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 // 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
  47 wxWindowList       wxModelessWindows;
  48
  49 // ============================================================================
  50 // wxTopLevelWindowCocoa implementation
  51 // ============================================================================
  52
  53 wxTopLevelWindowCocoa *wxTopLevelWindowCocoa::sm_cocoaDeactivateWindow = NULL;
  54
  55 // ----------------------------------------------------------------------------
  56 // wxTopLevelWindowCocoa creation
  57 // ----------------------------------------------------------------------------
  58 BEGIN_EVENT_TABLE(wxTopLevelWindowCocoa,wxTopLevelWindowBase)
  59     EVT_CLOSE(wxTopLevelWindowCocoa::OnCloseWindow)
  60 END_EVENT_TABLE()
  61
  62 void wxTopLevelWindowCocoa::Init()
  63 {
  64     m_iconized =
  65     m_maximizeOnShow =
  66     m_closed = false;
  67 }
  68
  69 unsigned 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
  89 NSRect 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
 106 bool 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
 156 wxTopLevelWindowCocoa::~wxTopLevelWindowCocoa()
 157 {
 158     wxASSERT(sm_cocoaDeactivateWindow!=this);
 159     wxAutoNSAutoreleasePool pool;
 160     DestroyChildren();
 161     if(m_cocoaNSView)
 162         SendDestroyEvent();
 163     SetNSWindow(NULL);
 164 }
 165
 166 bool 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
 180 wxMenuBar* wxTopLevelWindowCocoa::GetAppMenuBar(wxCocoaNSWindow *win)
 181 {
 182     wxTopLevelWindowCocoa *parent = wxDynamicCast(GetParent(),wxTopLevelWindow);
 183     if(parent)
 184         return parent->GetAppMenuBar(win);
 185     return NULL;
 186 }
 187
 188 void 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
 206 void 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
 219 void 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
 228 void 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
 236 void wxTopLevelWindowCocoa::CocoaDelegate_windowDidBecomeMain(void)
 237 {
 238     wxLogTrace(wxTRACE_COCOA,wxT("wxTopLevelWindowCocoa=%p::CocoaDelegate_windowDidBecomeMain"),this);
 239 }
 240
 241 void wxTopLevelWindowCocoa::CocoaDelegate_windowDidResignMain(void)
 242 {
 243     wxLogTrace(wxTRACE_COCOA,wxT("wxTopLevelWindowCocoa=%p::CocoaDelegate_windowDidResignMain"),this);
 244 }
 245
 246 void wxTopLevelWindowCocoa::CocoaDelegate_windowWillClose(void)
 247 {
 248     m_closed = true;
 249     Destroy();
 250 }
 251
 252 bool wxTopLevelWindowCocoa::CocoaDelegate_windowShouldClose()
 253 {
 254     return wxWindowBase::Close(false);
 255 }
 256
 257 void wxTopLevelWindowCocoa::CocoaDelegate_wxMenuItemAction(WX_NSMenuItem menuItem)
 258 {
 259 }
 260
 261 bool wxTopLevelWindowCocoa::CocoaDelegate_validateMenuItem(WX_NSMenuItem menuItem)
 262 {
 263     return false;
 264 }
 265
 266 // ----------------------------------------------------------------------------
 267 // wxTopLevelWindowCocoa maximize/minimize
 268 // ----------------------------------------------------------------------------
 269
 270 void wxTopLevelWindowCocoa::Maximize(bool maximize)
 271 {
 272 }
 273
 274 bool wxTopLevelWindowCocoa::IsMaximized() const
 275 {
 276     return false ;
 277 }
 278
 279 void wxTopLevelWindowCocoa::Iconize(bool iconize)
 280 {
 281 }
 282
 283 bool wxTopLevelWindowCocoa::IsIconized() const
 284 {
 285     return false;
 286 }
 287
 288 void wxTopLevelWindowCocoa::Restore()
 289 {
 290 }
 291
 292 bool 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
 314 bool 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
 328 void 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
 342 void wxTopLevelWindowCocoa::SetTitle(const wxString& title)
 343 {
 344     [m_cocoaNSWindow setTitle:wxNSStringWithWxString(title)];
 345 }
 346
 347 wxString wxTopLevelWindowCocoa::GetTitle() const
 348 {
 349     return wxStringWithNSString([m_cocoaNSWindow title]);
 350 }
 351
 352 wxWindow* 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
 379 bool wxTopLevelWindowCocoa::ShowFullScreen(bool show, long style)
 380 {
 381     return false;
 382 }
 383
 384 bool wxTopLevelWindowCocoa::IsFullScreen() const
 385 {
 386     return false;
 387 }
 388
 389 void 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
 411 void 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
 421 void 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
 431 void 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 }