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b823f5a1 | 1 | ///////////////////////////////////////////////////////////////////////////// |
1e6feb95 | 2 | // Name: src/msw/treectrl.cpp |
b823f5a1 JS |
3 | // Purpose: wxTreeCtrl |
4 | // Author: Julian Smart | |
08b7c251 | 5 | // Modified by: Vadim Zeitlin to be less MSW-specific on 10.10.98 |
b823f5a1 JS |
6 | // Created: 1997 |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
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 | |
ae090fdb | 62 | #if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !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 | ||
133 | static void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = TRUE) | |
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 | { | |
149 | SelectItem(hwndTV, htItem, FALSE); | |
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, | |
162 | bool unselectOthers = TRUE) | |
163 | { | |
164 | // find the first (or last) item and select it | |
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 | ||
176 | cont = FALSE; | |
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 | ||
336 | // returns TRUE if the item is the virtual root | |
337 | #define IS_VIRTUAL_ROOT(item) (HITEM(item) == TVI_ROOT) | |
338 | ||
9dfbf520 VZ |
339 | // a class which encapsulates the tree traversal logic: it vists all (unless |
340 | // OnVisit() returns FALSE) items under the given one | |
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 | |
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); | |
353 | ||
354 | // override this function to do whatever is needed for each item, return | |
355 | // FALSE to stop traversing | |
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 | { | |
387 | return TRUE; | |
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 | ||
399 | return TRUE; | |
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 | ||
426 | return TRUE; | |
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) ) | |
547 | return FALSE; | |
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 | |
559 | if ( recursively && !Traverse(child, TRUE) ) | |
560 | return FALSE; | |
561 | ||
562 | if ( !OnVisit(child) ) | |
563 | return FALSE; | |
564 | ||
565 | child = m_tree->GetNextChild(root, cookie); | |
566 | } | |
567 | ||
568 | return TRUE; | |
569 | } | |
570 | ||
08b7c251 VZ |
571 | // ---------------------------------------------------------------------------- |
572 | // construction and destruction | |
573 | // ---------------------------------------------------------------------------- | |
574 | ||
575 | void wxTreeCtrl::Init() | |
576 | { | |
577 | m_imageListNormal = NULL; | |
578 | m_imageListState = NULL; | |
0377efa2 | 579 | m_ownsImageListNormal = m_ownsImageListState = FALSE; |
08b7c251 | 580 | m_textCtrl = NULL; |
696e1ea0 | 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 | |
9dfbf520 VZ |
604 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) |
605 | return FALSE; | |
2bda0e17 | 606 | |
5ea47806 | 607 | DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | |
b0766406 JS |
608 | TVS_SHOWSELALWAYS; |
609 | ||
610 | if ( m_windowStyle & wxCLIP_SIBLINGS ) | |
611 | wstyle |= WS_CLIPSIBLINGS; | |
2bda0e17 | 612 | |
63da7df7 JS |
613 | if ((m_windowStyle & wxTR_NO_LINES) == 0) |
614 | wstyle |= TVS_HASLINES; | |
08b7c251 VZ |
615 | if ( m_windowStyle & wxTR_HAS_BUTTONS ) |
616 | wstyle |= TVS_HASBUTTONS; | |
2bda0e17 | 617 | |
08b7c251 VZ |
618 | if ( m_windowStyle & wxTR_EDIT_LABELS ) |
619 | wstyle |= TVS_EDITLABELS; | |
2bda0e17 | 620 | |
08b7c251 VZ |
621 | if ( m_windowStyle & wxTR_LINES_AT_ROOT ) |
622 | wstyle |= TVS_LINESATROOT; | |
deb1de30 | 623 | |
c6f4913a | 624 | if ( m_windowStyle & wxTR_FULL_ROW_HIGHLIGHT ) |
deb1de30 | 625 | { |
c6f4913a VS |
626 | if ( wxTheApp->GetComCtl32Version() >= 471 ) |
627 | wstyle |= TVS_FULLROWSELECT; | |
628 | } | |
629 | ||
3f7bc32b VZ |
630 | // using TVS_CHECKBOXES for emulation of a multiselection tree control |
631 | // doesn't work without the new enough headers | |
632 | #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE && \ | |
633 | !defined( __GNUWIN32_OLD__ ) && \ | |
c42404a5 VZ |
634 | !defined( __BORLANDC__ ) && \ |
635 | !defined( __WATCOMC__ ) && \ | |
636 | (!defined(__VISUALC__) || (__VISUALC__ > 1010)) | |
a20a10fe | 637 | |
9dfbf520 VZ |
638 | // we emulate the multiple selection tree controls by using checkboxes: set |
639 | // up the image list we need for this if we do have multiple selections | |
640 | if ( m_windowStyle & wxTR_MULTIPLE ) | |
10fcf31a | 641 | wstyle |= TVS_CHECKBOXES; |
3f7bc32b | 642 | #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
9dfbf520 | 643 | |
08b7c251 | 644 | // Create the tree control. |
9dfbf520 VZ |
645 | if ( !MSWCreateControl(WC_TREEVIEW, wstyle) ) |
646 | return FALSE; | |
647 | ||
f6bcfd97 | 648 | #if wxUSE_COMCTL32_SAFELY |
a756f210 | 649 | wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); |
f6bcfd97 BP |
650 | wxWindow::SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); |
651 | #elif 1 | |
a756f210 | 652 | SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); |
f6bcfd97 | 653 | SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); |
fbdcff4a JS |
654 | #else |
655 | // This works around a bug in the Windows tree control whereby for some versions | |
656 | // of comctrl32, setting any colour actually draws the background in black. | |
657 | // This will initialise the background to the system colour. | |
f6bcfd97 BP |
658 | // THIS FIX NOW REVERTED since it caused problems on _other_ systems. |
659 | // Assume the user has an updated comctl32.dll. | |
fbdcff4a | 660 | ::SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0,-1); |
a756f210 | 661 | wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); |
f6bcfd97 | 662 | SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); |
fbdcff4a JS |
663 | #endif |
664 | ||
5aeeab14 | 665 | |
9dfbf520 VZ |
666 | // VZ: this is some experimental code which may be used to get the |
667 | // TVS_CHECKBOXES style functionality for comctl32.dll < 4.71. | |
668 | // AFAIK, the standard DLL does about the same thing anyhow. | |
669 | #if 0 | |
670 | if ( m_windowStyle & wxTR_MULTIPLE ) | |
671 | { | |
672 | wxBitmap bmp; | |
673 | ||
674 | // create the DC compatible with the current screen | |
675 | HDC hdcMem = CreateCompatibleDC(NULL); | |
676 | ||
677 | // create a mono bitmap of the standard size | |
678 | int x = GetSystemMetrics(SM_CXMENUCHECK); | |
679 | int y = GetSystemMetrics(SM_CYMENUCHECK); | |
680 | wxImageList imagelistCheckboxes(x, y, FALSE, 2); | |
681 | HBITMAP hbmpCheck = CreateBitmap(x, y, // bitmap size | |
682 | 1, // # of color planes | |
683 | 1, // # bits needed for one pixel | |
684 | 0); // array containing colour data | |
685 | SelectObject(hdcMem, hbmpCheck); | |
686 | ||
687 | // then draw a check mark into it | |
688 | RECT rect = { 0, 0, x, y }; | |
689 | if ( !::DrawFrameControl(hdcMem, &rect, | |
690 | DFC_BUTTON, | |
691 | DFCS_BUTTONCHECK | DFCS_CHECKED) ) | |
692 | { | |
223d09f6 | 693 | wxLogLastError(wxT("DrawFrameControl(check)")); |
9dfbf520 VZ |
694 | } |
695 | ||
696 | bmp.SetHBITMAP((WXHBITMAP)hbmpCheck); | |
697 | imagelistCheckboxes.Add(bmp); | |
698 | ||
699 | if ( !::DrawFrameControl(hdcMem, &rect, | |
700 | DFC_BUTTON, | |
701 | DFCS_BUTTONCHECK) ) | |
702 | { | |
223d09f6 | 703 | wxLogLastError(wxT("DrawFrameControl(uncheck)")); |
9dfbf520 VZ |
704 | } |
705 | ||
706 | bmp.SetHBITMAP((WXHBITMAP)hbmpCheck); | |
707 | imagelistCheckboxes.Add(bmp); | |
708 | ||
709 | // clean up | |
710 | ::DeleteDC(hdcMem); | |
711 | ||
712 | // set the imagelist | |
713 | SetStateImageList(&imagelistCheckboxes); | |
714 | } | |
715 | #endif // 0 | |
716 | ||
717 | SetSize(pos.x, pos.y, size.x, size.y); | |
2bda0e17 | 718 | |
08b7c251 | 719 | return TRUE; |
2bda0e17 KB |
720 | } |
721 | ||
08b7c251 | 722 | wxTreeCtrl::~wxTreeCtrl() |
2bda0e17 | 723 | { |
696e1ea0 VZ |
724 | // delete any attributes |
725 | if ( m_hasAnyAttr ) | |
726 | { | |
727 | for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() ) | |
728 | { | |
729 | delete (wxTreeItemAttr *)node->Data(); | |
730 | } | |
731 | ||
732 | // prevent TVN_DELETEITEM handler from deleting the attributes again! | |
733 | m_hasAnyAttr = FALSE; | |
734 | } | |
735 | ||
08b7c251 | 736 | DeleteTextCtrl(); |
2bda0e17 | 737 | |
08b7c251 | 738 | // delete user data to prevent memory leaks |
a9c1265f | 739 | // also deletes hidden root node storage. |
08b7c251 | 740 | DeleteAllItems(); |
33ac7e6f | 741 | |
0377efa2 VS |
742 | if (m_ownsImageListNormal) delete m_imageListNormal; |
743 | if (m_ownsImageListState) delete m_imageListState; | |
2bda0e17 KB |
744 | } |
745 | ||
08b7c251 VZ |
746 | // ---------------------------------------------------------------------------- |
747 | // accessors | |
748 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 749 | |
08b7c251 | 750 | // simple wrappers which add error checking in debug mode |
2bda0e17 | 751 | |
08b7c251 | 752 | bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const |
2bda0e17 | 753 | { |
a9c1265f VZ |
754 | wxCHECK_MSG( tvItem->hItem != TVI_ROOT, FALSE, |
755 | _T("can't retrieve virtual root item") ); | |
756 | ||
d220ae32 | 757 | if ( !TreeView_GetItem(GetHwnd(), tvItem) ) |
2bda0e17 | 758 | { |
f6bcfd97 | 759 | wxLogLastError(wxT("TreeView_GetItem")); |
08b7c251 VZ |
760 | |
761 | return FALSE; | |
762 | } | |
763 | ||
764 | return TRUE; | |
2bda0e17 KB |
765 | } |
766 | ||
08b7c251 | 767 | void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem) |
2bda0e17 | 768 | { |
d220ae32 | 769 | if ( TreeView_SetItem(GetHwnd(), tvItem) == -1 ) |
2bda0e17 | 770 | { |
f6bcfd97 | 771 | wxLogLastError(wxT("TreeView_SetItem")); |
08b7c251 | 772 | } |
2bda0e17 KB |
773 | } |
774 | ||
08b7c251 | 775 | size_t wxTreeCtrl::GetCount() const |
2bda0e17 | 776 | { |
d220ae32 | 777 | return (size_t)TreeView_GetCount(GetHwnd()); |
2bda0e17 KB |
778 | } |
779 | ||
08b7c251 | 780 | unsigned int wxTreeCtrl::GetIndent() const |
2bda0e17 | 781 | { |
d220ae32 | 782 | return TreeView_GetIndent(GetHwnd()); |
2bda0e17 KB |
783 | } |
784 | ||
08b7c251 | 785 | void wxTreeCtrl::SetIndent(unsigned int indent) |
2bda0e17 | 786 | { |
d220ae32 | 787 | TreeView_SetIndent(GetHwnd(), indent); |
2bda0e17 KB |
788 | } |
789 | ||
08b7c251 | 790 | wxImageList *wxTreeCtrl::GetImageList() const |
2bda0e17 | 791 | { |
08b7c251 | 792 | return m_imageListNormal; |
2bda0e17 KB |
793 | } |
794 | ||
08b7c251 | 795 | wxImageList *wxTreeCtrl::GetStateImageList() const |
2bda0e17 | 796 | { |
08b7c251 | 797 | return m_imageListNormal; |
2bda0e17 KB |
798 | } |
799 | ||
08b7c251 | 800 | void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which) |
2bda0e17 | 801 | { |
08b7c251 | 802 | // no error return |
d220ae32 | 803 | TreeView_SetImageList(GetHwnd(), |
08b7c251 VZ |
804 | imageList ? imageList->GetHIMAGELIST() : 0, |
805 | which); | |
2bda0e17 KB |
806 | } |
807 | ||
08b7c251 | 808 | void wxTreeCtrl::SetImageList(wxImageList *imageList) |
2bda0e17 | 809 | { |
a9c1265f VZ |
810 | if (m_ownsImageListNormal) |
811 | delete m_imageListNormal; | |
812 | ||
08b7c251 | 813 | SetAnyImageList(m_imageListNormal = imageList, TVSIL_NORMAL); |
0377efa2 | 814 | m_ownsImageListNormal = FALSE; |
2bda0e17 KB |
815 | } |
816 | ||
08b7c251 | 817 | void wxTreeCtrl::SetStateImageList(wxImageList *imageList) |
2bda0e17 | 818 | { |
0377efa2 | 819 | if (m_ownsImageListState) delete m_imageListState; |
08b7c251 | 820 | SetAnyImageList(m_imageListState = imageList, TVSIL_STATE); |
0377efa2 VS |
821 | m_ownsImageListState = FALSE; |
822 | } | |
823 | ||
824 | void wxTreeCtrl::AssignImageList(wxImageList *imageList) | |
825 | { | |
826 | SetImageList(imageList); | |
827 | m_ownsImageListNormal = TRUE; | |
828 | } | |
829 | ||
830 | void wxTreeCtrl::AssignStateImageList(wxImageList *imageList) | |
831 | { | |
832 | SetStateImageList(imageList); | |
833 | m_ownsImageListState = TRUE; | |
2bda0e17 KB |
834 | } |
835 | ||
33961d59 RR |
836 | size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, |
837 | bool recursively) const | |
838 | { | |
839 | TraverseCounter counter(this, item, recursively); | |
23fd5130 | 840 | |
73974df1 | 841 | return counter.GetCount() - 1; |
23fd5130 VZ |
842 | } |
843 | ||
bb448552 VZ |
844 | // ---------------------------------------------------------------------------- |
845 | // control colours | |
846 | // ---------------------------------------------------------------------------- | |
847 | ||
848 | bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour) | |
849 | { | |
f6bcfd97 | 850 | #if !wxUSE_COMCTL32_SAFELY |
bb448552 VZ |
851 | if ( !wxWindowBase::SetBackgroundColour(colour) ) |
852 | return FALSE; | |
853 | ||
854 | SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel()); | |
f6bcfd97 | 855 | #endif |
bb448552 VZ |
856 | |
857 | return TRUE; | |
858 | } | |
859 | ||
860 | bool wxTreeCtrl::SetForegroundColour(const wxColour &colour) | |
861 | { | |
f6bcfd97 | 862 | #if !wxUSE_COMCTL32_SAFELY |
bb448552 VZ |
863 | if ( !wxWindowBase::SetForegroundColour(colour) ) |
864 | return FALSE; | |
865 | ||
866 | SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel()); | |
f6bcfd97 | 867 | #endif |
bb448552 VZ |
868 | |
869 | return TRUE; | |
870 | } | |
871 | ||
08b7c251 VZ |
872 | // ---------------------------------------------------------------------------- |
873 | // Item access | |
874 | // ---------------------------------------------------------------------------- | |
875 | ||
876 | wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const | |
2bda0e17 | 877 | { |
837e5743 | 878 | wxChar buf[512]; // the size is arbitrary... |
02ce7b72 | 879 | |
08b7c251 VZ |
880 | wxTreeViewItem tvItem(item, TVIF_TEXT); |
881 | tvItem.pszText = buf; | |
882 | tvItem.cchTextMax = WXSIZEOF(buf); | |
883 | if ( !DoGetItem(&tvItem) ) | |
884 | { | |
885 | // don't return some garbage which was on stack, but an empty string | |
223d09f6 | 886 | buf[0] = wxT('\0'); |
08b7c251 | 887 | } |
2bda0e17 | 888 | |
08b7c251 VZ |
889 | return wxString(buf); |
890 | } | |
2bda0e17 | 891 | |
08b7c251 VZ |
892 | void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) |
893 | { | |
a9c1265f VZ |
894 | if ( IS_VIRTUAL_ROOT(item) ) |
895 | return; | |
896 | ||
08b7c251 | 897 | wxTreeViewItem tvItem(item, TVIF_TEXT); |
837e5743 | 898 | tvItem.pszText = (wxChar *)text.c_str(); // conversion is ok |
08b7c251 | 899 | DoSetItem(&tvItem); |
44fbc477 VZ |
900 | |
901 | // when setting the text of the item being edited, the text control should | |
902 | // be updated to reflect the new text as well, otherwise calling | |
903 | // SetItemText() in the OnBeginLabelEdit() handler doesn't have any effect | |
904 | // | |
905 | // don't use GetEditControl() here because m_textCtrl is not set yet | |
906 | HWND hwndEdit = TreeView_GetEditControl(GetHwnd()); | |
907 | if ( hwndEdit ) | |
908 | { | |
909 | if ( item == GetSelection() ) | |
910 | { | |
911 | ::SetWindowText(hwndEdit, text); | |
912 | } | |
913 | } | |
08b7c251 | 914 | } |
2bda0e17 | 915 | |
74b31181 VZ |
916 | int wxTreeCtrl::DoGetItemImageFromData(const wxTreeItemId& item, |
917 | wxTreeItemIcon which) const | |
918 | { | |
919 | wxTreeViewItem tvItem(item, TVIF_PARAM); | |
920 | if ( !DoGetItem(&tvItem) ) | |
921 | { | |
922 | return -1; | |
923 | } | |
924 | ||
925 | return ((wxTreeItemIndirectData *)tvItem.lParam)->GetImage(which); | |
926 | } | |
927 | ||
928 | void wxTreeCtrl::DoSetItemImageFromData(const wxTreeItemId& item, | |
929 | int image, | |
930 | wxTreeItemIcon which) const | |
931 | { | |
932 | wxTreeViewItem tvItem(item, TVIF_PARAM); | |
933 | if ( !DoGetItem(&tvItem) ) | |
934 | { | |
935 | return; | |
936 | } | |
937 | ||
938 | wxTreeItemIndirectData *data = ((wxTreeItemIndirectData *)tvItem.lParam); | |
939 | ||
940 | data->SetImage(image, which); | |
941 | ||
942 | // make sure that we have selected images as well | |
943 | if ( which == wxTreeItemIcon_Normal && | |
944 | !data->HasImage(wxTreeItemIcon_Selected) ) | |
945 | { | |
946 | data->SetImage(image, wxTreeItemIcon_Selected); | |
947 | } | |
948 | ||
949 | if ( which == wxTreeItemIcon_Expanded && | |
950 | !data->HasImage(wxTreeItemIcon_SelectedExpanded) ) | |
951 | { | |
952 | data->SetImage(image, wxTreeItemIcon_SelectedExpanded); | |
953 | } | |
954 | } | |
955 | ||
9dfbf520 VZ |
956 | void wxTreeCtrl::DoSetItemImages(const wxTreeItemId& item, |
957 | int image, | |
958 | int imageSel) | |
959 | { | |
960 | wxTreeViewItem tvItem(item, TVIF_IMAGE | TVIF_SELECTEDIMAGE); | |
961 | tvItem.iSelectedImage = imageSel; | |
962 | tvItem.iImage = image; | |
963 | DoSetItem(&tvItem); | |
964 | } | |
965 | ||
74b31181 VZ |
966 | int wxTreeCtrl::GetItemImage(const wxTreeItemId& item, |
967 | wxTreeItemIcon which) const | |
08b7c251 | 968 | { |
a9c1265f VZ |
969 | if ( (HITEM(item) == TVI_ROOT) && (m_windowStyle & wxTR_HIDE_ROOT) ) |
970 | { | |
971 | // TODO: Maybe a hidden root can still provide images? | |
972 | return -1; | |
973 | } | |
974 | ||
74b31181 VZ |
975 | if ( HasIndirectData(item) ) |
976 | { | |
977 | return DoGetItemImageFromData(item, which); | |
978 | } | |
2bda0e17 | 979 | |
74b31181 VZ |
980 | UINT mask; |
981 | switch ( which ) | |
982 | { | |
983 | default: | |
223d09f6 | 984 | wxFAIL_MSG( wxT("unknown tree item image type") ); |
2bda0e17 | 985 | |
74b31181 VZ |
986 | case wxTreeItemIcon_Normal: |
987 | mask = TVIF_IMAGE; | |
988 | break; | |
2bda0e17 | 989 | |
74b31181 VZ |
990 | case wxTreeItemIcon_Selected: |
991 | mask = TVIF_SELECTEDIMAGE; | |
992 | break; | |
993 | ||
994 | case wxTreeItemIcon_Expanded: | |
995 | case wxTreeItemIcon_SelectedExpanded: | |
996 | return -1; | |
997 | } | |
998 | ||
999 | wxTreeViewItem tvItem(item, mask); | |
08b7c251 | 1000 | DoGetItem(&tvItem); |
2bda0e17 | 1001 | |
74b31181 | 1002 | return mask == TVIF_IMAGE ? tvItem.iImage : tvItem.iSelectedImage; |
2bda0e17 KB |
1003 | } |
1004 | ||
74b31181 VZ |
1005 | void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image, |
1006 | wxTreeItemIcon which) | |
2bda0e17 | 1007 | { |
a9c1265f VZ |
1008 | if ( IS_VIRTUAL_ROOT(item) ) |
1009 | { | |
1010 | // TODO: Maybe a hidden root can still store images? | |
1011 | return; | |
1012 | } | |
1013 | ||
74b31181 VZ |
1014 | int imageNormal, imageSel; |
1015 | switch ( which ) | |
1016 | { | |
1017 | default: | |
223d09f6 | 1018 | wxFAIL_MSG( wxT("unknown tree item image type") ); |
74b31181 VZ |
1019 | |
1020 | case wxTreeItemIcon_Normal: | |
1021 | imageNormal = image; | |
1022 | imageSel = GetItemSelectedImage(item); | |
1023 | break; | |
1024 | ||
1025 | case wxTreeItemIcon_Selected: | |
1026 | imageNormal = GetItemImage(item); | |
1027 | imageSel = image; | |
1028 | break; | |
1029 | ||
1030 | case wxTreeItemIcon_Expanded: | |
1031 | case wxTreeItemIcon_SelectedExpanded: | |
1032 | if ( !HasIndirectData(item) ) | |
1033 | { | |
1034 | // we need to get the old images first, because after we create | |
1035 | // the wxTreeItemIndirectData GetItemXXXImage() will use it to | |
1036 | // get the images | |
1037 | imageNormal = GetItemImage(item); | |
1038 | imageSel = GetItemSelectedImage(item); | |
1039 | ||
1040 | // if it doesn't have it yet, add it | |
1041 | wxTreeItemIndirectData *data = new | |
1042 | wxTreeItemIndirectData(this, item); | |
1043 | ||
1044 | // copy the data to the new location | |
1045 | data->SetImage(imageNormal, wxTreeItemIcon_Normal); | |
1046 | data->SetImage(imageSel, wxTreeItemIcon_Selected); | |
1047 | } | |
1048 | ||
1049 | DoSetItemImageFromData(item, image, which); | |
1050 | ||
1051 | // reset the normal/selected images because we won't use them any | |
1052 | // more - now they're stored inside the indirect data | |
1053 | imageNormal = | |
1054 | imageSel = I_IMAGECALLBACK; | |
1055 | break; | |
1056 | } | |
1057 | ||
9dfbf520 VZ |
1058 | // NB: at least in version 5.00.0518.9 of comctl32.dll we need to always |
1059 | // change both normal and selected image - otherwise the change simply | |
1060 | // doesn't take place! | |
74b31181 | 1061 | DoSetItemImages(item, imageNormal, imageSel); |
2bda0e17 KB |
1062 | } |
1063 | ||
08b7c251 | 1064 | wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const |
2bda0e17 | 1065 | { |
08b7c251 | 1066 | wxTreeViewItem tvItem(item, TVIF_PARAM); |
a9c1265f VZ |
1067 | |
1068 | // Hidden root may have data. | |
1069 | if ( IS_VIRTUAL_ROOT(item) ) | |
1070 | { | |
1071 | return GET_VIRTUAL_ROOT()->GetData(); | |
1072 | } | |
1073 | ||
1074 | // Visible node. | |
08b7c251 VZ |
1075 | if ( !DoGetItem(&tvItem) ) |
1076 | { | |
1077 | return NULL; | |
1078 | } | |
2bda0e17 | 1079 | |
502a2b18 VZ |
1080 | wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam; |
1081 | if ( IsDataIndirect(data) ) | |
74b31181 | 1082 | { |
502a2b18 | 1083 | data = ((wxTreeItemIndirectData *)data)->GetData(); |
74b31181 | 1084 | } |
502a2b18 VZ |
1085 | |
1086 | return data; | |
2bda0e17 KB |
1087 | } |
1088 | ||
08b7c251 | 1089 | void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data) |
2bda0e17 | 1090 | { |
a9c1265f VZ |
1091 | if ( IS_VIRTUAL_ROOT(item) ) |
1092 | { | |
1093 | GET_VIRTUAL_ROOT()->SetData(data); | |
1094 | } | |
1095 | ||
188781db VZ |
1096 | // first, associate this piece of data with this item |
1097 | if ( data ) | |
1098 | { | |
1099 | data->SetId(item); | |
1100 | } | |
1101 | ||
08b7c251 | 1102 | wxTreeViewItem tvItem(item, TVIF_PARAM); |
74b31181 VZ |
1103 | |
1104 | if ( HasIndirectData(item) ) | |
1105 | { | |
1106 | if ( DoGetItem(&tvItem) ) | |
1107 | { | |
1108 | ((wxTreeItemIndirectData *)tvItem.lParam)->SetData(data); | |
1109 | } | |
1110 | else | |
1111 | { | |
223d09f6 | 1112 | wxFAIL_MSG( wxT("failed to change tree items data") ); |
74b31181 VZ |
1113 | } |
1114 | } | |
1115 | else | |
1116 | { | |
1117 | tvItem.lParam = (LPARAM)data; | |
1118 | DoSetItem(&tvItem); | |
1119 | } | |
1120 | } | |
1121 | ||
1122 | void wxTreeCtrl::SetIndirectItemData(const wxTreeItemId& item, | |
1123 | wxTreeItemIndirectData *data) | |
1124 | { | |
1125 | // this should never happen because it's unnecessary and will probably lead | |
1126 | // to crash too because the code elsewhere supposes that the pointer the | |
1127 | // wxTreeItemIndirectData has is a real wxItemData and not | |
1128 | // wxTreeItemIndirectData as well | |
223d09f6 | 1129 | wxASSERT_MSG( !HasIndirectData(item), wxT("setting indirect data twice?") ); |
74b31181 | 1130 | |
502a2b18 | 1131 | SetItemData(item, data); |
74b31181 VZ |
1132 | } |
1133 | ||
1134 | bool wxTreeCtrl::HasIndirectData(const wxTreeItemId& item) const | |
1135 | { | |
502a2b18 VZ |
1136 | // query the item itself |
1137 | wxTreeViewItem tvItem(item, TVIF_PARAM); | |
1138 | if ( !DoGetItem(&tvItem) ) | |
1139 | { | |
1140 | return FALSE; | |
1141 | } | |
1142 | ||
1143 | wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam; | |
1144 | ||
1145 | return data && IsDataIndirect(data); | |
08b7c251 | 1146 | } |
2bda0e17 | 1147 | |
3a5a2f56 VZ |
1148 | void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) |
1149 | { | |
a9c1265f VZ |
1150 | if ( IS_VIRTUAL_ROOT(item) ) |
1151 | return; | |
1152 | ||
3a5a2f56 VZ |
1153 | wxTreeViewItem tvItem(item, TVIF_CHILDREN); |
1154 | tvItem.cChildren = (int)has; | |
1155 | DoSetItem(&tvItem); | |
1156 | } | |
1157 | ||
add28c55 VZ |
1158 | void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold) |
1159 | { | |
a9c1265f VZ |
1160 | if ( IS_VIRTUAL_ROOT(item) ) |
1161 | return; | |
1162 | ||
add28c55 VZ |
1163 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_BOLD); |
1164 | tvItem.state = bold ? TVIS_BOLD : 0; | |
1165 | DoSetItem(&tvItem); | |
1166 | } | |
1167 | ||
58a8ab88 JS |
1168 | void wxTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item, bool highlight) |
1169 | { | |
a9c1265f VZ |
1170 | if ( IS_VIRTUAL_ROOT(item) ) |
1171 | return; | |
1172 | ||
58a8ab88 JS |
1173 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_DROPHILITED); |
1174 | tvItem.state = highlight ? TVIS_DROPHILITED : 0; | |
1175 | DoSetItem(&tvItem); | |
1176 | } | |
1177 | ||
d00407b2 VZ |
1178 | void wxTreeCtrl::RefreshItem(const wxTreeItemId& item) |
1179 | { | |
a9c1265f VZ |
1180 | if ( IS_VIRTUAL_ROOT(item) ) |
1181 | return; | |
1182 | ||
d00407b2 VZ |
1183 | wxRect rect; |
1184 | if ( GetBoundingRect(item, rect) ) | |
1185 | { | |
1186 | RefreshRect(rect); | |
1187 | } | |
1188 | } | |
1189 | ||
2b5f62a0 VZ |
1190 | wxColour wxTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const |
1191 | { | |
1192 | long id = (long)(WXHTREEITEM)item; | |
1193 | wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); | |
1194 | if ( !attr ) | |
1195 | { | |
1196 | return wxNullColour; | |
1197 | } | |
1198 | ||
1199 | return attr->GetTextColour(); | |
1200 | } | |
1201 | ||
1202 | wxColour wxTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& item) const | |
1203 | { | |
1204 | long id = (long)(WXHTREEITEM)item; | |
1205 | wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); | |
1206 | if ( !attr ) | |
1207 | { | |
1208 | return wxNullColour; | |
1209 | } | |
1210 | ||
1211 | return attr->GetBackgroundColour(); | |
1212 | } | |
1213 | ||
1214 | wxFont wxTreeCtrl::GetItemFont(const wxTreeItemId& item) const | |
1215 | { | |
1216 | long id = (long)(WXHTREEITEM)item; | |
1217 | wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); | |
1218 | if ( !attr ) | |
1219 | { | |
1220 | return wxNullFont; | |
1221 | } | |
1222 | ||
1223 | return attr->GetFont(); | |
1224 | } | |
1225 | ||
696e1ea0 VZ |
1226 | void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item, |
1227 | const wxColour& col) | |
1228 | { | |
1229 | m_hasAnyAttr = TRUE; | |
1230 | ||
1231 | long id = (long)(WXHTREEITEM)item; | |
1232 | wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); | |
1233 | if ( !attr ) | |
1234 | { | |
1235 | attr = new wxTreeItemAttr; | |
1236 | m_attrs.Put(id, (wxObject *)attr); | |
1237 | } | |
1238 | ||
1239 | attr->SetTextColour(col); | |
d00407b2 VZ |
1240 | |
1241 | RefreshItem(item); | |
696e1ea0 VZ |
1242 | } |
1243 | ||
1244 | void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item, | |
1245 | const wxColour& col) | |
1246 | { | |
1247 | m_hasAnyAttr = TRUE; | |
1248 | ||
1249 | long id = (long)(WXHTREEITEM)item; | |
1250 | wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); | |
1251 | if ( !attr ) | |
1252 | { | |
1253 | attr = new wxTreeItemAttr; | |
1254 | m_attrs.Put(id, (wxObject *)attr); | |
1255 | } | |
1256 | ||
1257 | attr->SetBackgroundColour(col); | |
d00407b2 VZ |
1258 | |
1259 | RefreshItem(item); | |
696e1ea0 VZ |
1260 | } |
1261 | ||
1262 | void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font) | |
1263 | { | |
1264 | m_hasAnyAttr = TRUE; | |
1265 | ||
1266 | long id = (long)(WXHTREEITEM)item; | |
1267 | wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); | |
1268 | if ( !attr ) | |
1269 | { | |
1270 | attr = new wxTreeItemAttr; | |
1271 | m_attrs.Put(id, (wxObject *)attr); | |
1272 | } | |
1273 | ||
1274 | attr->SetFont(font); | |
d00407b2 VZ |
1275 | |
1276 | RefreshItem(item); | |
696e1ea0 VZ |
1277 | } |
1278 | ||
08b7c251 VZ |
1279 | // ---------------------------------------------------------------------------- |
1280 | // Item status | |
1281 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 1282 | |
08b7c251 VZ |
1283 | bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const |
1284 | { | |
2b5f62a0 VZ |
1285 | if ( item == wxTreeItemId(TVI_ROOT) ) |
1286 | { | |
1287 | // virtual (hidden) root is never visible | |
1288 | return FALSE; | |
1289 | } | |
1290 | ||
add28c55 | 1291 | // Bug in Gnu-Win32 headers, so don't use the macro TreeView_GetItemRect |
08b7c251 | 1292 | RECT rect; |
955be36c VZ |
1293 | |
1294 | // this ugliness comes directly from MSDN - it *is* the correct way to pass | |
1295 | // the HTREEITEM with TVM_GETITEMRECT | |
1296 | *(WXHTREEITEM *)&rect = (WXHTREEITEM)item; | |
1297 | ||
1298 | // FALSE means get item rect for the whole item, not only text | |
1c74a900 | 1299 | return SendMessage(GetHwnd(), TVM_GETITEMRECT, FALSE, (LPARAM)&rect) != 0; |
2bda0e17 KB |
1300 | } |
1301 | ||
08b7c251 | 1302 | bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const |
2bda0e17 | 1303 | { |
08b7c251 VZ |
1304 | wxTreeViewItem tvItem(item, TVIF_CHILDREN); |
1305 | DoGetItem(&tvItem); | |
2bda0e17 | 1306 | |
08b7c251 | 1307 | return tvItem.cChildren != 0; |
2bda0e17 KB |
1308 | } |
1309 | ||
08b7c251 | 1310 | bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const |
2bda0e17 | 1311 | { |
08b7c251 VZ |
1312 | // probably not a good idea to put it here |
1313 | //wxASSERT( ItemHasChildren(item) ); | |
2bda0e17 | 1314 | |
08b7c251 VZ |
1315 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDED); |
1316 | DoGetItem(&tvItem); | |
2bda0e17 | 1317 | |
08b7c251 | 1318 | return (tvItem.state & TVIS_EXPANDED) != 0; |
2bda0e17 KB |
1319 | } |
1320 | ||
08b7c251 | 1321 | bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const |
2bda0e17 | 1322 | { |
08b7c251 VZ |
1323 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_SELECTED); |
1324 | DoGetItem(&tvItem); | |
2bda0e17 | 1325 | |
08b7c251 | 1326 | return (tvItem.state & TVIS_SELECTED) != 0; |
2bda0e17 KB |
1327 | } |
1328 | ||
add28c55 VZ |
1329 | bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const |
1330 | { | |
1331 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_BOLD); | |
1332 | DoGetItem(&tvItem); | |
1333 | ||
1334 | return (tvItem.state & TVIS_BOLD) != 0; | |
1335 | } | |
1336 | ||
08b7c251 VZ |
1337 | // ---------------------------------------------------------------------------- |
1338 | // navigation | |
1339 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 1340 | |
08b7c251 VZ |
1341 | wxTreeItemId wxTreeCtrl::GetRootItem() const |
1342 | { | |
a9c1265f VZ |
1343 | // Root may be real (visible) or virtual (hidden). |
1344 | if ( GET_VIRTUAL_ROOT() ) | |
1345 | return TVI_ROOT; | |
1346 | ||
d220ae32 | 1347 | return wxTreeItemId((WXHTREEITEM) TreeView_GetRoot(GetHwnd())); |
08b7c251 | 1348 | } |
2bda0e17 | 1349 | |
08b7c251 VZ |
1350 | wxTreeItemId wxTreeCtrl::GetSelection() const |
1351 | { | |
ad90972f | 1352 | wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (long)(WXHTREEITEM)0, |
223d09f6 | 1353 | wxT("this only works with single selection controls") ); |
9dfbf520 | 1354 | |
d220ae32 | 1355 | return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd())); |
2bda0e17 KB |
1356 | } |
1357 | ||
99006e44 | 1358 | wxTreeItemId wxTreeCtrl::GetItemParent(const wxTreeItemId& item) const |
2bda0e17 | 1359 | { |
c9b142c9 VZ |
1360 | HTREEITEM hItem; |
1361 | ||
1362 | if ( IS_VIRTUAL_ROOT(item) ) | |
1363 | { | |
1364 | // no parent for the virtual root | |
1365 | hItem = 0; | |
1366 | } | |
1367 | else // normal item | |
a9c1265f | 1368 | { |
c9b142c9 VZ |
1369 | hItem = TreeView_GetParent(GetHwnd(), HITEM(item)); |
1370 | if ( !hItem && HasFlag(wxTR_HIDE_ROOT) ) | |
1371 | { | |
1372 | // the top level items should have the virtual root as their parent | |
1373 | hItem = TVI_ROOT; | |
1374 | } | |
a9c1265f VZ |
1375 | } |
1376 | ||
1377 | return wxTreeItemId((WXHTREEITEM)hItem); | |
08b7c251 | 1378 | } |
2bda0e17 | 1379 | |
08b7c251 | 1380 | wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, |
06e38c8e | 1381 | long& _cookie) const |
08b7c251 VZ |
1382 | { |
1383 | // remember the last child returned in 'cookie' | |
3f7bc32b | 1384 | _cookie = (long)TreeView_GetChild(GetHwnd(), HITEM(item)); |
2bda0e17 | 1385 | |
06e38c8e | 1386 | return wxTreeItemId((WXHTREEITEM)_cookie); |
2bda0e17 KB |
1387 | } |
1388 | ||
08b7c251 | 1389 | wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item), |
06e38c8e | 1390 | long& _cookie) const |
2bda0e17 | 1391 | { |
d220ae32 | 1392 | wxTreeItemId l = wxTreeItemId((WXHTREEITEM)TreeView_GetNextSibling(GetHwnd(), |
3f7bc32b | 1393 | HITEM(_cookie))); |
23fd5130 VZ |
1394 | _cookie = (long)l; |
1395 | ||
2e5dddb0 | 1396 | return l; |
08b7c251 | 1397 | } |
2bda0e17 | 1398 | |
978f38c2 VZ |
1399 | wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const |
1400 | { | |
1401 | // can this be done more efficiently? | |
1402 | long cookie; | |
1403 | ||
1404 | wxTreeItemId childLast, | |
2165ad93 | 1405 | child = GetFirstChild(item, cookie); |
978f38c2 VZ |
1406 | while ( child.IsOk() ) |
1407 | { | |
1408 | childLast = child; | |
2165ad93 | 1409 | child = GetNextChild(item, cookie); |
978f38c2 VZ |
1410 | } |
1411 | ||
1412 | return childLast; | |
1413 | } | |
1414 | ||
08b7c251 VZ |
1415 | wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const |
1416 | { | |
3f7bc32b | 1417 | return wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(GetHwnd(), HITEM(item))); |
2bda0e17 KB |
1418 | } |
1419 | ||
08b7c251 | 1420 | wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const |
2bda0e17 | 1421 | { |
3f7bc32b | 1422 | return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevSibling(GetHwnd(), HITEM(item))); |
2bda0e17 KB |
1423 | } |
1424 | ||
08b7c251 | 1425 | wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const |
2bda0e17 | 1426 | { |
d220ae32 | 1427 | return wxTreeItemId((WXHTREEITEM) TreeView_GetFirstVisible(GetHwnd())); |
2bda0e17 KB |
1428 | } |
1429 | ||
08b7c251 | 1430 | wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const |
2bda0e17 | 1431 | { |
f6bcfd97 | 1432 | wxASSERT_MSG( IsVisible(item), wxT("The item you call GetNextVisible() for must be visible itself!")); |
02ce7b72 | 1433 | |
3f7bc32b | 1434 | return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(GetHwnd(), HITEM(item))); |
08b7c251 | 1435 | } |
02ce7b72 | 1436 | |
08b7c251 VZ |
1437 | wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const |
1438 | { | |
f6bcfd97 | 1439 | wxASSERT_MSG( IsVisible(item), wxT("The item you call GetPrevVisible() for must be visible itself!")); |
02ce7b72 | 1440 | |
3f7bc32b | 1441 | return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(GetHwnd(), HITEM(item))); |
08b7c251 | 1442 | } |
02ce7b72 | 1443 | |
9dfbf520 VZ |
1444 | // ---------------------------------------------------------------------------- |
1445 | // multiple selections emulation | |
1446 | // ---------------------------------------------------------------------------- | |
1447 | ||
1448 | bool wxTreeCtrl::IsItemChecked(const wxTreeItemId& item) const | |
1449 | { | |
1450 | // receive the desired information. | |
1451 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK); | |
1452 | DoGetItem(&tvItem); | |
1453 | ||
1454 | // state image indices are 1 based | |
1455 | return ((tvItem.state >> 12) - 1) == 1; | |
1456 | } | |
1457 | ||
1458 | void wxTreeCtrl::SetItemCheck(const wxTreeItemId& item, bool check) | |
1459 | { | |
1460 | // receive the desired information. | |
1461 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK); | |
1462 | ||
a9c1265f VZ |
1463 | DoGetItem(&tvItem); |
1464 | ||
9dfbf520 VZ |
1465 | // state images are one-based |
1466 | tvItem.state = (check ? 2 : 1) << 12; | |
1467 | ||
1468 | DoSetItem(&tvItem); | |
1469 | } | |
1470 | ||
33961d59 RR |
1471 | size_t wxTreeCtrl::GetSelections(wxArrayTreeItemIds& selections) const |
1472 | { | |
1473 | TraverseSelections selector(this, selections); | |
9dfbf520 | 1474 | |
e47c4d48 | 1475 | return selector.GetCount(); |
9dfbf520 VZ |
1476 | } |
1477 | ||
08b7c251 VZ |
1478 | // ---------------------------------------------------------------------------- |
1479 | // Usual operations | |
1480 | // ---------------------------------------------------------------------------- | |
02ce7b72 | 1481 | |
08b7c251 VZ |
1482 | wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent, |
1483 | wxTreeItemId hInsertAfter, | |
1484 | const wxString& text, | |
1485 | int image, int selectedImage, | |
1486 | wxTreeItemData *data) | |
1487 | { | |
0e935169 VZ |
1488 | wxCHECK_MSG( parent.IsOk() || !TreeView_GetRoot(GetHwnd()), |
1489 | wxTreeItemId(), | |
1490 | _T("can't have more than one root in the tree") ); | |
1491 | ||
08b7c251 | 1492 | TV_INSERTSTRUCT tvIns; |
3f7bc32b VZ |
1493 | tvIns.hParent = HITEM(parent); |
1494 | tvIns.hInsertAfter = HITEM(hInsertAfter); | |
58a8ab88 | 1495 | |
74b31181 VZ |
1496 | // this is how we insert the item as the first child: supply a NULL |
1497 | // hInsertAfter | |
1498 | if ( !tvIns.hInsertAfter ) | |
58a8ab88 JS |
1499 | { |
1500 | tvIns.hInsertAfter = TVI_FIRST; | |
1501 | } | |
1502 | ||
08b7c251 VZ |
1503 | UINT mask = 0; |
1504 | if ( !text.IsEmpty() ) | |
1505 | { | |
1506 | mask |= TVIF_TEXT; | |
837e5743 | 1507 | tvIns.item.pszText = (wxChar *)text.c_str(); // cast is ok |
08b7c251 | 1508 | } |
f6bcfd97 BP |
1509 | else |
1510 | { | |
1511 | tvIns.item.pszText = NULL; | |
1512 | tvIns.item.cchTextMax = 0; | |
1513 | } | |
02ce7b72 | 1514 | |
08b7c251 VZ |
1515 | if ( image != -1 ) |
1516 | { | |
1517 | mask |= TVIF_IMAGE; | |
1518 | tvIns.item.iImage = image; | |
3a5a2f56 | 1519 | |
6b037754 | 1520 | if ( selectedImage == -1 ) |
3a5a2f56 VZ |
1521 | { |
1522 | // take the same image for selected icon if not specified | |
1523 | selectedImage = image; | |
1524 | } | |
08b7c251 | 1525 | } |
02ce7b72 | 1526 | |
08b7c251 VZ |
1527 | if ( selectedImage != -1 ) |
1528 | { | |
1529 | mask |= TVIF_SELECTEDIMAGE; | |
1530 | tvIns.item.iSelectedImage = selectedImage; | |
1531 | } | |
02ce7b72 | 1532 | |
08b7c251 VZ |
1533 | if ( data != NULL ) |
1534 | { | |
1535 | mask |= TVIF_PARAM; | |
1536 | tvIns.item.lParam = (LPARAM)data; | |
1537 | } | |
02ce7b72 | 1538 | |
08b7c251 | 1539 | tvIns.item.mask = mask; |
02ce7b72 | 1540 | |
d220ae32 | 1541 | HTREEITEM id = (HTREEITEM) TreeView_InsertItem(GetHwnd(), &tvIns); |
08b7c251 VZ |
1542 | if ( id == 0 ) |
1543 | { | |
f6bcfd97 | 1544 | wxLogLastError(wxT("TreeView_InsertItem")); |
08b7c251 | 1545 | } |
02ce7b72 | 1546 | |
fd3f686c VZ |
1547 | if ( data != NULL ) |
1548 | { | |
1549 | // associate the application tree item with Win32 tree item handle | |
1550 | data->SetId((WXHTREEITEM)id); | |
1551 | } | |
1552 | ||
06e38c8e | 1553 | return wxTreeItemId((WXHTREEITEM)id); |
2bda0e17 KB |
1554 | } |
1555 | ||
08b7c251 VZ |
1556 | // for compatibility only |
1557 | wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, | |
1558 | const wxString& text, | |
1559 | int image, int selImage, | |
1560 | long insertAfter) | |
2bda0e17 | 1561 | { |
06e38c8e | 1562 | return DoInsertItem(parent, (WXHTREEITEM)insertAfter, text, |
08b7c251 | 1563 | image, selImage, NULL); |
2bda0e17 KB |
1564 | } |
1565 | ||
08b7c251 VZ |
1566 | wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, |
1567 | int image, int selectedImage, | |
1568 | wxTreeItemData *data) | |
2bda0e17 | 1569 | { |
a9c1265f VZ |
1570 | |
1571 | if ( m_windowStyle & wxTR_HIDE_ROOT ) | |
1572 | { | |
1573 | // create a virtual root item, the parent for all the others | |
1574 | m_pVirtualRoot = new wxVirtualNode(data); | |
1575 | ||
1576 | return TVI_ROOT; | |
1577 | } | |
1578 | ||
22fb32d5 | 1579 | return DoInsertItem(wxTreeItemId((long)(WXHTREEITEM) 0), (long)(WXHTREEITEM) 0, |
08b7c251 | 1580 | text, image, selectedImage, data); |
2bda0e17 KB |
1581 | } |
1582 | ||
08b7c251 VZ |
1583 | wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent, |
1584 | const wxString& text, | |
1585 | int image, int selectedImage, | |
1586 | wxTreeItemData *data) | |
2bda0e17 | 1587 | { |
06e38c8e | 1588 | return DoInsertItem(parent, (WXHTREEITEM) TVI_FIRST, |
08b7c251 | 1589 | text, image, selectedImage, data); |
2bda0e17 KB |
1590 | } |
1591 | ||
08b7c251 VZ |
1592 | wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, |
1593 | const wxTreeItemId& idPrevious, | |
1594 | const wxString& text, | |
1595 | int image, int selectedImage, | |
1596 | wxTreeItemData *data) | |
2bda0e17 | 1597 | { |
08b7c251 | 1598 | return DoInsertItem(parent, idPrevious, text, image, selectedImage, data); |
2bda0e17 KB |
1599 | } |
1600 | ||
2ef31e80 VZ |
1601 | wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, |
1602 | size_t index, | |
1603 | const wxString& text, | |
1604 | int image, int selectedImage, | |
1605 | wxTreeItemData *data) | |
1606 | { | |
1607 | // find the item from index | |
1608 | long cookie; | |
1609 | wxTreeItemId idPrev, idCur = GetFirstChild(parent, cookie); | |
1610 | while ( index != 0 && idCur.IsOk() ) | |
1611 | { | |
1612 | index--; | |
1613 | ||
1614 | idPrev = idCur; | |
1615 | idCur = GetNextChild(parent, cookie); | |
1616 | } | |
1617 | ||
1618 | // assert, not check: if the index is invalid, we will append the item | |
1619 | // to the end | |
1620 | wxASSERT_MSG( index == 0, _T("bad index in wxTreeCtrl::InsertItem") ); | |
1621 | ||
1622 | return DoInsertItem(parent, idPrev, text, image, selectedImage, data); | |
1623 | } | |
1624 | ||
08b7c251 VZ |
1625 | wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent, |
1626 | const wxString& text, | |
1627 | int image, int selectedImage, | |
1628 | wxTreeItemData *data) | |
2bda0e17 | 1629 | { |
06e38c8e | 1630 | return DoInsertItem(parent, (WXHTREEITEM) TVI_LAST, |
08b7c251 | 1631 | text, image, selectedImage, data); |
2bda0e17 KB |
1632 | } |
1633 | ||
08b7c251 | 1634 | void wxTreeCtrl::Delete(const wxTreeItemId& item) |
2bda0e17 | 1635 | { |
3f7bc32b | 1636 | if ( !TreeView_DeleteItem(GetHwnd(), HITEM(item)) ) |
bbcdf8bc | 1637 | { |
f6bcfd97 | 1638 | wxLogLastError(wxT("TreeView_DeleteItem")); |
bbcdf8bc | 1639 | } |
bbcdf8bc JS |
1640 | } |
1641 | ||
23fd5130 VZ |
1642 | // delete all children (but don't delete the item itself) |
1643 | void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item) | |
1644 | { | |
1645 | long cookie; | |
1646 | ||
1647 | wxArrayLong children; | |
1648 | wxTreeItemId child = GetFirstChild(item, cookie); | |
1649 | while ( child.IsOk() ) | |
1650 | { | |
1651 | children.Add((long)(WXHTREEITEM)child); | |
1652 | ||
1653 | child = GetNextChild(item, cookie); | |
1654 | } | |
1655 | ||
1656 | size_t nCount = children.Count(); | |
1657 | for ( size_t n = 0; n < nCount; n++ ) | |
1658 | { | |
d220ae32 | 1659 | if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)children[n]) ) |
23fd5130 | 1660 | { |
f6bcfd97 | 1661 | wxLogLastError(wxT("TreeView_DeleteItem")); |
23fd5130 VZ |
1662 | } |
1663 | } | |
1664 | } | |
1665 | ||
08b7c251 | 1666 | void wxTreeCtrl::DeleteAllItems() |
bbcdf8bc | 1667 | { |
bfedf621 VZ |
1668 | // delete the "virtual" root item. |
1669 | if ( GET_VIRTUAL_ROOT() ) | |
1670 | { | |
1671 | delete GET_VIRTUAL_ROOT(); | |
1672 | m_pVirtualRoot = NULL; | |
1673 | } | |
1674 | ||
1675 | // and all the real items | |
a9c1265f | 1676 | |
d220ae32 | 1677 | if ( !TreeView_DeleteAllItems(GetHwnd()) ) |
bbcdf8bc | 1678 | { |
f6bcfd97 | 1679 | wxLogLastError(wxT("TreeView_DeleteAllItems")); |
bbcdf8bc | 1680 | } |
2bda0e17 KB |
1681 | } |
1682 | ||
08b7c251 | 1683 | void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag) |
2bda0e17 | 1684 | { |
dd3646fd VZ |
1685 | wxASSERT_MSG( flag == TVE_COLLAPSE || |
1686 | flag == (TVE_COLLAPSE | TVE_COLLAPSERESET) || | |
1687 | flag == TVE_EXPAND || | |
1688 | flag == TVE_TOGGLE, | |
223d09f6 | 1689 | wxT("Unknown flag in wxTreeCtrl::DoExpand") ); |
08b7c251 | 1690 | |
a9c1265f | 1691 | // A hidden root can be neither expanded nor collapsed. |
e9616381 | 1692 | wxCHECK_RET( !(m_windowStyle & wxTR_HIDE_ROOT) || (HITEM(item) != TVI_ROOT), |
0d6a0101 | 1693 | wxT("Can't expand/collapse hidden root node!") ) |
a9c1265f | 1694 | |
08b7c251 | 1695 | // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must |
d220ae32 VZ |
1696 | // emulate them. This behaviour has changed slightly with comctl32.dll |
1697 | // v 4.70 - now it does send them but only the first time. To maintain | |
1698 | // compatible behaviour and also in order to not have surprises with the | |
1699 | // future versions, don't rely on this and still do everything ourselves. | |
1700 | // To avoid that the messages be sent twice when the item is expanded for | |
1701 | // the first time we must clear TVIS_EXPANDEDONCE style manually. | |
1702 | ||
1703 | wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDEDONCE); | |
1704 | tvItem.state = 0; | |
1705 | DoSetItem(&tvItem); | |
1706 | ||
3f7bc32b | 1707 | if ( TreeView_Expand(GetHwnd(), HITEM(item), flag) != 0 ) |
08b7c251 VZ |
1708 | { |
1709 | wxTreeEvent event(wxEVT_NULL, m_windowId); | |
1710 | event.m_item = item; | |
08b7c251 | 1711 | event.SetEventObject(this); |
2bda0e17 | 1712 | |
deb1de30 VZ |
1713 | // note that the {EXPAND|COLLAPS}ING event is sent by TreeView_Expand() |
1714 | // itself | |
1715 | event.SetEventType(gs_expandEvents[IsExpanded(item) ? IDX_EXPAND | |
1716 | : IDX_COLLAPSE] | |
1717 | [IDX_DONE]); | |
2bda0e17 | 1718 | |
deb1de30 | 1719 | (void)GetEventHandler()->ProcessEvent(event); |
08b7c251 | 1720 | } |
d220ae32 | 1721 | //else: change didn't took place, so do nothing at all |
2bda0e17 KB |
1722 | } |
1723 | ||
08b7c251 | 1724 | void wxTreeCtrl::Expand(const wxTreeItemId& item) |
2bda0e17 | 1725 | { |
08b7c251 | 1726 | DoExpand(item, TVE_EXPAND); |
2bda0e17 | 1727 | } |
2bda0e17 | 1728 | |
08b7c251 | 1729 | void wxTreeCtrl::Collapse(const wxTreeItemId& item) |
2bda0e17 | 1730 | { |
08b7c251 | 1731 | DoExpand(item, TVE_COLLAPSE); |
2bda0e17 KB |
1732 | } |
1733 | ||
08b7c251 | 1734 | void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item) |
2bda0e17 | 1735 | { |
dd3646fd | 1736 | DoExpand(item, TVE_COLLAPSE | TVE_COLLAPSERESET); |
2bda0e17 KB |
1737 | } |
1738 | ||
08b7c251 | 1739 | void wxTreeCtrl::Toggle(const wxTreeItemId& item) |
2bda0e17 | 1740 | { |
08b7c251 | 1741 | DoExpand(item, TVE_TOGGLE); |
2bda0e17 KB |
1742 | } |
1743 | ||
42c5812d UU |
1744 | void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action) |
1745 | { | |
9dfbf520 | 1746 | DoExpand(item, action); |
42c5812d UU |
1747 | } |
1748 | ||
08b7c251 | 1749 | void wxTreeCtrl::Unselect() |
2bda0e17 | 1750 | { |
3f7bc32b VZ |
1751 | wxASSERT_MSG( !(m_windowStyle & wxTR_MULTIPLE), |
1752 | wxT("doesn't make sense, may be you want UnselectAll()?") ); | |
9dfbf520 VZ |
1753 | |
1754 | // just remove the selection | |
ad90972f | 1755 | SelectItem(wxTreeItemId((long) (WXHTREEITEM) 0)); |
08b7c251 | 1756 | } |
02ce7b72 | 1757 | |
9dfbf520 | 1758 | void wxTreeCtrl::UnselectAll() |
08b7c251 | 1759 | { |
9dfbf520 | 1760 | if ( m_windowStyle & wxTR_MULTIPLE ) |
2bda0e17 | 1761 | { |
9dfbf520 VZ |
1762 | wxArrayTreeItemIds selections; |
1763 | size_t count = GetSelections(selections); | |
1764 | for ( size_t n = 0; n < count; n++ ) | |
d220ae32 | 1765 | { |
3f7bc32b | 1766 | #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
9dfbf520 | 1767 | SetItemCheck(selections[n], FALSE); |
3f7bc32b VZ |
1768 | #else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
1769 | ::UnselectItem(GetHwnd(), HITEM(selections[n])); | |
1770 | #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE | |
d220ae32 | 1771 | } |
9dfbf520 VZ |
1772 | } |
1773 | else | |
1774 | { | |
1775 | // just remove the selection | |
1776 | Unselect(); | |
1777 | } | |
1778 | } | |
1779 | ||
1780 | void wxTreeCtrl::SelectItem(const wxTreeItemId& item) | |
1781 | { | |
1782 | if ( m_windowStyle & wxTR_MULTIPLE ) | |
1783 | { | |
3f7bc32b | 1784 | #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
9dfbf520 VZ |
1785 | // selecting the item means checking it |
1786 | SetItemCheck(item); | |
3f7bc32b VZ |
1787 | #else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
1788 | ::SelectItem(GetHwnd(), HITEM(item)); | |
1789 | #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE | |
9dfbf520 VZ |
1790 | } |
1791 | else | |
1792 | { | |
1793 | // inspite of the docs (MSDN Jan 99 edition), we don't seem to receive | |
1794 | // the notification from the control (i.e. TVN_SELCHANG{ED|ING}), so | |
1795 | // send them ourselves | |
1796 | ||
1797 | wxTreeEvent event(wxEVT_NULL, m_windowId); | |
1798 | event.m_item = item; | |
1799 | event.SetEventObject(this); | |
1800 | ||
1801 | event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGING); | |
1802 | if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() ) | |
d220ae32 | 1803 | { |
3f7bc32b | 1804 | if ( !TreeView_SelectItem(GetHwnd(), HITEM(item)) ) |
9dfbf520 | 1805 | { |
f6bcfd97 | 1806 | wxLogLastError(wxT("TreeView_SelectItem")); |
9dfbf520 VZ |
1807 | } |
1808 | else | |
1809 | { | |
1810 | event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED); | |
1811 | (void)GetEventHandler()->ProcessEvent(event); | |
1812 | } | |
d220ae32 | 1813 | } |
9dfbf520 | 1814 | //else: program vetoed the change |
2bda0e17 | 1815 | } |
08b7c251 | 1816 | } |
2bda0e17 | 1817 | |
08b7c251 VZ |
1818 | void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item) |
1819 | { | |
1820 | // no error return | |
3f7bc32b | 1821 | TreeView_EnsureVisible(GetHwnd(), HITEM(item)); |
08b7c251 VZ |
1822 | } |
1823 | ||
1824 | void wxTreeCtrl::ScrollTo(const wxTreeItemId& item) | |
1825 | { | |
3f7bc32b | 1826 | if ( !TreeView_SelectSetFirstVisible(GetHwnd(), HITEM(item)) ) |
2bda0e17 | 1827 | { |
f6bcfd97 | 1828 | wxLogLastError(wxT("TreeView_SelectSetFirstVisible")); |
2bda0e17 | 1829 | } |
08b7c251 VZ |
1830 | } |
1831 | ||
44fbc477 | 1832 | wxTextCtrl *wxTreeCtrl::GetEditControl() const |
08b7c251 VZ |
1833 | { |
1834 | return m_textCtrl; | |
1835 | } | |
1836 | ||
1837 | void wxTreeCtrl::DeleteTextCtrl() | |
1838 | { | |
1839 | if ( m_textCtrl ) | |
2bda0e17 | 1840 | { |
b6a3d6ad VZ |
1841 | // the HWND corresponding to this control is deleted by the tree |
1842 | // control itself and we don't know when exactly this happens, so check | |
1843 | // if the window still exists before calling UnsubclassWin() | |
1844 | if ( !::IsWindow(GetHwndOf(m_textCtrl)) ) | |
1845 | { | |
1846 | m_textCtrl->SetHWND(0); | |
1847 | } | |
1848 | ||
08b7c251 VZ |
1849 | m_textCtrl->UnsubclassWin(); |
1850 | m_textCtrl->SetHWND(0); | |
1851 | delete m_textCtrl; | |
1852 | m_textCtrl = NULL; | |
2bda0e17 | 1853 | } |
08b7c251 | 1854 | } |
2bda0e17 | 1855 | |
08b7c251 VZ |
1856 | wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item, |
1857 | wxClassInfo* textControlClass) | |
1858 | { | |
1859 | wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) ); | |
1860 | ||
b94ae1ea VZ |
1861 | DeleteTextCtrl(); |
1862 | ||
cd6bd270 | 1863 | m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject(); |
3f7bc32b | 1864 | HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), HITEM(item)); |
2bda0e17 | 1865 | |
5ea47806 VZ |
1866 | // this is not an error - the TVN_BEGINLABELEDIT handler might have |
1867 | // returned FALSE | |
1868 | if ( !hWnd ) | |
1869 | { | |
cd6bd270 MB |
1870 | delete m_textCtrl; |
1871 | m_textCtrl = NULL; | |
5ea47806 VZ |
1872 | return NULL; |
1873 | } | |
2bda0e17 | 1874 | |
cd6bd270 | 1875 | // textctrl is subclassed in MSWOnNotify |
08b7c251 | 1876 | return m_textCtrl; |
2bda0e17 KB |
1877 | } |
1878 | ||
08b7c251 | 1879 | // End label editing, optionally cancelling the edit |
33ac7e6f | 1880 | void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool discardChanges) |
2bda0e17 | 1881 | { |
d220ae32 | 1882 | TreeView_EndEditLabelNow(GetHwnd(), discardChanges); |
08b7c251 VZ |
1883 | |
1884 | DeleteTextCtrl(); | |
2bda0e17 KB |
1885 | } |
1886 | ||
08b7c251 | 1887 | wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags) |
2bda0e17 | 1888 | { |
08b7c251 VZ |
1889 | TV_HITTESTINFO hitTestInfo; |
1890 | hitTestInfo.pt.x = (int)point.x; | |
1891 | hitTestInfo.pt.y = (int)point.y; | |
2bda0e17 | 1892 | |
d220ae32 | 1893 | TreeView_HitTest(GetHwnd(), &hitTestInfo); |
2bda0e17 | 1894 | |
08b7c251 VZ |
1895 | flags = 0; |
1896 | ||
1897 | // avoid repetition | |
1898 | #define TRANSLATE_FLAG(flag) if ( hitTestInfo.flags & TVHT_##flag ) \ | |
1899 | flags |= wxTREE_HITTEST_##flag | |
1900 | ||
1901 | TRANSLATE_FLAG(ABOVE); | |
1902 | TRANSLATE_FLAG(BELOW); | |
1903 | TRANSLATE_FLAG(NOWHERE); | |
1904 | TRANSLATE_FLAG(ONITEMBUTTON); | |
1905 | TRANSLATE_FLAG(ONITEMICON); | |
1906 | TRANSLATE_FLAG(ONITEMINDENT); | |
1907 | TRANSLATE_FLAG(ONITEMLABEL); | |
1908 | TRANSLATE_FLAG(ONITEMRIGHT); | |
1909 | TRANSLATE_FLAG(ONITEMSTATEICON); | |
1910 | TRANSLATE_FLAG(TOLEFT); | |
1911 | TRANSLATE_FLAG(TORIGHT); | |
2bda0e17 | 1912 | |
08b7c251 VZ |
1913 | #undef TRANSLATE_FLAG |
1914 | ||
06e38c8e | 1915 | return wxTreeItemId((WXHTREEITEM) hitTestInfo.hItem); |
08b7c251 VZ |
1916 | } |
1917 | ||
f7c832a7 VZ |
1918 | bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item, |
1919 | wxRect& rect, | |
1920 | bool textOnly) const | |
1921 | { | |
1922 | RECT rc; | |
3f7bc32b | 1923 | if ( TreeView_GetItemRect(GetHwnd(), HITEM(item), |
f7c832a7 VZ |
1924 | &rc, textOnly) ) |
1925 | { | |
1926 | rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom)); | |
1927 | ||
1928 | return TRUE; | |
1929 | } | |
1930 | else | |
1931 | { | |
1932 | // couldn't retrieve rect: for example, item isn't visible | |
1933 | return FALSE; | |
1934 | } | |
1935 | } | |
1936 | ||
23fd5130 VZ |
1937 | // ---------------------------------------------------------------------------- |
1938 | // sorting stuff | |
1939 | // ---------------------------------------------------------------------------- | |
f7c832a7 | 1940 | |
502a2b18 VZ |
1941 | // this is just a tiny namespace which is friend to wxTreeCtrl and so can use |
1942 | // functions such as IsDataIndirect() | |
1943 | class wxTreeSortHelper | |
1944 | { | |
1945 | public: | |
1946 | static int CALLBACK Compare(LPARAM data1, LPARAM data2, LPARAM tree); | |
1947 | ||
1948 | private: | |
1949 | static wxTreeItemId GetIdFromData(wxTreeCtrl *tree, LPARAM item) | |
1950 | { | |
1951 | wxTreeItemData *data = (wxTreeItemData *)item; | |
1952 | if ( tree->IsDataIndirect(data) ) | |
1953 | { | |
1954 | data = ((wxTreeItemIndirectData *)data)->GetData(); | |
1955 | } | |
1956 | ||
1957 | return data->GetId(); | |
1958 | } | |
1959 | }; | |
1960 | ||
1961 | int CALLBACK wxTreeSortHelper::Compare(LPARAM pItem1, | |
1962 | LPARAM pItem2, | |
1963 | LPARAM htree) | |
23fd5130 | 1964 | { |
096c9f9b | 1965 | wxCHECK_MSG( pItem1 && pItem2, 0, |
223d09f6 | 1966 | wxT("sorting tree without data doesn't make sense") ); |
096c9f9b | 1967 | |
502a2b18 VZ |
1968 | wxTreeCtrl *tree = (wxTreeCtrl *)htree; |
1969 | ||
1970 | return tree->OnCompareItems(GetIdFromData(tree, pItem1), | |
1971 | GetIdFromData(tree, pItem2)); | |
23fd5130 VZ |
1972 | } |
1973 | ||
95aabccc VZ |
1974 | int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1, |
1975 | const wxTreeItemId& item2) | |
08b7c251 | 1976 | { |
837e5743 | 1977 | return wxStrcmp(GetItemText(item1), GetItemText(item2)); |
95aabccc VZ |
1978 | } |
1979 | ||
1980 | void wxTreeCtrl::SortChildren(const wxTreeItemId& item) | |
1981 | { | |
1982 | // rely on the fact that TreeView_SortChildren does the same thing as our | |
23fd5130 VZ |
1983 | // default behaviour, i.e. sorts items alphabetically and so call it |
1984 | // directly if we're not in derived class (much more efficient!) | |
1985 | if ( GetClassInfo() == CLASSINFO(wxTreeCtrl) ) | |
2bda0e17 | 1986 | { |
3f7bc32b | 1987 | TreeView_SortChildren(GetHwnd(), HITEM(item), 0); |
2bda0e17 | 1988 | } |
08b7c251 | 1989 | else |
2bda0e17 | 1990 | { |
62448488 | 1991 | TV_SORTCB tvSort; |
3f7bc32b | 1992 | tvSort.hParent = HITEM(item); |
502a2b18 | 1993 | tvSort.lpfnCompare = wxTreeSortHelper::Compare; |
23fd5130 | 1994 | tvSort.lParam = (LPARAM)this; |
d220ae32 | 1995 | TreeView_SortChildrenCB(GetHwnd(), &tvSort, 0 /* reserved */); |
2bda0e17 | 1996 | } |
08b7c251 | 1997 | } |
2bda0e17 | 1998 | |
08b7c251 VZ |
1999 | // ---------------------------------------------------------------------------- |
2000 | // implementation | |
2001 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 2002 | |
08b7c251 VZ |
2003 | bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id) |
2004 | { | |
2005 | if ( cmd == EN_UPDATE ) | |
2bda0e17 | 2006 | { |
08b7c251 VZ |
2007 | wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id); |
2008 | event.SetEventObject( this ); | |
2009 | ProcessCommand(event); | |
2bda0e17 | 2010 | } |
08b7c251 | 2011 | else if ( cmd == EN_KILLFOCUS ) |
2bda0e17 | 2012 | { |
08b7c251 VZ |
2013 | wxCommandEvent event(wxEVT_KILL_FOCUS, id); |
2014 | event.SetEventObject( this ); | |
2015 | ProcessCommand(event); | |
2bda0e17 | 2016 | } |
08b7c251 | 2017 | else |
2bda0e17 | 2018 | { |
08b7c251 VZ |
2019 | // nothing done |
2020 | return FALSE; | |
2bda0e17 | 2021 | } |
08b7c251 VZ |
2022 | |
2023 | // command processed | |
2024 | return TRUE; | |
2025 | } | |
2026 | ||
23f681ec VZ |
2027 | // we hook into WndProc to process WM_MOUSEMOVE/WM_BUTTONUP messages - as we |
2028 | // only do it during dragging, minimize wxWin overhead (this is important for | |
2029 | // WM_MOUSEMOVE as they're a lot of them) by catching Windows messages directly | |
2030 | // instead of passing by wxWin events | |
2031 | long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) | |
2032 | { | |
3f7bc32b VZ |
2033 | bool processed = FALSE; |
2034 | long rc = 0; | |
3f7bc32b VZ |
2035 | bool isMultiple = (GetWindowStyle() & wxTR_MULTIPLE) != 0; |
2036 | ||
2037 | if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) ) | |
23f681ec | 2038 | { |
7bb8798c VZ |
2039 | // we only process mouse messages here and these parameters have the |
2040 | // same meaning for all of them | |
3f7bc32b VZ |
2041 | int x = GET_X_LPARAM(lParam), |
2042 | y = GET_Y_LPARAM(lParam); | |
2043 | HTREEITEM htItem = GetItemFromPoint(GetHwnd(), x, y); | |
2044 | ||
23f681ec VZ |
2045 | switch ( nMsg ) |
2046 | { | |
de6ac339 JS |
2047 | case WM_RBUTTONDOWN: |
2048 | // if the item we are about to right click on | |
2049 | // is not already select, remove the entire | |
2050 | // previous selection | |
2051 | if (!::IsItemSelected(GetHwnd(), htItem)) | |
2052 | { | |
2053 | UnselectAll(); | |
2054 | } | |
2055 | ||
2056 | // select item and set the focus to the | |
2057 | // newly selected item | |
2058 | ::SelectItem(GetHwnd(), htItem); | |
2059 | ::SetFocus(GetHwnd(), htItem); | |
2060 | break; | |
2061 | ||
3f7bc32b VZ |
2062 | #if !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
2063 | case WM_LBUTTONDOWN: | |
2064 | if ( htItem && isMultiple ) | |
23f681ec | 2065 | { |
3f7bc32b VZ |
2066 | if ( wParam & MK_CONTROL ) |
2067 | { | |
2068 | SetFocus(); | |
23f681ec | 2069 | |
3f7bc32b VZ |
2070 | // toggle selected state |
2071 | ToggleItemSelection(GetHwnd(), htItem); | |
2072 | ||
2073 | ::SetFocus(GetHwnd(), htItem); | |
2074 | ||
2075 | // reset on any click without Shift | |
2076 | m_htSelStart = 0; | |
2077 | ||
2078 | processed = TRUE; | |
2079 | } | |
2080 | else if ( wParam & MK_SHIFT ) | |
2081 | { | |
2082 | // this selects all items between the starting one and | |
2083 | // the current | |
2084 | ||
2085 | if ( !m_htSelStart ) | |
2086 | { | |
2087 | // take the focused item | |
2088 | m_htSelStart = (WXHTREEITEM) | |
2089 | TreeView_GetSelection(GetHwnd()); | |
2090 | } | |
2091 | ||
2092 | SelectRange(GetHwnd(), HITEM(m_htSelStart), htItem, | |
2093 | !(wParam & MK_CONTROL)); | |
2094 | ||
2095 | ::SetFocus(GetHwnd(), htItem); | |
23f681ec | 2096 | |
3f7bc32b VZ |
2097 | processed = TRUE; |
2098 | } | |
2099 | else // normal click | |
2100 | { | |
df4ac4c7 VZ |
2101 | // avoid doing anything if we click on the only |
2102 | // currently selected item | |
2103 | wxArrayTreeItemIds selections; | |
2104 | size_t count = GetSelections(selections); | |
2105 | if ( count == 0 || | |
2106 | count > 1 || | |
2107 | HITEM(selections[0]) != htItem ) | |
2108 | { | |
2109 | // clear the previously selected items | |
2110 | UnselectAll(); | |
2111 | ||
2112 | // prevent the click from starting in-place editing | |
2113 | // which should only happen if we click on the | |
2114 | // already selected item (and nothing else is | |
2115 | // selected) | |
2116 | TreeView_SelectItem(GetHwnd(), 0); | |
2117 | } | |
3f7bc32b VZ |
2118 | |
2119 | // reset on any click without Shift | |
2120 | m_htSelStart = 0; | |
2121 | } | |
2122 | } | |
2123 | break; | |
2124 | #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE | |
2125 | ||
2126 | case WM_MOUSEMOVE: | |
2127 | if ( m_dragImage ) | |
2128 | { | |
afff720b | 2129 | m_dragImage->Move(wxPoint(x, y)); |
3f7bc32b | 2130 | if ( htItem ) |
23f681ec VZ |
2131 | { |
2132 | // highlight the item as target (hiding drag image is | |
2133 | // necessary - otherwise the display will be corrupted) | |
68be9f09 | 2134 | m_dragImage->Hide(); |
3f7bc32b | 2135 | TreeView_SelectDropTarget(GetHwnd(), htItem); |
68be9f09 | 2136 | m_dragImage->Show(); |
23f681ec VZ |
2137 | } |
2138 | } | |
2139 | break; | |
2140 | ||
2141 | case WM_LBUTTONUP: | |
2142 | case WM_RBUTTONUP: | |
3f7bc32b | 2143 | if ( m_dragImage ) |
23f681ec | 2144 | { |
68be9f09 | 2145 | m_dragImage->EndDrag(); |
23f681ec VZ |
2146 | delete m_dragImage; |
2147 | m_dragImage = NULL; | |
2148 | ||
2149 | // generate the drag end event | |
2150 | wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, m_windowId); | |
2151 | ||
3f7bc32b | 2152 | event.m_item = (WXHTREEITEM)htItem; |
23f681ec VZ |
2153 | event.m_pointDrag = wxPoint(x, y); |
2154 | event.SetEventObject(this); | |
2155 | ||
2156 | (void)GetEventHandler()->ProcessEvent(event); | |
225fe9d6 VZ |
2157 | |
2158 | // if we don't do it, the tree seems to think that 2 items | |
2159 | // are selected simultaneously which is quite weird | |
2160 | TreeView_SelectDropTarget(GetHwnd(), 0); | |
23f681ec VZ |
2161 | } |
2162 | break; | |
2163 | } | |
2164 | } | |
3f7bc32b VZ |
2165 | #if !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE |
2166 | else if ( (nMsg == WM_SETFOCUS || nMsg == WM_KILLFOCUS) && isMultiple ) | |
2167 | { | |
2168 | // the tree control greys out the selected item when it loses focus and | |
2169 | // paints it as selected again when it regains it, but it won't do it | |
2170 | // for the other items itself - help it | |
2171 | wxArrayTreeItemIds selections; | |
2172 | size_t count = GetSelections(selections); | |
2173 | RECT rect; | |
2174 | for ( size_t n = 0; n < count; n++ ) | |
2175 | { | |
2176 | // TreeView_GetItemRect() will return FALSE if item is not visible, | |
2177 | // which may happen perfectly well | |
2178 | if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]), | |
2179 | &rect, TRUE) ) | |
2180 | { | |
2181 | ::InvalidateRect(GetHwnd(), &rect, FALSE); | |
2182 | } | |
2183 | } | |
2184 | } | |
2185 | else if ( nMsg == WM_KEYDOWN && isMultiple ) | |
2186 | { | |
2187 | bool bCtrl = wxIsCtrlDown(), | |
2188 | bShift = wxIsShiftDown(); | |
2189 | ||
2190 | // we handle.arrows and space, but not page up/down and home/end: the | |
2191 | // latter should be easy, but not the former | |
2192 | ||
2c8e4738 | 2193 | HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd()); |
3f7bc32b VZ |
2194 | if ( !m_htSelStart ) |
2195 | { | |
2196 | m_htSelStart = (WXHTREEITEM)htSel; | |
2197 | } | |
2198 | ||
2199 | if ( wParam == VK_SPACE ) | |
2200 | { | |
2201 | if ( bCtrl ) | |
2202 | { | |
2203 | ToggleItemSelection(GetHwnd(), htSel); | |
2204 | } | |
2205 | else | |
2206 | { | |
2207 | UnselectAll(); | |
2208 | ||
2209 | ::SelectItem(GetHwnd(), htSel); | |
2210 | } | |
23f681ec | 2211 | |
3f7bc32b VZ |
2212 | processed = TRUE; |
2213 | } | |
2214 | else if ( wParam == VK_UP || wParam == VK_DOWN ) | |
2215 | { | |
2216 | if ( !bCtrl && !bShift ) | |
2217 | { | |
2218 | // no modifiers, just clear selection and then let the default | |
2219 | // processing to take place | |
2220 | UnselectAll(); | |
2221 | } | |
2222 | else if ( htSel ) | |
2223 | { | |
2224 | (void)wxControl::MSWWindowProc(nMsg, wParam, lParam); | |
2225 | ||
2c8e4738 VZ |
2226 | HTREEITEM htNext = (HTREEITEM)(wParam == VK_UP |
2227 | ? TreeView_GetPrevVisible(GetHwnd(), htSel) | |
2228 | : TreeView_GetNextVisible(GetHwnd(), htSel)); | |
3f7bc32b VZ |
2229 | |
2230 | if ( !htNext ) | |
2231 | { | |
2232 | // at the top/bottom | |
2233 | htNext = htSel; | |
2234 | } | |
2235 | ||
2236 | if ( bShift ) | |
2237 | { | |
2238 | SelectRange(GetHwnd(), HITEM(m_htSelStart), htNext); | |
2239 | } | |
2240 | else // bCtrl | |
2241 | { | |
2242 | // without changing selection | |
2243 | ::SetFocus(GetHwnd(), htNext); | |
2244 | } | |
2245 | ||
2246 | processed = TRUE; | |
2247 | } | |
2248 | } | |
2249 | } | |
2250 | #endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE | |
7bb8798c VZ |
2251 | else if ( nMsg == WM_CHAR ) |
2252 | { | |
2253 | // don't let the control process Space and Return keys because it | |
2254 | // doesn't do anything useful with them anyhow but always beeps | |
2255 | // annoyingly when it receives them and there is no way to turn it off | |
2256 | // simply if you just process TREEITEM_ACTIVATED event to which Space | |
2257 | // and Enter presses are mapped in your code | |
2258 | if ( wParam == VK_SPACE || wParam == VK_RETURN ) | |
2259 | { | |
2260 | processed = true; | |
2261 | } | |
2262 | } | |
2263 | ||
3f7bc32b VZ |
2264 | if ( !processed ) |
2265 | rc = wxControl::MSWWindowProc(nMsg, wParam, lParam); | |
2266 | ||
2267 | return rc; | |
23f681ec VZ |
2268 | } |
2269 | ||
08b7c251 | 2270 | // process WM_NOTIFY Windows message |
a23fd0e1 | 2271 | bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) |
08b7c251 VZ |
2272 | { |
2273 | wxTreeEvent event(wxEVT_NULL, m_windowId); | |
2274 | wxEventType eventType = wxEVT_NULL; | |
2275 | NMHDR *hdr = (NMHDR *)lParam; | |
2276 | ||
2277 | switch ( hdr->code ) | |
2bda0e17 | 2278 | { |
08b7c251 VZ |
2279 | case TVN_BEGINDRAG: |
2280 | eventType = wxEVT_COMMAND_TREE_BEGIN_DRAG; | |
2281 | // fall through | |
2282 | ||
2283 | case TVN_BEGINRDRAG: | |
2284 | { | |
2285 | if ( eventType == wxEVT_NULL ) | |
2286 | eventType = wxEVT_COMMAND_TREE_BEGIN_RDRAG; | |
2287 | //else: left drag, already set above | |
2288 | ||
2289 | NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; | |
2290 | ||
06e38c8e | 2291 | event.m_item = (WXHTREEITEM) tv->itemNew.hItem; |
08b7c251 | 2292 | event.m_pointDrag = wxPoint(tv->ptDrag.x, tv->ptDrag.y); |
23f681ec VZ |
2293 | |
2294 | // don't allow dragging by default: the user code must | |
2295 | // explicitly say that it wants to allow it to avoid breaking | |
2296 | // the old apps | |
2297 | event.Veto(); | |
08b7c251 | 2298 | } |
696e1ea0 | 2299 | break; |
08b7c251 VZ |
2300 | |
2301 | case TVN_BEGINLABELEDIT: | |
2302 | { | |
2303 | eventType = wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT; | |
2304 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
2305 | ||
06e38c8e | 2306 | event.m_item = (WXHTREEITEM) info->item.hItem; |
5ea47806 | 2307 | event.m_label = info->item.pszText; |
dd23c25c | 2308 | event.m_editCancelled = FALSE; |
08b7c251 | 2309 | } |
696e1ea0 | 2310 | break; |
08b7c251 VZ |
2311 | |
2312 | case TVN_DELETEITEM: | |
2313 | { | |
2314 | eventType = wxEVT_COMMAND_TREE_DELETE_ITEM; | |
2315 | NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; | |
2316 | ||
696e1ea0 VZ |
2317 | event.m_item = (WXHTREEITEM)tv->itemOld.hItem; |
2318 | ||
2319 | if ( m_hasAnyAttr ) | |
2320 | { | |
2321 | delete (wxTreeItemAttr *)m_attrs. | |
2322 | Delete((long)tv->itemOld.hItem); | |
2323 | } | |
08b7c251 | 2324 | } |
696e1ea0 | 2325 | break; |
08b7c251 VZ |
2326 | |
2327 | case TVN_ENDLABELEDIT: | |
2328 | { | |
2329 | eventType = wxEVT_COMMAND_TREE_END_LABEL_EDIT; | |
2330 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
2331 | ||
5ea47806 VZ |
2332 | event.m_item = (WXHTREEITEM)info->item.hItem; |
2333 | event.m_label = info->item.pszText; | |
1ee4ead5 | 2334 | if (info->item.pszText == NULL) |
dd23c25c JS |
2335 | { |
2336 | event.m_editCancelled = TRUE; | |
2337 | } | |
2338 | else | |
2339 | { | |
2340 | event.m_editCancelled = FALSE; | |
2341 | } | |
08b7c251 VZ |
2342 | break; |
2343 | } | |
2344 | ||
2345 | case TVN_GETDISPINFO: | |
2346 | eventType = wxEVT_COMMAND_TREE_GET_INFO; | |
2347 | // fall through | |
2348 | ||
2349 | case TVN_SETDISPINFO: | |
2350 | { | |
2351 | if ( eventType == wxEVT_NULL ) | |
2352 | eventType = wxEVT_COMMAND_TREE_SET_INFO; | |
2353 | //else: get, already set above | |
2354 | ||
2355 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
2356 | ||
06e38c8e | 2357 | event.m_item = (WXHTREEITEM) info->item.hItem; |
08b7c251 VZ |
2358 | break; |
2359 | } | |
2360 | ||
2361 | case TVN_ITEMEXPANDING: | |
08b7c251 VZ |
2362 | case TVN_ITEMEXPANDED: |
2363 | { | |
2364 | NM_TREEVIEW* tv = (NM_TREEVIEW*)lParam; | |
2365 | ||
deb1de30 | 2366 | int what; |
08b7c251 VZ |
2367 | switch ( tv->action ) |
2368 | { | |
deb1de30 VZ |
2369 | default: |
2370 | wxLogDebug(wxT("unexpected code %d in TVN_ITEMEXPAND message"), tv->action); | |
2371 | // fall through | |
2372 | ||
08b7c251 | 2373 | case TVE_EXPAND: |
deb1de30 | 2374 | what = IDX_EXPAND; |
08b7c251 VZ |
2375 | break; |
2376 | ||
2377 | case TVE_COLLAPSE: | |
deb1de30 | 2378 | what = IDX_COLLAPSE; |
08b7c251 | 2379 | break; |
08b7c251 VZ |
2380 | } |
2381 | ||
2b5f62a0 VZ |
2382 | int how = hdr->code == TVN_ITEMEXPANDING ? IDX_DOING |
2383 | : IDX_DONE; | |
deb1de30 VZ |
2384 | |
2385 | eventType = gs_expandEvents[what][how]; | |
08b7c251 | 2386 | |
06e38c8e | 2387 | event.m_item = (WXHTREEITEM) tv->itemNew.hItem; |
08b7c251 | 2388 | } |
696e1ea0 | 2389 | break; |
08b7c251 VZ |
2390 | |
2391 | case TVN_KEYDOWN: | |
2392 | { | |
2393 | eventType = wxEVT_COMMAND_TREE_KEY_DOWN; | |
2394 | TV_KEYDOWN *info = (TV_KEYDOWN *)lParam; | |
2395 | ||
1944ad76 VZ |
2396 | // fabricate the lParam and wParam parameters sufficiently |
2397 | // similar to the ones from a "real" WM_KEYDOWN so that | |
2398 | // CreateKeyEvent() works correctly | |
2399 | WXLPARAM lParam = | |
2400 | (::GetKeyState(VK_MENU) & 0x100 ? KF_ALTDOWN : 0) << 16; | |
2401 | ||
2402 | WXWPARAM wParam = info->wVKey; | |
2403 | ||
2404 | int keyCode = wxCharCodeMSWToWX(info->wVKey); | |
2405 | if ( !keyCode ) | |
2406 | { | |
2407 | // wxCharCodeMSWToWX() returns 0 to indicate that this is a | |
2408 | // simple ASCII key | |
2409 | keyCode = wParam; | |
2410 | } | |
2411 | ||
8191741f | 2412 | event.m_evtKey = CreateKeyEvent(wxEVT_KEY_DOWN, |
1944ad76 VZ |
2413 | keyCode, |
2414 | lParam, | |
2415 | wParam); | |
23fd5130 | 2416 | |
3f7bc32b VZ |
2417 | // a separate event for Space/Return |
2418 | if ( !wxIsCtrlDown() && !wxIsShiftDown() && | |
2419 | ((info->wVKey == VK_SPACE) || (info->wVKey == VK_RETURN)) ) | |
23fd5130 VZ |
2420 | { |
2421 | wxTreeEvent event2(wxEVT_COMMAND_TREE_ITEM_ACTIVATED, | |
2422 | m_windowId); | |
2423 | event2.SetEventObject(this); | |
3f7bc32b VZ |
2424 | if ( !(GetWindowStyle() & wxTR_MULTIPLE) ) |
2425 | { | |
2426 | event2.m_item = GetSelection(); | |
2427 | } | |
2428 | //else: don't know how to get it | |
23fd5130 | 2429 | |
3f7bc32b | 2430 | (void)GetEventHandler()->ProcessEvent(event2); |
23fd5130 | 2431 | } |
08b7c251 | 2432 | } |
696e1ea0 | 2433 | break; |
08b7c251 | 2434 | |
69a8b5b4 VS |
2435 | // NB: MSLU is broken and sends TVN_SELCHANGEDA instead of |
2436 | // TVN_SELCHANGEDW in Unicode mode under Win98. Therefore | |
2437 | // we have to handle both messages: | |
2438 | case TVN_SELCHANGEDA: | |
2439 | case TVN_SELCHANGEDW: | |
08b7c251 VZ |
2440 | eventType = wxEVT_COMMAND_TREE_SEL_CHANGED; |
2441 | // fall through | |
2442 | ||
69a8b5b4 VS |
2443 | case TVN_SELCHANGINGA: |
2444 | case TVN_SELCHANGINGW: | |
08b7c251 VZ |
2445 | { |
2446 | if ( eventType == wxEVT_NULL ) | |
2447 | eventType = wxEVT_COMMAND_TREE_SEL_CHANGING; | |
2448 | //else: already set above | |
2449 | ||
69a8b5b4 VS |
2450 | if (hdr->code == TVN_SELCHANGINGW || |
2451 | hdr->code == TVN_SELCHANGEDW) | |
2452 | { | |
2453 | NM_TREEVIEWW* tv = (NM_TREEVIEWW *)lParam; | |
2454 | event.m_item = (WXHTREEITEM) tv->itemNew.hItem; | |
2455 | event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem; | |
2456 | } | |
2457 | else | |
2458 | { | |
2459 | NM_TREEVIEWA* tv = (NM_TREEVIEWA *)lParam; | |
2460 | event.m_item = (WXHTREEITEM) tv->itemNew.hItem; | |
2461 | event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem; | |
2462 | } | |
08b7c251 | 2463 | } |
696e1ea0 VZ |
2464 | break; |
2465 | ||
bf9b6266 | 2466 | #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 && !wxUSE_COMCTL32_SAFELY && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) |
696e1ea0 VZ |
2467 | case NM_CUSTOMDRAW: |
2468 | { | |
2469 | LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam; | |
2470 | NMCUSTOMDRAW& nmcd = lptvcd->nmcd; | |
d7926e0b | 2471 | switch ( nmcd.dwDrawStage ) |
696e1ea0 VZ |
2472 | { |
2473 | case CDDS_PREPAINT: | |
2474 | // if we've got any items with non standard attributes, | |
2475 | // notify us before painting each item | |
2476 | *result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW | |
2477 | : CDRF_DODEFAULT; | |
d7926e0b | 2478 | break; |
696e1ea0 VZ |
2479 | |
2480 | case CDDS_ITEMPREPAINT: | |
2481 | { | |
2482 | wxTreeItemAttr *attr = | |
2483 | (wxTreeItemAttr *)m_attrs.Get(nmcd.dwItemSpec); | |
2484 | ||
2485 | if ( !attr ) | |
2486 | { | |
2487 | // nothing to do for this item | |
d7926e0b VZ |
2488 | *result = CDRF_DODEFAULT; |
2489 | break; | |
696e1ea0 VZ |
2490 | } |
2491 | ||
2492 | HFONT hFont; | |
696e1ea0 VZ |
2493 | if ( attr->HasFont() ) |
2494 | { | |
2076893b | 2495 | hFont = GetHfontOf(attr->GetFont()); |
696e1ea0 VZ |
2496 | } |
2497 | else | |
2498 | { | |
2499 | hFont = 0; | |
2500 | } | |
2501 | ||
2076893b | 2502 | wxColour colText; |
696e1ea0 VZ |
2503 | if ( attr->HasTextColour() ) |
2504 | { | |
2505 | colText = attr->GetTextColour(); | |
2506 | } | |
2507 | else | |
2508 | { | |
2509 | colText = GetForegroundColour(); | |
2510 | } | |
2511 | ||
2512 | // selection colours should override ours | |
2513 | if ( nmcd.uItemState & CDIS_SELECTED ) | |
2514 | { | |
2076893b VZ |
2515 | lptvcd->clrTextBk = |
2516 | ::GetSysColor(COLOR_HIGHLIGHT); | |
2517 | lptvcd->clrText = | |
2518 | ::GetSysColor(COLOR_HIGHLIGHTTEXT); | |
696e1ea0 | 2519 | } |
2076893b | 2520 | else // !selected |
696e1ea0 | 2521 | { |
2076893b | 2522 | wxColour colBack; |
696e1ea0 VZ |
2523 | if ( attr->HasBackgroundColour() ) |
2524 | { | |
2525 | colBack = attr->GetBackgroundColour(); | |
2526 | } | |
2527 | else | |
2528 | { | |
2529 | colBack = GetBackgroundColour(); | |
2530 | } | |
2531 | ||
2532 | lptvcd->clrText = wxColourToRGB(colText); | |
2533 | lptvcd->clrTextBk = wxColourToRGB(colBack); | |
2534 | } | |
2535 | ||
2536 | // note that if we wanted to set colours for | |
2537 | // individual columns (subitems), we would have | |
2538 | // returned CDRF_NOTIFYSUBITEMREDRAW from here | |
2539 | if ( hFont ) | |
2540 | { | |
2541 | ::SelectObject(nmcd.hdc, hFont); | |
2542 | ||
2543 | *result = CDRF_NEWFONT; | |
2544 | } | |
2545 | else | |
2546 | { | |
2547 | *result = CDRF_DODEFAULT; | |
2548 | } | |
696e1ea0 | 2549 | } |
d7926e0b | 2550 | break; |
696e1ea0 VZ |
2551 | |
2552 | default: | |
2553 | *result = CDRF_DODEFAULT; | |
696e1ea0 VZ |
2554 | } |
2555 | } | |
d7926e0b VZ |
2556 | |
2557 | // we always process it | |
2558 | return TRUE; | |
6ecfe2ac | 2559 | #endif // _WIN32_IE >= 0x300 |
08b7c251 | 2560 | |
f6bcfd97 BP |
2561 | case NM_DBLCLK: |
2562 | case NM_RCLICK: | |
2563 | { | |
2564 | TV_HITTESTINFO tvhti; | |
2565 | ::GetCursorPos(&tvhti.pt); | |
2566 | ::ScreenToClient(GetHwnd(), &tvhti.pt); | |
2567 | if ( TreeView_HitTest(GetHwnd(), &tvhti) ) | |
2568 | { | |
2569 | if ( tvhti.flags & TVHT_ONITEM ) | |
2570 | { | |
2571 | event.m_item = (WXHTREEITEM) tvhti.hItem; | |
2572 | eventType = (int)hdr->code == NM_DBLCLK | |
2573 | ? wxEVT_COMMAND_TREE_ITEM_ACTIVATED | |
2574 | : wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK; | |
8591268f VZ |
2575 | |
2576 | event.m_pointDrag.x = tvhti.pt.x; | |
2577 | event.m_pointDrag.y = tvhti.pt.y; | |
f6bcfd97 BP |
2578 | } |
2579 | ||
2580 | break; | |
2581 | } | |
2582 | } | |
2583 | // fall through | |
2584 | ||
08b7c251 | 2585 | default: |
a23fd0e1 | 2586 | return wxControl::MSWOnNotify(idCtrl, lParam, result); |
2bda0e17 | 2587 | } |
08b7c251 VZ |
2588 | |
2589 | event.SetEventObject(this); | |
2590 | event.SetEventType(eventType); | |
2591 | ||
fd3f686c | 2592 | bool processed = GetEventHandler()->ProcessEvent(event); |
08b7c251 VZ |
2593 | |
2594 | // post processing | |
5ea47806 | 2595 | switch ( hdr->code ) |
2bda0e17 | 2596 | { |
f6bcfd97 BP |
2597 | case NM_DBLCLK: |
2598 | // we translate NM_DBLCLK into ACTIVATED event, so don't interpret | |
2599 | // the return code of this event handler as the return value for | |
2600 | // NM_DBLCLK - otherwise, double clicking the item to toggle its | |
2601 | // expanded status would never work | |
2602 | *result = FALSE; | |
2603 | break; | |
2604 | ||
23f681ec VZ |
2605 | case TVN_BEGINDRAG: |
2606 | case TVN_BEGINRDRAG: | |
2607 | if ( event.IsAllowed() ) | |
2608 | { | |
2609 | // normally this is impossible because the m_dragImage is | |
2610 | // deleted once the drag operation is over | |
2611 | wxASSERT_MSG( !m_dragImage, _T("starting to drag once again?") ); | |
2612 | ||
2613 | m_dragImage = new wxDragImage(*this, event.m_item); | |
2614 | m_dragImage->BeginDrag(wxPoint(0, 0), this); | |
68be9f09 | 2615 | m_dragImage->Show(); |
23f681ec VZ |
2616 | } |
2617 | break; | |
2618 | ||
5ea47806 VZ |
2619 | case TVN_DELETEITEM: |
2620 | { | |
2621 | // NB: we might process this message using wxWindows event | |
2622 | // tables, but due to overhead of wxWin event system we | |
2623 | // prefer to do it here ourself (otherwise deleting a tree | |
2624 | // with many items is just too slow) | |
2625 | NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam; | |
74b31181 VZ |
2626 | |
2627 | wxTreeItemId item = event.m_item; | |
2628 | if ( HasIndirectData(item) ) | |
2629 | { | |
2630 | wxTreeItemIndirectData *data = (wxTreeItemIndirectData *) | |
2631 | tv->itemOld.lParam; | |
2632 | delete data; // can't be NULL here | |
74b31181 VZ |
2633 | } |
2634 | else | |
2635 | { | |
2636 | wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam; | |
2637 | delete data; // may be NULL, ok | |
2638 | } | |
08b7c251 | 2639 | |
5ea47806 VZ |
2640 | processed = TRUE; // Make sure we don't get called twice |
2641 | } | |
2642 | break; | |
2643 | ||
2644 | case TVN_BEGINLABELEDIT: | |
2645 | // return TRUE to cancel label editing | |
2646 | *result = !event.IsAllowed(); | |
cd6bd270 MB |
2647 | // set ES_WANTRETURN ( like we do in BeginLabelEdit ) |
2648 | if(event.IsAllowed()) | |
2649 | { | |
2650 | HWND hText = TreeView_GetEditControl(GetHwnd()); | |
2651 | if(hText != NULL) | |
2652 | { | |
2653 | // MBN: if m_textCtrl already has an HWND, it is a stale | |
2654 | // pointer from a previous edit (because the user | |
2655 | // didn't modify the label before dismissing the control, | |
2656 | // and TVN_ENDLABELEDIT was not sent), so delete it | |
2657 | if(m_textCtrl && m_textCtrl->GetHWND() != 0) | |
2658 | DeleteTextCtrl(); | |
2659 | if(!m_textCtrl) | |
2660 | m_textCtrl = new wxTextCtrl(); | |
2661 | m_textCtrl->SetParent(this); | |
2662 | m_textCtrl->SetHWND((WXHWND)hText); | |
2663 | m_textCtrl->SubclassWin((WXHWND)hText); | |
2664 | ||
2665 | // set wxTE_PROCESS_ENTER style for the text control to | |
2666 | // force it to process the Enter presses itself, otherwise | |
2667 | // they could be stolen from it by the dialog | |
2668 | // navigation code | |
2669 | m_textCtrl->SetWindowStyle(m_textCtrl->GetWindowStyle() | |
2670 | | wxTE_PROCESS_ENTER); | |
2671 | } | |
2672 | } | |
5ea47806 VZ |
2673 | break; |
2674 | ||
2675 | case TVN_ENDLABELEDIT: | |
188781db VZ |
2676 | // return TRUE to set the label to the new string: note that we |
2677 | // also must pretend that we did process the message or it is going | |
2678 | // to be passed to DefWindowProc() which will happily return FALSE | |
2679 | // cancelling the label change | |
5ea47806 | 2680 | *result = event.IsAllowed(); |
188781db | 2681 | processed = TRUE; |
5ea47806 VZ |
2682 | |
2683 | // ensure that we don't have the text ctrl which is going to be | |
2684 | // deleted any more | |
2685 | DeleteTextCtrl(); | |
2686 | break; | |
2687 | ||
2688 | case TVN_SELCHANGING: | |
2689 | case TVN_ITEMEXPANDING: | |
2690 | // return TRUE to prevent the action from happening | |
2691 | *result = !event.IsAllowed(); | |
2692 | break; | |
2693 | ||
deb1de30 VZ |
2694 | case TVN_ITEMEXPANDED: |
2695 | // the item is not refreshed properly after expansion when it has | |
2696 | // an image depending on the expanded/collapsed state - bug in | |
2697 | // comctl32.dll or our code? | |
2698 | { | |
bf43d750 VZ |
2699 | NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam; |
2700 | wxTreeItemId id = (WXHTREEITEM)tv->itemNew.hItem; | |
deb1de30 | 2701 | |
bf43d750 VZ |
2702 | int image = GetItemImage(id, wxTreeItemIcon_Expanded); |
2703 | if ( image != -1 ) | |
2704 | { | |
2705 | RefreshItem(id); | |
deb1de30 VZ |
2706 | } |
2707 | } | |
2708 | break; | |
2709 | ||
74b31181 VZ |
2710 | case TVN_GETDISPINFO: |
2711 | // NB: so far the user can't set the image himself anyhow, so do it | |
2712 | // anyway - but this may change later | |
bf43d750 | 2713 | //if ( /* !processed && */ 1 ) |
74b31181 VZ |
2714 | { |
2715 | wxTreeItemId item = event.m_item; | |
2716 | TV_DISPINFO *info = (TV_DISPINFO *)lParam; | |
2717 | if ( info->item.mask & TVIF_IMAGE ) | |
2718 | { | |
2719 | info->item.iImage = | |
2720 | DoGetItemImageFromData | |
2721 | ( | |
2722 | item, | |
2723 | IsExpanded(item) ? wxTreeItemIcon_Expanded | |
2724 | : wxTreeItemIcon_Normal | |
2725 | ); | |
2726 | } | |
2727 | if ( info->item.mask & TVIF_SELECTEDIMAGE ) | |
2728 | { | |
2729 | info->item.iSelectedImage = | |
2730 | DoGetItemImageFromData | |
2731 | ( | |
2732 | item, | |
2733 | IsExpanded(item) ? wxTreeItemIcon_SelectedExpanded | |
2734 | : wxTreeItemIcon_Selected | |
2735 | ); | |
2736 | } | |
deb1de30 | 2737 | } |
74b31181 VZ |
2738 | break; |
2739 | ||
5ea47806 VZ |
2740 | //default: |
2741 | // for the other messages the return value is ignored and there is | |
2742 | // nothing special to do | |
2743 | } | |
fd3f686c | 2744 | return processed; |
2bda0e17 KB |
2745 | } |
2746 | ||
08b7c251 | 2747 | #endif // __WIN95__ |
2bda0e17 | 2748 | |
1e6feb95 | 2749 | #endif // wxUSE_TREECTRL |