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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/common/ctrlcmn.cpp | |
3 | // Purpose: wxControl common interface | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 26.07.99 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) wxWidgets team | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | // For compilers that support precompilation, includes "wx.h". | |
21 | #include "wx/wxprec.h" | |
22 | ||
23 | #ifdef __BORLANDC__ | |
24 | #pragma hdrstop | |
25 | #endif | |
26 | ||
27 | #if wxUSE_CONTROLS | |
28 | ||
29 | #include "wx/control.h" | |
30 | ||
31 | #ifndef WX_PRECOMP | |
32 | #include "wx/log.h" | |
33 | #include "wx/radiobut.h" | |
34 | #include "wx/statbmp.h" | |
35 | #include "wx/bitmap.h" | |
36 | #include "wx/utils.h" // for wxStripMenuCodes() | |
37 | #endif | |
38 | ||
39 | const char wxControlNameStr[] = "control"; | |
40 | ||
41 | // ============================================================================ | |
42 | // implementation | |
43 | // ============================================================================ | |
44 | ||
45 | wxControlBase::~wxControlBase() | |
46 | { | |
47 | // this destructor is required for Darwin | |
48 | } | |
49 | ||
50 | bool wxControlBase::Create(wxWindow *parent, | |
51 | wxWindowID id, | |
52 | const wxPoint &pos, | |
53 | const wxSize &size, | |
54 | long style, | |
55 | const wxValidator& wxVALIDATOR_PARAM(validator), | |
56 | const wxString &name) | |
57 | { | |
58 | bool ret = wxWindow::Create(parent, id, pos, size, style, name); | |
59 | ||
60 | #if wxUSE_VALIDATORS | |
61 | if ( ret ) | |
62 | SetValidator(validator); | |
63 | #endif // wxUSE_VALIDATORS | |
64 | ||
65 | return ret; | |
66 | } | |
67 | ||
68 | bool wxControlBase::CreateControl(wxWindowBase *parent, | |
69 | wxWindowID id, | |
70 | const wxPoint& pos, | |
71 | const wxSize& size, | |
72 | long style, | |
73 | const wxValidator& validator, | |
74 | const wxString& name) | |
75 | { | |
76 | // even if it's possible to create controls without parents in some port, | |
77 | // it should surely be discouraged because it doesn't work at all under | |
78 | // Windows | |
79 | wxCHECK_MSG( parent, false, wxT("all controls must have parents") ); | |
80 | ||
81 | if ( !CreateBase(parent, id, pos, size, style, validator, name) ) | |
82 | return false; | |
83 | ||
84 | parent->AddChild(this); | |
85 | ||
86 | return true; | |
87 | } | |
88 | ||
89 | /* static */ | |
90 | wxString wxControlBase::GetLabelText(const wxString& label) | |
91 | { | |
92 | // we don't want strip the TABs here, just the mnemonics | |
93 | return wxStripMenuCodes(label, wxStrip_Mnemonics); | |
94 | } | |
95 | ||
96 | void wxControlBase::Command(wxCommandEvent& event) | |
97 | { | |
98 | (void)GetEventHandler()->ProcessEvent(event); | |
99 | } | |
100 | ||
101 | void wxControlBase::InitCommandEvent(wxCommandEvent& event) const | |
102 | { | |
103 | event.SetEventObject((wxControlBase *)this); // const_cast | |
104 | ||
105 | // event.SetId(GetId()); -- this is usuall done in the event ctor | |
106 | ||
107 | switch ( m_clientDataType ) | |
108 | { | |
109 | case wxClientData_Void: | |
110 | event.SetClientData(GetClientData()); | |
111 | break; | |
112 | ||
113 | case wxClientData_Object: | |
114 | event.SetClientObject(GetClientObject()); | |
115 | break; | |
116 | ||
117 | case wxClientData_None: | |
118 | // nothing to do | |
119 | ; | |
120 | } | |
121 | } | |
122 | ||
123 | bool wxControlBase::SetFont(const wxFont& font) | |
124 | { | |
125 | InvalidateBestSize(); | |
126 | return wxWindow::SetFont(font); | |
127 | } | |
128 | ||
129 | // wxControl-specific processing after processing the update event | |
130 | void wxControlBase::DoUpdateWindowUI(wxUpdateUIEvent& event) | |
131 | { | |
132 | // call inherited | |
133 | wxWindowBase::DoUpdateWindowUI(event); | |
134 | ||
135 | // update label | |
136 | if ( event.GetSetText() ) | |
137 | { | |
138 | if ( event.GetText() != GetLabel() ) | |
139 | SetLabel(event.GetText()); | |
140 | } | |
141 | ||
142 | // Unfortunately we don't yet have common base class for | |
143 | // wxRadioButton, so we handle updates of radiobuttons here. | |
144 | // TODO: If once wxRadioButtonBase will exist, move this code there. | |
145 | #if wxUSE_RADIOBTN | |
146 | if ( event.GetSetChecked() ) | |
147 | { | |
148 | wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton); | |
149 | if ( radiobtn ) | |
150 | radiobtn->SetValue(event.GetChecked()); | |
151 | } | |
152 | #endif // wxUSE_RADIOBTN | |
153 | } | |
154 | ||
155 | /* static */ | |
156 | wxString wxControlBase::RemoveMnemonics(const wxString& str) | |
157 | { | |
158 | return wxStripMenuCodes(str, wxStrip_Mnemonics); | |
159 | } | |
160 | ||
161 | /* static */ | |
162 | int wxControlBase::FindAccelIndex(const wxString& label, wxString *labelOnly) | |
163 | { | |
164 | // the character following MNEMONIC_PREFIX is the accelerator for this | |
165 | // control unless it is MNEMONIC_PREFIX too - this allows to insert | |
166 | // literal MNEMONIC_PREFIX chars into the label | |
167 | static const wxChar MNEMONIC_PREFIX = _T('&'); | |
168 | ||
169 | if ( labelOnly ) | |
170 | { | |
171 | labelOnly->Empty(); | |
172 | labelOnly->Alloc(label.length()); | |
173 | } | |
174 | ||
175 | int indexAccel = -1; | |
176 | for ( wxString::const_iterator pc = label.begin(); pc != label.end(); ++pc ) | |
177 | { | |
178 | if ( *pc == MNEMONIC_PREFIX ) | |
179 | { | |
180 | ++pc; // skip it | |
181 | if ( pc == label.end() ) | |
182 | break; | |
183 | else if ( *pc != MNEMONIC_PREFIX ) | |
184 | { | |
185 | if ( indexAccel == -1 ) | |
186 | { | |
187 | // remember it (-1 is for MNEMONIC_PREFIX itself | |
188 | indexAccel = pc - label.begin() - 1; | |
189 | } | |
190 | else | |
191 | { | |
192 | wxFAIL_MSG(_T("duplicate accel char in control label")); | |
193 | } | |
194 | } | |
195 | } | |
196 | ||
197 | if ( labelOnly ) | |
198 | { | |
199 | *labelOnly += *pc; | |
200 | } | |
201 | } | |
202 | ||
203 | return indexAccel; | |
204 | } | |
205 | ||
206 | wxBorder wxControlBase::GetDefaultBorder() const | |
207 | { | |
208 | return wxBORDER_THEME; | |
209 | } | |
210 | ||
211 | ||
212 | // ---------------------------------------------------------------------------- | |
213 | // wxStaticBitmap | |
214 | // ---------------------------------------------------------------------------- | |
215 | ||
216 | #if wxUSE_STATBMP | |
217 | ||
218 | wxStaticBitmapBase::~wxStaticBitmapBase() | |
219 | { | |
220 | // this destructor is required for Darwin | |
221 | } | |
222 | ||
223 | wxSize wxStaticBitmapBase::DoGetBestSize() const | |
224 | { | |
225 | wxSize best; | |
226 | wxBitmap bmp = GetBitmap(); | |
227 | if ( bmp.Ok() ) | |
228 | best = wxSize(bmp.GetWidth(), bmp.GetHeight()); | |
229 | else | |
230 | // this is completely arbitrary | |
231 | best = wxSize(16, 16); | |
232 | CacheBestSize(best); | |
233 | return best; | |
234 | } | |
235 | ||
236 | #endif // wxUSE_STATBMP | |
237 | ||
238 | #endif // wxUSE_CONTROLS |