Allow many Objective-C classes to be uniquified at runtime.
[wxWidgets.git] / src / cocoa / toplevel.mm
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name:        src/cocoa/toplevel.mm
3 // Purpose:     implements wxTopLevelWindow for Cocoa
4 // Author:      David Elliott
5 // Modified by:
6 // Created:     2002/11/27
7 // RCS-ID:      $Id$
8 // Copyright:   (c) 2002 David Elliott
9 // Licence:     wxWidgets licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 // For compilers that support precompilation, includes "wx.h".
21 #include "wx/wxprec.h"
22
23 #include "wx/toplevel.h"
24
25 #ifndef WX_PRECOMP
26     #include "wx/window.h"
27     #include "wx/menuitem.h"
28     #include "wx/frame.h"
29     #include "wx/log.h"
30     #include "wx/app.h"
31 #endif //WX_PRECOMP
32
33 #include "wx/cocoa/autorelease.h"
34 #include "wx/cocoa/string.h"
35
36 #include "wx/cocoa/objc/NSView.h"
37 #include "wx/cocoa/objc/NSWindow.h"
38 #import <AppKit/NSPanel.h>
39
40 // ----------------------------------------------------------------------------
41 // globals
42 // ----------------------------------------------------------------------------
43
44 // list of all frames and modeless dialogs
45 wxWindowList       wxModelessWindows;
46
47 // ============================================================================
48 // wxTopLevelWindowCocoa implementation
49 // ============================================================================
50
51 wxTopLevelWindowCocoa *wxTopLevelWindowCocoa::sm_cocoaDeactivateWindow = NULL;
52
53 // ----------------------------------------------------------------------------
54 // wxTopLevelWindowCocoa creation
55 // ----------------------------------------------------------------------------
56 BEGIN_EVENT_TABLE(wxTopLevelWindowCocoa,wxTopLevelWindowBase)
57     EVT_CLOSE(wxTopLevelWindowCocoa::OnCloseWindow)
58 END_EVENT_TABLE()
59
60 void wxTopLevelWindowCocoa::Init()
61 {
62     m_iconized =
63     m_maximizeOnShow =
64     m_closed = false;
65 }
66
67 unsigned int wxTopLevelWindowCocoa::NSWindowStyleForWxStyle(long style)
68 {
69     unsigned int styleMask = 0;
70     if(style & wxCAPTION)
71         styleMask |= NSTitledWindowMask;
72     if(style & wxMINIMIZE_BOX)
73         styleMask |= NSMiniaturizableWindowMask;
74     #if 0
75     if(style & wxMAXIMIZE_BOX)
76         styleMask |= NSWindowMask;
77         #endif
78     if(style & wxCLOSE_BOX)
79         styleMask |= NSClosableWindowMask;
80     if(style & wxRESIZE_BORDER)
81         styleMask |= NSResizableWindowMask;
82     if(style & wxSIMPLE_BORDER)
83         styleMask |= NSBorderlessWindowMask;
84     return styleMask;
85 }
86
87 bool wxTopLevelWindowCocoa::Create(wxWindow *parent,
88                                  wxWindowID winid,
89                                  const wxString& title,
90                                  const wxPoint& pos,
91                                  const wxSize& size,
92                                  long style,
93                                  const wxString& name)
94 {
95     wxAutoNSAutoreleasePool pool;
96     wxTopLevelWindows.Append(this);
97
98     if(!CreateBase(parent,winid,pos,size,style,wxDefaultValidator,name))
99         return false;
100
101     if ( parent )
102         parent->AddChild(this);
103
104     unsigned int cocoaStyle = NSWindowStyleForWxStyle(style);
105     if(style & wxFRAME_TOOL_WINDOW)
106         cocoaStyle |= NSUtilityWindowMask;
107
108     // Create frame and check and handle default position and size
109     int realx,
110         realy;
111
112     // WX has no set default position - the carbon port caps the low
113     // end at 20, 50.  Here we do the same, except instead of setting
114     // it to 20 and 50, we set it to 100 and 100 if the values are too low
115     if (pos.x < 20)
116         realx = 100;
117     else
118         realx = pos.x;
119
120     if (pos.y < 50)
121         realy = 100;
122     else
123         realy = pos.y;
124
125     int realw = WidthDefault(size.x);
126     int realh = HeightDefault(size.y);
127
128     // NOTE: y-origin needs to be flipped.
129     NSRect cocoaRect = [NSWindow
130                         contentRectForFrameRect:NSMakeRect(realx,realy,realw,realh)
131                         styleMask:cocoaStyle];
132
133     m_cocoaNSWindow = NULL;
134     m_cocoaNSView = NULL;
135     // NOTE: We may need to deal with the contentView becoming a wx NSView as well.
136     NSWindow *newWindow;
137     // Create a WXNSPanel or a WXNSWindow depending on what type of window is desired.
138     if(style & wxFRAME_TOOL_WINDOW)
139         newWindow = [[WXNSPanel alloc] initWithContentRect:cocoaRect styleMask:cocoaStyle backing:NSBackingStoreBuffered defer:NO];
140     else
141         newWindow = [[WXNSWindow alloc] initWithContentRect:cocoaRect styleMask:cocoaStyle backing:NSBackingStoreBuffered defer:NO];
142     // Make sure the default content view is a WXNSView
143     [newWindow setContentView: [[WX_GET_OBJC_CLASS(WXNSView) alloc] initWithFrame: [[newWindow contentView] frame]]];
144     // Associate the window and view
145     SetNSWindow(newWindow);
146
147     // NOTE: SetNSWindow has retained the Cocoa object for this object.
148     // Because we do not release on close, the following release matches the
149     // above alloc and thus the retain count will be 1.
150     [m_cocoaNSWindow release];
151
152     if(style & wxFRAME_NO_TASKBAR)
153         [m_cocoaNSWindow setExcludedFromWindowsMenu: YES];
154     if(style & wxSTAY_ON_TOP)
155         [m_cocoaNSWindow setLevel:NSFloatingWindowLevel];
156     [m_cocoaNSWindow setTitle:wxNSStringWithWxString(title)];
157     return true;
158 }
159
160 wxTopLevelWindowCocoa::~wxTopLevelWindowCocoa()
161 {
162     wxASSERT(sm_cocoaDeactivateWindow!=this);
163     wxAutoNSAutoreleasePool pool;
164     DestroyChildren();
165     if(m_cocoaNSView)
166         SendDestroyEvent();
167     SetNSWindow(NULL);
168 }
169
170 bool wxTopLevelWindowCocoa::Destroy()
171 {
172     if(sm_cocoaDeactivateWindow==this)
173     {
174         sm_cocoaDeactivateWindow = NULL;
175         wxTopLevelWindowCocoa::CocoaDelegate_windowDidResignKey();
176     }
177     return wxTopLevelWindowBase::Destroy();
178 }
179
180 // ----------------------------------------------------------------------------
181 // wxTopLevelWindowCocoa Cocoa Specifics
182 // ----------------------------------------------------------------------------
183
184 wxMenuBar* wxTopLevelWindowCocoa::GetAppMenuBar(wxCocoaNSWindow *win)
185 {
186     wxTopLevelWindowCocoa *parent = wxDynamicCast(GetParent(),wxTopLevelWindow);
187     if(parent)
188         return parent->GetAppMenuBar(win);
189     return NULL;
190 }
191
192 void wxTopLevelWindowCocoa::SetNSWindow(WX_NSWindow cocoaNSWindow)
193 {
194     bool need_debug = cocoaNSWindow || m_cocoaNSWindow;
195     if(need_debug) wxLogTrace(wxTRACE_COCOA_RetainRelease,wxT("wxTopLevelWindowCocoa=%p::SetNSWindow [m_cocoaNSWindow=%p retainCount]=%d"),this,m_cocoaNSWindow,[m_cocoaNSWindow retainCount]);
196     DisassociateNSWindow(m_cocoaNSWindow);
197     [cocoaNSWindow retain];
198     [m_cocoaNSWindow release];
199     m_cocoaNSWindow = cocoaNSWindow;
200     // NOTE: We are no longer using posing so we won't get events on the
201     // window's view unless it was explicitly created as the wx view class.
202     if(m_cocoaNSWindow)
203         SetNSView([m_cocoaNSWindow contentView]);
204     else
205         SetNSView(NULL);
206     AssociateNSWindow(m_cocoaNSWindow);
207     if(need_debug) wxLogTrace(wxTRACE_COCOA_RetainRelease,wxT("wxTopLevelWindowCocoa=%p::SetNSWindow [cocoaNSWindow=%p retainCount]=%d"),this,cocoaNSWindow,[cocoaNSWindow retainCount]);
208 }
209
210 void wxTopLevelWindowCocoa::CocoaReplaceView(WX_NSView oldView, WX_NSView newView)
211 {
212     if([m_cocoaNSWindow contentView] == (id)oldView)
213         [m_cocoaNSWindow setContentView:newView];
214 }
215
216 /*static*/ void wxTopLevelWindowCocoa::DeactivatePendingWindow()
217 {
218     if(sm_cocoaDeactivateWindow)
219         sm_cocoaDeactivateWindow->wxTopLevelWindowCocoa::CocoaDelegate_windowDidResignKey();
220     sm_cocoaDeactivateWindow = NULL;
221 }
222
223 void wxTopLevelWindowCocoa::CocoaDelegate_windowDidBecomeKey(void)
224 {
225     DeactivatePendingWindow();
226     wxLogTrace(wxTRACE_COCOA,wxT("wxTopLevelWindowCocoa=%p::CocoaDelegate_windowDidBecomeKey"),this);
227     wxActivateEvent event(wxEVT_ACTIVATE, true, GetId());
228     event.SetEventObject(this);
229     GetEventHandler()->ProcessEvent(event);
230 }
231
232 void wxTopLevelWindowCocoa::CocoaDelegate_windowDidResignKey(void)
233 {
234     wxLogTrace(wxTRACE_COCOA,wxT("wxTopLevelWindowCocoa=%p::CocoaDelegate_windowDidResignKey"),this);
235     wxActivateEvent event(wxEVT_ACTIVATE, false, GetId());
236     event.SetEventObject(this);
237     GetEventHandler()->ProcessEvent(event);
238 }
239
240 void wxTopLevelWindowCocoa::CocoaDelegate_windowDidBecomeMain(void)
241 {
242     wxLogTrace(wxTRACE_COCOA,wxT("wxTopLevelWindowCocoa=%p::CocoaDelegate_windowDidBecomeMain"),this);
243 }
244
245 void wxTopLevelWindowCocoa::CocoaDelegate_windowDidResignMain(void)
246 {
247     wxLogTrace(wxTRACE_COCOA,wxT("wxTopLevelWindowCocoa=%p::CocoaDelegate_windowDidResignMain"),this);
248 }
249
250 void wxTopLevelWindowCocoa::CocoaDelegate_windowWillClose(void)
251 {
252     m_closed = true;
253     Destroy();
254 }
255
256 bool wxTopLevelWindowCocoa::CocoaDelegate_windowShouldClose()
257 {
258     return wxWindowBase::Close(false);
259 }
260
261 void wxTopLevelWindowCocoa::CocoaDelegate_wxMenuItemAction(WX_NSMenuItem menuItem)
262 {
263 }
264
265 bool wxTopLevelWindowCocoa::CocoaDelegate_validateMenuItem(WX_NSMenuItem menuItem)
266 {
267     return false;
268 }
269
270 // ----------------------------------------------------------------------------
271 // wxTopLevelWindowCocoa maximize/minimize
272 // ----------------------------------------------------------------------------
273
274 void wxTopLevelWindowCocoa::Maximize(bool maximize)
275 {
276 }
277
278 bool wxTopLevelWindowCocoa::IsMaximized() const
279 {
280     return false ;
281 }
282
283 void wxTopLevelWindowCocoa::Iconize(bool iconize)
284 {
285 }
286
287 bool wxTopLevelWindowCocoa::IsIconized() const
288 {
289     return false;
290 }
291
292 void wxTopLevelWindowCocoa::Restore()
293 {
294 }
295
296 bool wxTopLevelWindowCocoa::Show(bool show)
297 {
298     if(m_isShown == show)
299         return false;
300     wxAutoNSAutoreleasePool pool;
301     if(show)
302     {
303         // Send the window a size event because wxWidgets apps expect it
304         // NOTE: This should really only be done the first time a window
305         // is shown.  I doubt this will cause any problems though.
306         wxSizeEvent event(GetSize(), GetId());
307         event.SetEventObject(this);
308         GetEventHandler()->ProcessEvent(event);
309
310         [m_cocoaNSWindow makeKeyAndOrderFront:m_cocoaNSWindow];
311     }
312     else
313         [m_cocoaNSWindow orderOut:m_cocoaNSWindow];
314     m_isShown = show;
315     return true;
316 }
317
318 bool wxTopLevelWindowCocoa::Close(bool force)
319 {
320     if(force)
321         return wxWindowBase::Close(force);
322     // performClose  will fake the user clicking the close button which
323     // will invoke windowShouldClose which will call the base class version
324     // of Close() which will NOT Destroy() the window (see below) but
325     // if closing is not stopped, then performClose will go ahead and
326     // close the window which will send the close notifications setting
327     // m_closed to true and Destroy()ing the window.
328     [m_cocoaNSWindow performClose:m_cocoaNSWindow];
329     return m_closed;
330 }
331
332 void wxTopLevelWindowCocoa::OnCloseWindow(wxCloseEvent& event)
333 {
334     // If the event was forced, close the window which will Destroy() it
335     if(!event.CanVeto())
336         [m_cocoaNSWindow close];
337     // if the event was not forced, it's probably because the user clicked
338     // the close button, or Close(false) was called which (see above) is
339     // redirected to performClose and thus Cocoa itself will close the window
340 }
341
342 // ----------------------------------------------------------------------------
343 // wxTopLevelWindowCocoa misc
344 // ----------------------------------------------------------------------------
345
346 void wxTopLevelWindowCocoa::SetTitle(const wxString& title)
347 {
348     [m_cocoaNSWindow setTitle:wxNSStringWithWxString(title)];
349 }
350
351 wxString wxTopLevelWindowCocoa::GetTitle() const
352 {
353     return wxStringWithNSString([m_cocoaNSWindow title]);
354 }
355
356 bool wxTopLevelWindowCocoa::ShowFullScreen(bool show, long style)
357 {
358     return false;
359 }
360
361 bool wxTopLevelWindowCocoa::IsFullScreen() const
362 {
363     return false;
364 }
365
366 void wxTopLevelWindowCocoa::CocoaSetWxWindowSize(int width, int height)
367 {
368     // Set the NSView size by setting the frame size to enclose it
369     unsigned int styleMask = [m_cocoaNSWindow styleMask];
370     NSRect frameRect = [m_cocoaNSWindow frame];
371     NSRect contentRect = [NSWindow
372         contentRectForFrameRect: frameRect
373         styleMask: styleMask];
374     contentRect.size.width = width;
375     contentRect.size.height = height;
376     frameRect = [NSWindow
377         frameRectForContentRect: contentRect
378         styleMask: styleMask];
379     [m_cocoaNSWindow setFrame: frameRect display: NO];
380 }
381
382 void wxTopLevelWindowCocoa::DoMoveWindow(int x, int y, int width, int height)
383 {
384     wxLogTrace(wxTRACE_COCOA_TopLevelWindow_Size,wxT("wxTopLevelWindow=%p::DoMoveWindow(%d,%d,%d,%d)"),this,x,y,width,height);
385
386     NSRect cocoaRect = NSMakeRect(x,y,width,height);
387     [m_cocoaNSWindow setFrame: cocoaRect display:NO];
388 }
389
390 void wxTopLevelWindowCocoa::DoGetSize(int *w, int *h) const
391 {
392     NSRect cocoaRect = [m_cocoaNSWindow frame];
393     if(w)
394         *w=(int)cocoaRect.size.width;
395     if(h)
396         *h=(int)cocoaRect.size.height;
397     wxLogTrace(wxTRACE_COCOA_TopLevelWindow_Size,wxT("wxTopLevelWindow=%p::DoGetSize = (%d,%d)"),this,(int)cocoaRect.size.width,(int)cocoaRect.size.height);
398 }
399
400 void wxTopLevelWindowCocoa::DoGetPosition(int *x, int *y) const
401 {
402     NSRect cocoaRect = [m_cocoaNSWindow frame];
403     if(x)
404         *x=(int)cocoaRect.origin.x;
405     if(y)
406         *y=(int)cocoaRect.origin.y;
407     wxLogTrace(wxTRACE_COCOA_TopLevelWindow_Size,wxT("wxTopLevelWindow=%p::DoGetPosition = (%d,%d)"),this,(int)cocoaRect.origin.x,(int)cocoaRect.origin.y);
408 }