1/////////////////////////////////////////////////////////////////////////////
2// Name:        src/cocoa/button.mm
3// Purpose:     wxButton
4// Author:      David Elliott
5// Modified by:
6// Created:     2002/12/30
7// RCS-ID:      $Id: button.mm 48529 2007-09-03 17:17:35Z DE $
8// Copyright:   (c) 2002 David Elliott
9// Licence:     wxWidgets licence
10/////////////////////////////////////////////////////////////////////////////
11
12#include "wx/wxprec.h"
13
14#include "wx/button.h"
15
16#ifndef WX_PRECOMP
17    #include "wx/log.h"
18    #include "wx/toplevel.h"
19#endif
20
21#include "wx/stockitem.h"
22#include "wx/cocoa/autorelease.h"
23#include "wx/cocoa/string.h"
24
25#import <AppKit/NSButton.h>
26#import <math.h>
27
28IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl)
29BEGIN_EVENT_TABLE(wxButton, wxButtonBase)
30END_EVENT_TABLE()
31WX_IMPLEMENT_COCOA_OWNER(wxButton,NSButton,NSControl,NSView)
32
33bool wxButton::Create(wxWindow *parent, wxWindowID winid,
34            const wxString& lbl, const wxPoint& pos,
35            const wxSize& size, long style,
36            const wxValidator& validator, const wxString& name)
37{
38    wxString label((lbl.empty() && wxIsStockID(winid))?wxGetStockLabel(winid):lbl);
39
40    wxAutoNSAutoreleasePool pool;
41    wxLogTrace(wxTRACE_COCOA,wxT("Creating control with id=%d"),winid);
42    if(!CreateControl(parent,winid,pos,size,style,validator,name))
43        return false;
44    wxLogTrace(wxTRACE_COCOA,wxT("Created control with id=%d"),GetId());
45    m_cocoaNSView = NULL;
46    SetNSButton([[NSButton alloc] initWithFrame: MakeDefaultNSRect(size)]);
47    // NOTE: YES we want to release this (to match the alloc).
48    // DoAddChild(this) will retain us again since addSubView doesn't.
49    [m_cocoaNSView release];
50
51    [GetNSButton() setBezelStyle:NSRoundedBezelStyle];
52    CocoaSetLabelForObject(label, GetNSButton());
53
54    do
55    {
56        NSTextAlignment mode;
57        if ((style & wxBU_LEFT) && !(style & wxBU_RIGHT))
58            mode = NSLeftTextAlignment;
59        else if ((style & wxBU_RIGHT) && !(style & wxBU_LEFT))
60            mode = NSRightTextAlignment;
61        else
62            break;
63        [GetNSControl() setAlignment:mode];
64    } while(0);
65
66    [GetNSControl() sizeToFit];
67
68    if(m_parent)
69        m_parent->CocoaAddChild(this);
70    SetInitialFrameRect(pos,size);
71
72    return true;
73}
74
75wxButton::~wxButton()
76{
77    DisassociateNSButton(GetNSButton());
78}
79
80void wxButton::Cocoa_wxNSButtonAction(void)
81{
82    wxLogTrace(wxTRACE_COCOA,wxT("YAY!"));
83    wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, GetId());
84    InitCommandEvent(event); //    event.SetEventObject(this);
85    Command(event);
86}
87
88wxString wxButton::GetLabel() const
89{
90    return wxStringWithNSString([GetNSButton() title]);
91}
92
93void wxButton::SetLabel(const wxString& label)
94{
95    CocoaSetLabelForObject(label, GetNSButton());
96}
97
98wxSize wxButton::DoGetBestSize() const
99{
100    wxSize size = wxButtonBase::DoGetBestSize();
101    if(!HasFlag(wxBU_EXACTFIT))
102    {
103        if(size.x<68)
104            size.x = 68;
105    }
106    return size;
107}
108
109void wxButton::SetDefault()
110{
111    wxTopLevelWindow * const
112        tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
113
114    wxCHECK_RET( tlw != NULL, _T("button without top level window?") );
115
116    tlw->SetDefaultItem(this);
117}
118
119static NSRect MakeNSButtonDefaultRect()
120{
121    // create at (10.0,10.0) with size 20.0x20.0 (just bogus values)
122    wxObjcAutoRefFromAlloc<NSButton*> defaultButton = [[NSButton alloc]
123            initWithFrame:NSMakeRect(10.0,10.0,20.0,20.0)];
124    [static_cast<NSButton*>(defaultButton) setBezelStyle:NSRoundedBezelStyle];
125    [static_cast<NSButton*>(defaultButton) setTitle:@""];
126    [static_cast<NSButton*>(defaultButton) sizeToFit];
127    return [static_cast<NSButton*>(defaultButton) frame];
128}
129
130wxSize wxButtonBase::GetDefaultSize()
131{
132    static NSRect cocoaRect = MakeNSButtonDefaultRect();
133    // Apple HIG says OK/Cancel buttons have default width of 68.
134    return wxSize(68,(int)ceil(cocoaRect.size.height));
135}
136