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 bool wxWindowCocoa::Cocoa_drawRect(const NSRect &rect)
 120 {
 121     wxLogDebug("Cocoa_drawRect");
 122     //FIXME: should probably turn that rect into the update region
 123     wxPaintEvent event(m_windowId);
 124     event.SetEventObject(this);
 125     return GetEventHandler()->ProcessEvent(event);
 126 }
 127
 128 void wxWindowCocoa::Cocoa_FrameChanged(void)
 129 {
 130     wxLogDebug("Cocoa_FrameChanged");
 131     wxSizeEvent event(GetSize(), m_windowId);
 132     event.SetEventObject(this);
 133     GetEventHandler()->ProcessEvent(event);
 134 }
 135
 136 bool wxWindow::Close(bool force)
 137 {
 138     return false;
 139 }
 140
 141 bool wxWindow::Show(bool show)
 142 {
 143     // If the window is marked as visible, then it shouldn't have a dummy view
 144     // If the window is marked hidden, then it should have a dummy view
 145     wxASSERT_MSG( (m_isShown && !m_dummyNSView) || (!m_isShown && m_dummyNSView),"wxWindow: m_isShown does not agree with m_dummyNSView");
 146     // Return false if there isn't a window to show or hide
 147     if(!m_cocoaNSView)
 148         return false;
 149     // Return false if the state isn't changing
 150     if( show == m_isShown )
 151         return false;
 152     if(show)
 153     {
 154         // replaceSubView releases m_dummyNSView, balancing the alloc
 155         [m_cocoaNSView retain];
 156         [[m_dummyNSView superview] replaceSubview:m_dummyNSView with:m_cocoaNSView];
 157         // But since we also retained it ourselves
 158         [m_dummyNSView release];
 159         m_dummyNSView = nil;
 160     }
 161     else
 162     {
 163         m_dummyNSView = [[NSView alloc] initWithFrame: [m_cocoaNSView frame]];
 164         [m_dummyNSView retain];
 165         // NOTE: replaceSubView will cause m_cocaNSView to be released
 166         [[m_cocoaNSView superview] replaceSubview:m_cocoaNSView with:m_dummyNSView];
 167         // m_coocaNSView is now only retained by us
 168     }
 169     m_isShown = show;
 170     return true;
 171 }
 172
 173 void wxWindowCocoa::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 174 {
 175 //    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":".");
 176     int currentX, currentY;
 177     int currentW, currentH;
 178     DoGetPosition(&currentX, &currentY);
 179     DoGetSize(&currentW, &currentH);
 180     if((x==-1) && !(sizeFlags&wxSIZE_ALLOW_MINUS_ONE))
 181         x=currentX;
 182     if((y==-1) && !(sizeFlags&wxSIZE_ALLOW_MINUS_ONE))
 183         y=currentY;
 184
 185     AdjustForParentClientOrigin(x,y,sizeFlags);
 186
 187     wxSize size(-1,-1);
 188
 189     if((width==-1)&&!(sizeFlags&wxSIZE_ALLOW_MINUS_ONE))
 190     {
 191         if(sizeFlags&wxSIZE_AUTO_WIDTH)
 192         {
 193             size=DoGetBestSize();
 194             width=size.x;
 195         }
 196         else
 197             width=currentW;
 198     }
 199     if((height==-1)&&!(sizeFlags&wxSIZE_ALLOW_MINUS_ONE))
 200     {
 201         if(sizeFlags&wxSIZE_AUTO_HEIGHT)
 202         {
 203             if(size.x==-1)
 204                 size=DoGetBestSize();
 205             height=size.y;
 206         }
 207         else
 208             height=currentH;
 209     }
 210     DoMoveWindow(x,y,width,height);
 211 }
 212
 213 void wxWindowCocoa::DoMoveWindow(int x, int y, int width, int height)
 214 {
 215 //    wxLogDebug("wxWindow=%p::DoMoveWindow(%d,%d,%d,%d)",this,x,y,width,height);
 216
 217     NSView *nsview = m_dummyNSView?m_dummyNSView:m_cocoaNSView;
 218     NSView *superview = [nsview superview];
 219     wxCHECK_RET(superview,"NSView does not have a superview");
 220     NSRect parentRect = [superview frame];
 221
 222     NSRect cocoaRect = NSMakeRect(x,parentRect.size.height-(y+height),width,height);
 223     [m_cocoaNSView setFrame: cocoaRect];
 224     // Also change the dummy's size
 225     if(m_dummyNSView)
 226         [m_dummyNSView setFrame: cocoaRect];
 227 }
 228
 229 // Get total size
 230 void wxWindow::DoGetSize(int *w, int *h) const
 231 {
 232     NSRect cocoaRect = [m_cocoaNSView frame];
 233     if(w)
 234         *w=(int)cocoaRect.size.width;
 235     if(h)
 236         *h=(int)cocoaRect.size.height;
 237 //    wxLogDebug("wxWindow=%p::DoGetSize = (%d,%d)",this,(int)cocoaRect.size.width,(int)cocoaRect.size.height);
 238 }
 239
 240 void wxWindow::DoGetPosition(int *x, int *y) const
 241 {
 242     NSView *nsview = m_dummyNSView?m_dummyNSView:m_cocoaNSView;
 243     NSView *superview = [nsview superview];
 244     wxCHECK_RET(superview,"NSView does not have a superview");
 245     NSRect parentRect = [superview frame];
 246
 247     NSRect cocoaRect = [nsview frame];
 248     if(x)
 249         *x=(int)cocoaRect.origin.x;
 250     if(y)
 251         *y=(int)(parentRect.size.height-(cocoaRect.origin.y+cocoaRect.size.height));
 252 //    wxLogDebug("wxWindow=%p::DoGetPosition = (%d,%d)",this,(int)cocoaRect.origin.x,(int)cocoaRect.origin.y);
 253 }
 254
 255 WXWidget wxWindow::GetHandle() const
 256 {
 257     return m_cocoaNSView;
 258 }
 259
 260 void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
 261 {
 262     [m_cocoaNSView setNeedsDisplay:YES];
 263 }
 264
 265 void wxWindow::SetFocus()
 266 {
 267     // TODO
 268 }
 269
 270 void wxWindow::DoCaptureMouse()
 271 {
 272     // TODO
 273 }
 274
 275 void wxWindow::DoReleaseMouse()
 276 {
 277     // TODO
 278 }
 279
 280 void wxWindow::DoScreenToClient(int *x, int *y) const
 281 {
 282     // TODO
 283 }
 284
 285 void wxWindow::DoClientToScreen(int *x, int *y) const
 286 {
 287     // TODO
 288 }
 289
 290 // Get size *available for subwindows* i.e. excluding menu bar etc.
 291 void wxWindow::DoGetClientSize(int *x, int *y) const
 292 {
 293     wxLogDebug("DoGetClientSize:");
 294     wxWindowCocoa::DoGetSize(x,y);
 295     // TODO: Actually account for menubar, borders, etc...
 296 }
 297
 298 void wxWindow::DoSetClientSize(int width, int height)
 299 {
 300     wxLogDebug("DoSetClientSize=(%d,%d)",width,height);
 301     // TODO
 302 }
 303
 304 int wxWindow::GetCharHeight() const
 305 {
 306     // TODO
 307     return 0;
 308 }
 309
 310 int wxWindow::GetCharWidth() const
 311 {
 312     // TODO
 313     return 0;
 314 }
 315
 316 void wxWindow::GetTextExtent(const wxString& string, int *x, int *y,
 317         int *descent, int *externalLeading, const wxFont *theFont) const
 318 {
 319     // TODO
 320 }
 321
 322 // Coordinates relative to the window
 323 void wxWindow::WarpPointer (int x_pos, int y_pos)
 324 {
 325     // TODO
 326 }
 327
 328 int wxWindow::GetScrollPos(int orient) const
 329 {
 330     // TODO
 331     return 0;
 332 }
 333
 334 // This now returns the whole range, not just the number
 335 // of positions that we can scroll.
 336 int wxWindow::GetScrollRange(int orient) const
 337 {
 338     // TODO
 339     return 0;
 340 }
 341
 342 int wxWindow::GetScrollThumb(int orient) const
 343 {
 344     // TODO
 345     return 0;
 346 }
 347
 348 void wxWindow::SetScrollPos(int orient, int pos, bool refresh)
 349 {
 350     // TODO
 351 }
 352
 353 // New function that will replace some of the above.
 354 void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
 355     int range, bool refresh)
 356 {
 357     // TODO
 358 }
 359
 360 // Does a physical scroll
 361 void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
 362 {
 363     // TODO
 364 }
 365
 366 bool wxWindow::SetFont(const wxFont& font)
 367 {
 368     // TODO
 369     return TRUE;
 370 }
 371
 372 void wxWindow::Clear()
 373 {
 374     // TODO
 375 }
 376
 377 // Raise the window to the top of the Z order
 378 void wxWindow::Raise()
 379 {
 380     NSView *nsview = m_dummyNSView?m_dummyNSView:m_cocoaNSView;
 381     NSView *superview = [nsview superview];
 382     [nsview retain];
 383     [nsview removeFromSuperview];
 384     [superview addSubview:nsview];
 385 }
 386
 387 // Lower the window to the bottom of the Z order
 388 void wxWindow::Lower()
 389 {
 390     // TODO
 391 }
 392
 393 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
 394 {
 395     return FALSE;
 396 }
 397
 398 // Get the window with the focus
 399 wxWindow *wxWindowBase::FindFocus()
 400 {
 401     // TODO
 402     return NULL;
 403 }
 404
 405 /* static */ wxWindow *wxWindowBase::GetCapture()
 406 {
 407     // TODO
 408     return NULL;
 409 }
 410
 411 wxWindow *wxGetActiveWindow()
 412 {
 413     // TODO
 414     return NULL;
 415 }
 416