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[wxWidgets.git] / src / msw / control.cpp
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2bda0e17 1/////////////////////////////////////////////////////////////////////////////
a71d815b 2// Name: src/msw/control.cpp
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3// Purpose: wxControl class
4// Author: Julian Smart
5// Modified by:
6// Created: 01/02/97
7// RCS-ID: $Id$
6c9a19aa 8// Copyright: (c) Julian Smart
65571936 9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
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12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
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20// For compilers that support precompilation, includes "wx.h".
21#include "wx/wxprec.h"
22
23#ifdef __BORLANDC__
1e6feb95 24 #pragma hdrstop
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25#endif
26
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27#if wxUSE_CONTROLS
28
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29#include "wx/control.h"
30
2bda0e17 31#ifndef WX_PRECOMP
57bd4c60 32 #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
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33 #include "wx/event.h"
34 #include "wx/app.h"
35 #include "wx/dcclient.h"
36 #include "wx/log.h"
34040e31 37 #include "wx/settings.h"
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38#endif
39
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40#if wxUSE_LISTCTRL
41 #include "wx/listctrl.h"
42#endif // wxUSE_LISTCTRL
43
44#if wxUSE_TREECTRL
45 #include "wx/treectrl.h"
46#endif // wxUSE_TREECTRL
01c500af 47
2bda0e17 48#include "wx/msw/private.h"
01c500af 49#include "wx/msw/uxtheme.h"
2bda0e17 50
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51// ----------------------------------------------------------------------------
52// wxWin macros
53// ----------------------------------------------------------------------------
54
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55IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
56
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57// ============================================================================
58// wxControl implementation
59// ============================================================================
60
61// ----------------------------------------------------------------------------
62// wxControl ctor/dtor
63// ----------------------------------------------------------------------------
2bda0e17 64
42e69d6b 65wxControl::~wxControl()
2bda0e17 66{
d95de154 67 m_isBeingDeleted = true;
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68}
69
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70// ----------------------------------------------------------------------------
71// control window creation
72// ----------------------------------------------------------------------------
8d772832 73
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74bool wxControl::Create(wxWindow *parent,
75 wxWindowID id,
8d772832 76 const wxPoint& pos,
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77 const wxSize& size,
78 long style,
ac8d0c11 79 const wxValidator& wxVALIDATOR_PARAM(validator),
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80 const wxString& name)
81{
5b2f31eb 82 if ( !wxWindow::Create(parent, id, pos, size, style, name) )
d95de154 83 return false;
5b2f31eb 84
8d772832 85#if wxUSE_VALIDATORS
5b2f31eb 86 SetValidator(validator);
8d772832 87#endif
5b2f31eb 88
d95de154 89 return true;
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90}
91
92bool wxControl::MSWCreateControl(const wxChar *classname,
93 const wxString& label,
94 const wxPoint& pos,
6dd16e4f 95 const wxSize& size)
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96{
97 WXDWORD exstyle;
6dd16e4f 98 WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), &exstyle);
5b2f31eb 99
2eb4c3aa 100 return MSWCreateControl(classname, msStyle, pos, size, label, exstyle);
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101}
102
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103bool wxControl::MSWCreateControl(const wxChar *classname,
104 WXDWORD style,
105 const wxPoint& pos,
106 const wxSize& size,
107 const wxString& label,
2eb4c3aa 108 WXDWORD exstyle)
8d99be5f 109{
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110 // if no extended style given, determine it ourselves
111 if ( exstyle == (WXDWORD)-1 )
112 {
fe3d9123 113 exstyle = 0;
65bc172c 114 (void) MSWGetStyle(GetWindowStyle(), &exstyle);
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115 }
116
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117 // all controls should have this style
118 style |= WS_CHILD;
119
77ffb593 120 // create the control visible if it's currently shown for wxWidgets
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121 if ( m_isShown )
122 {
123 style |= WS_VISIBLE;
124 }
3f2711d5 125
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126 // choose the position for the control: we have a problem with default size
127 // here as we can't calculate the best size before the control exists
128 // (DoGetBestSize() may need to use m_hWnd), so just choose the minimal
129 // possible but non 0 size because 0 window width/height result in problems
130 // elsewhere
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131 int x = pos.x == wxDefaultCoord ? 0 : pos.x,
132 y = pos.y == wxDefaultCoord ? 0 : pos.y,
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133 w = size.x == wxDefaultCoord ? 1 : size.x,
134 h = size.y == wxDefaultCoord ? 1 : size.y;
a63cbfa3 135
7c0a023d 136 // ... and adjust it to account for a possible parent frames toolbar
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137 AdjustForParentClientOrigin(x, y);
138
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139 m_hWnd = (WXHWND)::CreateWindowEx
140 (
222594ea 141 exstyle, // extended style
8d99be5f 142 classname, // the kind of control to create
7862127b 143 label, // the window name
8d99be5f 144 style, // the window style
a63cbfa3 145 x, y, w, h, // the window position and size
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146 GetHwndOf(GetParent()), // parent
147 (HMENU)GetId(), // child id
148 wxGetInstance(), // app instance
149 NULL // creation parameters
150 );
151
152 if ( !m_hWnd )
153 {
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154#ifdef __WXDEBUG__
155 wxFAIL_MSG(wxString::Format
156 (
157 _T("CreateWindowEx(\"%s\", flags=%08x, ex=%08x) failed"),
f62ff2f1 158 classname, (unsigned int)style, (unsigned int)exstyle
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159 ));
160#endif // __WXDEBUG__
8d99be5f 161
d95de154 162 return false;
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163 }
164
77ffb593 165 // install wxWidgets window proc for this window
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166 SubclassWin(m_hWnd);
167
34040e31 168 // set up fonts and colours
8d99be5f 169 InheritAttributes();
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170 if ( !m_hasFont )
171 {
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172 bool setFont = true;
173
174 wxFont font = GetDefaultAttributes().font;
175
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176 // if we set a font for {list,tree}ctrls and the font size is changed in
177 // the display properties then the font size for these controls doesn't
178 // automatically adjust when they receive WM_SETTINGCHANGE
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179
180 // FIXME: replace the dynamic casts with virtual function calls!!
181#if wxUSE_LISTCTRL || wxUSE_TREECTRL
182 bool testFont = false;
183#if wxUSE_LISTCTRL
184 if ( wxDynamicCastThis(wxListCtrl) )
185 testFont = true;
186#endif // wxUSE_LISTCTRL
187#if wxUSE_TREECTRL
188 if ( wxDynamicCastThis(wxTreeCtrl) )
189 testFont = true;
28f9f58c 190#endif // wxUSE_TREECTRL
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191
192 if ( testFont )
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193 {
194 // not sure if we need to explicitly set the font here for Win95/NT4
195 // but we definitely can't do it for any newer version
196 // see wxGetCCDefaultFont() in src/msw/settings.cpp for explanation
197 // of why this test works
198
199 // TODO: test Win95/NT4 to see if this is needed or breaks the
200 // font resizing as it does on newer versions
82c591d7 201 if ( font != wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT) )
3c96418b 202 {
82c591d7 203 setFont = false;
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204 }
205 }
3c96418b 206#endif // wxUSE_LISTCTRL || wxUSE_TREECTRL
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207
208 if ( setFont )
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209 {
210 SetFont(GetDefaultAttributes().font);
211 }
212 }
8d99be5f 213
a63cbfa3 214 // set the size now if no initial size specified
170acdc9 215 SetInitialSize(size);
a63cbfa3 216
d95de154 217 return true;
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218}
219
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220// ----------------------------------------------------------------------------
221// various accessors
222// ----------------------------------------------------------------------------
223
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224wxBorder wxControl::GetDefaultBorder() const
225{
226 // we want to automatically give controls a sunken style (confusingly,
227 // it may not really mean sunken at all as we map it to WS_EX_CLIENTEDGE
228 // which is not sunken at all under Windows XP -- rather, just the default)
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229#if defined(__POCKETPC__) || defined(__SMARTPHONE__)
230 return wxBORDER_SIMPLE;
231#else
65bc172c 232 return wxBORDER_SUNKEN;
edea6281 233#endif
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234}
235
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236WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const
237{
238 long msStyle = wxWindow::MSWGetStyle(style, exstyle);
239
240 if ( AcceptsFocus() )
241 {
242 msStyle |= WS_TABSTOP;
243 }
244
245 return msStyle;
246}
247
f68586e5 248wxSize wxControl::DoGetBestSize() const
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249{
250 return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT);
251}
252
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253// This is a helper for all wxControls made with UPDOWN native control.
254// In wxMSW it was only wxSpinCtrl derived from wxSpinButton but in
255// WinCE of Smartphones this happens also for native wxTextCtrl,
256// wxChoice and others.
5aaabb37 257wxSize wxControl::GetBestSpinnerSize(const bool is_vertical) const
4bf45c9e 258{
b081046a 259 // take size according to layout
1550d5f8 260 wxSize bestSize(
285f605a 261#if defined(__SMARTPHONE__) && defined(__WXWINCE__)
1550d5f8 262 0,GetCharHeight()
3180bc0e 263#else
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264 ::GetSystemMetrics(is_vertical ? SM_CXVSCROLL : SM_CXHSCROLL),
265 ::GetSystemMetrics(is_vertical ? SM_CYVSCROLL : SM_CYHSCROLL)
3180bc0e 266#endif
1550d5f8 267 );
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268
269 // correct size as for undocumented MSW variants cases (WinCE and perhaps others)
270 if (bestSize.x==0)
271 bestSize.x = bestSize.y;
272 if (bestSize.y==0)
273 bestSize.y = bestSize.x;
274
275 // double size according to layout
4bf45c9e 276 if (is_vertical)
b081046a 277 bestSize.y *= 2;
4bf45c9e 278 else
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279 bestSize.x *= 2;
280
281 return bestSize;
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282}
283
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284/* static */ wxVisualAttributes
285wxControl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
286{
287 wxVisualAttributes attrs;
288
289 // old school (i.e. not "common") controls use the standard dialog font
290 // by default
291 attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
292
293 // most, or at least many, of the controls use the same colours as the
294 // buttons -- others will have to override this (and possibly simply call
295 // GetCompositeControlsDefaultAttributes() from their versions)
296 attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNTEXT);
297 attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
298
299 return attrs;
300}
301
302// another version for the "composite", i.e. non simple controls
303/* static */ wxVisualAttributes
fbfe58cb 304wxControl::GetCompositeControlsDefaultAttributes(wxWindowVariant WXUNUSED(variant))
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305{
306 wxVisualAttributes attrs;
307 attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
308 attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
309 attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
310
311 return attrs;
312}
313
314// ----------------------------------------------------------------------------
315// message handling
316// ----------------------------------------------------------------------------
317
42e69d6b 318bool wxControl::ProcessCommand(wxCommandEvent& event)
2bda0e17 319{
42e69d6b 320 return GetEventHandler()->ProcessEvent(event);
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321}
322
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323bool wxControl::MSWOnNotify(int idCtrl,
324 WXLPARAM lParam,
325 WXLPARAM* result)
2bda0e17 326{
5cb598ae 327 wxEventType eventType wxDUMMY_INITIALIZE(wxEVT_NULL);
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328
329 NMHDR *hdr = (NMHDR*) lParam;
330 switch ( hdr->code )
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331 {
332 case NM_CLICK:
333 eventType = wxEVT_COMMAND_LEFT_CLICK;
334 break;
2bda0e17 335
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336 case NM_DBLCLK:
337 eventType = wxEVT_COMMAND_LEFT_DCLICK;
338 break;
2bda0e17 339
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340 case NM_RCLICK:
341 eventType = wxEVT_COMMAND_RIGHT_CLICK;
342 break;
2bda0e17 343
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344 case NM_RDBLCLK:
345 eventType = wxEVT_COMMAND_RIGHT_DCLICK;
346 break;
2bda0e17 347
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348 case NM_SETFOCUS:
349 eventType = wxEVT_COMMAND_SET_FOCUS;
350 break;
debe6624 351
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352 case NM_KILLFOCUS:
353 eventType = wxEVT_COMMAND_KILL_FOCUS;
354 break;
2bda0e17 355
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356 case NM_RETURN:
357 eventType = wxEVT_COMMAND_ENTER;
358 break;
359
360 default:
361 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
362 }
fd3f686c 363
b6e5eaa5 364 wxCommandEvent event(wxEVT_NULL, m_windowId);
2bda0e17 365 event.SetEventType(eventType);
a23fd0e1 366 event.SetEventObject(this);
2bda0e17 367
a23fd0e1 368 return GetEventHandler()->ProcessEvent(event);
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369}
370
2bae4332 371WXHBRUSH wxControl::DoMSWControlColor(WXHDC pDC, wxColour colBg, WXHWND hWnd)
f048e32f 372{
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373 HDC hdc = (HDC)pDC;
374 if ( m_hasFgCol )
6ed16512 375 {
01c500af 376 ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
6ed16512 377 }
01c500af 378
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379 WXHBRUSH hbr = 0;
380 if ( !colBg.Ok() )
381 {
2bae4332 382 hbr = MSWGetBgBrush(pDC, hWnd);
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383
384 // if the control doesn't have any bg colour, foreground colour will be
385 // ignored as the return value would be 0 -- so forcefully give it a
386 // non default background brush in this case
387 if ( !hbr && m_hasFgCol )
388 colBg = GetBackgroundColour();
389 }
390
d1a47dfe 391 // use the background colour override if a valid colour is given
5c836c46 392 if ( colBg.Ok() )
f048e32f 393 {
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394 ::SetBkColor(hdc, wxColourToRGB(colBg));
395
d1a47dfe 396 // draw children with the same colour as the parent
5c836c46 397 wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBg, wxSOLID);
01c500af 398
d1a47dfe 399 hbr = (WXHBRUSH)brush->GetResourceHandle();
3d2f4457 400
d1a47dfe 401 }
f048e32f 402
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403 // if we use custom background, we should set foreground ourselves too
404 if ( hbr && !m_hasFgCol )
405 {
406 ::SetTextColor(hdc, ::GetSysColor(COLOR_WINDOWTEXT));
407 }
408 //else: already set above
409
d1a47dfe 410 return hbr;
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411}
412
2bae4332 413WXHBRUSH wxControl::MSWControlColor(WXHDC pDC, WXHWND hWnd)
5c836c46 414{
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415 wxColour colBg;
416
417 if ( HasTransparentBackground() )
418 ::SetBkMode((HDC)pDC, TRANSPARENT);
419 else // if the control is opaque it shouldn't use the parents background
420 colBg = GetBackgroundColour();
01c500af 421
2bae4332 422 return DoMSWControlColor(pDC, colBg, hWnd);
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423}
424
425WXHBRUSH wxControl::MSWControlColorDisabled(WXHDC pDC)
426{
dd12ce22 427 return DoMSWControlColor(pDC,
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428 wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE),
429 GetHWND());
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430}
431
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432// ---------------------------------------------------------------------------
433// global functions
434// ---------------------------------------------------------------------------
2bda0e17 435
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436// this is used in radiobox.cpp and slider95.cpp and should be removed as soon
437// as it is not needed there any more!
438//
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439// Call this repeatedly for several wnds to find the overall size
440// of the widget.
d95de154 441// Call it initially with wxDefaultCoord for all values in rect.
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442// Keep calling for other widgets, and rect will be modified
443// to calculate largest bounding rectangle.
444void wxFindMaxSize(WXHWND wnd, RECT *rect)
2bda0e17 445{
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446 int left = rect->left;
447 int right = rect->right;
448 int top = rect->top;
449 int bottom = rect->bottom;
2bda0e17 450
42e69d6b 451 GetWindowRect((HWND) wnd, rect);
2bda0e17 452
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453 if (left < 0)
454 return;
2bda0e17 455
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456 if (left < rect->left)
457 rect->left = left;
2bda0e17 458
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459 if (right > rect->right)
460 rect->right = right;
2bda0e17 461
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462 if (top < rect->top)
463 rect->top = top;
2bda0e17 464
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465 if (bottom > rect->bottom)
466 rect->bottom = bottom;
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467}
468
1e6feb95 469#endif // wxUSE_CONTROLS