]>
Commit | Line | Data |
---|---|---|
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 | |
08b7c251 | 9 | // Licence: wxWindows licence |
b823f5a1 | 10 | ///////////////////////////////////////////////////////////////////////////// |
2bda0e17 | 11 | |
08b7c251 VZ |
12 | // ============================================================================ |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
1e6feb95 | 19 | |
2bda0e17 | 20 | #ifdef __GNUG__ |
08b7c251 | 21 | #pragma implementation "treectrl.h" |
2bda0e17 KB |
22 | #endif |
23 | ||
24 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #ifdef __BORLANDC__ | |
08b7c251 | 28 | #pragma hdrstop |
2bda0e17 KB |
29 | #endif |
30 | ||
1e6feb95 VZ |
31 | #if wxUSE_TREECTRL |
32 | ||
0c589ad0 BM |
33 | #include "wx/msw/private.h" |
34 | ||
1e6feb95 VZ |
35 | // Set this to 1 to be _absolutely_ sure that repainting will work for all |
36 | // comctl32.dll versions | |
f6bcfd97 BP |
37 | #define wxUSE_COMCTL32_SAFELY 0 |
38 | ||
0c589ad0 BM |
39 | // Mingw32 is a bit mental even though this is done in winundef |
40 | #ifdef GetFirstChild | |
d220ae32 | 41 | #undef GetFirstChild |
0c589ad0 | 42 | #endif |
d220ae32 | 43 | |
0c589ad0 | 44 | #ifdef GetNextSibling |
d220ae32 | 45 | #undef GetNextSibling |
2bda0e17 KB |
46 | #endif |
47 | ||
2bda0e17 KB |
48 | #if defined(__WIN95__) |
49 | ||
c6f4913a | 50 | #include "wx/app.h" |
08b7c251 | 51 | #include "wx/log.h" |
ce3ed50d | 52 | #include "wx/dynarray.h" |
08b7c251 | 53 | #include "wx/imaglist.h" |
77cff606 | 54 | #include "wx/settings.h" |
484523cf | 55 | #include "wx/msw/treectrl.h" |
23f681ec VZ |
56 | #include "wx/msw/dragimag.h" |
57 | ||
c42404a5 VZ |
58 | #ifdef __GNUWIN32_OLD__ |
59 | #include "wx/msw/gnuwin32/extra.h" | |
65fd5cb0 | 60 | #endif |
9a05fd8d | 61 | |
b39dbf34 | 62 | #if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)) |
08b7c251 | 63 | #include <commctrl.h> |
2bda0e17 KB |
64 | #endif |
65 | ||
66 | // Bug in headers, sometimes | |
67 | #ifndef TVIS_FOCUSED | |
08b7c251 | 68 | #define TVIS_FOCUSED 0x0001 |
2bda0e17 KB |
69 | #endif |
70 | ||
bb448552 VZ |
71 | #ifndef TV_FIRST |
72 | #define TV_FIRST 0x1100 | |
73 | #endif | |
74 | ||
b94ae1ea VZ |
75 | #ifndef TVS_CHECKBOXES |
76 | #define TVS_CHECKBOXES 0x0100 | |
77 | #endif | |
78 | ||
5ece068d VZ |
79 | #ifndef TVS_FULLROWSELECT |
80 | #define TVS_FULLROWSELECT 0x1000 | |
81 | #endif | |
82 | ||
bb448552 VZ |
83 | // old headers might miss these messages (comctl32.dll 4.71+ only) |
84 | #ifndef TVM_SETBKCOLOR | |
85 | #define TVM_SETBKCOLOR (TV_FIRST + 29) | |
86 | #define TVM_SETTEXTCOLOR (TV_FIRST + 30) | |
87 | #endif | |
88 | ||
3f7bc32b VZ |
89 | // a macro to hide the ugliness of nested casts |
90 | #define HITEM(item) (HTREEITEM)(WXHTREEITEM)(item) | |
91 | ||
92 | // the native control doesn't support multiple selections under MSW and we | |
93 | // have 2 ways to emulate them: either using TVS_CHECKBOXES style and let | |
94 | // checkboxes be the selection status (checked == selected) or by really | |
95 | // emulating everything, i.e. intercepting mouse and key events &c. The first | |
96 | // approach is much easier but doesn't work with comctl32.dll < 4.71 and also | |
97 | // looks quite ugly. | |
98 | #define wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE 0 | |
99 | ||
3f7bc32b VZ |
100 | // ---------------------------------------------------------------------------- |
101 | // private functions | |
102 | // ---------------------------------------------------------------------------- | |
103 | ||
104 | // wrapper for TreeView_HitTest | |
105 | static HTREEITEM GetItemFromPoint(HWND hwndTV, int x, int y) | |
106 | { | |
107 | TV_HITTESTINFO tvht; | |
108 | tvht.pt.x = x; | |
109 | tvht.pt.y = y; | |
110 | ||
3f7bc32b VZ |
111 | return (HTREEITEM)TreeView_HitTest(hwndTV, &tvht); |
112 | } | |
113 | ||
114 | #if !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE | |
115 | ||
116 | // wrappers for TreeView_GetItem/TreeView_SetItem | |
117 | static bool IsItemSelected(HWND hwndTV, HTREEITEM hItem) | |
118 | { | |
a9c1265f | 119 | |
3f7bc32b VZ |
120 | TV_ITEM tvi; |
121 | tvi.mask = TVIF_STATE | TVIF_HANDLE; | |
122 | tvi.stateMask = TVIS_SELECTED; | |
123 | tvi.hItem = hItem; | |
124 | ||
125 | if ( !TreeView_GetItem(hwndTV, &tvi) ) | |
126 | { | |
f6bcfd97 | 127 | wxLogLastError(wxT("TreeView_GetItem")); |
3f7bc32b VZ |
128 | } |
129 | ||
130 | return (tvi.state & TVIS_SELECTED) != 0; | |
131 | } | |
132 | ||
04cd30de | 133 | static void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = true) |
3f7bc32b VZ |
134 | { |
135 | TV_ITEM tvi; | |
136 | tvi.mask = TVIF_STATE | TVIF_HANDLE; | |
137 | tvi.stateMask = TVIS_SELECTED; | |
138 | tvi.state = select ? TVIS_SELECTED : 0; | |
139 | tvi.hItem = hItem; | |
140 | ||
141 | if ( TreeView_SetItem(hwndTV, &tvi) == -1 ) | |
142 | { | |
f6bcfd97 | 143 | wxLogLastError(wxT("TreeView_SetItem")); |
3f7bc32b VZ |
144 | } |
145 | } | |
146 | ||
147 | static inline void UnselectItem(HWND hwndTV, HTREEITEM htItem) | |
148 | { | |
04cd30de | 149 | SelectItem(hwndTV, htItem, false); |
3f7bc32b VZ |
150 | } |
151 | ||
152 | static inline void ToggleItemSelection(HWND hwndTV, HTREEITEM htItem) | |
153 | { | |
154 | SelectItem(hwndTV, htItem, !IsItemSelected(hwndTV, htItem)); | |
155 | } | |
156 | ||
157 | // helper function which selects all items in a range and, optionally, | |
158 | // unselects all others | |
159 | static void SelectRange(HWND hwndTV, | |
160 | HTREEITEM htFirst, | |
161 | HTREEITEM htLast, | |
04cd30de | 162 | bool unselectOthers = true) |
3f7bc32b VZ |
163 | { |
164 | // find the first (or last) item and select it | |
04cd30de | 165 | bool cont = true; |
2c8e4738 | 166 | HTREEITEM htItem = (HTREEITEM)TreeView_GetRoot(hwndTV); |
3f7bc32b VZ |
167 | while ( htItem && cont ) |
168 | { | |
169 | if ( (htItem == htFirst) || (htItem == htLast) ) | |
170 | { | |
171 | if ( !IsItemSelected(hwndTV, htItem) ) | |
172 | { | |
173 | SelectItem(hwndTV, htItem); | |
174 | } | |
175 | ||
04cd30de | 176 | cont = false; |
3f7bc32b VZ |
177 | } |
178 | else | |
179 | { | |
180 | if ( unselectOthers && IsItemSelected(hwndTV, htItem) ) | |
181 | { | |
182 | UnselectItem(hwndTV, htItem); | |
183 | } | |
184 | } | |
185 | ||
2c8e4738 | 186 | htItem = (HTREEITEM)TreeView_GetNextVisible(hwndTV, htItem); |
3f7bc32b VZ |
187 | } |
188 | ||
189 | // select the items in range | |
190 | cont = htFirst != htLast; | |
191 | while ( htItem && cont ) | |
192 | { | |
193 | if ( !IsItemSelected(hwndTV, htItem) ) | |
194 | { | |
195 | SelectItem(hwndTV, htItem); | |
196 | } | |
197 | ||
198 | cont = (htItem != htFirst) && (htItem != htLast); | |
199 | ||
2c8e4738 | 200 | htItem = (HTREEITEM)TreeView_GetNextVisible(hwndTV, htItem); |
3f7bc32b VZ |
201 | } |
202 | ||
203 | // unselect the rest | |
204 | if ( unselectOthers ) | |
205 | { | |
206 | while ( htItem ) | |
207 | { | |
208 | if ( IsItemSelected(hwndTV, htItem) ) | |
209 | { | |
210 | UnselectItem(hwndTV, htItem); | |
211 | } | |
212 | ||
2c8e4738 | 213 | htItem = (HTREEITEM)TreeView_GetNextVisible(hwndTV, htItem); |
3f7bc32b VZ |
214 | } |
215 | } | |
216 | ||
217 | // seems to be necessary - otherwise the just selected items don't always | |
218 | // appear as selected | |
219 | UpdateWindow(hwndTV); | |
220 | } | |
221 | ||
222 | // helper function which tricks the standard control into changing the focused | |
223 | // item without changing anything else (if someone knows why Microsoft doesn't | |
224 | // allow to do it by just setting TVIS_FOCUSED flag, please tell me!) | |
225 | static void SetFocus(HWND hwndTV, HTREEITEM htItem) | |
226 | { | |
227 | // the current focus | |
2c8e4738 | 228 | HTREEITEM htFocus = (HTREEITEM)TreeView_GetSelection(hwndTV); |
3f7bc32b VZ |
229 | |
230 | if ( htItem ) | |
231 | { | |
232 | // set the focus | |
233 | if ( htItem != htFocus ) | |
234 | { | |
235 | // remember the selection state of the item | |
236 | bool wasSelected = IsItemSelected(hwndTV, htItem); | |
237 | ||
238 | if ( htFocus && IsItemSelected(hwndTV, htFocus) ) | |
239 | { | |
240 | // prevent the tree from unselecting the old focus which it | |
241 | // would do by default (TreeView_SelectItem unselects the | |
242 | // focused item) | |
243 | TreeView_SelectItem(hwndTV, 0); | |
244 | SelectItem(hwndTV, htFocus); | |
245 | } | |
246 | ||
247 | TreeView_SelectItem(hwndTV, htItem); | |
248 | ||
249 | if ( !wasSelected ) | |
250 | { | |
251 | // need to clear the selection which TreeView_SelectItem() gave | |
252 | // us | |
253 | UnselectItem(hwndTV, htItem); | |
254 | } | |
255 | //else: was selected, still selected - ok | |
256 | } | |
257 | //else: nothing to do, focus already there | |
258 | } | |
259 | else | |
260 | { | |
261 | if ( htFocus ) | |
262 | { | |
263 | bool wasFocusSelected = IsItemSelected(hwndTV, htFocus); | |
264 | ||
265 | // just clear the focus | |
266 | TreeView_SelectItem(hwndTV, 0); | |
267 | ||
268 | if ( wasFocusSelected ) | |
269 | { | |
270 | // restore the selection state | |
271 | SelectItem(hwndTV, htFocus); | |
272 | } | |
273 | } | |
274 | //else: nothing to do, no focus already | |
275 | } | |
276 | } | |
277 | ||
278 | #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE | |
279 | ||
08b7c251 VZ |
280 | // ---------------------------------------------------------------------------- |
281 | // private classes | |
282 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 283 | |
08b7c251 | 284 | // a convenient wrapper around TV_ITEM struct which adds a ctor |
f3ef286f | 285 | #ifdef __VISUALC__ |
3f7bc32b | 286 | #pragma warning( disable : 4097 ) // inheriting from typedef |
f3ef286f JS |
287 | #endif |
288 | ||
08b7c251 VZ |
289 | struct wxTreeViewItem : public TV_ITEM |
290 | { | |
9dfbf520 VZ |
291 | wxTreeViewItem(const wxTreeItemId& item, // the item handle |
292 | UINT mask_, // fields which are valid | |
293 | UINT stateMask_ = 0) // for TVIF_STATE only | |
08b7c251 | 294 | { |
a9c1265f VZ |
295 | wxZeroMemory(*this); |
296 | ||
9dfbf520 VZ |
297 | // hItem member is always valid |
298 | mask = mask_ | TVIF_HANDLE; | |
08b7c251 | 299 | stateMask = stateMask_; |
3f7bc32b | 300 | hItem = HITEM(item); |
08b7c251 VZ |
301 | } |
302 | }; | |
f3ef286f | 303 | |
a9c1265f VZ |
304 | // wxVirutalNode is used in place of a single root when 'hidden' root is |
305 | // specified. | |
efa38350 | 306 | class wxVirtualNode : public wxTreeViewItem |
a9c1265f VZ |
307 | { |
308 | public: | |
309 | wxVirtualNode(wxTreeItemData *data) | |
efa38350 | 310 | : wxTreeViewItem(TVI_ROOT, 0) |
a9c1265f VZ |
311 | { |
312 | m_data = data; | |
a9c1265f VZ |
313 | } |
314 | ||
315 | ~wxVirtualNode() | |
316 | { | |
317 | delete m_data; | |
a9c1265f VZ |
318 | } |
319 | ||
320 | wxTreeItemData *GetData() const { return m_data; } | |
321 | void SetData(wxTreeItemData *data) { delete m_data; m_data = data; } | |
322 | ||
323 | private: | |
a9c1265f | 324 | wxTreeItemData *m_data; |
22f3361e VZ |
325 | |
326 | DECLARE_NO_COPY_CLASS(wxVirtualNode) | |
a9c1265f VZ |
327 | }; |
328 | ||
f3ef286f | 329 | #ifdef __VISUALC__ |
197dd9af | 330 | #pragma warning( default : 4097 ) |
f3ef286f | 331 | #endif |
2bda0e17 | 332 | |
a9c1265f VZ |
333 | // a macro to get the virtual root, returns NULL if none |
334 | #define GET_VIRTUAL_ROOT() ((wxVirtualNode *)m_pVirtualRoot) | |
335 | ||
04cd30de | 336 | // returns true if the item is the virtual root |
a9c1265f VZ |
337 | #define IS_VIRTUAL_ROOT(item) (HITEM(item) == TVI_ROOT) |
338 | ||
9dfbf520 | 339 | // a class which encapsulates the tree traversal logic: it vists all (unless |
04cd30de | 340 | // OnVisit() returns false) items under the given one |
9dfbf520 VZ |
341 | class wxTreeTraversal |
342 | { | |
343 | public: | |
344 | wxTreeTraversal(const wxTreeCtrl *tree) | |
345 | { | |
346 | m_tree = tree; | |
347 | } | |
348 | ||
349 | // do traverse the tree: visit all items (recursively by default) under the | |
04cd30de RL |
350 | // given one; return true if all items were traversed or false if the |
351 | // traversal was aborted because OnVisit returned false | |
352 | bool DoTraverse(const wxTreeItemId& root, bool recursively = true); | |
9dfbf520 VZ |
353 | |
354 | // override this function to do whatever is needed for each item, return | |
04cd30de | 355 | // false to stop traversing |
9dfbf520 VZ |
356 | virtual bool OnVisit(const wxTreeItemId& item) = 0; |
357 | ||
358 | protected: | |
359 | const wxTreeCtrl *GetTree() const { return m_tree; } | |
360 | ||
361 | private: | |
362 | bool Traverse(const wxTreeItemId& root, bool recursively); | |
363 | ||
364 | const wxTreeCtrl *m_tree; | |
22f3361e VZ |
365 | |
366 | DECLARE_NO_COPY_CLASS(wxTreeTraversal) | |
9dfbf520 VZ |
367 | }; |
368 | ||
74b31181 VZ |
369 | // internal class for getting the selected items |
370 | class TraverseSelections : public wxTreeTraversal | |
371 | { | |
372 | public: | |
373 | TraverseSelections(const wxTreeCtrl *tree, | |
374 | wxArrayTreeItemIds& selections) | |
375 | : wxTreeTraversal(tree), m_selections(selections) | |
376 | { | |
377 | m_selections.Empty(); | |
378 | ||
379 | DoTraverse(tree->GetRootItem()); | |
380 | } | |
381 | ||
382 | virtual bool OnVisit(const wxTreeItemId& item) | |
383 | { | |
a9c1265f VZ |
384 | // can't visit a virtual node. |
385 | if ( (GetTree()->GetRootItem() == item) && (GetTree()->GetWindowStyle() & wxTR_HIDE_ROOT)) | |
386 | { | |
04cd30de | 387 | return true; |
a9c1265f VZ |
388 | } |
389 | ||
3f7bc32b | 390 | #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
74b31181 | 391 | if ( GetTree()->IsItemChecked(item) ) |
3f7bc32b VZ |
392 | #else |
393 | if ( ::IsItemSelected(GetHwndOf(GetTree()), HITEM(item)) ) | |
394 | #endif | |
74b31181 VZ |
395 | { |
396 | m_selections.Add(item); | |
397 | } | |
398 | ||
04cd30de | 399 | return true; |
74b31181 VZ |
400 | } |
401 | ||
e47c4d48 VZ |
402 | size_t GetCount() const { return m_selections.GetCount(); } |
403 | ||
74b31181 VZ |
404 | private: |
405 | wxArrayTreeItemIds& m_selections; | |
406 | }; | |
407 | ||
408 | // internal class for counting tree items | |
409 | class TraverseCounter : public wxTreeTraversal | |
410 | { | |
411 | public: | |
412 | TraverseCounter(const wxTreeCtrl *tree, | |
413 | const wxTreeItemId& root, | |
414 | bool recursively) | |
415 | : wxTreeTraversal(tree) | |
416 | { | |
417 | m_count = 0; | |
418 | ||
419 | DoTraverse(root, recursively); | |
420 | } | |
421 | ||
33ac7e6f | 422 | virtual bool OnVisit(const wxTreeItemId& WXUNUSED(item)) |
74b31181 VZ |
423 | { |
424 | m_count++; | |
425 | ||
04cd30de | 426 | return true; |
74b31181 VZ |
427 | } |
428 | ||
429 | size_t GetCount() const { return m_count; } | |
430 | ||
431 | private: | |
432 | size_t m_count; | |
433 | }; | |
434 | ||
435 | // ---------------------------------------------------------------------------- | |
436 | // This class is needed for support of different images: the Win32 common | |
437 | // control natively supports only 2 images (the normal one and another for the | |
438 | // selected state). We wish to provide support for 2 more of them for folder | |
439 | // items (i.e. those which have children): for expanded state and for expanded | |
440 | // selected state. For this we use this structure to store the additional items | |
441 | // images. | |
442 | // | |
443 | // There is only one problem with this: when we retrieve the item's data, we | |
444 | // don't know whether we get a pointer to wxTreeItemData or | |
502a2b18 VZ |
445 | // wxTreeItemIndirectData. So we always set the item id to an invalid value |
446 | // in this class and the code using the client data checks for it and retrieves | |
447 | // the real client data in this case. | |
74b31181 | 448 | // ---------------------------------------------------------------------------- |
696e1ea0 | 449 | |
502a2b18 | 450 | class wxTreeItemIndirectData : public wxTreeItemData |
74b31181 VZ |
451 | { |
452 | public: | |
453 | // ctor associates this data with the item and the real item data becomes | |
454 | // available through our GetData() method | |
455 | wxTreeItemIndirectData(wxTreeCtrl *tree, const wxTreeItemId& item) | |
456 | { | |
457 | for ( size_t n = 0; n < WXSIZEOF(m_images); n++ ) | |
458 | { | |
459 | m_images[n] = -1; | |
460 | } | |
461 | ||
462 | // save the old data | |
463 | m_data = tree->GetItemData(item); | |
464 | ||
465 | // and set ourselves as the new one | |
466 | tree->SetIndirectItemData(item, this); | |
cf48ccc0 VZ |
467 | |
468 | // we must have the invalid value for the item | |
469 | m_pItem = 0l; | |
74b31181 VZ |
470 | } |
471 | ||
472 | // dtor deletes the associated data as well | |
502a2b18 | 473 | virtual ~wxTreeItemIndirectData() { delete m_data; } |
74b31181 VZ |
474 | |
475 | // accessors | |
476 | // get the real data associated with the item | |
477 | wxTreeItemData *GetData() const { return m_data; } | |
478 | // change it | |
479 | void SetData(wxTreeItemData *data) { m_data = data; } | |
480 | ||
481 | // do we have such image? | |
482 | bool HasImage(wxTreeItemIcon which) const { return m_images[which] != -1; } | |
483 | // get image | |
484 | int GetImage(wxTreeItemIcon which) const { return m_images[which]; } | |
485 | // change it | |
486 | void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; } | |
487 | ||
488 | private: | |
489 | // all the images associated with the item | |
490 | int m_images[wxTreeItemIcon_Max]; | |
491 | ||
502a2b18 | 492 | // the real client data |
74b31181 | 493 | wxTreeItemData *m_data; |
22f3361e VZ |
494 | |
495 | DECLARE_NO_COPY_CLASS(wxTreeItemIndirectData) | |
74b31181 VZ |
496 | }; |
497 | ||
23f681ec | 498 | // ---------------------------------------------------------------------------- |
3f7bc32b | 499 | // wxWin macros |
08b7c251 VZ |
500 | // ---------------------------------------------------------------------------- |
501 | ||
23f681ec | 502 | IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl) |
2bda0e17 | 503 | |
08b7c251 | 504 | // ---------------------------------------------------------------------------- |
deb1de30 | 505 | // constants |
08b7c251 VZ |
506 | // ---------------------------------------------------------------------------- |
507 | ||
deb1de30 VZ |
508 | // indices in gs_expandEvents table below |
509 | enum | |
510 | { | |
511 | IDX_COLLAPSE, | |
512 | IDX_EXPAND, | |
513 | IDX_WHAT_MAX | |
514 | }; | |
515 | ||
516 | enum | |
517 | { | |
518 | IDX_DONE, | |
519 | IDX_DOING, | |
520 | IDX_HOW_MAX | |
521 | }; | |
522 | ||
523 | // handy table for sending events - it has to be initialized during run-time | |
524 | // now so can't be const any more | |
525 | static /* const */ wxEventType gs_expandEvents[IDX_WHAT_MAX][IDX_HOW_MAX]; | |
526 | ||
527 | /* | |
528 | but logically it's a const table with the following entries: | |
529 | = | |
2bda0e17 | 530 | { |
08b7c251 VZ |
531 | { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxEVT_COMMAND_TREE_ITEM_COLLAPSING }, |
532 | { wxEVT_COMMAND_TREE_ITEM_EXPANDED, wxEVT_COMMAND_TREE_ITEM_EXPANDING } | |
533 | }; | |
deb1de30 | 534 | */ |
08b7c251 VZ |
535 | |
536 | // ============================================================================ | |
537 | // implementation | |
538 | // ============================================================================ | |
539 | ||
9dfbf520 VZ |
540 | // ---------------------------------------------------------------------------- |
541 | // tree traversal | |
542 | // ---------------------------------------------------------------------------- | |
543 | ||
544 | bool wxTreeTraversal::DoTraverse(const wxTreeItemId& root, bool recursively) | |
545 | { | |
546 | if ( !OnVisit(root) ) | |
04cd30de | 547 | return false; |
9dfbf520 VZ |
548 | |
549 | return Traverse(root, recursively); | |
550 | } | |
551 | ||
552 | bool wxTreeTraversal::Traverse(const wxTreeItemId& root, bool recursively) | |
553 | { | |
554 | long cookie; | |
555 | wxTreeItemId child = m_tree->GetFirstChild(root, cookie); | |
556 | while ( child.IsOk() ) | |
557 | { | |
558 | // depth first traversal | |
04cd30de RL |
559 | if ( recursively && !Traverse(child, true) ) |
560 | return false; | |
9dfbf520 VZ |
561 | |
562 | if ( !OnVisit(child) ) | |
04cd30de | 563 | return false; |
9dfbf520 VZ |
564 | |
565 | child = m_tree->GetNextChild(root, cookie); | |
566 | } | |
567 | ||
04cd30de | 568 | return true; |
9dfbf520 VZ |
569 | } |
570 | ||
08b7c251 VZ |
571 | // ---------------------------------------------------------------------------- |
572 | // construction and destruction | |
573 | // ---------------------------------------------------------------------------- | |
574 | ||
575 | void wxTreeCtrl::Init() | |
576 | { | |
577 | m_imageListNormal = NULL; | |
578 | m_imageListState = NULL; | |
04cd30de | 579 | m_ownsImageListNormal = m_ownsImageListState = false; |
08b7c251 | 580 | m_textCtrl = NULL; |
04cd30de | 581 | m_hasAnyAttr = false; |
23f681ec | 582 | m_dragImage = NULL; |
3f7bc32b | 583 | m_htSelStart = 0; |
a9c1265f | 584 | m_pVirtualRoot = NULL; |
9ab5ef13 | 585 | |
deb1de30 VZ |
586 | // initialize the global array of events now as it can't be done statically |
587 | // with the wxEVT_XXX values being allocated during run-time only | |
588 | gs_expandEvents[IDX_COLLAPSE][IDX_DONE] = wxEVT_COMMAND_TREE_ITEM_COLLAPSED; | |
589 | gs_expandEvents[IDX_COLLAPSE][IDX_DOING] = wxEVT_COMMAND_TREE_ITEM_COLLAPSING; | |
590 | gs_expandEvents[IDX_EXPAND][IDX_DONE] = wxEVT_COMMAND_TREE_ITEM_EXPANDED; | |
591 | gs_expandEvents[IDX_EXPAND][IDX_DOING] = wxEVT_COMMAND_TREE_ITEM_EXPANDING; | |
2bda0e17 KB |
592 | } |
593 | ||
9dfbf520 VZ |
594 | bool wxTreeCtrl::Create(wxWindow *parent, |
595 | wxWindowID id, | |
596 | const wxPoint& pos, | |
597 | const wxSize& size, | |
598 | long style, | |
599 | const wxValidator& validator, | |
08b7c251 | 600 | const wxString& name) |
2bda0e17 | 601 | { |
08b7c251 | 602 | Init(); |
2bda0e17 | 603 | |
7699361c JS |
604 | if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT ) |
605 | style |= wxBORDER_SUNKEN; | |
606 | ||
9dfbf520 | 607 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) |
04cd30de | 608 | return false; |
2bda0e17 | 609 | |
7699361c JS |
610 | DWORD exStyle = 0; |
611 | DWORD wstyle = MSWGetStyle(m_windowStyle, & exStyle); | |
612 | wstyle |= WS_TABSTOP | TVS_SHOWSELALWAYS; | |
2bda0e17 | 613 | |
63da7df7 JS |
614 | if ((m_windowStyle & wxTR_NO_LINES) == 0) |
615 | wstyle |= TVS_HASLINES; | |
08b7c251 VZ |
616 | if ( m_windowStyle & wxTR_HAS_BUTTONS ) |
617 | wstyle |= TVS_HASBUTTONS; | |
2bda0e17 | 618 | |
08b7c251 VZ |
619 | if ( m_windowStyle & wxTR_EDIT_LABELS ) |
620 | wstyle |= TVS_EDITLABELS; | |
2bda0e17 | 621 | |
08b7c251 VZ |
622 | if ( m_windowStyle & wxTR_LINES_AT_ROOT ) |
623 | wstyle |= TVS_LINESATROOT; | |
deb1de30 | 624 | |
c6f4913a | 625 | if ( m_windowStyle & wxTR_FULL_ROW_HIGHLIGHT ) |
deb1de30 | 626 | { |
c6f4913a VS |
627 | if ( wxTheApp->GetComCtl32Version() >= 471 ) |
628 | wstyle |= TVS_FULLROWSELECT; | |
629 | } | |
630 | ||
3f7bc32b VZ |
631 | // using TVS_CHECKBOXES for emulation of a multiselection tree control |
632 | // doesn't work without the new enough headers | |
633 | #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE && \ | |
634 | !defined( __GNUWIN32_OLD__ ) && \ | |
c42404a5 VZ |
635 | !defined( __BORLANDC__ ) && \ |
636 | !defined( __WATCOMC__ ) && \ | |
637 | (!defined(__VISUALC__) || (__VISUALC__ > 1010)) | |
a20a10fe | 638 | |
9dfbf520 VZ |
639 | // we emulate the multiple selection tree controls by using checkboxes: set |
640 | // up the image list we need for this if we do have multiple selections | |
641 | if ( m_windowStyle & wxTR_MULTIPLE ) | |
10fcf31a | 642 | wstyle |= TVS_CHECKBOXES; |
3f7bc32b | 643 | #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
9dfbf520 | 644 | |
08b7c251 | 645 | // Create the tree control. |
9dfbf520 | 646 | if ( !MSWCreateControl(WC_TREEVIEW, wstyle) ) |
04cd30de | 647 | return false; |
9dfbf520 | 648 | |
f6bcfd97 | 649 | #if wxUSE_COMCTL32_SAFELY |
a756f210 | 650 | wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); |
f6bcfd97 BP |
651 | wxWindow::SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); |
652 | #elif 1 | |
a756f210 | 653 | SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); |
f6bcfd97 | 654 | SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); |
fbdcff4a JS |
655 | #else |
656 | // This works around a bug in the Windows tree control whereby for some versions | |
657 | // of comctrl32, setting any colour actually draws the background in black. | |
658 | // This will initialise the background to the system colour. | |
f6bcfd97 BP |
659 | // THIS FIX NOW REVERTED since it caused problems on _other_ systems. |
660 | // Assume the user has an updated comctl32.dll. | |
fbdcff4a | 661 | ::SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0,-1); |
a756f210 | 662 | wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); |
f6bcfd97 | 663 | SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); |
fbdcff4a JS |
664 | #endif |
665 | ||
5aeeab14 | 666 | |
9dfbf520 VZ |
667 | // VZ: this is some experimental code which may be used to get the |
668 | // TVS_CHECKBOXES style functionality for comctl32.dll < 4.71. | |
669 | // AFAIK, the standard DLL does about the same thing anyhow. | |
670 | #if 0 | |
671 | if ( m_windowStyle & wxTR_MULTIPLE ) | |
672 | { | |
673 | wxBitmap bmp; | |
674 | ||
675 | // create the DC compatible with the current screen | |
676 | HDC hdcMem = CreateCompatibleDC(NULL); | |
677 | ||
678 | // create a mono bitmap of the standard size | |
679 | int x = GetSystemMetrics(SM_CXMENUCHECK); | |
680 | int y = GetSystemMetrics(SM_CYMENUCHECK); | |
04cd30de | 681 | wxImageList imagelistCheckboxes(x, y, false, 2); |
9dfbf520 VZ |
682 | HBITMAP hbmpCheck = CreateBitmap(x, y, // bitmap size |
683 | 1, // # of color planes | |
684 | 1, // # bits needed for one pixel | |
685 | 0); // array containing colour data | |
686 | SelectObject(hdcMem, hbmpCheck); | |
687 | ||
688 | // then draw a check mark into it | |
689 | RECT rect = { 0, 0, x, y }; | |
690 | if ( !::DrawFrameControl(hdcMem, &rect, | |
691 | DFC_BUTTON, | |
692 | DFCS_BUTTONCHECK | DFCS_CHECKED) ) | |
693 | { | |
223d09f6 | 694 | wxLogLastError(wxT("DrawFrameControl(check)")); |
9dfbf520 VZ |
695 | } |
696 | ||
697 | bmp.SetHBITMAP((WXHBITMAP)hbmpCheck); | |
698 | imagelistCheckboxes.Add(bmp); | |
699 | ||
700 | if ( !::DrawFrameControl(hdcMem, &rect, | |
701 | DFC_BUTTON, | |
702 | DFCS_BUTTONCHECK) ) | |
703 | { | |
223d09f6 | 704 | wxLogLastError(wxT("DrawFrameControl(uncheck)")); |
9dfbf520 VZ |
705 | } |
706 | ||
707 | bmp.SetHBITMAP((WXHBITMAP)hbmpCheck); | |
708 | imagelistCheckboxes.Add(bmp); | |
709 | ||
710 | // clean up | |
711 | ::DeleteDC(hdcMem); | |
712 | ||
713 | // set the imagelist | |
714 | SetStateImageList(&imagelistCheckboxes); | |
715 | } | |
716 | #endif // 0 | |
717 | ||
718 | SetSize(pos.x, pos.y, size.x, size.y); | |
2bda0e17 | 719 | |
04cd30de | 720 | return true; |
2bda0e17 KB |
721 | } |
722 | ||
08b7c251 | 723 | wxTreeCtrl::~wxTreeCtrl() |
2bda0e17 | 724 | { |
696e1ea0 VZ |
725 | // delete any attributes |
726 | if ( m_hasAnyAttr ) | |
727 | { | |
222ed1d6 MB |
728 | for ( wxHashTable::compatibility_iterator node = m_attrs.Next(); |
729 | node; node = m_attrs.Next() ) | |
696e1ea0 | 730 | { |
04cd30de | 731 | delete (wxTreeItemAttr *)node->GetData(); |
696e1ea0 VZ |
732 | } |
733 | ||
734 | // prevent TVN_DELETEITEM handler from deleting the attributes again! | |
04cd30de | 735 | m_hasAnyAttr = false; |
696e1ea0 VZ |
736 | } |
737 | ||
08b7c251 | 738 | DeleteTextCtrl(); |
2bda0e17 | 739 | |
08b7c251 | 740 | // delete user data to prevent memory leaks |
a9c1265f | 741 | // also deletes hidden root node storage. |
08b7c251 | 742 | DeleteAllItems(); |
33ac7e6f | 743 | |
0377efa2 VS |
744 | if (m_ownsImageListNormal) delete m_imageListNormal; |
745 | if (m_ownsImageListState) delete m_imageListState; | |
2bda0e17 KB |
746 | } |
747 | ||
08b7c251 VZ |
748 | // ---------------------------------------------------------------------------- |
749 | // accessors | |
750 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 751 | |
08b7c251 | 752 | // simple wrappers which add error checking in debug mode |
2bda0e17 | 753 | |
08b7c251 | 754 | bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const |
2bda0e17 | 755 | { |
04cd30de | 756 | wxCHECK_MSG( tvItem->hItem != TVI_ROOT, false, |
a9c1265f VZ |
757 | _T("can't retrieve virtual root item") ); |
758 | ||
d220ae32 | 759 | if ( !TreeView_GetItem(GetHwnd(), tvItem) ) |
2bda0e17 | 760 | { |
f6bcfd97 | 761 | wxLogLastError(wxT("TreeView_GetItem")); |
08b7c251 | 762 | |
04cd30de | 763 | return false; |
08b7c251 VZ |
764 | } |
765 | ||
04cd30de | 766 | return true; |
2bda0e17 KB |
767 | } |
768 | ||
08b7c251 | 769 | void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem) |
2bda0e17 | 770 | { |
d220ae32 | 771 | if ( TreeView_SetItem(GetHwnd(), tvItem) == -1 ) |
2bda0e17 | 772 | { |
f6bcfd97 | 773 | wxLogLastError(wxT("TreeView_SetItem")); |
08b7c251 | 774 | } |
2bda0e17 KB |
775 | } |
776 | ||
08b7c251 | 777 | size_t wxTreeCtrl::GetCount() const |
2bda0e17 | 778 | { |
d220ae32 | 779 | return (size_t)TreeView_GetCount(GetHwnd()); |
2bda0e17 KB |
780 | } |
781 | ||
08b7c251 | 782 | unsigned int wxTreeCtrl::GetIndent() const |
2bda0e17 | 783 | { |
d220ae32 | 784 | return TreeView_GetIndent(GetHwnd()); |
2bda0e17 KB |
785 | } |
786 | ||
08b7c251 | 787 | void wxTreeCtrl::SetIndent(unsigned int indent) |
2bda0e17 | 788 | { |
d220ae32 | 789 | TreeView_SetIndent(GetHwnd(), indent); |
2bda0e17 KB |
790 | } |
791 | ||
08b7c251 | 792 | wxImageList *wxTreeCtrl::GetImageList() const |
2bda0e17 | 793 | { |
08b7c251 | 794 | return m_imageListNormal; |
2bda0e17 KB |
795 | } |
796 | ||
08b7c251 | 797 | wxImageList *wxTreeCtrl::GetStateImageList() const |
2bda0e17 | 798 | { |
8a000b6b | 799 | return m_imageListState; |
2bda0e17 KB |
800 | } |
801 | ||
08b7c251 | 802 | void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which) |
2bda0e17 | 803 | { |
08b7c251 | 804 | // no error return |
d220ae32 | 805 | TreeView_SetImageList(GetHwnd(), |
08b7c251 VZ |
806 | imageList ? imageList->GetHIMAGELIST() : 0, |
807 | which); | |
2bda0e17 KB |
808 | } |
809 | ||
08b7c251 | 810 | void wxTreeCtrl::SetImageList(wxImageList *imageList) |
2bda0e17 | 811 | { |
a9c1265f VZ |
812 | if (m_ownsImageListNormal) |
813 | delete m_imageListNormal; | |
814 | ||
08b7c251 | 815 | SetAnyImageList(m_imageListNormal = imageList, TVSIL_NORMAL); |
04cd30de | 816 | m_ownsImageListNormal = false; |
2bda0e17 KB |
817 | } |
818 | ||
08b7c251 | 819 | void wxTreeCtrl::SetStateImageList(wxImageList *imageList) |
2bda0e17 | 820 | { |
0377efa2 | 821 | if (m_ownsImageListState) delete m_imageListState; |
08b7c251 | 822 | SetAnyImageList(m_imageListState = imageList, TVSIL_STATE); |
04cd30de | 823 | m_ownsImageListState = false; |
0377efa2 VS |
824 | } |
825 | ||
826 | void wxTreeCtrl::AssignImageList(wxImageList *imageList) | |
827 | { | |
828 | SetImageList(imageList); | |
04cd30de | 829 | m_ownsImageListNormal = true; |
0377efa2 VS |
830 | } |
831 | ||
832 | void wxTreeCtrl::AssignStateImageList(wxImageList *imageList) | |
833 | { | |
834 | SetStateImageList(imageList); | |
04cd30de | 835 | m_ownsImageListState = true; |
2bda0e17 KB |
836 | } |
837 | ||
33961d59 RR |
838 | size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, |
839 | bool recursively) const | |
840 | { | |
841 | TraverseCounter counter(this, item, recursively); | |
23fd5130 | 842 | |
73974df1 | 843 | return counter.GetCount() - 1; |
23fd5130 VZ |
844 | } |
845 | ||
bb448552 VZ |
846 | // ---------------------------------------------------------------------------- |
847 | // control colours | |
848 | // ---------------------------------------------------------------------------- | |
849 | ||
850 | bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour) | |
851 | { | |
f6bcfd97 | 852 | #if !wxUSE_COMCTL32_SAFELY |
bb448552 | 853 | if ( !wxWindowBase::SetBackgroundColour(colour) ) |
04cd30de | 854 | return false; |
bb448552 VZ |
855 | |
856 | SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel()); | |
f6bcfd97 | 857 | #endif |
bb448552 | 858 | |
04cd30de | 859 | return true; |
bb448552 VZ |
860 | } |
861 | ||
862 | bool wxTreeCtrl::SetForegroundColour(const wxColour &colour) | |
863 | { | |
f6bcfd97 | 864 | #if !wxUSE_COMCTL32_SAFELY |
bb448552 | 865 | if ( !wxWindowBase::SetForegroundColour(colour) ) |
04cd30de | 866 | return false; |
bb448552 VZ |
867 | |
868 | SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel()); | |
f6bcfd97 | 869 | #endif |
bb448552 | 870 | |
04cd30de | 871 | return true; |
bb448552 VZ |
872 | } |
873 | ||
08b7c251 VZ |
874 | // ---------------------------------------------------------------------------- |
875 | // Item access | |
876 | // ---------------------------------------------------------------------------- | |
877 | ||
878 | wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const | |
2bda0e17 | 879 | { |
837e5743 | 880 | wxChar buf[512]; // the size is arbitrary... |
02ce7b72 | 881 | |
08b7c251 VZ |
882 | wxTreeViewItem tvItem(item, TVIF_TEXT); |
883 | tvItem.pszText = buf; | |
884 | tvItem.cchTextMax = WXSIZEOF(buf); | |
885 | if ( !DoGetItem(&tvItem) ) | |
886 | { | |
887 | // don't return some garbage which was on stack, but an empty string | |
223d09f6 | 888 | buf[0] = wxT('\0'); |
08b7c251 | 889 | } |
2bda0e17 | 890 | |
08b7c251 VZ |
891 | return wxString(buf); |
892 | } | |
2bda0e17 | 893 | |
08b7c251 VZ |
894 | void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) |
895 | { | |
a9c1265f VZ |
896 | if ( IS_VIRTUAL_ROOT(item) ) |
897 | return; | |
898 | ||
08b7c251 | 899 | wxTreeViewItem tvItem(item, TVIF_TEXT); |
837e5743 | 900 | tvItem.pszText = (wxChar *)text.c_str(); // conversion is ok |
08b7c251 | 901 | DoSetItem(&tvItem); |
44fbc477 VZ |
902 | |
903 | // when setting the text of the item being edited, the text control should | |
904 | // be updated to reflect the new text as well, otherwise calling | |
905 | // SetItemText() in the OnBeginLabelEdit() handler doesn't have any effect | |
906 | // | |
907 | // don't use GetEditControl() here because m_textCtrl is not set yet | |
908 | HWND hwndEdit = TreeView_GetEditControl(GetHwnd()); | |
909 | if ( hwndEdit ) | |
910 | { | |
911 | if ( item == GetSelection() ) | |
912 | { | |
913 | ::SetWindowText(hwndEdit, text); | |
914 | } | |
915 | } | |
08b7c251 | 916 | } |
2bda0e17 | 917 | |
74b31181 VZ |
918 | int wxTreeCtrl::DoGetItemImageFromData(const wxTreeItemId& item, |
919 | wxTreeItemIcon which) const | |
920 | { | |
921 | wxTreeViewItem tvItem(item, TVIF_PARAM); | |
922 | if ( !DoGetItem(&tvItem) ) | |
923 | { | |
924 | return -1; | |
925 | } | |
926 | ||
927 | return ((wxTreeItemIndirectData *)tvItem.lParam)->GetImage(which); | |
928 | } | |
929 | ||
930 | void wxTreeCtrl::DoSetItemImageFromData(const wxTreeItemId& item, | |
931 | int image, | |
932 | wxTreeItemIcon which) const | |
933 | { | |
934 | wxTreeViewItem tvItem(item, TVIF_PARAM); | |
935 | if ( !DoGetItem(&tvItem) ) | |
936 | { | |
937 | return; | |
938 | } | |
939 | ||
940 | wxTreeItemIndirectData *data = ((wxTreeItemIndirectData *)tvItem.lParam); | |
941 | ||
942 | data->SetImage(image, which); | |
943 | ||
944 | // make sure that we have selected images as well | |
945 | if ( which == wxTreeItemIcon_Normal && | |
946 | !data->HasImage(wxTreeItemIcon_Selected) ) | |
947 | { | |
948 | data->SetImage(image, wxTreeItemIcon_Selected); | |
949 | } | |
950 | ||
951 | if ( which == wxTreeItemIcon_Expanded && | |
952 | !data->HasImage(wxTreeItemIcon_SelectedExpanded) ) | |
953 | { | |
954 | data->SetImage(image, wxTreeItemIcon_SelectedExpanded); | |
955 | } | |
956 | } | |
957 | ||
9dfbf520 VZ |
958 | void wxTreeCtrl::DoSetItemImages(const wxTreeItemId& item, |
959 | int image, | |
960 | int imageSel) | |
961 | { | |
962 | wxTreeViewItem tvItem(item, TVIF_IMAGE | TVIF_SELECTEDIMAGE); | |
963 | tvItem.iSelectedImage = imageSel; | |
964 | tvItem.iImage = image; | |
965 | DoSetItem(&tvItem); | |
966 | } | |
967 | ||
74b31181 VZ |
968 | int wxTreeCtrl::GetItemImage(const wxTreeItemId& item, |
969 | wxTreeItemIcon which) const | |
08b7c251 | 970 | { |
a9c1265f VZ |
971 | if ( (HITEM(item) == TVI_ROOT) && (m_windowStyle & wxTR_HIDE_ROOT) ) |
972 | { | |
973 | // TODO: Maybe a hidden root can still provide images? | |
974 | return -1; | |
975 | } | |
976 | ||
74b31181 VZ |
977 | if ( HasIndirectData(item) ) |
978 | { | |
979 | return DoGetItemImageFromData(item, which); | |
980 | } | |
2bda0e17 | 981 | |
74b31181 VZ |
982 | UINT mask; |
983 | switch ( which ) | |
984 | { | |
985 | default: | |
223d09f6 | 986 | wxFAIL_MSG( wxT("unknown tree item image type") ); |
2bda0e17 | 987 | |
74b31181 VZ |
988 | case wxTreeItemIcon_Normal: |
989 | mask = TVIF_IMAGE; | |
990 | break; | |
2bda0e17 | 991 | |
74b31181 VZ |
992 | case wxTreeItemIcon_Selected: |
993 | mask = TVIF_SELECTEDIMAGE; | |
994 | break; | |
995 | ||
996 | case wxTreeItemIcon_Expanded: | |
997 | case wxTreeItemIcon_SelectedExpanded: | |
998 | return -1; | |
999 | } | |
1000 | ||
1001 | wxTreeViewItem tvItem(item, mask); | |
08b7c251 | 1002 | DoGetItem(&tvItem); |
2bda0e17 | 1003 | |
74b31181 | 1004 | return mask == TVIF_IMAGE ? tvItem.iImage : tvItem.iSelectedImage; |
2bda0e17 KB |
1005 | } |
1006 | ||
74b31181 VZ |
1007 | void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image, |
1008 | wxTreeItemIcon which) | |
2bda0e17 | 1009 | { |
a9c1265f VZ |
1010 | if ( IS_VIRTUAL_ROOT(item) ) |
1011 | { | |
1012 | // TODO: Maybe a hidden root can still store images? | |
1013 | return; | |
1014 | } | |
1015 | ||
7ab0c3ad VZ |
1016 | int imageNormal, |
1017 | imageSel; | |
1018 | ||
74b31181 VZ |
1019 | switch ( which ) |
1020 | { | |
1021 | default: | |
223d09f6 | 1022 | wxFAIL_MSG( wxT("unknown tree item image type") ); |
7ab0c3ad | 1023 | // fall through |
74b31181 VZ |
1024 | |
1025 | case wxTreeItemIcon_Normal: | |
7ab0c3ad VZ |
1026 | { |
1027 | const int imageNormalOld = GetItemImage(item); | |
1028 | const int imageSelOld = GetItemSelectedImage(item); | |
1029 | ||
1030 | // always set the normal image | |
1031 | imageNormal = image; | |
1032 | ||
1033 | // if the selected and normal images were the same, they should | |
1034 | // be the same after the update, otherwise leave the selected | |
1035 | // image as it was | |
1036 | imageSel = imageNormalOld == imageSelOld ? image : imageSelOld; | |
1037 | } | |
74b31181 VZ |
1038 | break; |
1039 | ||
1040 | case wxTreeItemIcon_Selected: | |
1041 | imageNormal = GetItemImage(item); | |
1042 | imageSel = image; | |
1043 | break; | |
1044 | ||
1045 | case wxTreeItemIcon_Expanded: | |
1046 | case wxTreeItemIcon_SelectedExpanded: | |
1047 | if ( !HasIndirectData(item) ) | |
1048 | { | |
1049 | // we need to get the old images first, because after we create | |
1050 | // the wxTreeItemIndirectData GetItemXXXImage() will use it to | |
1051 | // get the images | |
1052 | imageNormal = GetItemImage(item); | |
1053 | imageSel = GetItemSelectedImage(item); | |
1054 | ||
1055 | // if it doesn't have it yet, add it | |
1056 | wxTreeItemIndirectData *data = new | |
1057 | wxTreeItemIndirectData(this, item); | |
1058 | ||
1059 | // copy the data to the new location | |
1060 | data->SetImage(imageNormal, wxTreeItemIcon_Normal); | |
1061 | data->SetImage(imageSel, wxTreeItemIcon_Selected); | |
1062 | } | |
1063 | ||
1064 | DoSetItemImageFromData(item, image, which); | |
1065 | ||
1066 | // reset the normal/selected images because we won't use them any | |
1067 | // more - now they're stored inside the indirect data | |
1068 | imageNormal = | |
1069 | imageSel = I_IMAGECALLBACK; | |
1070 | break; | |
1071 | } | |
1072 | ||
9dfbf520 VZ |
1073 | // NB: at least in version 5.00.0518.9 of comctl32.dll we need to always |
1074 | // change both normal and selected image - otherwise the change simply | |
1075 | // doesn't take place! | |
74b31181 | 1076 | DoSetItemImages(item, imageNormal, imageSel); |
2bda0e17 KB |
1077 | } |
1078 | ||
08b7c251 | 1079 | wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const |
2bda0e17 | 1080 | { |
08b7c251 | 1081 | wxTreeViewItem tvItem(item, TVIF_PARAM); |
a9c1265f VZ |
1082 | |
1083 | // Hidden root may have data. | |
1084 | if ( IS_VIRTUAL_ROOT(item) ) | |
1085 | { | |
1086 | return GET_VIRTUAL_ROOT()->GetData(); | |
1087 | } | |
1088 | ||
1089 | // Visible node. | |
08b7c251 VZ |
1090 | if ( !DoGetItem(&tvItem) ) |
1091 | { | |
1092 | return NULL; | |
1093 | } | |
2bda0e17 | 1094 | |
502a2b18 VZ |
1095 | wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam; |
1096 | if ( IsDataIndirect(data) ) | |
74b31181 | 1097 | { |
502a2b18 | 1098 | data = ((wxTreeItemIndirectData *)data)->GetData(); |
74b31181 | 1099 | } |
502a2b18 VZ |
1100 | |
1101 | return data; | |
2bda0e17 KB |
1102 | } |
1103 | ||
08b7c251 | 1104 | void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data) |
2bda0e17 | 1105 | { |
a9c1265f VZ |
1106 | if ( IS_VIRTUAL_ROOT(item) ) |
1107 | { | |
1108 | GET_VIRTUAL_ROOT()->SetData(data); | |
1109 | } | |
1110 | ||
188781db VZ |
1111 | // first, associate this piece of data with this item |
1112 | if ( data ) | |
1113 | { | |
1114 | data->SetId(item); | |
1115 | } | |
1116 | ||
08b7c251 | 1117 | wxTreeViewItem tvItem(item, TVIF_PARAM); |
74b31181 VZ |
1118 | |
1119 | if ( HasIndirectData(item) ) | |
1120 | { | |
1121 | if ( DoGetItem(&tvItem) ) | |
1122 | { | |
1123 | ((wxTreeItemIndirectData *)tvItem.lParam)->SetData(data); | |
1124 | } | |
1125 | else | |
1126 | { | |
223d09f6 | 1127 | wxFAIL_MSG( wxT("failed to change tree items data") ); |
74b31181 VZ |
1128 | } |
1129 | } | |
1130 | else | |
1131 | { | |
1132 | tvItem.lParam = (LPARAM)data; | |
1133 | DoSetItem(&tvItem); | |
1134 | } | |
1135 | } | |
1136 | ||
1137 | void wxTreeCtrl::SetIndirectItemData(const wxTreeItemId& item, | |
1138 | wxTreeItemIndirectData *data) | |
1139 | { | |
1140 | // this should never happen because it's unnecessary and will probably lead | |
1141 | // to crash too because the code elsewhere supposes that the pointer the | |
1142 | // wxTreeItemIndirectData has is a real wxItemData and not | |
1143 | // wxTreeItemIndirectData as well | |
223d09f6 | 1144 | wxASSERT_MSG( !HasIndirectData(item), wxT("setting indirect data twice?") ); |
74b31181 | 1145 | |
502a2b18 | 1146 | SetItemData(item, data); |
74b31181 VZ |
1147 | } |
1148 | ||
1149 | bool wxTreeCtrl::HasIndirectData(const wxTreeItemId& item) const | |
1150 | { | |
502a2b18 VZ |
1151 | // query the item itself |
1152 | wxTreeViewItem tvItem(item, TVIF_PARAM); | |
1153 | if ( !DoGetItem(&tvItem) ) | |
1154 | { | |
04cd30de | 1155 | return false; |
502a2b18 VZ |
1156 | } |
1157 | ||
1158 | wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam; | |
1159 | ||
1160 | return data && IsDataIndirect(data); | |
08b7c251 | 1161 | } |
2bda0e17 | 1162 | |
3a5a2f56 VZ |
1163 | void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) |
1164 | { | |
a9c1265f VZ |
1165 | if ( IS_VIRTUAL_ROOT(item) ) |
1166 | return; | |
1167 | ||
3a5a2f56 VZ |
1168 | wxTreeViewItem tvItem(item, TVIF_CHILDREN); |
1169 | tvItem.cChildren = (int)has; | |
1170 | DoSetItem(&tvItem); | |
1171 | } | |
1172 | ||
add28c55 VZ |
1173 | void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold) |
1174 | { | |
a9c1265f VZ |
1175 | if ( IS_VIRTUAL_ROOT(item) ) |
1176 | return; | |
1177 | ||
add28c55 VZ |
1178 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_BOLD); |
1179 | tvItem.state = bold ? TVIS_BOLD : 0; | |
1180 | DoSetItem(&tvItem); | |
1181 | } | |
1182 | ||
58a8ab88 JS |
1183 | void wxTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item, bool highlight) |
1184 | { | |
a9c1265f VZ |
1185 | if ( IS_VIRTUAL_ROOT(item) ) |
1186 | return; | |
1187 | ||
58a8ab88 JS |
1188 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_DROPHILITED); |
1189 | tvItem.state = highlight ? TVIS_DROPHILITED : 0; | |
1190 | DoSetItem(&tvItem); | |
1191 | } | |
1192 | ||
d00407b2 VZ |
1193 | void wxTreeCtrl::RefreshItem(const wxTreeItemId& item) |
1194 | { | |
a9c1265f VZ |
1195 | if ( IS_VIRTUAL_ROOT(item) ) |
1196 | return; | |
1197 | ||
d00407b2 VZ |
1198 | wxRect rect; |
1199 | if ( GetBoundingRect(item, rect) ) | |
1200 | { | |
1201 | RefreshRect(rect); | |
1202 | } | |
1203 | } | |
1204 | ||
2b5f62a0 VZ |
1205 | wxColour wxTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const |
1206 | { | |
1207 | long id = (long)(WXHTREEITEM)item; | |
1208 | wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); | |
1209 | if ( !attr ) | |
1210 | { | |
1211 | return wxNullColour; | |
1212 | } | |
1213 | ||
1214 | return attr->GetTextColour(); | |
1215 | } | |
1216 | ||
1217 | wxColour wxTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& item) const | |
1218 | { | |
1219 | long id = (long)(WXHTREEITEM)item; | |
1220 | wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); | |
1221 | if ( !attr ) | |
1222 | { | |
1223 | return wxNullColour; | |
1224 | } | |
1225 | ||
1226 | return attr->GetBackgroundColour(); | |
1227 | } | |
1228 | ||
1229 | wxFont wxTreeCtrl::GetItemFont(const wxTreeItemId& item) const | |
1230 | { | |
1231 | long id = (long)(WXHTREEITEM)item; | |
1232 | wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); | |
1233 | if ( !attr ) | |
1234 | { | |
1235 | return wxNullFont; | |
1236 | } | |
1237 | ||
1238 | return attr->GetFont(); | |
1239 | } | |
1240 | ||
696e1ea0 VZ |
1241 | void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item, |
1242 | const wxColour& col) | |
1243 | { | |
04cd30de | 1244 | m_hasAnyAttr = true; |
696e1ea0 VZ |
1245 | |
1246 | long id = (long)(WXHTREEITEM)item; | |
1247 | wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); | |
1248 | if ( !attr ) | |
1249 | { | |
1250 | attr = new wxTreeItemAttr; | |
1251 | m_attrs.Put(id, (wxObject *)attr); | |
1252 | } | |
1253 | ||
1254 | attr->SetTextColour(col); | |
d00407b2 VZ |
1255 | |
1256 | RefreshItem(item); | |
696e1ea0 VZ |
1257 | } |
1258 | ||
1259 | void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item, | |
1260 | const wxColour& col) | |
1261 | { | |
04cd30de | 1262 | m_hasAnyAttr = true; |
696e1ea0 VZ |
1263 | |
1264 | long id = (long)(WXHTREEITEM)item; | |
1265 | wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); | |
1266 | if ( !attr ) | |
1267 | { | |
1268 | attr = new wxTreeItemAttr; | |
1269 | m_attrs.Put(id, (wxObject *)attr); | |
1270 | } | |
1271 | ||
1272 | attr->SetBackgroundColour(col); | |
d00407b2 VZ |
1273 | |
1274 | RefreshItem(item); | |
696e1ea0 VZ |
1275 | } |
1276 | ||
1277 | void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font) | |
1278 | { | |
04cd30de | 1279 | m_hasAnyAttr = true; |
696e1ea0 VZ |
1280 | |
1281 | long id = (long)(WXHTREEITEM)item; | |
1282 | wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); | |
1283 | if ( !attr ) | |
1284 | { | |
1285 | attr = new wxTreeItemAttr; | |
1286 | m_attrs.Put(id, (wxObject *)attr); | |
1287 | } | |
1288 | ||
1289 | attr->SetFont(font); | |
d00407b2 VZ |
1290 | |
1291 | RefreshItem(item); | |
696e1ea0 VZ |
1292 | } |
1293 | ||
08b7c251 VZ |
1294 | // ---------------------------------------------------------------------------- |
1295 | // Item status | |
1296 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 1297 | |
08b7c251 VZ |
1298 | bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const |
1299 | { | |
2b5f62a0 VZ |
1300 | if ( item == wxTreeItemId(TVI_ROOT) ) |
1301 | { | |
1302 | // virtual (hidden) root is never visible | |
04cd30de | 1303 | return false; |
2b5f62a0 VZ |
1304 | } |
1305 | ||
add28c55 | 1306 | // Bug in Gnu-Win32 headers, so don't use the macro TreeView_GetItemRect |
08b7c251 | 1307 | RECT rect; |
955be36c VZ |
1308 | |
1309 | // this ugliness comes directly from MSDN - it *is* the correct way to pass | |
1310 | // the HTREEITEM with TVM_GETITEMRECT | |
1311 | *(WXHTREEITEM *)&rect = (WXHTREEITEM)item; | |
1312 | ||
04cd30de RL |
1313 | // false means get item rect for the whole item, not only text |
1314 | return SendMessage(GetHwnd(), TVM_GETITEMRECT, false, (LPARAM)&rect) != 0; | |
2bda0e17 KB |
1315 | } |
1316 | ||
08b7c251 | 1317 | bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const |
2bda0e17 | 1318 | { |
08b7c251 VZ |
1319 | wxTreeViewItem tvItem(item, TVIF_CHILDREN); |
1320 | DoGetItem(&tvItem); | |
2bda0e17 | 1321 | |
08b7c251 | 1322 | return tvItem.cChildren != 0; |
2bda0e17 KB |
1323 | } |
1324 | ||
08b7c251 | 1325 | bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const |
2bda0e17 | 1326 | { |
08b7c251 VZ |
1327 | // probably not a good idea to put it here |
1328 | //wxASSERT( ItemHasChildren(item) ); | |
2bda0e17 | 1329 | |
08b7c251 VZ |
1330 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDED); |
1331 | DoGetItem(&tvItem); | |
2bda0e17 | 1332 | |
08b7c251 | 1333 | return (tvItem.state & TVIS_EXPANDED) != 0; |
2bda0e17 KB |
1334 | } |
1335 | ||
08b7c251 | 1336 | bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const |
2bda0e17 | 1337 | { |
08b7c251 VZ |
1338 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_SELECTED); |
1339 | DoGetItem(&tvItem); | |
2bda0e17 | 1340 | |
08b7c251 | 1341 | return (tvItem.state & TVIS_SELECTED) != 0; |
2bda0e17 KB |
1342 | } |
1343 | ||
add28c55 VZ |
1344 | bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const |
1345 | { | |
1346 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_BOLD); | |
1347 | DoGetItem(&tvItem); | |
1348 | ||
1349 | return (tvItem.state & TVIS_BOLD) != 0; | |
1350 | } | |
1351 | ||
08b7c251 VZ |
1352 | // ---------------------------------------------------------------------------- |
1353 | // navigation | |
1354 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 1355 | |
08b7c251 VZ |
1356 | wxTreeItemId wxTreeCtrl::GetRootItem() const |
1357 | { | |
a9c1265f VZ |
1358 | // Root may be real (visible) or virtual (hidden). |
1359 | if ( GET_VIRTUAL_ROOT() ) | |
1360 | return TVI_ROOT; | |
1361 | ||
d220ae32 | 1362 | return wxTreeItemId((WXHTREEITEM) TreeView_GetRoot(GetHwnd())); |
08b7c251 | 1363 | } |
2bda0e17 | 1364 | |
08b7c251 VZ |
1365 | wxTreeItemId wxTreeCtrl::GetSelection() const |
1366 | { | |
ad90972f | 1367 | wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (long)(WXHTREEITEM)0, |
223d09f6 | 1368 | wxT("this only works with single selection controls") ); |
9dfbf520 | 1369 | |
d220ae32 | 1370 | return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd())); |
2bda0e17 KB |
1371 | } |
1372 | ||
99006e44 | 1373 | wxTreeItemId wxTreeCtrl::GetItemParent(const wxTreeItemId& item) const |
2bda0e17 | 1374 | { |
c9b142c9 VZ |
1375 | HTREEITEM hItem; |
1376 | ||
1377 | if ( IS_VIRTUAL_ROOT(item) ) | |
1378 | { | |
1379 | // no parent for the virtual root | |
1380 | hItem = 0; | |
1381 | } | |
1382 | else // normal item | |
a9c1265f | 1383 | { |
c9b142c9 VZ |
1384 | hItem = TreeView_GetParent(GetHwnd(), HITEM(item)); |
1385 | if ( !hItem && HasFlag(wxTR_HIDE_ROOT) ) | |
1386 | { | |
1387 | // the top level items should have the virtual root as their parent | |
1388 | hItem = TVI_ROOT; | |
1389 | } | |
a9c1265f VZ |
1390 | } |
1391 | ||
1392 | return wxTreeItemId((WXHTREEITEM)hItem); | |
08b7c251 | 1393 | } |
2bda0e17 | 1394 | |
08b7c251 | 1395 | wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, |
06e38c8e | 1396 | long& _cookie) const |
08b7c251 VZ |
1397 | { |
1398 | // remember the last child returned in 'cookie' | |
3f7bc32b | 1399 | _cookie = (long)TreeView_GetChild(GetHwnd(), HITEM(item)); |
2bda0e17 | 1400 | |
06e38c8e | 1401 | return wxTreeItemId((WXHTREEITEM)_cookie); |
2bda0e17 KB |
1402 | } |
1403 | ||
08b7c251 | 1404 | wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item), |
06e38c8e | 1405 | long& _cookie) const |
2bda0e17 | 1406 | { |
d220ae32 | 1407 | wxTreeItemId l = wxTreeItemId((WXHTREEITEM)TreeView_GetNextSibling(GetHwnd(), |
3f7bc32b | 1408 | HITEM(_cookie))); |
23fd5130 VZ |
1409 | _cookie = (long)l; |
1410 | ||
2e5dddb0 | 1411 | return l; |
08b7c251 | 1412 | } |
2bda0e17 | 1413 | |
978f38c2 VZ |
1414 | wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const |
1415 | { | |
1416 | // can this be done more efficiently? | |
1417 | long cookie; | |
1418 | ||
1419 | wxTreeItemId childLast, | |
2165ad93 | 1420 | child = GetFirstChild(item, cookie); |
978f38c2 VZ |
1421 | while ( child.IsOk() ) |
1422 | { | |
1423 | childLast = child; | |
2165ad93 | 1424 | child = GetNextChild(item, cookie); |
978f38c2 VZ |
1425 | } |
1426 | ||
1427 | return childLast; | |
1428 | } | |
1429 | ||
08b7c251 VZ |
1430 | wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const |
1431 | { | |
3f7bc32b | 1432 | return wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(GetHwnd(), HITEM(item))); |
2bda0e17 KB |
1433 | } |
1434 | ||
08b7c251 | 1435 | wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const |
2bda0e17 | 1436 | { |
3f7bc32b | 1437 | return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevSibling(GetHwnd(), HITEM(item))); |
2bda0e17 KB |
1438 | } |
1439 | ||
08b7c251 | 1440 | wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const |
2bda0e17 | 1441 | { |
d220ae32 | 1442 | return wxTreeItemId((WXHTREEITEM) TreeView_GetFirstVisible(GetHwnd())); |
2bda0e17 KB |
1443 | } |
1444 | ||
08b7c251 | 1445 | wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const |
2bda0e17 | 1446 | { |
f6bcfd97 | 1447 | wxASSERT_MSG( IsVisible(item), wxT("The item you call GetNextVisible() for must be visible itself!")); |
02ce7b72 | 1448 | |
3f7bc32b | 1449 | return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(GetHwnd(), HITEM(item))); |
08b7c251 | 1450 | } |
02ce7b72 | 1451 | |
08b7c251 VZ |
1452 | wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const |
1453 | { | |
f6bcfd97 | 1454 | wxASSERT_MSG( IsVisible(item), wxT("The item you call GetPrevVisible() for must be visible itself!")); |
02ce7b72 | 1455 | |
3f7bc32b | 1456 | return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(GetHwnd(), HITEM(item))); |
08b7c251 | 1457 | } |
02ce7b72 | 1458 | |
9dfbf520 VZ |
1459 | // ---------------------------------------------------------------------------- |
1460 | // multiple selections emulation | |
1461 | // ---------------------------------------------------------------------------- | |
1462 | ||
1463 | bool wxTreeCtrl::IsItemChecked(const wxTreeItemId& item) const | |
1464 | { | |
1465 | // receive the desired information. | |
1466 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK); | |
1467 | DoGetItem(&tvItem); | |
1468 | ||
1469 | // state image indices are 1 based | |
1470 | return ((tvItem.state >> 12) - 1) == 1; | |
1471 | } | |
1472 | ||
1473 | void wxTreeCtrl::SetItemCheck(const wxTreeItemId& item, bool check) | |
1474 | { | |
1475 | // receive the desired information. | |
1476 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK); | |
1477 | ||
a9c1265f VZ |
1478 | DoGetItem(&tvItem); |
1479 | ||
9dfbf520 VZ |
1480 | // state images are one-based |
1481 | tvItem.state = (check ? 2 : 1) << 12; | |
1482 | ||
1483 | DoSetItem(&tvItem); | |
1484 | } | |
1485 | ||
33961d59 RR |
1486 | size_t wxTreeCtrl::GetSelections(wxArrayTreeItemIds& selections) const |
1487 | { | |
1488 | TraverseSelections selector(this, selections); | |
9dfbf520 | 1489 | |
e47c4d48 | 1490 | return selector.GetCount(); |
9dfbf520 VZ |
1491 | } |
1492 | ||
08b7c251 VZ |
1493 | // ---------------------------------------------------------------------------- |
1494 | // Usual operations | |
1495 | // ---------------------------------------------------------------------------- | |
02ce7b72 | 1496 | |
08b7c251 VZ |
1497 | wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent, |
1498 | wxTreeItemId hInsertAfter, | |
1499 | const wxString& text, | |
1500 | int image, int selectedImage, | |
1501 | wxTreeItemData *data) | |
1502 | { | |
0e935169 VZ |
1503 | wxCHECK_MSG( parent.IsOk() || !TreeView_GetRoot(GetHwnd()), |
1504 | wxTreeItemId(), | |
1505 | _T("can't have more than one root in the tree") ); | |
1506 | ||
08b7c251 | 1507 | TV_INSERTSTRUCT tvIns; |
3f7bc32b VZ |
1508 | tvIns.hParent = HITEM(parent); |
1509 | tvIns.hInsertAfter = HITEM(hInsertAfter); | |
58a8ab88 | 1510 | |
74b31181 VZ |
1511 | // this is how we insert the item as the first child: supply a NULL |
1512 | // hInsertAfter | |
1513 | if ( !tvIns.hInsertAfter ) | |
58a8ab88 JS |
1514 | { |
1515 | tvIns.hInsertAfter = TVI_FIRST; | |
1516 | } | |
1517 | ||
08b7c251 VZ |
1518 | UINT mask = 0; |
1519 | if ( !text.IsEmpty() ) | |
1520 | { | |
1521 | mask |= TVIF_TEXT; | |
837e5743 | 1522 | tvIns.item.pszText = (wxChar *)text.c_str(); // cast is ok |
08b7c251 | 1523 | } |
f6bcfd97 BP |
1524 | else |
1525 | { | |
1526 | tvIns.item.pszText = NULL; | |
1527 | tvIns.item.cchTextMax = 0; | |
1528 | } | |
02ce7b72 | 1529 | |
08b7c251 VZ |
1530 | if ( image != -1 ) |
1531 | { | |
1532 | mask |= TVIF_IMAGE; | |
1533 | tvIns.item.iImage = image; | |
3a5a2f56 | 1534 | |
6b037754 | 1535 | if ( selectedImage == -1 ) |
3a5a2f56 VZ |
1536 | { |
1537 | // take the same image for selected icon if not specified | |
1538 | selectedImage = image; | |
1539 | } | |
08b7c251 | 1540 | } |
02ce7b72 | 1541 | |
08b7c251 VZ |
1542 | if ( selectedImage != -1 ) |
1543 | { | |
1544 | mask |= TVIF_SELECTEDIMAGE; | |
1545 | tvIns.item.iSelectedImage = selectedImage; | |
1546 | } | |
02ce7b72 | 1547 | |
08b7c251 VZ |
1548 | if ( data != NULL ) |
1549 | { | |
1550 | mask |= TVIF_PARAM; | |
1551 | tvIns.item.lParam = (LPARAM)data; | |
1552 | } | |
02ce7b72 | 1553 | |
08b7c251 | 1554 | tvIns.item.mask = mask; |
02ce7b72 | 1555 | |
d220ae32 | 1556 | HTREEITEM id = (HTREEITEM) TreeView_InsertItem(GetHwnd(), &tvIns); |
08b7c251 VZ |
1557 | if ( id == 0 ) |
1558 | { | |
f6bcfd97 | 1559 | wxLogLastError(wxT("TreeView_InsertItem")); |
08b7c251 | 1560 | } |
02ce7b72 | 1561 | |
fd3f686c VZ |
1562 | if ( data != NULL ) |
1563 | { | |
1564 | // associate the application tree item with Win32 tree item handle | |
1565 | data->SetId((WXHTREEITEM)id); | |
1566 | } | |
1567 | ||
06e38c8e | 1568 | return wxTreeItemId((WXHTREEITEM)id); |
2bda0e17 KB |
1569 | } |
1570 | ||
08b7c251 VZ |
1571 | // for compatibility only |
1572 | wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, | |
1573 | const wxString& text, | |
1574 | int image, int selImage, | |
1575 | long insertAfter) | |
2bda0e17 | 1576 | { |
06e38c8e | 1577 | return DoInsertItem(parent, (WXHTREEITEM)insertAfter, text, |
08b7c251 | 1578 | image, selImage, NULL); |
2bda0e17 KB |
1579 | } |
1580 | ||
08b7c251 VZ |
1581 | wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, |
1582 | int image, int selectedImage, | |
1583 | wxTreeItemData *data) | |
2bda0e17 | 1584 | { |
a9c1265f VZ |
1585 | |
1586 | if ( m_windowStyle & wxTR_HIDE_ROOT ) | |
1587 | { | |
1588 | // create a virtual root item, the parent for all the others | |
1589 | m_pVirtualRoot = new wxVirtualNode(data); | |
1590 | ||
1591 | return TVI_ROOT; | |
1592 | } | |
1593 | ||
22fb32d5 | 1594 | return DoInsertItem(wxTreeItemId((long)(WXHTREEITEM) 0), (long)(WXHTREEITEM) 0, |
08b7c251 | 1595 | text, image, selectedImage, data); |
2bda0e17 KB |
1596 | } |
1597 | ||
08b7c251 VZ |
1598 | wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent, |
1599 | const wxString& text, | |
1600 | int image, int selectedImage, | |
1601 | wxTreeItemData *data) | |
2bda0e17 | 1602 | { |
06e38c8e | 1603 | return DoInsertItem(parent, (WXHTREEITEM) TVI_FIRST, |
08b7c251 | 1604 | text, image, selectedImage, data); |
2bda0e17 KB |
1605 | } |
1606 | ||
08b7c251 VZ |
1607 | wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, |
1608 | const wxTreeItemId& idPrevious, | |
1609 | const wxString& text, | |
1610 | int image, int selectedImage, | |
1611 | wxTreeItemData *data) | |
2bda0e17 | 1612 | { |
08b7c251 | 1613 | return DoInsertItem(parent, idPrevious, text, image, selectedImage, data); |
2bda0e17 KB |
1614 | } |
1615 | ||
2ef31e80 VZ |
1616 | wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, |
1617 | size_t index, | |
1618 | const wxString& text, | |
1619 | int image, int selectedImage, | |
1620 | wxTreeItemData *data) | |
1621 | { | |
1622 | // find the item from index | |
1623 | long cookie; | |
1624 | wxTreeItemId idPrev, idCur = GetFirstChild(parent, cookie); | |
1625 | while ( index != 0 && idCur.IsOk() ) | |
1626 | { | |
1627 | index--; | |
1628 | ||
1629 | idPrev = idCur; | |
1630 | idCur = GetNextChild(parent, cookie); | |
1631 | } | |
1632 | ||
1633 | // assert, not check: if the index is invalid, we will append the item | |
1634 | // to the end | |
1635 | wxASSERT_MSG( index == 0, _T("bad index in wxTreeCtrl::InsertItem") ); | |
1636 | ||
1637 | return DoInsertItem(parent, idPrev, text, image, selectedImage, data); | |
1638 | } | |
1639 | ||
08b7c251 VZ |
1640 | wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent, |
1641 | const wxString& text, | |
1642 | int image, int selectedImage, | |
1643 | wxTreeItemData *data) | |
2bda0e17 | 1644 | { |
06e38c8e | 1645 | return DoInsertItem(parent, (WXHTREEITEM) TVI_LAST, |
08b7c251 | 1646 | text, image, selectedImage, data); |
2bda0e17 KB |
1647 | } |
1648 | ||
08b7c251 | 1649 | void wxTreeCtrl::Delete(const wxTreeItemId& item) |
2bda0e17 | 1650 | { |
3f7bc32b | 1651 | if ( !TreeView_DeleteItem(GetHwnd(), HITEM(item)) ) |
bbcdf8bc | 1652 | { |
f6bcfd97 | 1653 | wxLogLastError(wxT("TreeView_DeleteItem")); |
bbcdf8bc | 1654 | } |
bbcdf8bc JS |
1655 | } |
1656 | ||
23fd5130 VZ |
1657 | // delete all children (but don't delete the item itself) |
1658 | void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item) | |
1659 | { | |
1660 | long cookie; | |
1661 | ||
1662 | wxArrayLong children; | |
1663 | wxTreeItemId child = GetFirstChild(item, cookie); | |
1664 | while ( child.IsOk() ) | |
1665 | { | |
1666 | children.Add((long)(WXHTREEITEM)child); | |
1667 | ||
1668 | child = GetNextChild(item, cookie); | |
1669 | } | |
1670 | ||
1671 | size_t nCount = children.Count(); | |
1672 | for ( size_t n = 0; n < nCount; n++ ) | |
1673 | { | |
d220ae32 | 1674 | if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)children[n]) ) |
23fd5130 | 1675 | { |
f6bcfd97 | 1676 | wxLogLastError(wxT("TreeView_DeleteItem")); |
23fd5130 VZ |
1677 | } |
1678 | } | |
1679 | } | |
1680 | ||
08b7c251 | 1681 | void wxTreeCtrl::DeleteAllItems() |
bbcdf8bc | 1682 | { |
bfedf621 VZ |
1683 | // delete the "virtual" root item. |
1684 | if ( GET_VIRTUAL_ROOT() ) | |
1685 | { | |
1686 | delete GET_VIRTUAL_ROOT(); | |
1687 | m_pVirtualRoot = NULL; | |
1688 | } | |
1689 | ||
1690 | // and all the real items | |
a9c1265f | 1691 | |
d220ae32 | 1692 | if ( !TreeView_DeleteAllItems(GetHwnd()) ) |
bbcdf8bc | 1693 | { |
f6bcfd97 | 1694 | wxLogLastError(wxT("TreeView_DeleteAllItems")); |
bbcdf8bc | 1695 | } |
2bda0e17 KB |
1696 | } |
1697 | ||
08b7c251 | 1698 | void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag) |
2bda0e17 | 1699 | { |
dd3646fd VZ |
1700 | wxASSERT_MSG( flag == TVE_COLLAPSE || |
1701 | flag == (TVE_COLLAPSE | TVE_COLLAPSERESET) || | |
1702 | flag == TVE_EXPAND || | |
1703 | flag == TVE_TOGGLE, | |
223d09f6 | 1704 | wxT("Unknown flag in wxTreeCtrl::DoExpand") ); |
08b7c251 | 1705 | |
a9c1265f | 1706 | // A hidden root can be neither expanded nor collapsed. |
e9616381 | 1707 | wxCHECK_RET( !(m_windowStyle & wxTR_HIDE_ROOT) || (HITEM(item) != TVI_ROOT), |
0d6a0101 | 1708 | wxT("Can't expand/collapse hidden root node!") ) |
a9c1265f | 1709 | |
08b7c251 | 1710 | // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must |
d220ae32 VZ |
1711 | // emulate them. This behaviour has changed slightly with comctl32.dll |
1712 | // v 4.70 - now it does send them but only the first time. To maintain | |
1713 | // compatible behaviour and also in order to not have surprises with the | |
1714 | // future versions, don't rely on this and still do everything ourselves. | |
1715 | // To avoid that the messages be sent twice when the item is expanded for | |
1716 | // the first time we must clear TVIS_EXPANDEDONCE style manually. | |
1717 | ||
1718 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDEDONCE); | |
1719 | tvItem.state = 0; | |
1720 | DoSetItem(&tvItem); | |
1721 | ||
3f7bc32b | 1722 | if ( TreeView_Expand(GetHwnd(), HITEM(item), flag) != 0 ) |
08b7c251 VZ |
1723 | { |
1724 | wxTreeEvent event(wxEVT_NULL, m_windowId); | |
1725 | event.m_item = item; | |
08b7c251 | 1726 | event.SetEventObject(this); |
2bda0e17 | 1727 | |
deb1de30 VZ |
1728 | // note that the {EXPAND|COLLAPS}ING event is sent by TreeView_Expand() |
1729 | // itself | |
1730 | event.SetEventType(gs_expandEvents[IsExpanded(item) ? IDX_EXPAND | |
1731 | : IDX_COLLAPSE] | |
1732 | [IDX_DONE]); | |
2bda0e17 | 1733 | |
deb1de30 | 1734 | (void)GetEventHandler()->ProcessEvent(event); |
08b7c251 | 1735 | } |
d220ae32 | 1736 | //else: change didn't took place, so do nothing at all |
2bda0e17 KB |
1737 | } |
1738 | ||
08b7c251 | 1739 | void wxTreeCtrl::Expand(const wxTreeItemId& item) |
2bda0e17 | 1740 | { |
08b7c251 | 1741 | DoExpand(item, TVE_EXPAND); |
2bda0e17 | 1742 | } |
2bda0e17 | 1743 | |
08b7c251 | 1744 | void wxTreeCtrl::Collapse(const wxTreeItemId& item) |
2bda0e17 | 1745 | { |
08b7c251 | 1746 | DoExpand(item, TVE_COLLAPSE); |
2bda0e17 KB |
1747 | } |
1748 | ||
08b7c251 | 1749 | void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item) |
2bda0e17 | 1750 | { |
dd3646fd | 1751 | DoExpand(item, TVE_COLLAPSE | TVE_COLLAPSERESET); |
2bda0e17 KB |
1752 | } |
1753 | ||
08b7c251 | 1754 | void wxTreeCtrl::Toggle(const wxTreeItemId& item) |
2bda0e17 | 1755 | { |
08b7c251 | 1756 | DoExpand(item, TVE_TOGGLE); |
2bda0e17 KB |
1757 | } |
1758 | ||
42c5812d UU |
1759 | void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action) |
1760 | { | |
9dfbf520 | 1761 | DoExpand(item, action); |
42c5812d UU |
1762 | } |
1763 | ||
08b7c251 | 1764 | void wxTreeCtrl::Unselect() |
2bda0e17 | 1765 | { |
3f7bc32b VZ |
1766 | wxASSERT_MSG( !(m_windowStyle & wxTR_MULTIPLE), |
1767 | wxT("doesn't make sense, may be you want UnselectAll()?") ); | |
9dfbf520 VZ |
1768 | |
1769 | // just remove the selection | |
ad90972f | 1770 | SelectItem(wxTreeItemId((long) (WXHTREEITEM) 0)); |
08b7c251 | 1771 | } |
02ce7b72 | 1772 | |
9dfbf520 | 1773 | void wxTreeCtrl::UnselectAll() |
08b7c251 | 1774 | { |
9dfbf520 | 1775 | if ( m_windowStyle & wxTR_MULTIPLE ) |
2bda0e17 | 1776 | { |
9dfbf520 VZ |
1777 | wxArrayTreeItemIds selections; |
1778 | size_t count = GetSelections(selections); | |
1779 | for ( size_t n = 0; n < count; n++ ) | |
d220ae32 | 1780 | { |
3f7bc32b | 1781 | #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
04cd30de | 1782 | SetItemCheck(selections[n], false); |
3f7bc32b VZ |
1783 | #else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
1784 | ::UnselectItem(GetHwnd(), HITEM(selections[n])); | |
1785 | #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE | |
d220ae32 | 1786 | } |
9dfbf520 VZ |
1787 | } |
1788 | else | |
1789 | { | |
1790 | // just remove the selection | |
1791 | Unselect(); | |
1792 | } | |
1793 | } | |
1794 | ||
1795 | void wxTreeCtrl::SelectItem(const wxTreeItemId& item) | |
1796 | { | |
1797 | if ( m_windowStyle & wxTR_MULTIPLE ) | |
1798 | { | |
3f7bc32b | 1799 | #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
9dfbf520 VZ |
1800 | // selecting the item means checking it |
1801 | SetItemCheck(item); | |
3f7bc32b VZ |
1802 | #else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
1803 | ::SelectItem(GetHwnd(), HITEM(item)); | |
1804 | #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE | |
9dfbf520 VZ |
1805 | } |
1806 | else | |
1807 | { | |
1808 | // inspite of the docs (MSDN Jan 99 edition), we don't seem to receive | |
1809 | // the notification from the control (i.e. TVN_SELCHANG{ED|ING}), so | |
1810 | // send them ourselves | |
1811 | ||
1812 | wxTreeEvent event(wxEVT_NULL, m_windowId); | |
1813 | event.m_item = item; | |
1814 | event.SetEventObject(this); | |
1815 | ||
1816 | event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGING); | |
1817 | if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() ) | |
d220ae32 | 1818 | { |
3f7bc32b | 1819 | if ( !TreeView_SelectItem(GetHwnd(), HITEM(item)) ) |
9dfbf520 | 1820 | { |
f6bcfd97 | 1821 | wxLogLastError(wxT("TreeView_SelectItem")); |
9dfbf520 VZ |
1822 | } |
1823 | else | |
1824 | { | |
1825 | event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED); | |
1826 | (void)GetEventHandler()->ProcessEvent(event); | |
1827 | } | |
d220ae32 | 1828 | } |
9dfbf520 | 1829 | //else: program vetoed the change |
2bda0e17 | 1830 | } |
08b7c251 | 1831 | } |
2bda0e17 | 1832 | |
08b7c251 VZ |
1833 | void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item) |
1834 | { | |
1835 | // no error return | |
3f7bc32b | 1836 | TreeView_EnsureVisible(GetHwnd(), HITEM(item)); |
08b7c251 VZ |
1837 | } |
1838 | ||
1839 | void wxTreeCtrl::ScrollTo(const wxTreeItemId& item) | |
1840 | { | |
3f7bc32b | 1841 | if ( !TreeView_SelectSetFirstVisible(GetHwnd(), HITEM(item)) ) |
2bda0e17 | 1842 | { |
f6bcfd97 | 1843 | wxLogLastError(wxT("TreeView_SelectSetFirstVisible")); |
2bda0e17 | 1844 | } |
08b7c251 VZ |
1845 | } |
1846 | ||
44fbc477 | 1847 | wxTextCtrl *wxTreeCtrl::GetEditControl() const |
08b7c251 VZ |
1848 | { |
1849 | return m_textCtrl; | |
1850 | } | |
1851 | ||
1852 | void wxTreeCtrl::DeleteTextCtrl() | |
1853 | { | |
1854 | if ( m_textCtrl ) | |
2bda0e17 | 1855 | { |
b6a3d6ad VZ |
1856 | // the HWND corresponding to this control is deleted by the tree |
1857 | // control itself and we don't know when exactly this happens, so check | |
1858 | // if the window still exists before calling UnsubclassWin() | |
1859 | if ( !::IsWindow(GetHwndOf(m_textCtrl)) ) | |
1860 | { | |
1861 | m_textCtrl->SetHWND(0); | |
1862 | } | |
1863 | ||
08b7c251 VZ |
1864 | m_textCtrl->UnsubclassWin(); |
1865 | m_textCtrl->SetHWND(0); | |
1866 | delete m_textCtrl; | |
1867 | m_textCtrl = NULL; | |
2bda0e17 | 1868 | } |
08b7c251 | 1869 | } |
2bda0e17 | 1870 | |
08b7c251 VZ |
1871 | wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item, |
1872 | wxClassInfo* textControlClass) | |
1873 | { | |
1874 | wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) ); | |
1875 | ||
b94ae1ea VZ |
1876 | DeleteTextCtrl(); |
1877 | ||
cd6bd270 | 1878 | m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject(); |
3f7bc32b | 1879 | HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), HITEM(item)); |
2bda0e17 | 1880 | |
5ea47806 | 1881 | // this is not an error - the TVN_BEGINLABELEDIT handler might have |
04cd30de | 1882 | // returned false |
5ea47806 VZ |
1883 | if ( !hWnd ) |
1884 | { | |
cd6bd270 MB |
1885 | delete m_textCtrl; |
1886 | m_textCtrl = NULL; | |
5ea47806 VZ |
1887 | return NULL; |
1888 | } | |
2bda0e17 | 1889 | |
cd6bd270 | 1890 | // textctrl is subclassed in MSWOnNotify |
08b7c251 | 1891 | return m_textCtrl; |
2bda0e17 KB |
1892 | } |
1893 | ||
08b7c251 | 1894 | // End label editing, optionally cancelling the edit |
33ac7e6f | 1895 | void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool discardChanges) |
2bda0e17 | 1896 | { |
d220ae32 | 1897 | TreeView_EndEditLabelNow(GetHwnd(), discardChanges); |
08b7c251 VZ |
1898 | |
1899 | DeleteTextCtrl(); | |
2bda0e17 KB |
1900 | } |
1901 | ||
08b7c251 | 1902 | wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags) |
2bda0e17 | 1903 | { |
08b7c251 VZ |
1904 | TV_HITTESTINFO hitTestInfo; |
1905 | hitTestInfo.pt.x = (int)point.x; | |
1906 | hitTestInfo.pt.y = (int)point.y; | |
2bda0e17 | 1907 | |
d220ae32 | 1908 | TreeView_HitTest(GetHwnd(), &hitTestInfo); |
2bda0e17 | 1909 | |
08b7c251 VZ |
1910 | flags = 0; |
1911 | ||
1912 | // avoid repetition | |
1913 | #define TRANSLATE_FLAG(flag) if ( hitTestInfo.flags & TVHT_##flag ) \ | |
1914 | flags |= wxTREE_HITTEST_##flag | |
1915 | ||
1916 | TRANSLATE_FLAG(ABOVE); | |
1917 | TRANSLATE_FLAG(BELOW); | |
1918 | TRANSLATE_FLAG(NOWHERE); | |
1919 | TRANSLATE_FLAG(ONITEMBUTTON); | |
1920 | TRANSLATE_FLAG(ONITEMICON); | |
1921 | TRANSLATE_FLAG(ONITEMINDENT); | |
1922 | TRANSLATE_FLAG(ONITEMLABEL); | |
1923 | TRANSLATE_FLAG(ONITEMRIGHT); | |
1924 | TRANSLATE_FLAG(ONITEMSTATEICON); | |
1925 | TRANSLATE_FLAG(TOLEFT); | |
1926 | TRANSLATE_FLAG(TORIGHT); | |
2bda0e17 | 1927 | |
08b7c251 VZ |
1928 | #undef TRANSLATE_FLAG |
1929 | ||
06e38c8e | 1930 | return wxTreeItemId((WXHTREEITEM) hitTestInfo.hItem); |
08b7c251 VZ |
1931 | } |
1932 | ||
f7c832a7 VZ |
1933 | bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item, |
1934 | wxRect& rect, | |
1935 | bool textOnly) const | |
1936 | { | |
1937 | RECT rc; | |
f2c3db9d RD |
1938 | |
1939 | // Virtual root items have no bounding rectangle | |
1940 | if ( IS_VIRTUAL_ROOT(item) ) | |
1941 | { | |
1942 | return false; | |
1943 | } | |
1944 | ||
3f7bc32b | 1945 | if ( TreeView_GetItemRect(GetHwnd(), HITEM(item), |
f7c832a7 VZ |
1946 | &rc, textOnly) ) |
1947 | { | |
1948 | rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom)); | |
1949 | ||
04cd30de | 1950 | return true; |
f7c832a7 VZ |
1951 | } |
1952 | else | |
1953 | { | |
1954 | // couldn't retrieve rect: for example, item isn't visible | |
04cd30de | 1955 | return false; |
f7c832a7 VZ |
1956 | } |
1957 | } | |
1958 | ||
23fd5130 VZ |
1959 | // ---------------------------------------------------------------------------- |
1960 | // sorting stuff | |
1961 | // ---------------------------------------------------------------------------- | |
f7c832a7 | 1962 | |
502a2b18 VZ |
1963 | // this is just a tiny namespace which is friend to wxTreeCtrl and so can use |
1964 | // functions such as IsDataIndirect() | |
1965 | class wxTreeSortHelper | |
1966 | { | |
1967 | public: | |
1968 | static int CALLBACK Compare(LPARAM data1, LPARAM data2, LPARAM tree); | |
1969 | ||
1970 | private: | |
1971 | static wxTreeItemId GetIdFromData(wxTreeCtrl *tree, LPARAM item) | |
1972 | { | |
1973 | wxTreeItemData *data = (wxTreeItemData *)item; | |
1974 | if ( tree->IsDataIndirect(data) ) | |
1975 | { | |
1976 | data = ((wxTreeItemIndirectData *)data)->GetData(); | |
1977 | } | |
1978 | ||
1979 | return data->GetId(); | |
1980 | } | |
1981 | }; | |
1982 | ||
1983 | int CALLBACK wxTreeSortHelper::Compare(LPARAM pItem1, | |
1984 | LPARAM pItem2, | |
1985 | LPARAM htree) | |
23fd5130 | 1986 | { |
096c9f9b | 1987 | wxCHECK_MSG( pItem1 && pItem2, 0, |
223d09f6 | 1988 | wxT("sorting tree without data doesn't make sense") ); |
096c9f9b | 1989 | |
502a2b18 VZ |
1990 | wxTreeCtrl *tree = (wxTreeCtrl *)htree; |
1991 | ||
1992 | return tree->OnCompareItems(GetIdFromData(tree, pItem1), | |
1993 | GetIdFromData(tree, pItem2)); | |
23fd5130 VZ |
1994 | } |
1995 | ||
95aabccc VZ |
1996 | int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1, |
1997 | const wxTreeItemId& item2) | |
08b7c251 | 1998 | { |
837e5743 | 1999 | return wxStrcmp(GetItemText(item1), GetItemText(item2)); |
95aabccc VZ |
2000 | } |
2001 | ||
2002 | void wxTreeCtrl::SortChildren(const wxTreeItemId& item) | |
2003 | { | |
2004 | // rely on the fact that TreeView_SortChildren does the same thing as our | |
23fd5130 VZ |
2005 | // default behaviour, i.e. sorts items alphabetically and so call it |
2006 | // directly if we're not in derived class (much more efficient!) | |
2007 | if ( GetClassInfo() == CLASSINFO(wxTreeCtrl) ) | |
2bda0e17 | 2008 | { |
3f7bc32b | 2009 | TreeView_SortChildren(GetHwnd(), HITEM(item), 0); |
2bda0e17 | 2010 | } |
08b7c251 | 2011 | else |
2bda0e17 | 2012 | { |
62448488 | 2013 | TV_SORTCB tvSort; |
3f7bc32b | 2014 | tvSort.hParent = HITEM(item); |
502a2b18 | 2015 | tvSort.lpfnCompare = wxTreeSortHelper::Compare; |
23fd5130 | 2016 | tvSort.lParam = (LPARAM)this; |
d220ae32 | 2017 | TreeView_SortChildrenCB(GetHwnd(), &tvSort, 0 /* reserved */); |
2bda0e17 | 2018 | } |
08b7c251 | 2019 | } |
2bda0e17 | 2020 | |
08b7c251 VZ |
2021 | // ---------------------------------------------------------------------------- |
2022 | // implementation | |
2023 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 2024 | |
08b7c251 VZ |
2025 | bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id) |
2026 | { | |
2027 | if ( cmd == EN_UPDATE ) | |
2bda0e17 | 2028 | { |
08b7c251 VZ |
2029 | wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id); |
2030 | event.SetEventObject( this ); | |
2031 | ProcessCommand(event); | |
2bda0e17 | 2032 | } |
08b7c251 | 2033 | else if ( cmd == EN_KILLFOCUS ) |
2bda0e17 | 2034 | { |
08b7c251 VZ |
2035 | wxCommandEvent event(wxEVT_KILL_FOCUS, id); |
2036 | event.SetEventObject( this ); | |
2037 | ProcessCommand(event); | |
2bda0e17 | 2038 | } |
08b7c251 | 2039 | else |
2bda0e17 | 2040 | { |
08b7c251 | 2041 | // nothing done |
04cd30de | 2042 | return false; |
2bda0e17 | 2043 | } |
08b7c251 VZ |
2044 | |
2045 | // command processed | |
04cd30de | 2046 | return true; |
08b7c251 VZ |
2047 | } |
2048 | ||
23f681ec VZ |
2049 | // we hook into WndProc to process WM_MOUSEMOVE/WM_BUTTONUP messages - as we |
2050 | // only do it during dragging, minimize wxWin overhead (this is important for | |
2051 | // WM_MOUSEMOVE as they're a lot of them) by catching Windows messages directly | |
2052 | // instead of passing by wxWin events | |
2053 | long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) | |
2054 | { | |
04cd30de | 2055 | bool processed = false; |
3f7bc32b | 2056 | long rc = 0; |
3f7bc32b VZ |
2057 | bool isMultiple = (GetWindowStyle() & wxTR_MULTIPLE) != 0; |
2058 | ||
2059 | if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) ) | |
23f681ec | 2060 | { |
7bb8798c VZ |
2061 | // we only process mouse messages here and these parameters have the |
2062 | // same meaning for all of them | |
3f7bc32b VZ |
2063 | int x = GET_X_LPARAM(lParam), |
2064 | y = GET_Y_LPARAM(lParam); | |
2065 | HTREEITEM htItem = GetItemFromPoint(GetHwnd(), x, y); | |
2066 | ||
23f681ec VZ |
2067 | switch ( nMsg ) |
2068 | { | |
de6ac339 JS |
2069 | case WM_RBUTTONDOWN: |
2070 | // if the item we are about to right click on | |
2071 | // is not already select, remove the entire | |
2072 | // previous selection | |
2073 | if (!::IsItemSelected(GetHwnd(), htItem)) | |
2074 | { | |
2075 | UnselectAll(); | |
2076 | } | |
2077 | ||
2078 | // select item and set the focus to the | |
2079 | // newly selected item | |
2080 | ::SelectItem(GetHwnd(), htItem); | |
2081 | ::SetFocus(GetHwnd(), htItem); | |
2082 | break; | |
2083 | ||
3f7bc32b VZ |
2084 | #if !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
2085 | case WM_LBUTTONDOWN: | |
2086 | if ( htItem && isMultiple ) | |
23f681ec | 2087 | { |
3f7bc32b VZ |
2088 | if ( wParam & MK_CONTROL ) |
2089 | { | |
2090 | SetFocus(); | |
23f681ec | 2091 | |
3f7bc32b VZ |
2092 | // toggle selected state |
2093 | ToggleItemSelection(GetHwnd(), htItem); | |
2094 | ||
2095 | ::SetFocus(GetHwnd(), htItem); | |
2096 | ||
2097 | // reset on any click without Shift | |
2098 | m_htSelStart = 0; | |
2099 | ||
04cd30de | 2100 | processed = true; |
3f7bc32b VZ |
2101 | } |
2102 | else if ( wParam & MK_SHIFT ) | |
2103 | { | |
2104 | // this selects all items between the starting one and | |
2105 | // the current | |
2106 | ||
2107 | if ( !m_htSelStart ) | |
2108 | { | |
2109 | // take the focused item | |
2110 | m_htSelStart = (WXHTREEITEM) | |
2111 | TreeView_GetSelection(GetHwnd()); | |
2112 | } | |
2113 | ||
2114 | SelectRange(GetHwnd(), HITEM(m_htSelStart), htItem, | |
2115 | !(wParam & MK_CONTROL)); | |
2116 | ||
2117 | ::SetFocus(GetHwnd(), htItem); | |
23f681ec | 2118 | |
04cd30de | 2119 | processed = true; |
3f7bc32b VZ |
2120 | } |
2121 | else // normal click | |
2122 | { | |
df4ac4c7 VZ |
2123 | // avoid doing anything if we click on the only |
2124 | // currently selected item | |
35cf1ec6 | 2125 | |
df4ac4c7 VZ |
2126 | wxArrayTreeItemIds selections; |
2127 | size_t count = GetSelections(selections); | |
2128 | if ( count == 0 || | |
35cf1ec6 VZ |
2129 | count > 1 || |
2130 | HITEM(selections[0]) != htItem ) | |
df4ac4c7 | 2131 | { |
35cf1ec6 VZ |
2132 | // clear the previously selected items, if the |
2133 | // user clicked outside of the present selection. | |
2134 | // otherwise, perform the deselection on mouse-up. | |
2135 | // this allows multiple drag and drop to work. | |
2136 | ||
2137 | if (IsItemSelected(GetHwnd(), htItem)) | |
2138 | { | |
2139 | ::SetFocus(GetHwnd(), htItem); | |
2140 | } | |
2141 | else | |
2142 | { | |
2143 | UnselectAll(); | |
2144 | ||
2145 | // prevent the click from starting in-place editing | |
2146 | // which should only happen if we click on the | |
2147 | // already selected item (and nothing else is | |
2148 | // selected) | |
2149 | ||
2150 | TreeView_SelectItem(GetHwnd(), 0); | |
2151 | ::SelectItem(GetHwnd(), htItem); | |
2152 | } | |
df4ac4c7 | 2153 | } |
3f7bc32b VZ |
2154 | |
2155 | // reset on any click without Shift | |
2156 | m_htSelStart = 0; | |
2157 | } | |
2158 | } | |
2159 | break; | |
2160 | #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE | |
2161 | ||
2162 | case WM_MOUSEMOVE: | |
2163 | if ( m_dragImage ) | |
2164 | { | |
afff720b | 2165 | m_dragImage->Move(wxPoint(x, y)); |
3f7bc32b | 2166 | if ( htItem ) |
23f681ec VZ |
2167 | { |
2168 | // highlight the item as target (hiding drag image is | |
2169 | // necessary - otherwise the display will be corrupted) | |
68be9f09 | 2170 | m_dragImage->Hide(); |
3f7bc32b | 2171 | TreeView_SelectDropTarget(GetHwnd(), htItem); |
68be9f09 | 2172 | m_dragImage->Show(); |
23f681ec VZ |
2173 | } |
2174 | } | |
2175 | break; | |
2176 | ||
2177 | case WM_LBUTTONUP: | |
35cf1ec6 VZ |
2178 | |
2179 | // facilitates multiple drag-and-drop | |
2180 | if (htItem && isMultiple) | |
2181 | { | |
2182 | wxArrayTreeItemIds selections; | |
2183 | size_t count = GetSelections(selections); | |
2184 | ||
2185 | if (count > 1 && | |
2186 | !(wParam & MK_CONTROL) && | |
2187 | !(wParam & MK_SHIFT)) | |
2188 | { | |
2189 | UnselectAll(); | |
2190 | TreeView_SelectItem(GetHwnd(), htItem); | |
2191 | } | |
2192 | } | |
2193 | ||
2194 | // fall through | |
2195 | ||
23f681ec | 2196 | case WM_RBUTTONUP: |
3f7bc32b | 2197 | if ( m_dragImage ) |
23f681ec | 2198 | { |
68be9f09 | 2199 | m_dragImage->EndDrag(); |
23f681ec VZ |
2200 | delete m_dragImage; |
2201 | m_dragImage = NULL; | |
2202 | ||
2203 | // generate the drag end event | |
2204 | wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, m_windowId); | |
2205 | ||
3f7bc32b | 2206 | event.m_item = (WXHTREEITEM)htItem; |
23f681ec VZ |
2207 | event.m_pointDrag = wxPoint(x, y); |
2208 | event.SetEventObject(this); | |
2209 | ||
2210 | (void)GetEventHandler()->ProcessEvent(event); | |
225fe9d6 VZ |
2211 | |
2212 | // if we don't do it, the tree seems to think that 2 items | |
2213 | // are selected simultaneously which is quite weird | |
2214 | TreeView_SelectDropTarget(GetHwnd(), 0); | |
23f681ec VZ |
2215 | } |
2216 | break; | |
2217 | } | |
2218 | } | |
3f7bc32b VZ |
2219 | #if !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
2220 | else if ( (nMsg == WM_SETFOCUS || nMsg == WM_KILLFOCUS) && isMultiple ) | |
2221 | { | |
2222 | // the tree control greys out the selected item when it loses focus and | |
2223 | // paints it as selected again when it regains it, but it won't do it | |
2224 | // for the other items itself - help it | |
2225 | wxArrayTreeItemIds selections; | |
2226 | size_t count = GetSelections(selections); | |
2227 | RECT rect; | |
2228 | for ( size_t n = 0; n < count; n++ ) | |
2229 | { | |
04cd30de | 2230 | // TreeView_GetItemRect() will return false if item is not visible, |
3f7bc32b VZ |
2231 | // which may happen perfectly well |
2232 | if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]), | |
04cd30de | 2233 | &rect, true) ) |
3f7bc32b | 2234 | { |
04cd30de | 2235 | ::InvalidateRect(GetHwnd(), &rect, false); |
3f7bc32b VZ |
2236 | } |
2237 | } | |
2238 | } | |
2239 | else if ( nMsg == WM_KEYDOWN && isMultiple ) | |
2240 | { | |
2241 | bool bCtrl = wxIsCtrlDown(), | |
2242 | bShift = wxIsShiftDown(); | |
2243 | ||
2244 | // we handle.arrows and space, but not page up/down and home/end: the | |
2245 | // latter should be easy, but not the former | |
2246 | ||
2c8e4738 | 2247 | HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd()); |
3f7bc32b VZ |
2248 | if ( !m_htSelStart ) |
2249 | { | |
2250 | m_htSelStart = (WXHTREEITEM)htSel; | |
2251 | } | |
2252 | ||
2253 | if ( wParam == VK_SPACE ) | |
2254 | { | |
2255 | if ( bCtrl ) | |
2256 | { | |
2257 | ToggleItemSelection(GetHwnd(), htSel); | |
2258 | } | |
2259 | else | |
2260 | { | |
2261 | UnselectAll(); | |
2262 | ||
2263 | ::SelectItem(GetHwnd(), htSel); | |
2264 | } | |
23f681ec | 2265 | |
04cd30de | 2266 | processed = true; |
3f7bc32b VZ |
2267 | } |
2268 | else if ( wParam == VK_UP || wParam == VK_DOWN ) | |
2269 | { | |
2270 | if ( !bCtrl && !bShift ) | |
2271 | { | |
2272 | // no modifiers, just clear selection and then let the default | |
2273 | // processing to take place | |
2274 | UnselectAll(); | |
2275 | } | |
2276 | else if ( htSel ) | |
2277 | { | |
2278 | (void)wxControl::MSWWindowProc(nMsg, wParam, lParam); | |
2279 | ||
2c8e4738 VZ |
2280 | HTREEITEM htNext = (HTREEITEM)(wParam == VK_UP |
2281 | ? TreeView_GetPrevVisible(GetHwnd(), htSel) | |
2282 | : TreeView_GetNextVisible(GetHwnd(), htSel)); | |
3f7bc32b VZ |
2283 | |
2284 | if ( !htNext ) | |
2285 | { | |
2286 | // at the top/bottom | |
2287 | htNext = htSel; | |
2288 | } | |
2289 | ||
2290 | if ( bShift ) | |
2291 | { | |
2292 | SelectRange(GetHwnd(), HITEM(m_htSelStart), htNext); | |
2293 | } | |
2294 | else // bCtrl | |
2295 | { | |
2296 | // without changing selection | |
2297 | ::SetFocus(GetHwnd(), htNext); | |
2298 | } | |
2299 | ||
04cd30de | 2300 | processed = true; |
3f7bc32b VZ |
2301 | } |
2302 | } | |
2303 | } | |
2304 | #endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE | |
7bb8798c VZ |
2305 | else if ( nMsg == WM_CHAR ) |
2306 | { | |
2307 | // don't let the control process Space and Return keys because it | |
2308 | // doesn't do anything useful with them anyhow but always beeps | |
2309 | // annoyingly when it receives them and there is no way to turn it off | |
2310 | // simply if you just process TREEITEM_ACTIVATED event to which Space | |
2311 | // and Enter presses are mapped in your code | |
2312 | if ( wParam == VK_SPACE || wParam == VK_RETURN ) | |
2313 | { | |
2314 | processed = true; | |
2315 | } | |
2316 | } | |
2317 | ||
3f7bc32b VZ |
2318 | if ( !processed ) |
2319 | rc = wxControl::MSWWindowProc(nMsg, wParam, lParam); | |
2320 | ||
2321 | return rc; | |
23f681ec VZ |
2322 | } |
2323 | ||
08b7c251 | 2324 | // process WM_NOTIFY Windows message |
a23fd0e1 | 2325 | bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) |
08b7c251 VZ |
2326 | { |
2327 | wxTreeEvent event(wxEVT_NULL, m_windowId); | |
2328 | wxEventType eventType = wxEVT_NULL; | |
2329 | NMHDR *hdr = (NMHDR *)lParam; | |
2330 | ||
2331 | switch ( hdr->code ) | |
2bda0e17 | 2332 | { |
08b7c251 VZ |
2333 | case TVN_BEGINDRAG: |
2334 | eventType = wxEVT_COMMAND_TREE_BEGIN_DRAG; | |
2335 | // fall through | |
2336 | ||
2337 | case TVN_BEGINRDRAG: | |
2338 | { | |
2339 | if ( eventType == wxEVT_NULL ) | |
2340 | eventType = wxEVT_COMMAND_TREE_BEGIN_RDRAG; | |
2341 | //else: left drag, already set above | |
2342 | ||
2343 | NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; | |
2344 | ||
06e38c8e | 2345 | event.m_item = (WXHTREEITEM) tv->itemNew.hItem; |
08b7c251 | 2346 | event.m_pointDrag = wxPoint(tv->ptDrag.x, tv->ptDrag.y); |
23f681ec VZ |
2347 | |
2348 | // don't allow dragging by default: the user code must | |
2349 | // explicitly say that it wants to allow it to avoid breaking | |
2350 | // the old apps | |
2351 | event.Veto(); | |
08b7c251 | 2352 | } |
696e1ea0 | 2353 | break; |
08b7c251 VZ |
2354 | |
2355 | case TVN_BEGINLABELEDIT: | |
2356 | { | |
2357 | eventType = wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT; | |
2358 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
2359 | ||
06e38c8e | 2360 | event.m_item = (WXHTREEITEM) info->item.hItem; |
5ea47806 | 2361 | event.m_label = info->item.pszText; |
04cd30de | 2362 | event.m_editCancelled = false; |
08b7c251 | 2363 | } |
696e1ea0 | 2364 | break; |
08b7c251 VZ |
2365 | |
2366 | case TVN_DELETEITEM: | |
2367 | { | |
2368 | eventType = wxEVT_COMMAND_TREE_DELETE_ITEM; | |
2369 | NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; | |
2370 | ||
696e1ea0 VZ |
2371 | event.m_item = (WXHTREEITEM)tv->itemOld.hItem; |
2372 | ||
2373 | if ( m_hasAnyAttr ) | |
2374 | { | |
2375 | delete (wxTreeItemAttr *)m_attrs. | |
2376 | Delete((long)tv->itemOld.hItem); | |
2377 | } | |
08b7c251 | 2378 | } |
696e1ea0 | 2379 | break; |
08b7c251 VZ |
2380 | |
2381 | case TVN_ENDLABELEDIT: | |
2382 | { | |
2383 | eventType = wxEVT_COMMAND_TREE_END_LABEL_EDIT; | |
2384 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
2385 | ||
5ea47806 VZ |
2386 | event.m_item = (WXHTREEITEM)info->item.hItem; |
2387 | event.m_label = info->item.pszText; | |
1ee4ead5 | 2388 | if (info->item.pszText == NULL) |
dd23c25c | 2389 | { |
04cd30de | 2390 | event.m_editCancelled = true; |
dd23c25c JS |
2391 | } |
2392 | else | |
2393 | { | |
04cd30de | 2394 | event.m_editCancelled = false; |
dd23c25c | 2395 | } |
08b7c251 VZ |
2396 | break; |
2397 | } | |
2398 | ||
2399 | case TVN_GETDISPINFO: | |
2400 | eventType = wxEVT_COMMAND_TREE_GET_INFO; | |
2401 | // fall through | |
2402 | ||
2403 | case TVN_SETDISPINFO: | |
2404 | { | |
2405 | if ( eventType == wxEVT_NULL ) | |
2406 | eventType = wxEVT_COMMAND_TREE_SET_INFO; | |
2407 | //else: get, already set above | |
2408 | ||
2409 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
2410 | ||
06e38c8e | 2411 | event.m_item = (WXHTREEITEM) info->item.hItem; |
08b7c251 VZ |
2412 | break; |
2413 | } | |
2414 | ||
2415 | case TVN_ITEMEXPANDING: | |
08b7c251 VZ |
2416 | case TVN_ITEMEXPANDED: |
2417 | { | |
2418 | NM_TREEVIEW* tv = (NM_TREEVIEW*)lParam; | |
2419 | ||
deb1de30 | 2420 | int what; |
08b7c251 VZ |
2421 | switch ( tv->action ) |
2422 | { | |
deb1de30 VZ |
2423 | default: |
2424 | wxLogDebug(wxT("unexpected code %d in TVN_ITEMEXPAND message"), tv->action); | |
2425 | // fall through | |
2426 | ||
08b7c251 | 2427 | case TVE_EXPAND: |
deb1de30 | 2428 | what = IDX_EXPAND; |
08b7c251 VZ |
2429 | break; |
2430 | ||
2431 | case TVE_COLLAPSE: | |
deb1de30 | 2432 | what = IDX_COLLAPSE; |
08b7c251 | 2433 | break; |
08b7c251 VZ |
2434 | } |
2435 | ||
2b5f62a0 VZ |
2436 | int how = hdr->code == TVN_ITEMEXPANDING ? IDX_DOING |
2437 | : IDX_DONE; | |
deb1de30 VZ |
2438 | |
2439 | eventType = gs_expandEvents[what][how]; | |
08b7c251 | 2440 | |
06e38c8e | 2441 | event.m_item = (WXHTREEITEM) tv->itemNew.hItem; |
08b7c251 | 2442 | } |
696e1ea0 | 2443 | break; |
08b7c251 VZ |
2444 | |
2445 | case TVN_KEYDOWN: | |
2446 | { | |
2447 | eventType = wxEVT_COMMAND_TREE_KEY_DOWN; | |
2448 | TV_KEYDOWN *info = (TV_KEYDOWN *)lParam; | |
2449 | ||
1944ad76 VZ |
2450 | // fabricate the lParam and wParam parameters sufficiently |
2451 | // similar to the ones from a "real" WM_KEYDOWN so that | |
2452 | // CreateKeyEvent() works correctly | |
2453 | WXLPARAM lParam = | |
1fdf858b JS |
2454 | // (::GetKeyState(VK_MENU) & 0x100 ? KF_ALTDOWN : 0) << 16; |
2455 | // Returns different negative values on WinME and WinNT, | |
2456 | // so simply test for negative value. | |
2457 | (::GetKeyState(VK_MENU) < 0 ? KF_ALTDOWN : 0) << 16; | |
1944ad76 VZ |
2458 | |
2459 | WXWPARAM wParam = info->wVKey; | |
2460 | ||
2461 | int keyCode = wxCharCodeMSWToWX(info->wVKey); | |
2462 | if ( !keyCode ) | |
2463 | { | |
2464 | // wxCharCodeMSWToWX() returns 0 to indicate that this is a | |
2465 | // simple ASCII key | |
2466 | keyCode = wParam; | |
2467 | } | |
2468 | ||
8191741f | 2469 | event.m_evtKey = CreateKeyEvent(wxEVT_KEY_DOWN, |
1944ad76 VZ |
2470 | keyCode, |
2471 | lParam, | |
2472 | wParam); | |
23fd5130 | 2473 | |
3f7bc32b VZ |
2474 | // a separate event for Space/Return |
2475 | if ( !wxIsCtrlDown() && !wxIsShiftDown() && | |
2476 | ((info->wVKey == VK_SPACE) || (info->wVKey == VK_RETURN)) ) | |
23fd5130 VZ |
2477 | { |
2478 | wxTreeEvent event2(wxEVT_COMMAND_TREE_ITEM_ACTIVATED, | |
2479 | m_windowId); | |
2480 | event2.SetEventObject(this); | |
3f7bc32b VZ |
2481 | if ( !(GetWindowStyle() & wxTR_MULTIPLE) ) |
2482 | { | |
2483 | event2.m_item = GetSelection(); | |
2484 | } | |
2485 | //else: don't know how to get it | |
23fd5130 | 2486 | |
3f7bc32b | 2487 | (void)GetEventHandler()->ProcessEvent(event2); |
23fd5130 | 2488 | } |
08b7c251 | 2489 | } |
696e1ea0 | 2490 | break; |
08b7c251 | 2491 | |
69a8b5b4 VS |
2492 | // NB: MSLU is broken and sends TVN_SELCHANGEDA instead of |
2493 | // TVN_SELCHANGEDW in Unicode mode under Win98. Therefore | |
2494 | // we have to handle both messages: | |
2495 | case TVN_SELCHANGEDA: | |
2496 | case TVN_SELCHANGEDW: | |
08b7c251 VZ |
2497 | eventType = wxEVT_COMMAND_TREE_SEL_CHANGED; |
2498 | // fall through | |
2499 | ||
69a8b5b4 VS |
2500 | case TVN_SELCHANGINGA: |
2501 | case TVN_SELCHANGINGW: | |
08b7c251 VZ |
2502 | { |
2503 | if ( eventType == wxEVT_NULL ) | |
2504 | eventType = wxEVT_COMMAND_TREE_SEL_CHANGING; | |
2505 | //else: already set above | |
2506 | ||
69a8b5b4 VS |
2507 | if (hdr->code == TVN_SELCHANGINGW || |
2508 | hdr->code == TVN_SELCHANGEDW) | |
2509 | { | |
2510 | NM_TREEVIEWW* tv = (NM_TREEVIEWW *)lParam; | |
2511 | event.m_item = (WXHTREEITEM) tv->itemNew.hItem; | |
2512 | event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem; | |
2513 | } | |
2514 | else | |
2515 | { | |
2516 | NM_TREEVIEWA* tv = (NM_TREEVIEWA *)lParam; | |
2517 | event.m_item = (WXHTREEITEM) tv->itemNew.hItem; | |
2518 | event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem; | |
2519 | } | |
08b7c251 | 2520 | } |
696e1ea0 VZ |
2521 | break; |
2522 | ||
bf9b6266 | 2523 | #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 && !wxUSE_COMCTL32_SAFELY && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) |
696e1ea0 VZ |
2524 | case NM_CUSTOMDRAW: |
2525 | { | |
2526 | LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam; | |
2527 | NMCUSTOMDRAW& nmcd = lptvcd->nmcd; | |
d7926e0b | 2528 | switch ( nmcd.dwDrawStage ) |
696e1ea0 VZ |
2529 | { |
2530 | case CDDS_PREPAINT: | |
2531 | // if we've got any items with non standard attributes, | |
2532 | // notify us before painting each item | |
2533 | *result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW | |
2534 | : CDRF_DODEFAULT; | |
d7926e0b | 2535 | break; |
696e1ea0 VZ |
2536 | |
2537 | case CDDS_ITEMPREPAINT: | |
2538 | { | |
2539 | wxTreeItemAttr *attr = | |
2540 | (wxTreeItemAttr *)m_attrs.Get(nmcd.dwItemSpec); | |
2541 | ||
2542 | if ( !attr ) | |
2543 | { | |
2544 | // nothing to do for this item | |
d7926e0b VZ |
2545 | *result = CDRF_DODEFAULT; |
2546 | break; | |
696e1ea0 VZ |
2547 | } |
2548 | ||
2549 | HFONT hFont; | |
696e1ea0 VZ |
2550 | if ( attr->HasFont() ) |
2551 | { | |
2076893b | 2552 | hFont = GetHfontOf(attr->GetFont()); |
696e1ea0 VZ |
2553 | } |
2554 | else | |
2555 | { | |
2556 | hFont = 0; | |
2557 | } | |
2558 | ||
2076893b | 2559 | wxColour colText; |
696e1ea0 VZ |
2560 | if ( attr->HasTextColour() ) |
2561 | { | |
2562 | colText = attr->GetTextColour(); | |
2563 | } | |
2564 | else | |
2565 | { | |
2566 | colText = GetForegroundColour(); | |
2567 | } | |
2568 | ||
2569 | // selection colours should override ours | |
2570 | if ( nmcd.uItemState & CDIS_SELECTED ) | |
2571 | { | |
2076893b VZ |
2572 | lptvcd->clrTextBk = |
2573 | ::GetSysColor(COLOR_HIGHLIGHT); | |
2574 | lptvcd->clrText = | |
2575 | ::GetSysColor(COLOR_HIGHLIGHTTEXT); | |
696e1ea0 | 2576 | } |
2076893b | 2577 | else // !selected |
696e1ea0 | 2578 | { |
2076893b | 2579 | wxColour colBack; |
696e1ea0 VZ |
2580 | if ( attr->HasBackgroundColour() ) |
2581 | { | |
2582 | colBack = attr->GetBackgroundColour(); | |
2583 | } | |
2584 | else | |
2585 | { | |
2586 | colBack = GetBackgroundColour(); | |
2587 | } | |
2588 | ||
2589 | lptvcd->clrText = wxColourToRGB(colText); | |
2590 | lptvcd->clrTextBk = wxColourToRGB(colBack); | |
2591 | } | |
2592 | ||
2593 | // note that if we wanted to set colours for | |
2594 | // individual columns (subitems), we would have | |
2595 | // returned CDRF_NOTIFYSUBITEMREDRAW from here | |
2596 | if ( hFont ) | |
2597 | { | |
2598 | ::SelectObject(nmcd.hdc, hFont); | |
2599 | ||
2600 | *result = CDRF_NEWFONT; | |
2601 | } | |
2602 | else | |
2603 | { | |
2604 | *result = CDRF_DODEFAULT; | |
2605 | } | |
696e1ea0 | 2606 | } |
d7926e0b | 2607 | break; |
696e1ea0 VZ |
2608 | |
2609 | default: | |
2610 | *result = CDRF_DODEFAULT; | |
696e1ea0 VZ |
2611 | } |
2612 | } | |
d7926e0b VZ |
2613 | |
2614 | // we always process it | |
04cd30de | 2615 | return true; |
6ecfe2ac | 2616 | #endif // _WIN32_IE >= 0x300 |
08b7c251 | 2617 | |
8a000b6b VZ |
2618 | case NM_CLICK: |
2619 | { | |
2620 | DWORD pos = GetMessagePos(); | |
2621 | POINT point; | |
2622 | point.x = LOWORD(pos); | |
2623 | point.y = HIWORD(pos); | |
2624 | ::MapWindowPoints(HWND_DESKTOP, GetHwnd(), &point, 1); | |
2625 | int flags = 0; | |
2626 | wxTreeItemId item = HitTest(wxPoint(point.x, point.y), flags); | |
2627 | if (flags & wxTREE_HITTEST_ONITEMSTATEICON) | |
2628 | { | |
2629 | event.m_item = item; | |
2630 | eventType = wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK; | |
2631 | } | |
2632 | break; | |
2633 | } | |
2634 | ||
f6bcfd97 BP |
2635 | case NM_DBLCLK: |
2636 | case NM_RCLICK: | |
2637 | { | |
2638 | TV_HITTESTINFO tvhti; | |
2639 | ::GetCursorPos(&tvhti.pt); | |
2640 | ::ScreenToClient(GetHwnd(), &tvhti.pt); | |
2641 | if ( TreeView_HitTest(GetHwnd(), &tvhti) ) | |
2642 | { | |
2643 | if ( tvhti.flags & TVHT_ONITEM ) | |
2644 | { | |
2645 | event.m_item = (WXHTREEITEM) tvhti.hItem; | |
2646 | eventType = (int)hdr->code == NM_DBLCLK | |
2647 | ? wxEVT_COMMAND_TREE_ITEM_ACTIVATED | |
2648 | : wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK; | |
8591268f VZ |
2649 | |
2650 | event.m_pointDrag.x = tvhti.pt.x; | |
2651 | event.m_pointDrag.y = tvhti.pt.y; | |
f6bcfd97 BP |
2652 | } |
2653 | ||
2654 | break; | |
2655 | } | |
2656 | } | |
2657 | // fall through | |
2658 | ||
08b7c251 | 2659 | default: |
a23fd0e1 | 2660 | return wxControl::MSWOnNotify(idCtrl, lParam, result); |
2bda0e17 | 2661 | } |
08b7c251 VZ |
2662 | |
2663 | event.SetEventObject(this); | |
2664 | event.SetEventType(eventType); | |
2665 | ||
fd3f686c | 2666 | bool processed = GetEventHandler()->ProcessEvent(event); |
08b7c251 VZ |
2667 | |
2668 | // post processing | |
5ea47806 | 2669 | switch ( hdr->code ) |
2bda0e17 | 2670 | { |
f6bcfd97 BP |
2671 | case NM_DBLCLK: |
2672 | // we translate NM_DBLCLK into ACTIVATED event, so don't interpret | |
2673 | // the return code of this event handler as the return value for | |
2674 | // NM_DBLCLK - otherwise, double clicking the item to toggle its | |
2675 | // expanded status would never work | |
04cd30de | 2676 | *result = false; |
f6bcfd97 BP |
2677 | break; |
2678 | ||
23f681ec VZ |
2679 | case TVN_BEGINDRAG: |
2680 | case TVN_BEGINRDRAG: | |
2681 | if ( event.IsAllowed() ) | |
2682 | { | |
2683 | // normally this is impossible because the m_dragImage is | |
2684 | // deleted once the drag operation is over | |
2685 | wxASSERT_MSG( !m_dragImage, _T("starting to drag once again?") ); | |
2686 | ||
2687 | m_dragImage = new wxDragImage(*this, event.m_item); | |
2688 | m_dragImage->BeginDrag(wxPoint(0, 0), this); | |
68be9f09 | 2689 | m_dragImage->Show(); |
23f681ec VZ |
2690 | } |
2691 | break; | |
2692 | ||
5ea47806 VZ |
2693 | case TVN_DELETEITEM: |
2694 | { | |
2695 | // NB: we might process this message using wxWindows event | |
2696 | // tables, but due to overhead of wxWin event system we | |
2697 | // prefer to do it here ourself (otherwise deleting a tree | |
2698 | // with many items is just too slow) | |
2699 | NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam; | |
74b31181 VZ |
2700 | |
2701 | wxTreeItemId item = event.m_item; | |
2702 | if ( HasIndirectData(item) ) | |
2703 | { | |
2704 | wxTreeItemIndirectData *data = (wxTreeItemIndirectData *) | |
2705 | tv->itemOld.lParam; | |
2706 | delete data; // can't be NULL here | |
74b31181 VZ |
2707 | } |
2708 | else | |
2709 | { | |
2710 | wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam; | |
2711 | delete data; // may be NULL, ok | |
2712 | } | |
08b7c251 | 2713 | |
04cd30de | 2714 | processed = true; // Make sure we don't get called twice |
5ea47806 VZ |
2715 | } |
2716 | break; | |
2717 | ||
2718 | case TVN_BEGINLABELEDIT: | |
04cd30de | 2719 | // return true to cancel label editing |
5ea47806 | 2720 | *result = !event.IsAllowed(); |
cd6bd270 MB |
2721 | // set ES_WANTRETURN ( like we do in BeginLabelEdit ) |
2722 | if(event.IsAllowed()) | |
2723 | { | |
2724 | HWND hText = TreeView_GetEditControl(GetHwnd()); | |
2725 | if(hText != NULL) | |
2726 | { | |
2727 | // MBN: if m_textCtrl already has an HWND, it is a stale | |
2728 | // pointer from a previous edit (because the user | |
2729 | // didn't modify the label before dismissing the control, | |
2730 | // and TVN_ENDLABELEDIT was not sent), so delete it | |
2731 | if(m_textCtrl && m_textCtrl->GetHWND() != 0) | |
2732 | DeleteTextCtrl(); | |
2733 | if(!m_textCtrl) | |
2734 | m_textCtrl = new wxTextCtrl(); | |
2735 | m_textCtrl->SetParent(this); | |
2736 | m_textCtrl->SetHWND((WXHWND)hText); | |
2737 | m_textCtrl->SubclassWin((WXHWND)hText); | |
2738 | ||
2739 | // set wxTE_PROCESS_ENTER style for the text control to | |
2740 | // force it to process the Enter presses itself, otherwise | |
2741 | // they could be stolen from it by the dialog | |
2742 | // navigation code | |
2743 | m_textCtrl->SetWindowStyle(m_textCtrl->GetWindowStyle() | |
2744 | | wxTE_PROCESS_ENTER); | |
2745 | } | |
2746 | } | |
5ea47806 VZ |
2747 | break; |
2748 | ||
2749 | case TVN_ENDLABELEDIT: | |
04cd30de | 2750 | // return true to set the label to the new string: note that we |
188781db | 2751 | // also must pretend that we did process the message or it is going |
04cd30de | 2752 | // to be passed to DefWindowProc() which will happily return false |
188781db | 2753 | // cancelling the label change |
5ea47806 | 2754 | *result = event.IsAllowed(); |
04cd30de | 2755 | processed = true; |
5ea47806 VZ |
2756 | |
2757 | // ensure that we don't have the text ctrl which is going to be | |
2758 | // deleted any more | |
2759 | DeleteTextCtrl(); | |
2760 | break; | |
2761 | ||
2762 | case TVN_SELCHANGING: | |
2763 | case TVN_ITEMEXPANDING: | |
04cd30de | 2764 | // return true to prevent the action from happening |
5ea47806 VZ |
2765 | *result = !event.IsAllowed(); |
2766 | break; | |
2767 | ||
deb1de30 VZ |
2768 | case TVN_ITEMEXPANDED: |
2769 | // the item is not refreshed properly after expansion when it has | |
2770 | // an image depending on the expanded/collapsed state - bug in | |
2771 | // comctl32.dll or our code? | |
2772 | { | |
bf43d750 VZ |
2773 | NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam; |
2774 | wxTreeItemId id = (WXHTREEITEM)tv->itemNew.hItem; | |
deb1de30 | 2775 | |
bf43d750 VZ |
2776 | int image = GetItemImage(id, wxTreeItemIcon_Expanded); |
2777 | if ( image != -1 ) | |
2778 | { | |
2779 | RefreshItem(id); | |
deb1de30 VZ |
2780 | } |
2781 | } | |
2782 | break; | |
2783 | ||
74b31181 VZ |
2784 | case TVN_GETDISPINFO: |
2785 | // NB: so far the user can't set the image himself anyhow, so do it | |
2786 | // anyway - but this may change later | |
bf43d750 | 2787 | //if ( /* !processed && */ 1 ) |
74b31181 VZ |
2788 | { |
2789 | wxTreeItemId item = event.m_item; | |
2790 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
2791 | if ( info->item.mask & TVIF_IMAGE ) | |
2792 | { | |
2793 | info->item.iImage = | |
2794 | DoGetItemImageFromData | |
2795 | ( | |
2796 | item, | |
2797 | IsExpanded(item) ? wxTreeItemIcon_Expanded | |
2798 | : wxTreeItemIcon_Normal | |
2799 | ); | |
2800 | } | |
2801 | if ( info->item.mask & TVIF_SELECTEDIMAGE ) | |
2802 | { | |
2803 | info->item.iSelectedImage = | |
2804 | DoGetItemImageFromData | |
2805 | ( | |
2806 | item, | |
2807 | IsExpanded(item) ? wxTreeItemIcon_SelectedExpanded | |
2808 | : wxTreeItemIcon_Selected | |
2809 | ); | |
2810 | } | |
deb1de30 | 2811 | } |
74b31181 VZ |
2812 | break; |
2813 | ||
5ea47806 VZ |
2814 | //default: |
2815 | // for the other messages the return value is ignored and there is | |
2816 | // nothing special to do | |
2817 | } | |
fd3f686c | 2818 | return processed; |
2bda0e17 KB |
2819 | } |
2820 | ||
8a000b6b VZ |
2821 | // ---------------------------------------------------------------------------- |
2822 | // State control. | |
2823 | // ---------------------------------------------------------------------------- | |
2824 | ||
2825 | // why do they define INDEXTOSTATEIMAGEMASK but not the inverse? | |
2826 | #define STATEIMAGEMASKTOINDEX(state) (((state) & TVIS_STATEIMAGEMASK) >> 12) | |
2827 | ||
2828 | void wxTreeCtrl::SetState(const wxTreeItemId& node, int state) | |
2829 | { | |
2830 | TV_ITEM tvi; | |
2831 | tvi.hItem = (HTREEITEM)node.m_pItem; | |
2832 | tvi.mask = TVIF_STATE; | |
2833 | tvi.stateMask = TVIS_STATEIMAGEMASK; | |
2834 | ||
2835 | // Select the specified state, or -1 == cycle to the next one. | |
2836 | if ( state == -1 ) | |
2837 | { | |
2838 | TreeView_GetItem(GetHwnd(), &tvi); | |
2839 | ||
2840 | state = STATEIMAGEMASKTOINDEX(tvi.state) + 1; | |
2841 | if ( state == m_imageListState->GetImageCount() ) | |
2842 | state = 1; | |
2843 | } | |
2844 | ||
2845 | wxCHECK_RET( state < m_imageListState->GetImageCount(), | |
2846 | _T("wxTreeCtrl::SetState(): item index out of bounds") ); | |
2847 | ||
2848 | tvi.state = INDEXTOSTATEIMAGEMASK(state); | |
2849 | ||
2850 | TreeView_SetItem(GetHwnd(), &tvi); | |
2851 | } | |
2852 | ||
2853 | int wxTreeCtrl::GetState(const wxTreeItemId& node) | |
2854 | { | |
2855 | TV_ITEM tvi; | |
2856 | tvi.hItem = (HTREEITEM)node.m_pItem; | |
2857 | tvi.mask = TVIF_STATE; | |
2858 | tvi.stateMask = TVIS_STATEIMAGEMASK; | |
2859 | TreeView_GetItem(GetHwnd(), &tvi); | |
2860 | ||
2861 | return STATEIMAGEMASKTOINDEX(tvi.state); | |
2862 | } | |
2863 | ||
08b7c251 | 2864 | #endif // __WIN95__ |
2bda0e17 | 2865 | |
1e6feb95 | 2866 | #endif // wxUSE_TREECTRL |
8a000b6b | 2867 |