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// Copyright:   (c) 2002 David Elliott
8// Licence:     wxWindows licence
9///////////////////////////////////////////////////////////////////////////////
10
11// ============================================================================
12// declarations
13// ============================================================================
14
15// ----------------------------------------------------------------------------
16// headers
17// ----------------------------------------------------------------------------
18
19// For compilers that support precompilation, includes "wx.h".
20#include "wx/wxprec.h"
21
22#include "wx/toplevel.h"
23
24#ifndef WX_PRECOMP
25    #include "wx/window.h"
26    #include "wx/menuitem.h"
27    #include "wx/frame.h"
28    #include "wx/log.h"
29    #include "wx/app.h"
30#endif //WX_PRECOMP
31
32#include "wx/cocoa/autorelease.h"
33#include "wx/cocoa/string.h"
34#include "wx/cocoa/ObjcRef.h"
35
36#include "wx/cocoa/objc/NSView.h"
37#include "wx/cocoa/objc/NSWindow.h"
38#import <AppKit/NSPanel.h>
39#import <AppKit/NSButtonCell.h>
40#import <AppKit/NSControl.h>
41
42// ----------------------------------------------------------------------------
43// globals
44// ----------------------------------------------------------------------------
45
46// list of all frames and modeless dialogs
47wxWindowList       wxModelessWindows;
48
49// ============================================================================
50// wxTopLevelWindowCocoa implementation
51// ============================================================================
52
53wxTopLevelWindowCocoa *wxTopLevelWindowCocoa::sm_cocoaDeactivateWindow = NULL;
54
55// ----------------------------------------------------------------------------
56// wxTopLevelWindowCocoa creation
57// ----------------------------------------------------------------------------
58BEGIN_EVENT_TABLE(wxTopLevelWindowCocoa,wxTopLevelWindowBase)
59    EVT_CLOSE(wxTopLevelWindowCocoa::OnCloseWindow)
60END_EVENT_TABLE()
61
62void wxTopLevelWindowCocoa::Init()
63{
64    m_iconized =
65    m_maximizeOnShow =
66    m_closed = false;
67}
68
69unsigned int wxTopLevelWindowCocoa::NSWindowStyleForWxStyle(long style)
70{
71    unsigned int styleMask = 0;
72    if(style & wxCAPTION)
73        styleMask |= NSTitledWindowMask;
74    if(style & wxMINIMIZE_BOX)
75        styleMask |= NSMiniaturizableWindowMask;
76    #if 0
77    if(style & wxMAXIMIZE_BOX)
78        styleMask |= NSWindowMask;
79        #endif
80    if(style & wxCLOSE_BOX)
81        styleMask |= NSClosableWindowMask;
82    if(style & wxRESIZE_BORDER)
83        styleMask |= NSResizableWindowMask;
84    if(style & wxSIMPLE_BORDER)
85        styleMask |= NSBorderlessWindowMask;
86    return styleMask;
87}
88
89NSRect wxTopLevelWindowCocoa::MakeInitialNSWindowContentRect(const wxPoint& pos, const wxSize& size, unsigned int cocoaStyleMask)
90{
91    // Arbitrarily use (100,100) as the origin when default coords are given.
92    wxCoord x = pos.x!=wxDefaultCoord ? pos.x : 100;
93    wxCoord y = pos.y!=wxDefaultCoord ? pos.y : 100;
94
95    wxCoord w = WidthDefault(size.x);
96    wxCoord h = HeightDefault(size.y);
97
98    NSPoint cocoaOrigin = OriginInCocoaScreenCoordinatesForRectInWxDisplayCoordinates(x,y,w,h,true);
99
100    return [NSWindow
101            contentRectForFrameRect:NSMakeRect(cocoaOrigin.x,cocoaOrigin.y,w,h)
102            styleMask:cocoaStyleMask];
103
104}
105
106bool wxTopLevelWindowCocoa::Create(wxWindow *parent,
107                                 wxWindowID winid,
108                                 const wxString& title,
109                                 const wxPoint& pos,
110                                 const wxSize& size,
111                                 long style,
112                                 const wxString& name)
113{
114    wxAutoNSAutoreleasePool pool;
115    wxTopLevelWindows.Append(this);
116
117    if(!CreateBase(parent,winid,pos,size,style,wxDefaultValidator,name))
118        return false;
119
120    if ( parent )
121        parent->AddChild(this);
122
123    unsigned int cocoaStyle = NSWindowStyleForWxStyle(style);
124    if(style & wxFRAME_TOOL_WINDOW)
125        cocoaStyle |= NSUtilityWindowMask;
126
127    NSRect cocoaRect = MakeInitialNSWindowContentRect(pos,size,cocoaStyle);
128
129    m_cocoaNSWindow = NULL;
130    m_cocoaNSView = NULL;
131    // NOTE: We may need to deal with the contentView becoming a wx NSView as well.
132    NSWindow *newWindow;
133    // Create a WXNSPanel or a WXNSWindow depending on what type of window is desired.
134    if(style & wxFRAME_TOOL_WINDOW)
135        newWindow = [[WX_GET_OBJC_CLASS(WXNSPanel) alloc] initWithContentRect:cocoaRect styleMask:cocoaStyle backing:NSBackingStoreBuffered defer:NO];
136    else
137        newWindow = [[WX_GET_OBJC_CLASS(WXNSWindow) alloc] initWithContentRect:cocoaRect styleMask:cocoaStyle backing:NSBackingStoreBuffered defer:NO];
138    // Make sure the default content view is a WXNSView
139    [newWindow setContentView: [[WX_GET_OBJC_CLASS(WXNSView) alloc] initWithFrame: [[newWindow contentView] frame]]];
140    // Associate the window and view
141    SetNSWindow(newWindow);
142
143    // NOTE: SetNSWindow has retained the Cocoa object for this object.
144    // Because we do not release on close, the following release matches the
145    // above alloc and thus the retain count will be 1.
146    [m_cocoaNSWindow release];
147
148    if(style & wxFRAME_NO_TASKBAR)
149        [m_cocoaNSWindow setExcludedFromWindowsMenu: YES];
150    if(style & wxSTAY_ON_TOP)
151        [m_cocoaNSWindow setLevel:NSFloatingWindowLevel];
152    [m_cocoaNSWindow setTitle:wxNSStringWithWxString(title)];
153    return true;
154}
155
156wxTopLevelWindowCocoa::~wxTopLevelWindowCocoa()
157{
158    wxASSERT(sm_cocoaDeactivateWindow!=this);
159    wxAutoNSAutoreleasePool pool;
160    DestroyChildren();
161    if(m_cocoaNSView)
162        SendDestroyEvent();
163    SetNSWindow(NULL);
164}
165
166bool wxTopLevelWindowCocoa::Destroy()
167{
168    if(sm_cocoaDeactivateWindow==this)
169    {
170        sm_cocoaDeactivateWindow = NULL;
171        wxTopLevelWindowCocoa::CocoaDelegate_windowDidResignKey();
172    }
173    return wxTopLevelWindowBase::Destroy();
174}
175
176// ----------------------------------------------------------------------------
177// wxTopLevelWindowCocoa Cocoa Specifics
178// ----------------------------------------------------------------------------
179
180wxMenuBar* wxTopLevelWindowCocoa::GetAppMenuBar(wxCocoaNSWindow *win)
181{
182    wxTopLevelWindowCocoa *parent = wxDynamicCast(GetParent(),wxTopLevelWindow);
183    if(parent)
184        return parent->GetAppMenuBar(win);
185    return NULL;
186}
187
188void wxTopLevelWindowCocoa::SetNSWindow(WX_NSWindow cocoaNSWindow)
189{
190    bool need_debug = cocoaNSWindow || m_cocoaNSWindow;
191    if(need_debug) wxLogTrace(wxTRACE_COCOA_RetainRelease,wxT("wxTopLevelWindowCocoa=%p::SetNSWindow [m_cocoaNSWindow=%p retainCount]=%d"),this,m_cocoaNSWindow,[m_cocoaNSWindow retainCount]);
192    DisassociateNSWindow(m_cocoaNSWindow);
193    wxGCSafeRetain(cocoaNSWindow);
194    wxGCSafeRelease(m_cocoaNSWindow);
195    m_cocoaNSWindow = cocoaNSWindow;
196    // NOTE: We are no longer using posing so we won't get events on the
197    // window's view unless it was explicitly created as the wx view class.
198    if(m_cocoaNSWindow)
199        SetNSView([m_cocoaNSWindow contentView]);
200    else
201        SetNSView(NULL);
202    AssociateNSWindow(m_cocoaNSWindow);
203    if(need_debug) wxLogTrace(wxTRACE_COCOA_RetainRelease,wxT("wxTopLevelWindowCocoa=%p::SetNSWindow [cocoaNSWindow=%p retainCount]=%d"),this,cocoaNSWindow,[cocoaNSWindow retainCount]);
204}
205
206void wxTopLevelWindowCocoa::CocoaReplaceView(WX_NSView oldView, WX_NSView newView)
207{
208    if([m_cocoaNSWindow contentView] == (id)oldView)
209        [m_cocoaNSWindow setContentView:newView];
210}
211
212/*static*/ void wxTopLevelWindowCocoa::DeactivatePendingWindow()
213{
214    if(sm_cocoaDeactivateWindow)
215        sm_cocoaDeactivateWindow->wxTopLevelWindowCocoa::CocoaDelegate_windowDidResignKey();
216    sm_cocoaDeactivateWindow = NULL;
217}
218
219void wxTopLevelWindowCocoa::CocoaDelegate_windowDidBecomeKey(void)
220{
221    DeactivatePendingWindow();
222    wxLogTrace(wxTRACE_COCOA,wxT("wxTopLevelWindowCocoa=%p::CocoaDelegate_windowDidBecomeKey"),this);
223    wxActivateEvent event(wxEVT_ACTIVATE, true, GetId());
224    event.SetEventObject(this);
225    HandleWindowEvent(event);
226}
227
228void wxTopLevelWindowCocoa::CocoaDelegate_windowDidResignKey(void)
229{
230    wxLogTrace(wxTRACE_COCOA,wxT("wxTopLevelWindowCocoa=%p::CocoaDelegate_windowDidResignKey"),this);
231    wxActivateEvent event(wxEVT_ACTIVATE, false, GetId());
232    event.SetEventObject(this);
233    HandleWindowEvent(event);
234}
235
236void wxTopLevelWindowCocoa::CocoaDelegate_windowDidBecomeMain(void)
237{
238    wxLogTrace(wxTRACE_COCOA,wxT("wxTopLevelWindowCocoa=%p::CocoaDelegate_windowDidBecomeMain"),this);
239}
240
241void wxTopLevelWindowCocoa::CocoaDelegate_windowDidResignMain(void)
242{
243    wxLogTrace(wxTRACE_COCOA,wxT("wxTopLevelWindowCocoa=%p::CocoaDelegate_windowDidResignMain"),this);
244}
245
246void wxTopLevelWindowCocoa::CocoaDelegate_windowWillClose(void)
247{
248    m_closed = true;
249    Destroy();
250}
251
252bool wxTopLevelWindowCocoa::CocoaDelegate_windowShouldClose()
253{
254    return wxWindowBase::Close(false);
255}
256
257void wxTopLevelWindowCocoa::CocoaDelegate_wxMenuItemAction(WX_NSMenuItem menuItem)
258{
259}
260
261bool wxTopLevelWindowCocoa::CocoaDelegate_validateMenuItem(WX_NSMenuItem menuItem)
262{
263    return false;
264}
265
266// ----------------------------------------------------------------------------
267// wxTopLevelWindowCocoa maximize/minimize
268// ----------------------------------------------------------------------------
269
270void wxTopLevelWindowCocoa::Maximize(bool maximize)
271{
272}
273
274bool wxTopLevelWindowCocoa::IsMaximized() const
275{
276    return false ;
277}
278
279void wxTopLevelWindowCocoa::Iconize(bool iconize)
280{
281}
282
283bool wxTopLevelWindowCocoa::IsIconized() const
284{
285    return false;
286}
287
288void wxTopLevelWindowCocoa::Restore()
289{
290}
291
292bool wxTopLevelWindowCocoa::Show(bool show)
293{
294    if(m_isShown == show)
295        return false;
296    wxAutoNSAutoreleasePool pool;
297    if(show)
298    {
299        // Send the window a size event because wxWidgets apps expect it
300        // NOTE: This should really only be done the first time a window
301        // is shown.  I doubt this will cause any problems though.
302        wxSizeEvent event(GetSize(), GetId());
303        event.SetEventObject(this);
304        HandleWindowEvent(event);
305
306        [m_cocoaNSWindow makeKeyAndOrderFront:m_cocoaNSWindow];
307    }
308    else
309        [m_cocoaNSWindow orderOut:m_cocoaNSWindow];
310    m_isShown = show;
311    return true;
312}
313
314bool wxTopLevelWindowCocoa::Close(bool force)
315{
316    if(force)
317        return wxWindowBase::Close(force);
318    // performClose  will fake the user clicking the close button which
319    // will invoke windowShouldClose which will call the base class version
320    // of Close() which will NOT Destroy() the window (see below) but
321    // if closing is not stopped, then performClose will go ahead and
322    // close the window which will send the close notifications setting
323    // m_closed to true and Destroy()ing the window.
324    [m_cocoaNSWindow performClose:m_cocoaNSWindow];
325    return m_closed;
326}
327
328void wxTopLevelWindowCocoa::OnCloseWindow(wxCloseEvent& event)
329{
330    // If the event was forced, close the window which will Destroy() it
331    if(!event.CanVeto())
332        [m_cocoaNSWindow close];
333    // if the event was not forced, it's probably because the user clicked
334    // the close button, or Close(false) was called which (see above) is
335    // redirected to performClose and thus Cocoa itself will close the window
336}
337
338// ----------------------------------------------------------------------------
339// wxTopLevelWindowCocoa misc
340// ----------------------------------------------------------------------------
341
342void wxTopLevelWindowCocoa::SetTitle(const wxString& title)
343{
344    [m_cocoaNSWindow setTitle:wxNSStringWithWxString(title)];
345}
346
347wxString wxTopLevelWindowCocoa::GetTitle() const
348{
349    return wxStringWithNSString([m_cocoaNSWindow title]);
350}
351
352wxWindow* wxTopLevelWindowCocoa::SetDefaultItem(wxWindow *win)
353{
354    wxWindow *old = wxTopLevelWindowBase::SetDefaultItem(win);
355
356    NSCell *newCell;
357    if(win != NULL)
358    {
359        NSView *newView = win->GetNSView();
360        // newView does not have to be an NSControl, we only cast to NSControl*
361        // to silence the warning about cell not being implemented.
362        if(newView != nil && [newView respondsToSelector:@selector(cell)])
363            newCell = [(NSControl*)newView cell];
364        else
365            newCell = nil;
366
367        if(newCell != nil && ![newCell isKindOfClass:[NSButtonCell class]])
368        {   // It's not an NSButtonCell, set the default to nil.
369            newCell = nil;
370        }
371    }
372    else
373        newCell = nil;
374
375    [GetNSWindow() setDefaultButtonCell:(NSButtonCell*)newCell];
376    return old;
377}
378
379bool wxTopLevelWindowCocoa::ShowFullScreen(bool show, long style)
380{
381    return false;
382}
383
384bool wxTopLevelWindowCocoa::IsFullScreen() const
385{
386    return false;
387}
388
389void wxTopLevelWindowCocoa::CocoaSetWxWindowSize(int width, int height)
390{
391    // Set the NSView size by setting the frame size to enclose it
392    unsigned int styleMask = [m_cocoaNSWindow styleMask];
393    NSRect oldFrameRect = [m_cocoaNSWindow frame];
394    NSRect contentRect = [NSWindow
395        contentRectForFrameRect: oldFrameRect
396        styleMask: styleMask];
397    contentRect.size.width = width;
398    contentRect.size.height = height;
399    NSRect newFrameRect = [NSWindow
400        frameRectForContentRect: contentRect
401        styleMask: styleMask];
402
403    // Cocoa uses +y is up but wxWidgets uses +y is down.  We want an increase/decrease in height
404    // to not effect where the top of the window is placed so we set the new y origin relative the
405    // old one taking the height change into account.
406    newFrameRect.origin.y = oldFrameRect.origin.y + oldFrameRect.size.height - newFrameRect.size.height;
407
408    [m_cocoaNSWindow setFrame: newFrameRect display: NO];
409}
410
411void wxTopLevelWindowCocoa::DoMoveWindow(int x, int y, int width, int height)
412{
413    wxLogTrace(wxTRACE_COCOA_TopLevelWindow_Size,wxT("wxTopLevelWindow=%p::DoMoveWindow(%d,%d,%d,%d)"),this,x,y,width,height);
414
415    NSPoint cocoaOrigin = OriginInCocoaScreenCoordinatesForRectInWxDisplayCoordinates(x,y,width,height,false);
416
417    NSRect cocoaRect = NSMakeRect(cocoaOrigin.x,cocoaOrigin.y,width,height);
418    [m_cocoaNSWindow setFrame: cocoaRect display:NO];
419}
420
421void wxTopLevelWindowCocoa::DoGetSize(int *w, int *h) const
422{
423    NSRect cocoaRect = [m_cocoaNSWindow frame];
424    if(w)
425        *w=(int)cocoaRect.size.width;
426    if(h)
427        *h=(int)cocoaRect.size.height;
428    wxLogTrace(wxTRACE_COCOA_TopLevelWindow_Size,wxT("wxTopLevelWindow=%p::DoGetSize = (%d,%d)"),this,(int)cocoaRect.size.width,(int)cocoaRect.size.height);
429}
430
431void wxTopLevelWindowCocoa::DoGetPosition(int *x, int *y) const
432{
433    NSRect windowFrame = [m_cocoaNSWindow frame];
434
435    wxPoint theWxOrigin = OriginInWxDisplayCoordinatesForRectInCocoaScreenCoordinates(windowFrame);
436
437    if(*x)
438        *x = theWxOrigin.x;
439    if(*y)
440        *y = theWxOrigin.y;
441
442    wxLogTrace(wxTRACE_COCOA_TopLevelWindow_Size,wxT("wxTopLevelWindow=%p::DoGetPosition = (%d,%d)"),this,(int)theWxOrigin.x,(int)theWxOrigin.y);
443}
444