1/////////////////////////////////////////////////////////////////////////////
2// Name:        src/cocoa/control.mm
3// Purpose:     wxControl class
4// Author:      David Elliiott
5// Modified by:
6// Created:     2003/02/15
7// Copyright:   (c) 2003 David Elliott
8// Licence:     wxWindows licence
9/////////////////////////////////////////////////////////////////////////////
10
11#include "wx/wxprec.h"
12
13#include "wx/control.h"
14
15#ifndef WX_PRECOMP
16    #include "wx/log.h"
17#endif
18
19#include "wx/cocoa/autorelease.h"
20#include "wx/cocoa/string.h"
21#include "wx/cocoa/trackingrectmanager.h"
22#include "wx/cocoa/objc/objc_uniquifying.h"
23#include "wx/cocoa/objc/NSView.h"
24
25#import <AppKit/NSControl.h>
26#import <AppKit/NSCell.h>
27#import <Foundation/NSException.h>
28
29#include <math.h>
30
31IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
32BEGIN_EVENT_TABLE(wxControl, wxControlBase)
33END_EVENT_TABLE()
34WX_IMPLEMENT_COCOA_OWNER(wxControl,NSControl,NSView,NSView)
35
36bool wxControl::Create(wxWindow *parent, wxWindowID winid,
37            const wxPoint& pos, const wxSize& size, long style,
38            const wxValidator& validator, const wxString& name)
39{
40    wxLogTrace(wxTRACE_COCOA,wxT("Creating control with id=%d"),winid);
41    if(!CreateControl(parent,winid,pos,size,style,validator,name))
42        return false;
43    wxLogTrace(wxTRACE_COCOA,wxT("Created control with id=%d"),GetId());
44    m_cocoaNSView = NULL;
45    SetNSControl([[WX_GET_OBJC_CLASS(WXNSView) alloc] initWithFrame: MakeDefaultNSRect(size)]);
46    // NOTE: YES we want to release this (to match the alloc).
47    // DoAddChild(this) will retain us again since addSubView doesn't.
48    [m_cocoaNSView release];
49
50    if(m_parent)
51        m_parent->CocoaAddChild(this);
52    SetInitialFrameRect(pos,size);
53
54    // Controls should have a viewable-area tracking rect by default
55    m_visibleTrackingRectManager = new wxCocoaTrackingRectManager(this);
56
57    return true;
58}
59
60wxControl::~wxControl()
61{
62    DisassociateNSControl(GetNSControl());
63}
64
65wxSize wxControl::DoGetBestSize() const
66{
67    wxAutoNSAutoreleasePool pool;
68    wxASSERT(GetNSControl());
69    /* We can ask single-celled controls for their cell and get its size */
70    NSCell *cell = nil;
71    if([GetNSControl() respondsToSelector:@selector(cell)])
72        cell = [GetNSControl() cell];
73    if(cell)
74    {
75        NSSize cellSize = [cell cellSize];
76        wxSize size((int)ceil(cellSize.width),(int)ceil(cellSize.height));
77        wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxControl=%p::DoGetBestSize()==(%d,%d) from NSCell"),this,size.x,size.y);
78        return size;
79    }
80
81    /* multi-celled control? size to fit, get the size, then set it back */
82    if([GetNSControl() respondsToSelector:@selector(sizeToFit)])
83    {
84        NSRect storedRect = [m_cocoaNSView frame];
85        [GetNSControl() sizeToFit];
86        NSRect cocoaRect = [m_cocoaNSView frame];
87        wxSize size((int)ceil(cocoaRect.size.width),(int)ceil(cocoaRect.size.height));
88        [m_cocoaNSView setFrame: storedRect];
89        wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxControl=%p::DoGetBestSize()==(%d,%d) from sizeToFit"),this,size.x,size.y);
90        return size;
91    }
92    // Cocoa can't tell us the size, probably not an NSControl.
93    wxLogDebug(wxT("Class %s (or superclass still below wxControl) should implement DoGetBestSize()"),GetClassInfo()->GetClassName());
94    return wxControlBase::DoGetBestSize();
95}
96
97bool wxControl::ProcessCommand(wxCommandEvent& event)
98{
99    return HandleWindowEvent(event);
100}
101
102void wxControl::CocoaSetEnabled(bool enable)
103{
104    if([GetNSControl() respondsToSelector:@selector(setEnabled:)])
105        [GetNSControl() setEnabled: enable];
106}
107
108/*static*/ void wxControl::CocoaSetLabelForObject(const wxString& label, struct objc_object *aView)
109{
110    [aView setTitle:wxNSStringWithWxString(GetLabelText(label))];
111}
112
113