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/trackingrectmanager.h"
  22 #include "wx/cocoa/objc/objc_uniquifying.h"
  23
  24 #import <AppKit/NSControl.h>
  25 #import <AppKit/NSCell.h>
  26 #import <Foundation/NSException.h>
  27
  28 #include <math.h>
  29
  30 @interface wxNonControlNSControl : NSControl
  31 {
  32 }
  33
  34 - (void)drawRect: (NSRect)rect;
  35 - (void)mouseDown:(NSEvent *)theEvent;
  36 - (void)mouseDragged:(NSEvent *)theEvent;
  37 - (void)mouseUp:(NSEvent *)theEvent;
  38 - (void)mouseMoved:(NSEvent *)theEvent;
  39 - (void)mouseEntered:(NSEvent *)theEvent;
  40 - (void)mouseExited:(NSEvent *)theEvent;
  41 - (void)rightMouseDown:(NSEvent *)theEvent;
  42 - (void)rightMouseDragged:(NSEvent *)theEvent;
  43 - (void)rightMouseUp:(NSEvent *)theEvent;
  44 - (void)otherMouseDown:(NSEvent *)theEvent;
  45 - (void)otherMouseDragged:(NSEvent *)theEvent;
  46 - (void)otherMouseUp:(NSEvent *)theEvent;
  47 - (void)resetCursorRects;
  48 - (void)viewDidMoveToWindow;
  49 - (void)viewWillMoveToWindow:(NSWindow *)newWindow;
  50 @end // wxNonControlNSControl
  51 WX_DECLARE_GET_OBJC_CLASS(wxNonControlNSControl,NSControl)
  52
  53 @implementation wxNonControlNSControl : NSControl
  54
  55 - (BOOL)acceptsFirstMouse:(NSEvent *)theEvent
  56 {
  57     bool acceptsFirstMouse = false;
  58     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  59     if(!win || !win->Cocoa_acceptsFirstMouse(acceptsFirstMouse, theEvent))
  60         acceptsFirstMouse = [super acceptsFirstMouse:theEvent];
  61     return acceptsFirstMouse;
  62 }
  63
  64 - (void)drawRect: (NSRect)rect
  65 {
  66     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  67     if( !win || !win->Cocoa_drawRect(rect) )
  68         [super drawRect:rect];
  69 }
  70
  71 - (void)mouseDown:(NSEvent *)theEvent
  72 {
  73     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  74     if( !win || !win->Cocoa_mouseDown(theEvent) )
  75         [super mouseDown:theEvent];
  76 }
  77
  78 - (void)mouseDragged:(NSEvent *)theEvent
  79 {
  80     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  81     if( !win || !win->Cocoa_mouseDragged(theEvent) )
  82         [super mouseDragged:theEvent];
  83 }
  84
  85 - (void)mouseUp:(NSEvent *)theEvent
  86 {
  87     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  88     if( !win || !win->Cocoa_mouseUp(theEvent) )
  89         [super mouseUp:theEvent];
  90 }
  91
  92 - (void)mouseMoved:(NSEvent *)theEvent
  93 {
  94     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
  95     if( !win || !win->Cocoa_mouseMoved(theEvent) )
  96         [super mouseMoved:theEvent];
  97 }
  98
  99 - (void)mouseEntered:(NSEvent *)theEvent
 100 {
 101     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 102     if( !win || !win->Cocoa_mouseEntered(theEvent) )
 103         [super mouseEntered:theEvent];
 104 }
 105
 106 - (void)mouseExited:(NSEvent *)theEvent
 107 {
 108     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 109     if( !win || !win->Cocoa_mouseExited(theEvent) )
 110         [super mouseExited:theEvent];
 111 }
 112
 113 - (void)rightMouseDown:(NSEvent *)theEvent
 114 {
 115     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 116     if( !win || !win->Cocoa_rightMouseDown(theEvent) )
 117         [super rightMouseDown:theEvent];
 118 }
 119
 120 - (void)rightMouseDragged:(NSEvent *)theEvent
 121 {
 122     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 123     if( !win || !win->Cocoa_rightMouseDragged(theEvent) )
 124         [super rightMouseDragged:theEvent];
 125 }
 126
 127 - (void)rightMouseUp:(NSEvent *)theEvent
 128 {
 129     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 130     if( !win || !win->Cocoa_rightMouseUp(theEvent) )
 131         [super rightMouseUp:theEvent];
 132 }
 133
 134 - (void)otherMouseDown:(NSEvent *)theEvent
 135 {
 136     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 137     if( !win || !win->Cocoa_otherMouseDown(theEvent) )
 138         [super otherMouseDown:theEvent];
 139 }
 140
 141 - (void)otherMouseDragged:(NSEvent *)theEvent
 142 {
 143     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 144     if( !win || !win->Cocoa_otherMouseDragged(theEvent) )
 145         [super otherMouseDragged:theEvent];
 146 }
 147
 148 - (void)otherMouseUp:(NSEvent *)theEvent
 149 {
 150     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 151     if( !win || !win->Cocoa_otherMouseUp(theEvent) )
 152         [super otherMouseUp:theEvent];
 153 }
 154
 155 - (void)resetCursorRects
 156 {
 157     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 158     if( !win || !win->Cocoa_resetCursorRects() )
 159         [super resetCursorRects];
 160 }
 161
 162 - (void)viewDidMoveToWindow
 163 {
 164     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 165     if( !win || !win->Cocoa_viewDidMoveToWindow() )
 166         [super viewDidMoveToWindow];
 167 }
 168
 169 - (void)viewWillMoveToWindow:(NSWindow *)newWindow
 170 {
 171     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa(self);
 172     if( !win || !win->Cocoa_viewWillMoveToWindow(newWindow) )
 173         [super viewWillMoveToWindow:newWindow];
 174 }
 175
 176 @end // wxNonControlNSControl
 177 WX_IMPLEMENT_GET_OBJC_CLASS(wxNonControlNSControl,NSControl)
 178
 179 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
 180 BEGIN_EVENT_TABLE(wxControl, wxControlBase)
 181 END_EVENT_TABLE()
 182 WX_IMPLEMENT_COCOA_OWNER(wxControl,NSControl,NSView,NSView)
 183
 184 bool wxControl::Create(wxWindow *parent, wxWindowID winid,
 185             const wxPoint& pos, const wxSize& size, long style,
 186             const wxValidator& validator, const wxString& name)
 187 {
 188     wxLogTrace(wxTRACE_COCOA,wxT("Creating control with id=%d"),winid);
 189     if(!CreateControl(parent,winid,pos,size,style,validator,name))
 190         return false;
 191     wxLogTrace(wxTRACE_COCOA,wxT("Created control with id=%d"),GetId());
 192     m_cocoaNSView = NULL;
 193     SetNSControl([[WX_GET_OBJC_CLASS(wxNonControlNSControl) alloc] initWithFrame: MakeDefaultNSRect(size)]);
 194     // NOTE: YES we want to release this (to match the alloc).
 195     // DoAddChild(this) will retain us again since addSubView doesn't.
 196     [m_cocoaNSView release];
 197
 198     [GetNSControl() sizeToFit];
 199
 200     if(m_parent)
 201         m_parent->CocoaAddChild(this);
 202     SetInitialFrameRect(pos,size);
 203
 204     // Controls should have a viewable-area tracking rect by default
 205     m_visibleTrackingRectManager = new wxCocoaTrackingRectManager(this);
 206
 207     return true;
 208 }
 209
 210 wxControl::~wxControl()
 211 {
 212     DisassociateNSControl(GetNSControl());
 213 }
 214
 215 wxSize wxControl::DoGetBestSize() const
 216 {
 217     wxAutoNSAutoreleasePool pool;
 218     wxASSERT(GetNSControl());
 219     /* We can ask single-celled controls for their cell and get its size */
 220     NSCell *cell = nil;
 221 NS_DURING
 222     cell = [GetNSControl() cell];
 223 NS_HANDLER
 224     // TODO: if anything other than method not implemented, re-raise
 225 NS_ENDHANDLER
 226     if(cell)
 227     {
 228         NSSize cellSize = [cell cellSize];
 229         wxSize size((int)ceil(cellSize.width),(int)ceil(cellSize.height));
 230         wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxControl=%p::DoGetBestSize()==(%d,%d) from NSCell"),this,size.x,size.y);
 231         return size;
 232     }
 233
 234     /* multi-celled control? size to fit, get the size, then set it back */
 235     NSRect storedRect = [m_cocoaNSView frame];
 236     bool didFit = false;
 237 NS_DURING
 238     [GetNSControl() sizeToFit];
 239     didFit = true;
 240 NS_HANDLER
 241     // TODO: if anything other than method not implemented, re-raise
 242 NS_ENDHANDLER
 243     if(didFit)
 244     {
 245         NSRect cocoaRect = [m_cocoaNSView frame];
 246         wxSize size((int)ceil(cocoaRect.size.width),(int)ceil(cocoaRect.size.height));
 247         [m_cocoaNSView setFrame: storedRect];
 248         wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxControl=%p::DoGetBestSize()==(%d,%d) from sizeToFit"),this,size.x,size.y);
 249         return size;
 250     }
 251     // Cocoa can't tell us the size, probably not an NSControl.
 252     wxLogDebug(wxT("Class %s (or superclass still below wxControl) should implement DoGetBestSize()"),GetClassInfo()->GetClassName());
 253     return wxControlBase::DoGetBestSize();
 254 }
 255
 256 bool wxControl::ProcessCommand(wxCommandEvent& event)
 257 {
 258     return GetEventHandler()->ProcessEvent(event);
 259 }
 260
 261 void wxControl::CocoaSetEnabled(bool enable)
 262 {
 263     [GetNSControl() setEnabled: enable];
 264 }