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4ddfa282 SC |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: src/osx/cocoa/combobox.mm | |
3 | // Purpose: wxChoice | |
4 | // Author: Stefan Csomor | |
5 | // Modified by: | |
6 | // Created: 1998-01-01 | |
7 | // RCS-ID: $Id: combobox.mm 54129 2008-06-11 19:30:52Z SC $ | |
8 | // Copyright: (c) Stefan Csomor | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #include "wx/wxprec.h" | |
13 | ||
c84030e0 | 14 | #if wxUSE_COMBOBOX |
4ddfa282 SC |
15 | |
16 | #include "wx/combobox.h" | |
17 | ||
18 | #ifndef WX_PRECOMP | |
19 | #include "wx/menu.h" | |
20 | #include "wx/dcclient.h" | |
21 | #endif | |
22 | ||
c84030e0 | 23 | #include "wx/osx/cocoa/private/textimpl.h" |
4ddfa282 SC |
24 | |
25 | // work in progress | |
26 | ||
27 | @interface wxNSComboBox : NSComboBox | |
28 | { | |
29 | } | |
30 | ||
31 | @end | |
32 | ||
33 | @implementation wxNSComboBox | |
34 | ||
35 | + (void)initialize | |
36 | { | |
37 | static BOOL initialized = NO; | |
38 | if (!initialized) | |
39 | { | |
40 | initialized = YES; | |
41 | wxOSXCocoaClassAddWXMethods( self ); | |
42 | } | |
43 | } | |
44 | ||
c84030e0 | 45 | - (void)controlTextDidChange:(NSNotification *)aNotification |
4ddfa282 | 46 | { |
c84030e0 KO |
47 | wxUnusedVar(aNotification); |
48 | wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self ); | |
809020fc | 49 | if ( impl && impl->ShouldSendEvents() ) |
c84030e0 KO |
50 | { |
51 | wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer(); | |
52 | if ( wxpeer ) { | |
53 | wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, wxpeer->GetId()); | |
54 | event.SetEventObject( wxpeer ); | |
55 | event.SetString( static_cast<wxComboBox*>(wxpeer)->GetValue() ); | |
56 | wxpeer->HandleWindowEvent( event ); | |
57 | } | |
58 | } | |
4ddfa282 SC |
59 | } |
60 | ||
c84030e0 | 61 | - (void)comboBoxSelectionDidChange:(NSNotification *)notification |
4ddfa282 | 62 | { |
c84030e0 KO |
63 | wxUnusedVar(notification); |
64 | wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self ); | |
809020fc | 65 | if ( impl && impl->ShouldSendEvents()) |
c84030e0 KO |
66 | { |
67 | wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer(); | |
68 | if ( wxpeer ) { | |
69 | wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, wxpeer->GetId()); | |
70 | event.SetEventObject( wxpeer ); | |
71 | event.SetInt( static_cast<wxComboBox*>(wxpeer)->GetSelection() ); | |
72 | // For some reason, wxComboBox::GetValue will not return the newly selected item | |
73 | // while we're inside this callback, so use AddPendingEvent to make sure | |
74 | // GetValue() returns the right value. | |
75 | wxpeer->GetEventHandler()->AddPendingEvent( event ); | |
76 | } | |
77 | } | |
4ddfa282 | 78 | } |
4ddfa282 SC |
79 | @end |
80 | ||
c072b9ec VZ |
81 | wxNSComboBoxControl::wxNSComboBoxControl( wxComboBox *wxPeer, WXWidget w ) |
82 | : wxNSTextFieldControl(wxPeer, wxPeer, w) | |
c84030e0 KO |
83 | { |
84 | m_comboBox = (NSComboBox*)w; | |
85 | } | |
86 | ||
87 | wxNSComboBoxControl::~wxNSComboBoxControl() | |
88 | { | |
89 | } | |
90 | ||
91 | int wxNSComboBoxControl::GetSelectedItem() const | |
92 | { | |
93 | return [m_comboBox indexOfSelectedItem]; | |
94 | } | |
95 | ||
96 | void wxNSComboBoxControl::SetSelectedItem(int item) | |
97 | { | |
803e2857 | 98 | wxASSERT_MSG(item >= 0 && item < [m_comboBox numberOfItems], "Inavlid item index."); |
809020fc | 99 | SendEvents(false); |
c84030e0 | 100 | [m_comboBox selectItemAtIndex: item]; |
809020fc | 101 | SendEvents(true); |
c84030e0 KO |
102 | } |
103 | ||
104 | int wxNSComboBoxControl::GetNumberOfItems() const | |
105 | { | |
106 | return [m_comboBox numberOfItems]; | |
107 | } | |
108 | ||
109 | void wxNSComboBoxControl::InsertItem(int pos, const wxString& item) | |
110 | { | |
111 | [m_comboBox insertItemWithObjectValue:wxCFStringRef( item , m_wxPeer->GetFont().GetEncoding() ).AsNSString() atIndex:pos]; | |
112 | } | |
113 | ||
114 | void wxNSComboBoxControl::RemoveItem(int pos) | |
115 | { | |
809020fc | 116 | SendEvents(false); |
c84030e0 | 117 | [m_comboBox removeItemAtIndex:pos]; |
809020fc | 118 | SendEvents(true); |
c84030e0 KO |
119 | } |
120 | ||
121 | void wxNSComboBoxControl::Clear() | |
122 | { | |
809020fc | 123 | SendEvents(false); |
c84030e0 | 124 | [m_comboBox removeAllItems]; |
809020fc | 125 | SendEvents(true); |
c84030e0 KO |
126 | } |
127 | ||
128 | wxString wxNSComboBoxControl::GetStringAtIndex(int pos) const | |
129 | { | |
130 | return wxCFStringRef::AsString([m_comboBox itemObjectValueAtIndex:pos], m_wxPeer->GetFont().GetEncoding()); | |
131 | } | |
132 | ||
133 | int wxNSComboBoxControl::FindString(const wxString& text) const | |
134 | { | |
2c755d9b KO |
135 | int result = [m_comboBox indexOfItemWithObjectValue:wxCFStringRef( text , m_wxPeer->GetFont().GetEncoding() ).AsNSString()]; |
136 | if (result == NSNotFound) | |
137 | result = wxNOT_FOUND; | |
138 | return result; | |
c84030e0 KO |
139 | } |
140 | ||
c072b9ec | 141 | wxWidgetImplType* wxWidgetImpl::CreateComboBox( wxComboBox* wxpeer, |
4ddfa282 SC |
142 | wxWindowMac* WXUNUSED(parent), |
143 | wxWindowID WXUNUSED(id), | |
144 | wxMenu* menu, | |
145 | const wxPoint& pos, | |
146 | const wxSize& size, | |
ec073e73 | 147 | long style, |
4ddfa282 SC |
148 | long WXUNUSED(extraStyle)) |
149 | { | |
150 | NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ; | |
f941a30b | 151 | wxNSComboBox* v = [[wxNSComboBox alloc] initWithFrame:r]; |
ec073e73 KO |
152 | if (style & wxCB_READONLY) |
153 | [v setEditable:NO]; | |
c84030e0 | 154 | wxNSComboBoxControl* c = new wxNSComboBoxControl( wxpeer, v ); |
4ddfa282 SC |
155 | return c; |
156 | } | |
157 | ||
5bd77105 SC |
158 | wxSize wxComboBox::DoGetBestSize() const |
159 | { | |
160 | int lbWidth = GetCount() > 0 ? 20 : 100; // some defaults | |
161 | wxSize baseSize = wxWindow::DoGetBestSize(); | |
162 | int lbHeight = baseSize.y; | |
163 | int wLine; | |
164 | ||
165 | { | |
166 | wxClientDC dc(const_cast<wxComboBox*>(this)); | |
167 | ||
168 | // Find the widest line | |
169 | for(unsigned int i = 0; i < GetCount(); i++) | |
170 | { | |
171 | wxString str(GetString(i)); | |
172 | ||
173 | wxCoord width, height ; | |
174 | dc.GetTextExtent( str , &width, &height); | |
175 | wLine = width ; | |
176 | ||
177 | lbWidth = wxMax( lbWidth, wLine ) ; | |
178 | } | |
179 | ||
180 | // Add room for the popup arrow | |
181 | lbWidth += 2 * lbHeight ; | |
182 | } | |
183 | ||
184 | return wxSize( lbWidth, lbHeight ); | |
185 | } | |
186 | ||
c072b9ec | 187 | #endif // wxUSE_COMBOBOX |