src/cocoa/window.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/window.mm
   3 // Purpose:     wxWindowCocoa
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2002/12/26
   7 // RCS-ID:      $Id:
   8 // Copyright:   (c) 2002 David Elliott
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/window.h"
  13 #include "wx/log.h"
  14
  15 #import <Appkit/NSView.h>
  16
  17 // normally the base classes aren't included, but wxWindow is special
  18 #ifdef __WXUNIVERSAL__
  19 IMPLEMENT_ABSTRACT_CLASS(wxWindowCocoa, wxWindowBase)
  20 #else
  21 IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
  22 #endif
  23
  24 BEGIN_EVENT_TABLE(wxWindowCocoa, wxWindowBase)
  25 END_EVENT_TABLE()
  26
  27 // Constructor
  28 void wxWindowCocoa::Init()
  29 {
  30     InitBase();
  31
  32     m_cocoaNSView = NULL;
  33     m_dummyNSView = NULL;
  34     m_isBeingDeleted = FALSE;
  35 }
  36
  37 // Constructor
  38 bool wxWindow::Create(wxWindow *parent, wxWindowID winid,
  39            const wxPoint& pos,
  40            const wxSize& size,
  41            long style,
  42            const wxString& name)
  43 {
  44     if(!CreateBase(parent,winid,pos,size,style,wxDefaultValidator,name))
  45         return false;
  46
  47     // TODO: create the window
  48     NSRect cocoaRect = NSMakeRect(10,10,20,20);
  49     m_cocoaNSView = NULL;
  50     SetNSView([[NSView alloc] initWithFrame: cocoaRect]);
  51     [m_cocoaNSView release];
  52
  53     if (m_parent)
  54     {
  55         m_parent->AddChild(this);
  56         m_parent->CocoaAddChild(this);
  57     }
  58
  59     return TRUE;
  60 }
  61
  62 // Destructor
  63 wxWindow::~wxWindow()
  64 {
  65     DestroyChildren();
  66
  67     if(m_parent)
  68         m_parent->RemoveChild(this);
  69
  70     CocoaRemoveFromParent();
  71     SetNSView(NULL);
  72 }
  73
  74 void wxWindowCocoa::CocoaAddChild(wxWindowCocoa *child)
  75 {
  76     [child->m_cocoaNSView retain];
  77     // NOTE: addSubView takes ownership of, but does not retain the subview
  78     // Upon a removeFromView or closing the super view, the child WILL be
  79     // released!!!  I think the idea here is that normally you would alloc
  80     // the subview and add it to the superview and this way you don't have
  81     // to release what you just alloced.  Unfortunately, that doesn't
  82     // make sense for wxCocoa, so we do this instead.
  83     [m_cocoaNSView addSubview: child->m_cocoaNSView];
  84     wxASSERT(!child->m_dummyNSView);
  85     child->m_isShown = true;
  86 }
  87
  88 void wxWindowCocoa::CocoaRemoveFromParent(void)
  89 {
  90     if(m_dummyNSView)
  91     {
  92         wxASSERT(m_cocoaNSView);
  93         // balances the alloc
  94         [m_dummyNSView removeFromSuperview];
  95         // But since we also retained it ourselves
  96         [m_dummyNSView release];
  97         m_dummyNSView = nil;
  98         // m_cocoaNSView has of course already been removed by virtue of
  99         // replaceSubview: m_cocoaNSView with: m_dummyNSView
 100     }
 101     else
 102         [m_cocoaNSView removeFromSuperview];
 103 }
 104
 105 void wxWindowCocoa::SetNSView(WX_NSView cocoaNSView)
 106 {
 107     bool need_debug = cocoaNSView || m_cocoaNSView;
 108     if(need_debug) wxLogDebug("wxWindowCocoa=%p::SetNSView [m_cocoaNSView=%p retainCount]=%d",this,m_cocoaNSView,[m_cocoaNSView retainCount]);
 109     if(m_cocoaNSView)
 110         DisassociateNSView(m_cocoaNSView);
 111     [cocoaNSView retain];
 112     [m_cocoaNSView release];
 113     m_cocoaNSView = cocoaNSView;
 114     if(m_cocoaNSView)
 115         AssociateNSView(m_cocoaNSView);
 116     if(need_debug) wxLogDebug("wxWindowCocoa=%p::SetNSView [cocoaNSView=%p retainCount]=%d",this,cocoaNSView,[cocoaNSView retainCount]);
 117 }
 118
 119 void wxWindowCocoa::Cocoa_FrameChanged(void)
 120 {
 121     wxLogDebug("Cocoa_FrameChanged");
 122     wxSizeEvent event(GetSize(), m_windowId);
 123     event.SetEventObject(this);
 124     GetEventHandler()->ProcessEvent(event);
 125 }
 126
 127 bool wxWindow::Close(bool force)
 128 {
 129     return false;
 130 }
 131
 132 bool wxWindow::Show(bool show)
 133 {
 134     // If the window is marked as visible, then it shouldn't have a dummy view
 135     // If the window is marked hidden, then it should have a dummy view
 136     wxASSERT_MSG( (m_isShown && !m_dummyNSView) || (!m_isShown && m_dummyNSView),"wxWindow: m_isShown does not agree with m_dummyNSView");
 137     // Return false if there isn't a window to show or hide
 138     if(!m_cocoaNSView)
 139         return false;
 140     // Return false if the state isn't changing
 141     if( show == m_isShown )
 142         return false;
 143     if(show)
 144     {
 145         // replaceSubView releases m_dummyNSView, balancing the alloc
 146         [m_cocoaNSView retain];
 147         [[m_dummyNSView superview] replaceSubview:m_dummyNSView with:m_cocoaNSView];
 148         // But since we also retained it ourselves
 149         [m_dummyNSView release];
 150         m_dummyNSView = nil;
 151         return true;
 152     }
 153     else
 154     {
 155         m_dummyNSView = [[NSView alloc] initWithFrame: [m_cocoaNSView frame]];
 156         [m_dummyNSView retain];
 157         // NOTE: replaceSubView will cause m_cocaNSView to be released
 158         [[m_cocoaNSView superview] replaceSubview:m_cocoaNSView with:m_dummyNSView];
 159         // m_coocaNSView is now only retained by us
 160         return true;
 161     }
 162 }
 163
 164 void wxWindowCocoa::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 165 {
 166     wxLogDebug("wxWindow=%p::DoSetSizeWindow(%d,%d,%d,%d,Auto: %s%s)",this,x,y,width,height,(sizeFlags&wxSIZE_AUTO_WIDTH)?"W":".",sizeFlags&wxSIZE_AUTO_HEIGHT?"H":".");
 167     int currentX, currentY;
 168     int currentW, currentH;
 169     DoGetPosition(&currentX, &currentY);
 170     DoGetSize(&currentW, &currentH);
 171     if((x==-1) && !(sizeFlags&wxSIZE_ALLOW_MINUS_ONE))
 172         x=currentX;
 173     if((y==-1) && !(sizeFlags&wxSIZE_ALLOW_MINUS_ONE))
 174         y=currentY;
 175
 176     AdjustForParentClientOrigin(x,y,sizeFlags);
 177
 178     wxSize size(-1,-1);
 179
 180     if((width==-1)&&!(sizeFlags&wxSIZE_ALLOW_MINUS_ONE))
 181     {
 182         if(sizeFlags&wxSIZE_AUTO_WIDTH)
 183         {
 184             size=DoGetBestSize();
 185             width=size.x;
 186         }
 187         else
 188             width=currentW;
 189     }
 190     if((height==-1)&&!(sizeFlags&wxSIZE_ALLOW_MINUS_ONE))
 191     {
 192         if(sizeFlags&wxSIZE_AUTO_HEIGHT)
 193         {
 194             if(size.x==-1)
 195                 size=DoGetBestSize();
 196             height=size.y;
 197         }
 198         else
 199             height=currentH;
 200     }
 201     DoMoveWindow(x,y,width,height);
 202 }
 203
 204 void wxWindowCocoa::DoMoveWindow(int x, int y, int width, int height)
 205 {
 206     wxLogDebug("wxWindow=%p::DoMoveWindow(%d,%d,%d,%d)",this,x,y,width,height);
 207
 208     NSView *superview = [m_cocoaNSView superview];
 209     wxCHECK_RET(superview,"NSView does not have a superview");
 210     NSRect parentRect = [superview frame];
 211
 212     NSRect cocoaRect = NSMakeRect(x,parentRect.size.height-(y+height),width,height);
 213     [m_cocoaNSView setFrame: cocoaRect];
 214     // Also change the dummy's size
 215     if(m_dummyNSView)
 216         [m_dummyNSView setFrame: cocoaRect];
 217 }
 218
 219 // Get total size
 220 void wxWindow::DoGetSize(int *w, int *h) const
 221 {
 222     NSRect cocoaRect = [m_cocoaNSView frame];
 223     if(w)
 224         *w=(int)cocoaRect.size.width;
 225     if(h)
 226         *h=(int)cocoaRect.size.height;
 227     wxLogDebug("wxWindow=%p::DoGetSize = (%d,%d)",this,(int)cocoaRect.size.width,(int)cocoaRect.size.height);
 228 }
 229
 230 void wxWindow::DoGetPosition(int *x, int *y) const
 231 {
 232     NSView *nsview = m_dummyNSView?m_dummyNSView:m_cocoaNSView;
 233     NSView *superview = [nsview superview];
 234     wxCHECK_RET(superview,"NSView does not have a superview");
 235     NSRect parentRect = [superview frame];
 236
 237     NSRect cocoaRect = [nsview frame];
 238     if(x)
 239         *x=(int)cocoaRect.origin.x;
 240     if(y)
 241         *y=(int)(parentRect.size.height-(cocoaRect.origin.y+cocoaRect.size.height));
 242     wxLogDebug("wxWindow=%p::DoGetPosition = (%d,%d)",this,(int)cocoaRect.origin.x,(int)cocoaRect.origin.y);
 243 }
 244
 245 WXWidget wxWindow::GetHandle() const
 246 {
 247     return m_cocoaNSView;
 248 }
 249
 250 void wxWindow::SetFocus()
 251 {
 252     // TODO
 253 }
 254
 255 void wxWindow::DoCaptureMouse()
 256 {
 257     // TODO
 258 }
 259
 260 void wxWindow::DoReleaseMouse()
 261 {
 262     // TODO
 263 }
 264
 265 void wxWindow::DoScreenToClient(int *x, int *y) const
 266 {
 267     // TODO
 268 }
 269
 270 void wxWindow::DoClientToScreen(int *x, int *y) const
 271 {
 272     // TODO
 273 }
 274
 275 // Get size *available for subwindows* i.e. excluding menu bar etc.
 276 void wxWindow::DoGetClientSize(int *x, int *y) const
 277 {
 278     wxLogDebug("DoGetClientSize:");
 279     wxWindowCocoa::DoGetSize(x,y);
 280     // TODO: Actually account for menubar, borders, etc...
 281 }
 282
 283 void wxWindow::DoSetClientSize(int width, int height)
 284 {
 285     wxLogDebug("DoSetClientSize=(%d,%d)",width,height);
 286     // TODO
 287 }
 288
 289 int wxWindow::GetCharHeight() const
 290 {
 291     // TODO
 292     return 0;
 293 }
 294
 295 int wxWindow::GetCharWidth() const
 296 {
 297     // TODO
 298     return 0;
 299 }
 300
 301 void wxWindow::GetTextExtent(const wxString& string, int *x, int *y,
 302         int *descent, int *externalLeading, const wxFont *theFont) const
 303 {
 304     // TODO
 305 }
 306
 307 void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
 308 {
 309     // TODO
 310 }
 311
 312 // Coordinates relative to the window
 313 void wxWindow::WarpPointer (int x_pos, int y_pos)
 314 {
 315     // TODO
 316 }
 317
 318 int wxWindow::GetScrollPos(int orient) const
 319 {
 320     // TODO
 321     return 0;
 322 }
 323
 324 // This now returns the whole range, not just the number
 325 // of positions that we can scroll.
 326 int wxWindow::GetScrollRange(int orient) const
 327 {
 328     // TODO
 329     return 0;
 330 }
 331
 332 int wxWindow::GetScrollThumb(int orient) const
 333 {
 334     // TODO
 335     return 0;
 336 }
 337
 338 void wxWindow::SetScrollPos(int orient, int pos, bool refresh)
 339 {
 340     // TODO
 341 }
 342
 343 // New function that will replace some of the above.
 344 void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
 345     int range, bool refresh)
 346 {
 347     // TODO
 348 }
 349
 350 // Does a physical scroll
 351 void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
 352 {
 353     // TODO
 354 }
 355
 356 bool wxWindow::SetFont(const wxFont& font)
 357 {
 358     // TODO
 359     return TRUE;
 360 }
 361
 362 void wxWindow::Clear()
 363 {
 364     // TODO
 365 }
 366
 367 // Raise the window to the top of the Z order
 368 void wxWindow::Raise()
 369 {
 370     // TODO
 371 }
 372
 373 // Lower the window to the bottom of the Z order
 374 void wxWindow::Lower()
 375 {
 376     // TODO
 377 }
 378
 379 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
 380 {
 381     return FALSE;
 382 }
 383
 384 // Get the window with the focus
 385 wxWindow *wxWindowBase::FindFocus()
 386 {
 387     // TODO
 388     return NULL;
 389 }
 390
 391 /* static */ wxWindow *wxWindowBase::GetCapture()
 392 {
 393     // TODO
 394     return NULL;
 395 }
 396
 397 wxWindow *wxGetActiveWindow()
 398 {
 399     // TODO
 400     return NULL;
 401 }
 402