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b823f5a1 | 1 | ///////////////////////////////////////////////////////////////////////////// |
1e6feb95 | 2 | // Name: src/msw/treectrl.cpp |
b823f5a1 JS |
3 | // Purpose: wxTreeCtrl |
4 | // Author: Julian Smart | |
08b7c251 | 5 | // Modified by: Vadim Zeitlin to be less MSW-specific on 10.10.98 |
b823f5a1 JS |
6 | // Created: 1997 |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
65571936 | 9 | // Licence: wxWindows licence |
b823f5a1 | 10 | ///////////////////////////////////////////////////////////////////////////// |
2bda0e17 | 11 | |
08b7c251 VZ |
12 | // ============================================================================ |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
1e6feb95 | 19 | |
2bda0e17 KB |
20 | // For compilers that support precompilation, includes "wx.h". |
21 | #include "wx/wxprec.h" | |
22 | ||
23 | #ifdef __BORLANDC__ | |
08b7c251 | 24 | #pragma hdrstop |
2bda0e17 KB |
25 | #endif |
26 | ||
1e6feb95 VZ |
27 | #if wxUSE_TREECTRL |
28 | ||
e4db172a WS |
29 | #include "wx/treectrl.h" |
30 | ||
ad9835c9 | 31 | #ifndef WX_PRECOMP |
57bd4c60 WS |
32 | #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly" |
33 | #include "wx/msw/missing.h" | |
ad9835c9 | 34 | #include "wx/dynarray.h" |
e4db172a | 35 | #include "wx/log.h" |
670f9935 | 36 | #include "wx/app.h" |
9eddec69 | 37 | #include "wx/settings.h" |
ad9835c9 WS |
38 | #endif |
39 | ||
c27dce18 | 40 | #include "wx/dynlib.h" |
2f17da8b WS |
41 | #include "wx/msw/private.h" |
42 | ||
1e6feb95 VZ |
43 | // Set this to 1 to be _absolutely_ sure that repainting will work for all |
44 | // comctl32.dll versions | |
f6bcfd97 BP |
45 | #define wxUSE_COMCTL32_SAFELY 0 |
46 | ||
08b7c251 | 47 | #include "wx/imaglist.h" |
23f681ec VZ |
48 | #include "wx/msw/dragimag.h" |
49 | ||
f888d614 VZ |
50 | // macros to hide the cast ugliness |
51 | // -------------------------------- | |
52 | ||
14ba002a VZ |
53 | // get HTREEITEM from wxTreeItemId |
54 | #define HITEM(item) ((HTREEITEM)(((item).m_pItem))) | |
3f7bc32b | 55 | |
5fe302ef BW |
56 | |
57 | // older SDKs are missing these | |
58 | #ifndef TVN_ITEMCHANGINGA | |
59 | ||
60 | #define TVN_ITEMCHANGINGA (TVN_FIRST-16) | |
61 | #define TVN_ITEMCHANGINGW (TVN_FIRST-17) | |
62 | ||
63 | typedef struct tagNMTVITEMCHANGE | |
64 | { | |
65 | NMHDR hdr; | |
66 | UINT uChanged; | |
67 | HTREEITEM hItem; | |
68 | UINT uStateNew; | |
69 | UINT uStateOld; | |
70 | LPARAM lParam; | |
71 | } NMTVITEMCHANGE; | |
72 | ||
73 | #endif | |
74 | ||
75 | ||
396f85ba BW |
76 | // this helper class is used on vista systems for preventing unwanted |
77 | // item state changes in the vista tree control. It is only effective in | |
5fe302ef BW |
78 | // multi-select mode on vista systems. |
79 | ||
396f85ba BW |
80 | // The vista tree control includes some new code that originally broke the |
81 | // multi-selection tree, causing seemingly spurious item selection state changes | |
82 | // during Shift or Ctrl-click item selection. (To witness the original broken | |
83 | // behavior, simply make IsLocked() below always return false). This problem was | |
84 | // solved by using the following class to 'unlock' an item's selection state. | |
5fe302ef BW |
85 | |
86 | class TreeItemUnlocker | |
87 | { | |
88 | public: | |
396f85ba BW |
89 | // unlock a single item |
90 | TreeItemUnlocker(HTREEITEM item) { ms_unlockedItem = item; } | |
91 | ||
92 | // unlock all items, don't use unless absolutely necessary | |
93 | TreeItemUnlocker() { ms_unlockedItem = (HTREEITEM)-1; } | |
94 | ||
95 | // lock everything back | |
96 | ~TreeItemUnlocker() { ms_unlockedItem = NULL; } | |
97 | ||
98 | ||
99 | // check if the item state is currently locked | |
100 | static bool IsLocked(HTREEITEM item) | |
101 | { return ms_unlockedItem != (HTREEITEM)-1 && item != ms_unlockedItem; } | |
102 | ||
103 | private: | |
104 | static HTREEITEM ms_unlockedItem; | |
5fe302ef BW |
105 | }; |
106 | ||
396f85ba | 107 | HTREEITEM TreeItemUnlocker::ms_unlockedItem = NULL; |
5fe302ef | 108 | |
7dac12ef VZ |
109 | // another helper class: set the variable to true during its lifetime and reset |
110 | // it to false when it is destroyed | |
111 | // | |
112 | // it is currently always used with wxTreeCtrl::m_changingSelection | |
113 | class TempSetter | |
114 | { | |
115 | public: | |
116 | TempSetter(bool& var) : m_var(var) | |
117 | { | |
118 | wxASSERT_MSG( !m_var, "variable shouldn't be already set" ); | |
119 | m_var = true; | |
120 | } | |
121 | ||
122 | ~TempSetter() | |
123 | { | |
124 | m_var = false; | |
125 | } | |
126 | ||
127 | private: | |
128 | bool& m_var; | |
129 | ||
130 | wxDECLARE_NO_COPY_CLASS(TempSetter); | |
131 | }; | |
132 | ||
3f7bc32b VZ |
133 | // ---------------------------------------------------------------------------- |
134 | // private functions | |
135 | // ---------------------------------------------------------------------------- | |
136 | ||
75afdc2d VZ |
137 | // wrappers for TreeView_GetItem/TreeView_SetItem |
138 | static bool IsItemSelected(HWND hwndTV, HTREEITEM hItem) | |
139 | { | |
75afdc2d VZ |
140 | TV_ITEM tvi; |
141 | tvi.mask = TVIF_STATE | TVIF_HANDLE; | |
142 | tvi.stateMask = TVIS_SELECTED; | |
143 | tvi.hItem = hItem; | |
144 | ||
5fe302ef BW |
145 | TreeItemUnlocker unlocker(hItem); |
146 | ||
75afdc2d VZ |
147 | if ( !TreeView_GetItem(hwndTV, &tvi) ) |
148 | { | |
149 | wxLogLastError(wxT("TreeView_GetItem")); | |
150 | } | |
151 | ||
152 | return (tvi.state & TVIS_SELECTED) != 0; | |
153 | } | |
154 | ||
155 | static bool SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = true) | |
156 | { | |
157 | TV_ITEM tvi; | |
158 | tvi.mask = TVIF_STATE | TVIF_HANDLE; | |
159 | tvi.stateMask = TVIS_SELECTED; | |
160 | tvi.state = select ? TVIS_SELECTED : 0; | |
161 | tvi.hItem = hItem; | |
162 | ||
5fe302ef BW |
163 | TreeItemUnlocker unlocker(hItem); |
164 | ||
75afdc2d VZ |
165 | if ( TreeView_SetItem(hwndTV, &tvi) == -1 ) |
166 | { | |
167 | wxLogLastError(wxT("TreeView_SetItem")); | |
168 | return false; | |
169 | } | |
170 | ||
171 | return true; | |
172 | } | |
173 | ||
174 | static inline void UnselectItem(HWND hwndTV, HTREEITEM htItem) | |
175 | { | |
176 | SelectItem(hwndTV, htItem, false); | |
177 | } | |
178 | ||
c7d9c476 VZ |
179 | static inline void ToggleItemSelection(HWND hwndTV, HTREEITEM htItem) |
180 | { | |
181 | SelectItem(hwndTV, htItem, !IsItemSelected(hwndTV, htItem)); | |
182 | } | |
183 | ||
75afdc2d | 184 | // helper function which selects all items in a range and, optionally, |
c7d9c476 VZ |
185 | // deselects all the other ones |
186 | // | |
187 | // returns true if the selection changed at all or false if nothing changed | |
188 | ||
189 | // flags for SelectRange() | |
190 | enum | |
191 | { | |
192 | SR_SIMULATE = 1, // don't do anything, just return true or false | |
193 | SR_UNSELECT_OTHERS = 2 // deselect the items not in range | |
194 | }; | |
195 | ||
196 | static bool SelectRange(HWND hwndTV, | |
75afdc2d VZ |
197 | HTREEITEM htFirst, |
198 | HTREEITEM htLast, | |
c7d9c476 | 199 | int flags) |
75afdc2d VZ |
200 | { |
201 | // find the first (or last) item and select it | |
c7d9c476 | 202 | bool changed = false; |
75afdc2d VZ |
203 | bool cont = true; |
204 | HTREEITEM htItem = (HTREEITEM)TreeView_GetRoot(hwndTV); | |
c7d9c476 | 205 | |
75afdc2d VZ |
206 | while ( htItem && cont ) |
207 | { | |
208 | if ( (htItem == htFirst) || (htItem == htLast) ) | |
209 | { | |
210 | if ( !IsItemSelected(hwndTV, htItem) ) | |
211 | { | |
c7d9c476 VZ |
212 | if ( !(flags & SR_SIMULATE) ) |
213 | { | |
214 | SelectItem(hwndTV, htItem); | |
215 | } | |
216 | ||
217 | changed = true; | |
75afdc2d VZ |
218 | } |
219 | ||
220 | cont = false; | |
221 | } | |
c7d9c476 | 222 | else // not first or last |
75afdc2d | 223 | { |
c7d9c476 | 224 | if ( flags & SR_UNSELECT_OTHERS ) |
75afdc2d | 225 | { |
c7d9c476 VZ |
226 | if ( IsItemSelected(hwndTV, htItem) ) |
227 | { | |
228 | if ( !(flags & SR_SIMULATE) ) | |
229 | UnselectItem(hwndTV, htItem); | |
230 | ||
231 | changed = true; | |
232 | } | |
75afdc2d VZ |
233 | } |
234 | } | |
235 | ||
236 | htItem = (HTREEITEM)TreeView_GetNextVisible(hwndTV, htItem); | |
237 | } | |
238 | ||
239 | // select the items in range | |
240 | cont = htFirst != htLast; | |
241 | while ( htItem && cont ) | |
242 | { | |
243 | if ( !IsItemSelected(hwndTV, htItem) ) | |
244 | { | |
c7d9c476 VZ |
245 | if ( !(flags & SR_SIMULATE) ) |
246 | { | |
247 | SelectItem(hwndTV, htItem); | |
248 | } | |
249 | ||
250 | changed = true; | |
75afdc2d VZ |
251 | } |
252 | ||
253 | cont = (htItem != htFirst) && (htItem != htLast); | |
254 | ||
255 | htItem = (HTREEITEM)TreeView_GetNextVisible(hwndTV, htItem); | |
256 | } | |
257 | ||
c7d9c476 VZ |
258 | // optionally deselect the rest |
259 | if ( flags & SR_UNSELECT_OTHERS ) | |
75afdc2d VZ |
260 | { |
261 | while ( htItem ) | |
262 | { | |
263 | if ( IsItemSelected(hwndTV, htItem) ) | |
264 | { | |
c7d9c476 VZ |
265 | if ( !(flags & SR_SIMULATE) ) |
266 | { | |
267 | UnselectItem(hwndTV, htItem); | |
268 | } | |
269 | ||
270 | changed = true; | |
75afdc2d VZ |
271 | } |
272 | ||
273 | htItem = (HTREEITEM)TreeView_GetNextVisible(hwndTV, htItem); | |
274 | } | |
275 | } | |
276 | ||
277 | // seems to be necessary - otherwise the just selected items don't always | |
278 | // appear as selected | |
c7d9c476 VZ |
279 | if ( !(flags & SR_SIMULATE) ) |
280 | { | |
281 | UpdateWindow(hwndTV); | |
282 | } | |
283 | ||
284 | return changed; | |
75afdc2d VZ |
285 | } |
286 | ||
287 | // helper function which tricks the standard control into changing the focused | |
288 | // item without changing anything else (if someone knows why Microsoft doesn't | |
289 | // allow to do it by just setting TVIS_FOCUSED flag, please tell me!) | |
cc87a04c VZ |
290 | // |
291 | // returns true if the focus was changed, false if the given item was already | |
292 | // the focused one | |
293 | static bool SetFocus(HWND hwndTV, HTREEITEM htItem) | |
75afdc2d VZ |
294 | { |
295 | // the current focus | |
296 | HTREEITEM htFocus = (HTREEITEM)TreeView_GetSelection(hwndTV); | |
297 | ||
cc87a04c VZ |
298 | if ( htItem == htFocus ) |
299 | return false; | |
300 | ||
75afdc2d VZ |
301 | if ( htItem ) |
302 | { | |
cc87a04c VZ |
303 | // remember the selection state of the item |
304 | bool wasSelected = IsItemSelected(hwndTV, htItem); | |
75afdc2d | 305 | |
cc87a04c VZ |
306 | if ( htFocus && IsItemSelected(hwndTV, htFocus) ) |
307 | { | |
308 | // prevent the tree from unselecting the old focus which it | |
309 | // would do by default (TreeView_SelectItem unselects the | |
310 | // focused item) | |
311 | TreeView_SelectItem(hwndTV, 0); | |
312 | SelectItem(hwndTV, htFocus); | |
313 | } | |
75afdc2d | 314 | |
cc87a04c | 315 | TreeView_SelectItem(hwndTV, htItem); |
75afdc2d | 316 | |
cc87a04c VZ |
317 | if ( !wasSelected ) |
318 | { | |
319 | // need to clear the selection which TreeView_SelectItem() gave | |
320 | // us | |
321 | UnselectItem(hwndTV, htItem); | |
75afdc2d | 322 | } |
cc87a04c | 323 | //else: was selected, still selected - ok |
75afdc2d | 324 | } |
cc87a04c | 325 | else // reset focus |
75afdc2d | 326 | { |
cc87a04c | 327 | bool wasFocusSelected = IsItemSelected(hwndTV, htFocus); |
75afdc2d | 328 | |
cc87a04c VZ |
329 | // just clear the focus |
330 | TreeView_SelectItem(hwndTV, 0); | |
75afdc2d | 331 | |
cc87a04c VZ |
332 | if ( wasFocusSelected ) |
333 | { | |
334 | // restore the selection state | |
335 | SelectItem(hwndTV, htFocus); | |
75afdc2d | 336 | } |
75afdc2d | 337 | } |
cc87a04c VZ |
338 | |
339 | return true; | |
75afdc2d VZ |
340 | } |
341 | ||
08b7c251 VZ |
342 | // ---------------------------------------------------------------------------- |
343 | // private classes | |
344 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 345 | |
08b7c251 | 346 | // a convenient wrapper around TV_ITEM struct which adds a ctor |
f3ef286f | 347 | #ifdef __VISUALC__ |
3f7bc32b | 348 | #pragma warning( disable : 4097 ) // inheriting from typedef |
f3ef286f JS |
349 | #endif |
350 | ||
08b7c251 VZ |
351 | struct wxTreeViewItem : public TV_ITEM |
352 | { | |
9dfbf520 VZ |
353 | wxTreeViewItem(const wxTreeItemId& item, // the item handle |
354 | UINT mask_, // fields which are valid | |
355 | UINT stateMask_ = 0) // for TVIF_STATE only | |
08b7c251 | 356 | { |
a9c1265f VZ |
357 | wxZeroMemory(*this); |
358 | ||
9dfbf520 VZ |
359 | // hItem member is always valid |
360 | mask = mask_ | TVIF_HANDLE; | |
08b7c251 | 361 | stateMask = stateMask_; |
3f7bc32b | 362 | hItem = HITEM(item); |
08b7c251 VZ |
363 | } |
364 | }; | |
f3ef286f | 365 | |
4523ebb3 VZ |
366 | // ---------------------------------------------------------------------------- |
367 | // This class is our userdata/lParam for the TV_ITEMs stored in the treeview. | |
368 | // | |
369 | // We need this for a couple of reasons: | |
370 | // | |
371 | // 1) This class is needed for support of different images: the Win32 common | |
372 | // control natively supports only 2 images (the normal one and another for the | |
373 | // selected state). We wish to provide support for 2 more of them for folder | |
374 | // items (i.e. those which have children): for expanded state and for expanded | |
375 | // selected state. For this we use this structure to store the additional items | |
376 | // images. | |
377 | // | |
378 | // 2) This class is also needed to hold the HITEM so that we can sort | |
379 | // it correctly in the MSW sort callback. | |
380 | // | |
381 | // In addition it makes other workarounds such as this easier and helps | |
382 | // simplify the code. | |
383 | // ---------------------------------------------------------------------------- | |
384 | ||
385 | class wxTreeItemParam | |
386 | { | |
387 | public: | |
388 | wxTreeItemParam() | |
4523ebb3 | 389 | { |
20f4b566 VZ |
390 | m_data = NULL; |
391 | ||
4523ebb3 VZ |
392 | for ( size_t n = 0; n < WXSIZEOF(m_images); n++ ) |
393 | { | |
394 | m_images[n] = -1; | |
395 | } | |
396 | } | |
397 | ||
398 | // dtor deletes the associated data as well | |
399 | virtual ~wxTreeItemParam() { delete m_data; } | |
400 | ||
401 | // accessors | |
402 | // get the real data associated with the item | |
403 | wxTreeItemData *GetData() const { return m_data; } | |
404 | // change it | |
405 | void SetData(wxTreeItemData *data) { m_data = data; } | |
406 | ||
407 | // do we have such image? | |
408 | bool HasImage(wxTreeItemIcon which) const { return m_images[which] != -1; } | |
1b182562 VZ |
409 | // get image, falling back to the other images if this one is not |
410 | // specified | |
411 | int GetImage(wxTreeItemIcon which) const | |
412 | { | |
413 | int image = m_images[which]; | |
414 | if ( image == -1 ) | |
415 | { | |
416 | switch ( which ) | |
417 | { | |
418 | case wxTreeItemIcon_SelectedExpanded: | |
419 | image = GetImage(wxTreeItemIcon_Expanded); | |
420 | if ( image != -1 ) | |
421 | break; | |
422 | //else: fall through | |
423 | ||
424 | case wxTreeItemIcon_Selected: | |
425 | case wxTreeItemIcon_Expanded: | |
426 | image = GetImage(wxTreeItemIcon_Normal); | |
427 | break; | |
428 | ||
429 | case wxTreeItemIcon_Normal: | |
430 | // no fallback | |
431 | break; | |
432 | ||
433 | default: | |
9a83f860 | 434 | wxFAIL_MSG( wxT("unsupported wxTreeItemIcon value") ); |
1b182562 VZ |
435 | } |
436 | } | |
437 | ||
438 | return image; | |
439 | } | |
440 | // change the given image | |
4523ebb3 VZ |
441 | void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; } |
442 | ||
443 | // get item | |
444 | const wxTreeItemId& GetItem() const { return m_item; } | |
445 | // set item | |
446 | void SetItem(const wxTreeItemId& item) { m_item = item; } | |
447 | ||
448 | protected: | |
449 | // all the images associated with the item | |
450 | int m_images[wxTreeItemIcon_Max]; | |
451 | ||
452 | // item for sort callbacks | |
453 | wxTreeItemId m_item; | |
454 | ||
455 | // the real client data | |
456 | wxTreeItemData *m_data; | |
457 | ||
c0c133e1 | 458 | wxDECLARE_NO_COPY_CLASS(wxTreeItemParam); |
4523ebb3 VZ |
459 | }; |
460 | ||
a9c1265f VZ |
461 | // wxVirutalNode is used in place of a single root when 'hidden' root is |
462 | // specified. | |
efa38350 | 463 | class wxVirtualNode : public wxTreeViewItem |
a9c1265f VZ |
464 | { |
465 | public: | |
4523ebb3 | 466 | wxVirtualNode(wxTreeItemParam *param) |
efa38350 | 467 | : wxTreeViewItem(TVI_ROOT, 0) |
a9c1265f | 468 | { |
4523ebb3 | 469 | m_param = param; |
a9c1265f VZ |
470 | } |
471 | ||
472 | ~wxVirtualNode() | |
473 | { | |
4523ebb3 | 474 | delete m_param; |
a9c1265f VZ |
475 | } |
476 | ||
4523ebb3 VZ |
477 | wxTreeItemParam *GetParam() const { return m_param; } |
478 | void SetParam(wxTreeItemParam *param) { delete m_param; m_param = param; } | |
a9c1265f VZ |
479 | |
480 | private: | |
4523ebb3 | 481 | wxTreeItemParam *m_param; |
22f3361e | 482 | |
c0c133e1 | 483 | wxDECLARE_NO_COPY_CLASS(wxVirtualNode); |
a9c1265f VZ |
484 | }; |
485 | ||
f3ef286f | 486 | #ifdef __VISUALC__ |
197dd9af | 487 | #pragma warning( default : 4097 ) |
f3ef286f | 488 | #endif |
2bda0e17 | 489 | |
a9c1265f VZ |
490 | // a macro to get the virtual root, returns NULL if none |
491 | #define GET_VIRTUAL_ROOT() ((wxVirtualNode *)m_pVirtualRoot) | |
492 | ||
04cd30de | 493 | // returns true if the item is the virtual root |
a9c1265f VZ |
494 | #define IS_VIRTUAL_ROOT(item) (HITEM(item) == TVI_ROOT) |
495 | ||
9dfbf520 | 496 | // a class which encapsulates the tree traversal logic: it vists all (unless |
04cd30de | 497 | // OnVisit() returns false) items under the given one |
9dfbf520 VZ |
498 | class wxTreeTraversal |
499 | { | |
500 | public: | |
501 | wxTreeTraversal(const wxTreeCtrl *tree) | |
502 | { | |
503 | m_tree = tree; | |
504 | } | |
505 | ||
cc11ded1 VZ |
506 | // give it a virtual dtor: not really needed as the class is never used |
507 | // polymorphically and not even allocated on heap at all, but this is safer | |
508 | // (in case it ever is) and silences the compiler warnings for now | |
509 | virtual ~wxTreeTraversal() { } | |
510 | ||
9dfbf520 | 511 | // do traverse the tree: visit all items (recursively by default) under the |
04cd30de RL |
512 | // given one; return true if all items were traversed or false if the |
513 | // traversal was aborted because OnVisit returned false | |
514 | bool DoTraverse(const wxTreeItemId& root, bool recursively = true); | |
9dfbf520 VZ |
515 | |
516 | // override this function to do whatever is needed for each item, return | |
04cd30de | 517 | // false to stop traversing |
9dfbf520 VZ |
518 | virtual bool OnVisit(const wxTreeItemId& item) = 0; |
519 | ||
520 | protected: | |
521 | const wxTreeCtrl *GetTree() const { return m_tree; } | |
522 | ||
523 | private: | |
524 | bool Traverse(const wxTreeItemId& root, bool recursively); | |
525 | ||
526 | const wxTreeCtrl *m_tree; | |
22f3361e | 527 | |
c0c133e1 | 528 | wxDECLARE_NO_COPY_CLASS(wxTreeTraversal); |
9dfbf520 VZ |
529 | }; |
530 | ||
74b31181 VZ |
531 | // internal class for getting the selected items |
532 | class TraverseSelections : public wxTreeTraversal | |
533 | { | |
534 | public: | |
535 | TraverseSelections(const wxTreeCtrl *tree, | |
536 | wxArrayTreeItemIds& selections) | |
537 | : wxTreeTraversal(tree), m_selections(selections) | |
538 | { | |
539 | m_selections.Empty(); | |
540 | ||
b9e9b40c JS |
541 | if (tree->GetCount() > 0) |
542 | DoTraverse(tree->GetRootItem()); | |
74b31181 VZ |
543 | } |
544 | ||
545 | virtual bool OnVisit(const wxTreeItemId& item) | |
546 | { | |
0228081f VZ |
547 | const wxTreeCtrl * const tree = GetTree(); |
548 | ||
a9c1265f | 549 | // can't visit a virtual node. |
0228081f | 550 | if ( (tree->GetRootItem() == item) && tree->HasFlag(wxTR_HIDE_ROOT) ) |
a9c1265f | 551 | { |
04cd30de | 552 | return true; |
a9c1265f VZ |
553 | } |
554 | ||
0228081f | 555 | if ( ::IsItemSelected(GetHwndOf(tree), HITEM(item)) ) |
74b31181 VZ |
556 | { |
557 | m_selections.Add(item); | |
558 | } | |
559 | ||
04cd30de | 560 | return true; |
74b31181 VZ |
561 | } |
562 | ||
e47c4d48 VZ |
563 | size_t GetCount() const { return m_selections.GetCount(); } |
564 | ||
74b31181 VZ |
565 | private: |
566 | wxArrayTreeItemIds& m_selections; | |
fc7a2a60 | 567 | |
c0c133e1 | 568 | wxDECLARE_NO_COPY_CLASS(TraverseSelections); |
74b31181 VZ |
569 | }; |
570 | ||
571 | // internal class for counting tree items | |
572 | class TraverseCounter : public wxTreeTraversal | |
573 | { | |
574 | public: | |
575 | TraverseCounter(const wxTreeCtrl *tree, | |
576 | const wxTreeItemId& root, | |
577 | bool recursively) | |
578 | : wxTreeTraversal(tree) | |
579 | { | |
580 | m_count = 0; | |
581 | ||
582 | DoTraverse(root, recursively); | |
583 | } | |
584 | ||
33ac7e6f | 585 | virtual bool OnVisit(const wxTreeItemId& WXUNUSED(item)) |
74b31181 VZ |
586 | { |
587 | m_count++; | |
588 | ||
04cd30de | 589 | return true; |
74b31181 VZ |
590 | } |
591 | ||
592 | size_t GetCount() const { return m_count; } | |
593 | ||
594 | private: | |
595 | size_t m_count; | |
fc7a2a60 | 596 | |
c0c133e1 | 597 | wxDECLARE_NO_COPY_CLASS(TraverseCounter); |
74b31181 VZ |
598 | }; |
599 | ||
23f681ec | 600 | // ---------------------------------------------------------------------------- |
3f7bc32b | 601 | // wxWin macros |
08b7c251 VZ |
602 | // ---------------------------------------------------------------------------- |
603 | ||
786a2425 | 604 | #if wxUSE_EXTENDED_RTTI |
bc9fb572 JS |
605 | WX_DEFINE_FLAGS( wxTreeCtrlStyle ) |
606 | ||
3ff066a4 | 607 | wxBEGIN_FLAGS( wxTreeCtrlStyle ) |
bc9fb572 JS |
608 | // new style border flags, we put them first to |
609 | // use them for streaming out | |
3ff066a4 SC |
610 | wxFLAGS_MEMBER(wxBORDER_SIMPLE) |
611 | wxFLAGS_MEMBER(wxBORDER_SUNKEN) | |
612 | wxFLAGS_MEMBER(wxBORDER_DOUBLE) | |
613 | wxFLAGS_MEMBER(wxBORDER_RAISED) | |
614 | wxFLAGS_MEMBER(wxBORDER_STATIC) | |
615 | wxFLAGS_MEMBER(wxBORDER_NONE) | |
5e7718a2 | 616 | |
bc9fb572 | 617 | // old style border flags |
3ff066a4 SC |
618 | wxFLAGS_MEMBER(wxSIMPLE_BORDER) |
619 | wxFLAGS_MEMBER(wxSUNKEN_BORDER) | |
620 | wxFLAGS_MEMBER(wxDOUBLE_BORDER) | |
621 | wxFLAGS_MEMBER(wxRAISED_BORDER) | |
622 | wxFLAGS_MEMBER(wxSTATIC_BORDER) | |
cb0afb26 | 623 | wxFLAGS_MEMBER(wxBORDER) |
bc9fb572 JS |
624 | |
625 | // standard window styles | |
3ff066a4 SC |
626 | wxFLAGS_MEMBER(wxTAB_TRAVERSAL) |
627 | wxFLAGS_MEMBER(wxCLIP_CHILDREN) | |
628 | wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) | |
629 | wxFLAGS_MEMBER(wxWANTS_CHARS) | |
cb0afb26 | 630 | wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) |
3ff066a4 SC |
631 | wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) |
632 | wxFLAGS_MEMBER(wxVSCROLL) | |
633 | wxFLAGS_MEMBER(wxHSCROLL) | |
634 | ||
635 | wxFLAGS_MEMBER(wxTR_EDIT_LABELS) | |
636 | wxFLAGS_MEMBER(wxTR_NO_BUTTONS) | |
637 | wxFLAGS_MEMBER(wxTR_HAS_BUTTONS) | |
638 | wxFLAGS_MEMBER(wxTR_TWIST_BUTTONS) | |
639 | wxFLAGS_MEMBER(wxTR_NO_LINES) | |
640 | wxFLAGS_MEMBER(wxTR_FULL_ROW_HIGHLIGHT) | |
641 | wxFLAGS_MEMBER(wxTR_LINES_AT_ROOT) | |
642 | wxFLAGS_MEMBER(wxTR_HIDE_ROOT) | |
643 | wxFLAGS_MEMBER(wxTR_ROW_LINES) | |
644 | wxFLAGS_MEMBER(wxTR_HAS_VARIABLE_ROW_HEIGHT) | |
645 | wxFLAGS_MEMBER(wxTR_SINGLE) | |
646 | wxFLAGS_MEMBER(wxTR_MULTIPLE) | |
70cab5b7 | 647 | #if WXWIN_COMPATIBILITY_2_8 |
3ff066a4 | 648 | wxFLAGS_MEMBER(wxTR_EXTENDED) |
70cab5b7 | 649 | #endif |
3ff066a4 SC |
650 | wxFLAGS_MEMBER(wxTR_DEFAULT_STYLE) |
651 | ||
652 | wxEND_FLAGS( wxTreeCtrlStyle ) | |
bc9fb572 | 653 | |
786a2425 SC |
654 | IMPLEMENT_DYNAMIC_CLASS_XTI(wxTreeCtrl, wxControl,"wx/treectrl.h") |
655 | ||
3ff066a4 | 656 | wxBEGIN_PROPERTIES_TABLE(wxTreeCtrl) |
5e7718a2 | 657 | wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent ) |
3ff066a4 | 658 | wxEVENT_RANGE_PROPERTY( TreeEvent , wxEVT_COMMAND_TREE_BEGIN_DRAG , wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK , wxTreeEvent ) |
af498247 | 659 | wxPROPERTY_FLAGS( WindowStyle , wxTreeCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style |
3ff066a4 | 660 | wxEND_PROPERTIES_TABLE() |
786a2425 | 661 | |
3ff066a4 SC |
662 | wxBEGIN_HANDLERS_TABLE(wxTreeCtrl) |
663 | wxEND_HANDLERS_TABLE() | |
786a2425 | 664 | |
5e7718a2 | 665 | wxCONSTRUCTOR_5( wxTreeCtrl , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle ) |
786a2425 | 666 | #else |
23f681ec | 667 | IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl) |
786a2425 | 668 | #endif |
2bda0e17 | 669 | |
08b7c251 | 670 | // ---------------------------------------------------------------------------- |
deb1de30 | 671 | // constants |
08b7c251 VZ |
672 | // ---------------------------------------------------------------------------- |
673 | ||
deb1de30 VZ |
674 | // indices in gs_expandEvents table below |
675 | enum | |
676 | { | |
677 | IDX_COLLAPSE, | |
678 | IDX_EXPAND, | |
679 | IDX_WHAT_MAX | |
680 | }; | |
681 | ||
682 | enum | |
683 | { | |
684 | IDX_DONE, | |
685 | IDX_DOING, | |
686 | IDX_HOW_MAX | |
687 | }; | |
688 | ||
689 | // handy table for sending events - it has to be initialized during run-time | |
690 | // now so can't be const any more | |
691 | static /* const */ wxEventType gs_expandEvents[IDX_WHAT_MAX][IDX_HOW_MAX]; | |
692 | ||
693 | /* | |
694 | but logically it's a const table with the following entries: | |
695 | = | |
2bda0e17 | 696 | { |
08b7c251 VZ |
697 | { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxEVT_COMMAND_TREE_ITEM_COLLAPSING }, |
698 | { wxEVT_COMMAND_TREE_ITEM_EXPANDED, wxEVT_COMMAND_TREE_ITEM_EXPANDING } | |
699 | }; | |
deb1de30 | 700 | */ |
08b7c251 VZ |
701 | |
702 | // ============================================================================ | |
703 | // implementation | |
704 | // ============================================================================ | |
705 | ||
9dfbf520 VZ |
706 | // ---------------------------------------------------------------------------- |
707 | // tree traversal | |
708 | // ---------------------------------------------------------------------------- | |
709 | ||
710 | bool wxTreeTraversal::DoTraverse(const wxTreeItemId& root, bool recursively) | |
711 | { | |
712 | if ( !OnVisit(root) ) | |
04cd30de | 713 | return false; |
9dfbf520 VZ |
714 | |
715 | return Traverse(root, recursively); | |
716 | } | |
717 | ||
718 | bool wxTreeTraversal::Traverse(const wxTreeItemId& root, bool recursively) | |
719 | { | |
ee4b2721 | 720 | wxTreeItemIdValue cookie; |
9dfbf520 VZ |
721 | wxTreeItemId child = m_tree->GetFirstChild(root, cookie); |
722 | while ( child.IsOk() ) | |
723 | { | |
724 | // depth first traversal | |
04cd30de RL |
725 | if ( recursively && !Traverse(child, true) ) |
726 | return false; | |
9dfbf520 VZ |
727 | |
728 | if ( !OnVisit(child) ) | |
04cd30de | 729 | return false; |
9dfbf520 VZ |
730 | |
731 | child = m_tree->GetNextChild(root, cookie); | |
732 | } | |
733 | ||
04cd30de | 734 | return true; |
9dfbf520 VZ |
735 | } |
736 | ||
08b7c251 VZ |
737 | // ---------------------------------------------------------------------------- |
738 | // construction and destruction | |
739 | // ---------------------------------------------------------------------------- | |
740 | ||
741 | void wxTreeCtrl::Init() | |
742 | { | |
08b7c251 | 743 | m_textCtrl = NULL; |
04cd30de | 744 | m_hasAnyAttr = false; |
68d9be05 | 745 | #if wxUSE_DRAGIMAGE |
23f681ec | 746 | m_dragImage = NULL; |
68d9be05 | 747 | #endif |
a9c1265f | 748 | m_pVirtualRoot = NULL; |
c7d9c476 VZ |
749 | m_dragStarted = false; |
750 | m_focusLost = true; | |
7dac12ef | 751 | m_changingSelection = false; |
c7d9c476 | 752 | m_triggerStateImageClick = false; |
d301c440 | 753 | m_mouseUpDeselect = false; |
9ab5ef13 | 754 | |
deb1de30 VZ |
755 | // initialize the global array of events now as it can't be done statically |
756 | // with the wxEVT_XXX values being allocated during run-time only | |
757 | gs_expandEvents[IDX_COLLAPSE][IDX_DONE] = wxEVT_COMMAND_TREE_ITEM_COLLAPSED; | |
758 | gs_expandEvents[IDX_COLLAPSE][IDX_DOING] = wxEVT_COMMAND_TREE_ITEM_COLLAPSING; | |
759 | gs_expandEvents[IDX_EXPAND][IDX_DONE] = wxEVT_COMMAND_TREE_ITEM_EXPANDED; | |
760 | gs_expandEvents[IDX_EXPAND][IDX_DOING] = wxEVT_COMMAND_TREE_ITEM_EXPANDING; | |
2bda0e17 KB |
761 | } |
762 | ||
9dfbf520 VZ |
763 | bool wxTreeCtrl::Create(wxWindow *parent, |
764 | wxWindowID id, | |
765 | const wxPoint& pos, | |
766 | const wxSize& size, | |
767 | long style, | |
768 | const wxValidator& validator, | |
08b7c251 | 769 | const wxString& name) |
2bda0e17 | 770 | { |
08b7c251 | 771 | Init(); |
2bda0e17 | 772 | |
7699361c JS |
773 | if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT ) |
774 | style |= wxBORDER_SUNKEN; | |
775 | ||
9dfbf520 | 776 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) |
04cd30de | 777 | return false; |
2bda0e17 | 778 | |
823b140b | 779 | WXDWORD exStyle = 0; |
7699361c JS |
780 | DWORD wstyle = MSWGetStyle(m_windowStyle, & exStyle); |
781 | wstyle |= WS_TABSTOP | TVS_SHOWSELALWAYS; | |
2bda0e17 | 782 | |
c7d9c476 | 783 | if ( !(m_windowStyle & wxTR_NO_LINES) ) |
63da7df7 | 784 | wstyle |= TVS_HASLINES; |
08b7c251 VZ |
785 | if ( m_windowStyle & wxTR_HAS_BUTTONS ) |
786 | wstyle |= TVS_HASBUTTONS; | |
2bda0e17 | 787 | |
08b7c251 VZ |
788 | if ( m_windowStyle & wxTR_EDIT_LABELS ) |
789 | wstyle |= TVS_EDITLABELS; | |
2bda0e17 | 790 | |
08b7c251 VZ |
791 | if ( m_windowStyle & wxTR_LINES_AT_ROOT ) |
792 | wstyle |= TVS_LINESATROOT; | |
deb1de30 | 793 | |
c6f4913a | 794 | if ( m_windowStyle & wxTR_FULL_ROW_HIGHLIGHT ) |
deb1de30 | 795 | { |
2a1f999f | 796 | if ( wxApp::GetComCtl32Version() >= 471 ) |
c6f4913a VS |
797 | wstyle |= TVS_FULLROWSELECT; |
798 | } | |
799 | ||
f3f71703 | 800 | #if !defined(__WXWINCE__) && defined(TVS_INFOTIP) |
156194e1 JS |
801 | // Need so that TVN_GETINFOTIP messages will be sent |
802 | wstyle |= TVS_INFOTIP; | |
676d6550 | 803 | #endif |
5e7718a2 | 804 | |
08b7c251 | 805 | // Create the tree control. |
8779cca3 | 806 | if ( !MSWCreateControl(WC_TREEVIEW, wstyle, pos, size) ) |
04cd30de | 807 | return false; |
9dfbf520 | 808 | |
f6bcfd97 | 809 | #if wxUSE_COMCTL32_SAFELY |
a756f210 | 810 | wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); |
f6bcfd97 BP |
811 | wxWindow::SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); |
812 | #elif 1 | |
a756f210 | 813 | SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); |
f6bcfd97 | 814 | SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); |
fbdcff4a JS |
815 | #else |
816 | // This works around a bug in the Windows tree control whereby for some versions | |
817 | // of comctrl32, setting any colour actually draws the background in black. | |
818 | // This will initialise the background to the system colour. | |
f6bcfd97 BP |
819 | // THIS FIX NOW REVERTED since it caused problems on _other_ systems. |
820 | // Assume the user has an updated comctl32.dll. | |
fbdcff4a | 821 | ::SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0,-1); |
a756f210 | 822 | wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); |
f6bcfd97 | 823 | SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); |
fbdcff4a JS |
824 | #endif |
825 | ||
9a63feff VZ |
826 | wxSetCCUnicodeFormat(GetHwnd()); |
827 | ||
04cd30de | 828 | return true; |
2bda0e17 KB |
829 | } |
830 | ||
08b7c251 | 831 | wxTreeCtrl::~wxTreeCtrl() |
2bda0e17 | 832 | { |
696e1ea0 VZ |
833 | // delete any attributes |
834 | if ( m_hasAnyAttr ) | |
835 | { | |
ee4b2721 | 836 | WX_CLEAR_HASH_MAP(wxMapTreeAttr, m_attrs); |
696e1ea0 VZ |
837 | |
838 | // prevent TVN_DELETEITEM handler from deleting the attributes again! | |
04cd30de | 839 | m_hasAnyAttr = false; |
696e1ea0 VZ |
840 | } |
841 | ||
08b7c251 | 842 | DeleteTextCtrl(); |
2bda0e17 | 843 | |
08b7c251 | 844 | // delete user data to prevent memory leaks |
a9c1265f | 845 | // also deletes hidden root node storage. |
08b7c251 | 846 | DeleteAllItems(); |
2bda0e17 KB |
847 | } |
848 | ||
08b7c251 VZ |
849 | // ---------------------------------------------------------------------------- |
850 | // accessors | |
851 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 852 | |
39c7a53c VZ |
853 | /* static */ wxVisualAttributes |
854 | wxTreeCtrl::GetClassDefaultAttributes(wxWindowVariant variant) | |
855 | { | |
856 | wxVisualAttributes attrs = GetCompositeControlsDefaultAttributes(variant); | |
857 | ||
858 | // common controls have their own default font | |
859 | attrs.font = wxGetCCDefaultFont(); | |
860 | ||
861 | return attrs; | |
862 | } | |
863 | ||
864 | ||
08b7c251 | 865 | // simple wrappers which add error checking in debug mode |
2bda0e17 | 866 | |
4523ebb3 | 867 | bool wxTreeCtrl::DoGetItem(wxTreeViewItem *tvItem) const |
2bda0e17 | 868 | { |
04cd30de | 869 | wxCHECK_MSG( tvItem->hItem != TVI_ROOT, false, |
9a83f860 | 870 | wxT("can't retrieve virtual root item") ); |
a9c1265f | 871 | |
d220ae32 | 872 | if ( !TreeView_GetItem(GetHwnd(), tvItem) ) |
2bda0e17 | 873 | { |
f6bcfd97 | 874 | wxLogLastError(wxT("TreeView_GetItem")); |
08b7c251 | 875 | |
04cd30de | 876 | return false; |
08b7c251 VZ |
877 | } |
878 | ||
04cd30de | 879 | return true; |
2bda0e17 KB |
880 | } |
881 | ||
4523ebb3 | 882 | void wxTreeCtrl::DoSetItem(wxTreeViewItem *tvItem) |
2bda0e17 | 883 | { |
5fe302ef BW |
884 | TreeItemUnlocker unlocker(tvItem->hItem); |
885 | ||
d220ae32 | 886 | if ( TreeView_SetItem(GetHwnd(), tvItem) == -1 ) |
2bda0e17 | 887 | { |
f6bcfd97 | 888 | wxLogLastError(wxT("TreeView_SetItem")); |
08b7c251 | 889 | } |
2bda0e17 KB |
890 | } |
891 | ||
027d45e8 | 892 | unsigned int wxTreeCtrl::GetCount() const |
2bda0e17 | 893 | { |
027d45e8 | 894 | return (unsigned int)TreeView_GetCount(GetHwnd()); |
2bda0e17 KB |
895 | } |
896 | ||
08b7c251 | 897 | unsigned int wxTreeCtrl::GetIndent() const |
2bda0e17 | 898 | { |
d220ae32 | 899 | return TreeView_GetIndent(GetHwnd()); |
2bda0e17 KB |
900 | } |
901 | ||
08b7c251 | 902 | void wxTreeCtrl::SetIndent(unsigned int indent) |
2bda0e17 | 903 | { |
d220ae32 | 904 | TreeView_SetIndent(GetHwnd(), indent); |
2bda0e17 KB |
905 | } |
906 | ||
08b7c251 | 907 | void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which) |
2bda0e17 | 908 | { |
08b7c251 | 909 | // no error return |
8ecd5de2 WS |
910 | (void) TreeView_SetImageList(GetHwnd(), |
911 | imageList ? imageList->GetHIMAGELIST() : 0, | |
912 | which); | |
2bda0e17 KB |
913 | } |
914 | ||
08b7c251 | 915 | void wxTreeCtrl::SetImageList(wxImageList *imageList) |
2bda0e17 | 916 | { |
a9c1265f VZ |
917 | if (m_ownsImageListNormal) |
918 | delete m_imageListNormal; | |
919 | ||
08b7c251 | 920 | SetAnyImageList(m_imageListNormal = imageList, TVSIL_NORMAL); |
04cd30de | 921 | m_ownsImageListNormal = false; |
2bda0e17 KB |
922 | } |
923 | ||
08b7c251 | 924 | void wxTreeCtrl::SetStateImageList(wxImageList *imageList) |
2bda0e17 | 925 | { |
0377efa2 | 926 | if (m_ownsImageListState) delete m_imageListState; |
08b7c251 | 927 | SetAnyImageList(m_imageListState = imageList, TVSIL_STATE); |
04cd30de | 928 | m_ownsImageListState = false; |
0377efa2 VS |
929 | } |
930 | ||
33961d59 RR |
931 | size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, |
932 | bool recursively) const | |
933 | { | |
05b2a432 | 934 | wxCHECK_MSG( item.IsOk(), 0u, wxT("invalid tree item") ); |
23fd5130 | 935 | |
05b2a432 | 936 | TraverseCounter counter(this, item, recursively); |
73974df1 | 937 | return counter.GetCount() - 1; |
23fd5130 VZ |
938 | } |
939 | ||
bb448552 VZ |
940 | // ---------------------------------------------------------------------------- |
941 | // control colours | |
942 | // ---------------------------------------------------------------------------- | |
943 | ||
944 | bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour) | |
945 | { | |
f6bcfd97 | 946 | #if !wxUSE_COMCTL32_SAFELY |
bb448552 | 947 | if ( !wxWindowBase::SetBackgroundColour(colour) ) |
04cd30de | 948 | return false; |
bb448552 | 949 | |
bfbb0b4c | 950 | ::SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel()); |
f6bcfd97 | 951 | #endif |
bb448552 | 952 | |
04cd30de | 953 | return true; |
bb448552 VZ |
954 | } |
955 | ||
956 | bool wxTreeCtrl::SetForegroundColour(const wxColour &colour) | |
957 | { | |
f6bcfd97 | 958 | #if !wxUSE_COMCTL32_SAFELY |
bb448552 | 959 | if ( !wxWindowBase::SetForegroundColour(colour) ) |
04cd30de | 960 | return false; |
bb448552 | 961 | |
bfbb0b4c | 962 | ::SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel()); |
f6bcfd97 | 963 | #endif |
bb448552 | 964 | |
04cd30de | 965 | return true; |
bb448552 VZ |
966 | } |
967 | ||
08b7c251 VZ |
968 | // ---------------------------------------------------------------------------- |
969 | // Item access | |
970 | // ---------------------------------------------------------------------------- | |
971 | ||
0228081f VZ |
972 | bool wxTreeCtrl::IsHiddenRoot(const wxTreeItemId& item) const |
973 | { | |
974 | return HITEM(item) == TVI_ROOT && HasFlag(wxTR_HIDE_ROOT); | |
975 | } | |
976 | ||
08b7c251 | 977 | wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const |
2bda0e17 | 978 | { |
f31a4098 | 979 | wxCHECK_MSG( item.IsOk(), wxEmptyString, wxT("invalid tree item") ); |
05b2a432 | 980 | |
837e5743 | 981 | wxChar buf[512]; // the size is arbitrary... |
02ce7b72 | 982 | |
08b7c251 VZ |
983 | wxTreeViewItem tvItem(item, TVIF_TEXT); |
984 | tvItem.pszText = buf; | |
985 | tvItem.cchTextMax = WXSIZEOF(buf); | |
986 | if ( !DoGetItem(&tvItem) ) | |
987 | { | |
988 | // don't return some garbage which was on stack, but an empty string | |
223d09f6 | 989 | buf[0] = wxT('\0'); |
08b7c251 | 990 | } |
2bda0e17 | 991 | |
08b7c251 VZ |
992 | return wxString(buf); |
993 | } | |
2bda0e17 | 994 | |
08b7c251 VZ |
995 | void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) |
996 | { | |
05b2a432 RD |
997 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
998 | ||
a9c1265f VZ |
999 | if ( IS_VIRTUAL_ROOT(item) ) |
1000 | return; | |
1001 | ||
08b7c251 | 1002 | wxTreeViewItem tvItem(item, TVIF_TEXT); |
c9f78968 | 1003 | tvItem.pszText = (wxChar *)text.wx_str(); // conversion is ok |
08b7c251 | 1004 | DoSetItem(&tvItem); |
44fbc477 VZ |
1005 | |
1006 | // when setting the text of the item being edited, the text control should | |
1007 | // be updated to reflect the new text as well, otherwise calling | |
1008 | // SetItemText() in the OnBeginLabelEdit() handler doesn't have any effect | |
1009 | // | |
1010 | // don't use GetEditControl() here because m_textCtrl is not set yet | |
1011 | HWND hwndEdit = TreeView_GetEditControl(GetHwnd()); | |
1012 | if ( hwndEdit ) | |
1013 | { | |
1a4088e1 | 1014 | if ( item == m_idEdited ) |
44fbc477 | 1015 | { |
e0a050e3 | 1016 | ::SetWindowText(hwndEdit, text.wx_str()); |
44fbc477 VZ |
1017 | } |
1018 | } | |
08b7c251 | 1019 | } |
2bda0e17 | 1020 | |
4523ebb3 VZ |
1021 | int wxTreeCtrl::GetItemImage(const wxTreeItemId& item, |
1022 | wxTreeItemIcon which) const | |
74b31181 | 1023 | { |
4523ebb3 VZ |
1024 | wxCHECK_MSG( item.IsOk(), -1, wxT("invalid tree item") ); |
1025 | ||
0228081f | 1026 | if ( IsHiddenRoot(item) ) |
74b31181 | 1027 | { |
4523ebb3 | 1028 | // no images for hidden root item |
74b31181 VZ |
1029 | return -1; |
1030 | } | |
1031 | ||
4523ebb3 VZ |
1032 | wxTreeItemParam *param = GetItemParam(item); |
1033 | ||
1b182562 | 1034 | return param && param->HasImage(which) ? param->GetImage(which) : -1; |
74b31181 VZ |
1035 | } |
1036 | ||
4523ebb3 VZ |
1037 | void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image, |
1038 | wxTreeItemIcon which) | |
74b31181 | 1039 | { |
4523ebb3 VZ |
1040 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
1041 | wxCHECK_RET( which >= 0 && | |
1042 | which < wxTreeItemIcon_Max, | |
1043 | wxT("invalid image index")); | |
1044 | ||
1045 | ||
0228081f | 1046 | if ( IsHiddenRoot(item) ) |
74b31181 | 1047 | { |
4523ebb3 | 1048 | // no images for hidden root item |
74b31181 VZ |
1049 | return; |
1050 | } | |
1051 | ||
4523ebb3 VZ |
1052 | wxTreeItemParam *data = GetItemParam(item); |
1053 | if ( !data ) | |
1054 | return; | |
74b31181 VZ |
1055 | |
1056 | data->SetImage(image, which); | |
f5bed7a8 VS |
1057 | |
1058 | RefreshItem(item); | |
74b31181 VZ |
1059 | } |
1060 | ||
4523ebb3 | 1061 | wxTreeItemParam *wxTreeCtrl::GetItemParam(const wxTreeItemId& item) const |
2bda0e17 | 1062 | { |
05b2a432 RD |
1063 | wxCHECK_MSG( item.IsOk(), NULL, wxT("invalid tree item") ); |
1064 | ||
08b7c251 | 1065 | wxTreeViewItem tvItem(item, TVIF_PARAM); |
a9c1265f | 1066 | |
ae322a48 VZ |
1067 | // hidden root may still have data. |
1068 | if ( IS_VIRTUAL_ROOT(item) ) | |
1069 | { | |
1070 | return GET_VIRTUAL_ROOT()->GetParam(); | |
1071 | } | |
1072 | ||
1073 | // visible node. | |
1074 | if ( !DoGetItem(&tvItem) ) | |
08b7c251 VZ |
1075 | { |
1076 | return NULL; | |
1077 | } | |
2bda0e17 | 1078 | |
4523ebb3 | 1079 | return (wxTreeItemParam *)tvItem.lParam; |
2bda0e17 KB |
1080 | } |
1081 | ||
c7d9c476 VZ |
1082 | bool wxTreeCtrl::HandleTreeEvent(wxTreeEvent& event) const |
1083 | { | |
1084 | if ( event.m_item.IsOk() ) | |
1085 | { | |
1086 | event.SetClientObject(GetItemData(event.m_item)); | |
1087 | } | |
1088 | ||
1089 | return HandleWindowEvent(event); | |
1090 | } | |
1091 | ||
4523ebb3 | 1092 | wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const |
2bda0e17 | 1093 | { |
4523ebb3 | 1094 | wxTreeItemParam *data = GetItemParam(item); |
05b2a432 | 1095 | |
4523ebb3 VZ |
1096 | return data ? data->GetData() : NULL; |
1097 | } | |
a9c1265f | 1098 | |
4523ebb3 VZ |
1099 | void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data) |
1100 | { | |
188781db VZ |
1101 | // first, associate this piece of data with this item |
1102 | if ( data ) | |
1103 | { | |
1104 | data->SetId(item); | |
1105 | } | |
1106 | ||
4523ebb3 | 1107 | wxTreeItemParam *param = GetItemParam(item); |
74b31181 | 1108 | |
4523ebb3 | 1109 | wxCHECK_RET( param, wxT("failed to change tree items data") ); |
74b31181 | 1110 | |
4523ebb3 | 1111 | param->SetData(data); |
08b7c251 | 1112 | } |
2bda0e17 | 1113 | |
3a5a2f56 VZ |
1114 | void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) |
1115 | { | |
05b2a432 RD |
1116 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
1117 | ||
a9c1265f VZ |
1118 | if ( IS_VIRTUAL_ROOT(item) ) |
1119 | return; | |
1120 | ||
3a5a2f56 VZ |
1121 | wxTreeViewItem tvItem(item, TVIF_CHILDREN); |
1122 | tvItem.cChildren = (int)has; | |
1123 | DoSetItem(&tvItem); | |
1124 | } | |
1125 | ||
add28c55 VZ |
1126 | void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold) |
1127 | { | |
05b2a432 RD |
1128 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
1129 | ||
a9c1265f VZ |
1130 | if ( IS_VIRTUAL_ROOT(item) ) |
1131 | return; | |
1132 | ||
add28c55 VZ |
1133 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_BOLD); |
1134 | tvItem.state = bold ? TVIS_BOLD : 0; | |
1135 | DoSetItem(&tvItem); | |
1136 | } | |
1137 | ||
58a8ab88 JS |
1138 | void wxTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item, bool highlight) |
1139 | { | |
a9c1265f VZ |
1140 | if ( IS_VIRTUAL_ROOT(item) ) |
1141 | return; | |
1142 | ||
58a8ab88 JS |
1143 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_DROPHILITED); |
1144 | tvItem.state = highlight ? TVIS_DROPHILITED : 0; | |
1145 | DoSetItem(&tvItem); | |
1146 | } | |
1147 | ||
d00407b2 VZ |
1148 | void wxTreeCtrl::RefreshItem(const wxTreeItemId& item) |
1149 | { | |
a9c1265f VZ |
1150 | if ( IS_VIRTUAL_ROOT(item) ) |
1151 | return; | |
1152 | ||
d00407b2 VZ |
1153 | wxRect rect; |
1154 | if ( GetBoundingRect(item, rect) ) | |
1155 | { | |
1156 | RefreshRect(rect); | |
1157 | } | |
1158 | } | |
1159 | ||
2b5f62a0 VZ |
1160 | wxColour wxTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const |
1161 | { | |
05b2a432 | 1162 | wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") ); |
2b5f62a0 | 1163 | |
05b2a432 | 1164 | wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem); |
ee4b2721 | 1165 | return it == m_attrs.end() ? wxNullColour : it->second->GetTextColour(); |
2b5f62a0 VZ |
1166 | } |
1167 | ||
1168 | wxColour wxTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& item) const | |
1169 | { | |
05b2a432 | 1170 | wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") ); |
2b5f62a0 | 1171 | |
05b2a432 | 1172 | wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem); |
ee4b2721 | 1173 | return it == m_attrs.end() ? wxNullColour : it->second->GetBackgroundColour(); |
2b5f62a0 VZ |
1174 | } |
1175 | ||
1176 | wxFont wxTreeCtrl::GetItemFont(const wxTreeItemId& item) const | |
1177 | { | |
05b2a432 | 1178 | wxCHECK_MSG( item.IsOk(), wxNullFont, wxT("invalid tree item") ); |
2b5f62a0 | 1179 | |
05b2a432 | 1180 | wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem); |
ee4b2721 | 1181 | return it == m_attrs.end() ? wxNullFont : it->second->GetFont(); |
2b5f62a0 VZ |
1182 | } |
1183 | ||
696e1ea0 VZ |
1184 | void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item, |
1185 | const wxColour& col) | |
1186 | { | |
05b2a432 RD |
1187 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
1188 | ||
ee4b2721 | 1189 | wxTreeItemAttr *attr; |
f888d614 | 1190 | wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem); |
ee4b2721 | 1191 | if ( it == m_attrs.end() ) |
696e1ea0 | 1192 | { |
ee4b2721 VZ |
1193 | m_hasAnyAttr = true; |
1194 | ||
f888d614 | 1195 | m_attrs[item.m_pItem] = |
696e1ea0 | 1196 | attr = new wxTreeItemAttr; |
ee4b2721 VZ |
1197 | } |
1198 | else | |
1199 | { | |
1200 | attr = it->second; | |
696e1ea0 VZ |
1201 | } |
1202 | ||
1203 | attr->SetTextColour(col); | |
d00407b2 VZ |
1204 | |
1205 | RefreshItem(item); | |
696e1ea0 VZ |
1206 | } |
1207 | ||
1208 | void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item, | |
1209 | const wxColour& col) | |
1210 | { | |
05b2a432 RD |
1211 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
1212 | ||
ee4b2721 | 1213 | wxTreeItemAttr *attr; |
f888d614 | 1214 | wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem); |
ee4b2721 | 1215 | if ( it == m_attrs.end() ) |
696e1ea0 | 1216 | { |
ee4b2721 VZ |
1217 | m_hasAnyAttr = true; |
1218 | ||
f888d614 | 1219 | m_attrs[item.m_pItem] = |
696e1ea0 | 1220 | attr = new wxTreeItemAttr; |
ee4b2721 VZ |
1221 | } |
1222 | else // already in the hash | |
1223 | { | |
1224 | attr = it->second; | |
696e1ea0 VZ |
1225 | } |
1226 | ||
1227 | attr->SetBackgroundColour(col); | |
d00407b2 VZ |
1228 | |
1229 | RefreshItem(item); | |
696e1ea0 VZ |
1230 | } |
1231 | ||
1232 | void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font) | |
1233 | { | |
05b2a432 RD |
1234 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
1235 | ||
ee4b2721 | 1236 | wxTreeItemAttr *attr; |
f888d614 | 1237 | wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem); |
ee4b2721 | 1238 | if ( it == m_attrs.end() ) |
696e1ea0 | 1239 | { |
ee4b2721 VZ |
1240 | m_hasAnyAttr = true; |
1241 | ||
f888d614 | 1242 | m_attrs[item.m_pItem] = |
696e1ea0 | 1243 | attr = new wxTreeItemAttr; |
ee4b2721 VZ |
1244 | } |
1245 | else // already in the hash | |
1246 | { | |
1247 | attr = it->second; | |
696e1ea0 VZ |
1248 | } |
1249 | ||
1250 | attr->SetFont(font); | |
d00407b2 | 1251 | |
2bd16277 RD |
1252 | // Reset the item's text to ensure that the bounding rect will be adjusted |
1253 | // for the new font. | |
1254 | SetItemText(item, GetItemText(item)); | |
72e61024 | 1255 | |
d00407b2 | 1256 | RefreshItem(item); |
696e1ea0 VZ |
1257 | } |
1258 | ||
08b7c251 VZ |
1259 | // ---------------------------------------------------------------------------- |
1260 | // Item status | |
1261 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 1262 | |
08b7c251 VZ |
1263 | bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const |
1264 | { | |
bfbb0b4c | 1265 | wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); |
05b2a432 | 1266 | |
2b5f62a0 VZ |
1267 | if ( item == wxTreeItemId(TVI_ROOT) ) |
1268 | { | |
1269 | // virtual (hidden) root is never visible | |
04cd30de | 1270 | return false; |
2b5f62a0 VZ |
1271 | } |
1272 | ||
add28c55 | 1273 | // Bug in Gnu-Win32 headers, so don't use the macro TreeView_GetItemRect |
08b7c251 | 1274 | RECT rect; |
955be36c VZ |
1275 | |
1276 | // this ugliness comes directly from MSDN - it *is* the correct way to pass | |
1277 | // the HTREEITEM with TVM_GETITEMRECT | |
ee4b2721 | 1278 | *(HTREEITEM *)&rect = HITEM(item); |
955be36c | 1279 | |
caea927d VZ |
1280 | // true means to get rect for just the text, not the whole line |
1281 | if ( !::SendMessage(GetHwnd(), TVM_GETITEMRECT, true, (LPARAM)&rect) ) | |
1282 | { | |
1283 | // if TVM_GETITEMRECT returned false, then the item is definitely not | |
1284 | // visible (because its parent is not expanded) | |
1285 | return false; | |
1286 | } | |
1287 | ||
1288 | // however if it returned true, the item might still be outside the | |
1289 | // currently visible part of the tree, test for it (notice that partly | |
1290 | // visible means visible here) | |
1291 | return rect.bottom > 0 && rect.top < GetClientSize().y; | |
2bda0e17 KB |
1292 | } |
1293 | ||
08b7c251 | 1294 | bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const |
2bda0e17 | 1295 | { |
bfbb0b4c | 1296 | wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); |
05b2a432 | 1297 | |
fa97ee24 VZ |
1298 | if ( IS_VIRTUAL_ROOT(item) ) |
1299 | { | |
1300 | wxTreeItemIdValue cookie; | |
1301 | return GetFirstChild(item, cookie).IsOk(); | |
1302 | } | |
1303 | ||
08b7c251 | 1304 | wxTreeViewItem tvItem(item, TVIF_CHILDREN); |
ae322a48 | 1305 | DoGetItem(&tvItem); |
2bda0e17 | 1306 | |
08b7c251 | 1307 | return tvItem.cChildren != 0; |
2bda0e17 KB |
1308 | } |
1309 | ||
08b7c251 | 1310 | bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const |
2bda0e17 | 1311 | { |
bfbb0b4c | 1312 | wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); |
2bda0e17 | 1313 | |
08b7c251 VZ |
1314 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDED); |
1315 | DoGetItem(&tvItem); | |
2bda0e17 | 1316 | |
08b7c251 | 1317 | return (tvItem.state & TVIS_EXPANDED) != 0; |
2bda0e17 KB |
1318 | } |
1319 | ||
08b7c251 | 1320 | bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const |
2bda0e17 | 1321 | { |
bfbb0b4c | 1322 | wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); |
05b2a432 | 1323 | |
08b7c251 VZ |
1324 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_SELECTED); |
1325 | DoGetItem(&tvItem); | |
2bda0e17 | 1326 | |
08b7c251 | 1327 | return (tvItem.state & TVIS_SELECTED) != 0; |
2bda0e17 KB |
1328 | } |
1329 | ||
add28c55 VZ |
1330 | bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const |
1331 | { | |
bfbb0b4c | 1332 | wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); |
05b2a432 | 1333 | |
add28c55 VZ |
1334 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_BOLD); |
1335 | DoGetItem(&tvItem); | |
1336 | ||
1337 | return (tvItem.state & TVIS_BOLD) != 0; | |
1338 | } | |
1339 | ||
08b7c251 VZ |
1340 | // ---------------------------------------------------------------------------- |
1341 | // navigation | |
1342 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 1343 | |
08b7c251 VZ |
1344 | wxTreeItemId wxTreeCtrl::GetRootItem() const |
1345 | { | |
a9c1265f VZ |
1346 | // Root may be real (visible) or virtual (hidden). |
1347 | if ( GET_VIRTUAL_ROOT() ) | |
1348 | return TVI_ROOT; | |
1349 | ||
ee4b2721 | 1350 | return wxTreeItemId(TreeView_GetRoot(GetHwnd())); |
08b7c251 | 1351 | } |
2bda0e17 | 1352 | |
08b7c251 VZ |
1353 | wxTreeItemId wxTreeCtrl::GetSelection() const |
1354 | { | |
c7d9c476 | 1355 | wxCHECK_MSG( !HasFlag(wxTR_MULTIPLE), wxTreeItemId(), |
223d09f6 | 1356 | wxT("this only works with single selection controls") ); |
9dfbf520 | 1357 | |
3c01c595 VZ |
1358 | return GetFocusedItem(); |
1359 | } | |
1360 | ||
1361 | wxTreeItemId wxTreeCtrl::GetFocusedItem() const | |
1362 | { | |
ee4b2721 | 1363 | return wxTreeItemId(TreeView_GetSelection(GetHwnd())); |
2bda0e17 KB |
1364 | } |
1365 | ||
99006e44 | 1366 | wxTreeItemId wxTreeCtrl::GetItemParent(const wxTreeItemId& item) const |
2bda0e17 | 1367 | { |
05b2a432 RD |
1368 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
1369 | ||
c9b142c9 VZ |
1370 | HTREEITEM hItem; |
1371 | ||
1372 | if ( IS_VIRTUAL_ROOT(item) ) | |
1373 | { | |
1374 | // no parent for the virtual root | |
1375 | hItem = 0; | |
1376 | } | |
1377 | else // normal item | |
a9c1265f | 1378 | { |
c9b142c9 VZ |
1379 | hItem = TreeView_GetParent(GetHwnd(), HITEM(item)); |
1380 | if ( !hItem && HasFlag(wxTR_HIDE_ROOT) ) | |
1381 | { | |
1382 | // the top level items should have the virtual root as their parent | |
1383 | hItem = TVI_ROOT; | |
1384 | } | |
a9c1265f VZ |
1385 | } |
1386 | ||
ee4b2721 | 1387 | return wxTreeItemId(hItem); |
08b7c251 | 1388 | } |
2bda0e17 | 1389 | |
08b7c251 | 1390 | wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, |
ee4b2721 | 1391 | wxTreeItemIdValue& cookie) const |
08b7c251 | 1392 | { |
05b2a432 RD |
1393 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
1394 | ||
08b7c251 | 1395 | // remember the last child returned in 'cookie' |
ee4b2721 VZ |
1396 | cookie = TreeView_GetChild(GetHwnd(), HITEM(item)); |
1397 | ||
1398 | return wxTreeItemId(cookie); | |
1399 | } | |
1400 | ||
1401 | wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item), | |
1402 | wxTreeItemIdValue& cookie) const | |
1403 | { | |
44d60c0b WS |
1404 | wxTreeItemId fromCookie(cookie); |
1405 | ||
1406 | HTREEITEM hitem = HITEM(fromCookie); | |
1407 | ||
1408 | hitem = TreeView_GetNextSibling(GetHwnd(), hitem); | |
1409 | ||
1410 | wxTreeItemId item(hitem); | |
1411 | ||
ee4b2721 VZ |
1412 | cookie = item.m_pItem; |
1413 | ||
1414 | return item; | |
1415 | } | |
2bda0e17 | 1416 | |
978f38c2 VZ |
1417 | wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const |
1418 | { | |
05b2a432 RD |
1419 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
1420 | ||
978f38c2 | 1421 | // can this be done more efficiently? |
ee4b2721 | 1422 | wxTreeItemIdValue cookie; |
978f38c2 VZ |
1423 | |
1424 | wxTreeItemId childLast, | |
2165ad93 | 1425 | child = GetFirstChild(item, cookie); |
978f38c2 VZ |
1426 | while ( child.IsOk() ) |
1427 | { | |
1428 | childLast = child; | |
2165ad93 | 1429 | child = GetNextChild(item, cookie); |
978f38c2 VZ |
1430 | } |
1431 | ||
1432 | return childLast; | |
1433 | } | |
1434 | ||
08b7c251 VZ |
1435 | wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const |
1436 | { | |
05b2a432 | 1437 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
ee4b2721 | 1438 | return wxTreeItemId(TreeView_GetNextSibling(GetHwnd(), HITEM(item))); |
2bda0e17 KB |
1439 | } |
1440 | ||
08b7c251 | 1441 | wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const |
2bda0e17 | 1442 | { |
05b2a432 | 1443 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
ee4b2721 | 1444 | return wxTreeItemId(TreeView_GetPrevSibling(GetHwnd(), HITEM(item))); |
2bda0e17 KB |
1445 | } |
1446 | ||
08b7c251 | 1447 | wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const |
2bda0e17 | 1448 | { |
ee4b2721 | 1449 | return wxTreeItemId(TreeView_GetFirstVisible(GetHwnd())); |
2bda0e17 KB |
1450 | } |
1451 | ||
08b7c251 | 1452 | wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const |
2bda0e17 | 1453 | { |
05b2a432 | 1454 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
f6bcfd97 | 1455 | wxASSERT_MSG( IsVisible(item), wxT("The item you call GetNextVisible() for must be visible itself!")); |
02ce7b72 | 1456 | |
f73eddd2 VZ |
1457 | wxTreeItemId next(TreeView_GetNextVisible(GetHwnd(), HITEM(item))); |
1458 | if ( next.IsOk() && !IsVisible(next) ) | |
1459 | { | |
1460 | // Win32 considers that any non-collapsed item is visible while we want | |
1461 | // to return only really visible items | |
1462 | next.Unset(); | |
1463 | } | |
1464 | ||
1465 | return next; | |
08b7c251 | 1466 | } |
02ce7b72 | 1467 | |
08b7c251 VZ |
1468 | wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const |
1469 | { | |
05b2a432 | 1470 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
f6bcfd97 | 1471 | wxASSERT_MSG( IsVisible(item), wxT("The item you call GetPrevVisible() for must be visible itself!")); |
02ce7b72 | 1472 | |
f73eddd2 VZ |
1473 | wxTreeItemId prev(TreeView_GetPrevVisible(GetHwnd(), HITEM(item))); |
1474 | if ( prev.IsOk() && !IsVisible(prev) ) | |
1475 | { | |
1476 | // just as above, Win32 function will happily return the previous item | |
1477 | // in the tree for the first visible item too | |
1478 | prev.Unset(); | |
1479 | } | |
1480 | ||
1481 | return prev; | |
08b7c251 | 1482 | } |
02ce7b72 | 1483 | |
9dfbf520 VZ |
1484 | // ---------------------------------------------------------------------------- |
1485 | // multiple selections emulation | |
1486 | // ---------------------------------------------------------------------------- | |
1487 | ||
33961d59 RR |
1488 | size_t wxTreeCtrl::GetSelections(wxArrayTreeItemIds& selections) const |
1489 | { | |
1490 | TraverseSelections selector(this, selections); | |
9dfbf520 | 1491 | |
e47c4d48 | 1492 | return selector.GetCount(); |
9dfbf520 VZ |
1493 | } |
1494 | ||
08b7c251 VZ |
1495 | // ---------------------------------------------------------------------------- |
1496 | // Usual operations | |
1497 | // ---------------------------------------------------------------------------- | |
02ce7b72 | 1498 | |
8cee4a30 VZ |
1499 | wxTreeItemId wxTreeCtrl::DoInsertAfter(const wxTreeItemId& parent, |
1500 | const wxTreeItemId& hInsertAfter, | |
1501 | const wxString& text, | |
1502 | int image, int selectedImage, | |
1503 | wxTreeItemData *data) | |
08b7c251 | 1504 | { |
0e935169 VZ |
1505 | wxCHECK_MSG( parent.IsOk() || !TreeView_GetRoot(GetHwnd()), |
1506 | wxTreeItemId(), | |
9a83f860 | 1507 | wxT("can't have more than one root in the tree") ); |
0e935169 | 1508 | |
08b7c251 | 1509 | TV_INSERTSTRUCT tvIns; |
3f7bc32b VZ |
1510 | tvIns.hParent = HITEM(parent); |
1511 | tvIns.hInsertAfter = HITEM(hInsertAfter); | |
58a8ab88 | 1512 | |
74b31181 VZ |
1513 | // this is how we insert the item as the first child: supply a NULL |
1514 | // hInsertAfter | |
1515 | if ( !tvIns.hInsertAfter ) | |
58a8ab88 JS |
1516 | { |
1517 | tvIns.hInsertAfter = TVI_FIRST; | |
1518 | } | |
1519 | ||
08b7c251 | 1520 | UINT mask = 0; |
44d60c0b | 1521 | if ( !text.empty() ) |
08b7c251 VZ |
1522 | { |
1523 | mask |= TVIF_TEXT; | |
c9f78968 | 1524 | tvIns.item.pszText = (wxChar *)text.wx_str(); // cast is ok |
08b7c251 | 1525 | } |
f6bcfd97 BP |
1526 | else |
1527 | { | |
1528 | tvIns.item.pszText = NULL; | |
1529 | tvIns.item.cchTextMax = 0; | |
1530 | } | |
02ce7b72 | 1531 | |
1b182562 VZ |
1532 | // create the param which will store the other item parameters |
1533 | wxTreeItemParam *param = new wxTreeItemParam; | |
1534 | ||
1535 | // we return the images on demand as they depend on whether the item is | |
1536 | // expanded or collapsed too in our case | |
4523ebb3 VZ |
1537 | mask |= TVIF_IMAGE | TVIF_SELECTEDIMAGE; |
1538 | tvIns.item.iImage = I_IMAGECALLBACK; | |
1539 | tvIns.item.iSelectedImage = I_IMAGECALLBACK; | |
3a5a2f56 | 1540 | |
4523ebb3 | 1541 | param->SetImage(image, wxTreeItemIcon_Normal); |
1b182562 | 1542 | param->SetImage(selectedImage, wxTreeItemIcon_Selected); |
02ce7b72 | 1543 | |
4523ebb3 VZ |
1544 | mask |= TVIF_PARAM; |
1545 | tvIns.item.lParam = (LPARAM)param; | |
08b7c251 | 1546 | tvIns.item.mask = mask; |
02ce7b72 | 1547 | |
4a36036e VZ |
1548 | // don't use the hack below for the children of hidden root: this results |
1549 | // in a crash inside comctl32.dll when we call TreeView_GetItemRect() | |
1550 | const bool firstChild = !IsHiddenRoot(parent) && | |
1551 | !TreeView_GetChild(GetHwnd(), HITEM(parent)); | |
7e45c159 | 1552 | |
1b182562 | 1553 | HTREEITEM id = TreeView_InsertItem(GetHwnd(), &tvIns); |
08b7c251 VZ |
1554 | if ( id == 0 ) |
1555 | { | |
f6bcfd97 | 1556 | wxLogLastError(wxT("TreeView_InsertItem")); |
08b7c251 | 1557 | } |
02ce7b72 | 1558 | |
7e45c159 VZ |
1559 | // apparently some Windows versions (2000 and XP are reported to do this) |
1560 | // sometimes don't refresh the tree after adding the first child and so we | |
1561 | // need this to make the "[+]" appear | |
1562 | if ( firstChild ) | |
1563 | { | |
1564 | RECT rect; | |
1565 | TreeView_GetItemRect(GetHwnd(), HITEM(parent), &rect, FALSE); | |
1566 | ::InvalidateRect(GetHwnd(), &rect, FALSE); | |
1567 | } | |
1568 | ||
4523ebb3 VZ |
1569 | // associate the application tree item with Win32 tree item handle |
1570 | param->SetItem(id); | |
1571 | ||
1572 | // setup wxTreeItemData | |
fd3f686c VZ |
1573 | if ( data != NULL ) |
1574 | { | |
4523ebb3 | 1575 | param->SetData(data); |
ee4b2721 | 1576 | data->SetId(id); |
fd3f686c VZ |
1577 | } |
1578 | ||
ee4b2721 | 1579 | return wxTreeItemId(id); |
2bda0e17 KB |
1580 | } |
1581 | ||
08b7c251 VZ |
1582 | wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, |
1583 | int image, int selectedImage, | |
1584 | wxTreeItemData *data) | |
2bda0e17 | 1585 | { |
0228081f | 1586 | if ( HasFlag(wxTR_HIDE_ROOT) ) |
a9c1265f | 1587 | { |
9a83f860 | 1588 | wxASSERT_MSG( !m_pVirtualRoot, wxT("tree can have only a single root") ); |
2a69b4e8 | 1589 | |
a9c1265f | 1590 | // create a virtual root item, the parent for all the others |
4523ebb3 VZ |
1591 | wxTreeItemParam *param = new wxTreeItemParam; |
1592 | param->SetData(data); | |
1593 | ||
1594 | m_pVirtualRoot = new wxVirtualNode(param); | |
a9c1265f VZ |
1595 | |
1596 | return TVI_ROOT; | |
1597 | } | |
1598 | ||
8cee4a30 VZ |
1599 | return DoInsertAfter(wxTreeItemId(), wxTreeItemId(), |
1600 | text, image, selectedImage, data); | |
2bda0e17 KB |
1601 | } |
1602 | ||
8cee4a30 VZ |
1603 | wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent, |
1604 | size_t index, | |
1605 | const wxString& text, | |
1606 | int image, int selectedImage, | |
1607 | wxTreeItemData *data) | |
2ef31e80 | 1608 | { |
8cee4a30 VZ |
1609 | wxTreeItemId idPrev; |
1610 | if ( index == (size_t)-1 ) | |
2ef31e80 | 1611 | { |
8cee4a30 VZ |
1612 | // special value: append to the end |
1613 | idPrev = TVI_LAST; | |
2ef31e80 | 1614 | } |
8cee4a30 VZ |
1615 | else // find the item from index |
1616 | { | |
1617 | wxTreeItemIdValue cookie; | |
1618 | wxTreeItemId idCur = GetFirstChild(parent, cookie); | |
1619 | while ( index != 0 && idCur.IsOk() ) | |
1620 | { | |
1621 | index--; | |
2ef31e80 | 1622 | |
8cee4a30 VZ |
1623 | idPrev = idCur; |
1624 | idCur = GetNextChild(parent, cookie); | |
1625 | } | |
2ef31e80 | 1626 | |
8cee4a30 VZ |
1627 | // assert, not check: if the index is invalid, we will append the item |
1628 | // to the end | |
9a83f860 | 1629 | wxASSERT_MSG( index == 0, wxT("bad index in wxTreeCtrl::InsertItem") ); |
8cee4a30 | 1630 | } |
2ef31e80 | 1631 | |
8cee4a30 | 1632 | return DoInsertAfter(parent, idPrev, text, image, selectedImage, data); |
2bda0e17 KB |
1633 | } |
1634 | ||
08b7c251 | 1635 | void wxTreeCtrl::Delete(const wxTreeItemId& item) |
2bda0e17 | 1636 | { |
396f85ba BW |
1637 | // unlock tree selections on vista, without this the |
1638 | // tree ctrl will eventually crash after item deletion | |
1639 | TreeItemUnlocker unlock_all; | |
1640 | ||
c7d9c476 VZ |
1641 | if ( HasFlag(wxTR_MULTIPLE) ) |
1642 | { | |
1643 | bool selected = IsSelected(item); | |
1644 | wxTreeItemId next; | |
1645 | ||
1646 | if ( selected ) | |
1647 | { | |
1648 | next = TreeView_GetNextVisible(GetHwnd(), HITEM(item)); | |
1649 | ||
1650 | if ( !next.IsOk() ) | |
1651 | { | |
1652 | next = TreeView_GetPrevVisible(GetHwnd(), HITEM(item)); | |
1653 | } | |
1654 | } | |
1655 | ||
c7d9c476 | 1656 | { |
7dac12ef VZ |
1657 | TempSetter set(m_changingSelection); |
1658 | if ( !TreeView_DeleteItem(GetHwnd(), HITEM(item)) ) | |
1659 | { | |
1660 | wxLogLastError(wxT("TreeView_DeleteItem")); | |
1661 | return; | |
1662 | } | |
c7d9c476 VZ |
1663 | } |
1664 | ||
1665 | if ( !selected ) | |
1666 | { | |
1667 | return; | |
1668 | } | |
1669 | ||
f19259fc VZ |
1670 | if ( item == m_htSelStart ) |
1671 | m_htSelStart.Unset(); | |
1672 | ||
1673 | if ( item == m_htClickedItem ) | |
1674 | m_htClickedItem.Unset(); | |
1675 | ||
c7d9c476 VZ |
1676 | if ( next.IsOk() ) |
1677 | { | |
1678 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, next); | |
1679 | ||
1680 | if ( IsTreeEventAllowed(changingEvent) ) | |
1681 | { | |
1682 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, this, next); | |
1683 | (void)HandleTreeEvent(changedEvent); | |
1684 | } | |
1685 | else | |
1686 | { | |
7dac12ef VZ |
1687 | DoUnselectItem(next); |
1688 | ClearFocusedItem(); | |
c7d9c476 VZ |
1689 | } |
1690 | } | |
1691 | } | |
1692 | else | |
bbcdf8bc | 1693 | { |
c7d9c476 VZ |
1694 | if ( !TreeView_DeleteItem(GetHwnd(), HITEM(item)) ) |
1695 | { | |
1696 | wxLogLastError(wxT("TreeView_DeleteItem")); | |
1697 | } | |
bbcdf8bc | 1698 | } |
bbcdf8bc JS |
1699 | } |
1700 | ||
23fd5130 VZ |
1701 | // delete all children (but don't delete the item itself) |
1702 | void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item) | |
1703 | { | |
396f85ba BW |
1704 | // unlock tree selections on vista for the duration of this call |
1705 | TreeItemUnlocker unlock_all; | |
1706 | ||
ee4b2721 | 1707 | wxTreeItemIdValue cookie; |
23fd5130 | 1708 | |
ee4b2721 | 1709 | wxArrayTreeItemIds children; |
23fd5130 VZ |
1710 | wxTreeItemId child = GetFirstChild(item, cookie); |
1711 | while ( child.IsOk() ) | |
1712 | { | |
ee4b2721 | 1713 | children.Add(child); |
23fd5130 VZ |
1714 | |
1715 | child = GetNextChild(item, cookie); | |
1716 | } | |
1717 | ||
1718 | size_t nCount = children.Count(); | |
1719 | for ( size_t n = 0; n < nCount; n++ ) | |
1720 | { | |
c7d9c476 | 1721 | Delete(children[n]); |
23fd5130 VZ |
1722 | } |
1723 | } | |
1724 | ||
08b7c251 | 1725 | void wxTreeCtrl::DeleteAllItems() |
bbcdf8bc | 1726 | { |
396f85ba BW |
1727 | // unlock tree selections on vista for the duration of this call |
1728 | TreeItemUnlocker unlock_all; | |
1729 | ||
f19259fc VZ |
1730 | // invalidate all the items we store as they're going to become invalid |
1731 | m_htSelStart = | |
1732 | m_htClickedItem = wxTreeItemId(); | |
1733 | ||
bfedf621 VZ |
1734 | // delete the "virtual" root item. |
1735 | if ( GET_VIRTUAL_ROOT() ) | |
1736 | { | |
1737 | delete GET_VIRTUAL_ROOT(); | |
1738 | m_pVirtualRoot = NULL; | |
1739 | } | |
1740 | ||
1741 | // and all the real items | |
a9c1265f | 1742 | |
d220ae32 | 1743 | if ( !TreeView_DeleteAllItems(GetHwnd()) ) |
bbcdf8bc | 1744 | { |
f6bcfd97 | 1745 | wxLogLastError(wxT("TreeView_DeleteAllItems")); |
bbcdf8bc | 1746 | } |
2bda0e17 KB |
1747 | } |
1748 | ||
08b7c251 | 1749 | void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag) |
2bda0e17 | 1750 | { |
dd3646fd VZ |
1751 | wxASSERT_MSG( flag == TVE_COLLAPSE || |
1752 | flag == (TVE_COLLAPSE | TVE_COLLAPSERESET) || | |
1753 | flag == TVE_EXPAND || | |
1754 | flag == TVE_TOGGLE, | |
223d09f6 | 1755 | wxT("Unknown flag in wxTreeCtrl::DoExpand") ); |
08b7c251 | 1756 | |
a9c1265f | 1757 | // A hidden root can be neither expanded nor collapsed. |
0228081f | 1758 | wxCHECK_RET( !IsHiddenRoot(item), |
637b7e4f | 1759 | wxT("Can't expand/collapse hidden root node!") ); |
a9c1265f | 1760 | |
08b7c251 | 1761 | // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must |
d220ae32 VZ |
1762 | // emulate them. This behaviour has changed slightly with comctl32.dll |
1763 | // v 4.70 - now it does send them but only the first time. To maintain | |
1764 | // compatible behaviour and also in order to not have surprises with the | |
1765 | // future versions, don't rely on this and still do everything ourselves. | |
1766 | // To avoid that the messages be sent twice when the item is expanded for | |
1767 | // the first time we must clear TVIS_EXPANDEDONCE style manually. | |
1768 | ||
1769 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDEDONCE); | |
1770 | tvItem.state = 0; | |
1771 | DoSetItem(&tvItem); | |
1772 | ||
c7d9c476 VZ |
1773 | if ( IsExpanded(item) ) |
1774 | { | |
1775 | wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_COLLAPSING, | |
1776 | this, wxTreeItemId(item)); | |
1777 | ||
1778 | if ( !IsTreeEventAllowed(event) ) | |
1779 | return; | |
1780 | } | |
1781 | ||
1782 | if ( TreeView_Expand(GetHwnd(), HITEM(item), flag) ) | |
08b7c251 | 1783 | { |
c7d9c476 VZ |
1784 | if ( IsExpanded(item) ) |
1785 | return; | |
1786 | ||
1787 | wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_COLLAPSED, this, item); | |
1788 | (void)HandleTreeEvent(event); | |
08b7c251 | 1789 | } |
d220ae32 | 1790 | //else: change didn't took place, so do nothing at all |
2bda0e17 KB |
1791 | } |
1792 | ||
08b7c251 | 1793 | void wxTreeCtrl::Expand(const wxTreeItemId& item) |
2bda0e17 | 1794 | { |
08b7c251 | 1795 | DoExpand(item, TVE_EXPAND); |
2bda0e17 | 1796 | } |
2bda0e17 | 1797 | |
08b7c251 | 1798 | void wxTreeCtrl::Collapse(const wxTreeItemId& item) |
2bda0e17 | 1799 | { |
08b7c251 | 1800 | DoExpand(item, TVE_COLLAPSE); |
2bda0e17 KB |
1801 | } |
1802 | ||
08b7c251 | 1803 | void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item) |
2bda0e17 | 1804 | { |
dd3646fd | 1805 | DoExpand(item, TVE_COLLAPSE | TVE_COLLAPSERESET); |
2bda0e17 KB |
1806 | } |
1807 | ||
08b7c251 | 1808 | void wxTreeCtrl::Toggle(const wxTreeItemId& item) |
2bda0e17 | 1809 | { |
08b7c251 | 1810 | DoExpand(item, TVE_TOGGLE); |
2bda0e17 KB |
1811 | } |
1812 | ||
08b7c251 | 1813 | void wxTreeCtrl::Unselect() |
2bda0e17 | 1814 | { |
c7d9c476 | 1815 | wxASSERT_MSG( !HasFlag(wxTR_MULTIPLE), |
3f7bc32b | 1816 | wxT("doesn't make sense, may be you want UnselectAll()?") ); |
9dfbf520 | 1817 | |
c7d9c476 VZ |
1818 | // the current focus |
1819 | HTREEITEM htFocus = (HTREEITEM)TreeView_GetSelection(GetHwnd()); | |
1820 | ||
1821 | if ( !htFocus ) | |
1822 | { | |
1823 | return; | |
1824 | } | |
1825 | ||
1826 | if ( HasFlag(wxTR_MULTIPLE) ) | |
1827 | { | |
1828 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
1829 | this, wxTreeItemId()); | |
1830 | changingEvent.m_itemOld = htFocus; | |
1831 | ||
1832 | if ( IsTreeEventAllowed(changingEvent) ) | |
1833 | { | |
7dac12ef | 1834 | ClearFocusedItem(); |
c7d9c476 VZ |
1835 | |
1836 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
1837 | this, wxTreeItemId()); | |
1838 | changedEvent.m_itemOld = htFocus; | |
1839 | (void)HandleTreeEvent(changedEvent); | |
1840 | } | |
1841 | } | |
1842 | else | |
1843 | { | |
7dac12ef | 1844 | ClearFocusedItem(); |
c7d9c476 VZ |
1845 | } |
1846 | } | |
1847 | ||
1848 | void wxTreeCtrl::DoUnselectAll() | |
1849 | { | |
1850 | wxArrayTreeItemIds selections; | |
1851 | size_t count = GetSelections(selections); | |
1852 | ||
1853 | for ( size_t n = 0; n < count; n++ ) | |
1854 | { | |
7dac12ef | 1855 | DoUnselectItem(selections[n]); |
c7d9c476 VZ |
1856 | } |
1857 | ||
1858 | m_htSelStart.Unset(); | |
08b7c251 | 1859 | } |
02ce7b72 | 1860 | |
9dfbf520 | 1861 | void wxTreeCtrl::UnselectAll() |
08b7c251 | 1862 | { |
c7d9c476 | 1863 | if ( HasFlag(wxTR_MULTIPLE) ) |
2bda0e17 | 1864 | { |
c7d9c476 VZ |
1865 | HTREEITEM htFocus = (HTREEITEM)TreeView_GetSelection(GetHwnd()); |
1866 | if ( !htFocus ) return; | |
1867 | ||
1868 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this); | |
1869 | changingEvent.m_itemOld = htFocus; | |
1870 | ||
1871 | if ( IsTreeEventAllowed(changingEvent) ) | |
d220ae32 | 1872 | { |
c7d9c476 | 1873 | DoUnselectAll(); |
ba8a1961 | 1874 | |
c7d9c476 VZ |
1875 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, this); |
1876 | changedEvent.m_itemOld = htFocus; | |
1877 | (void)HandleTreeEvent(changedEvent); | |
1878 | } | |
9dfbf520 | 1879 | } |
75afdc2d | 1880 | else |
9dfbf520 | 1881 | { |
9dfbf520 VZ |
1882 | Unselect(); |
1883 | } | |
1884 | } | |
1885 | ||
7dac12ef VZ |
1886 | void wxTreeCtrl::DoSelectItem(const wxTreeItemId& item, bool select) |
1887 | { | |
1888 | TempSetter set(m_changingSelection); | |
1889 | ||
1890 | ::SelectItem(GetHwnd(), HITEM(item), select); | |
1891 | } | |
1892 | ||
3e9af289 | 1893 | void wxTreeCtrl::SelectItem(const wxTreeItemId& item, bool select) |
9dfbf520 | 1894 | { |
9a83f860 | 1895 | wxCHECK_RET( !IsHiddenRoot(item), wxT("can't select hidden root item") ); |
8a536fa3 | 1896 | |
86646693 | 1897 | if ( select == IsSelected(item) ) |
c7d9c476 | 1898 | { |
86646693 | 1899 | // nothing to do, the item is already in the requested state |
c7d9c476 VZ |
1900 | return; |
1901 | } | |
9dfbf520 | 1902 | |
c7d9c476 | 1903 | if ( HasFlag(wxTR_MULTIPLE) ) |
cc87a04c | 1904 | { |
c7d9c476 VZ |
1905 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, item); |
1906 | ||
1907 | if ( IsTreeEventAllowed(changingEvent) ) | |
d220ae32 | 1908 | { |
c7d9c476 | 1909 | HTREEITEM htFocus = (HTREEITEM)TreeView_GetSelection(GetHwnd()); |
7dac12ef | 1910 | DoSelectItem(item, select); |
c7d9c476 VZ |
1911 | |
1912 | if ( !htFocus ) | |
7549148b | 1913 | { |
7dac12ef | 1914 | SetFocusedItem(item); |
7549148b | 1915 | } |
c7d9c476 VZ |
1916 | |
1917 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
1918 | this, item); | |
1919 | (void)HandleTreeEvent(changedEvent); | |
cc87a04c | 1920 | } |
c7d9c476 | 1921 | } |
86646693 | 1922 | else // single selection |
c7d9c476 | 1923 | { |
86646693 VZ |
1924 | wxTreeItemId itemOld, itemNew; |
1925 | if ( select ) | |
1926 | { | |
1927 | itemOld = GetSelection(); | |
1928 | itemNew = item; | |
1929 | } | |
1930 | else // deselecting the currently selected item | |
1931 | { | |
1932 | itemOld = item; | |
1933 | // leave itemNew invalid | |
1934 | } | |
c7d9c476 VZ |
1935 | |
1936 | // in spite of the docs (MSDN Jan 99 edition), we don't seem to receive | |
1937 | // the notification from the control (i.e. TVN_SELCHANG{ED|ING}), so | |
1938 | // send them ourselves | |
1939 | ||
86646693 VZ |
1940 | wxTreeEvent |
1941 | changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, itemNew); | |
1942 | changingEvent.SetOldItem(itemOld); | |
c7d9c476 VZ |
1943 | |
1944 | if ( IsTreeEventAllowed(changingEvent) ) | |
cc87a04c | 1945 | { |
86646693 | 1946 | if ( !TreeView_SelectItem(GetHwnd(), HITEM(itemNew)) ) |
7549148b VZ |
1947 | { |
1948 | wxLogLastError(wxT("TreeView_SelectItem")); | |
7549148b | 1949 | } |
c7d9c476 VZ |
1950 | else // ok |
1951 | { | |
7dac12ef | 1952 | SetFocusedItem(item); |
7549148b | 1953 | |
c7d9c476 | 1954 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, |
86646693 VZ |
1955 | this, itemNew); |
1956 | changedEvent.SetOldItem(itemOld); | |
c7d9c476 VZ |
1957 | (void)HandleTreeEvent(changedEvent); |
1958 | } | |
1959 | } | |
1960 | //else: program vetoed the change | |
2bda0e17 | 1961 | } |
08b7c251 | 1962 | } |
2bda0e17 | 1963 | |
08b7c251 VZ |
1964 | void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item) |
1965 | { | |
9a83f860 | 1966 | wxCHECK_RET( !IsHiddenRoot(item), wxT("can't show hidden root item") ); |
0228081f | 1967 | |
08b7c251 | 1968 | // no error return |
3f7bc32b | 1969 | TreeView_EnsureVisible(GetHwnd(), HITEM(item)); |
08b7c251 VZ |
1970 | } |
1971 | ||
1972 | void wxTreeCtrl::ScrollTo(const wxTreeItemId& item) | |
1973 | { | |
3f7bc32b | 1974 | if ( !TreeView_SelectSetFirstVisible(GetHwnd(), HITEM(item)) ) |
2bda0e17 | 1975 | { |
f6bcfd97 | 1976 | wxLogLastError(wxT("TreeView_SelectSetFirstVisible")); |
2bda0e17 | 1977 | } |
08b7c251 VZ |
1978 | } |
1979 | ||
44fbc477 | 1980 | wxTextCtrl *wxTreeCtrl::GetEditControl() const |
08b7c251 VZ |
1981 | { |
1982 | return m_textCtrl; | |
1983 | } | |
1984 | ||
1985 | void wxTreeCtrl::DeleteTextCtrl() | |
1986 | { | |
1987 | if ( m_textCtrl ) | |
2bda0e17 | 1988 | { |
b6a3d6ad VZ |
1989 | // the HWND corresponding to this control is deleted by the tree |
1990 | // control itself and we don't know when exactly this happens, so check | |
1991 | // if the window still exists before calling UnsubclassWin() | |
1992 | if ( !::IsWindow(GetHwndOf(m_textCtrl)) ) | |
1993 | { | |
1994 | m_textCtrl->SetHWND(0); | |
1995 | } | |
1996 | ||
08b7c251 VZ |
1997 | m_textCtrl->UnsubclassWin(); |
1998 | m_textCtrl->SetHWND(0); | |
1999 | delete m_textCtrl; | |
2000 | m_textCtrl = NULL; | |
1a4088e1 VZ |
2001 | |
2002 | m_idEdited.Unset(); | |
2bda0e17 | 2003 | } |
08b7c251 | 2004 | } |
2bda0e17 | 2005 | |
4523ebb3 VZ |
2006 | wxTextCtrl *wxTreeCtrl::EditLabel(const wxTreeItemId& item, |
2007 | wxClassInfo *textControlClass) | |
08b7c251 VZ |
2008 | { |
2009 | wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) ); | |
2010 | ||
b94ae1ea VZ |
2011 | DeleteTextCtrl(); |
2012 | ||
1a4088e1 | 2013 | m_idEdited = item; |
cd6bd270 | 2014 | m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject(); |
3f7bc32b | 2015 | HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), HITEM(item)); |
2bda0e17 | 2016 | |
5ea47806 | 2017 | // this is not an error - the TVN_BEGINLABELEDIT handler might have |
04cd30de | 2018 | // returned false |
5ea47806 VZ |
2019 | if ( !hWnd ) |
2020 | { | |
cd6bd270 MB |
2021 | delete m_textCtrl; |
2022 | m_textCtrl = NULL; | |
5ea47806 VZ |
2023 | return NULL; |
2024 | } | |
2bda0e17 | 2025 | |
cd6bd270 | 2026 | // textctrl is subclassed in MSWOnNotify |
08b7c251 | 2027 | return m_textCtrl; |
2bda0e17 KB |
2028 | } |
2029 | ||
08b7c251 | 2030 | // End label editing, optionally cancelling the edit |
d35dce3a | 2031 | void wxTreeCtrl::DoEndEditLabel(bool discardChanges) |
2bda0e17 | 2032 | { |
d220ae32 | 2033 | TreeView_EndEditLabelNow(GetHwnd(), discardChanges); |
08b7c251 VZ |
2034 | |
2035 | DeleteTextCtrl(); | |
2bda0e17 KB |
2036 | } |
2037 | ||
be0e5d69 | 2038 | wxTreeItemId wxTreeCtrl::DoTreeHitTest(const wxPoint& point, int& flags) const |
2bda0e17 | 2039 | { |
08b7c251 VZ |
2040 | TV_HITTESTINFO hitTestInfo; |
2041 | hitTestInfo.pt.x = (int)point.x; | |
2042 | hitTestInfo.pt.y = (int)point.y; | |
2bda0e17 | 2043 | |
8ecd5de2 | 2044 | (void) TreeView_HitTest(GetHwnd(), &hitTestInfo); |
2bda0e17 | 2045 | |
08b7c251 VZ |
2046 | flags = 0; |
2047 | ||
2048 | // avoid repetition | |
2049 | #define TRANSLATE_FLAG(flag) if ( hitTestInfo.flags & TVHT_##flag ) \ | |
2050 | flags |= wxTREE_HITTEST_##flag | |
2051 | ||
2052 | TRANSLATE_FLAG(ABOVE); | |
2053 | TRANSLATE_FLAG(BELOW); | |
2054 | TRANSLATE_FLAG(NOWHERE); | |
2055 | TRANSLATE_FLAG(ONITEMBUTTON); | |
2056 | TRANSLATE_FLAG(ONITEMICON); | |
2057 | TRANSLATE_FLAG(ONITEMINDENT); | |
2058 | TRANSLATE_FLAG(ONITEMLABEL); | |
2059 | TRANSLATE_FLAG(ONITEMRIGHT); | |
2060 | TRANSLATE_FLAG(ONITEMSTATEICON); | |
2061 | TRANSLATE_FLAG(TOLEFT); | |
2062 | TRANSLATE_FLAG(TORIGHT); | |
2bda0e17 | 2063 | |
08b7c251 VZ |
2064 | #undef TRANSLATE_FLAG |
2065 | ||
ee4b2721 | 2066 | return wxTreeItemId(hitTestInfo.hItem); |
08b7c251 VZ |
2067 | } |
2068 | ||
f7c832a7 VZ |
2069 | bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item, |
2070 | wxRect& rect, | |
2071 | bool textOnly) const | |
2072 | { | |
2073 | RECT rc; | |
f2c3db9d RD |
2074 | |
2075 | // Virtual root items have no bounding rectangle | |
2076 | if ( IS_VIRTUAL_ROOT(item) ) | |
2077 | { | |
2078 | return false; | |
2079 | } | |
2080 | ||
3f7bc32b | 2081 | if ( TreeView_GetItemRect(GetHwnd(), HITEM(item), |
f7c832a7 VZ |
2082 | &rc, textOnly) ) |
2083 | { | |
2084 | rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom)); | |
2085 | ||
04cd30de | 2086 | return true; |
f7c832a7 VZ |
2087 | } |
2088 | else | |
2089 | { | |
2090 | // couldn't retrieve rect: for example, item isn't visible | |
04cd30de | 2091 | return false; |
f7c832a7 VZ |
2092 | } |
2093 | } | |
2094 | ||
7dac12ef VZ |
2095 | void wxTreeCtrl::ClearFocusedItem() |
2096 | { | |
2097 | TempSetter set(m_changingSelection); | |
2098 | ||
2099 | if ( !TreeView_SelectItem(GetHwnd(), 0) ) | |
2100 | { | |
2101 | wxLogLastError(wxT("TreeView_SelectItem")); | |
2102 | } | |
2103 | } | |
2104 | ||
2105 | void wxTreeCtrl::SetFocusedItem(const wxTreeItemId& item) | |
2106 | { | |
2107 | TempSetter set(m_changingSelection); | |
2108 | ||
2109 | ::SetFocus(GetHwnd(), HITEM(item)); | |
2110 | } | |
2111 | ||
2112 | void wxTreeCtrl::DoUnselectItem(const wxTreeItemId& item) | |
2113 | { | |
2114 | TempSetter set(m_changingSelection); | |
2115 | ||
2116 | ::UnselectItem(GetHwnd(), HITEM(item)); | |
2117 | } | |
2118 | ||
2119 | void wxTreeCtrl::DoToggleItemSelection(const wxTreeItemId& item) | |
2120 | { | |
2121 | TempSetter set(m_changingSelection); | |
2122 | ||
2123 | ::ToggleItemSelection(GetHwnd(), HITEM(item)); | |
2124 | } | |
2125 | ||
23fd5130 VZ |
2126 | // ---------------------------------------------------------------------------- |
2127 | // sorting stuff | |
2128 | // ---------------------------------------------------------------------------- | |
f7c832a7 | 2129 | |
502a2b18 VZ |
2130 | // this is just a tiny namespace which is friend to wxTreeCtrl and so can use |
2131 | // functions such as IsDataIndirect() | |
2132 | class wxTreeSortHelper | |
2133 | { | |
2134 | public: | |
2135 | static int CALLBACK Compare(LPARAM data1, LPARAM data2, LPARAM tree); | |
2136 | ||
2137 | private: | |
4523ebb3 | 2138 | static wxTreeItemId GetIdFromData(LPARAM lParam) |
502a2b18 | 2139 | { |
4523ebb3 | 2140 | return ((wxTreeItemParam*)lParam)->GetItem(); |
502a2b18 | 2141 | } |
502a2b18 VZ |
2142 | }; |
2143 | ||
2144 | int CALLBACK wxTreeSortHelper::Compare(LPARAM pItem1, | |
2145 | LPARAM pItem2, | |
2146 | LPARAM htree) | |
23fd5130 | 2147 | { |
096c9f9b | 2148 | wxCHECK_MSG( pItem1 && pItem2, 0, |
223d09f6 | 2149 | wxT("sorting tree without data doesn't make sense") ); |
096c9f9b | 2150 | |
502a2b18 VZ |
2151 | wxTreeCtrl *tree = (wxTreeCtrl *)htree; |
2152 | ||
4523ebb3 VZ |
2153 | return tree->OnCompareItems(GetIdFromData(pItem1), |
2154 | GetIdFromData(pItem2)); | |
23fd5130 VZ |
2155 | } |
2156 | ||
95aabccc VZ |
2157 | void wxTreeCtrl::SortChildren(const wxTreeItemId& item) |
2158 | { | |
05b2a432 RD |
2159 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
2160 | ||
95aabccc | 2161 | // rely on the fact that TreeView_SortChildren does the same thing as our |
23fd5130 VZ |
2162 | // default behaviour, i.e. sorts items alphabetically and so call it |
2163 | // directly if we're not in derived class (much more efficient!) | |
4523ebb3 VZ |
2164 | // RN: Note that if you find you're code doesn't sort as expected this |
2165 | // may be why as if you don't use the DECLARE_CLASS/IMPLEMENT_CLASS | |
2166 | // combo for your derived wxTreeCtrl if will sort without | |
2167 | // OnCompareItems | |
23fd5130 | 2168 | if ( GetClassInfo() == CLASSINFO(wxTreeCtrl) ) |
2bda0e17 | 2169 | { |
3f7bc32b | 2170 | TreeView_SortChildren(GetHwnd(), HITEM(item), 0); |
2bda0e17 | 2171 | } |
08b7c251 | 2172 | else |
2bda0e17 | 2173 | { |
62448488 | 2174 | TV_SORTCB tvSort; |
3f7bc32b | 2175 | tvSort.hParent = HITEM(item); |
502a2b18 | 2176 | tvSort.lpfnCompare = wxTreeSortHelper::Compare; |
23fd5130 | 2177 | tvSort.lParam = (LPARAM)this; |
d220ae32 | 2178 | TreeView_SortChildrenCB(GetHwnd(), &tvSort, 0 /* reserved */); |
2bda0e17 | 2179 | } |
08b7c251 | 2180 | } |
2bda0e17 | 2181 | |
08b7c251 VZ |
2182 | // ---------------------------------------------------------------------------- |
2183 | // implementation | |
2184 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 2185 | |
90c6edd7 VZ |
2186 | bool wxTreeCtrl::MSWShouldPreProcessMessage(WXMSG* msg) |
2187 | { | |
2188 | if ( msg->message == WM_KEYDOWN ) | |
2189 | { | |
6719c06a VZ |
2190 | // Only eat VK_RETURN if not being used by the application in |
2191 | // conjunction with modifiers | |
2192 | if ( (msg->wParam == VK_RETURN) && !wxIsAnyModifierDown() ) | |
90c6edd7 VZ |
2193 | { |
2194 | // we need VK_RETURN to generate wxEVT_COMMAND_TREE_ITEM_ACTIVATED | |
2195 | return false; | |
2196 | } | |
2197 | } | |
2198 | ||
2199 | return wxTreeCtrlBase::MSWShouldPreProcessMessage(msg); | |
2200 | } | |
2201 | ||
0edeeb6d | 2202 | bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id_) |
08b7c251 | 2203 | { |
0edeeb6d VZ |
2204 | const int id = (signed short)id_; |
2205 | ||
08b7c251 | 2206 | if ( cmd == EN_UPDATE ) |
2bda0e17 | 2207 | { |
08b7c251 VZ |
2208 | wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id); |
2209 | event.SetEventObject( this ); | |
2210 | ProcessCommand(event); | |
2bda0e17 | 2211 | } |
08b7c251 | 2212 | else if ( cmd == EN_KILLFOCUS ) |
2bda0e17 | 2213 | { |
08b7c251 VZ |
2214 | wxCommandEvent event(wxEVT_KILL_FOCUS, id); |
2215 | event.SetEventObject( this ); | |
2216 | ProcessCommand(event); | |
2bda0e17 | 2217 | } |
08b7c251 | 2218 | else |
2bda0e17 | 2219 | { |
08b7c251 | 2220 | // nothing done |
04cd30de | 2221 | return false; |
2bda0e17 | 2222 | } |
08b7c251 VZ |
2223 | |
2224 | // command processed | |
04cd30de | 2225 | return true; |
08b7c251 VZ |
2226 | } |
2227 | ||
3c8cbc12 VZ |
2228 | bool wxTreeCtrl::MSWIsOnItem(unsigned flags) const |
2229 | { | |
2230 | unsigned mask = TVHT_ONITEM; | |
2231 | if ( HasFlag(wxTR_FULL_ROW_HIGHLIGHT) ) | |
2232 | mask |= TVHT_ONITEMINDENT | TVHT_ONITEMRIGHT; | |
2233 | ||
2234 | return (flags & mask) != 0; | |
2235 | } | |
2236 | ||
25f701e6 | 2237 | bool wxTreeCtrl::MSWHandleSelectionKey(unsigned vkey) |
c7d9c476 VZ |
2238 | { |
2239 | const bool bCtrl = wxIsCtrlDown(); | |
2240 | const bool bShift = wxIsShiftDown(); | |
2241 | const HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd()); | |
2242 | ||
2243 | switch ( vkey ) | |
2244 | { | |
2245 | case VK_RETURN: | |
2246 | case VK_SPACE: | |
2247 | if ( !htSel ) | |
2248 | break; | |
2249 | ||
2250 | if ( vkey != VK_RETURN && bCtrl ) | |
2251 | { | |
2252 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2253 | this, htSel); | |
2254 | changingEvent.m_itemOld = htSel; | |
2255 | ||
2256 | if ( IsTreeEventAllowed(changingEvent) ) | |
2257 | { | |
7dac12ef | 2258 | DoToggleItemSelection(wxTreeItemId(htSel)); |
c7d9c476 VZ |
2259 | |
2260 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2261 | this, htSel); | |
2262 | changedEvent.m_itemOld = htSel; | |
2263 | (void)HandleTreeEvent(changedEvent); | |
2264 | } | |
2265 | } | |
2266 | else | |
2267 | { | |
2268 | wxArrayTreeItemIds selections; | |
2269 | size_t count = GetSelections(selections); | |
2270 | ||
2271 | if ( count != 1 || HITEM(selections[0]) != htSel ) | |
2272 | { | |
2273 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2274 | this, htSel); | |
2275 | changingEvent.m_itemOld = htSel; | |
2276 | ||
2277 | if ( IsTreeEventAllowed(changingEvent) ) | |
2278 | { | |
2279 | DoUnselectAll(); | |
7dac12ef | 2280 | DoSelectItem(wxTreeItemId(htSel)); |
c7d9c476 VZ |
2281 | |
2282 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2283 | this, htSel); | |
2284 | changedEvent.m_itemOld = htSel; | |
2285 | (void)HandleTreeEvent(changedEvent); | |
2286 | } | |
2287 | } | |
2288 | } | |
2289 | break; | |
2290 | ||
2291 | case VK_UP: | |
2292 | case VK_DOWN: | |
2293 | if ( !bCtrl && !bShift ) | |
2294 | { | |
2295 | wxArrayTreeItemIds selections; | |
c7d9c476 VZ |
2296 | wxTreeItemId next; |
2297 | ||
7dac12ef | 2298 | if ( htSel ) |
c7d9c476 VZ |
2299 | { |
2300 | next = vkey == VK_UP | |
2301 | ? TreeView_GetPrevVisible(GetHwnd(), htSel) | |
2302 | : TreeView_GetNextVisible(GetHwnd(), htSel); | |
2303 | } | |
2304 | else | |
2305 | { | |
2306 | next = GetRootItem(); | |
2307 | ||
2308 | if ( IsHiddenRoot(next) ) | |
2309 | next = TreeView_GetChild(GetHwnd(), HITEM(next)); | |
c7d9c476 VZ |
2310 | } |
2311 | ||
2312 | if ( !next.IsOk() ) | |
2313 | { | |
2314 | break; | |
2315 | } | |
2316 | ||
2317 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2318 | this, next); | |
2319 | changingEvent.m_itemOld = htSel; | |
2320 | ||
2321 | if ( IsTreeEventAllowed(changingEvent) ) | |
2322 | { | |
2323 | DoUnselectAll(); | |
7dac12ef VZ |
2324 | DoSelectItem(next); |
2325 | SetFocusedItem(next); | |
c7d9c476 VZ |
2326 | |
2327 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2328 | this, next); | |
2329 | changedEvent.m_itemOld = htSel; | |
2330 | (void)HandleTreeEvent(changedEvent); | |
2331 | } | |
2332 | } | |
2333 | else if ( htSel ) | |
2334 | { | |
2335 | wxTreeItemId next = vkey == VK_UP | |
2336 | ? TreeView_GetPrevVisible(GetHwnd(), htSel) | |
2337 | : TreeView_GetNextVisible(GetHwnd(), htSel); | |
2338 | ||
2339 | if ( !next.IsOk() ) | |
2340 | { | |
2341 | break; | |
2342 | } | |
2343 | ||
2344 | if ( !m_htSelStart ) | |
2345 | { | |
2346 | m_htSelStart = htSel; | |
2347 | } | |
2348 | ||
2349 | if ( bShift && SelectRange(GetHwnd(), HITEM(m_htSelStart), HITEM(next), | |
2350 | SR_UNSELECT_OTHERS | SR_SIMULATE) ) | |
2351 | { | |
2352 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, next); | |
2353 | changingEvent.m_itemOld = htSel; | |
2354 | ||
2355 | if ( IsTreeEventAllowed(changingEvent) ) | |
2356 | { | |
2357 | SelectRange(GetHwnd(), HITEM(m_htSelStart), HITEM(next), | |
2358 | SR_UNSELECT_OTHERS); | |
2359 | ||
2360 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, this, next); | |
2361 | changedEvent.m_itemOld = htSel; | |
2362 | (void)HandleTreeEvent(changedEvent); | |
2363 | } | |
2364 | } | |
2365 | ||
7dac12ef | 2366 | SetFocusedItem(next); |
c7d9c476 VZ |
2367 | } |
2368 | break; | |
2369 | ||
2370 | case VK_LEFT: | |
2371 | if ( HasChildren(htSel) && IsExpanded(htSel) ) | |
2372 | { | |
2373 | Collapse(htSel); | |
2374 | } | |
2375 | else | |
2376 | { | |
2377 | wxTreeItemId next = GetItemParent(htSel); | |
2378 | ||
2379 | if ( next.IsOk() && !IsHiddenRoot(next) ) | |
2380 | { | |
2381 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2382 | this, next); | |
2383 | changingEvent.m_itemOld = htSel; | |
2384 | ||
2385 | if ( IsTreeEventAllowed(changingEvent) ) | |
2386 | { | |
2387 | DoUnselectAll(); | |
7dac12ef VZ |
2388 | DoSelectItem(next); |
2389 | SetFocusedItem(next); | |
c7d9c476 VZ |
2390 | |
2391 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2392 | this, next); | |
2393 | changedEvent.m_itemOld = htSel; | |
2394 | (void)HandleTreeEvent(changedEvent); | |
2395 | } | |
2396 | } | |
2397 | } | |
2398 | break; | |
2399 | ||
2400 | case VK_RIGHT: | |
2401 | if ( !IsVisible(htSel) ) | |
2402 | { | |
2403 | EnsureVisible(htSel); | |
2404 | } | |
2405 | ||
2406 | if ( !HasChildren(htSel) ) | |
2407 | break; | |
2408 | ||
2409 | if ( !IsExpanded(htSel) ) | |
2410 | { | |
2411 | Expand(htSel); | |
2412 | } | |
2413 | else | |
2414 | { | |
2415 | wxTreeItemId next = TreeView_GetChild(GetHwnd(), htSel); | |
2416 | ||
2417 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, next); | |
2418 | changingEvent.m_itemOld = htSel; | |
2419 | ||
2420 | if ( IsTreeEventAllowed(changingEvent) ) | |
2421 | { | |
2422 | DoUnselectAll(); | |
7dac12ef VZ |
2423 | DoSelectItem(next); |
2424 | SetFocusedItem(next); | |
c7d9c476 VZ |
2425 | |
2426 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, this, next); | |
2427 | changedEvent.m_itemOld = htSel; | |
2428 | (void)HandleTreeEvent(changedEvent); | |
2429 | } | |
2430 | } | |
2431 | break; | |
2432 | ||
2433 | case VK_HOME: | |
2434 | case VK_END: | |
2435 | { | |
2436 | wxTreeItemId next = GetRootItem(); | |
2437 | ||
2438 | if ( IsHiddenRoot(next) ) | |
2439 | { | |
2440 | next = TreeView_GetChild(GetHwnd(), HITEM(next)); | |
2441 | } | |
2442 | ||
2443 | if ( !next.IsOk() ) | |
2444 | break; | |
2445 | ||
2446 | if ( vkey == VK_END ) | |
2447 | { | |
2448 | for ( ;; ) | |
2449 | { | |
2450 | wxTreeItemId nextTemp = TreeView_GetNextVisible( | |
2451 | GetHwnd(), HITEM(next)); | |
2452 | ||
2453 | if ( !nextTemp.IsOk() ) | |
2454 | break; | |
2455 | ||
2456 | next = nextTemp; | |
2457 | } | |
2458 | } | |
2459 | ||
2460 | if ( htSel == HITEM(next) ) | |
2461 | break; | |
2462 | ||
2463 | if ( bShift ) | |
2464 | { | |
2465 | if ( !m_htSelStart ) | |
2466 | { | |
2467 | m_htSelStart = htSel; | |
2468 | } | |
2469 | ||
2470 | if ( SelectRange(GetHwnd(), | |
2471 | HITEM(m_htSelStart), HITEM(next), | |
2472 | SR_UNSELECT_OTHERS | SR_SIMULATE) ) | |
2473 | { | |
2474 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2475 | this, next); | |
2476 | changingEvent.m_itemOld = htSel; | |
2477 | ||
2478 | if ( IsTreeEventAllowed(changingEvent) ) | |
2479 | { | |
2480 | SelectRange(GetHwnd(), | |
2481 | HITEM(m_htSelStart), HITEM(next), | |
2482 | SR_UNSELECT_OTHERS); | |
7dac12ef | 2483 | SetFocusedItem(next); |
c7d9c476 VZ |
2484 | |
2485 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2486 | this, next); | |
2487 | changedEvent.m_itemOld = htSel; | |
2488 | (void)HandleTreeEvent(changedEvent); | |
2489 | } | |
2490 | } | |
2491 | } | |
2492 | else // no Shift | |
2493 | { | |
2494 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2495 | this, next); | |
2496 | changingEvent.m_itemOld = htSel; | |
2497 | ||
2498 | if ( IsTreeEventAllowed(changingEvent) ) | |
2499 | { | |
2500 | DoUnselectAll(); | |
7dac12ef VZ |
2501 | DoSelectItem(next); |
2502 | SetFocusedItem(next); | |
c7d9c476 VZ |
2503 | |
2504 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2505 | this, next); | |
2506 | changedEvent.m_itemOld = htSel; | |
2507 | (void)HandleTreeEvent(changedEvent); | |
2508 | } | |
2509 | } | |
2510 | } | |
2511 | break; | |
2512 | ||
2513 | case VK_PRIOR: | |
2514 | case VK_NEXT: | |
2515 | if ( bCtrl ) | |
2516 | { | |
2517 | wxTreeItemId firstVisible = GetFirstVisibleItem(); | |
2518 | size_t visibleCount = TreeView_GetVisibleCount(GetHwnd()); | |
2519 | wxTreeItemId nextAdjacent = (vkey == VK_PRIOR) ? | |
2520 | TreeView_GetPrevVisible(GetHwnd(), HITEM(firstVisible)) : | |
2521 | TreeView_GetNextVisible(GetHwnd(), HITEM(firstVisible)); | |
2522 | ||
2523 | if ( !nextAdjacent ) | |
2524 | { | |
2525 | break; | |
2526 | } | |
2527 | ||
2528 | wxTreeItemId nextStart = firstVisible; | |
2529 | ||
2530 | for ( size_t n = 1; n < visibleCount; n++ ) | |
2531 | { | |
2532 | wxTreeItemId nextTemp = (vkey == VK_PRIOR) ? | |
2533 | TreeView_GetPrevVisible(GetHwnd(), HITEM(nextStart)) : | |
2534 | TreeView_GetNextVisible(GetHwnd(), HITEM(nextStart)); | |
2535 | ||
2536 | if ( nextTemp.IsOk() ) | |
2537 | { | |
2538 | nextStart = nextTemp; | |
2539 | } | |
2540 | else | |
2541 | { | |
2542 | break; | |
2543 | } | |
2544 | } | |
2545 | ||
2546 | EnsureVisible(nextStart); | |
2547 | ||
2548 | if ( vkey == VK_NEXT ) | |
2549 | { | |
2550 | wxTreeItemId nextEnd = nextStart; | |
2551 | ||
2552 | for ( size_t n = 1; n < visibleCount; n++ ) | |
2553 | { | |
2554 | wxTreeItemId nextTemp = | |
2555 | TreeView_GetNextVisible(GetHwnd(), HITEM(nextEnd)); | |
2556 | ||
2557 | if ( nextTemp.IsOk() ) | |
2558 | { | |
2559 | nextEnd = nextTemp; | |
2560 | } | |
2561 | else | |
2562 | { | |
2563 | break; | |
2564 | } | |
2565 | } | |
2566 | ||
2567 | EnsureVisible(nextEnd); | |
2568 | } | |
2569 | } | |
2570 | else // no Ctrl | |
2571 | { | |
2572 | size_t visibleCount = TreeView_GetVisibleCount(GetHwnd()); | |
2573 | wxTreeItemId nextAdjacent = (vkey == VK_PRIOR) ? | |
2574 | TreeView_GetPrevVisible(GetHwnd(), htSel) : | |
2575 | TreeView_GetNextVisible(GetHwnd(), htSel); | |
2576 | ||
2577 | if ( !nextAdjacent ) | |
2578 | { | |
2579 | break; | |
2580 | } | |
2581 | ||
2582 | wxTreeItemId next(htSel); | |
2583 | ||
2584 | for ( size_t n = 1; n < visibleCount; n++ ) | |
2585 | { | |
2586 | wxTreeItemId nextTemp = vkey == VK_PRIOR ? | |
2587 | TreeView_GetPrevVisible(GetHwnd(), HITEM(next)) : | |
2588 | TreeView_GetNextVisible(GetHwnd(), HITEM(next)); | |
2589 | ||
2590 | if ( !nextTemp.IsOk() ) | |
2591 | break; | |
2592 | ||
2593 | next = nextTemp; | |
2594 | } | |
2595 | ||
2596 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2597 | this, next); | |
2598 | changingEvent.m_itemOld = htSel; | |
2599 | ||
2600 | if ( IsTreeEventAllowed(changingEvent) ) | |
2601 | { | |
2602 | DoUnselectAll(); | |
2603 | m_htSelStart.Unset(); | |
7dac12ef VZ |
2604 | DoSelectItem(next); |
2605 | SetFocusedItem(next); | |
c7d9c476 VZ |
2606 | |
2607 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2608 | this, next); | |
2609 | changedEvent.m_itemOld = htSel; | |
2610 | (void)HandleTreeEvent(changedEvent); | |
2611 | } | |
2612 | } | |
2613 | break; | |
2614 | ||
2615 | default: | |
2616 | return false; | |
2617 | } | |
2618 | ||
2619 | return true; | |
2620 | } | |
2621 | ||
aa8166dd VZ |
2622 | bool wxTreeCtrl::MSWHandleTreeKeyDownEvent(WXWPARAM wParam, WXLPARAM lParam) |
2623 | { | |
2624 | wxTreeEvent keyEvent(wxEVT_COMMAND_TREE_KEY_DOWN, this); | |
2625 | ||
2626 | int keyCode = wxCharCodeMSWToWX(wParam); | |
2627 | ||
2628 | if ( !keyCode ) | |
2629 | { | |
2630 | // wxCharCodeMSWToWX() returns 0 to indicate that this is a | |
2631 | // simple ASCII key | |
2632 | keyCode = wParam; | |
2633 | } | |
2634 | ||
2635 | keyEvent.m_evtKey = CreateKeyEvent(wxEVT_KEY_DOWN, keyCode, | |
2636 | lParam, wParam); | |
2637 | ||
2638 | bool processed = HandleTreeEvent(keyEvent); | |
2639 | ||
2640 | // generate a separate event for Space/Return | |
2641 | if ( !wxIsCtrlDown() && !wxIsShiftDown() && !wxIsAltDown() && | |
2642 | ((wParam == VK_SPACE) || (wParam == VK_RETURN)) ) | |
2643 | { | |
2644 | const HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd()); | |
2645 | if ( htSel ) | |
2646 | { | |
2647 | wxTreeEvent activatedEvent(wxEVT_COMMAND_TREE_ITEM_ACTIVATED, | |
2648 | this, htSel); | |
2649 | (void)HandleTreeEvent(activatedEvent); | |
2650 | } | |
2651 | } | |
2652 | ||
2653 | return processed; | |
2654 | } | |
2655 | ||
23f681ec VZ |
2656 | // we hook into WndProc to process WM_MOUSEMOVE/WM_BUTTONUP messages - as we |
2657 | // only do it during dragging, minimize wxWin overhead (this is important for | |
2658 | // WM_MOUSEMOVE as they're a lot of them) by catching Windows messages directly | |
2659 | // instead of passing by wxWin events | |
c7d9c476 VZ |
2660 | WXLRESULT |
2661 | wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) | |
23f681ec | 2662 | { |
04cd30de | 2663 | bool processed = false; |
c140b7e7 | 2664 | WXLRESULT rc = 0; |
2b9a7d4c | 2665 | bool isMultiple = HasFlag(wxTR_MULTIPLE); |
3f7bc32b | 2666 | |
499bbaeb | 2667 | if ( nMsg == WM_CONTEXTMENU ) |
30f5e34f | 2668 | { |
147964ca KH |
2669 | int x = GET_X_LPARAM(lParam), |
2670 | y = GET_Y_LPARAM(lParam); | |
8f6dc819 VZ |
2671 | |
2672 | // the item for which the menu should be shown | |
2673 | wxTreeItemId item; | |
2674 | ||
2675 | // the position where the menu should be shown in client coordinates | |
2676 | // (so that it can be passed directly to PopupMenu()) | |
2677 | wxPoint pt; | |
2678 | ||
2679 | if ( x == -1 || y == -1 ) | |
147964ca | 2680 | { |
8f6dc819 VZ |
2681 | // this means that the event was generated from keyboard (e.g. with |
2682 | // Shift-F10 or special Windows menu key) | |
2683 | // | |
2684 | // use the Explorer standard of putting the menu at the left edge | |
2685 | // of the text, in the vertical middle of the text | |
2686 | item = wxTreeItemId(TreeView_GetSelection(GetHwnd())); | |
2687 | if ( item.IsOk() ) | |
2688 | { | |
2689 | // Use the bounding rectangle of only the text part | |
2690 | wxRect rect; | |
2691 | GetBoundingRect(item, rect, true); | |
2692 | pt = wxPoint(rect.GetX(), rect.GetY() + rect.GetHeight() / 2); | |
2693 | } | |
147964ca | 2694 | } |
8f6dc819 | 2695 | else // event from mouse, use mouse position |
147964ca | 2696 | { |
8f6dc819 VZ |
2697 | pt = ScreenToClient(wxPoint(x, y)); |
2698 | ||
2699 | TV_HITTESTINFO tvhti; | |
2700 | tvhti.pt.x = pt.x; | |
2701 | tvhti.pt.y = pt.y; | |
c7d9c476 | 2702 | |
8f6dc819 VZ |
2703 | if ( TreeView_HitTest(GetHwnd(), &tvhti) ) |
2704 | item = wxTreeItemId(tvhti.hItem); | |
147964ca KH |
2705 | } |
2706 | ||
8f6dc819 VZ |
2707 | // create the event |
2708 | wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_MENU, this, item); | |
2709 | ||
2710 | event.m_pointDrag = pt; | |
2711 | ||
c7d9c476 | 2712 | if ( HandleTreeEvent(event) ) |
2b9a7d4c | 2713 | processed = true; |
9994e2da | 2714 | //else: continue with generating wxEVT_CONTEXT_MENU in base class code |
30f5e34f | 2715 | } |
2b9a7d4c | 2716 | else if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) ) |
23f681ec | 2717 | { |
7bb8798c VZ |
2718 | // we only process mouse messages here and these parameters have the |
2719 | // same meaning for all of them | |
3f7bc32b VZ |
2720 | int x = GET_X_LPARAM(lParam), |
2721 | y = GET_Y_LPARAM(lParam); | |
8ecd5de2 | 2722 | |
e3ad5702 JS |
2723 | TV_HITTESTINFO tvht; |
2724 | tvht.pt.x = x; | |
2725 | tvht.pt.y = y; | |
8ecd5de2 | 2726 | |
c7d9c476 | 2727 | HTREEITEM htOldItem = TreeView_GetSelection(GetHwnd()); |
8854a202 | 2728 | HTREEITEM htItem = TreeView_HitTest(GetHwnd(), &tvht); |
3f7bc32b | 2729 | |
23f681ec VZ |
2730 | switch ( nMsg ) |
2731 | { | |
3f7bc32b | 2732 | case WM_LBUTTONDOWN: |
c7d9c476 VZ |
2733 | if ( !isMultiple ) |
2734 | break; | |
2735 | ||
c7d9c476 VZ |
2736 | m_htClickedItem.Unset(); |
2737 | ||
3c8cbc12 | 2738 | if ( !MSWIsOnItem(tvht.flags) ) |
23f681ec | 2739 | { |
f2fec40d | 2740 | if ( tvht.flags & TVHT_ONITEMBUTTON ) |
c7d9c476 | 2741 | { |
f2fec40d VZ |
2742 | // either it's going to be handled by user code or |
2743 | // we're going to use it ourselves to toggle the | |
2744 | // branch, in either case don't pass it to the base | |
2745 | // class which would generate another mouse click event | |
2746 | // for it even though it's already handled here | |
2747 | processed = true; | |
2748 | SetFocus(); | |
2749 | ||
2750 | if ( !HandleMouseEvent(nMsg, x, y, wParam) ) | |
c7d9c476 VZ |
2751 | { |
2752 | if ( !IsExpanded(htItem) ) | |
2753 | { | |
2754 | Expand(htItem); | |
2755 | } | |
2756 | else | |
2757 | { | |
2758 | Collapse(htItem); | |
2759 | } | |
2760 | } | |
2761 | } | |
8ecd5de2 | 2762 | |
7dac12ef | 2763 | m_focusLost = false; |
c7d9c476 VZ |
2764 | break; |
2765 | } | |
2766 | ||
7dac12ef | 2767 | processed = true; |
c7d9c476 VZ |
2768 | SetFocus(); |
2769 | m_htClickedItem = (WXHTREEITEM) htItem; | |
2770 | m_ptClick = wxPoint(x, y); | |
2771 | ||
2772 | if ( wParam & MK_CONTROL ) | |
2773 | { | |
2774 | if ( HandleMouseEvent(nMsg, x, y, wParam) ) | |
3f7bc32b | 2775 | { |
c7d9c476 VZ |
2776 | m_htClickedItem.Unset(); |
2777 | break; | |
2778 | } | |
23f681ec | 2779 | |
c7d9c476 VZ |
2780 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, |
2781 | this, htItem); | |
2782 | changingEvent.m_itemOld = htOldItem; | |
2783 | ||
2784 | if ( IsTreeEventAllowed(changingEvent) ) | |
2785 | { | |
3f7bc32b | 2786 | // toggle selected state |
7dac12ef | 2787 | DoToggleItemSelection(wxTreeItemId(htItem)); |
3f7bc32b | 2788 | |
7dac12ef | 2789 | SetFocusedItem(wxTreeItemId(htItem)); |
3f7bc32b VZ |
2790 | |
2791 | // reset on any click without Shift | |
f888d614 | 2792 | m_htSelStart.Unset(); |
3f7bc32b | 2793 | |
c7d9c476 VZ |
2794 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, |
2795 | this, htItem); | |
2796 | changedEvent.m_itemOld = htOldItem; | |
2797 | (void)HandleTreeEvent(changedEvent); | |
3f7bc32b | 2798 | } |
c7d9c476 VZ |
2799 | } |
2800 | else if ( wParam & MK_SHIFT ) | |
2801 | { | |
2802 | if ( HandleMouseEvent(nMsg, x, y, wParam) ) | |
3f7bc32b | 2803 | { |
c7d9c476 VZ |
2804 | m_htClickedItem.Unset(); |
2805 | break; | |
2806 | } | |
3f7bc32b | 2807 | |
c7d9c476 VZ |
2808 | int srFlags = 0; |
2809 | bool willChange = true; | |
3f7bc32b | 2810 | |
c7d9c476 VZ |
2811 | if ( !(wParam & MK_CONTROL) ) |
2812 | { | |
2813 | srFlags |= SR_UNSELECT_OTHERS; | |
2814 | } | |
23f681ec | 2815 | |
c7d9c476 VZ |
2816 | if ( !m_htSelStart ) |
2817 | { | |
2818 | // take the focused item | |
2819 | m_htSelStart = htOldItem; | |
3f7bc32b | 2820 | } |
c7d9c476 | 2821 | else |
3f7bc32b | 2822 | { |
c7d9c476 VZ |
2823 | willChange = SelectRange(GetHwnd(), HITEM(m_htSelStart), |
2824 | htItem, srFlags | SR_SIMULATE); | |
2825 | } | |
8ecd5de2 | 2826 | |
c7d9c476 VZ |
2827 | if ( willChange ) |
2828 | { | |
2829 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2830 | this, htItem); | |
2831 | changingEvent.m_itemOld = htOldItem; | |
5e7718a2 | 2832 | |
c7d9c476 | 2833 | if ( IsTreeEventAllowed(changingEvent) ) |
df4ac4c7 | 2834 | { |
c7d9c476 VZ |
2835 | // this selects all items between the starting one |
2836 | // and the current | |
2837 | if ( m_htSelStart ) | |
2838 | { | |
2839 | SelectRange(GetHwnd(), HITEM(m_htSelStart), | |
2840 | htItem, srFlags); | |
2841 | } | |
2842 | else | |
35cf1ec6 | 2843 | { |
7dac12ef | 2844 | DoSelectItem(wxTreeItemId(htItem)); |
c7d9c476 | 2845 | } |
35cf1ec6 | 2846 | |
7dac12ef | 2847 | SetFocusedItem(wxTreeItemId(htItem)); |
35cf1ec6 | 2848 | |
c7d9c476 VZ |
2849 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, |
2850 | this, htItem); | |
2851 | changedEvent.m_itemOld = htOldItem; | |
2852 | (void)HandleTreeEvent(changedEvent); | |
2853 | } | |
2854 | } | |
2855 | } | |
2856 | else // normal click | |
2857 | { | |
2858 | // avoid doing anything if we click on the only | |
2859 | // currently selected item | |
2860 | ||
2861 | wxArrayTreeItemIds selections; | |
2862 | size_t count = GetSelections(selections); | |
2863 | ||
2864 | if ( count == 0 || | |
2865 | count > 1 || | |
2866 | HITEM(selections[0]) != htItem ) | |
2867 | { | |
2868 | if ( HandleMouseEvent(nMsg, x, y, wParam) ) | |
2869 | { | |
2870 | m_htClickedItem.Unset(); | |
2871 | break; | |
2872 | } | |
2873 | ||
2874 | // clear the previously selected items, if the user | |
2875 | // clicked outside of the present selection, otherwise, | |
2876 | // perform the deselection on mouse-up, this allows | |
2877 | // multiple drag and drop to work. | |
c7d9c476 VZ |
2878 | if ( !IsItemSelected(GetHwnd(), htItem)) |
2879 | { | |
2880 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2881 | this, htItem); | |
2882 | changingEvent.m_itemOld = htOldItem; | |
2883 | ||
2884 | if ( IsTreeEventAllowed(changingEvent) ) | |
2885 | { | |
2886 | DoUnselectAll(); | |
7dac12ef VZ |
2887 | DoSelectItem(wxTreeItemId(htItem)); |
2888 | SetFocusedItem(wxTreeItemId(htItem)); | |
c7d9c476 VZ |
2889 | |
2890 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2891 | this, htItem); | |
2892 | changedEvent.m_itemOld = htOldItem; | |
2893 | (void)HandleTreeEvent(changedEvent); | |
35cf1ec6 | 2894 | } |
c7d9c476 VZ |
2895 | } |
2896 | else | |
2897 | { | |
7dac12ef | 2898 | SetFocusedItem(wxTreeItemId(htItem)); |
d301c440 | 2899 | m_mouseUpDeselect = true; |
df4ac4c7 | 2900 | } |
c7d9c476 VZ |
2901 | } |
2902 | else // click on a single selected item | |
2903 | { | |
2904 | // don't interfere with the default processing in | |
2905 | // WM_MOUSEMOVE handler below as the default window | |
2906 | // proc will start the drag itself if we let have | |
2907 | // WM_LBUTTONDOWN | |
2908 | m_htClickedItem.Unset(); | |
2909 | ||
2910 | // prevent in-place editing from starting if focus lost | |
2911 | // since previous click | |
2912 | if ( m_focusLost ) | |
b8e3f1cf | 2913 | { |
7dac12ef VZ |
2914 | ClearFocusedItem(); |
2915 | DoSelectItem(wxTreeItemId(htItem)); | |
2916 | SetFocusedItem(wxTreeItemId(htItem)); | |
2917 | } | |
2918 | else | |
2919 | { | |
2920 | processed = false; | |
b8e3f1cf | 2921 | } |
c7d9c476 VZ |
2922 | } |
2923 | ||
2924 | // reset on any click without Shift | |
2925 | m_htSelStart.Unset(); | |
2926 | } | |
2927 | ||
2928 | m_focusLost = false; | |
2929 | ||
2930 | // we consumed the event so we need to trigger state image | |
2931 | // click if needed | |
2932 | if ( processed ) | |
2933 | { | |
2934 | int htFlags = 0; | |
2935 | wxTreeItemId item = HitTest(wxPoint(x, y), htFlags); | |
2936 | ||
2937 | if ( htFlags & wxTREE_HITTEST_ONITEMSTATEICON ) | |
2938 | { | |
2939 | m_triggerStateImageClick = true; | |
3f7bc32b VZ |
2940 | } |
2941 | } | |
2942 | break; | |
3f7bc32b | 2943 | |
e0bf68d6 | 2944 | case WM_RBUTTONDOWN: |
c7d9c476 VZ |
2945 | if ( !isMultiple ) |
2946 | break; | |
2947 | ||
2948 | processed = true; | |
2949 | SetFocus(); | |
2950 | ||
2951 | if ( HandleMouseEvent(nMsg, x, y, wParam) || !htItem ) | |
2952 | { | |
2953 | break; | |
2954 | } | |
2955 | ||
e0bf68d6 VZ |
2956 | // default handler removes the highlight from the currently |
2957 | // focused item when right mouse button is pressed on another | |
2958 | // one but keeps the remaining items highlighted, which is | |
c7d9c476 VZ |
2959 | // confusing, so override this default behaviour |
2960 | if ( !IsItemSelected(GetHwnd(), htItem) ) | |
e0bf68d6 | 2961 | { |
c7d9c476 VZ |
2962 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, |
2963 | this, htItem); | |
2964 | changingEvent.m_itemOld = htOldItem; | |
2965 | ||
2966 | if ( IsTreeEventAllowed(changingEvent) ) | |
e0bf68d6 | 2967 | { |
c7d9c476 | 2968 | DoUnselectAll(); |
7dac12ef VZ |
2969 | DoSelectItem(wxTreeItemId(htItem)); |
2970 | SetFocusedItem(wxTreeItemId(htItem)); | |
e0bf68d6 | 2971 | |
c7d9c476 VZ |
2972 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, |
2973 | this, htItem); | |
2974 | changedEvent.m_itemOld = htOldItem; | |
2975 | (void)HandleTreeEvent(changedEvent); | |
2976 | } | |
e0bf68d6 | 2977 | } |
c7d9c476 | 2978 | |
e0bf68d6 VZ |
2979 | break; |
2980 | ||
3f7bc32b | 2981 | case WM_MOUSEMOVE: |
68fc69f3 | 2982 | #ifndef __WXWINCE__ |
e3ad5702 JS |
2983 | if ( m_htClickedItem ) |
2984 | { | |
2985 | int cx = abs(m_ptClick.x - x); | |
2986 | int cy = abs(m_ptClick.y - y); | |
2987 | ||
b8e3f1cf VZ |
2988 | if ( cx > ::GetSystemMetrics(SM_CXDRAG) || |
2989 | cy > ::GetSystemMetrics(SM_CYDRAG) ) | |
e3ad5702 | 2990 | { |
b8e3f1cf VZ |
2991 | NM_TREEVIEW tv; |
2992 | wxZeroMemory(tv); | |
e3ad5702 | 2993 | |
b8e3f1cf VZ |
2994 | tv.hdr.hwndFrom = GetHwnd(); |
2995 | tv.hdr.idFrom = ::GetWindowLong(GetHwnd(), GWL_ID); | |
2996 | tv.hdr.code = TVN_BEGINDRAG; | |
8ecd5de2 | 2997 | |
b8e3f1cf | 2998 | tv.itemNew.hItem = HITEM(m_htClickedItem); |
8ecd5de2 | 2999 | |
8ecd5de2 | 3000 | |
b8e3f1cf VZ |
3001 | TVITEM tviAux; |
3002 | wxZeroMemory(tviAux); | |
8ecd5de2 | 3003 | |
b8e3f1cf VZ |
3004 | tviAux.hItem = HITEM(m_htClickedItem); |
3005 | tviAux.mask = TVIF_STATE | TVIF_PARAM; | |
3006 | tviAux.stateMask = 0xffffffff; | |
3007 | TreeView_GetItem(GetHwnd(), &tviAux); | |
8ecd5de2 | 3008 | |
b8e3f1cf VZ |
3009 | tv.itemNew.state = tviAux.state; |
3010 | tv.itemNew.lParam = tviAux.lParam; | |
3011 | ||
3012 | tv.ptDrag.x = x; | |
3013 | tv.ptDrag.y = y; | |
3014 | ||
3015 | // do it before SendMessage() call below to avoid | |
3016 | // reentrancies here if there is another WM_MOUSEMOVE | |
3017 | // in the queue already | |
e3ad5702 | 3018 | m_htClickedItem.Unset(); |
b8e3f1cf VZ |
3019 | |
3020 | ::SendMessage(GetHwndOf(GetParent()), WM_NOTIFY, | |
3021 | tv.hdr.idFrom, (LPARAM)&tv ); | |
3022 | ||
3023 | // don't pass it to the default window proc, it would | |
3024 | // start dragging again | |
3025 | processed = true; | |
e3ad5702 | 3026 | } |
e3ad5702 | 3027 | } |
68fc69f3 | 3028 | #endif // __WXWINCE__ |
8ecd5de2 | 3029 | |
68d9be05 | 3030 | #if wxUSE_DRAGIMAGE |
3f7bc32b VZ |
3031 | if ( m_dragImage ) |
3032 | { | |
afff720b | 3033 | m_dragImage->Move(wxPoint(x, y)); |
3f7bc32b | 3034 | if ( htItem ) |
23f681ec VZ |
3035 | { |
3036 | // highlight the item as target (hiding drag image is | |
3037 | // necessary - otherwise the display will be corrupted) | |
68be9f09 | 3038 | m_dragImage->Hide(); |
3f7bc32b | 3039 | TreeView_SelectDropTarget(GetHwnd(), htItem); |
68be9f09 | 3040 | m_dragImage->Show(); |
23f681ec VZ |
3041 | } |
3042 | } | |
68d9be05 | 3043 | #endif // wxUSE_DRAGIMAGE |
23f681ec VZ |
3044 | break; |
3045 | ||
3046 | case WM_LBUTTONUP: | |
c7d9c476 | 3047 | if ( isMultiple ) |
35cf1ec6 | 3048 | { |
d301c440 | 3049 | // deselect other items if needed |
c7d9c476 | 3050 | if ( htItem ) |
35cf1ec6 | 3051 | { |
d301c440 | 3052 | if ( m_mouseUpDeselect ) |
c7d9c476 | 3053 | { |
d301c440 VZ |
3054 | m_mouseUpDeselect = false; |
3055 | ||
c7d9c476 VZ |
3056 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, |
3057 | this, htItem); | |
3058 | changingEvent.m_itemOld = htOldItem; | |
3059 | ||
3060 | if ( IsTreeEventAllowed(changingEvent) ) | |
3061 | { | |
3062 | DoUnselectAll(); | |
7dac12ef VZ |
3063 | DoSelectItem(wxTreeItemId(htItem)); |
3064 | SetFocusedItem(wxTreeItemId(htItem)); | |
c7d9c476 VZ |
3065 | |
3066 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
3067 | this, htItem); | |
3068 | changedEvent.m_itemOld = htOldItem; | |
3069 | (void)HandleTreeEvent(changedEvent); | |
3070 | } | |
3071 | } | |
35cf1ec6 | 3072 | } |
c7d9c476 | 3073 | |
e3ad5702 | 3074 | m_htClickedItem.Unset(); |
c7d9c476 VZ |
3075 | |
3076 | if ( m_triggerStateImageClick ) | |
3077 | { | |
3078 | if ( tvht.flags & TVHT_ONITEMSTATEICON ) | |
3079 | { | |
3080 | wxTreeEvent event(wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK, | |
3081 | this, htItem); | |
3082 | (void)HandleTreeEvent(event); | |
3083 | ||
3084 | m_triggerStateImageClick = false; | |
3085 | processed = true; | |
3086 | } | |
3087 | } | |
3088 | ||
3c8cbc12 | 3089 | if ( !m_dragStarted && MSWIsOnItem(tvht.flags) ) |
c7d9c476 VZ |
3090 | { |
3091 | processed = true; | |
3092 | } | |
35cf1ec6 VZ |
3093 | } |
3094 | ||
3095 | // fall through | |
3096 | ||
23f681ec | 3097 | case WM_RBUTTONUP: |
68d9be05 | 3098 | #if wxUSE_DRAGIMAGE |
3f7bc32b | 3099 | if ( m_dragImage ) |
23f681ec | 3100 | { |
68be9f09 | 3101 | m_dragImage->EndDrag(); |
23f681ec VZ |
3102 | delete m_dragImage; |
3103 | m_dragImage = NULL; | |
3104 | ||
3105 | // generate the drag end event | |
c7d9c476 VZ |
3106 | wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, |
3107 | this, htItem); | |
72e61024 | 3108 | event.m_pointDrag = wxPoint(x, y); |
c7d9c476 | 3109 | (void)HandleTreeEvent(event); |
225fe9d6 VZ |
3110 | |
3111 | // if we don't do it, the tree seems to think that 2 items | |
3112 | // are selected simultaneously which is quite weird | |
3113 | TreeView_SelectDropTarget(GetHwnd(), 0); | |
23f681ec | 3114 | } |
68d9be05 | 3115 | #endif // wxUSE_DRAGIMAGE |
c7d9c476 VZ |
3116 | |
3117 | if ( isMultiple && nMsg == WM_RBUTTONUP ) | |
3118 | { | |
3119 | // send NM_RCLICK | |
3120 | NMHDR nmhdr; | |
3121 | nmhdr.hwndFrom = GetHwnd(); | |
3122 | nmhdr.idFrom = ::GetWindowLong(GetHwnd(), GWL_ID); | |
3123 | nmhdr.code = NM_RCLICK; | |
3124 | ::SendMessage(::GetParent(GetHwnd()), WM_NOTIFY, | |
3125 | nmhdr.idFrom, (LPARAM)&nmhdr); | |
3126 | processed = true; | |
3127 | } | |
3128 | ||
3129 | m_dragStarted = false; | |
3130 | ||
23f681ec VZ |
3131 | break; |
3132 | } | |
3133 | } | |
c7d9c476 | 3134 | else if ( (nMsg == WM_SETFOCUS || nMsg == WM_KILLFOCUS) ) |
3f7bc32b | 3135 | { |
c7d9c476 | 3136 | if ( isMultiple ) |
3f7bc32b | 3137 | { |
c7d9c476 VZ |
3138 | // the tree control greys out the selected item when it loses focus |
3139 | // and paints it as selected again when it regains it, but it won't | |
3140 | // do it for the other items itself - help it | |
3141 | wxArrayTreeItemIds selections; | |
3142 | size_t count = GetSelections(selections); | |
3143 | RECT rect; | |
3144 | ||
3145 | for ( size_t n = 0; n < count; n++ ) | |
3f7bc32b | 3146 | { |
c7d9c476 VZ |
3147 | // TreeView_GetItemRect() will return false if item is not |
3148 | // visible, which may happen perfectly well | |
3149 | if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]), | |
3150 | &rect, TRUE) ) | |
3151 | { | |
3152 | ::InvalidateRect(GetHwnd(), &rect, FALSE); | |
3153 | } | |
3f7bc32b VZ |
3154 | } |
3155 | } | |
3f7bc32b | 3156 | |
c7d9c476 | 3157 | if ( nMsg == WM_KILLFOCUS ) |
3f7bc32b | 3158 | { |
c7d9c476 VZ |
3159 | m_focusLost = true; |
3160 | } | |
3161 | } | |
3162 | else if ( (nMsg == WM_KEYDOWN || nMsg == WM_SYSKEYDOWN) && isMultiple ) | |
3163 | { | |
aa8166dd VZ |
3164 | // normally we want to generate wxEVT_KEY_DOWN events from TVN_KEYDOWN |
3165 | // notification but for the keys which can be used to change selection | |
3166 | // we need to do it from here so as to not apply the default behaviour | |
3167 | // if the events are handled by the user code | |
3168 | switch ( wParam ) | |
c7d9c476 | 3169 | { |
aa8166dd VZ |
3170 | case VK_RETURN: |
3171 | case VK_SPACE: | |
3172 | case VK_UP: | |
3173 | case VK_DOWN: | |
3174 | case VK_LEFT: | |
3175 | case VK_RIGHT: | |
3176 | case VK_HOME: | |
3177 | case VK_END: | |
3178 | case VK_PRIOR: | |
3179 | case VK_NEXT: | |
d6d857b1 VZ |
3180 | if ( !HandleKeyDown(wParam, lParam) && |
3181 | !MSWHandleTreeKeyDownEvent(wParam, lParam) ) | |
aa8166dd VZ |
3182 | { |
3183 | // use the key to update the selection if it was left | |
3184 | // unprocessed | |
3185 | MSWHandleSelectionKey(wParam); | |
aa8166dd | 3186 | } |
ba8a1961 | 3187 | |
7dac12ef VZ |
3188 | // pretend that we did process it in any case as we already |
3189 | // generated an event for it | |
3190 | processed = true; | |
3191 | ||
aa8166dd VZ |
3192 | //default: for all the other keys leave processed as false so that |
3193 | // the tree control generates a TVN_KEYDOWN for us | |
c7d9c476 | 3194 | } |
3f7bc32b | 3195 | |
3f7bc32b | 3196 | } |
d35dce3a VZ |
3197 | else if ( nMsg == WM_COMMAND ) |
3198 | { | |
3199 | // if we receive a EN_KILLFOCUS command from the in-place edit control | |
3200 | // used for label editing, make sure to end editing | |
3201 | WORD id, cmd; | |
3202 | WXHWND hwnd; | |
3203 | UnpackCommand(wParam, lParam, &id, &hwnd, &cmd); | |
3204 | ||
3205 | if ( cmd == EN_KILLFOCUS ) | |
3206 | { | |
3207 | if ( m_textCtrl && m_textCtrl->GetHandle() == hwnd ) | |
3208 | { | |
3209 | DoEndEditLabel(); | |
3210 | ||
3211 | processed = true; | |
3212 | } | |
3213 | } | |
3214 | } | |
7bb8798c | 3215 | |
3f7bc32b VZ |
3216 | if ( !processed ) |
3217 | rc = wxControl::MSWWindowProc(nMsg, wParam, lParam); | |
3218 | ||
3219 | return rc; | |
23f681ec VZ |
3220 | } |
3221 | ||
fbd8ac52 VZ |
3222 | WXLRESULT |
3223 | wxTreeCtrl::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) | |
3224 | { | |
068b764a VZ |
3225 | if ( nMsg == WM_CHAR ) |
3226 | { | |
df63b2a4 | 3227 | // don't let the control process Space and Return keys because it |
068b764a VZ |
3228 | // doesn't do anything useful with them anyhow but always beeps |
3229 | // annoyingly when it receives them and there is no way to turn it off | |
3230 | // simply if you just process TREEITEM_ACTIVATED event to which Space | |
3231 | // and Enter presses are mapped in your code | |
3232 | if ( wParam == VK_SPACE || wParam == VK_RETURN ) | |
3233 | return 0; | |
3234 | } | |
c4cd8712 VZ |
3235 | #if wxUSE_DRAGIMAGE |
3236 | else if ( nMsg == WM_KEYDOWN ) | |
3237 | { | |
3238 | if ( wParam == VK_ESCAPE ) | |
3239 | { | |
3240 | if ( m_dragImage ) | |
3241 | { | |
3242 | m_dragImage->EndDrag(); | |
3243 | delete m_dragImage; | |
3244 | m_dragImage = NULL; | |
3245 | ||
3246 | // if we don't do it, the tree seems to think that 2 items | |
3247 | // are selected simultaneously which is quite weird | |
3248 | TreeView_SelectDropTarget(GetHwnd(), 0); | |
3249 | } | |
3250 | } | |
3251 | } | |
3252 | #endif // wxUSE_DRAGIMAGE | |
068b764a | 3253 | |
fbd8ac52 VZ |
3254 | return wxControl::MSWDefWindowProc(nMsg, wParam, lParam); |
3255 | } | |
3256 | ||
08b7c251 | 3257 | // process WM_NOTIFY Windows message |
a23fd0e1 | 3258 | bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) |
08b7c251 | 3259 | { |
09f277d6 | 3260 | wxTreeEvent event(wxEVT_NULL, this); |
08b7c251 VZ |
3261 | wxEventType eventType = wxEVT_NULL; |
3262 | NMHDR *hdr = (NMHDR *)lParam; | |
3263 | ||
3264 | switch ( hdr->code ) | |
2bda0e17 | 3265 | { |
08b7c251 VZ |
3266 | case TVN_BEGINDRAG: |
3267 | eventType = wxEVT_COMMAND_TREE_BEGIN_DRAG; | |
3268 | // fall through | |
3269 | ||
3270 | case TVN_BEGINRDRAG: | |
3271 | { | |
3272 | if ( eventType == wxEVT_NULL ) | |
3273 | eventType = wxEVT_COMMAND_TREE_BEGIN_RDRAG; | |
3274 | //else: left drag, already set above | |
3275 | ||
3276 | NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; | |
3277 | ||
ee4b2721 | 3278 | event.m_item = tv->itemNew.hItem; |
08b7c251 | 3279 | event.m_pointDrag = wxPoint(tv->ptDrag.x, tv->ptDrag.y); |
23f681ec VZ |
3280 | |
3281 | // don't allow dragging by default: the user code must | |
3282 | // explicitly say that it wants to allow it to avoid breaking | |
3283 | // the old apps | |
3284 | event.Veto(); | |
08b7c251 | 3285 | } |
696e1ea0 | 3286 | break; |
08b7c251 VZ |
3287 | |
3288 | case TVN_BEGINLABELEDIT: | |
3289 | { | |
3290 | eventType = wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT; | |
3291 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
3292 | ||
646a8a4d VZ |
3293 | // although the user event handler may still veto it, it is |
3294 | // important to set it now so that calls to SetItemText() from | |
3295 | // the event handler would change the text controls contents | |
3296 | m_idEdited = | |
ee4b2721 | 3297 | event.m_item = info->item.hItem; |
5ea47806 | 3298 | event.m_label = info->item.pszText; |
04cd30de | 3299 | event.m_editCancelled = false; |
08b7c251 | 3300 | } |
696e1ea0 | 3301 | break; |
08b7c251 VZ |
3302 | |
3303 | case TVN_DELETEITEM: | |
3304 | { | |
3305 | eventType = wxEVT_COMMAND_TREE_DELETE_ITEM; | |
3306 | NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; | |
3307 | ||
ee4b2721 | 3308 | event.m_item = tv->itemOld.hItem; |
696e1ea0 VZ |
3309 | |
3310 | if ( m_hasAnyAttr ) | |
3311 | { | |
ee4b2721 VZ |
3312 | wxMapTreeAttr::iterator it = m_attrs.find(tv->itemOld.hItem); |
3313 | if ( it != m_attrs.end() ) | |
3314 | { | |
3315 | delete it->second; | |
3316 | m_attrs.erase(it); | |
3317 | } | |
696e1ea0 | 3318 | } |
08b7c251 | 3319 | } |
696e1ea0 | 3320 | break; |
08b7c251 VZ |
3321 | |
3322 | case TVN_ENDLABELEDIT: | |
3323 | { | |
3324 | eventType = wxEVT_COMMAND_TREE_END_LABEL_EDIT; | |
3325 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
3326 | ||
ee4b2721 | 3327 | event.m_item = info->item.hItem; |
5ea47806 | 3328 | event.m_label = info->item.pszText; |
06110b00 | 3329 | event.m_editCancelled = info->item.pszText == NULL; |
08b7c251 VZ |
3330 | break; |
3331 | } | |
3332 | ||
676d6550 | 3333 | #ifndef __WXWINCE__ |
156194e1 JS |
3334 | // These *must* not be removed or TVN_GETINFOTIP will |
3335 | // not be processed each time the mouse is moved | |
3336 | // and the tooltip will only ever update once. | |
3337 | case TTN_NEEDTEXTA: | |
3338 | case TTN_NEEDTEXTW: | |
3339 | { | |
3340 | *result = 0; | |
3341 | ||
3342 | break; | |
3343 | } | |
3344 | ||
f3f71703 | 3345 | #ifdef TVN_GETINFOTIP |
156194e1 JS |
3346 | case TVN_GETINFOTIP: |
3347 | { | |
3348 | eventType = wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP; | |
3349 | NMTVGETINFOTIP *info = (NMTVGETINFOTIP*)lParam; | |
3350 | ||
3351 | // Which item are we trying to get a tooltip for? | |
bc0aebab | 3352 | event.m_item = info->hItem; |
156194e1 JS |
3353 | |
3354 | break; | |
3355 | } | |
df63b2a4 VZ |
3356 | #endif // TVN_GETINFOTIP |
3357 | #endif // !__WXWINCE__ | |
5e7718a2 | 3358 | |
08b7c251 VZ |
3359 | case TVN_GETDISPINFO: |
3360 | eventType = wxEVT_COMMAND_TREE_GET_INFO; | |
3361 | // fall through | |
3362 | ||
3363 | case TVN_SETDISPINFO: | |
3364 | { | |
3365 | if ( eventType == wxEVT_NULL ) | |
3366 | eventType = wxEVT_COMMAND_TREE_SET_INFO; | |
3367 | //else: get, already set above | |
3368 | ||
3369 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
3370 | ||
ee4b2721 | 3371 | event.m_item = info->item.hItem; |
08b7c251 VZ |
3372 | break; |
3373 | } | |
3374 | ||
3375 | case TVN_ITEMEXPANDING: | |
08b7c251 VZ |
3376 | case TVN_ITEMEXPANDED: |
3377 | { | |
4523ebb3 | 3378 | NM_TREEVIEW *tv = (NM_TREEVIEW*)lParam; |
08b7c251 | 3379 | |
deb1de30 | 3380 | int what; |
08b7c251 VZ |
3381 | switch ( tv->action ) |
3382 | { | |
deb1de30 VZ |
3383 | default: |
3384 | wxLogDebug(wxT("unexpected code %d in TVN_ITEMEXPAND message"), tv->action); | |
3385 | // fall through | |
3386 | ||
08b7c251 | 3387 | case TVE_EXPAND: |
deb1de30 | 3388 | what = IDX_EXPAND; |
08b7c251 VZ |
3389 | break; |
3390 | ||
3391 | case TVE_COLLAPSE: | |
deb1de30 | 3392 | what = IDX_COLLAPSE; |
08b7c251 | 3393 | break; |
08b7c251 VZ |
3394 | } |
3395 | ||
2b5f62a0 VZ |
3396 | int how = hdr->code == TVN_ITEMEXPANDING ? IDX_DOING |
3397 | : IDX_DONE; | |
deb1de30 VZ |
3398 | |
3399 | eventType = gs_expandEvents[what][how]; | |
08b7c251 | 3400 | |
ee4b2721 | 3401 | event.m_item = tv->itemNew.hItem; |
08b7c251 | 3402 | } |
696e1ea0 | 3403 | break; |
08b7c251 VZ |
3404 | |
3405 | case TVN_KEYDOWN: | |
3406 | { | |
08b7c251 VZ |
3407 | TV_KEYDOWN *info = (TV_KEYDOWN *)lParam; |
3408 | ||
1944ad76 VZ |
3409 | // fabricate the lParam and wParam parameters sufficiently |
3410 | // similar to the ones from a "real" WM_KEYDOWN so that | |
3411 | // CreateKeyEvent() works correctly | |
47e10541 VZ |
3412 | return MSWHandleTreeKeyDownEvent( |
3413 | info->wVKey, (wxIsAltDown() ? KF_ALTDOWN : 0) << 16); | |
08b7c251 VZ |
3414 | } |
3415 | ||
5fe302ef BW |
3416 | |
3417 | // Vista's tree control has introduced some problems with our | |
3418 | // multi-selection tree. When TreeView_SelectItem() is called, | |
3419 | // the wrong items are deselected. | |
20bdddad | 3420 | |
5fe302ef BW |
3421 | // Fortunately, Vista provides a new notification, TVN_ITEMCHANGING |
3422 | // that can be used to regulate this incorrect behavior. The | |
3423 | // following messages will allow only the unlocked item's selection | |
3424 | // state to change | |
396f85ba | 3425 | |
5fe302ef BW |
3426 | case TVN_ITEMCHANGINGA: |
3427 | case TVN_ITEMCHANGINGW: | |
3428 | { | |
3429 | // we only need to handles these in multi-select trees | |
3430 | if ( HasFlag(wxTR_MULTIPLE) ) | |
3431 | { | |
3432 | // get info about the item about to be changed | |
3433 | NMTVITEMCHANGE* info = (NMTVITEMCHANGE*)lParam; | |
396f85ba | 3434 | if (TreeItemUnlocker::IsLocked(info->hItem)) |
5fe302ef BW |
3435 | { |
3436 | // item's state is locked, don't allow the change | |
3437 | // returning 1 will disallow the change | |
20bdddad | 3438 | *result = 1; |
5fe302ef BW |
3439 | return true; |
3440 | } | |
3441 | } | |
3442 | ||
3443 | // allow the state change | |
3444 | } | |
3445 | return false; | |
3446 | ||
5e7718a2 | 3447 | // NB: MSLU is broken and sends TVN_SELCHANGEDA instead of |
69a8b5b4 VS |
3448 | // TVN_SELCHANGEDW in Unicode mode under Win98. Therefore |
3449 | // we have to handle both messages: | |
3450 | case TVN_SELCHANGEDA: | |
3451 | case TVN_SELCHANGEDW: | |
7dac12ef | 3452 | if ( !HasFlag(wxTR_MULTIPLE) || !m_changingSelection ) |
c7d9c476 VZ |
3453 | { |
3454 | eventType = wxEVT_COMMAND_TREE_SEL_CHANGED; | |
3455 | } | |
08b7c251 VZ |
3456 | // fall through |
3457 | ||
69a8b5b4 VS |
3458 | case TVN_SELCHANGINGA: |
3459 | case TVN_SELCHANGINGW: | |
7dac12ef | 3460 | if ( !HasFlag(wxTR_MULTIPLE) || !m_changingSelection ) |
08b7c251 VZ |
3461 | { |
3462 | if ( eventType == wxEVT_NULL ) | |
3463 | eventType = wxEVT_COMMAND_TREE_SEL_CHANGING; | |
3464 | //else: already set above | |
3465 | ||
5e7718a2 | 3466 | if (hdr->code == TVN_SELCHANGINGW || |
69a8b5b4 VS |
3467 | hdr->code == TVN_SELCHANGEDW) |
3468 | { | |
4523ebb3 | 3469 | NM_TREEVIEWW *tv = (NM_TREEVIEWW *)lParam; |
ee4b2721 VZ |
3470 | event.m_item = tv->itemNew.hItem; |
3471 | event.m_itemOld = tv->itemOld.hItem; | |
69a8b5b4 VS |
3472 | } |
3473 | else | |
3474 | { | |
4523ebb3 | 3475 | NM_TREEVIEWA *tv = (NM_TREEVIEWA *)lParam; |
ee4b2721 VZ |
3476 | event.m_item = tv->itemNew.hItem; |
3477 | event.m_itemOld = tv->itemOld.hItem; | |
69a8b5b4 | 3478 | } |
08b7c251 | 3479 | } |
cb776b66 VZ |
3480 | |
3481 | // we receive this message from WM_LBUTTONDOWN handler inside | |
3482 | // comctl32.dll and so before the click is passed to | |
3483 | // DefWindowProc() which sets the focus to the window which was | |
3484 | // clicked and this can lead to unexpected event sequences: for | |
3485 | // example, we may get a "selection change" event from the tree | |
3486 | // before getting a "kill focus" event for the text control which | |
3487 | // had the focus previously, thus breaking user code doing input | |
3488 | // validation | |
3489 | // | |
3490 | // to avoid such surprises, we force the generation of focus events | |
3491 | // now, before we generate the selection change ones | |
3492 | SetFocus(); | |
696e1ea0 VZ |
3493 | break; |
3494 | ||
c7d9c476 VZ |
3495 | // instead of explicitly checking for _WIN32_IE, check if the |
3496 | // required symbols are available in the headers | |
5b59df83 | 3497 | #if defined(CDDS_PREPAINT) && !wxUSE_COMCTL32_SAFELY |
696e1ea0 VZ |
3498 | case NM_CUSTOMDRAW: |
3499 | { | |
3500 | LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam; | |
3501 | NMCUSTOMDRAW& nmcd = lptvcd->nmcd; | |
d7926e0b | 3502 | switch ( nmcd.dwDrawStage ) |
696e1ea0 VZ |
3503 | { |
3504 | case CDDS_PREPAINT: | |
3505 | // if we've got any items with non standard attributes, | |
3506 | // notify us before painting each item | |
3507 | *result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW | |
3508 | : CDRF_DODEFAULT; | |
4754ab16 RR |
3509 | |
3510 | // windows in TreeCtrl use one-based index for item state images, | |
3511 | // 0 indexed image is not being used, we're using zero-based index, | |
3512 | // so we have to add temp image (of zero index) to state image list | |
3513 | // before we draw any item, then after items are drawn we have to | |
3514 | // delete it (in POSTPAINT notify) | |
3515 | if (m_imageListState && m_imageListState->GetImageCount() > 0) | |
3516 | { | |
2ec94d6b | 3517 | typedef BOOL (wxSTDCALL *ImageList_Copy_t) |
c27dce18 VZ |
3518 | (HIMAGELIST, int, HIMAGELIST, int, UINT); |
3519 | static ImageList_Copy_t s_pfnImageList_Copy = NULL; | |
3520 | static bool loaded = false; | |
3521 | ||
3522 | if ( !loaded ) | |
3523 | { | |
9a83f860 | 3524 | wxLoadedDLL dllComCtl32(wxT("comctl32.dll")); |
c27dce18 VZ |
3525 | if ( dllComCtl32.IsLoaded() ) |
3526 | wxDL_INIT_FUNC(s_pfn, ImageList_Copy, dllComCtl32); | |
3527 | } | |
3528 | ||
3529 | if ( !s_pfnImageList_Copy ) | |
3530 | { | |
3531 | // this code is broken with ImageList_Copy() | |
3532 | // but I don't care enough about Win95 support | |
3533 | // to write it now -- if anybody does, please | |
3534 | // do it | |
3535 | wxFAIL_MSG("TODO: implement this for Win95"); | |
3536 | break; | |
3537 | } | |
3538 | ||
3539 | const HIMAGELIST | |
3540 | hImageList = GetHimagelistOf(m_imageListState); | |
4754ab16 RR |
3541 | |
3542 | // add temporary image | |
3543 | int width, height; | |
3544 | m_imageListState->GetSize(0, width, height); | |
3545 | ||
3546 | HBITMAP hbmpTemp = ::CreateBitmap(width, height, 1, 1, NULL); | |
3547 | int index = ::ImageList_Add(hImageList, hbmpTemp, hbmpTemp); | |
3548 | ::DeleteObject(hbmpTemp); | |
3549 | ||
3550 | if ( index != -1 ) | |
3551 | { | |
3552 | // move images to right | |
3553 | for ( int i = index; i > 0; i-- ) | |
c27dce18 VZ |
3554 | { |
3555 | (*s_pfnImageList_Copy)(hImageList, i, | |
3556 | hImageList, i-1, | |
3557 | ILCF_MOVE); | |
3558 | } | |
4754ab16 RR |
3559 | |
3560 | // we must remove the image in POSTPAINT notify | |
3561 | *result |= CDRF_NOTIFYPOSTPAINT; | |
3562 | } | |
4754ab16 RR |
3563 | } |
3564 | break; | |
3565 | ||
3566 | case CDDS_POSTPAINT: | |
3567 | // we are deleting temp image of 0 index, which was | |
3568 | // added before items were drawn (in PREPAINT notify) | |
3569 | if (m_imageListState && m_imageListState->GetImageCount() > 0) | |
3570 | m_imageListState->Remove(0); | |
d7926e0b | 3571 | break; |
696e1ea0 VZ |
3572 | |
3573 | case CDDS_ITEMPREPAINT: | |
3574 | { | |
ee4b2721 VZ |
3575 | wxMapTreeAttr::iterator |
3576 | it = m_attrs.find((void *)nmcd.dwItemSpec); | |
696e1ea0 | 3577 | |
ee4b2721 | 3578 | if ( it == m_attrs.end() ) |
696e1ea0 VZ |
3579 | { |
3580 | // nothing to do for this item | |
d7926e0b VZ |
3581 | *result = CDRF_DODEFAULT; |
3582 | break; | |
696e1ea0 VZ |
3583 | } |
3584 | ||
ee4b2721 VZ |
3585 | wxTreeItemAttr * const attr = it->second; |
3586 | ||
8b713759 VZ |
3587 | wxTreeViewItem tvItem((void *)nmcd.dwItemSpec, |
3588 | TVIF_STATE, TVIS_DROPHILITED); | |
3589 | DoGetItem(&tvItem); | |
3590 | const UINT tvItemState = tvItem.state; | |
3591 | ||
19da49fc | 3592 | // selection colours should override ours, |
8b713759 VZ |
3593 | // otherwise it is too confusing to the user |
3594 | if ( !(nmcd.uItemState & CDIS_SELECTED) && | |
3595 | !(tvItemState & TVIS_DROPHILITED) ) | |
696e1ea0 | 3596 | { |
2076893b | 3597 | wxColour colBack; |
696e1ea0 VZ |
3598 | if ( attr->HasBackgroundColour() ) |
3599 | { | |
3600 | colBack = attr->GetBackgroundColour(); | |
19da49fc | 3601 | lptvcd->clrTextBk = wxColourToRGB(colBack); |
696e1ea0 | 3602 | } |
19da49fc VZ |
3603 | } |
3604 | ||
3605 | // but we still want to keep the special foreground | |
3606 | // colour when we don't have focus (we can't keep | |
3607 | // it when we do, it would usually be unreadable on | |
3608 | // the almost inverted bg colour...) | |
8b713759 VZ |
3609 | if ( ( !(nmcd.uItemState & CDIS_SELECTED) || |
3610 | FindFocus() != this ) && | |
3611 | !(tvItemState & TVIS_DROPHILITED) ) | |
19da49fc VZ |
3612 | { |
3613 | wxColour colText; | |
3614 | if ( attr->HasTextColour() ) | |
696e1ea0 | 3615 | { |
19da49fc VZ |
3616 | colText = attr->GetTextColour(); |
3617 | lptvcd->clrText = wxColourToRGB(colText); | |
696e1ea0 | 3618 | } |
696e1ea0 VZ |
3619 | } |
3620 | ||
19da49fc | 3621 | if ( attr->HasFont() ) |
696e1ea0 | 3622 | { |
19da49fc VZ |
3623 | HFONT hFont = GetHfontOf(attr->GetFont()); |
3624 | ||
696e1ea0 VZ |
3625 | ::SelectObject(nmcd.hdc, hFont); |
3626 | ||
3627 | *result = CDRF_NEWFONT; | |
3628 | } | |
19da49fc | 3629 | else // no specific font |
696e1ea0 VZ |
3630 | { |
3631 | *result = CDRF_DODEFAULT; | |
3632 | } | |
696e1ea0 | 3633 | } |
d7926e0b | 3634 | break; |
696e1ea0 VZ |
3635 | |
3636 | default: | |
3637 | *result = CDRF_DODEFAULT; | |
696e1ea0 VZ |
3638 | } |
3639 | } | |
d7926e0b VZ |
3640 | |
3641 | // we always process it | |
04cd30de | 3642 | return true; |
5b59df83 | 3643 | #endif // have owner drawn support in headers |
08b7c251 | 3644 | |
8a000b6b VZ |
3645 | case NM_CLICK: |
3646 | { | |
3647 | DWORD pos = GetMessagePos(); | |
3648 | POINT point; | |
3649 | point.x = LOWORD(pos); | |
3650 | point.y = HIWORD(pos); | |
3651 | ::MapWindowPoints(HWND_DESKTOP, GetHwnd(), &point, 1); | |
c7d9c476 VZ |
3652 | int htFlags = 0; |
3653 | wxTreeItemId item = HitTest(wxPoint(point.x, point.y), htFlags); | |
3654 | ||
3655 | if ( htFlags & wxTREE_HITTEST_ONITEMSTATEICON ) | |
8a000b6b VZ |
3656 | { |
3657 | event.m_item = item; | |
3658 | eventType = wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK; | |
3659 | } | |
c7d9c476 | 3660 | |
8a000b6b VZ |
3661 | break; |
3662 | } | |
3663 | ||
f6bcfd97 BP |
3664 | case NM_DBLCLK: |
3665 | case NM_RCLICK: | |
3666 | { | |
3667 | TV_HITTESTINFO tvhti; | |
3668 | ::GetCursorPos(&tvhti.pt); | |
3669 | ::ScreenToClient(GetHwnd(), &tvhti.pt); | |
3670 | if ( TreeView_HitTest(GetHwnd(), &tvhti) ) | |
3671 | { | |
3c8cbc12 | 3672 | if ( MSWIsOnItem(tvhti.flags) ) |
f6bcfd97 | 3673 | { |
ee4b2721 | 3674 | event.m_item = tvhti.hItem; |
f6bcfd97 BP |
3675 | eventType = (int)hdr->code == NM_DBLCLK |
3676 | ? wxEVT_COMMAND_TREE_ITEM_ACTIVATED | |
3677 | : wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK; | |
8591268f VZ |
3678 | |
3679 | event.m_pointDrag.x = tvhti.pt.x; | |
3680 | event.m_pointDrag.y = tvhti.pt.y; | |
f6bcfd97 BP |
3681 | } |
3682 | ||
3683 | break; | |
3684 | } | |
3685 | } | |
3686 | // fall through | |
3687 | ||
08b7c251 | 3688 | default: |
a23fd0e1 | 3689 | return wxControl::MSWOnNotify(idCtrl, lParam, result); |
2bda0e17 | 3690 | } |
08b7c251 | 3691 | |
08b7c251 VZ |
3692 | event.SetEventType(eventType); |
3693 | ||
c7d9c476 | 3694 | bool processed = HandleTreeEvent(event); |
08b7c251 VZ |
3695 | |
3696 | // post processing | |
5ea47806 | 3697 | switch ( hdr->code ) |
2bda0e17 | 3698 | { |
f6bcfd97 | 3699 | case NM_DBLCLK: |
0e2ad323 VZ |
3700 | // we translate NM_DBLCLK into ACTIVATED event and if the user |
3701 | // handled the activation of the item we shouldn't proceed with | |
3702 | // also using the same double click for toggling the item expanded | |
3703 | // state -- but OTOH do let the user to expand/collapse the item by | |
3704 | // double clicking on it if the activation is not handled specially | |
3705 | *result = processed; | |
f6bcfd97 BP |
3706 | break; |
3707 | ||
df63b2a4 VZ |
3708 | case NM_RCLICK: |
3709 | // prevent tree control from sending WM_CONTEXTMENU to our parent | |
3710 | // (which it does if NM_RCLICK is not handled) because we want to | |
3711 | // send it to the control itself | |
3712 | *result = | |
3713 | processed = true; | |
3714 | ||
3715 | ::SendMessage(GetHwnd(), WM_CONTEXTMENU, | |
3716 | (WPARAM)GetHwnd(), ::GetMessagePos()); | |
3717 | break; | |
3718 | ||
23f681ec VZ |
3719 | case TVN_BEGINDRAG: |
3720 | case TVN_BEGINRDRAG: | |
68d9be05 | 3721 | #if wxUSE_DRAGIMAGE |
23f681ec VZ |
3722 | if ( event.IsAllowed() ) |
3723 | { | |
3724 | // normally this is impossible because the m_dragImage is | |
3725 | // deleted once the drag operation is over | |
9a83f860 | 3726 | wxASSERT_MSG( !m_dragImage, wxT("starting to drag once again?") ); |
23f681ec VZ |
3727 | |
3728 | m_dragImage = new wxDragImage(*this, event.m_item); | |
c47addef | 3729 | m_dragImage->BeginDrag(wxPoint(0,0), this); |
68be9f09 | 3730 | m_dragImage->Show(); |
c7d9c476 VZ |
3731 | |
3732 | m_dragStarted = true; | |
23f681ec | 3733 | } |
68d9be05 | 3734 | #endif // wxUSE_DRAGIMAGE |
23f681ec VZ |
3735 | break; |
3736 | ||
5ea47806 VZ |
3737 | case TVN_DELETEITEM: |
3738 | { | |
77ffb593 | 3739 | // NB: we might process this message using wxWidgets event |
5ea47806 VZ |
3740 | // tables, but due to overhead of wxWin event system we |
3741 | // prefer to do it here ourself (otherwise deleting a tree | |
3742 | // with many items is just too slow) | |
4523ebb3 | 3743 | NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; |
4523ebb3 VZ |
3744 | |
3745 | wxTreeItemParam *param = | |
3746 | (wxTreeItemParam *)tv->itemOld.lParam; | |
3747 | delete param; | |
08b7c251 | 3748 | |
04cd30de | 3749 | processed = true; // Make sure we don't get called twice |
5ea47806 VZ |
3750 | } |
3751 | break; | |
3752 | ||
3753 | case TVN_BEGINLABELEDIT: | |
04cd30de | 3754 | // return true to cancel label editing |
5ea47806 | 3755 | *result = !event.IsAllowed(); |
646a8a4d | 3756 | |
cd6bd270 | 3757 | // set ES_WANTRETURN ( like we do in BeginLabelEdit ) |
646a8a4d | 3758 | if ( event.IsAllowed() ) |
cd6bd270 MB |
3759 | { |
3760 | HWND hText = TreeView_GetEditControl(GetHwnd()); | |
4523ebb3 | 3761 | if ( hText ) |
cd6bd270 | 3762 | { |
5e7718a2 | 3763 | // MBN: if m_textCtrl already has an HWND, it is a stale |
cd6bd270 MB |
3764 | // pointer from a previous edit (because the user |
3765 | // didn't modify the label before dismissing the control, | |
3766 | // and TVN_ENDLABELEDIT was not sent), so delete it | |
4523ebb3 | 3767 | if ( m_textCtrl && m_textCtrl->GetHWND() ) |
cd6bd270 | 3768 | DeleteTextCtrl(); |
4523ebb3 | 3769 | if ( !m_textCtrl ) |
cd6bd270 MB |
3770 | m_textCtrl = new wxTextCtrl(); |
3771 | m_textCtrl->SetParent(this); | |
3772 | m_textCtrl->SetHWND((WXHWND)hText); | |
3773 | m_textCtrl->SubclassWin((WXHWND)hText); | |
3774 | ||
3775 | // set wxTE_PROCESS_ENTER style for the text control to | |
3776 | // force it to process the Enter presses itself, otherwise | |
3777 | // they could be stolen from it by the dialog | |
3778 | // navigation code | |
3779 | m_textCtrl->SetWindowStyle(m_textCtrl->GetWindowStyle() | |
3780 | | wxTE_PROCESS_ENTER); | |
3781 | } | |
3782 | } | |
646a8a4d VZ |
3783 | else // we had set m_idEdited before |
3784 | { | |
3785 | m_idEdited.Unset(); | |
3786 | } | |
5ea47806 VZ |
3787 | break; |
3788 | ||
3789 | case TVN_ENDLABELEDIT: | |
04cd30de | 3790 | // return true to set the label to the new string: note that we |
188781db | 3791 | // also must pretend that we did process the message or it is going |
04cd30de | 3792 | // to be passed to DefWindowProc() which will happily return false |
188781db | 3793 | // cancelling the label change |
5ea47806 | 3794 | *result = event.IsAllowed(); |
04cd30de | 3795 | processed = true; |
5ea47806 VZ |
3796 | |
3797 | // ensure that we don't have the text ctrl which is going to be | |
3798 | // deleted any more | |
3799 | DeleteTextCtrl(); | |
3800 | break; | |
3801 | ||
676d6550 | 3802 | #ifndef __WXWINCE__ |
f3f71703 | 3803 | #ifdef TVN_GETINFOTIP |
156194e1 JS |
3804 | case TVN_GETINFOTIP: |
3805 | { | |
3806 | // If the user permitted a tooltip change, change it | |
3807 | if (event.IsAllowed()) | |
3808 | { | |
3809 | SetToolTip(event.m_label); | |
3810 | } | |
3811 | } | |
3812 | break; | |
f3f71703 | 3813 | #endif |
676d6550 | 3814 | #endif |
5e7718a2 | 3815 | |
5ea47806 VZ |
3816 | case TVN_SELCHANGING: |
3817 | case TVN_ITEMEXPANDING: | |
04cd30de | 3818 | // return true to prevent the action from happening |
5ea47806 VZ |
3819 | *result = !event.IsAllowed(); |
3820 | break; | |
3821 | ||
deb1de30 | 3822 | case TVN_ITEMEXPANDED: |
deb1de30 | 3823 | { |
4523ebb3 | 3824 | NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; |
5188000b | 3825 | const wxTreeItemId id(tv->itemNew.hItem); |
deb1de30 | 3826 | |
5188000b | 3827 | if ( tv->action == TVE_COLLAPSE ) |
bf43d750 | 3828 | { |
5188000b VZ |
3829 | if ( wxApp::GetComCtl32Version() >= 600 ) |
3830 | { | |
3831 | // for some reason the item selection rectangle depends | |
3832 | // on whether it is expanded or collapsed (at least | |
3833 | // with comctl32.dll v6): it is wider (by 3 pixels) in | |
3834 | // the expanded state, so when the item collapses and | |
3835 | // then is deselected the rightmost 3 pixels of the | |
3836 | // previously drawn selection are left on the screen | |
3837 | // | |
3838 | // it's not clear if it's a bug in comctl32.dll or in | |
3839 | // our code (because it does not happen in Explorer but | |
3840 | // OTOH we don't do anything which could result in this | |
3841 | // AFAICS) but we do need to work around it to avoid | |
3842 | // ugly artifacts | |
3843 | RefreshItem(id); | |
3844 | } | |
3845 | } | |
3846 | else // expand | |
3847 | { | |
3848 | // the item is also not refreshed properly after expansion when | |
3849 | // it has an image depending on the expanded/collapsed state: | |
3850 | // again, it's not clear if the bug is in comctl32.dll or our | |
3851 | // code... | |
3852 | int image = GetItemImage(id, wxTreeItemIcon_Expanded); | |
3853 | if ( image != -1 ) | |
3854 | { | |
3855 | RefreshItem(id); | |
3856 | } | |
deb1de30 VZ |
3857 | } |
3858 | } | |
3859 | break; | |
3860 | ||
74b31181 VZ |
3861 | case TVN_GETDISPINFO: |
3862 | // NB: so far the user can't set the image himself anyhow, so do it | |
3863 | // anyway - but this may change later | |
4523ebb3 | 3864 | //if ( /* !processed && */ ) |
74b31181 VZ |
3865 | { |
3866 | wxTreeItemId item = event.m_item; | |
3867 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
4523ebb3 | 3868 | |
1b182562 | 3869 | const wxTreeItemParam * const param = GetItemParam(item); |
4523ebb3 VZ |
3870 | if ( !param ) |
3871 | break; | |
3872 | ||
74b31181 VZ |
3873 | if ( info->item.mask & TVIF_IMAGE ) |
3874 | { | |
3875 | info->item.iImage = | |
4523ebb3 | 3876 | param->GetImage |
74b31181 | 3877 | ( |
74b31181 VZ |
3878 | IsExpanded(item) ? wxTreeItemIcon_Expanded |
3879 | : wxTreeItemIcon_Normal | |
3880 | ); | |
3881 | } | |
3882 | if ( info->item.mask & TVIF_SELECTEDIMAGE ) | |
3883 | { | |
3884 | info->item.iSelectedImage = | |
4523ebb3 | 3885 | param->GetImage |
74b31181 | 3886 | ( |
74b31181 VZ |
3887 | IsExpanded(item) ? wxTreeItemIcon_SelectedExpanded |
3888 | : wxTreeItemIcon_Selected | |
3889 | ); | |
3890 | } | |
deb1de30 | 3891 | } |
74b31181 VZ |
3892 | break; |
3893 | ||
5ea47806 VZ |
3894 | //default: |
3895 | // for the other messages the return value is ignored and there is | |
3896 | // nothing special to do | |
3897 | } | |
fd3f686c | 3898 | return processed; |
2bda0e17 KB |
3899 | } |
3900 | ||
8a000b6b VZ |
3901 | // ---------------------------------------------------------------------------- |
3902 | // State control. | |
3903 | // ---------------------------------------------------------------------------- | |
3904 | ||
3905 | // why do they define INDEXTOSTATEIMAGEMASK but not the inverse? | |
3906 | #define STATEIMAGEMASKTOINDEX(state) (((state) & TVIS_STATEIMAGEMASK) >> 12) | |
3907 | ||
03966fcb | 3908 | int wxTreeCtrl::DoGetItemState(const wxTreeItemId& item) const |
8a000b6b | 3909 | { |
03966fcb | 3910 | wxCHECK_MSG( item.IsOk(), wxTREE_ITEMSTATE_NONE, wxT("invalid tree item") ); |
8a000b6b | 3911 | |
03966fcb RR |
3912 | // receive the desired information |
3913 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK); | |
3914 | DoGetItem(&tvItem); | |
8a000b6b | 3915 | |
03966fcb RR |
3916 | // state images are one-based |
3917 | return STATEIMAGEMASKTOINDEX(tvItem.state) - 1; | |
8a000b6b VZ |
3918 | } |
3919 | ||
03966fcb | 3920 | void wxTreeCtrl::DoSetItemState(const wxTreeItemId& item, int state) |
8a000b6b | 3921 | { |
03966fcb RR |
3922 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
3923 | ||
3924 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK); | |
8a000b6b | 3925 | |
03966fcb RR |
3926 | // state images are one-based |
3927 | // 0 if no state image display (wxTREE_ITEMSTATE_NONE = -1) | |
3928 | tvItem.state = INDEXTOSTATEIMAGEMASK(state + 1); | |
3929 | ||
3930 | DoSetItem(&tvItem); | |
8a000b6b VZ |
3931 | } |
3932 | ||
1e6feb95 | 3933 | #endif // wxUSE_TREECTRL |