src/cocoa/control.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/control.mm
   3 // Purpose:     wxControl class
   4 // Author:      David Elliiott
   5 // Modified by:
   6 // Created:     2003/02/15
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWidgets licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/control.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/log.h"
  18 #endif
  19
  20 #include "wx/cocoa/autorelease.h"
  21 #include "wx/cocoa/objc/objc_uniquifying.h"
  22
  23 #import <AppKit/NSControl.h>
  24 #import <AppKit/NSCell.h>
  25 #import <Foundation/NSException.h>
  26
  27 #include <math.h>
  28
  29 @interface wxNonControlNSControl : NSControl
  30 {
  31 }
  32
  33 - (void)drawRect: (NSRect)rect;
  34 - (void)mouseDown:(NSEvent *)theEvent;
  35 - (void)mouseDragged:(NSEvent *)theEvent;
  36 - (void)mouseUp:(NSEvent *)theEvent;
  37 - (void)mouseMoved:(NSEvent *)theEvent;
  38 - (void)mouseEntered:(NSEvent *)theEvent;
  39 - (void)mouseExited:(NSEvent *)theEvent;
  40 - (void)rightMouseDown:(NSEvent *)theEvent;
  41 - (void)rightMouseDragged:(NSEvent *)theEvent;
  42 - (void)rightMouseUp:(NSEvent *)theEvent;
  43 - (void)otherMouseDown:(NSEvent *)theEvent;
  44 - (void)otherMouseDragged:(NSEvent *)theEvent;
  45 - (void)otherMouseUp:(NSEvent *)theEvent;
  46 - (void)resetCursorRects;
  47 @end // wxNonControlNSControl
  48 WX_DECLARE_GET_OBJC_CLASS(wxNonControlNSControl,NSControl)
  49
  50 @implementation wxNonControlNSControl : NSControl
  51
  52 - (BOOL)acceptsFirstMouse:(NSEvent *)theEvent
  53 {
  54     bool acceptsFirstMouse = false;
  55     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  56     if(!win || !win->Cocoa_acceptsFirstMouse(acceptsFirstMouse, theEvent))
  57         acceptsFirstMouse = [super acceptsFirstMouse:theEvent];
  58     return acceptsFirstMouse;
  59 }
  60
  61 - (void)drawRect: (NSRect)rect
  62 {
  63     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  64     if( !win || !win->Cocoa_drawRect(rect) )
  65         [super drawRect:rect];
  66 }
  67
  68 - (void)mouseDown:(NSEvent *)theEvent
  69 {
  70     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  71     if( !win || !win->Cocoa_mouseDown(theEvent) )
  72         [super mouseDown:theEvent];
  73 }
  74
  75 - (void)mouseDragged:(NSEvent *)theEvent
  76 {
  77     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  78     if( !win || !win->Cocoa_mouseDragged(theEvent) )
  79         [super mouseDragged:theEvent];
  80 }
  81
  82 - (void)mouseUp:(NSEvent *)theEvent
  83 {
  84     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  85     if( !win || !win->Cocoa_mouseUp(theEvent) )
  86         [super mouseUp:theEvent];
  87 }
  88
  89 - (void)mouseMoved:(NSEvent *)theEvent
  90 {
  91     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  92     if( !win || !win->Cocoa_mouseMoved(theEvent) )
  93         [super mouseMoved:theEvent];
  94 }
  95
  96 - (void)mouseEntered:(NSEvent *)theEvent
  97 {
  98     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  99     if( !win || !win->Cocoa_mouseEntered(theEvent) )
 100         [super mouseEntered:theEvent];
 101 }
 102
 103 - (void)mouseExited:(NSEvent *)theEvent
 104 {
 105     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 106     if( !win || !win->Cocoa_mouseExited(theEvent) )
 107         [super mouseExited:theEvent];
 108 }
 109
 110 - (void)rightMouseDown:(NSEvent *)theEvent
 111 {
 112     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 113     if( !win || !win->Cocoa_rightMouseDown(theEvent) )
 114         [super rightMouseDown:theEvent];
 115 }
 116
 117 - (void)rightMouseDragged:(NSEvent *)theEvent
 118 {
 119     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 120     if( !win || !win->Cocoa_rightMouseDragged(theEvent) )
 121         [super rightMouseDragged:theEvent];
 122 }
 123
 124 - (void)rightMouseUp:(NSEvent *)theEvent
 125 {
 126     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 127     if( !win || !win->Cocoa_rightMouseUp(theEvent) )
 128         [super rightMouseUp:theEvent];
 129 }
 130
 131 - (void)otherMouseDown:(NSEvent *)theEvent
 132 {
 133     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 134     if( !win || !win->Cocoa_otherMouseDown(theEvent) )
 135         [super otherMouseDown:theEvent];
 136 }
 137
 138 - (void)otherMouseDragged:(NSEvent *)theEvent
 139 {
 140     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 141     if( !win || !win->Cocoa_otherMouseDragged(theEvent) )
 142         [super otherMouseDragged:theEvent];
 143 }
 144
 145 - (void)otherMouseUp:(NSEvent *)theEvent
 146 {
 147     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 148     if( !win || !win->Cocoa_otherMouseUp(theEvent) )
 149         [super otherMouseUp:theEvent];
 150 }
 151
 152 - (void)resetCursorRects
 153 {
 154     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 155     if( !win || !win->Cocoa_resetCursorRects() )
 156         [super resetCursorRects];
 157 }
 158
 159 @end // wxNonControlNSControl
 160 WX_IMPLEMENT_GET_OBJC_CLASS(wxNonControlNSControl,NSControl)
 161
 162 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
 163 BEGIN_EVENT_TABLE(wxControl, wxControlBase)
 164 END_EVENT_TABLE()
 165 WX_IMPLEMENT_COCOA_OWNER(wxControl,NSControl,NSView,NSView)
 166
 167 bool wxControl::Create(wxWindow *parent, wxWindowID winid,
 168             const wxPoint& pos, const wxSize& size, long style,
 169             const wxValidator& validator, const wxString& name)
 170 {
 171     wxLogTrace(wxTRACE_COCOA,wxT("Creating control with id=%d"),winid);
 172     if(!CreateControl(parent,winid,pos,size,style,validator,name))
 173         return false;
 174     wxLogTrace(wxTRACE_COCOA,wxT("Created control with id=%d"),GetId());
 175     m_cocoaNSView = NULL;
 176     SetNSControl([[WX_GET_OBJC_CLASS(wxNonControlNSControl) alloc] initWithFrame: MakeDefaultNSRect(size)]);
 177     // NOTE: YES we want to release this (to match the alloc).
 178     // DoAddChild(this) will retain us again since addSubView doesn't.
 179     [m_cocoaNSView release];
 180
 181     [GetNSControl() sizeToFit];
 182
 183     if(m_parent)
 184         m_parent->CocoaAddChild(this);
 185     SetInitialFrameRect(pos,size);
 186
 187     return true;
 188 }
 189
 190 wxControl::~wxControl()
 191 {
 192     DisassociateNSControl(GetNSControl());
 193 }
 194
 195 wxSize wxControl::DoGetBestSize() const
 196 {
 197     wxAutoNSAutoreleasePool pool;
 198     wxASSERT(GetNSControl());
 199     /* We can ask single-celled controls for their cell and get its size */
 200     NSCell *cell = nil;
 201 NS_DURING
 202     cell = [GetNSControl() cell];
 203 NS_HANDLER
 204     // TODO: if anything other than method not implemented, re-raise
 205 NS_ENDHANDLER
 206     if(cell)
 207     {
 208         NSSize cellSize = [cell cellSize];
 209         wxSize size((int)ceil(cellSize.width),(int)ceil(cellSize.height));
 210         wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxControl=%p::DoGetBestSize()==(%d,%d) from NSCell"),this,size.x,size.y);
 211         return size;
 212     }
 213
 214     /* multi-celled control? size to fit, get the size, then set it back */
 215     NSRect storedRect = [m_cocoaNSView frame];
 216     bool didFit = false;
 217 NS_DURING
 218     [GetNSControl() sizeToFit];
 219     didFit = true;
 220 NS_HANDLER
 221     // TODO: if anything other than method not implemented, re-raise
 222 NS_ENDHANDLER
 223     if(didFit)
 224     {
 225         NSRect cocoaRect = [m_cocoaNSView frame];
 226         wxSize size((int)ceil(cocoaRect.size.width),(int)ceil(cocoaRect.size.height));
 227         [m_cocoaNSView setFrame: storedRect];
 228         wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxControl=%p::DoGetBestSize()==(%d,%d) from sizeToFit"),this,size.x,size.y);
 229         return size;
 230     }
 231     // Cocoa can't tell us the size, probably not an NSControl.
 232     wxLogDebug(wxT("Class %s (or superclass still below wxControl) should implement DoGetBestSize()"),GetClassInfo()->GetClassName());
 233     return wxControlBase::DoGetBestSize();
 234 }
 235
 236 bool wxControl::ProcessCommand(wxCommandEvent& event)
 237 {
 238     return GetEventHandler()->ProcessEvent(event);
 239 }
 240
 241 void wxControl::CocoaSetEnabled(bool enable)
 242 {
 243     [GetNSControl() setEnabled: enable];
 244 }