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