Implement mouse entered, exited, and synthesize move events while the mouse is inside.
[wxWidgets.git] / 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 }