Fix broken and missing DataView interface items for Phoenix
[wxWidgets.git] / src / gtk / button.cpp
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c801d85f 1/////////////////////////////////////////////////////////////////////////////
93763ad5 2// Name: src/gtk/button.cpp
c801d85f
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3// Purpose:
4// Author: Robert Roebling
dbf858b5 5// Id: $Id$
01111366 6// Copyright: (c) 1998 Robert Roebling
65571936 7// Licence: wxWindows licence
c801d85f
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8/////////////////////////////////////////////////////////////////////////////
9
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10// For compilers that support precompilation, includes "wx.h".
11#include "wx/wxprec.h"
12
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13#if wxUSE_BUTTON
14
b84aec03 15#ifndef WX_PRECOMP
94aff5ff 16 #include "wx/button.h"
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17#endif
18
5f7bcb48 19#include "wx/stockitem.h"
c801d85f 20
9dc44eff 21#include <gtk/gtk.h>
9e691f46 22#include "wx/gtk/private.h"
9dc44eff 23#include "wx/gtk/private/gtk2-compat.h"
0eec47e4 24#include "wx/gtk/private/list.h"
83624f79 25
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26// ----------------------------------------------------------------------------
27// GTK callbacks
28// ----------------------------------------------------------------------------
66bd6b93 29
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30extern "C"
31{
c801d85f 32
b4a4eafb
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33static void
34wxgtk_button_clicked_callback(GtkWidget *WXUNUSED(widget), wxButton *button)
c801d85f 35{
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36 if ( button->GTKShouldIgnoreEvent() )
37 return;
9e691f46 38
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39 wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
40 event.SetEventObject(button);
937013e0 41 button->HandleWindowEvent(event);
6de97a3b 42}
b4a4eafb 43
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44//-----------------------------------------------------------------------------
45// "style_set" from m_widget
46//-----------------------------------------------------------------------------
47
4cdf71be 48static void
b4a4eafb 49wxgtk_button_style_set_callback(GtkWidget* widget, GtkStyle*, wxButton* win)
a90c0600 50{
f893066b 51 /* the default button has a border around it */
4cdf71be 52 wxWindow* parent = win->GetParent();
fc9ab22a 53 if (parent && parent->m_wxwindow && gtk_widget_get_can_default(widget))
f893066b 54 {
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55 GtkBorder* border = NULL;
56 gtk_widget_style_get(widget, "default_border", &border, NULL);
57 if (border)
f893066b 58 {
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59 win->MoveWindow(
60 win->m_x - border->left,
61 win->m_y - border->top,
62 win->m_width + border->left + border->right,
63 win->m_height + border->top + border->bottom);
64 gtk_border_free(border);
f893066b 65 }
b2ff89d6 66 }
4cdf71be 67}
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68
69} // extern "C"
a90c0600 70
c801d85f 71//-----------------------------------------------------------------------------
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72// wxButton
73//-----------------------------------------------------------------------------
74
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75bool wxButton::Create(wxWindow *parent,
76 wxWindowID id,
77 const wxString &label,
78 const wxPoint& pos,
79 const wxSize& size,
80 long style,
81 const wxValidator& validator,
82 const wxString& name)
c801d85f 83{
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84 if (!PreCreation( parent, pos, size ) ||
85 !CreateBase( parent, id, pos, size, style, validator, name ))
86 {
223d09f6 87 wxFAIL_MSG( wxT("wxButton creation failed") );
93763ad5 88 return false;
4dcaf11a 89 }
c801d85f 90
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91 // create either a standard button with text label (which may still contain
92 // an image under GTK+ 2.6+) or a bitmap-only button if we don't have any
93 // label
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94 const bool
95 useLabel = !(style & wxBU_NOTEXT) && (!label.empty() || wxIsStockID(id));
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96 if ( useLabel )
97 {
98 m_widget = gtk_button_new_with_mnemonic("");
99 }
100 else // no label, suppose we will have a bitmap
101 {
102 m_widget = gtk_button_new();
103
104 GtkWidget *image = gtk_image_new();
105 gtk_widget_show(image);
106 gtk_container_add(GTK_CONTAINER(m_widget), image);
107 }
108
9ff9d30c 109 g_object_ref(m_widget);
354aa1e3 110
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111 float x_alignment = 0.5;
112 if (HasFlag(wxBU_LEFT))
113 x_alignment = 0.0;
114 else if (HasFlag(wxBU_RIGHT))
115 x_alignment = 1.0;
116
117 float y_alignment = 0.5;
118 if (HasFlag(wxBU_TOP))
119 y_alignment = 0.0;
120 else if (HasFlag(wxBU_BOTTOM))
121 y_alignment = 1.0;
122
593ac8df 123 gtk_button_set_alignment(GTK_BUTTON(m_widget), x_alignment, y_alignment);
a696db45 124
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125 if ( useLabel )
126 SetLabel(label);
354aa1e3 127
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128 if (style & wxNO_BORDER)
129 gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
de1c750f 130
9fa72bd2 131 g_signal_connect_after (m_widget, "clicked",
b4a4eafb 132 G_CALLBACK (wxgtk_button_clicked_callback),
9fa72bd2 133 this);
c801d85f 134
9fa72bd2 135 g_signal_connect_after (m_widget, "style_set",
b4a4eafb 136 G_CALLBACK (wxgtk_button_style_set_callback),
9fa72bd2 137 this);
b2ff89d6 138
f03fc89f 139 m_parent->DoAddChild( this );
9e691f46 140
abdeb9e7 141 PostCreation(size);
db434467 142
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143 return true;
144}
b2ff89d6 145
32c77a71 146
94aff5ff 147wxWindow *wxButton::SetDefault()
c801d85f 148{
94aff5ff 149 wxWindow *oldDefault = wxButtonBase::SetDefault();
b2ff89d6 150
fc9ab22a 151 gtk_widget_set_can_default(m_widget, TRUE);
3502e687 152 gtk_widget_grab_default( m_widget );
b2ff89d6 153
f893066b 154 // resize for default border
b4a4eafb 155 wxgtk_button_style_set_callback( m_widget, NULL, this );
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156
157 return oldDefault;
6de97a3b 158}
c801d85f 159
ebea0891 160/* static */
4fa87bd9 161wxSize wxButtonBase::GetDefaultSize()
8dbf4589 162{
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163 static wxSize size = wxDefaultSize;
164 if (size == wxDefaultSize)
165 {
166 // NB: Default size of buttons should be same as size of stock
167 // buttons as used in most GTK+ apps. Unfortunately it's a little
168 // tricky to obtain this size: stock button's size may be smaller
169 // than size of button in GtkButtonBox and vice versa,
170 // GtkButtonBox's minimal button size may be smaller than stock
171 // button's size. We have to retrieve both values and combine them.
172
173 GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
174 GtkWidget *box = gtk_hbutton_box_new();
175 GtkWidget *btn = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
176 gtk_container_add(GTK_CONTAINER(box), btn);
177 gtk_container_add(GTK_CONTAINER(wnd), box);
178 GtkRequisition req;
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179#ifdef __WXGTK3__
180 gtk_widget_get_preferred_height(btn, NULL, &req.height);
181 gtk_widget_get_preferred_width_for_height(btn, req.height, NULL, &req.width);
182#else
4fa87bd9 183 gtk_widget_size_request(btn, &req);
9dc44eff 184#endif
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185
186 gint minwidth, minheight;
187 gtk_widget_style_get(box,
188 "child-min-width", &minwidth,
189 "child-min-height", &minheight,
190 NULL);
191
192 size.x = wxMax(minwidth, req.width);
193 size.y = wxMax(minheight, req.height);
b2ff89d6 194
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195 gtk_widget_destroy(wnd);
196 }
197 return size;
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198}
199
5f7bcb48 200void wxButton::SetLabel( const wxString &lbl )
c801d85f 201{
223d09f6 202 wxCHECK_RET( m_widget != NULL, wxT("invalid button") );
9e691f46 203
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204 wxString label(lbl);
205
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206 if (label.empty() && wxIsStockID(m_windowId))
207 label = wxGetStockLabel(m_windowId);
5f7bcb48 208
b4354db1 209 wxAnyButton::SetLabel(label);
9e691f46 210
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211 // don't use label if it was explicitly disabled
212 if ( HasFlag(wxBU_NOTEXT) )
213 return;
214
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215 if (wxIsStockID(m_windowId) && wxIsStockLabel(m_windowId, label))
216 {
217 const char *stock = wxGetStockGtkID(m_windowId);
218 if (stock)
219 {
220 gtk_button_set_label(GTK_BUTTON(m_widget), stock);
221 gtk_button_set_use_stock(GTK_BUTTON(m_widget), TRUE);
b04683b1 222 return;
5f7bcb48 223 }
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224 }
225
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226 // this call is necessary if the button had been initially created without
227 // a (text) label -- then we didn't use gtk_button_new_with_mnemonic() and
228 // so "use-underline" GtkButton property remained unset
229 gtk_button_set_use_underline(GTK_BUTTON(m_widget), TRUE);
4cdf71be 230 const wxString labelGTK = GTKConvertMnemonics(label);
b2ff89d6 231 gtk_button_set_label(GTK_BUTTON(m_widget), wxGTK_CONV(labelGTK));
5f7bcb48 232 gtk_button_set_use_stock(GTK_BUTTON(m_widget), FALSE);
b2ff89d6 233
496e7ec6 234 GTKApplyWidgetStyle( false );
6de97a3b 235}
c801d85f 236
f382836f 237#if wxUSE_MARKUP
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238bool wxButton::DoSetLabelMarkup(const wxString& markup)
239{
240 wxCHECK_MSG( m_widget != NULL, false, "invalid button" );
241
242 const wxString stripped = RemoveMarkup(markup);
243 if ( stripped.empty() && !markup.empty() )
244 return false;
245
246 wxControl::SetLabel(stripped);
247
248 GtkLabel * const label = GTKGetLabel();
249 wxCHECK_MSG( label, false, "no label in this button?" );
250
251 GTKSetLabelWithMarkupForLabel(label, markup);
252
253 return true;
254}
255
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256GtkLabel *wxButton::GTKGetLabel() const
257{
385e8575 258 GtkWidget* child = gtk_bin_get_child(GTK_BIN(m_widget));
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259 if ( GTK_IS_ALIGNMENT(child) )
260 {
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261 GtkWidget* box = gtk_bin_get_child(GTK_BIN(child));
262 GtkLabel* label = NULL;
0eec47e4 263 wxGtkList list(gtk_container_get_children(GTK_CONTAINER(box)));
385e8575 264 for (GList* item = list; item; item = item->next)
de1cc378 265 {
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266 if (GTK_IS_LABEL(item->data))
267 label = GTK_LABEL(item->data);
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268 }
269
385e8575 270 return label;
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271 }
272
273 return GTK_LABEL(child);
274}
af806b13 275#endif // wxUSE_MARKUP
de1cc378 276
f40fdaa3 277void wxButton::DoApplyWidgetStyle(GtkRcStyle *style)
868a2826 278{
9dc44eff 279 GTKApplyStyle(m_widget, style);
385e8575 280 GtkWidget* child = gtk_bin_get_child(GTK_BIN(m_widget));
9dc44eff 281 GTKApplyStyle(child, style);
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282
283 // for buttons with images, the path to the label is (at least in 2.12)
284 // GtkButton -> GtkAlignment -> GtkHBox -> GtkLabel
285 if ( GTK_IS_ALIGNMENT(child) )
286 {
385e8575 287 GtkWidget* box = gtk_bin_get_child(GTK_BIN(child));
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288 if ( GTK_IS_BOX(box) )
289 {
0eec47e4 290 wxGtkList list(gtk_container_get_children(GTK_CONTAINER(box)));
385e8575 291 for (GList* item = list; item; item = item->next)
f4b0832d 292 {
9dc44eff 293 GTKApplyStyle(GTK_WIDGET(item->data), style);
f4b0832d 294 }
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295 }
296 }
a81258be 297}
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298
299wxSize wxButton::DoGetBestSize() const
300{
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301 // the default button in wxGTK is bigger than the other ones because of an
302 // extra border around it, but we don't want to take it into account in
7be740a3 303 // our size calculations (otherwise the result is visually ugly), so
4f819fe4 304 // always return the size of non default button from here
d5027818 305 const bool isDefault = gtk_widget_has_default(m_widget) != 0;
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306 if ( isDefault )
307 {
308 // temporarily unset default flag
fc9ab22a 309 gtk_widget_set_can_default(m_widget, FALSE);
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310 }
311
b4354db1 312 wxSize ret( wxAnyButton::DoGetBestSize() );
9e691f46 313
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314 if ( isDefault )
315 {
316 // set it back again
fc9ab22a 317 gtk_widget_set_can_default(m_widget, TRUE);
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318 }
319
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320 if (!HasFlag(wxBU_EXACTFIT))
321 {
4fa87bd9 322 wxSize defaultSize = GetDefaultSize();
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323 if (ret.x < defaultSize.x)
324 ret.x = defaultSize.x;
325 if (ret.y < defaultSize.y)
326 ret.y = defaultSize.y;
8ab696e0 327 }
9e691f46 328
9f884528 329 CacheBestSize(ret);
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330 return ret;
331}
332
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333// static
334wxVisualAttributes
335wxButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
336{
337 return GetDefaultAttributesFromGTKWidget(gtk_button_new);
338}
339
1e6feb95 340#endif // wxUSE_BUTTON