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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 | ||
08b7c251 | 43 | #include "wx/imaglist.h" |
23f681ec | 44 | #include "wx/msw/dragimag.h" |
e615d356 | 45 | #include "wx/msw/uxtheme.h" |
23f681ec | 46 | |
f888d614 VZ |
47 | // macros to hide the cast ugliness |
48 | // -------------------------------- | |
49 | ||
14ba002a VZ |
50 | // get HTREEITEM from wxTreeItemId |
51 | #define HITEM(item) ((HTREEITEM)(((item).m_pItem))) | |
3f7bc32b | 52 | |
5fe302ef BW |
53 | |
54 | // older SDKs are missing these | |
55 | #ifndef TVN_ITEMCHANGINGA | |
56 | ||
57 | #define TVN_ITEMCHANGINGA (TVN_FIRST-16) | |
58 | #define TVN_ITEMCHANGINGW (TVN_FIRST-17) | |
59 | ||
60 | typedef struct tagNMTVITEMCHANGE | |
61 | { | |
62 | NMHDR hdr; | |
63 | UINT uChanged; | |
64 | HTREEITEM hItem; | |
65 | UINT uStateNew; | |
66 | UINT uStateOld; | |
67 | LPARAM lParam; | |
68 | } NMTVITEMCHANGE; | |
69 | ||
70 | #endif | |
71 | ||
72 | ||
396f85ba BW |
73 | // this helper class is used on vista systems for preventing unwanted |
74 | // item state changes in the vista tree control. It is only effective in | |
5fe302ef BW |
75 | // multi-select mode on vista systems. |
76 | ||
396f85ba BW |
77 | // The vista tree control includes some new code that originally broke the |
78 | // multi-selection tree, causing seemingly spurious item selection state changes | |
79 | // during Shift or Ctrl-click item selection. (To witness the original broken | |
80 | // behavior, simply make IsLocked() below always return false). This problem was | |
81 | // solved by using the following class to 'unlock' an item's selection state. | |
5fe302ef BW |
82 | |
83 | class TreeItemUnlocker | |
84 | { | |
85 | public: | |
396f85ba BW |
86 | // unlock a single item |
87 | TreeItemUnlocker(HTREEITEM item) { ms_unlockedItem = item; } | |
88 | ||
89 | // unlock all items, don't use unless absolutely necessary | |
90 | TreeItemUnlocker() { ms_unlockedItem = (HTREEITEM)-1; } | |
91 | ||
92 | // lock everything back | |
93 | ~TreeItemUnlocker() { ms_unlockedItem = NULL; } | |
94 | ||
95 | ||
96 | // check if the item state is currently locked | |
97 | static bool IsLocked(HTREEITEM item) | |
98 | { return ms_unlockedItem != (HTREEITEM)-1 && item != ms_unlockedItem; } | |
99 | ||
100 | private: | |
101 | static HTREEITEM ms_unlockedItem; | |
5fe302ef BW |
102 | }; |
103 | ||
396f85ba | 104 | HTREEITEM TreeItemUnlocker::ms_unlockedItem = NULL; |
5fe302ef | 105 | |
7dac12ef VZ |
106 | // another helper class: set the variable to true during its lifetime and reset |
107 | // it to false when it is destroyed | |
108 | // | |
109 | // it is currently always used with wxTreeCtrl::m_changingSelection | |
110 | class TempSetter | |
111 | { | |
112 | public: | |
113 | TempSetter(bool& var) : m_var(var) | |
114 | { | |
115 | wxASSERT_MSG( !m_var, "variable shouldn't be already set" ); | |
116 | m_var = true; | |
117 | } | |
118 | ||
119 | ~TempSetter() | |
120 | { | |
121 | m_var = false; | |
122 | } | |
123 | ||
124 | private: | |
125 | bool& m_var; | |
126 | ||
127 | wxDECLARE_NO_COPY_CLASS(TempSetter); | |
128 | }; | |
129 | ||
3f7bc32b VZ |
130 | // ---------------------------------------------------------------------------- |
131 | // private functions | |
132 | // ---------------------------------------------------------------------------- | |
133 | ||
75afdc2d VZ |
134 | // wrappers for TreeView_GetItem/TreeView_SetItem |
135 | static bool IsItemSelected(HWND hwndTV, HTREEITEM hItem) | |
136 | { | |
75afdc2d VZ |
137 | TV_ITEM tvi; |
138 | tvi.mask = TVIF_STATE | TVIF_HANDLE; | |
139 | tvi.stateMask = TVIS_SELECTED; | |
140 | tvi.hItem = hItem; | |
141 | ||
5fe302ef BW |
142 | TreeItemUnlocker unlocker(hItem); |
143 | ||
75afdc2d VZ |
144 | if ( !TreeView_GetItem(hwndTV, &tvi) ) |
145 | { | |
146 | wxLogLastError(wxT("TreeView_GetItem")); | |
147 | } | |
148 | ||
149 | return (tvi.state & TVIS_SELECTED) != 0; | |
150 | } | |
151 | ||
152 | static bool SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = true) | |
153 | { | |
154 | TV_ITEM tvi; | |
155 | tvi.mask = TVIF_STATE | TVIF_HANDLE; | |
156 | tvi.stateMask = TVIS_SELECTED; | |
157 | tvi.state = select ? TVIS_SELECTED : 0; | |
158 | tvi.hItem = hItem; | |
159 | ||
5fe302ef BW |
160 | TreeItemUnlocker unlocker(hItem); |
161 | ||
75afdc2d VZ |
162 | if ( TreeView_SetItem(hwndTV, &tvi) == -1 ) |
163 | { | |
164 | wxLogLastError(wxT("TreeView_SetItem")); | |
165 | return false; | |
166 | } | |
167 | ||
168 | return true; | |
169 | } | |
170 | ||
171 | static inline void UnselectItem(HWND hwndTV, HTREEITEM htItem) | |
172 | { | |
173 | SelectItem(hwndTV, htItem, false); | |
174 | } | |
175 | ||
c7d9c476 VZ |
176 | static inline void ToggleItemSelection(HWND hwndTV, HTREEITEM htItem) |
177 | { | |
178 | SelectItem(hwndTV, htItem, !IsItemSelected(hwndTV, htItem)); | |
179 | } | |
180 | ||
75afdc2d | 181 | // helper function which selects all items in a range and, optionally, |
c7d9c476 VZ |
182 | // deselects all the other ones |
183 | // | |
184 | // returns true if the selection changed at all or false if nothing changed | |
185 | ||
186 | // flags for SelectRange() | |
187 | enum | |
188 | { | |
189 | SR_SIMULATE = 1, // don't do anything, just return true or false | |
190 | SR_UNSELECT_OTHERS = 2 // deselect the items not in range | |
191 | }; | |
192 | ||
193 | static bool SelectRange(HWND hwndTV, | |
75afdc2d VZ |
194 | HTREEITEM htFirst, |
195 | HTREEITEM htLast, | |
c7d9c476 | 196 | int flags) |
75afdc2d VZ |
197 | { |
198 | // find the first (or last) item and select it | |
c7d9c476 | 199 | bool changed = false; |
75afdc2d VZ |
200 | bool cont = true; |
201 | HTREEITEM htItem = (HTREEITEM)TreeView_GetRoot(hwndTV); | |
c7d9c476 | 202 | |
75afdc2d VZ |
203 | while ( htItem && cont ) |
204 | { | |
205 | if ( (htItem == htFirst) || (htItem == htLast) ) | |
206 | { | |
207 | if ( !IsItemSelected(hwndTV, htItem) ) | |
208 | { | |
c7d9c476 VZ |
209 | if ( !(flags & SR_SIMULATE) ) |
210 | { | |
211 | SelectItem(hwndTV, htItem); | |
212 | } | |
213 | ||
214 | changed = true; | |
75afdc2d VZ |
215 | } |
216 | ||
217 | cont = false; | |
218 | } | |
c7d9c476 | 219 | else // not first or last |
75afdc2d | 220 | { |
c7d9c476 | 221 | if ( flags & SR_UNSELECT_OTHERS ) |
75afdc2d | 222 | { |
c7d9c476 VZ |
223 | if ( IsItemSelected(hwndTV, htItem) ) |
224 | { | |
225 | if ( !(flags & SR_SIMULATE) ) | |
226 | UnselectItem(hwndTV, htItem); | |
227 | ||
228 | changed = true; | |
229 | } | |
75afdc2d VZ |
230 | } |
231 | } | |
232 | ||
233 | htItem = (HTREEITEM)TreeView_GetNextVisible(hwndTV, htItem); | |
234 | } | |
235 | ||
236 | // select the items in range | |
237 | cont = htFirst != htLast; | |
238 | while ( htItem && cont ) | |
239 | { | |
240 | if ( !IsItemSelected(hwndTV, htItem) ) | |
241 | { | |
c7d9c476 VZ |
242 | if ( !(flags & SR_SIMULATE) ) |
243 | { | |
244 | SelectItem(hwndTV, htItem); | |
245 | } | |
246 | ||
247 | changed = true; | |
75afdc2d VZ |
248 | } |
249 | ||
250 | cont = (htItem != htFirst) && (htItem != htLast); | |
251 | ||
252 | htItem = (HTREEITEM)TreeView_GetNextVisible(hwndTV, htItem); | |
253 | } | |
254 | ||
c7d9c476 VZ |
255 | // optionally deselect the rest |
256 | if ( flags & SR_UNSELECT_OTHERS ) | |
75afdc2d VZ |
257 | { |
258 | while ( htItem ) | |
259 | { | |
260 | if ( IsItemSelected(hwndTV, htItem) ) | |
261 | { | |
c7d9c476 VZ |
262 | if ( !(flags & SR_SIMULATE) ) |
263 | { | |
264 | UnselectItem(hwndTV, htItem); | |
265 | } | |
266 | ||
267 | changed = true; | |
75afdc2d VZ |
268 | } |
269 | ||
270 | htItem = (HTREEITEM)TreeView_GetNextVisible(hwndTV, htItem); | |
271 | } | |
272 | } | |
273 | ||
274 | // seems to be necessary - otherwise the just selected items don't always | |
275 | // appear as selected | |
c7d9c476 VZ |
276 | if ( !(flags & SR_SIMULATE) ) |
277 | { | |
278 | UpdateWindow(hwndTV); | |
279 | } | |
280 | ||
281 | return changed; | |
75afdc2d VZ |
282 | } |
283 | ||
284 | // helper function which tricks the standard control into changing the focused | |
285 | // item without changing anything else (if someone knows why Microsoft doesn't | |
286 | // allow to do it by just setting TVIS_FOCUSED flag, please tell me!) | |
cc87a04c VZ |
287 | // |
288 | // returns true if the focus was changed, false if the given item was already | |
289 | // the focused one | |
290 | static bool SetFocus(HWND hwndTV, HTREEITEM htItem) | |
75afdc2d VZ |
291 | { |
292 | // the current focus | |
293 | HTREEITEM htFocus = (HTREEITEM)TreeView_GetSelection(hwndTV); | |
294 | ||
cc87a04c VZ |
295 | if ( htItem == htFocus ) |
296 | return false; | |
297 | ||
75afdc2d VZ |
298 | if ( htItem ) |
299 | { | |
cc87a04c VZ |
300 | // remember the selection state of the item |
301 | bool wasSelected = IsItemSelected(hwndTV, htItem); | |
75afdc2d | 302 | |
cc87a04c VZ |
303 | if ( htFocus && IsItemSelected(hwndTV, htFocus) ) |
304 | { | |
305 | // prevent the tree from unselecting the old focus which it | |
306 | // would do by default (TreeView_SelectItem unselects the | |
307 | // focused item) | |
308 | TreeView_SelectItem(hwndTV, 0); | |
309 | SelectItem(hwndTV, htFocus); | |
310 | } | |
75afdc2d | 311 | |
cc87a04c | 312 | TreeView_SelectItem(hwndTV, htItem); |
75afdc2d | 313 | |
cc87a04c VZ |
314 | if ( !wasSelected ) |
315 | { | |
316 | // need to clear the selection which TreeView_SelectItem() gave | |
317 | // us | |
318 | UnselectItem(hwndTV, htItem); | |
75afdc2d | 319 | } |
cc87a04c | 320 | //else: was selected, still selected - ok |
75afdc2d | 321 | } |
cc87a04c | 322 | else // reset focus |
75afdc2d | 323 | { |
cc87a04c | 324 | bool wasFocusSelected = IsItemSelected(hwndTV, htFocus); |
75afdc2d | 325 | |
cc87a04c VZ |
326 | // just clear the focus |
327 | TreeView_SelectItem(hwndTV, 0); | |
75afdc2d | 328 | |
cc87a04c VZ |
329 | if ( wasFocusSelected ) |
330 | { | |
331 | // restore the selection state | |
332 | SelectItem(hwndTV, htFocus); | |
75afdc2d | 333 | } |
75afdc2d | 334 | } |
cc87a04c VZ |
335 | |
336 | return true; | |
75afdc2d VZ |
337 | } |
338 | ||
08b7c251 VZ |
339 | // ---------------------------------------------------------------------------- |
340 | // private classes | |
341 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 342 | |
08b7c251 | 343 | // a convenient wrapper around TV_ITEM struct which adds a ctor |
f3ef286f | 344 | #ifdef __VISUALC__ |
3f7bc32b | 345 | #pragma warning( disable : 4097 ) // inheriting from typedef |
f3ef286f JS |
346 | #endif |
347 | ||
08b7c251 VZ |
348 | struct wxTreeViewItem : public TV_ITEM |
349 | { | |
9dfbf520 VZ |
350 | wxTreeViewItem(const wxTreeItemId& item, // the item handle |
351 | UINT mask_, // fields which are valid | |
352 | UINT stateMask_ = 0) // for TVIF_STATE only | |
08b7c251 | 353 | { |
a9c1265f VZ |
354 | wxZeroMemory(*this); |
355 | ||
9dfbf520 VZ |
356 | // hItem member is always valid |
357 | mask = mask_ | TVIF_HANDLE; | |
08b7c251 | 358 | stateMask = stateMask_; |
3f7bc32b | 359 | hItem = HITEM(item); |
08b7c251 VZ |
360 | } |
361 | }; | |
f3ef286f | 362 | |
4523ebb3 VZ |
363 | // ---------------------------------------------------------------------------- |
364 | // This class is our userdata/lParam for the TV_ITEMs stored in the treeview. | |
365 | // | |
366 | // We need this for a couple of reasons: | |
367 | // | |
368 | // 1) This class is needed for support of different images: the Win32 common | |
369 | // control natively supports only 2 images (the normal one and another for the | |
370 | // selected state). We wish to provide support for 2 more of them for folder | |
371 | // items (i.e. those which have children): for expanded state and for expanded | |
372 | // selected state. For this we use this structure to store the additional items | |
373 | // images. | |
374 | // | |
375 | // 2) This class is also needed to hold the HITEM so that we can sort | |
376 | // it correctly in the MSW sort callback. | |
377 | // | |
378 | // In addition it makes other workarounds such as this easier and helps | |
379 | // simplify the code. | |
380 | // ---------------------------------------------------------------------------- | |
381 | ||
382 | class wxTreeItemParam | |
383 | { | |
384 | public: | |
385 | wxTreeItemParam() | |
4523ebb3 | 386 | { |
20f4b566 VZ |
387 | m_data = NULL; |
388 | ||
4523ebb3 VZ |
389 | for ( size_t n = 0; n < WXSIZEOF(m_images); n++ ) |
390 | { | |
391 | m_images[n] = -1; | |
392 | } | |
393 | } | |
394 | ||
395 | // dtor deletes the associated data as well | |
396 | virtual ~wxTreeItemParam() { delete m_data; } | |
397 | ||
398 | // accessors | |
399 | // get the real data associated with the item | |
400 | wxTreeItemData *GetData() const { return m_data; } | |
401 | // change it | |
402 | void SetData(wxTreeItemData *data) { m_data = data; } | |
403 | ||
404 | // do we have such image? | |
405 | bool HasImage(wxTreeItemIcon which) const { return m_images[which] != -1; } | |
1b182562 VZ |
406 | // get image, falling back to the other images if this one is not |
407 | // specified | |
408 | int GetImage(wxTreeItemIcon which) const | |
409 | { | |
410 | int image = m_images[which]; | |
411 | if ( image == -1 ) | |
412 | { | |
413 | switch ( which ) | |
414 | { | |
415 | case wxTreeItemIcon_SelectedExpanded: | |
416 | image = GetImage(wxTreeItemIcon_Expanded); | |
417 | if ( image != -1 ) | |
418 | break; | |
419 | //else: fall through | |
420 | ||
421 | case wxTreeItemIcon_Selected: | |
422 | case wxTreeItemIcon_Expanded: | |
423 | image = GetImage(wxTreeItemIcon_Normal); | |
424 | break; | |
425 | ||
426 | case wxTreeItemIcon_Normal: | |
427 | // no fallback | |
428 | break; | |
429 | ||
430 | default: | |
9a83f860 | 431 | wxFAIL_MSG( wxT("unsupported wxTreeItemIcon value") ); |
1b182562 VZ |
432 | } |
433 | } | |
434 | ||
435 | return image; | |
436 | } | |
437 | // change the given image | |
4523ebb3 VZ |
438 | void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; } |
439 | ||
440 | // get item | |
441 | const wxTreeItemId& GetItem() const { return m_item; } | |
442 | // set item | |
443 | void SetItem(const wxTreeItemId& item) { m_item = item; } | |
444 | ||
445 | protected: | |
446 | // all the images associated with the item | |
447 | int m_images[wxTreeItemIcon_Max]; | |
448 | ||
449 | // item for sort callbacks | |
450 | wxTreeItemId m_item; | |
451 | ||
452 | // the real client data | |
453 | wxTreeItemData *m_data; | |
454 | ||
c0c133e1 | 455 | wxDECLARE_NO_COPY_CLASS(wxTreeItemParam); |
4523ebb3 VZ |
456 | }; |
457 | ||
a9c1265f VZ |
458 | // wxVirutalNode is used in place of a single root when 'hidden' root is |
459 | // specified. | |
efa38350 | 460 | class wxVirtualNode : public wxTreeViewItem |
a9c1265f VZ |
461 | { |
462 | public: | |
4523ebb3 | 463 | wxVirtualNode(wxTreeItemParam *param) |
efa38350 | 464 | : wxTreeViewItem(TVI_ROOT, 0) |
a9c1265f | 465 | { |
4523ebb3 | 466 | m_param = param; |
a9c1265f VZ |
467 | } |
468 | ||
469 | ~wxVirtualNode() | |
470 | { | |
4523ebb3 | 471 | delete m_param; |
a9c1265f VZ |
472 | } |
473 | ||
4523ebb3 VZ |
474 | wxTreeItemParam *GetParam() const { return m_param; } |
475 | void SetParam(wxTreeItemParam *param) { delete m_param; m_param = param; } | |
a9c1265f VZ |
476 | |
477 | private: | |
4523ebb3 | 478 | wxTreeItemParam *m_param; |
22f3361e | 479 | |
c0c133e1 | 480 | wxDECLARE_NO_COPY_CLASS(wxVirtualNode); |
a9c1265f VZ |
481 | }; |
482 | ||
f3ef286f | 483 | #ifdef __VISUALC__ |
197dd9af | 484 | #pragma warning( default : 4097 ) |
f3ef286f | 485 | #endif |
2bda0e17 | 486 | |
a9c1265f VZ |
487 | // a macro to get the virtual root, returns NULL if none |
488 | #define GET_VIRTUAL_ROOT() ((wxVirtualNode *)m_pVirtualRoot) | |
489 | ||
04cd30de | 490 | // returns true if the item is the virtual root |
a9c1265f VZ |
491 | #define IS_VIRTUAL_ROOT(item) (HITEM(item) == TVI_ROOT) |
492 | ||
9dfbf520 | 493 | // a class which encapsulates the tree traversal logic: it vists all (unless |
04cd30de | 494 | // OnVisit() returns false) items under the given one |
9dfbf520 VZ |
495 | class wxTreeTraversal |
496 | { | |
497 | public: | |
498 | wxTreeTraversal(const wxTreeCtrl *tree) | |
499 | { | |
500 | m_tree = tree; | |
501 | } | |
502 | ||
cc11ded1 VZ |
503 | // give it a virtual dtor: not really needed as the class is never used |
504 | // polymorphically and not even allocated on heap at all, but this is safer | |
505 | // (in case it ever is) and silences the compiler warnings for now | |
506 | virtual ~wxTreeTraversal() { } | |
507 | ||
9dfbf520 | 508 | // do traverse the tree: visit all items (recursively by default) under the |
04cd30de RL |
509 | // given one; return true if all items were traversed or false if the |
510 | // traversal was aborted because OnVisit returned false | |
511 | bool DoTraverse(const wxTreeItemId& root, bool recursively = true); | |
9dfbf520 VZ |
512 | |
513 | // override this function to do whatever is needed for each item, return | |
04cd30de | 514 | // false to stop traversing |
9dfbf520 VZ |
515 | virtual bool OnVisit(const wxTreeItemId& item) = 0; |
516 | ||
517 | protected: | |
518 | const wxTreeCtrl *GetTree() const { return m_tree; } | |
519 | ||
520 | private: | |
521 | bool Traverse(const wxTreeItemId& root, bool recursively); | |
522 | ||
523 | const wxTreeCtrl *m_tree; | |
22f3361e | 524 | |
c0c133e1 | 525 | wxDECLARE_NO_COPY_CLASS(wxTreeTraversal); |
9dfbf520 VZ |
526 | }; |
527 | ||
74b31181 VZ |
528 | // internal class for getting the selected items |
529 | class TraverseSelections : public wxTreeTraversal | |
530 | { | |
531 | public: | |
532 | TraverseSelections(const wxTreeCtrl *tree, | |
533 | wxArrayTreeItemIds& selections) | |
534 | : wxTreeTraversal(tree), m_selections(selections) | |
535 | { | |
536 | m_selections.Empty(); | |
537 | ||
b9e9b40c JS |
538 | if (tree->GetCount() > 0) |
539 | DoTraverse(tree->GetRootItem()); | |
74b31181 VZ |
540 | } |
541 | ||
542 | virtual bool OnVisit(const wxTreeItemId& item) | |
543 | { | |
0228081f VZ |
544 | const wxTreeCtrl * const tree = GetTree(); |
545 | ||
a9c1265f | 546 | // can't visit a virtual node. |
0228081f | 547 | if ( (tree->GetRootItem() == item) && tree->HasFlag(wxTR_HIDE_ROOT) ) |
a9c1265f | 548 | { |
04cd30de | 549 | return true; |
a9c1265f VZ |
550 | } |
551 | ||
0228081f | 552 | if ( ::IsItemSelected(GetHwndOf(tree), HITEM(item)) ) |
74b31181 VZ |
553 | { |
554 | m_selections.Add(item); | |
555 | } | |
556 | ||
04cd30de | 557 | return true; |
74b31181 VZ |
558 | } |
559 | ||
e47c4d48 VZ |
560 | size_t GetCount() const { return m_selections.GetCount(); } |
561 | ||
74b31181 VZ |
562 | private: |
563 | wxArrayTreeItemIds& m_selections; | |
fc7a2a60 | 564 | |
c0c133e1 | 565 | wxDECLARE_NO_COPY_CLASS(TraverseSelections); |
74b31181 VZ |
566 | }; |
567 | ||
568 | // internal class for counting tree items | |
569 | class TraverseCounter : public wxTreeTraversal | |
570 | { | |
571 | public: | |
572 | TraverseCounter(const wxTreeCtrl *tree, | |
573 | const wxTreeItemId& root, | |
574 | bool recursively) | |
575 | : wxTreeTraversal(tree) | |
576 | { | |
577 | m_count = 0; | |
578 | ||
579 | DoTraverse(root, recursively); | |
580 | } | |
581 | ||
33ac7e6f | 582 | virtual bool OnVisit(const wxTreeItemId& WXUNUSED(item)) |
74b31181 VZ |
583 | { |
584 | m_count++; | |
585 | ||
04cd30de | 586 | return true; |
74b31181 VZ |
587 | } |
588 | ||
589 | size_t GetCount() const { return m_count; } | |
590 | ||
591 | private: | |
592 | size_t m_count; | |
fc7a2a60 | 593 | |
c0c133e1 | 594 | wxDECLARE_NO_COPY_CLASS(TraverseCounter); |
74b31181 VZ |
595 | }; |
596 | ||
23f681ec | 597 | // ---------------------------------------------------------------------------- |
3f7bc32b | 598 | // wxWin macros |
08b7c251 VZ |
599 | // ---------------------------------------------------------------------------- |
600 | ||
08b7c251 | 601 | // ---------------------------------------------------------------------------- |
deb1de30 | 602 | // constants |
08b7c251 VZ |
603 | // ---------------------------------------------------------------------------- |
604 | ||
deb1de30 VZ |
605 | // indices in gs_expandEvents table below |
606 | enum | |
607 | { | |
608 | IDX_COLLAPSE, | |
609 | IDX_EXPAND, | |
610 | IDX_WHAT_MAX | |
611 | }; | |
612 | ||
613 | enum | |
614 | { | |
615 | IDX_DONE, | |
616 | IDX_DOING, | |
617 | IDX_HOW_MAX | |
618 | }; | |
619 | ||
620 | // handy table for sending events - it has to be initialized during run-time | |
621 | // now so can't be const any more | |
622 | static /* const */ wxEventType gs_expandEvents[IDX_WHAT_MAX][IDX_HOW_MAX]; | |
623 | ||
624 | /* | |
625 | but logically it's a const table with the following entries: | |
626 | = | |
2bda0e17 | 627 | { |
08b7c251 VZ |
628 | { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxEVT_COMMAND_TREE_ITEM_COLLAPSING }, |
629 | { wxEVT_COMMAND_TREE_ITEM_EXPANDED, wxEVT_COMMAND_TREE_ITEM_EXPANDING } | |
630 | }; | |
deb1de30 | 631 | */ |
08b7c251 VZ |
632 | |
633 | // ============================================================================ | |
634 | // implementation | |
635 | // ============================================================================ | |
636 | ||
9dfbf520 VZ |
637 | // ---------------------------------------------------------------------------- |
638 | // tree traversal | |
639 | // ---------------------------------------------------------------------------- | |
640 | ||
641 | bool wxTreeTraversal::DoTraverse(const wxTreeItemId& root, bool recursively) | |
642 | { | |
643 | if ( !OnVisit(root) ) | |
04cd30de | 644 | return false; |
9dfbf520 VZ |
645 | |
646 | return Traverse(root, recursively); | |
647 | } | |
648 | ||
649 | bool wxTreeTraversal::Traverse(const wxTreeItemId& root, bool recursively) | |
650 | { | |
ee4b2721 | 651 | wxTreeItemIdValue cookie; |
9dfbf520 VZ |
652 | wxTreeItemId child = m_tree->GetFirstChild(root, cookie); |
653 | while ( child.IsOk() ) | |
654 | { | |
655 | // depth first traversal | |
04cd30de RL |
656 | if ( recursively && !Traverse(child, true) ) |
657 | return false; | |
9dfbf520 VZ |
658 | |
659 | if ( !OnVisit(child) ) | |
04cd30de | 660 | return false; |
9dfbf520 VZ |
661 | |
662 | child = m_tree->GetNextChild(root, cookie); | |
663 | } | |
664 | ||
04cd30de | 665 | return true; |
9dfbf520 VZ |
666 | } |
667 | ||
08b7c251 VZ |
668 | // ---------------------------------------------------------------------------- |
669 | // construction and destruction | |
670 | // ---------------------------------------------------------------------------- | |
671 | ||
672 | void wxTreeCtrl::Init() | |
673 | { | |
08b7c251 | 674 | m_textCtrl = NULL; |
04cd30de | 675 | m_hasAnyAttr = false; |
68d9be05 | 676 | #if wxUSE_DRAGIMAGE |
23f681ec | 677 | m_dragImage = NULL; |
68d9be05 | 678 | #endif |
a9c1265f | 679 | m_pVirtualRoot = NULL; |
c7d9c476 VZ |
680 | m_dragStarted = false; |
681 | m_focusLost = true; | |
7dac12ef | 682 | m_changingSelection = false; |
c7d9c476 | 683 | m_triggerStateImageClick = false; |
d301c440 | 684 | m_mouseUpDeselect = false; |
9ab5ef13 | 685 | |
deb1de30 VZ |
686 | // initialize the global array of events now as it can't be done statically |
687 | // with the wxEVT_XXX values being allocated during run-time only | |
688 | gs_expandEvents[IDX_COLLAPSE][IDX_DONE] = wxEVT_COMMAND_TREE_ITEM_COLLAPSED; | |
689 | gs_expandEvents[IDX_COLLAPSE][IDX_DOING] = wxEVT_COMMAND_TREE_ITEM_COLLAPSING; | |
690 | gs_expandEvents[IDX_EXPAND][IDX_DONE] = wxEVT_COMMAND_TREE_ITEM_EXPANDED; | |
691 | gs_expandEvents[IDX_EXPAND][IDX_DOING] = wxEVT_COMMAND_TREE_ITEM_EXPANDING; | |
2bda0e17 KB |
692 | } |
693 | ||
9dfbf520 VZ |
694 | bool wxTreeCtrl::Create(wxWindow *parent, |
695 | wxWindowID id, | |
696 | const wxPoint& pos, | |
697 | const wxSize& size, | |
698 | long style, | |
699 | const wxValidator& validator, | |
08b7c251 | 700 | const wxString& name) |
2bda0e17 | 701 | { |
08b7c251 | 702 | Init(); |
2bda0e17 | 703 | |
7699361c JS |
704 | if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT ) |
705 | style |= wxBORDER_SUNKEN; | |
706 | ||
9dfbf520 | 707 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) |
04cd30de | 708 | return false; |
2bda0e17 | 709 | |
823b140b | 710 | WXDWORD exStyle = 0; |
7699361c JS |
711 | DWORD wstyle = MSWGetStyle(m_windowStyle, & exStyle); |
712 | wstyle |= WS_TABSTOP | TVS_SHOWSELALWAYS; | |
2bda0e17 | 713 | |
c7d9c476 | 714 | if ( !(m_windowStyle & wxTR_NO_LINES) ) |
63da7df7 | 715 | wstyle |= TVS_HASLINES; |
08b7c251 VZ |
716 | if ( m_windowStyle & wxTR_HAS_BUTTONS ) |
717 | wstyle |= TVS_HASBUTTONS; | |
2bda0e17 | 718 | |
08b7c251 VZ |
719 | if ( m_windowStyle & wxTR_EDIT_LABELS ) |
720 | wstyle |= TVS_EDITLABELS; | |
2bda0e17 | 721 | |
08b7c251 VZ |
722 | if ( m_windowStyle & wxTR_LINES_AT_ROOT ) |
723 | wstyle |= TVS_LINESATROOT; | |
deb1de30 | 724 | |
c6f4913a | 725 | if ( m_windowStyle & wxTR_FULL_ROW_HIGHLIGHT ) |
deb1de30 | 726 | { |
2a1f999f | 727 | if ( wxApp::GetComCtl32Version() >= 471 ) |
c6f4913a VS |
728 | wstyle |= TVS_FULLROWSELECT; |
729 | } | |
730 | ||
f3f71703 | 731 | #if !defined(__WXWINCE__) && defined(TVS_INFOTIP) |
156194e1 JS |
732 | // Need so that TVN_GETINFOTIP messages will be sent |
733 | wstyle |= TVS_INFOTIP; | |
676d6550 | 734 | #endif |
5e7718a2 | 735 | |
08b7c251 | 736 | // Create the tree control. |
8779cca3 | 737 | if ( !MSWCreateControl(WC_TREEVIEW, wstyle, pos, size) ) |
04cd30de | 738 | return false; |
9dfbf520 | 739 | |
a756f210 | 740 | SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); |
f6bcfd97 | 741 | SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); |
fbdcff4a | 742 | |
9a63feff VZ |
743 | wxSetCCUnicodeFormat(GetHwnd()); |
744 | ||
e615d356 VZ |
745 | if ( m_windowStyle & wxTR_TWIST_BUTTONS ) |
746 | { | |
747 | // Under Vista and later Explorer uses rotating ("twist") buttons | |
748 | // instead of the default "+/-" ones so apply its theme to the tree | |
749 | // control to implement this style. | |
750 | if ( wxGetWinVersion() >= wxWinVersion_Vista ) | |
751 | { | |
752 | if ( wxUxThemeEngine *theme = wxUxThemeEngine::GetIfActive() ) | |
753 | { | |
754 | theme->SetWindowTheme(GetHwnd(), L"EXPLORER", NULL); | |
755 | } | |
756 | } | |
757 | } | |
758 | ||
04cd30de | 759 | return true; |
2bda0e17 KB |
760 | } |
761 | ||
08b7c251 | 762 | wxTreeCtrl::~wxTreeCtrl() |
2bda0e17 | 763 | { |
696e1ea0 VZ |
764 | // delete any attributes |
765 | if ( m_hasAnyAttr ) | |
766 | { | |
ee4b2721 | 767 | WX_CLEAR_HASH_MAP(wxMapTreeAttr, m_attrs); |
696e1ea0 VZ |
768 | |
769 | // prevent TVN_DELETEITEM handler from deleting the attributes again! | |
04cd30de | 770 | m_hasAnyAttr = false; |
696e1ea0 VZ |
771 | } |
772 | ||
08b7c251 | 773 | DeleteTextCtrl(); |
2bda0e17 | 774 | |
08b7c251 | 775 | // delete user data to prevent memory leaks |
a9c1265f | 776 | // also deletes hidden root node storage. |
08b7c251 | 777 | DeleteAllItems(); |
2bda0e17 KB |
778 | } |
779 | ||
08b7c251 VZ |
780 | // ---------------------------------------------------------------------------- |
781 | // accessors | |
782 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 783 | |
39c7a53c VZ |
784 | /* static */ wxVisualAttributes |
785 | wxTreeCtrl::GetClassDefaultAttributes(wxWindowVariant variant) | |
786 | { | |
787 | wxVisualAttributes attrs = GetCompositeControlsDefaultAttributes(variant); | |
788 | ||
789 | // common controls have their own default font | |
790 | attrs.font = wxGetCCDefaultFont(); | |
791 | ||
792 | return attrs; | |
793 | } | |
794 | ||
795 | ||
08b7c251 | 796 | // simple wrappers which add error checking in debug mode |
2bda0e17 | 797 | |
4523ebb3 | 798 | bool wxTreeCtrl::DoGetItem(wxTreeViewItem *tvItem) const |
2bda0e17 | 799 | { |
04cd30de | 800 | wxCHECK_MSG( tvItem->hItem != TVI_ROOT, false, |
9a83f860 | 801 | wxT("can't retrieve virtual root item") ); |
a9c1265f | 802 | |
d220ae32 | 803 | if ( !TreeView_GetItem(GetHwnd(), tvItem) ) |
2bda0e17 | 804 | { |
f6bcfd97 | 805 | wxLogLastError(wxT("TreeView_GetItem")); |
08b7c251 | 806 | |
04cd30de | 807 | return false; |
08b7c251 VZ |
808 | } |
809 | ||
04cd30de | 810 | return true; |
2bda0e17 KB |
811 | } |
812 | ||
4523ebb3 | 813 | void wxTreeCtrl::DoSetItem(wxTreeViewItem *tvItem) |
2bda0e17 | 814 | { |
5fe302ef BW |
815 | TreeItemUnlocker unlocker(tvItem->hItem); |
816 | ||
d220ae32 | 817 | if ( TreeView_SetItem(GetHwnd(), tvItem) == -1 ) |
2bda0e17 | 818 | { |
f6bcfd97 | 819 | wxLogLastError(wxT("TreeView_SetItem")); |
08b7c251 | 820 | } |
2bda0e17 KB |
821 | } |
822 | ||
027d45e8 | 823 | unsigned int wxTreeCtrl::GetCount() const |
2bda0e17 | 824 | { |
027d45e8 | 825 | return (unsigned int)TreeView_GetCount(GetHwnd()); |
2bda0e17 KB |
826 | } |
827 | ||
08b7c251 | 828 | unsigned int wxTreeCtrl::GetIndent() const |
2bda0e17 | 829 | { |
d220ae32 | 830 | return TreeView_GetIndent(GetHwnd()); |
2bda0e17 KB |
831 | } |
832 | ||
08b7c251 | 833 | void wxTreeCtrl::SetIndent(unsigned int indent) |
2bda0e17 | 834 | { |
d220ae32 | 835 | TreeView_SetIndent(GetHwnd(), indent); |
2bda0e17 KB |
836 | } |
837 | ||
08b7c251 | 838 | void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which) |
2bda0e17 | 839 | { |
08b7c251 | 840 | // no error return |
8ecd5de2 WS |
841 | (void) TreeView_SetImageList(GetHwnd(), |
842 | imageList ? imageList->GetHIMAGELIST() : 0, | |
843 | which); | |
2bda0e17 KB |
844 | } |
845 | ||
08b7c251 | 846 | void wxTreeCtrl::SetImageList(wxImageList *imageList) |
2bda0e17 | 847 | { |
a9c1265f VZ |
848 | if (m_ownsImageListNormal) |
849 | delete m_imageListNormal; | |
850 | ||
08b7c251 | 851 | SetAnyImageList(m_imageListNormal = imageList, TVSIL_NORMAL); |
04cd30de | 852 | m_ownsImageListNormal = false; |
2bda0e17 KB |
853 | } |
854 | ||
08b7c251 | 855 | void wxTreeCtrl::SetStateImageList(wxImageList *imageList) |
2bda0e17 | 856 | { |
0377efa2 | 857 | if (m_ownsImageListState) delete m_imageListState; |
08b7c251 | 858 | SetAnyImageList(m_imageListState = imageList, TVSIL_STATE); |
04cd30de | 859 | m_ownsImageListState = false; |
0377efa2 VS |
860 | } |
861 | ||
33961d59 RR |
862 | size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, |
863 | bool recursively) const | |
864 | { | |
05b2a432 | 865 | wxCHECK_MSG( item.IsOk(), 0u, wxT("invalid tree item") ); |
23fd5130 | 866 | |
05b2a432 | 867 | TraverseCounter counter(this, item, recursively); |
73974df1 | 868 | return counter.GetCount() - 1; |
23fd5130 VZ |
869 | } |
870 | ||
bb448552 VZ |
871 | // ---------------------------------------------------------------------------- |
872 | // control colours | |
873 | // ---------------------------------------------------------------------------- | |
874 | ||
875 | bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour) | |
876 | { | |
877 | if ( !wxWindowBase::SetBackgroundColour(colour) ) | |
04cd30de | 878 | return false; |
bb448552 | 879 | |
bfbb0b4c | 880 | ::SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel()); |
bb448552 | 881 | |
04cd30de | 882 | return true; |
bb448552 VZ |
883 | } |
884 | ||
885 | bool wxTreeCtrl::SetForegroundColour(const wxColour &colour) | |
886 | { | |
887 | if ( !wxWindowBase::SetForegroundColour(colour) ) | |
04cd30de | 888 | return false; |
bb448552 | 889 | |
bfbb0b4c | 890 | ::SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel()); |
bb448552 | 891 | |
04cd30de | 892 | return true; |
bb448552 VZ |
893 | } |
894 | ||
08b7c251 VZ |
895 | // ---------------------------------------------------------------------------- |
896 | // Item access | |
897 | // ---------------------------------------------------------------------------- | |
898 | ||
0228081f VZ |
899 | bool wxTreeCtrl::IsHiddenRoot(const wxTreeItemId& item) const |
900 | { | |
901 | return HITEM(item) == TVI_ROOT && HasFlag(wxTR_HIDE_ROOT); | |
902 | } | |
903 | ||
08b7c251 | 904 | wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const |
2bda0e17 | 905 | { |
f31a4098 | 906 | wxCHECK_MSG( item.IsOk(), wxEmptyString, wxT("invalid tree item") ); |
05b2a432 | 907 | |
837e5743 | 908 | wxChar buf[512]; // the size is arbitrary... |
02ce7b72 | 909 | |
08b7c251 VZ |
910 | wxTreeViewItem tvItem(item, TVIF_TEXT); |
911 | tvItem.pszText = buf; | |
912 | tvItem.cchTextMax = WXSIZEOF(buf); | |
913 | if ( !DoGetItem(&tvItem) ) | |
914 | { | |
915 | // don't return some garbage which was on stack, but an empty string | |
223d09f6 | 916 | buf[0] = wxT('\0'); |
08b7c251 | 917 | } |
2bda0e17 | 918 | |
08b7c251 VZ |
919 | return wxString(buf); |
920 | } | |
2bda0e17 | 921 | |
08b7c251 VZ |
922 | void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) |
923 | { | |
05b2a432 RD |
924 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
925 | ||
a9c1265f VZ |
926 | if ( IS_VIRTUAL_ROOT(item) ) |
927 | return; | |
928 | ||
08b7c251 | 929 | wxTreeViewItem tvItem(item, TVIF_TEXT); |
c9f78968 | 930 | tvItem.pszText = (wxChar *)text.wx_str(); // conversion is ok |
08b7c251 | 931 | DoSetItem(&tvItem); |
44fbc477 VZ |
932 | |
933 | // when setting the text of the item being edited, the text control should | |
934 | // be updated to reflect the new text as well, otherwise calling | |
935 | // SetItemText() in the OnBeginLabelEdit() handler doesn't have any effect | |
936 | // | |
937 | // don't use GetEditControl() here because m_textCtrl is not set yet | |
938 | HWND hwndEdit = TreeView_GetEditControl(GetHwnd()); | |
939 | if ( hwndEdit ) | |
940 | { | |
1a4088e1 | 941 | if ( item == m_idEdited ) |
44fbc477 | 942 | { |
e0a050e3 | 943 | ::SetWindowText(hwndEdit, text.wx_str()); |
44fbc477 VZ |
944 | } |
945 | } | |
08b7c251 | 946 | } |
2bda0e17 | 947 | |
4523ebb3 VZ |
948 | int wxTreeCtrl::GetItemImage(const wxTreeItemId& item, |
949 | wxTreeItemIcon which) const | |
74b31181 | 950 | { |
4523ebb3 VZ |
951 | wxCHECK_MSG( item.IsOk(), -1, wxT("invalid tree item") ); |
952 | ||
0228081f | 953 | if ( IsHiddenRoot(item) ) |
74b31181 | 954 | { |
4523ebb3 | 955 | // no images for hidden root item |
74b31181 VZ |
956 | return -1; |
957 | } | |
958 | ||
4523ebb3 VZ |
959 | wxTreeItemParam *param = GetItemParam(item); |
960 | ||
1b182562 | 961 | return param && param->HasImage(which) ? param->GetImage(which) : -1; |
74b31181 VZ |
962 | } |
963 | ||
4523ebb3 VZ |
964 | void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image, |
965 | wxTreeItemIcon which) | |
74b31181 | 966 | { |
4523ebb3 VZ |
967 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
968 | wxCHECK_RET( which >= 0 && | |
969 | which < wxTreeItemIcon_Max, | |
970 | wxT("invalid image index")); | |
971 | ||
972 | ||
0228081f | 973 | if ( IsHiddenRoot(item) ) |
74b31181 | 974 | { |
4523ebb3 | 975 | // no images for hidden root item |
74b31181 VZ |
976 | return; |
977 | } | |
978 | ||
4523ebb3 VZ |
979 | wxTreeItemParam *data = GetItemParam(item); |
980 | if ( !data ) | |
981 | return; | |
74b31181 VZ |
982 | |
983 | data->SetImage(image, which); | |
f5bed7a8 VS |
984 | |
985 | RefreshItem(item); | |
74b31181 VZ |
986 | } |
987 | ||
4523ebb3 | 988 | wxTreeItemParam *wxTreeCtrl::GetItemParam(const wxTreeItemId& item) const |
2bda0e17 | 989 | { |
05b2a432 RD |
990 | wxCHECK_MSG( item.IsOk(), NULL, wxT("invalid tree item") ); |
991 | ||
08b7c251 | 992 | wxTreeViewItem tvItem(item, TVIF_PARAM); |
a9c1265f | 993 | |
ae322a48 VZ |
994 | // hidden root may still have data. |
995 | if ( IS_VIRTUAL_ROOT(item) ) | |
996 | { | |
997 | return GET_VIRTUAL_ROOT()->GetParam(); | |
998 | } | |
999 | ||
1000 | // visible node. | |
1001 | if ( !DoGetItem(&tvItem) ) | |
08b7c251 VZ |
1002 | { |
1003 | return NULL; | |
1004 | } | |
2bda0e17 | 1005 | |
4523ebb3 | 1006 | return (wxTreeItemParam *)tvItem.lParam; |
2bda0e17 KB |
1007 | } |
1008 | ||
c7d9c476 VZ |
1009 | bool wxTreeCtrl::HandleTreeEvent(wxTreeEvent& event) const |
1010 | { | |
1011 | if ( event.m_item.IsOk() ) | |
1012 | { | |
1013 | event.SetClientObject(GetItemData(event.m_item)); | |
1014 | } | |
1015 | ||
1016 | return HandleWindowEvent(event); | |
1017 | } | |
1018 | ||
4523ebb3 | 1019 | wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const |
2bda0e17 | 1020 | { |
4523ebb3 | 1021 | wxTreeItemParam *data = GetItemParam(item); |
05b2a432 | 1022 | |
4523ebb3 VZ |
1023 | return data ? data->GetData() : NULL; |
1024 | } | |
a9c1265f | 1025 | |
4523ebb3 VZ |
1026 | void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data) |
1027 | { | |
188781db VZ |
1028 | // first, associate this piece of data with this item |
1029 | if ( data ) | |
1030 | { | |
1031 | data->SetId(item); | |
1032 | } | |
1033 | ||
4523ebb3 | 1034 | wxTreeItemParam *param = GetItemParam(item); |
74b31181 | 1035 | |
4523ebb3 | 1036 | wxCHECK_RET( param, wxT("failed to change tree items data") ); |
74b31181 | 1037 | |
4523ebb3 | 1038 | param->SetData(data); |
08b7c251 | 1039 | } |
2bda0e17 | 1040 | |
3a5a2f56 VZ |
1041 | void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) |
1042 | { | |
05b2a432 RD |
1043 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
1044 | ||
a9c1265f VZ |
1045 | if ( IS_VIRTUAL_ROOT(item) ) |
1046 | return; | |
1047 | ||
3a5a2f56 VZ |
1048 | wxTreeViewItem tvItem(item, TVIF_CHILDREN); |
1049 | tvItem.cChildren = (int)has; | |
1050 | DoSetItem(&tvItem); | |
1051 | } | |
1052 | ||
add28c55 VZ |
1053 | void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold) |
1054 | { | |
05b2a432 RD |
1055 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
1056 | ||
a9c1265f VZ |
1057 | if ( IS_VIRTUAL_ROOT(item) ) |
1058 | return; | |
1059 | ||
add28c55 VZ |
1060 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_BOLD); |
1061 | tvItem.state = bold ? TVIS_BOLD : 0; | |
1062 | DoSetItem(&tvItem); | |
1063 | } | |
1064 | ||
58a8ab88 JS |
1065 | void wxTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item, bool highlight) |
1066 | { | |
a9c1265f VZ |
1067 | if ( IS_VIRTUAL_ROOT(item) ) |
1068 | return; | |
1069 | ||
58a8ab88 JS |
1070 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_DROPHILITED); |
1071 | tvItem.state = highlight ? TVIS_DROPHILITED : 0; | |
1072 | DoSetItem(&tvItem); | |
1073 | } | |
1074 | ||
d00407b2 VZ |
1075 | void wxTreeCtrl::RefreshItem(const wxTreeItemId& item) |
1076 | { | |
a9c1265f VZ |
1077 | if ( IS_VIRTUAL_ROOT(item) ) |
1078 | return; | |
1079 | ||
d00407b2 VZ |
1080 | wxRect rect; |
1081 | if ( GetBoundingRect(item, rect) ) | |
1082 | { | |
1083 | RefreshRect(rect); | |
1084 | } | |
1085 | } | |
1086 | ||
2b5f62a0 VZ |
1087 | wxColour wxTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const |
1088 | { | |
05b2a432 | 1089 | wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") ); |
2b5f62a0 | 1090 | |
05b2a432 | 1091 | wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem); |
ee4b2721 | 1092 | return it == m_attrs.end() ? wxNullColour : it->second->GetTextColour(); |
2b5f62a0 VZ |
1093 | } |
1094 | ||
1095 | wxColour wxTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& item) const | |
1096 | { | |
05b2a432 | 1097 | wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") ); |
2b5f62a0 | 1098 | |
05b2a432 | 1099 | wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem); |
ee4b2721 | 1100 | return it == m_attrs.end() ? wxNullColour : it->second->GetBackgroundColour(); |
2b5f62a0 VZ |
1101 | } |
1102 | ||
1103 | wxFont wxTreeCtrl::GetItemFont(const wxTreeItemId& item) const | |
1104 | { | |
05b2a432 | 1105 | wxCHECK_MSG( item.IsOk(), wxNullFont, wxT("invalid tree item") ); |
2b5f62a0 | 1106 | |
05b2a432 | 1107 | wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem); |
ee4b2721 | 1108 | return it == m_attrs.end() ? wxNullFont : it->second->GetFont(); |
2b5f62a0 VZ |
1109 | } |
1110 | ||
696e1ea0 VZ |
1111 | void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item, |
1112 | const wxColour& col) | |
1113 | { | |
05b2a432 RD |
1114 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
1115 | ||
ee4b2721 | 1116 | wxTreeItemAttr *attr; |
f888d614 | 1117 | wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem); |
ee4b2721 | 1118 | if ( it == m_attrs.end() ) |
696e1ea0 | 1119 | { |
ee4b2721 VZ |
1120 | m_hasAnyAttr = true; |
1121 | ||
f888d614 | 1122 | m_attrs[item.m_pItem] = |
696e1ea0 | 1123 | attr = new wxTreeItemAttr; |
ee4b2721 VZ |
1124 | } |
1125 | else | |
1126 | { | |
1127 | attr = it->second; | |
696e1ea0 VZ |
1128 | } |
1129 | ||
1130 | attr->SetTextColour(col); | |
d00407b2 VZ |
1131 | |
1132 | RefreshItem(item); | |
696e1ea0 VZ |
1133 | } |
1134 | ||
1135 | void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item, | |
1136 | const wxColour& col) | |
1137 | { | |
05b2a432 RD |
1138 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
1139 | ||
ee4b2721 | 1140 | wxTreeItemAttr *attr; |
f888d614 | 1141 | wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem); |
ee4b2721 | 1142 | if ( it == m_attrs.end() ) |
696e1ea0 | 1143 | { |
ee4b2721 VZ |
1144 | m_hasAnyAttr = true; |
1145 | ||
f888d614 | 1146 | m_attrs[item.m_pItem] = |
696e1ea0 | 1147 | attr = new wxTreeItemAttr; |
ee4b2721 VZ |
1148 | } |
1149 | else // already in the hash | |
1150 | { | |
1151 | attr = it->second; | |
696e1ea0 VZ |
1152 | } |
1153 | ||
1154 | attr->SetBackgroundColour(col); | |
d00407b2 VZ |
1155 | |
1156 | RefreshItem(item); | |
696e1ea0 VZ |
1157 | } |
1158 | ||
1159 | void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font) | |
1160 | { | |
05b2a432 RD |
1161 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
1162 | ||
ee4b2721 | 1163 | wxTreeItemAttr *attr; |
f888d614 | 1164 | wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem); |
ee4b2721 | 1165 | if ( it == m_attrs.end() ) |
696e1ea0 | 1166 | { |
ee4b2721 VZ |
1167 | m_hasAnyAttr = true; |
1168 | ||
f888d614 | 1169 | m_attrs[item.m_pItem] = |
696e1ea0 | 1170 | attr = new wxTreeItemAttr; |
ee4b2721 VZ |
1171 | } |
1172 | else // already in the hash | |
1173 | { | |
1174 | attr = it->second; | |
696e1ea0 VZ |
1175 | } |
1176 | ||
1177 | attr->SetFont(font); | |
d00407b2 | 1178 | |
2bd16277 RD |
1179 | // Reset the item's text to ensure that the bounding rect will be adjusted |
1180 | // for the new font. | |
1181 | SetItemText(item, GetItemText(item)); | |
72e61024 | 1182 | |
d00407b2 | 1183 | RefreshItem(item); |
696e1ea0 VZ |
1184 | } |
1185 | ||
08b7c251 VZ |
1186 | // ---------------------------------------------------------------------------- |
1187 | // Item status | |
1188 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 1189 | |
08b7c251 VZ |
1190 | bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const |
1191 | { | |
bfbb0b4c | 1192 | wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); |
05b2a432 | 1193 | |
2b5f62a0 VZ |
1194 | if ( item == wxTreeItemId(TVI_ROOT) ) |
1195 | { | |
1196 | // virtual (hidden) root is never visible | |
04cd30de | 1197 | return false; |
2b5f62a0 VZ |
1198 | } |
1199 | ||
add28c55 | 1200 | // Bug in Gnu-Win32 headers, so don't use the macro TreeView_GetItemRect |
08b7c251 | 1201 | RECT rect; |
955be36c VZ |
1202 | |
1203 | // this ugliness comes directly from MSDN - it *is* the correct way to pass | |
1204 | // the HTREEITEM with TVM_GETITEMRECT | |
ee4b2721 | 1205 | *(HTREEITEM *)&rect = HITEM(item); |
955be36c | 1206 | |
caea927d VZ |
1207 | // true means to get rect for just the text, not the whole line |
1208 | if ( !::SendMessage(GetHwnd(), TVM_GETITEMRECT, true, (LPARAM)&rect) ) | |
1209 | { | |
1210 | // if TVM_GETITEMRECT returned false, then the item is definitely not | |
1211 | // visible (because its parent is not expanded) | |
1212 | return false; | |
1213 | } | |
1214 | ||
1215 | // however if it returned true, the item might still be outside the | |
1216 | // currently visible part of the tree, test for it (notice that partly | |
1217 | // visible means visible here) | |
1218 | return rect.bottom > 0 && rect.top < GetClientSize().y; | |
2bda0e17 KB |
1219 | } |
1220 | ||
08b7c251 | 1221 | bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const |
2bda0e17 | 1222 | { |
bfbb0b4c | 1223 | wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); |
05b2a432 | 1224 | |
fa97ee24 VZ |
1225 | if ( IS_VIRTUAL_ROOT(item) ) |
1226 | { | |
1227 | wxTreeItemIdValue cookie; | |
1228 | return GetFirstChild(item, cookie).IsOk(); | |
1229 | } | |
1230 | ||
08b7c251 | 1231 | wxTreeViewItem tvItem(item, TVIF_CHILDREN); |
ae322a48 | 1232 | DoGetItem(&tvItem); |
2bda0e17 | 1233 | |
08b7c251 | 1234 | return tvItem.cChildren != 0; |
2bda0e17 KB |
1235 | } |
1236 | ||
08b7c251 | 1237 | bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const |
2bda0e17 | 1238 | { |
bfbb0b4c | 1239 | wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); |
2bda0e17 | 1240 | |
08b7c251 VZ |
1241 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDED); |
1242 | DoGetItem(&tvItem); | |
2bda0e17 | 1243 | |
08b7c251 | 1244 | return (tvItem.state & TVIS_EXPANDED) != 0; |
2bda0e17 KB |
1245 | } |
1246 | ||
08b7c251 | 1247 | bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const |
2bda0e17 | 1248 | { |
bfbb0b4c | 1249 | wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); |
05b2a432 | 1250 | |
08b7c251 VZ |
1251 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_SELECTED); |
1252 | DoGetItem(&tvItem); | |
2bda0e17 | 1253 | |
08b7c251 | 1254 | return (tvItem.state & TVIS_SELECTED) != 0; |
2bda0e17 KB |
1255 | } |
1256 | ||
add28c55 VZ |
1257 | bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const |
1258 | { | |
bfbb0b4c | 1259 | wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); |
05b2a432 | 1260 | |
add28c55 VZ |
1261 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_BOLD); |
1262 | DoGetItem(&tvItem); | |
1263 | ||
1264 | return (tvItem.state & TVIS_BOLD) != 0; | |
1265 | } | |
1266 | ||
08b7c251 VZ |
1267 | // ---------------------------------------------------------------------------- |
1268 | // navigation | |
1269 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 1270 | |
08b7c251 VZ |
1271 | wxTreeItemId wxTreeCtrl::GetRootItem() const |
1272 | { | |
a9c1265f VZ |
1273 | // Root may be real (visible) or virtual (hidden). |
1274 | if ( GET_VIRTUAL_ROOT() ) | |
1275 | return TVI_ROOT; | |
1276 | ||
ee4b2721 | 1277 | return wxTreeItemId(TreeView_GetRoot(GetHwnd())); |
08b7c251 | 1278 | } |
2bda0e17 | 1279 | |
08b7c251 VZ |
1280 | wxTreeItemId wxTreeCtrl::GetSelection() const |
1281 | { | |
c7d9c476 | 1282 | wxCHECK_MSG( !HasFlag(wxTR_MULTIPLE), wxTreeItemId(), |
223d09f6 | 1283 | wxT("this only works with single selection controls") ); |
9dfbf520 | 1284 | |
3c01c595 VZ |
1285 | return GetFocusedItem(); |
1286 | } | |
1287 | ||
1288 | wxTreeItemId wxTreeCtrl::GetFocusedItem() const | |
1289 | { | |
ee4b2721 | 1290 | return wxTreeItemId(TreeView_GetSelection(GetHwnd())); |
2bda0e17 KB |
1291 | } |
1292 | ||
99006e44 | 1293 | wxTreeItemId wxTreeCtrl::GetItemParent(const wxTreeItemId& item) const |
2bda0e17 | 1294 | { |
05b2a432 RD |
1295 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
1296 | ||
c9b142c9 VZ |
1297 | HTREEITEM hItem; |
1298 | ||
1299 | if ( IS_VIRTUAL_ROOT(item) ) | |
1300 | { | |
1301 | // no parent for the virtual root | |
1302 | hItem = 0; | |
1303 | } | |
1304 | else // normal item | |
a9c1265f | 1305 | { |
c9b142c9 VZ |
1306 | hItem = TreeView_GetParent(GetHwnd(), HITEM(item)); |
1307 | if ( !hItem && HasFlag(wxTR_HIDE_ROOT) ) | |
1308 | { | |
1309 | // the top level items should have the virtual root as their parent | |
1310 | hItem = TVI_ROOT; | |
1311 | } | |
a9c1265f VZ |
1312 | } |
1313 | ||
ee4b2721 | 1314 | return wxTreeItemId(hItem); |
08b7c251 | 1315 | } |
2bda0e17 | 1316 | |
08b7c251 | 1317 | wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, |
ee4b2721 | 1318 | wxTreeItemIdValue& cookie) const |
08b7c251 | 1319 | { |
05b2a432 RD |
1320 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
1321 | ||
08b7c251 | 1322 | // remember the last child returned in 'cookie' |
ee4b2721 VZ |
1323 | cookie = TreeView_GetChild(GetHwnd(), HITEM(item)); |
1324 | ||
1325 | return wxTreeItemId(cookie); | |
1326 | } | |
1327 | ||
1328 | wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item), | |
1329 | wxTreeItemIdValue& cookie) const | |
1330 | { | |
44d60c0b WS |
1331 | wxTreeItemId fromCookie(cookie); |
1332 | ||
1333 | HTREEITEM hitem = HITEM(fromCookie); | |
1334 | ||
1335 | hitem = TreeView_GetNextSibling(GetHwnd(), hitem); | |
1336 | ||
1337 | wxTreeItemId item(hitem); | |
1338 | ||
ee4b2721 VZ |
1339 | cookie = item.m_pItem; |
1340 | ||
1341 | return item; | |
1342 | } | |
2bda0e17 | 1343 | |
978f38c2 VZ |
1344 | wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const |
1345 | { | |
05b2a432 RD |
1346 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
1347 | ||
978f38c2 | 1348 | // can this be done more efficiently? |
ee4b2721 | 1349 | wxTreeItemIdValue cookie; |
978f38c2 VZ |
1350 | |
1351 | wxTreeItemId childLast, | |
2165ad93 | 1352 | child = GetFirstChild(item, cookie); |
978f38c2 VZ |
1353 | while ( child.IsOk() ) |
1354 | { | |
1355 | childLast = child; | |
2165ad93 | 1356 | child = GetNextChild(item, cookie); |
978f38c2 VZ |
1357 | } |
1358 | ||
1359 | return childLast; | |
1360 | } | |
1361 | ||
08b7c251 VZ |
1362 | wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const |
1363 | { | |
05b2a432 | 1364 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
ee4b2721 | 1365 | return wxTreeItemId(TreeView_GetNextSibling(GetHwnd(), HITEM(item))); |
2bda0e17 KB |
1366 | } |
1367 | ||
08b7c251 | 1368 | wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const |
2bda0e17 | 1369 | { |
05b2a432 | 1370 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
ee4b2721 | 1371 | return wxTreeItemId(TreeView_GetPrevSibling(GetHwnd(), HITEM(item))); |
2bda0e17 KB |
1372 | } |
1373 | ||
08b7c251 | 1374 | wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const |
2bda0e17 | 1375 | { |
ee4b2721 | 1376 | return wxTreeItemId(TreeView_GetFirstVisible(GetHwnd())); |
2bda0e17 KB |
1377 | } |
1378 | ||
08b7c251 | 1379 | wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const |
2bda0e17 | 1380 | { |
05b2a432 | 1381 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
f6bcfd97 | 1382 | wxASSERT_MSG( IsVisible(item), wxT("The item you call GetNextVisible() for must be visible itself!")); |
02ce7b72 | 1383 | |
f73eddd2 VZ |
1384 | wxTreeItemId next(TreeView_GetNextVisible(GetHwnd(), HITEM(item))); |
1385 | if ( next.IsOk() && !IsVisible(next) ) | |
1386 | { | |
1387 | // Win32 considers that any non-collapsed item is visible while we want | |
1388 | // to return only really visible items | |
1389 | next.Unset(); | |
1390 | } | |
1391 | ||
1392 | return next; | |
08b7c251 | 1393 | } |
02ce7b72 | 1394 | |
08b7c251 VZ |
1395 | wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const |
1396 | { | |
05b2a432 | 1397 | wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); |
f6bcfd97 | 1398 | wxASSERT_MSG( IsVisible(item), wxT("The item you call GetPrevVisible() for must be visible itself!")); |
02ce7b72 | 1399 | |
f73eddd2 VZ |
1400 | wxTreeItemId prev(TreeView_GetPrevVisible(GetHwnd(), HITEM(item))); |
1401 | if ( prev.IsOk() && !IsVisible(prev) ) | |
1402 | { | |
1403 | // just as above, Win32 function will happily return the previous item | |
1404 | // in the tree for the first visible item too | |
1405 | prev.Unset(); | |
1406 | } | |
1407 | ||
1408 | return prev; | |
08b7c251 | 1409 | } |
02ce7b72 | 1410 | |
9dfbf520 VZ |
1411 | // ---------------------------------------------------------------------------- |
1412 | // multiple selections emulation | |
1413 | // ---------------------------------------------------------------------------- | |
1414 | ||
33961d59 RR |
1415 | size_t wxTreeCtrl::GetSelections(wxArrayTreeItemIds& selections) const |
1416 | { | |
1417 | TraverseSelections selector(this, selections); | |
9dfbf520 | 1418 | |
e47c4d48 | 1419 | return selector.GetCount(); |
9dfbf520 VZ |
1420 | } |
1421 | ||
08b7c251 VZ |
1422 | // ---------------------------------------------------------------------------- |
1423 | // Usual operations | |
1424 | // ---------------------------------------------------------------------------- | |
02ce7b72 | 1425 | |
8cee4a30 VZ |
1426 | wxTreeItemId wxTreeCtrl::DoInsertAfter(const wxTreeItemId& parent, |
1427 | const wxTreeItemId& hInsertAfter, | |
1428 | const wxString& text, | |
1429 | int image, int selectedImage, | |
1430 | wxTreeItemData *data) | |
08b7c251 | 1431 | { |
0e935169 VZ |
1432 | wxCHECK_MSG( parent.IsOk() || !TreeView_GetRoot(GetHwnd()), |
1433 | wxTreeItemId(), | |
9a83f860 | 1434 | wxT("can't have more than one root in the tree") ); |
0e935169 | 1435 | |
08b7c251 | 1436 | TV_INSERTSTRUCT tvIns; |
3f7bc32b VZ |
1437 | tvIns.hParent = HITEM(parent); |
1438 | tvIns.hInsertAfter = HITEM(hInsertAfter); | |
58a8ab88 | 1439 | |
74b31181 VZ |
1440 | // this is how we insert the item as the first child: supply a NULL |
1441 | // hInsertAfter | |
1442 | if ( !tvIns.hInsertAfter ) | |
58a8ab88 JS |
1443 | { |
1444 | tvIns.hInsertAfter = TVI_FIRST; | |
1445 | } | |
1446 | ||
08b7c251 | 1447 | UINT mask = 0; |
44d60c0b | 1448 | if ( !text.empty() ) |
08b7c251 VZ |
1449 | { |
1450 | mask |= TVIF_TEXT; | |
c9f78968 | 1451 | tvIns.item.pszText = (wxChar *)text.wx_str(); // cast is ok |
08b7c251 | 1452 | } |
f6bcfd97 BP |
1453 | else |
1454 | { | |
1455 | tvIns.item.pszText = NULL; | |
1456 | tvIns.item.cchTextMax = 0; | |
1457 | } | |
02ce7b72 | 1458 | |
1b182562 VZ |
1459 | // create the param which will store the other item parameters |
1460 | wxTreeItemParam *param = new wxTreeItemParam; | |
1461 | ||
1462 | // we return the images on demand as they depend on whether the item is | |
1463 | // expanded or collapsed too in our case | |
4523ebb3 VZ |
1464 | mask |= TVIF_IMAGE | TVIF_SELECTEDIMAGE; |
1465 | tvIns.item.iImage = I_IMAGECALLBACK; | |
1466 | tvIns.item.iSelectedImage = I_IMAGECALLBACK; | |
3a5a2f56 | 1467 | |
4523ebb3 | 1468 | param->SetImage(image, wxTreeItemIcon_Normal); |
1b182562 | 1469 | param->SetImage(selectedImage, wxTreeItemIcon_Selected); |
02ce7b72 | 1470 | |
4523ebb3 VZ |
1471 | mask |= TVIF_PARAM; |
1472 | tvIns.item.lParam = (LPARAM)param; | |
08b7c251 | 1473 | tvIns.item.mask = mask; |
02ce7b72 | 1474 | |
4a36036e VZ |
1475 | // don't use the hack below for the children of hidden root: this results |
1476 | // in a crash inside comctl32.dll when we call TreeView_GetItemRect() | |
1477 | const bool firstChild = !IsHiddenRoot(parent) && | |
1478 | !TreeView_GetChild(GetHwnd(), HITEM(parent)); | |
7e45c159 | 1479 | |
1b182562 | 1480 | HTREEITEM id = TreeView_InsertItem(GetHwnd(), &tvIns); |
08b7c251 VZ |
1481 | if ( id == 0 ) |
1482 | { | |
f6bcfd97 | 1483 | wxLogLastError(wxT("TreeView_InsertItem")); |
08b7c251 | 1484 | } |
02ce7b72 | 1485 | |
7e45c159 VZ |
1486 | // apparently some Windows versions (2000 and XP are reported to do this) |
1487 | // sometimes don't refresh the tree after adding the first child and so we | |
1488 | // need this to make the "[+]" appear | |
1489 | if ( firstChild ) | |
1490 | { | |
1491 | RECT rect; | |
1492 | TreeView_GetItemRect(GetHwnd(), HITEM(parent), &rect, FALSE); | |
1493 | ::InvalidateRect(GetHwnd(), &rect, FALSE); | |
1494 | } | |
1495 | ||
4523ebb3 VZ |
1496 | // associate the application tree item with Win32 tree item handle |
1497 | param->SetItem(id); | |
1498 | ||
1499 | // setup wxTreeItemData | |
fd3f686c VZ |
1500 | if ( data != NULL ) |
1501 | { | |
4523ebb3 | 1502 | param->SetData(data); |
ee4b2721 | 1503 | data->SetId(id); |
fd3f686c VZ |
1504 | } |
1505 | ||
ee4b2721 | 1506 | return wxTreeItemId(id); |
2bda0e17 KB |
1507 | } |
1508 | ||
08b7c251 VZ |
1509 | wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, |
1510 | int image, int selectedImage, | |
1511 | wxTreeItemData *data) | |
2bda0e17 | 1512 | { |
0228081f | 1513 | if ( HasFlag(wxTR_HIDE_ROOT) ) |
a9c1265f | 1514 | { |
9a83f860 | 1515 | wxASSERT_MSG( !m_pVirtualRoot, wxT("tree can have only a single root") ); |
2a69b4e8 | 1516 | |
a9c1265f | 1517 | // create a virtual root item, the parent for all the others |
4523ebb3 VZ |
1518 | wxTreeItemParam *param = new wxTreeItemParam; |
1519 | param->SetData(data); | |
1520 | ||
1521 | m_pVirtualRoot = new wxVirtualNode(param); | |
a9c1265f VZ |
1522 | |
1523 | return TVI_ROOT; | |
1524 | } | |
1525 | ||
8cee4a30 VZ |
1526 | return DoInsertAfter(wxTreeItemId(), wxTreeItemId(), |
1527 | text, image, selectedImage, data); | |
2bda0e17 KB |
1528 | } |
1529 | ||
8cee4a30 VZ |
1530 | wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent, |
1531 | size_t index, | |
1532 | const wxString& text, | |
1533 | int image, int selectedImage, | |
1534 | wxTreeItemData *data) | |
2ef31e80 | 1535 | { |
8cee4a30 VZ |
1536 | wxTreeItemId idPrev; |
1537 | if ( index == (size_t)-1 ) | |
2ef31e80 | 1538 | { |
8cee4a30 VZ |
1539 | // special value: append to the end |
1540 | idPrev = TVI_LAST; | |
2ef31e80 | 1541 | } |
8cee4a30 VZ |
1542 | else // find the item from index |
1543 | { | |
1544 | wxTreeItemIdValue cookie; | |
1545 | wxTreeItemId idCur = GetFirstChild(parent, cookie); | |
1546 | while ( index != 0 && idCur.IsOk() ) | |
1547 | { | |
1548 | index--; | |
2ef31e80 | 1549 | |
8cee4a30 VZ |
1550 | idPrev = idCur; |
1551 | idCur = GetNextChild(parent, cookie); | |
1552 | } | |
2ef31e80 | 1553 | |
8cee4a30 VZ |
1554 | // assert, not check: if the index is invalid, we will append the item |
1555 | // to the end | |
9a83f860 | 1556 | wxASSERT_MSG( index == 0, wxT("bad index in wxTreeCtrl::InsertItem") ); |
8cee4a30 | 1557 | } |
2ef31e80 | 1558 | |
8cee4a30 | 1559 | return DoInsertAfter(parent, idPrev, text, image, selectedImage, data); |
2bda0e17 KB |
1560 | } |
1561 | ||
08b7c251 | 1562 | void wxTreeCtrl::Delete(const wxTreeItemId& item) |
2bda0e17 | 1563 | { |
396f85ba BW |
1564 | // unlock tree selections on vista, without this the |
1565 | // tree ctrl will eventually crash after item deletion | |
1566 | TreeItemUnlocker unlock_all; | |
1567 | ||
c7d9c476 VZ |
1568 | if ( HasFlag(wxTR_MULTIPLE) ) |
1569 | { | |
1570 | bool selected = IsSelected(item); | |
1571 | wxTreeItemId next; | |
1572 | ||
1573 | if ( selected ) | |
1574 | { | |
1575 | next = TreeView_GetNextVisible(GetHwnd(), HITEM(item)); | |
1576 | ||
1577 | if ( !next.IsOk() ) | |
1578 | { | |
1579 | next = TreeView_GetPrevVisible(GetHwnd(), HITEM(item)); | |
1580 | } | |
1581 | } | |
1582 | ||
c7d9c476 | 1583 | { |
7dac12ef VZ |
1584 | TempSetter set(m_changingSelection); |
1585 | if ( !TreeView_DeleteItem(GetHwnd(), HITEM(item)) ) | |
1586 | { | |
1587 | wxLogLastError(wxT("TreeView_DeleteItem")); | |
1588 | return; | |
1589 | } | |
c7d9c476 VZ |
1590 | } |
1591 | ||
1592 | if ( !selected ) | |
1593 | { | |
1594 | return; | |
1595 | } | |
1596 | ||
f19259fc VZ |
1597 | if ( item == m_htSelStart ) |
1598 | m_htSelStart.Unset(); | |
1599 | ||
1600 | if ( item == m_htClickedItem ) | |
1601 | m_htClickedItem.Unset(); | |
1602 | ||
c7d9c476 VZ |
1603 | if ( next.IsOk() ) |
1604 | { | |
1605 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, next); | |
1606 | ||
1607 | if ( IsTreeEventAllowed(changingEvent) ) | |
1608 | { | |
1609 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, this, next); | |
1610 | (void)HandleTreeEvent(changedEvent); | |
1611 | } | |
1612 | else | |
1613 | { | |
7dac12ef VZ |
1614 | DoUnselectItem(next); |
1615 | ClearFocusedItem(); | |
c7d9c476 VZ |
1616 | } |
1617 | } | |
1618 | } | |
1619 | else | |
bbcdf8bc | 1620 | { |
c7d9c476 VZ |
1621 | if ( !TreeView_DeleteItem(GetHwnd(), HITEM(item)) ) |
1622 | { | |
1623 | wxLogLastError(wxT("TreeView_DeleteItem")); | |
1624 | } | |
bbcdf8bc | 1625 | } |
bbcdf8bc JS |
1626 | } |
1627 | ||
23fd5130 VZ |
1628 | // delete all children (but don't delete the item itself) |
1629 | void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item) | |
1630 | { | |
396f85ba BW |
1631 | // unlock tree selections on vista for the duration of this call |
1632 | TreeItemUnlocker unlock_all; | |
1633 | ||
ee4b2721 | 1634 | wxTreeItemIdValue cookie; |
23fd5130 | 1635 | |
ee4b2721 | 1636 | wxArrayTreeItemIds children; |
23fd5130 VZ |
1637 | wxTreeItemId child = GetFirstChild(item, cookie); |
1638 | while ( child.IsOk() ) | |
1639 | { | |
ee4b2721 | 1640 | children.Add(child); |
23fd5130 VZ |
1641 | |
1642 | child = GetNextChild(item, cookie); | |
1643 | } | |
1644 | ||
1645 | size_t nCount = children.Count(); | |
1646 | for ( size_t n = 0; n < nCount; n++ ) | |
1647 | { | |
c7d9c476 | 1648 | Delete(children[n]); |
23fd5130 VZ |
1649 | } |
1650 | } | |
1651 | ||
08b7c251 | 1652 | void wxTreeCtrl::DeleteAllItems() |
bbcdf8bc | 1653 | { |
396f85ba BW |
1654 | // unlock tree selections on vista for the duration of this call |
1655 | TreeItemUnlocker unlock_all; | |
1656 | ||
f19259fc VZ |
1657 | // invalidate all the items we store as they're going to become invalid |
1658 | m_htSelStart = | |
1659 | m_htClickedItem = wxTreeItemId(); | |
1660 | ||
bfedf621 VZ |
1661 | // delete the "virtual" root item. |
1662 | if ( GET_VIRTUAL_ROOT() ) | |
1663 | { | |
1664 | delete GET_VIRTUAL_ROOT(); | |
1665 | m_pVirtualRoot = NULL; | |
1666 | } | |
1667 | ||
1668 | // and all the real items | |
a9c1265f | 1669 | |
d220ae32 | 1670 | if ( !TreeView_DeleteAllItems(GetHwnd()) ) |
bbcdf8bc | 1671 | { |
f6bcfd97 | 1672 | wxLogLastError(wxT("TreeView_DeleteAllItems")); |
bbcdf8bc | 1673 | } |
2bda0e17 KB |
1674 | } |
1675 | ||
08b7c251 | 1676 | void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag) |
2bda0e17 | 1677 | { |
dd3646fd VZ |
1678 | wxASSERT_MSG( flag == TVE_COLLAPSE || |
1679 | flag == (TVE_COLLAPSE | TVE_COLLAPSERESET) || | |
1680 | flag == TVE_EXPAND || | |
1681 | flag == TVE_TOGGLE, | |
223d09f6 | 1682 | wxT("Unknown flag in wxTreeCtrl::DoExpand") ); |
08b7c251 | 1683 | |
a9c1265f | 1684 | // A hidden root can be neither expanded nor collapsed. |
0228081f | 1685 | wxCHECK_RET( !IsHiddenRoot(item), |
637b7e4f | 1686 | wxT("Can't expand/collapse hidden root node!") ); |
a9c1265f | 1687 | |
08b7c251 | 1688 | // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must |
d220ae32 VZ |
1689 | // emulate them. This behaviour has changed slightly with comctl32.dll |
1690 | // v 4.70 - now it does send them but only the first time. To maintain | |
1691 | // compatible behaviour and also in order to not have surprises with the | |
1692 | // future versions, don't rely on this and still do everything ourselves. | |
1693 | // To avoid that the messages be sent twice when the item is expanded for | |
1694 | // the first time we must clear TVIS_EXPANDEDONCE style manually. | |
1695 | ||
1696 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDEDONCE); | |
1697 | tvItem.state = 0; | |
1698 | DoSetItem(&tvItem); | |
1699 | ||
c7d9c476 VZ |
1700 | if ( IsExpanded(item) ) |
1701 | { | |
1702 | wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_COLLAPSING, | |
1703 | this, wxTreeItemId(item)); | |
1704 | ||
1705 | if ( !IsTreeEventAllowed(event) ) | |
1706 | return; | |
1707 | } | |
1708 | ||
1709 | if ( TreeView_Expand(GetHwnd(), HITEM(item), flag) ) | |
08b7c251 | 1710 | { |
c7d9c476 VZ |
1711 | if ( IsExpanded(item) ) |
1712 | return; | |
1713 | ||
1714 | wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_COLLAPSED, this, item); | |
1715 | (void)HandleTreeEvent(event); | |
08b7c251 | 1716 | } |
d220ae32 | 1717 | //else: change didn't took place, so do nothing at all |
2bda0e17 KB |
1718 | } |
1719 | ||
08b7c251 | 1720 | void wxTreeCtrl::Expand(const wxTreeItemId& item) |
2bda0e17 | 1721 | { |
08b7c251 | 1722 | DoExpand(item, TVE_EXPAND); |
2bda0e17 | 1723 | } |
2bda0e17 | 1724 | |
08b7c251 | 1725 | void wxTreeCtrl::Collapse(const wxTreeItemId& item) |
2bda0e17 | 1726 | { |
08b7c251 | 1727 | DoExpand(item, TVE_COLLAPSE); |
2bda0e17 KB |
1728 | } |
1729 | ||
08b7c251 | 1730 | void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item) |
2bda0e17 | 1731 | { |
dd3646fd | 1732 | DoExpand(item, TVE_COLLAPSE | TVE_COLLAPSERESET); |
2bda0e17 KB |
1733 | } |
1734 | ||
08b7c251 | 1735 | void wxTreeCtrl::Toggle(const wxTreeItemId& item) |
2bda0e17 | 1736 | { |
08b7c251 | 1737 | DoExpand(item, TVE_TOGGLE); |
2bda0e17 KB |
1738 | } |
1739 | ||
08b7c251 | 1740 | void wxTreeCtrl::Unselect() |
2bda0e17 | 1741 | { |
c7d9c476 | 1742 | wxASSERT_MSG( !HasFlag(wxTR_MULTIPLE), |
3f7bc32b | 1743 | wxT("doesn't make sense, may be you want UnselectAll()?") ); |
9dfbf520 | 1744 | |
c7d9c476 VZ |
1745 | // the current focus |
1746 | HTREEITEM htFocus = (HTREEITEM)TreeView_GetSelection(GetHwnd()); | |
1747 | ||
1748 | if ( !htFocus ) | |
1749 | { | |
1750 | return; | |
1751 | } | |
1752 | ||
1753 | if ( HasFlag(wxTR_MULTIPLE) ) | |
1754 | { | |
1755 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
1756 | this, wxTreeItemId()); | |
1757 | changingEvent.m_itemOld = htFocus; | |
1758 | ||
1759 | if ( IsTreeEventAllowed(changingEvent) ) | |
1760 | { | |
7dac12ef | 1761 | ClearFocusedItem(); |
c7d9c476 VZ |
1762 | |
1763 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
1764 | this, wxTreeItemId()); | |
1765 | changedEvent.m_itemOld = htFocus; | |
1766 | (void)HandleTreeEvent(changedEvent); | |
1767 | } | |
1768 | } | |
1769 | else | |
1770 | { | |
7dac12ef | 1771 | ClearFocusedItem(); |
c7d9c476 VZ |
1772 | } |
1773 | } | |
1774 | ||
1775 | void wxTreeCtrl::DoUnselectAll() | |
1776 | { | |
1777 | wxArrayTreeItemIds selections; | |
1778 | size_t count = GetSelections(selections); | |
1779 | ||
1780 | for ( size_t n = 0; n < count; n++ ) | |
1781 | { | |
7dac12ef | 1782 | DoUnselectItem(selections[n]); |
c7d9c476 VZ |
1783 | } |
1784 | ||
1785 | m_htSelStart.Unset(); | |
08b7c251 | 1786 | } |
02ce7b72 | 1787 | |
9dfbf520 | 1788 | void wxTreeCtrl::UnselectAll() |
08b7c251 | 1789 | { |
c7d9c476 | 1790 | if ( HasFlag(wxTR_MULTIPLE) ) |
2bda0e17 | 1791 | { |
c7d9c476 VZ |
1792 | HTREEITEM htFocus = (HTREEITEM)TreeView_GetSelection(GetHwnd()); |
1793 | if ( !htFocus ) return; | |
1794 | ||
1795 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this); | |
1796 | changingEvent.m_itemOld = htFocus; | |
1797 | ||
1798 | if ( IsTreeEventAllowed(changingEvent) ) | |
d220ae32 | 1799 | { |
c7d9c476 | 1800 | DoUnselectAll(); |
ba8a1961 | 1801 | |
c7d9c476 VZ |
1802 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, this); |
1803 | changedEvent.m_itemOld = htFocus; | |
1804 | (void)HandleTreeEvent(changedEvent); | |
1805 | } | |
9dfbf520 | 1806 | } |
75afdc2d | 1807 | else |
9dfbf520 | 1808 | { |
9dfbf520 VZ |
1809 | Unselect(); |
1810 | } | |
1811 | } | |
1812 | ||
5cb3a695 VZ |
1813 | void wxTreeCtrl::DoSelectChildren(const wxTreeItemId& parent) |
1814 | { | |
1815 | DoUnselectAll(); | |
1816 | ||
1817 | wxTreeItemIdValue cookie; | |
1818 | wxTreeItemId child = GetFirstChild(parent, cookie); | |
1819 | while ( child.IsOk() ) | |
1820 | { | |
1821 | DoSelectItem(child, true); | |
1822 | child = GetNextChild(child, cookie); | |
1823 | } | |
1824 | } | |
1825 | ||
1826 | void wxTreeCtrl::SelectChildren(const wxTreeItemId& parent) | |
1827 | { | |
1828 | wxCHECK_RET( HasFlag(wxTR_MULTIPLE), | |
1829 | "this only works with multiple selection controls" ); | |
1830 | ||
1831 | HTREEITEM htFocus = (HTREEITEM)TreeView_GetSelection(GetHwnd()); | |
1832 | ||
1833 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this); | |
1834 | changingEvent.m_itemOld = htFocus; | |
1835 | ||
1836 | if ( IsTreeEventAllowed(changingEvent) ) | |
1837 | { | |
1838 | DoSelectChildren(parent); | |
1839 | ||
1840 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, this); | |
1841 | changedEvent.m_itemOld = htFocus; | |
1842 | (void)HandleTreeEvent(changedEvent); | |
1843 | } | |
1844 | } | |
1845 | ||
7dac12ef VZ |
1846 | void wxTreeCtrl::DoSelectItem(const wxTreeItemId& item, bool select) |
1847 | { | |
1848 | TempSetter set(m_changingSelection); | |
1849 | ||
1850 | ::SelectItem(GetHwnd(), HITEM(item), select); | |
1851 | } | |
1852 | ||
3e9af289 | 1853 | void wxTreeCtrl::SelectItem(const wxTreeItemId& item, bool select) |
9dfbf520 | 1854 | { |
9a83f860 | 1855 | wxCHECK_RET( !IsHiddenRoot(item), wxT("can't select hidden root item") ); |
8a536fa3 | 1856 | |
86646693 | 1857 | if ( select == IsSelected(item) ) |
c7d9c476 | 1858 | { |
86646693 | 1859 | // nothing to do, the item is already in the requested state |
c7d9c476 VZ |
1860 | return; |
1861 | } | |
9dfbf520 | 1862 | |
c7d9c476 | 1863 | if ( HasFlag(wxTR_MULTIPLE) ) |
cc87a04c | 1864 | { |
c7d9c476 VZ |
1865 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, item); |
1866 | ||
1867 | if ( IsTreeEventAllowed(changingEvent) ) | |
d220ae32 | 1868 | { |
c7d9c476 | 1869 | HTREEITEM htFocus = (HTREEITEM)TreeView_GetSelection(GetHwnd()); |
7dac12ef | 1870 | DoSelectItem(item, select); |
c7d9c476 VZ |
1871 | |
1872 | if ( !htFocus ) | |
7549148b | 1873 | { |
7dac12ef | 1874 | SetFocusedItem(item); |
7549148b | 1875 | } |
c7d9c476 VZ |
1876 | |
1877 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
1878 | this, item); | |
1879 | (void)HandleTreeEvent(changedEvent); | |
cc87a04c | 1880 | } |
c7d9c476 | 1881 | } |
86646693 | 1882 | else // single selection |
c7d9c476 | 1883 | { |
86646693 VZ |
1884 | wxTreeItemId itemOld, itemNew; |
1885 | if ( select ) | |
1886 | { | |
1887 | itemOld = GetSelection(); | |
1888 | itemNew = item; | |
1889 | } | |
1890 | else // deselecting the currently selected item | |
1891 | { | |
1892 | itemOld = item; | |
1893 | // leave itemNew invalid | |
1894 | } | |
c7d9c476 | 1895 | |
942f40ca VZ |
1896 | // Recent versions of comctl32.dll send TVN_SELCHANG{ED,ING} events |
1897 | // when we call TreeView_SelectItem() but apparently some old ones did | |
1898 | // not so send the events ourselves and ignore those generated by | |
1899 | // TreeView_SelectItem() if m_changingSelection is set. | |
86646693 VZ |
1900 | wxTreeEvent |
1901 | changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, itemNew); | |
1902 | changingEvent.SetOldItem(itemOld); | |
c7d9c476 VZ |
1903 | |
1904 | if ( IsTreeEventAllowed(changingEvent) ) | |
cc87a04c | 1905 | { |
1da2783c VZ |
1906 | TempSetter set(m_changingSelection); |
1907 | ||
86646693 | 1908 | if ( !TreeView_SelectItem(GetHwnd(), HITEM(itemNew)) ) |
7549148b VZ |
1909 | { |
1910 | wxLogLastError(wxT("TreeView_SelectItem")); | |
7549148b | 1911 | } |
c7d9c476 VZ |
1912 | else // ok |
1913 | { | |
1da2783c | 1914 | ::SetFocus(GetHwnd(), HITEM(item)); |
7549148b | 1915 | |
c7d9c476 | 1916 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, |
86646693 VZ |
1917 | this, itemNew); |
1918 | changedEvent.SetOldItem(itemOld); | |
c7d9c476 VZ |
1919 | (void)HandleTreeEvent(changedEvent); |
1920 | } | |
1921 | } | |
1922 | //else: program vetoed the change | |
2bda0e17 | 1923 | } |
08b7c251 | 1924 | } |
2bda0e17 | 1925 | |
08b7c251 VZ |
1926 | void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item) |
1927 | { | |
9a83f860 | 1928 | wxCHECK_RET( !IsHiddenRoot(item), wxT("can't show hidden root item") ); |
0228081f | 1929 | |
08b7c251 | 1930 | // no error return |
3f7bc32b | 1931 | TreeView_EnsureVisible(GetHwnd(), HITEM(item)); |
08b7c251 VZ |
1932 | } |
1933 | ||
1934 | void wxTreeCtrl::ScrollTo(const wxTreeItemId& item) | |
1935 | { | |
3f7bc32b | 1936 | if ( !TreeView_SelectSetFirstVisible(GetHwnd(), HITEM(item)) ) |
2bda0e17 | 1937 | { |
f6bcfd97 | 1938 | wxLogLastError(wxT("TreeView_SelectSetFirstVisible")); |
2bda0e17 | 1939 | } |
08b7c251 VZ |
1940 | } |
1941 | ||
44fbc477 | 1942 | wxTextCtrl *wxTreeCtrl::GetEditControl() const |
08b7c251 VZ |
1943 | { |
1944 | return m_textCtrl; | |
1945 | } | |
1946 | ||
1947 | void wxTreeCtrl::DeleteTextCtrl() | |
1948 | { | |
1949 | if ( m_textCtrl ) | |
2bda0e17 | 1950 | { |
b6a3d6ad VZ |
1951 | // the HWND corresponding to this control is deleted by the tree |
1952 | // control itself and we don't know when exactly this happens, so check | |
1953 | // if the window still exists before calling UnsubclassWin() | |
1954 | if ( !::IsWindow(GetHwndOf(m_textCtrl)) ) | |
1955 | { | |
1956 | m_textCtrl->SetHWND(0); | |
1957 | } | |
1958 | ||
08b7c251 VZ |
1959 | m_textCtrl->UnsubclassWin(); |
1960 | m_textCtrl->SetHWND(0); | |
5276b0a5 | 1961 | wxDELETE(m_textCtrl); |
1a4088e1 VZ |
1962 | |
1963 | m_idEdited.Unset(); | |
2bda0e17 | 1964 | } |
08b7c251 | 1965 | } |
2bda0e17 | 1966 | |
4523ebb3 VZ |
1967 | wxTextCtrl *wxTreeCtrl::EditLabel(const wxTreeItemId& item, |
1968 | wxClassInfo *textControlClass) | |
08b7c251 VZ |
1969 | { |
1970 | wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) ); | |
1971 | ||
b94ae1ea VZ |
1972 | DeleteTextCtrl(); |
1973 | ||
1a4088e1 | 1974 | m_idEdited = item; |
cd6bd270 | 1975 | m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject(); |
3f7bc32b | 1976 | HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), HITEM(item)); |
2bda0e17 | 1977 | |
5ea47806 | 1978 | // this is not an error - the TVN_BEGINLABELEDIT handler might have |
04cd30de | 1979 | // returned false |
5ea47806 VZ |
1980 | if ( !hWnd ) |
1981 | { | |
5276b0a5 | 1982 | wxDELETE(m_textCtrl); |
5ea47806 VZ |
1983 | return NULL; |
1984 | } | |
2bda0e17 | 1985 | |
cd6bd270 | 1986 | // textctrl is subclassed in MSWOnNotify |
08b7c251 | 1987 | return m_textCtrl; |
2bda0e17 KB |
1988 | } |
1989 | ||
08b7c251 | 1990 | // End label editing, optionally cancelling the edit |
d35dce3a | 1991 | void wxTreeCtrl::DoEndEditLabel(bool discardChanges) |
2bda0e17 | 1992 | { |
d220ae32 | 1993 | TreeView_EndEditLabelNow(GetHwnd(), discardChanges); |
08b7c251 VZ |
1994 | |
1995 | DeleteTextCtrl(); | |
2bda0e17 KB |
1996 | } |
1997 | ||
be0e5d69 | 1998 | wxTreeItemId wxTreeCtrl::DoTreeHitTest(const wxPoint& point, int& flags) const |
2bda0e17 | 1999 | { |
08b7c251 VZ |
2000 | TV_HITTESTINFO hitTestInfo; |
2001 | hitTestInfo.pt.x = (int)point.x; | |
2002 | hitTestInfo.pt.y = (int)point.y; | |
2bda0e17 | 2003 | |
8ecd5de2 | 2004 | (void) TreeView_HitTest(GetHwnd(), &hitTestInfo); |
2bda0e17 | 2005 | |
08b7c251 VZ |
2006 | flags = 0; |
2007 | ||
2008 | // avoid repetition | |
2009 | #define TRANSLATE_FLAG(flag) if ( hitTestInfo.flags & TVHT_##flag ) \ | |
2010 | flags |= wxTREE_HITTEST_##flag | |
2011 | ||
2012 | TRANSLATE_FLAG(ABOVE); | |
2013 | TRANSLATE_FLAG(BELOW); | |
2014 | TRANSLATE_FLAG(NOWHERE); | |
2015 | TRANSLATE_FLAG(ONITEMBUTTON); | |
2016 | TRANSLATE_FLAG(ONITEMICON); | |
2017 | TRANSLATE_FLAG(ONITEMINDENT); | |
2018 | TRANSLATE_FLAG(ONITEMLABEL); | |
2019 | TRANSLATE_FLAG(ONITEMRIGHT); | |
2020 | TRANSLATE_FLAG(ONITEMSTATEICON); | |
2021 | TRANSLATE_FLAG(TOLEFT); | |
2022 | TRANSLATE_FLAG(TORIGHT); | |
2bda0e17 | 2023 | |
08b7c251 VZ |
2024 | #undef TRANSLATE_FLAG |
2025 | ||
ee4b2721 | 2026 | return wxTreeItemId(hitTestInfo.hItem); |
08b7c251 VZ |
2027 | } |
2028 | ||
f7c832a7 VZ |
2029 | bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item, |
2030 | wxRect& rect, | |
2031 | bool textOnly) const | |
2032 | { | |
2033 | RECT rc; | |
f2c3db9d RD |
2034 | |
2035 | // Virtual root items have no bounding rectangle | |
2036 | if ( IS_VIRTUAL_ROOT(item) ) | |
2037 | { | |
2038 | return false; | |
2039 | } | |
2040 | ||
3f7bc32b | 2041 | if ( TreeView_GetItemRect(GetHwnd(), HITEM(item), |
f7c832a7 VZ |
2042 | &rc, textOnly) ) |
2043 | { | |
2044 | rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom)); | |
2045 | ||
04cd30de | 2046 | return true; |
f7c832a7 VZ |
2047 | } |
2048 | else | |
2049 | { | |
2050 | // couldn't retrieve rect: for example, item isn't visible | |
04cd30de | 2051 | return false; |
f7c832a7 VZ |
2052 | } |
2053 | } | |
2054 | ||
7dac12ef VZ |
2055 | void wxTreeCtrl::ClearFocusedItem() |
2056 | { | |
2057 | TempSetter set(m_changingSelection); | |
2058 | ||
2059 | if ( !TreeView_SelectItem(GetHwnd(), 0) ) | |
2060 | { | |
2061 | wxLogLastError(wxT("TreeView_SelectItem")); | |
2062 | } | |
2063 | } | |
2064 | ||
2065 | void wxTreeCtrl::SetFocusedItem(const wxTreeItemId& item) | |
2066 | { | |
5708ae18 VZ |
2067 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
2068 | ||
7dac12ef VZ |
2069 | TempSetter set(m_changingSelection); |
2070 | ||
2071 | ::SetFocus(GetHwnd(), HITEM(item)); | |
2072 | } | |
2073 | ||
2074 | void wxTreeCtrl::DoUnselectItem(const wxTreeItemId& item) | |
2075 | { | |
2076 | TempSetter set(m_changingSelection); | |
2077 | ||
2078 | ::UnselectItem(GetHwnd(), HITEM(item)); | |
2079 | } | |
2080 | ||
2081 | void wxTreeCtrl::DoToggleItemSelection(const wxTreeItemId& item) | |
2082 | { | |
2083 | TempSetter set(m_changingSelection); | |
2084 | ||
2085 | ::ToggleItemSelection(GetHwnd(), HITEM(item)); | |
2086 | } | |
2087 | ||
23fd5130 VZ |
2088 | // ---------------------------------------------------------------------------- |
2089 | // sorting stuff | |
2090 | // ---------------------------------------------------------------------------- | |
f7c832a7 | 2091 | |
502a2b18 VZ |
2092 | // this is just a tiny namespace which is friend to wxTreeCtrl and so can use |
2093 | // functions such as IsDataIndirect() | |
2094 | class wxTreeSortHelper | |
2095 | { | |
2096 | public: | |
2097 | static int CALLBACK Compare(LPARAM data1, LPARAM data2, LPARAM tree); | |
2098 | ||
2099 | private: | |
4523ebb3 | 2100 | static wxTreeItemId GetIdFromData(LPARAM lParam) |
502a2b18 | 2101 | { |
4523ebb3 | 2102 | return ((wxTreeItemParam*)lParam)->GetItem(); |
502a2b18 | 2103 | } |
502a2b18 VZ |
2104 | }; |
2105 | ||
2106 | int CALLBACK wxTreeSortHelper::Compare(LPARAM pItem1, | |
2107 | LPARAM pItem2, | |
2108 | LPARAM htree) | |
23fd5130 | 2109 | { |
096c9f9b | 2110 | wxCHECK_MSG( pItem1 && pItem2, 0, |
223d09f6 | 2111 | wxT("sorting tree without data doesn't make sense") ); |
096c9f9b | 2112 | |
502a2b18 VZ |
2113 | wxTreeCtrl *tree = (wxTreeCtrl *)htree; |
2114 | ||
4523ebb3 VZ |
2115 | return tree->OnCompareItems(GetIdFromData(pItem1), |
2116 | GetIdFromData(pItem2)); | |
23fd5130 VZ |
2117 | } |
2118 | ||
95aabccc VZ |
2119 | void wxTreeCtrl::SortChildren(const wxTreeItemId& item) |
2120 | { | |
05b2a432 RD |
2121 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
2122 | ||
95aabccc | 2123 | // rely on the fact that TreeView_SortChildren does the same thing as our |
23fd5130 VZ |
2124 | // default behaviour, i.e. sorts items alphabetically and so call it |
2125 | // directly if we're not in derived class (much more efficient!) | |
4523ebb3 VZ |
2126 | // RN: Note that if you find you're code doesn't sort as expected this |
2127 | // may be why as if you don't use the DECLARE_CLASS/IMPLEMENT_CLASS | |
2128 | // combo for your derived wxTreeCtrl if will sort without | |
2129 | // OnCompareItems | |
23fd5130 | 2130 | if ( GetClassInfo() == CLASSINFO(wxTreeCtrl) ) |
2bda0e17 | 2131 | { |
3f7bc32b | 2132 | TreeView_SortChildren(GetHwnd(), HITEM(item), 0); |
2bda0e17 | 2133 | } |
08b7c251 | 2134 | else |
2bda0e17 | 2135 | { |
62448488 | 2136 | TV_SORTCB tvSort; |
3f7bc32b | 2137 | tvSort.hParent = HITEM(item); |
502a2b18 | 2138 | tvSort.lpfnCompare = wxTreeSortHelper::Compare; |
23fd5130 | 2139 | tvSort.lParam = (LPARAM)this; |
d220ae32 | 2140 | TreeView_SortChildrenCB(GetHwnd(), &tvSort, 0 /* reserved */); |
2bda0e17 | 2141 | } |
08b7c251 | 2142 | } |
2bda0e17 | 2143 | |
08b7c251 VZ |
2144 | // ---------------------------------------------------------------------------- |
2145 | // implementation | |
2146 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 2147 | |
90c6edd7 VZ |
2148 | bool wxTreeCtrl::MSWShouldPreProcessMessage(WXMSG* msg) |
2149 | { | |
2150 | if ( msg->message == WM_KEYDOWN ) | |
2151 | { | |
6719c06a VZ |
2152 | // Only eat VK_RETURN if not being used by the application in |
2153 | // conjunction with modifiers | |
2154 | if ( (msg->wParam == VK_RETURN) && !wxIsAnyModifierDown() ) | |
90c6edd7 VZ |
2155 | { |
2156 | // we need VK_RETURN to generate wxEVT_COMMAND_TREE_ITEM_ACTIVATED | |
2157 | return false; | |
2158 | } | |
2159 | } | |
2160 | ||
2161 | return wxTreeCtrlBase::MSWShouldPreProcessMessage(msg); | |
2162 | } | |
2163 | ||
0edeeb6d | 2164 | bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id_) |
08b7c251 | 2165 | { |
0edeeb6d VZ |
2166 | const int id = (signed short)id_; |
2167 | ||
08b7c251 | 2168 | if ( cmd == EN_UPDATE ) |
2bda0e17 | 2169 | { |
08b7c251 VZ |
2170 | wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id); |
2171 | event.SetEventObject( this ); | |
2172 | ProcessCommand(event); | |
2bda0e17 | 2173 | } |
08b7c251 | 2174 | else if ( cmd == EN_KILLFOCUS ) |
2bda0e17 | 2175 | { |
08b7c251 VZ |
2176 | wxCommandEvent event(wxEVT_KILL_FOCUS, id); |
2177 | event.SetEventObject( this ); | |
2178 | ProcessCommand(event); | |
2bda0e17 | 2179 | } |
08b7c251 | 2180 | else |
2bda0e17 | 2181 | { |
08b7c251 | 2182 | // nothing done |
04cd30de | 2183 | return false; |
2bda0e17 | 2184 | } |
08b7c251 VZ |
2185 | |
2186 | // command processed | |
04cd30de | 2187 | return true; |
08b7c251 VZ |
2188 | } |
2189 | ||
3c8cbc12 VZ |
2190 | bool wxTreeCtrl::MSWIsOnItem(unsigned flags) const |
2191 | { | |
2192 | unsigned mask = TVHT_ONITEM; | |
2193 | if ( HasFlag(wxTR_FULL_ROW_HIGHLIGHT) ) | |
2194 | mask |= TVHT_ONITEMINDENT | TVHT_ONITEMRIGHT; | |
2195 | ||
2196 | return (flags & mask) != 0; | |
2197 | } | |
2198 | ||
25f701e6 | 2199 | bool wxTreeCtrl::MSWHandleSelectionKey(unsigned vkey) |
c7d9c476 VZ |
2200 | { |
2201 | const bool bCtrl = wxIsCtrlDown(); | |
2202 | const bool bShift = wxIsShiftDown(); | |
2203 | const HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd()); | |
2204 | ||
2205 | switch ( vkey ) | |
2206 | { | |
2207 | case VK_RETURN: | |
2208 | case VK_SPACE: | |
2209 | if ( !htSel ) | |
2210 | break; | |
2211 | ||
2212 | if ( vkey != VK_RETURN && bCtrl ) | |
2213 | { | |
2214 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2215 | this, htSel); | |
2216 | changingEvent.m_itemOld = htSel; | |
2217 | ||
2218 | if ( IsTreeEventAllowed(changingEvent) ) | |
2219 | { | |
7dac12ef | 2220 | DoToggleItemSelection(wxTreeItemId(htSel)); |
c7d9c476 VZ |
2221 | |
2222 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2223 | this, htSel); | |
2224 | changedEvent.m_itemOld = htSel; | |
2225 | (void)HandleTreeEvent(changedEvent); | |
2226 | } | |
2227 | } | |
2228 | else | |
2229 | { | |
2230 | wxArrayTreeItemIds selections; | |
2231 | size_t count = GetSelections(selections); | |
2232 | ||
2233 | if ( count != 1 || HITEM(selections[0]) != htSel ) | |
2234 | { | |
2235 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2236 | this, htSel); | |
2237 | changingEvent.m_itemOld = htSel; | |
2238 | ||
2239 | if ( IsTreeEventAllowed(changingEvent) ) | |
2240 | { | |
2241 | DoUnselectAll(); | |
7dac12ef | 2242 | DoSelectItem(wxTreeItemId(htSel)); |
c7d9c476 VZ |
2243 | |
2244 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2245 | this, htSel); | |
2246 | changedEvent.m_itemOld = htSel; | |
2247 | (void)HandleTreeEvent(changedEvent); | |
2248 | } | |
2249 | } | |
2250 | } | |
2251 | break; | |
2252 | ||
2253 | case VK_UP: | |
2254 | case VK_DOWN: | |
2255 | if ( !bCtrl && !bShift ) | |
2256 | { | |
2257 | wxArrayTreeItemIds selections; | |
c7d9c476 VZ |
2258 | wxTreeItemId next; |
2259 | ||
7dac12ef | 2260 | if ( htSel ) |
c7d9c476 VZ |
2261 | { |
2262 | next = vkey == VK_UP | |
2263 | ? TreeView_GetPrevVisible(GetHwnd(), htSel) | |
2264 | : TreeView_GetNextVisible(GetHwnd(), htSel); | |
2265 | } | |
2266 | else | |
2267 | { | |
2268 | next = GetRootItem(); | |
2269 | ||
2270 | if ( IsHiddenRoot(next) ) | |
2271 | next = TreeView_GetChild(GetHwnd(), HITEM(next)); | |
c7d9c476 VZ |
2272 | } |
2273 | ||
2274 | if ( !next.IsOk() ) | |
2275 | { | |
2276 | break; | |
2277 | } | |
2278 | ||
2279 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2280 | this, next); | |
2281 | changingEvent.m_itemOld = htSel; | |
2282 | ||
2283 | if ( IsTreeEventAllowed(changingEvent) ) | |
2284 | { | |
2285 | DoUnselectAll(); | |
7dac12ef VZ |
2286 | DoSelectItem(next); |
2287 | SetFocusedItem(next); | |
c7d9c476 VZ |
2288 | |
2289 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2290 | this, next); | |
2291 | changedEvent.m_itemOld = htSel; | |
2292 | (void)HandleTreeEvent(changedEvent); | |
2293 | } | |
2294 | } | |
2295 | else if ( htSel ) | |
2296 | { | |
2297 | wxTreeItemId next = vkey == VK_UP | |
2298 | ? TreeView_GetPrevVisible(GetHwnd(), htSel) | |
2299 | : TreeView_GetNextVisible(GetHwnd(), htSel); | |
2300 | ||
2301 | if ( !next.IsOk() ) | |
2302 | { | |
2303 | break; | |
2304 | } | |
2305 | ||
2306 | if ( !m_htSelStart ) | |
2307 | { | |
2308 | m_htSelStart = htSel; | |
2309 | } | |
2310 | ||
2311 | if ( bShift && SelectRange(GetHwnd(), HITEM(m_htSelStart), HITEM(next), | |
2312 | SR_UNSELECT_OTHERS | SR_SIMULATE) ) | |
2313 | { | |
2314 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, next); | |
2315 | changingEvent.m_itemOld = htSel; | |
2316 | ||
2317 | if ( IsTreeEventAllowed(changingEvent) ) | |
2318 | { | |
2319 | SelectRange(GetHwnd(), HITEM(m_htSelStart), HITEM(next), | |
2320 | SR_UNSELECT_OTHERS); | |
2321 | ||
2322 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, this, next); | |
2323 | changedEvent.m_itemOld = htSel; | |
2324 | (void)HandleTreeEvent(changedEvent); | |
2325 | } | |
2326 | } | |
2327 | ||
7dac12ef | 2328 | SetFocusedItem(next); |
c7d9c476 VZ |
2329 | } |
2330 | break; | |
2331 | ||
2332 | case VK_LEFT: | |
2333 | if ( HasChildren(htSel) && IsExpanded(htSel) ) | |
2334 | { | |
2335 | Collapse(htSel); | |
2336 | } | |
2337 | else | |
2338 | { | |
2339 | wxTreeItemId next = GetItemParent(htSel); | |
2340 | ||
2341 | if ( next.IsOk() && !IsHiddenRoot(next) ) | |
2342 | { | |
2343 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2344 | this, next); | |
2345 | changingEvent.m_itemOld = htSel; | |
2346 | ||
2347 | if ( IsTreeEventAllowed(changingEvent) ) | |
2348 | { | |
2349 | DoUnselectAll(); | |
7dac12ef VZ |
2350 | DoSelectItem(next); |
2351 | SetFocusedItem(next); | |
c7d9c476 VZ |
2352 | |
2353 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2354 | this, next); | |
2355 | changedEvent.m_itemOld = htSel; | |
2356 | (void)HandleTreeEvent(changedEvent); | |
2357 | } | |
2358 | } | |
2359 | } | |
2360 | break; | |
2361 | ||
2362 | case VK_RIGHT: | |
2363 | if ( !IsVisible(htSel) ) | |
2364 | { | |
2365 | EnsureVisible(htSel); | |
2366 | } | |
2367 | ||
2368 | if ( !HasChildren(htSel) ) | |
2369 | break; | |
2370 | ||
2371 | if ( !IsExpanded(htSel) ) | |
2372 | { | |
2373 | Expand(htSel); | |
2374 | } | |
2375 | else | |
2376 | { | |
2377 | wxTreeItemId next = TreeView_GetChild(GetHwnd(), htSel); | |
2378 | ||
2379 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, next); | |
2380 | changingEvent.m_itemOld = htSel; | |
2381 | ||
2382 | if ( IsTreeEventAllowed(changingEvent) ) | |
2383 | { | |
2384 | DoUnselectAll(); | |
7dac12ef VZ |
2385 | DoSelectItem(next); |
2386 | SetFocusedItem(next); | |
c7d9c476 VZ |
2387 | |
2388 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, this, next); | |
2389 | changedEvent.m_itemOld = htSel; | |
2390 | (void)HandleTreeEvent(changedEvent); | |
2391 | } | |
2392 | } | |
2393 | break; | |
2394 | ||
2395 | case VK_HOME: | |
2396 | case VK_END: | |
2397 | { | |
2398 | wxTreeItemId next = GetRootItem(); | |
2399 | ||
2400 | if ( IsHiddenRoot(next) ) | |
2401 | { | |
2402 | next = TreeView_GetChild(GetHwnd(), HITEM(next)); | |
2403 | } | |
2404 | ||
2405 | if ( !next.IsOk() ) | |
2406 | break; | |
2407 | ||
2408 | if ( vkey == VK_END ) | |
2409 | { | |
2410 | for ( ;; ) | |
2411 | { | |
2412 | wxTreeItemId nextTemp = TreeView_GetNextVisible( | |
2413 | GetHwnd(), HITEM(next)); | |
2414 | ||
2415 | if ( !nextTemp.IsOk() ) | |
2416 | break; | |
2417 | ||
2418 | next = nextTemp; | |
2419 | } | |
2420 | } | |
2421 | ||
2422 | if ( htSel == HITEM(next) ) | |
2423 | break; | |
2424 | ||
2425 | if ( bShift ) | |
2426 | { | |
2427 | if ( !m_htSelStart ) | |
2428 | { | |
2429 | m_htSelStart = htSel; | |
2430 | } | |
2431 | ||
2432 | if ( SelectRange(GetHwnd(), | |
2433 | HITEM(m_htSelStart), HITEM(next), | |
2434 | SR_UNSELECT_OTHERS | SR_SIMULATE) ) | |
2435 | { | |
2436 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2437 | this, next); | |
2438 | changingEvent.m_itemOld = htSel; | |
2439 | ||
2440 | if ( IsTreeEventAllowed(changingEvent) ) | |
2441 | { | |
2442 | SelectRange(GetHwnd(), | |
2443 | HITEM(m_htSelStart), HITEM(next), | |
2444 | SR_UNSELECT_OTHERS); | |
7dac12ef | 2445 | SetFocusedItem(next); |
c7d9c476 VZ |
2446 | |
2447 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2448 | this, next); | |
2449 | changedEvent.m_itemOld = htSel; | |
2450 | (void)HandleTreeEvent(changedEvent); | |
2451 | } | |
2452 | } | |
2453 | } | |
2454 | else // no Shift | |
2455 | { | |
2456 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2457 | this, next); | |
2458 | changingEvent.m_itemOld = htSel; | |
2459 | ||
2460 | if ( IsTreeEventAllowed(changingEvent) ) | |
2461 | { | |
2462 | DoUnselectAll(); | |
7dac12ef VZ |
2463 | DoSelectItem(next); |
2464 | SetFocusedItem(next); | |
c7d9c476 VZ |
2465 | |
2466 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2467 | this, next); | |
2468 | changedEvent.m_itemOld = htSel; | |
2469 | (void)HandleTreeEvent(changedEvent); | |
2470 | } | |
2471 | } | |
2472 | } | |
2473 | break; | |
2474 | ||
2475 | case VK_PRIOR: | |
2476 | case VK_NEXT: | |
2477 | if ( bCtrl ) | |
2478 | { | |
2479 | wxTreeItemId firstVisible = GetFirstVisibleItem(); | |
2480 | size_t visibleCount = TreeView_GetVisibleCount(GetHwnd()); | |
2481 | wxTreeItemId nextAdjacent = (vkey == VK_PRIOR) ? | |
2482 | TreeView_GetPrevVisible(GetHwnd(), HITEM(firstVisible)) : | |
2483 | TreeView_GetNextVisible(GetHwnd(), HITEM(firstVisible)); | |
2484 | ||
2485 | if ( !nextAdjacent ) | |
2486 | { | |
2487 | break; | |
2488 | } | |
2489 | ||
2490 | wxTreeItemId nextStart = firstVisible; | |
2491 | ||
2492 | for ( size_t n = 1; n < visibleCount; n++ ) | |
2493 | { | |
2494 | wxTreeItemId nextTemp = (vkey == VK_PRIOR) ? | |
2495 | TreeView_GetPrevVisible(GetHwnd(), HITEM(nextStart)) : | |
2496 | TreeView_GetNextVisible(GetHwnd(), HITEM(nextStart)); | |
2497 | ||
2498 | if ( nextTemp.IsOk() ) | |
2499 | { | |
2500 | nextStart = nextTemp; | |
2501 | } | |
2502 | else | |
2503 | { | |
2504 | break; | |
2505 | } | |
2506 | } | |
2507 | ||
2508 | EnsureVisible(nextStart); | |
2509 | ||
2510 | if ( vkey == VK_NEXT ) | |
2511 | { | |
2512 | wxTreeItemId nextEnd = nextStart; | |
2513 | ||
2514 | for ( size_t n = 1; n < visibleCount; n++ ) | |
2515 | { | |
2516 | wxTreeItemId nextTemp = | |
2517 | TreeView_GetNextVisible(GetHwnd(), HITEM(nextEnd)); | |
2518 | ||
2519 | if ( nextTemp.IsOk() ) | |
2520 | { | |
2521 | nextEnd = nextTemp; | |
2522 | } | |
2523 | else | |
2524 | { | |
2525 | break; | |
2526 | } | |
2527 | } | |
2528 | ||
2529 | EnsureVisible(nextEnd); | |
2530 | } | |
2531 | } | |
2532 | else // no Ctrl | |
2533 | { | |
2534 | size_t visibleCount = TreeView_GetVisibleCount(GetHwnd()); | |
2535 | wxTreeItemId nextAdjacent = (vkey == VK_PRIOR) ? | |
2536 | TreeView_GetPrevVisible(GetHwnd(), htSel) : | |
2537 | TreeView_GetNextVisible(GetHwnd(), htSel); | |
2538 | ||
2539 | if ( !nextAdjacent ) | |
2540 | { | |
2541 | break; | |
2542 | } | |
2543 | ||
2544 | wxTreeItemId next(htSel); | |
2545 | ||
2546 | for ( size_t n = 1; n < visibleCount; n++ ) | |
2547 | { | |
2548 | wxTreeItemId nextTemp = vkey == VK_PRIOR ? | |
2549 | TreeView_GetPrevVisible(GetHwnd(), HITEM(next)) : | |
2550 | TreeView_GetNextVisible(GetHwnd(), HITEM(next)); | |
2551 | ||
2552 | if ( !nextTemp.IsOk() ) | |
2553 | break; | |
2554 | ||
2555 | next = nextTemp; | |
2556 | } | |
2557 | ||
2558 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2559 | this, next); | |
2560 | changingEvent.m_itemOld = htSel; | |
2561 | ||
2562 | if ( IsTreeEventAllowed(changingEvent) ) | |
2563 | { | |
2564 | DoUnselectAll(); | |
2565 | m_htSelStart.Unset(); | |
7dac12ef VZ |
2566 | DoSelectItem(next); |
2567 | SetFocusedItem(next); | |
c7d9c476 VZ |
2568 | |
2569 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2570 | this, next); | |
2571 | changedEvent.m_itemOld = htSel; | |
2572 | (void)HandleTreeEvent(changedEvent); | |
2573 | } | |
2574 | } | |
2575 | break; | |
2576 | ||
2577 | default: | |
2578 | return false; | |
2579 | } | |
2580 | ||
2581 | return true; | |
2582 | } | |
2583 | ||
aa8166dd VZ |
2584 | bool wxTreeCtrl::MSWHandleTreeKeyDownEvent(WXWPARAM wParam, WXLPARAM lParam) |
2585 | { | |
2586 | wxTreeEvent keyEvent(wxEVT_COMMAND_TREE_KEY_DOWN, this); | |
b6885972 | 2587 | keyEvent.m_evtKey = CreateKeyEvent(wxEVT_KEY_DOWN, wParam, lParam); |
aa8166dd VZ |
2588 | |
2589 | bool processed = HandleTreeEvent(keyEvent); | |
2590 | ||
2591 | // generate a separate event for Space/Return | |
2592 | if ( !wxIsCtrlDown() && !wxIsShiftDown() && !wxIsAltDown() && | |
2593 | ((wParam == VK_SPACE) || (wParam == VK_RETURN)) ) | |
2594 | { | |
2595 | const HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd()); | |
2596 | if ( htSel ) | |
2597 | { | |
2598 | wxTreeEvent activatedEvent(wxEVT_COMMAND_TREE_ITEM_ACTIVATED, | |
2599 | this, htSel); | |
2600 | (void)HandleTreeEvent(activatedEvent); | |
2601 | } | |
2602 | } | |
2603 | ||
2604 | return processed; | |
2605 | } | |
2606 | ||
23f681ec VZ |
2607 | // we hook into WndProc to process WM_MOUSEMOVE/WM_BUTTONUP messages - as we |
2608 | // only do it during dragging, minimize wxWin overhead (this is important for | |
2609 | // WM_MOUSEMOVE as they're a lot of them) by catching Windows messages directly | |
2610 | // instead of passing by wxWin events | |
c7d9c476 VZ |
2611 | WXLRESULT |
2612 | wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) | |
23f681ec | 2613 | { |
04cd30de | 2614 | bool processed = false; |
c140b7e7 | 2615 | WXLRESULT rc = 0; |
2b9a7d4c | 2616 | bool isMultiple = HasFlag(wxTR_MULTIPLE); |
3f7bc32b | 2617 | |
499bbaeb | 2618 | if ( nMsg == WM_CONTEXTMENU ) |
30f5e34f | 2619 | { |
147964ca KH |
2620 | int x = GET_X_LPARAM(lParam), |
2621 | y = GET_Y_LPARAM(lParam); | |
8f6dc819 VZ |
2622 | |
2623 | // the item for which the menu should be shown | |
2624 | wxTreeItemId item; | |
2625 | ||
2626 | // the position where the menu should be shown in client coordinates | |
2627 | // (so that it can be passed directly to PopupMenu()) | |
2628 | wxPoint pt; | |
2629 | ||
2630 | if ( x == -1 || y == -1 ) | |
147964ca | 2631 | { |
8f6dc819 VZ |
2632 | // this means that the event was generated from keyboard (e.g. with |
2633 | // Shift-F10 or special Windows menu key) | |
2634 | // | |
2635 | // use the Explorer standard of putting the menu at the left edge | |
2636 | // of the text, in the vertical middle of the text | |
2637 | item = wxTreeItemId(TreeView_GetSelection(GetHwnd())); | |
2638 | if ( item.IsOk() ) | |
2639 | { | |
2640 | // Use the bounding rectangle of only the text part | |
2641 | wxRect rect; | |
2642 | GetBoundingRect(item, rect, true); | |
2643 | pt = wxPoint(rect.GetX(), rect.GetY() + rect.GetHeight() / 2); | |
2644 | } | |
147964ca | 2645 | } |
8f6dc819 | 2646 | else // event from mouse, use mouse position |
147964ca | 2647 | { |
8f6dc819 VZ |
2648 | pt = ScreenToClient(wxPoint(x, y)); |
2649 | ||
2650 | TV_HITTESTINFO tvhti; | |
2651 | tvhti.pt.x = pt.x; | |
2652 | tvhti.pt.y = pt.y; | |
c7d9c476 | 2653 | |
8f6dc819 VZ |
2654 | if ( TreeView_HitTest(GetHwnd(), &tvhti) ) |
2655 | item = wxTreeItemId(tvhti.hItem); | |
147964ca KH |
2656 | } |
2657 | ||
8f6dc819 | 2658 | // create the event |
22993989 VZ |
2659 | if ( item.IsOk() ) |
2660 | { | |
2661 | wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_MENU, this, item); | |
8f6dc819 | 2662 | |
22993989 | 2663 | event.m_pointDrag = pt; |
8f6dc819 | 2664 | |
22993989 VZ |
2665 | if ( HandleTreeEvent(event) ) |
2666 | processed = true; | |
2667 | //else: continue with generating wxEVT_CONTEXT_MENU in base class code | |
2668 | } | |
30f5e34f | 2669 | } |
2b9a7d4c | 2670 | else if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) ) |
23f681ec | 2671 | { |
7bb8798c VZ |
2672 | // we only process mouse messages here and these parameters have the |
2673 | // same meaning for all of them | |
3f7bc32b VZ |
2674 | int x = GET_X_LPARAM(lParam), |
2675 | y = GET_Y_LPARAM(lParam); | |
8ecd5de2 | 2676 | |
e3ad5702 JS |
2677 | TV_HITTESTINFO tvht; |
2678 | tvht.pt.x = x; | |
2679 | tvht.pt.y = y; | |
8ecd5de2 | 2680 | |
c7d9c476 | 2681 | HTREEITEM htOldItem = TreeView_GetSelection(GetHwnd()); |
8854a202 | 2682 | HTREEITEM htItem = TreeView_HitTest(GetHwnd(), &tvht); |
3f7bc32b | 2683 | |
23f681ec VZ |
2684 | switch ( nMsg ) |
2685 | { | |
3f7bc32b | 2686 | case WM_LBUTTONDOWN: |
c7d9c476 VZ |
2687 | if ( !isMultiple ) |
2688 | break; | |
2689 | ||
c7d9c476 VZ |
2690 | m_htClickedItem.Unset(); |
2691 | ||
3c8cbc12 | 2692 | if ( !MSWIsOnItem(tvht.flags) ) |
23f681ec | 2693 | { |
f2fec40d | 2694 | if ( tvht.flags & TVHT_ONITEMBUTTON ) |
c7d9c476 | 2695 | { |
f2fec40d VZ |
2696 | // either it's going to be handled by user code or |
2697 | // we're going to use it ourselves to toggle the | |
2698 | // branch, in either case don't pass it to the base | |
2699 | // class which would generate another mouse click event | |
2700 | // for it even though it's already handled here | |
2701 | processed = true; | |
2702 | SetFocus(); | |
2703 | ||
2704 | if ( !HandleMouseEvent(nMsg, x, y, wParam) ) | |
c7d9c476 VZ |
2705 | { |
2706 | if ( !IsExpanded(htItem) ) | |
2707 | { | |
2708 | Expand(htItem); | |
2709 | } | |
2710 | else | |
2711 | { | |
2712 | Collapse(htItem); | |
2713 | } | |
2714 | } | |
2715 | } | |
8ecd5de2 | 2716 | |
7dac12ef | 2717 | m_focusLost = false; |
c7d9c476 VZ |
2718 | break; |
2719 | } | |
2720 | ||
7dac12ef | 2721 | processed = true; |
c7d9c476 VZ |
2722 | SetFocus(); |
2723 | m_htClickedItem = (WXHTREEITEM) htItem; | |
2724 | m_ptClick = wxPoint(x, y); | |
2725 | ||
2726 | if ( wParam & MK_CONTROL ) | |
2727 | { | |
2728 | if ( HandleMouseEvent(nMsg, x, y, wParam) ) | |
3f7bc32b | 2729 | { |
c7d9c476 VZ |
2730 | m_htClickedItem.Unset(); |
2731 | break; | |
2732 | } | |
23f681ec | 2733 | |
c7d9c476 VZ |
2734 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, |
2735 | this, htItem); | |
2736 | changingEvent.m_itemOld = htOldItem; | |
2737 | ||
2738 | if ( IsTreeEventAllowed(changingEvent) ) | |
2739 | { | |
3f7bc32b | 2740 | // toggle selected state |
7dac12ef | 2741 | DoToggleItemSelection(wxTreeItemId(htItem)); |
3f7bc32b | 2742 | |
7dac12ef | 2743 | SetFocusedItem(wxTreeItemId(htItem)); |
3f7bc32b VZ |
2744 | |
2745 | // reset on any click without Shift | |
f888d614 | 2746 | m_htSelStart.Unset(); |
3f7bc32b | 2747 | |
c7d9c476 VZ |
2748 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, |
2749 | this, htItem); | |
2750 | changedEvent.m_itemOld = htOldItem; | |
2751 | (void)HandleTreeEvent(changedEvent); | |
3f7bc32b | 2752 | } |
c7d9c476 VZ |
2753 | } |
2754 | else if ( wParam & MK_SHIFT ) | |
2755 | { | |
2756 | if ( HandleMouseEvent(nMsg, x, y, wParam) ) | |
3f7bc32b | 2757 | { |
c7d9c476 VZ |
2758 | m_htClickedItem.Unset(); |
2759 | break; | |
2760 | } | |
3f7bc32b | 2761 | |
c7d9c476 VZ |
2762 | int srFlags = 0; |
2763 | bool willChange = true; | |
3f7bc32b | 2764 | |
c7d9c476 VZ |
2765 | if ( !(wParam & MK_CONTROL) ) |
2766 | { | |
2767 | srFlags |= SR_UNSELECT_OTHERS; | |
2768 | } | |
23f681ec | 2769 | |
c7d9c476 VZ |
2770 | if ( !m_htSelStart ) |
2771 | { | |
2772 | // take the focused item | |
2773 | m_htSelStart = htOldItem; | |
3f7bc32b | 2774 | } |
c7d9c476 | 2775 | else |
3f7bc32b | 2776 | { |
c7d9c476 VZ |
2777 | willChange = SelectRange(GetHwnd(), HITEM(m_htSelStart), |
2778 | htItem, srFlags | SR_SIMULATE); | |
2779 | } | |
8ecd5de2 | 2780 | |
c7d9c476 VZ |
2781 | if ( willChange ) |
2782 | { | |
2783 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2784 | this, htItem); | |
2785 | changingEvent.m_itemOld = htOldItem; | |
5e7718a2 | 2786 | |
c7d9c476 | 2787 | if ( IsTreeEventAllowed(changingEvent) ) |
df4ac4c7 | 2788 | { |
c7d9c476 VZ |
2789 | // this selects all items between the starting one |
2790 | // and the current | |
2791 | if ( m_htSelStart ) | |
2792 | { | |
2793 | SelectRange(GetHwnd(), HITEM(m_htSelStart), | |
2794 | htItem, srFlags); | |
2795 | } | |
2796 | else | |
35cf1ec6 | 2797 | { |
7dac12ef | 2798 | DoSelectItem(wxTreeItemId(htItem)); |
c7d9c476 | 2799 | } |
35cf1ec6 | 2800 | |
7dac12ef | 2801 | SetFocusedItem(wxTreeItemId(htItem)); |
35cf1ec6 | 2802 | |
c7d9c476 VZ |
2803 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, |
2804 | this, htItem); | |
2805 | changedEvent.m_itemOld = htOldItem; | |
2806 | (void)HandleTreeEvent(changedEvent); | |
2807 | } | |
2808 | } | |
2809 | } | |
2810 | else // normal click | |
2811 | { | |
2812 | // avoid doing anything if we click on the only | |
2813 | // currently selected item | |
2814 | ||
2815 | wxArrayTreeItemIds selections; | |
2816 | size_t count = GetSelections(selections); | |
2817 | ||
2818 | if ( count == 0 || | |
2819 | count > 1 || | |
2820 | HITEM(selections[0]) != htItem ) | |
2821 | { | |
2822 | if ( HandleMouseEvent(nMsg, x, y, wParam) ) | |
2823 | { | |
2824 | m_htClickedItem.Unset(); | |
2825 | break; | |
2826 | } | |
2827 | ||
2828 | // clear the previously selected items, if the user | |
2829 | // clicked outside of the present selection, otherwise, | |
2830 | // perform the deselection on mouse-up, this allows | |
2831 | // multiple drag and drop to work. | |
c7d9c476 VZ |
2832 | if ( !IsItemSelected(GetHwnd(), htItem)) |
2833 | { | |
2834 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, | |
2835 | this, htItem); | |
2836 | changingEvent.m_itemOld = htOldItem; | |
2837 | ||
2838 | if ( IsTreeEventAllowed(changingEvent) ) | |
2839 | { | |
2840 | DoUnselectAll(); | |
7dac12ef VZ |
2841 | DoSelectItem(wxTreeItemId(htItem)); |
2842 | SetFocusedItem(wxTreeItemId(htItem)); | |
c7d9c476 VZ |
2843 | |
2844 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
2845 | this, htItem); | |
2846 | changedEvent.m_itemOld = htOldItem; | |
2847 | (void)HandleTreeEvent(changedEvent); | |
35cf1ec6 | 2848 | } |
c7d9c476 VZ |
2849 | } |
2850 | else | |
2851 | { | |
7dac12ef | 2852 | SetFocusedItem(wxTreeItemId(htItem)); |
d301c440 | 2853 | m_mouseUpDeselect = true; |
df4ac4c7 | 2854 | } |
c7d9c476 VZ |
2855 | } |
2856 | else // click on a single selected item | |
2857 | { | |
2858 | // don't interfere with the default processing in | |
2859 | // WM_MOUSEMOVE handler below as the default window | |
2860 | // proc will start the drag itself if we let have | |
2861 | // WM_LBUTTONDOWN | |
2862 | m_htClickedItem.Unset(); | |
2863 | ||
2864 | // prevent in-place editing from starting if focus lost | |
2865 | // since previous click | |
2866 | if ( m_focusLost ) | |
b8e3f1cf | 2867 | { |
7dac12ef VZ |
2868 | ClearFocusedItem(); |
2869 | DoSelectItem(wxTreeItemId(htItem)); | |
2870 | SetFocusedItem(wxTreeItemId(htItem)); | |
2871 | } | |
2872 | else | |
2873 | { | |
2874 | processed = false; | |
b8e3f1cf | 2875 | } |
c7d9c476 VZ |
2876 | } |
2877 | ||
2878 | // reset on any click without Shift | |
2879 | m_htSelStart.Unset(); | |
2880 | } | |
2881 | ||
2882 | m_focusLost = false; | |
2883 | ||
2884 | // we consumed the event so we need to trigger state image | |
2885 | // click if needed | |
2886 | if ( processed ) | |
2887 | { | |
2888 | int htFlags = 0; | |
2889 | wxTreeItemId item = HitTest(wxPoint(x, y), htFlags); | |
2890 | ||
2891 | if ( htFlags & wxTREE_HITTEST_ONITEMSTATEICON ) | |
2892 | { | |
2893 | m_triggerStateImageClick = true; | |
3f7bc32b VZ |
2894 | } |
2895 | } | |
2896 | break; | |
3f7bc32b | 2897 | |
e0bf68d6 | 2898 | case WM_RBUTTONDOWN: |
c7d9c476 VZ |
2899 | if ( !isMultiple ) |
2900 | break; | |
2901 | ||
2902 | processed = true; | |
2903 | SetFocus(); | |
2904 | ||
2905 | if ( HandleMouseEvent(nMsg, x, y, wParam) || !htItem ) | |
2906 | { | |
2907 | break; | |
2908 | } | |
2909 | ||
e0bf68d6 VZ |
2910 | // default handler removes the highlight from the currently |
2911 | // focused item when right mouse button is pressed on another | |
2912 | // one but keeps the remaining items highlighted, which is | |
c7d9c476 VZ |
2913 | // confusing, so override this default behaviour |
2914 | if ( !IsItemSelected(GetHwnd(), htItem) ) | |
e0bf68d6 | 2915 | { |
c7d9c476 VZ |
2916 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, |
2917 | this, htItem); | |
2918 | changingEvent.m_itemOld = htOldItem; | |
2919 | ||
2920 | if ( IsTreeEventAllowed(changingEvent) ) | |
e0bf68d6 | 2921 | { |
c7d9c476 | 2922 | DoUnselectAll(); |
7dac12ef VZ |
2923 | DoSelectItem(wxTreeItemId(htItem)); |
2924 | SetFocusedItem(wxTreeItemId(htItem)); | |
e0bf68d6 | 2925 | |
c7d9c476 VZ |
2926 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, |
2927 | this, htItem); | |
2928 | changedEvent.m_itemOld = htOldItem; | |
2929 | (void)HandleTreeEvent(changedEvent); | |
2930 | } | |
e0bf68d6 | 2931 | } |
c7d9c476 | 2932 | |
e0bf68d6 VZ |
2933 | break; |
2934 | ||
3f7bc32b | 2935 | case WM_MOUSEMOVE: |
68fc69f3 | 2936 | #ifndef __WXWINCE__ |
e3ad5702 JS |
2937 | if ( m_htClickedItem ) |
2938 | { | |
2939 | int cx = abs(m_ptClick.x - x); | |
2940 | int cy = abs(m_ptClick.y - y); | |
2941 | ||
b8e3f1cf VZ |
2942 | if ( cx > ::GetSystemMetrics(SM_CXDRAG) || |
2943 | cy > ::GetSystemMetrics(SM_CYDRAG) ) | |
e3ad5702 | 2944 | { |
b8e3f1cf VZ |
2945 | NM_TREEVIEW tv; |
2946 | wxZeroMemory(tv); | |
e3ad5702 | 2947 | |
b8e3f1cf VZ |
2948 | tv.hdr.hwndFrom = GetHwnd(); |
2949 | tv.hdr.idFrom = ::GetWindowLong(GetHwnd(), GWL_ID); | |
2950 | tv.hdr.code = TVN_BEGINDRAG; | |
8ecd5de2 | 2951 | |
b8e3f1cf | 2952 | tv.itemNew.hItem = HITEM(m_htClickedItem); |
8ecd5de2 | 2953 | |
8ecd5de2 | 2954 | |
b8e3f1cf VZ |
2955 | TVITEM tviAux; |
2956 | wxZeroMemory(tviAux); | |
8ecd5de2 | 2957 | |
b8e3f1cf VZ |
2958 | tviAux.hItem = HITEM(m_htClickedItem); |
2959 | tviAux.mask = TVIF_STATE | TVIF_PARAM; | |
2960 | tviAux.stateMask = 0xffffffff; | |
2961 | TreeView_GetItem(GetHwnd(), &tviAux); | |
8ecd5de2 | 2962 | |
b8e3f1cf VZ |
2963 | tv.itemNew.state = tviAux.state; |
2964 | tv.itemNew.lParam = tviAux.lParam; | |
2965 | ||
2966 | tv.ptDrag.x = x; | |
2967 | tv.ptDrag.y = y; | |
2968 | ||
2969 | // do it before SendMessage() call below to avoid | |
2970 | // reentrancies here if there is another WM_MOUSEMOVE | |
2971 | // in the queue already | |
e3ad5702 | 2972 | m_htClickedItem.Unset(); |
b8e3f1cf VZ |
2973 | |
2974 | ::SendMessage(GetHwndOf(GetParent()), WM_NOTIFY, | |
2975 | tv.hdr.idFrom, (LPARAM)&tv ); | |
2976 | ||
2977 | // don't pass it to the default window proc, it would | |
2978 | // start dragging again | |
2979 | processed = true; | |
e3ad5702 | 2980 | } |
e3ad5702 | 2981 | } |
68fc69f3 | 2982 | #endif // __WXWINCE__ |
8ecd5de2 | 2983 | |
68d9be05 | 2984 | #if wxUSE_DRAGIMAGE |
3f7bc32b VZ |
2985 | if ( m_dragImage ) |
2986 | { | |
afff720b | 2987 | m_dragImage->Move(wxPoint(x, y)); |
3f7bc32b | 2988 | if ( htItem ) |
23f681ec VZ |
2989 | { |
2990 | // highlight the item as target (hiding drag image is | |
2991 | // necessary - otherwise the display will be corrupted) | |
68be9f09 | 2992 | m_dragImage->Hide(); |
3f7bc32b | 2993 | TreeView_SelectDropTarget(GetHwnd(), htItem); |
68be9f09 | 2994 | m_dragImage->Show(); |
23f681ec VZ |
2995 | } |
2996 | } | |
68d9be05 | 2997 | #endif // wxUSE_DRAGIMAGE |
23f681ec VZ |
2998 | break; |
2999 | ||
3000 | case WM_LBUTTONUP: | |
c7d9c476 | 3001 | if ( isMultiple ) |
35cf1ec6 | 3002 | { |
d301c440 | 3003 | // deselect other items if needed |
c7d9c476 | 3004 | if ( htItem ) |
35cf1ec6 | 3005 | { |
d301c440 | 3006 | if ( m_mouseUpDeselect ) |
c7d9c476 | 3007 | { |
d301c440 VZ |
3008 | m_mouseUpDeselect = false; |
3009 | ||
c7d9c476 VZ |
3010 | wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, |
3011 | this, htItem); | |
3012 | changingEvent.m_itemOld = htOldItem; | |
3013 | ||
3014 | if ( IsTreeEventAllowed(changingEvent) ) | |
3015 | { | |
3016 | DoUnselectAll(); | |
7dac12ef VZ |
3017 | DoSelectItem(wxTreeItemId(htItem)); |
3018 | SetFocusedItem(wxTreeItemId(htItem)); | |
c7d9c476 VZ |
3019 | |
3020 | wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, | |
3021 | this, htItem); | |
3022 | changedEvent.m_itemOld = htOldItem; | |
3023 | (void)HandleTreeEvent(changedEvent); | |
3024 | } | |
3025 | } | |
35cf1ec6 | 3026 | } |
c7d9c476 | 3027 | |
e3ad5702 | 3028 | m_htClickedItem.Unset(); |
c7d9c476 VZ |
3029 | |
3030 | if ( m_triggerStateImageClick ) | |
3031 | { | |
3032 | if ( tvht.flags & TVHT_ONITEMSTATEICON ) | |
3033 | { | |
3034 | wxTreeEvent event(wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK, | |
3035 | this, htItem); | |
3036 | (void)HandleTreeEvent(event); | |
3037 | ||
3038 | m_triggerStateImageClick = false; | |
3039 | processed = true; | |
3040 | } | |
3041 | } | |
3042 | ||
3c8cbc12 | 3043 | if ( !m_dragStarted && MSWIsOnItem(tvht.flags) ) |
c7d9c476 VZ |
3044 | { |
3045 | processed = true; | |
3046 | } | |
35cf1ec6 VZ |
3047 | } |
3048 | ||
3049 | // fall through | |
3050 | ||
23f681ec | 3051 | case WM_RBUTTONUP: |
68d9be05 | 3052 | #if wxUSE_DRAGIMAGE |
3f7bc32b | 3053 | if ( m_dragImage ) |
23f681ec | 3054 | { |
68be9f09 | 3055 | m_dragImage->EndDrag(); |
5276b0a5 | 3056 | wxDELETE(m_dragImage); |
23f681ec VZ |
3057 | |
3058 | // generate the drag end event | |
c7d9c476 VZ |
3059 | wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, |
3060 | this, htItem); | |
72e61024 | 3061 | event.m_pointDrag = wxPoint(x, y); |
c7d9c476 | 3062 | (void)HandleTreeEvent(event); |
225fe9d6 VZ |
3063 | |
3064 | // if we don't do it, the tree seems to think that 2 items | |
3065 | // are selected simultaneously which is quite weird | |
3066 | TreeView_SelectDropTarget(GetHwnd(), 0); | |
23f681ec | 3067 | } |
68d9be05 | 3068 | #endif // wxUSE_DRAGIMAGE |
c7d9c476 VZ |
3069 | |
3070 | if ( isMultiple && nMsg == WM_RBUTTONUP ) | |
3071 | { | |
3072 | // send NM_RCLICK | |
3073 | NMHDR nmhdr; | |
3074 | nmhdr.hwndFrom = GetHwnd(); | |
3075 | nmhdr.idFrom = ::GetWindowLong(GetHwnd(), GWL_ID); | |
3076 | nmhdr.code = NM_RCLICK; | |
3077 | ::SendMessage(::GetParent(GetHwnd()), WM_NOTIFY, | |
3078 | nmhdr.idFrom, (LPARAM)&nmhdr); | |
3079 | processed = true; | |
3080 | } | |
3081 | ||
3082 | m_dragStarted = false; | |
3083 | ||
23f681ec VZ |
3084 | break; |
3085 | } | |
3086 | } | |
c7d9c476 | 3087 | else if ( (nMsg == WM_SETFOCUS || nMsg == WM_KILLFOCUS) ) |
3f7bc32b | 3088 | { |
c7d9c476 | 3089 | if ( isMultiple ) |
3f7bc32b | 3090 | { |
c7d9c476 VZ |
3091 | // the tree control greys out the selected item when it loses focus |
3092 | // and paints it as selected again when it regains it, but it won't | |
3093 | // do it for the other items itself - help it | |
3094 | wxArrayTreeItemIds selections; | |
3095 | size_t count = GetSelections(selections); | |
3096 | RECT rect; | |
3097 | ||
3098 | for ( size_t n = 0; n < count; n++ ) | |
3f7bc32b | 3099 | { |
c7d9c476 VZ |
3100 | // TreeView_GetItemRect() will return false if item is not |
3101 | // visible, which may happen perfectly well | |
3102 | if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]), | |
3103 | &rect, TRUE) ) | |
3104 | { | |
3105 | ::InvalidateRect(GetHwnd(), &rect, FALSE); | |
3106 | } | |
3f7bc32b VZ |
3107 | } |
3108 | } | |
3f7bc32b | 3109 | |
c7d9c476 | 3110 | if ( nMsg == WM_KILLFOCUS ) |
3f7bc32b | 3111 | { |
c7d9c476 VZ |
3112 | m_focusLost = true; |
3113 | } | |
3114 | } | |
3115 | else if ( (nMsg == WM_KEYDOWN || nMsg == WM_SYSKEYDOWN) && isMultiple ) | |
3116 | { | |
aa8166dd VZ |
3117 | // normally we want to generate wxEVT_KEY_DOWN events from TVN_KEYDOWN |
3118 | // notification but for the keys which can be used to change selection | |
3119 | // we need to do it from here so as to not apply the default behaviour | |
3120 | // if the events are handled by the user code | |
3121 | switch ( wParam ) | |
c7d9c476 | 3122 | { |
aa8166dd VZ |
3123 | case VK_RETURN: |
3124 | case VK_SPACE: | |
3125 | case VK_UP: | |
3126 | case VK_DOWN: | |
3127 | case VK_LEFT: | |
3128 | case VK_RIGHT: | |
3129 | case VK_HOME: | |
3130 | case VK_END: | |
3131 | case VK_PRIOR: | |
3132 | case VK_NEXT: | |
d6d857b1 VZ |
3133 | if ( !HandleKeyDown(wParam, lParam) && |
3134 | !MSWHandleTreeKeyDownEvent(wParam, lParam) ) | |
aa8166dd VZ |
3135 | { |
3136 | // use the key to update the selection if it was left | |
3137 | // unprocessed | |
3138 | MSWHandleSelectionKey(wParam); | |
aa8166dd | 3139 | } |
ba8a1961 | 3140 | |
7dac12ef VZ |
3141 | // pretend that we did process it in any case as we already |
3142 | // generated an event for it | |
3143 | processed = true; | |
3144 | ||
aa8166dd VZ |
3145 | //default: for all the other keys leave processed as false so that |
3146 | // the tree control generates a TVN_KEYDOWN for us | |
c7d9c476 | 3147 | } |
3f7bc32b | 3148 | |
3f7bc32b | 3149 | } |
d35dce3a VZ |
3150 | else if ( nMsg == WM_COMMAND ) |
3151 | { | |
3152 | // if we receive a EN_KILLFOCUS command from the in-place edit control | |
3153 | // used for label editing, make sure to end editing | |
3154 | WORD id, cmd; | |
3155 | WXHWND hwnd; | |
3156 | UnpackCommand(wParam, lParam, &id, &hwnd, &cmd); | |
3157 | ||
3158 | if ( cmd == EN_KILLFOCUS ) | |
3159 | { | |
3160 | if ( m_textCtrl && m_textCtrl->GetHandle() == hwnd ) | |
3161 | { | |
3162 | DoEndEditLabel(); | |
3163 | ||
3164 | processed = true; | |
3165 | } | |
3166 | } | |
3167 | } | |
7bb8798c | 3168 | |
3f7bc32b VZ |
3169 | if ( !processed ) |
3170 | rc = wxControl::MSWWindowProc(nMsg, wParam, lParam); | |
3171 | ||
3172 | return rc; | |
23f681ec VZ |
3173 | } |
3174 | ||
fbd8ac52 VZ |
3175 | WXLRESULT |
3176 | wxTreeCtrl::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) | |
3177 | { | |
068b764a VZ |
3178 | if ( nMsg == WM_CHAR ) |
3179 | { | |
df63b2a4 | 3180 | // don't let the control process Space and Return keys because it |
068b764a VZ |
3181 | // doesn't do anything useful with them anyhow but always beeps |
3182 | // annoyingly when it receives them and there is no way to turn it off | |
3183 | // simply if you just process TREEITEM_ACTIVATED event to which Space | |
3184 | // and Enter presses are mapped in your code | |
3185 | if ( wParam == VK_SPACE || wParam == VK_RETURN ) | |
3186 | return 0; | |
3187 | } | |
c4cd8712 VZ |
3188 | #if wxUSE_DRAGIMAGE |
3189 | else if ( nMsg == WM_KEYDOWN ) | |
3190 | { | |
3191 | if ( wParam == VK_ESCAPE ) | |
3192 | { | |
3193 | if ( m_dragImage ) | |
3194 | { | |
3195 | m_dragImage->EndDrag(); | |
5276b0a5 | 3196 | wxDELETE(m_dragImage); |
c4cd8712 VZ |
3197 | |
3198 | // if we don't do it, the tree seems to think that 2 items | |
3199 | // are selected simultaneously which is quite weird | |
3200 | TreeView_SelectDropTarget(GetHwnd(), 0); | |
3201 | } | |
3202 | } | |
3203 | } | |
3204 | #endif // wxUSE_DRAGIMAGE | |
068b764a | 3205 | |
fbd8ac52 VZ |
3206 | return wxControl::MSWDefWindowProc(nMsg, wParam, lParam); |
3207 | } | |
3208 | ||
08b7c251 | 3209 | // process WM_NOTIFY Windows message |
a23fd0e1 | 3210 | bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) |
08b7c251 | 3211 | { |
09f277d6 | 3212 | wxTreeEvent event(wxEVT_NULL, this); |
08b7c251 VZ |
3213 | wxEventType eventType = wxEVT_NULL; |
3214 | NMHDR *hdr = (NMHDR *)lParam; | |
3215 | ||
3216 | switch ( hdr->code ) | |
2bda0e17 | 3217 | { |
08b7c251 VZ |
3218 | case TVN_BEGINDRAG: |
3219 | eventType = wxEVT_COMMAND_TREE_BEGIN_DRAG; | |
3220 | // fall through | |
3221 | ||
3222 | case TVN_BEGINRDRAG: | |
3223 | { | |
3224 | if ( eventType == wxEVT_NULL ) | |
3225 | eventType = wxEVT_COMMAND_TREE_BEGIN_RDRAG; | |
3226 | //else: left drag, already set above | |
3227 | ||
3228 | NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; | |
3229 | ||
ee4b2721 | 3230 | event.m_item = tv->itemNew.hItem; |
08b7c251 | 3231 | event.m_pointDrag = wxPoint(tv->ptDrag.x, tv->ptDrag.y); |
23f681ec VZ |
3232 | |
3233 | // don't allow dragging by default: the user code must | |
3234 | // explicitly say that it wants to allow it to avoid breaking | |
3235 | // the old apps | |
3236 | event.Veto(); | |
08b7c251 | 3237 | } |
696e1ea0 | 3238 | break; |
08b7c251 VZ |
3239 | |
3240 | case TVN_BEGINLABELEDIT: | |
3241 | { | |
3242 | eventType = wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT; | |
3243 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
3244 | ||
646a8a4d VZ |
3245 | // although the user event handler may still veto it, it is |
3246 | // important to set it now so that calls to SetItemText() from | |
3247 | // the event handler would change the text controls contents | |
3248 | m_idEdited = | |
ee4b2721 | 3249 | event.m_item = info->item.hItem; |
5ea47806 | 3250 | event.m_label = info->item.pszText; |
04cd30de | 3251 | event.m_editCancelled = false; |
08b7c251 | 3252 | } |
696e1ea0 | 3253 | break; |
08b7c251 VZ |
3254 | |
3255 | case TVN_DELETEITEM: | |
3256 | { | |
3257 | eventType = wxEVT_COMMAND_TREE_DELETE_ITEM; | |
3258 | NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; | |
3259 | ||
ee4b2721 | 3260 | event.m_item = tv->itemOld.hItem; |
696e1ea0 VZ |
3261 | |
3262 | if ( m_hasAnyAttr ) | |
3263 | { | |
ee4b2721 VZ |
3264 | wxMapTreeAttr::iterator it = m_attrs.find(tv->itemOld.hItem); |
3265 | if ( it != m_attrs.end() ) | |
3266 | { | |
3267 | delete it->second; | |
3268 | m_attrs.erase(it); | |
3269 | } | |
696e1ea0 | 3270 | } |
08b7c251 | 3271 | } |
696e1ea0 | 3272 | break; |
08b7c251 VZ |
3273 | |
3274 | case TVN_ENDLABELEDIT: | |
3275 | { | |
3276 | eventType = wxEVT_COMMAND_TREE_END_LABEL_EDIT; | |
3277 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
3278 | ||
ee4b2721 | 3279 | event.m_item = info->item.hItem; |
5ea47806 | 3280 | event.m_label = info->item.pszText; |
06110b00 | 3281 | event.m_editCancelled = info->item.pszText == NULL; |
08b7c251 VZ |
3282 | break; |
3283 | } | |
3284 | ||
676d6550 | 3285 | #ifndef __WXWINCE__ |
156194e1 JS |
3286 | // These *must* not be removed or TVN_GETINFOTIP will |
3287 | // not be processed each time the mouse is moved | |
3288 | // and the tooltip will only ever update once. | |
3289 | case TTN_NEEDTEXTA: | |
3290 | case TTN_NEEDTEXTW: | |
3291 | { | |
3292 | *result = 0; | |
3293 | ||
3294 | break; | |
3295 | } | |
3296 | ||
f3f71703 | 3297 | #ifdef TVN_GETINFOTIP |
156194e1 JS |
3298 | case TVN_GETINFOTIP: |
3299 | { | |
3300 | eventType = wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP; | |
3301 | NMTVGETINFOTIP *info = (NMTVGETINFOTIP*)lParam; | |
3302 | ||
3303 | // Which item are we trying to get a tooltip for? | |
bc0aebab | 3304 | event.m_item = info->hItem; |
156194e1 JS |
3305 | |
3306 | break; | |
3307 | } | |
df63b2a4 VZ |
3308 | #endif // TVN_GETINFOTIP |
3309 | #endif // !__WXWINCE__ | |
5e7718a2 | 3310 | |
08b7c251 VZ |
3311 | case TVN_GETDISPINFO: |
3312 | eventType = wxEVT_COMMAND_TREE_GET_INFO; | |
3313 | // fall through | |
3314 | ||
3315 | case TVN_SETDISPINFO: | |
3316 | { | |
3317 | if ( eventType == wxEVT_NULL ) | |
3318 | eventType = wxEVT_COMMAND_TREE_SET_INFO; | |
3319 | //else: get, already set above | |
3320 | ||
3321 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
3322 | ||
ee4b2721 | 3323 | event.m_item = info->item.hItem; |
08b7c251 VZ |
3324 | break; |
3325 | } | |
3326 | ||
3327 | case TVN_ITEMEXPANDING: | |
08b7c251 VZ |
3328 | case TVN_ITEMEXPANDED: |
3329 | { | |
4523ebb3 | 3330 | NM_TREEVIEW *tv = (NM_TREEVIEW*)lParam; |
08b7c251 | 3331 | |
deb1de30 | 3332 | int what; |
08b7c251 VZ |
3333 | switch ( tv->action ) |
3334 | { | |
deb1de30 VZ |
3335 | default: |
3336 | wxLogDebug(wxT("unexpected code %d in TVN_ITEMEXPAND message"), tv->action); | |
3337 | // fall through | |
3338 | ||
08b7c251 | 3339 | case TVE_EXPAND: |
deb1de30 | 3340 | what = IDX_EXPAND; |
08b7c251 VZ |
3341 | break; |
3342 | ||
3343 | case TVE_COLLAPSE: | |
deb1de30 | 3344 | what = IDX_COLLAPSE; |
08b7c251 | 3345 | break; |
08b7c251 VZ |
3346 | } |
3347 | ||
2b5f62a0 VZ |
3348 | int how = hdr->code == TVN_ITEMEXPANDING ? IDX_DOING |
3349 | : IDX_DONE; | |
deb1de30 VZ |
3350 | |
3351 | eventType = gs_expandEvents[what][how]; | |
08b7c251 | 3352 | |
ee4b2721 | 3353 | event.m_item = tv->itemNew.hItem; |
08b7c251 | 3354 | } |
696e1ea0 | 3355 | break; |
08b7c251 VZ |
3356 | |
3357 | case TVN_KEYDOWN: | |
3358 | { | |
08b7c251 VZ |
3359 | TV_KEYDOWN *info = (TV_KEYDOWN *)lParam; |
3360 | ||
1944ad76 VZ |
3361 | // fabricate the lParam and wParam parameters sufficiently |
3362 | // similar to the ones from a "real" WM_KEYDOWN so that | |
3363 | // CreateKeyEvent() works correctly | |
47e10541 VZ |
3364 | return MSWHandleTreeKeyDownEvent( |
3365 | info->wVKey, (wxIsAltDown() ? KF_ALTDOWN : 0) << 16); | |
08b7c251 VZ |
3366 | } |
3367 | ||
5fe302ef BW |
3368 | |
3369 | // Vista's tree control has introduced some problems with our | |
3370 | // multi-selection tree. When TreeView_SelectItem() is called, | |
3371 | // the wrong items are deselected. | |
20bdddad | 3372 | |
5fe302ef BW |
3373 | // Fortunately, Vista provides a new notification, TVN_ITEMCHANGING |
3374 | // that can be used to regulate this incorrect behavior. The | |
3375 | // following messages will allow only the unlocked item's selection | |
3376 | // state to change | |
396f85ba | 3377 | |
5fe302ef BW |
3378 | case TVN_ITEMCHANGINGA: |
3379 | case TVN_ITEMCHANGINGW: | |
3380 | { | |
3381 | // we only need to handles these in multi-select trees | |
3382 | if ( HasFlag(wxTR_MULTIPLE) ) | |
3383 | { | |
3384 | // get info about the item about to be changed | |
3385 | NMTVITEMCHANGE* info = (NMTVITEMCHANGE*)lParam; | |
396f85ba | 3386 | if (TreeItemUnlocker::IsLocked(info->hItem)) |
5fe302ef BW |
3387 | { |
3388 | // item's state is locked, don't allow the change | |
3389 | // returning 1 will disallow the change | |
20bdddad | 3390 | *result = 1; |
5fe302ef BW |
3391 | return true; |
3392 | } | |
3393 | } | |
3394 | ||
3395 | // allow the state change | |
3396 | } | |
3397 | return false; | |
3398 | ||
5e7718a2 | 3399 | // NB: MSLU is broken and sends TVN_SELCHANGEDA instead of |
69a8b5b4 VS |
3400 | // TVN_SELCHANGEDW in Unicode mode under Win98. Therefore |
3401 | // we have to handle both messages: | |
3402 | case TVN_SELCHANGEDA: | |
3403 | case TVN_SELCHANGEDW: | |
942f40ca | 3404 | if ( !m_changingSelection ) |
c7d9c476 VZ |
3405 | { |
3406 | eventType = wxEVT_COMMAND_TREE_SEL_CHANGED; | |
3407 | } | |
08b7c251 VZ |
3408 | // fall through |
3409 | ||
69a8b5b4 VS |
3410 | case TVN_SELCHANGINGA: |
3411 | case TVN_SELCHANGINGW: | |
942f40ca | 3412 | if ( !m_changingSelection ) |
08b7c251 VZ |
3413 | { |
3414 | if ( eventType == wxEVT_NULL ) | |
3415 | eventType = wxEVT_COMMAND_TREE_SEL_CHANGING; | |
3416 | //else: already set above | |
3417 | ||
5e7718a2 | 3418 | if (hdr->code == TVN_SELCHANGINGW || |
69a8b5b4 VS |
3419 | hdr->code == TVN_SELCHANGEDW) |
3420 | { | |
4523ebb3 | 3421 | NM_TREEVIEWW *tv = (NM_TREEVIEWW *)lParam; |
ee4b2721 VZ |
3422 | event.m_item = tv->itemNew.hItem; |
3423 | event.m_itemOld = tv->itemOld.hItem; | |
69a8b5b4 VS |
3424 | } |
3425 | else | |
3426 | { | |
4523ebb3 | 3427 | NM_TREEVIEWA *tv = (NM_TREEVIEWA *)lParam; |
ee4b2721 VZ |
3428 | event.m_item = tv->itemNew.hItem; |
3429 | event.m_itemOld = tv->itemOld.hItem; | |
69a8b5b4 | 3430 | } |
08b7c251 | 3431 | } |
cb776b66 VZ |
3432 | |
3433 | // we receive this message from WM_LBUTTONDOWN handler inside | |
3434 | // comctl32.dll and so before the click is passed to | |
3435 | // DefWindowProc() which sets the focus to the window which was | |
3436 | // clicked and this can lead to unexpected event sequences: for | |
3437 | // example, we may get a "selection change" event from the tree | |
3438 | // before getting a "kill focus" event for the text control which | |
3439 | // had the focus previously, thus breaking user code doing input | |
3440 | // validation | |
3441 | // | |
3442 | // to avoid such surprises, we force the generation of focus events | |
3443 | // now, before we generate the selection change ones | |
1da2783c VZ |
3444 | if ( !m_changingSelection ) |
3445 | SetFocus(); | |
696e1ea0 VZ |
3446 | break; |
3447 | ||
c7d9c476 VZ |
3448 | // instead of explicitly checking for _WIN32_IE, check if the |
3449 | // required symbols are available in the headers | |
1f77d487 | 3450 | #if defined(CDDS_PREPAINT) |
696e1ea0 VZ |
3451 | case NM_CUSTOMDRAW: |
3452 | { | |
3453 | LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam; | |
3454 | NMCUSTOMDRAW& nmcd = lptvcd->nmcd; | |
d7926e0b | 3455 | switch ( nmcd.dwDrawStage ) |
696e1ea0 VZ |
3456 | { |
3457 | case CDDS_PREPAINT: | |
3458 | // if we've got any items with non standard attributes, | |
3459 | // notify us before painting each item | |
3460 | *result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW | |
3461 | : CDRF_DODEFAULT; | |
4754ab16 RR |
3462 | |
3463 | // windows in TreeCtrl use one-based index for item state images, | |
3464 | // 0 indexed image is not being used, we're using zero-based index, | |
3465 | // so we have to add temp image (of zero index) to state image list | |
3466 | // before we draw any item, then after items are drawn we have to | |
3467 | // delete it (in POSTPAINT notify) | |
3468 | if (m_imageListState && m_imageListState->GetImageCount() > 0) | |
3469 | { | |
2ec94d6b | 3470 | typedef BOOL (wxSTDCALL *ImageList_Copy_t) |
c27dce18 VZ |
3471 | (HIMAGELIST, int, HIMAGELIST, int, UINT); |
3472 | static ImageList_Copy_t s_pfnImageList_Copy = NULL; | |
3473 | static bool loaded = false; | |
3474 | ||
3475 | if ( !loaded ) | |
3476 | { | |
9a83f860 | 3477 | wxLoadedDLL dllComCtl32(wxT("comctl32.dll")); |
c27dce18 VZ |
3478 | if ( dllComCtl32.IsLoaded() ) |
3479 | wxDL_INIT_FUNC(s_pfn, ImageList_Copy, dllComCtl32); | |
3480 | } | |
3481 | ||
3482 | if ( !s_pfnImageList_Copy ) | |
3483 | { | |
3484 | // this code is broken with ImageList_Copy() | |
3485 | // but I don't care enough about Win95 support | |
3486 | // to write it now -- if anybody does, please | |
3487 | // do it | |
3488 | wxFAIL_MSG("TODO: implement this for Win95"); | |
3489 | break; | |
3490 | } | |
3491 | ||
3492 | const HIMAGELIST | |
3493 | hImageList = GetHimagelistOf(m_imageListState); | |
4754ab16 RR |
3494 | |
3495 | // add temporary image | |
3496 | int width, height; | |
3497 | m_imageListState->GetSize(0, width, height); | |
3498 | ||
3499 | HBITMAP hbmpTemp = ::CreateBitmap(width, height, 1, 1, NULL); | |
3500 | int index = ::ImageList_Add(hImageList, hbmpTemp, hbmpTemp); | |
3501 | ::DeleteObject(hbmpTemp); | |
3502 | ||
3503 | if ( index != -1 ) | |
3504 | { | |
3505 | // move images to right | |
3506 | for ( int i = index; i > 0; i-- ) | |
c27dce18 VZ |
3507 | { |
3508 | (*s_pfnImageList_Copy)(hImageList, i, | |
3509 | hImageList, i-1, | |
3510 | ILCF_MOVE); | |
3511 | } | |
4754ab16 RR |
3512 | |
3513 | // we must remove the image in POSTPAINT notify | |
3514 | *result |= CDRF_NOTIFYPOSTPAINT; | |
3515 | } | |
4754ab16 RR |
3516 | } |
3517 | break; | |
3518 | ||
3519 | case CDDS_POSTPAINT: | |
3520 | // we are deleting temp image of 0 index, which was | |
3521 | // added before items were drawn (in PREPAINT notify) | |
3522 | if (m_imageListState && m_imageListState->GetImageCount() > 0) | |
3523 | m_imageListState->Remove(0); | |
d7926e0b | 3524 | break; |
696e1ea0 VZ |
3525 | |
3526 | case CDDS_ITEMPREPAINT: | |
3527 | { | |
ee4b2721 VZ |
3528 | wxMapTreeAttr::iterator |
3529 | it = m_attrs.find((void *)nmcd.dwItemSpec); | |
696e1ea0 | 3530 | |
ee4b2721 | 3531 | if ( it == m_attrs.end() ) |
696e1ea0 VZ |
3532 | { |
3533 | // nothing to do for this item | |
d7926e0b VZ |
3534 | *result = CDRF_DODEFAULT; |
3535 | break; | |
696e1ea0 VZ |
3536 | } |
3537 | ||
ee4b2721 VZ |
3538 | wxTreeItemAttr * const attr = it->second; |
3539 | ||
8b713759 VZ |
3540 | wxTreeViewItem tvItem((void *)nmcd.dwItemSpec, |
3541 | TVIF_STATE, TVIS_DROPHILITED); | |
3542 | DoGetItem(&tvItem); | |
3543 | const UINT tvItemState = tvItem.state; | |
3544 | ||
19da49fc | 3545 | // selection colours should override ours, |
8b713759 VZ |
3546 | // otherwise it is too confusing to the user |
3547 | if ( !(nmcd.uItemState & CDIS_SELECTED) && | |
3548 | !(tvItemState & TVIS_DROPHILITED) ) | |
696e1ea0 | 3549 | { |
2076893b | 3550 | wxColour colBack; |
696e1ea0 VZ |
3551 | if ( attr->HasBackgroundColour() ) |
3552 | { | |
3553 | colBack = attr->GetBackgroundColour(); | |
19da49fc | 3554 | lptvcd->clrTextBk = wxColourToRGB(colBack); |
696e1ea0 | 3555 | } |
19da49fc VZ |
3556 | } |
3557 | ||
3558 | // but we still want to keep the special foreground | |
3559 | // colour when we don't have focus (we can't keep | |
3560 | // it when we do, it would usually be unreadable on | |
3561 | // the almost inverted bg colour...) | |
8b713759 VZ |
3562 | if ( ( !(nmcd.uItemState & CDIS_SELECTED) || |
3563 | FindFocus() != this ) && | |
3564 | !(tvItemState & TVIS_DROPHILITED) ) | |
19da49fc VZ |
3565 | { |
3566 | wxColour colText; | |
3567 | if ( attr->HasTextColour() ) | |
696e1ea0 | 3568 | { |
19da49fc VZ |
3569 | colText = attr->GetTextColour(); |
3570 | lptvcd->clrText = wxColourToRGB(colText); | |
696e1ea0 | 3571 | } |
696e1ea0 VZ |
3572 | } |
3573 | ||
19da49fc | 3574 | if ( attr->HasFont() ) |
696e1ea0 | 3575 | { |
19da49fc VZ |
3576 | HFONT hFont = GetHfontOf(attr->GetFont()); |
3577 | ||
696e1ea0 VZ |
3578 | ::SelectObject(nmcd.hdc, hFont); |
3579 | ||
3580 | *result = CDRF_NEWFONT; | |
3581 | } | |
19da49fc | 3582 | else // no specific font |
696e1ea0 VZ |
3583 | { |
3584 | *result = CDRF_DODEFAULT; | |
3585 | } | |
696e1ea0 | 3586 | } |
d7926e0b | 3587 | break; |
696e1ea0 VZ |
3588 | |
3589 | default: | |
3590 | *result = CDRF_DODEFAULT; | |
696e1ea0 VZ |
3591 | } |
3592 | } | |
d7926e0b VZ |
3593 | |
3594 | // we always process it | |
04cd30de | 3595 | return true; |
5b59df83 | 3596 | #endif // have owner drawn support in headers |
08b7c251 | 3597 | |
8a000b6b VZ |
3598 | case NM_CLICK: |
3599 | { | |
3600 | DWORD pos = GetMessagePos(); | |
3601 | POINT point; | |
3602 | point.x = LOWORD(pos); | |
3603 | point.y = HIWORD(pos); | |
3604 | ::MapWindowPoints(HWND_DESKTOP, GetHwnd(), &point, 1); | |
c7d9c476 VZ |
3605 | int htFlags = 0; |
3606 | wxTreeItemId item = HitTest(wxPoint(point.x, point.y), htFlags); | |
3607 | ||
3608 | if ( htFlags & wxTREE_HITTEST_ONITEMSTATEICON ) | |
8a000b6b VZ |
3609 | { |
3610 | event.m_item = item; | |
3611 | eventType = wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK; | |
3612 | } | |
c7d9c476 | 3613 | |
8a000b6b VZ |
3614 | break; |
3615 | } | |
3616 | ||
f6bcfd97 BP |
3617 | case NM_DBLCLK: |
3618 | case NM_RCLICK: | |
3619 | { | |
3620 | TV_HITTESTINFO tvhti; | |
3621 | ::GetCursorPos(&tvhti.pt); | |
3622 | ::ScreenToClient(GetHwnd(), &tvhti.pt); | |
3623 | if ( TreeView_HitTest(GetHwnd(), &tvhti) ) | |
3624 | { | |
3c8cbc12 | 3625 | if ( MSWIsOnItem(tvhti.flags) ) |
f6bcfd97 | 3626 | { |
ee4b2721 | 3627 | event.m_item = tvhti.hItem; |
f6bcfd97 BP |
3628 | eventType = (int)hdr->code == NM_DBLCLK |
3629 | ? wxEVT_COMMAND_TREE_ITEM_ACTIVATED | |
3630 | : wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK; | |
8591268f VZ |
3631 | |
3632 | event.m_pointDrag.x = tvhti.pt.x; | |
3633 | event.m_pointDrag.y = tvhti.pt.y; | |
f6bcfd97 BP |
3634 | } |
3635 | ||
3636 | break; | |
3637 | } | |
3638 | } | |
3639 | // fall through | |
3640 | ||
08b7c251 | 3641 | default: |
a23fd0e1 | 3642 | return wxControl::MSWOnNotify(idCtrl, lParam, result); |
2bda0e17 | 3643 | } |
08b7c251 | 3644 | |
08b7c251 VZ |
3645 | event.SetEventType(eventType); |
3646 | ||
c7d9c476 | 3647 | bool processed = HandleTreeEvent(event); |
08b7c251 VZ |
3648 | |
3649 | // post processing | |
5ea47806 | 3650 | switch ( hdr->code ) |
2bda0e17 | 3651 | { |
f6bcfd97 | 3652 | case NM_DBLCLK: |
0e2ad323 VZ |
3653 | // we translate NM_DBLCLK into ACTIVATED event and if the user |
3654 | // handled the activation of the item we shouldn't proceed with | |
3655 | // also using the same double click for toggling the item expanded | |
3656 | // state -- but OTOH do let the user to expand/collapse the item by | |
3657 | // double clicking on it if the activation is not handled specially | |
3658 | *result = processed; | |
f6bcfd97 BP |
3659 | break; |
3660 | ||
df63b2a4 VZ |
3661 | case NM_RCLICK: |
3662 | // prevent tree control from sending WM_CONTEXTMENU to our parent | |
3663 | // (which it does if NM_RCLICK is not handled) because we want to | |
3664 | // send it to the control itself | |
3665 | *result = | |
3666 | processed = true; | |
3667 | ||
3668 | ::SendMessage(GetHwnd(), WM_CONTEXTMENU, | |
3669 | (WPARAM)GetHwnd(), ::GetMessagePos()); | |
3670 | break; | |
3671 | ||
23f681ec VZ |
3672 | case TVN_BEGINDRAG: |
3673 | case TVN_BEGINRDRAG: | |
68d9be05 | 3674 | #if wxUSE_DRAGIMAGE |
23f681ec VZ |
3675 | if ( event.IsAllowed() ) |
3676 | { | |
3677 | // normally this is impossible because the m_dragImage is | |
3678 | // deleted once the drag operation is over | |
9a83f860 | 3679 | wxASSERT_MSG( !m_dragImage, wxT("starting to drag once again?") ); |
23f681ec VZ |
3680 | |
3681 | m_dragImage = new wxDragImage(*this, event.m_item); | |
c47addef | 3682 | m_dragImage->BeginDrag(wxPoint(0,0), this); |
68be9f09 | 3683 | m_dragImage->Show(); |
c7d9c476 VZ |
3684 | |
3685 | m_dragStarted = true; | |
23f681ec | 3686 | } |
68d9be05 | 3687 | #endif // wxUSE_DRAGIMAGE |
23f681ec VZ |
3688 | break; |
3689 | ||
5ea47806 VZ |
3690 | case TVN_DELETEITEM: |
3691 | { | |
77ffb593 | 3692 | // NB: we might process this message using wxWidgets event |
5ea47806 VZ |
3693 | // tables, but due to overhead of wxWin event system we |
3694 | // prefer to do it here ourself (otherwise deleting a tree | |
3695 | // with many items is just too slow) | |
4523ebb3 | 3696 | NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; |
4523ebb3 VZ |
3697 | |
3698 | wxTreeItemParam *param = | |
3699 | (wxTreeItemParam *)tv->itemOld.lParam; | |
3700 | delete param; | |
08b7c251 | 3701 | |
04cd30de | 3702 | processed = true; // Make sure we don't get called twice |
5ea47806 VZ |
3703 | } |
3704 | break; | |
3705 | ||
3706 | case TVN_BEGINLABELEDIT: | |
04cd30de | 3707 | // return true to cancel label editing |
5ea47806 | 3708 | *result = !event.IsAllowed(); |
646a8a4d | 3709 | |
cd6bd270 | 3710 | // set ES_WANTRETURN ( like we do in BeginLabelEdit ) |
646a8a4d | 3711 | if ( event.IsAllowed() ) |
cd6bd270 MB |
3712 | { |
3713 | HWND hText = TreeView_GetEditControl(GetHwnd()); | |
4523ebb3 | 3714 | if ( hText ) |
cd6bd270 | 3715 | { |
5e7718a2 | 3716 | // MBN: if m_textCtrl already has an HWND, it is a stale |
cd6bd270 MB |
3717 | // pointer from a previous edit (because the user |
3718 | // didn't modify the label before dismissing the control, | |
3719 | // and TVN_ENDLABELEDIT was not sent), so delete it | |
4523ebb3 | 3720 | if ( m_textCtrl && m_textCtrl->GetHWND() ) |
cd6bd270 | 3721 | DeleteTextCtrl(); |
4523ebb3 | 3722 | if ( !m_textCtrl ) |
cd6bd270 MB |
3723 | m_textCtrl = new wxTextCtrl(); |
3724 | m_textCtrl->SetParent(this); | |
3725 | m_textCtrl->SetHWND((WXHWND)hText); | |
3726 | m_textCtrl->SubclassWin((WXHWND)hText); | |
3727 | ||
3728 | // set wxTE_PROCESS_ENTER style for the text control to | |
3729 | // force it to process the Enter presses itself, otherwise | |
3730 | // they could be stolen from it by the dialog | |
3731 | // navigation code | |
3732 | m_textCtrl->SetWindowStyle(m_textCtrl->GetWindowStyle() | |
3733 | | wxTE_PROCESS_ENTER); | |
3734 | } | |
3735 | } | |
646a8a4d VZ |
3736 | else // we had set m_idEdited before |
3737 | { | |
3738 | m_idEdited.Unset(); | |
3739 | } | |
5ea47806 VZ |
3740 | break; |
3741 | ||
3742 | case TVN_ENDLABELEDIT: | |
04cd30de | 3743 | // return true to set the label to the new string: note that we |
188781db | 3744 | // also must pretend that we did process the message or it is going |
04cd30de | 3745 | // to be passed to DefWindowProc() which will happily return false |
188781db | 3746 | // cancelling the label change |
5ea47806 | 3747 | *result = event.IsAllowed(); |
04cd30de | 3748 | processed = true; |
5ea47806 VZ |
3749 | |
3750 | // ensure that we don't have the text ctrl which is going to be | |
3751 | // deleted any more | |
3752 | DeleteTextCtrl(); | |
3753 | break; | |
3754 | ||
676d6550 | 3755 | #ifndef __WXWINCE__ |
f3f71703 | 3756 | #ifdef TVN_GETINFOTIP |
156194e1 JS |
3757 | case TVN_GETINFOTIP: |
3758 | { | |
3759 | // If the user permitted a tooltip change, change it | |
3760 | if (event.IsAllowed()) | |
3761 | { | |
3762 | SetToolTip(event.m_label); | |
3763 | } | |
3764 | } | |
3765 | break; | |
f3f71703 | 3766 | #endif |
676d6550 | 3767 | #endif |
5e7718a2 | 3768 | |
5ea47806 VZ |
3769 | case TVN_SELCHANGING: |
3770 | case TVN_ITEMEXPANDING: | |
04cd30de | 3771 | // return true to prevent the action from happening |
5ea47806 VZ |
3772 | *result = !event.IsAllowed(); |
3773 | break; | |
3774 | ||
deb1de30 | 3775 | case TVN_ITEMEXPANDED: |
deb1de30 | 3776 | { |
4523ebb3 | 3777 | NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; |
5188000b | 3778 | const wxTreeItemId id(tv->itemNew.hItem); |
deb1de30 | 3779 | |
5188000b | 3780 | if ( tv->action == TVE_COLLAPSE ) |
bf43d750 | 3781 | { |
5188000b VZ |
3782 | if ( wxApp::GetComCtl32Version() >= 600 ) |
3783 | { | |
3784 | // for some reason the item selection rectangle depends | |
3785 | // on whether it is expanded or collapsed (at least | |
3786 | // with comctl32.dll v6): it is wider (by 3 pixels) in | |
3787 | // the expanded state, so when the item collapses and | |
3788 | // then is deselected the rightmost 3 pixels of the | |
3789 | // previously drawn selection are left on the screen | |
3790 | // | |
3791 | // it's not clear if it's a bug in comctl32.dll or in | |
3792 | // our code (because it does not happen in Explorer but | |
3793 | // OTOH we don't do anything which could result in this | |
3794 | // AFAICS) but we do need to work around it to avoid | |
3795 | // ugly artifacts | |
3796 | RefreshItem(id); | |
3797 | } | |
3798 | } | |
3799 | else // expand | |
3800 | { | |
3801 | // the item is also not refreshed properly after expansion when | |
3802 | // it has an image depending on the expanded/collapsed state: | |
3803 | // again, it's not clear if the bug is in comctl32.dll or our | |
3804 | // code... | |
3805 | int image = GetItemImage(id, wxTreeItemIcon_Expanded); | |
3806 | if ( image != -1 ) | |
3807 | { | |
3808 | RefreshItem(id); | |
3809 | } | |
deb1de30 VZ |
3810 | } |
3811 | } | |
3812 | break; | |
3813 | ||
74b31181 VZ |
3814 | case TVN_GETDISPINFO: |
3815 | // NB: so far the user can't set the image himself anyhow, so do it | |
3816 | // anyway - but this may change later | |
4523ebb3 | 3817 | //if ( /* !processed && */ ) |
74b31181 VZ |
3818 | { |
3819 | wxTreeItemId item = event.m_item; | |
3820 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
4523ebb3 | 3821 | |
1b182562 | 3822 | const wxTreeItemParam * const param = GetItemParam(item); |
4523ebb3 VZ |
3823 | if ( !param ) |
3824 | break; | |
3825 | ||
74b31181 VZ |
3826 | if ( info->item.mask & TVIF_IMAGE ) |
3827 | { | |
3828 | info->item.iImage = | |
4523ebb3 | 3829 | param->GetImage |
74b31181 | 3830 | ( |
74b31181 VZ |
3831 | IsExpanded(item) ? wxTreeItemIcon_Expanded |
3832 | : wxTreeItemIcon_Normal | |
3833 | ); | |
3834 | } | |
3835 | if ( info->item.mask & TVIF_SELECTEDIMAGE ) | |
3836 | { | |
3837 | info->item.iSelectedImage = | |
4523ebb3 | 3838 | param->GetImage |
74b31181 | 3839 | ( |
74b31181 VZ |
3840 | IsExpanded(item) ? wxTreeItemIcon_SelectedExpanded |
3841 | : wxTreeItemIcon_Selected | |
3842 | ); | |
3843 | } | |
deb1de30 | 3844 | } |
74b31181 VZ |
3845 | break; |
3846 | ||
5ea47806 VZ |
3847 | //default: |
3848 | // for the other messages the return value is ignored and there is | |
3849 | // nothing special to do | |
3850 | } | |
fd3f686c | 3851 | return processed; |
2bda0e17 KB |
3852 | } |
3853 | ||
8a000b6b VZ |
3854 | // ---------------------------------------------------------------------------- |
3855 | // State control. | |
3856 | // ---------------------------------------------------------------------------- | |
3857 | ||
3858 | // why do they define INDEXTOSTATEIMAGEMASK but not the inverse? | |
3859 | #define STATEIMAGEMASKTOINDEX(state) (((state) & TVIS_STATEIMAGEMASK) >> 12) | |
3860 | ||
03966fcb | 3861 | int wxTreeCtrl::DoGetItemState(const wxTreeItemId& item) const |
8a000b6b | 3862 | { |
03966fcb | 3863 | wxCHECK_MSG( item.IsOk(), wxTREE_ITEMSTATE_NONE, wxT("invalid tree item") ); |
8a000b6b | 3864 | |
03966fcb RR |
3865 | // receive the desired information |
3866 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK); | |
3867 | DoGetItem(&tvItem); | |
8a000b6b | 3868 | |
03966fcb RR |
3869 | // state images are one-based |
3870 | return STATEIMAGEMASKTOINDEX(tvItem.state) - 1; | |
8a000b6b VZ |
3871 | } |
3872 | ||
03966fcb | 3873 | void wxTreeCtrl::DoSetItemState(const wxTreeItemId& item, int state) |
8a000b6b | 3874 | { |
03966fcb RR |
3875 | wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); |
3876 | ||
3877 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK); | |
8a000b6b | 3878 | |
03966fcb RR |
3879 | // state images are one-based |
3880 | // 0 if no state image display (wxTREE_ITEMSTATE_NONE = -1) | |
3881 | tvItem.state = INDEXTOSTATEIMAGEMASK(state + 1); | |
3882 | ||
3883 | DoSetItem(&tvItem); | |
8a000b6b VZ |
3884 | } |
3885 | ||
1e6feb95 | 3886 | #endif // wxUSE_TREECTRL |