1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/button.cpp
4 // Author: Robert Roebling
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
10 // For compilers that support precompilation, includes "wx.h".
11 #include "wx/wxprec.h"
16 #include "wx/button.h"
19 #include "wx/stockitem.h"
21 #include "wx/gtk/private.h"
23 //-----------------------------------------------------------------------------
25 //-----------------------------------------------------------------------------
27 extern bool g_blockEventsOnDrag
;
29 //-----------------------------------------------------------------------------
31 //-----------------------------------------------------------------------------
34 static void gtk_button_clicked_callback( GtkWidget
*WXUNUSED(widget
), wxButton
*button
)
36 if (!button
->m_hasVMT
) return;
37 if (g_blockEventsOnDrag
) return;
39 wxCommandEvent
event(wxEVT_COMMAND_BUTTON_CLICKED
, button
->GetId());
40 event
.SetEventObject(button
);
41 button
->HandleWindowEvent(event
);
45 //-----------------------------------------------------------------------------
46 // "style_set" from m_widget
47 //-----------------------------------------------------------------------------
51 gtk_button_style_set_callback(GtkWidget
* widget
, GtkStyle
*, wxButton
* win
)
53 /* the default button has a border around it */
54 wxWindow
* parent
= win
->GetParent();
55 if (parent
&& parent
->m_wxwindow
&& GTK_WIDGET_CAN_DEFAULT(widget
))
57 GtkBorder
* border
= NULL
;
58 gtk_widget_style_get(widget
, "default_border", &border
, NULL
);
62 win
->m_x
- border
->left
,
63 win
->m_y
- border
->top
,
64 win
->m_width
+ border
->left
+ border
->right
,
65 win
->m_height
+ border
->top
+ border
->bottom
);
66 gtk_border_free(border
);
72 //-----------------------------------------------------------------------------
74 //-----------------------------------------------------------------------------
76 IMPLEMENT_DYNAMIC_CLASS(wxButton
,wxControl
)
78 bool wxButton::Create(wxWindow
*parent
,
80 const wxString
&label
,
84 const wxValidator
& validator
,
87 if (!PreCreation( parent
, pos
, size
) ||
88 !CreateBase( parent
, id
, pos
, size
, style
, validator
, name
))
90 wxFAIL_MSG( wxT("wxButton creation failed") );
94 m_widget
= gtk_button_new_with_mnemonic("");
95 g_object_ref(m_widget
);
97 float x_alignment
= 0.5;
98 if (HasFlag(wxBU_LEFT
))
100 else if (HasFlag(wxBU_RIGHT
))
103 float y_alignment
= 0.5;
104 if (HasFlag(wxBU_TOP
))
106 else if (HasFlag(wxBU_BOTTOM
))
109 gtk_button_set_alignment(GTK_BUTTON(m_widget
), x_alignment
, y_alignment
);
113 if (style
& wxNO_BORDER
)
114 gtk_button_set_relief( GTK_BUTTON(m_widget
), GTK_RELIEF_NONE
);
116 g_signal_connect_after (m_widget
, "clicked",
117 G_CALLBACK (gtk_button_clicked_callback
),
120 g_signal_connect_after (m_widget
, "style_set",
121 G_CALLBACK (gtk_button_style_set_callback
),
124 m_parent
->DoAddChild( this );
132 wxWindow
*wxButton::SetDefault()
134 wxWindow
*oldDefault
= wxButtonBase::SetDefault();
136 GTK_WIDGET_SET_FLAGS( m_widget
, GTK_CAN_DEFAULT
);
137 gtk_widget_grab_default( m_widget
);
139 // resize for default border
140 gtk_button_style_set_callback( m_widget
, NULL
, this );
146 wxSize
wxButtonBase::GetDefaultSize()
148 static wxSize size
= wxDefaultSize
;
149 if (size
== wxDefaultSize
)
151 // NB: Default size of buttons should be same as size of stock
152 // buttons as used in most GTK+ apps. Unfortunately it's a little
153 // tricky to obtain this size: stock button's size may be smaller
154 // than size of button in GtkButtonBox and vice versa,
155 // GtkButtonBox's minimal button size may be smaller than stock
156 // button's size. We have to retrieve both values and combine them.
158 GtkWidget
*wnd
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
159 GtkWidget
*box
= gtk_hbutton_box_new();
160 GtkWidget
*btn
= gtk_button_new_from_stock(GTK_STOCK_CANCEL
);
161 gtk_container_add(GTK_CONTAINER(box
), btn
);
162 gtk_container_add(GTK_CONTAINER(wnd
), box
);
164 gtk_widget_size_request(btn
, &req
);
166 gint minwidth
, minheight
;
167 gtk_widget_style_get(box
,
168 "child-min-width", &minwidth
,
169 "child-min-height", &minheight
,
172 size
.x
= wxMax(minwidth
, req
.width
);
173 size
.y
= wxMax(minheight
, req
.height
);
175 gtk_widget_destroy(wnd
);
180 void wxButton::SetLabel( const wxString
&lbl
)
182 wxCHECK_RET( m_widget
!= NULL
, wxT("invalid button") );
186 if (label
.empty() && wxIsStockID(m_windowId
))
187 label
= wxGetStockLabel(m_windowId
);
189 wxControl::SetLabel(label
);
191 if (wxIsStockID(m_windowId
) && wxIsStockLabel(m_windowId
, label
))
193 const char *stock
= wxGetStockGtkID(m_windowId
);
196 gtk_button_set_label(GTK_BUTTON(m_widget
), stock
);
197 gtk_button_set_use_stock(GTK_BUTTON(m_widget
), TRUE
);
202 const wxString labelGTK
= GTKConvertMnemonics(label
);
203 gtk_button_set_label(GTK_BUTTON(m_widget
), wxGTK_CONV(labelGTK
));
204 gtk_button_set_use_stock(GTK_BUTTON(m_widget
), FALSE
);
206 GTKApplyWidgetStyle( false );
209 bool wxButton::Enable( bool enable
)
211 bool isEnabled
= IsEnabled();
213 if ( !wxControl::Enable( enable
) )
216 gtk_widget_set_sensitive(GTK_BIN(m_widget
)->child
, enable
);
218 if (!isEnabled
&& enable
)
226 GdkWindow
*wxButton::GTKGetWindow(wxArrayGdkWindows
& WXUNUSED(windows
)) const
228 return GTK_BUTTON(m_widget
)->event_window
;
231 void wxButton::DoApplyWidgetStyle(GtkRcStyle
*style
)
233 gtk_widget_modify_style(m_widget
, style
);
234 GtkWidget
*child
= GTK_BIN(m_widget
)->child
;
235 gtk_widget_modify_style(child
, style
);
237 // for buttons with images, the path to the label is (at least in 2.12)
238 // GtkButton -> GtkAlignment -> GtkHBox -> GtkLabel
239 if ( GTK_IS_ALIGNMENT(child
) )
241 GtkWidget
*box
= GTK_BIN(child
)->child
;
242 if ( GTK_IS_BOX(box
) )
244 for (GList
* item
= GTK_BOX(box
)->children
; item
; item
= item
->next
)
246 GtkBoxChild
* boxChild
= static_cast<GtkBoxChild
*>(item
->data
);
247 gtk_widget_modify_style(boxChild
->widget
, style
);
253 wxSize
wxButton::DoGetBestSize() const
255 // the default button in wxGTK is bigger than the other ones because of an
256 // extra border around it, but we don't want to take it into account in
257 // our size calculations (otherwise the result is visually ugly), so
258 // always return the size of non default button from here
259 const bool isDefault
= GTK_WIDGET_HAS_DEFAULT(m_widget
);
262 // temporarily unset default flag
263 GTK_WIDGET_UNSET_FLAGS( m_widget
, GTK_CAN_DEFAULT
);
266 wxSize
ret( wxControl::DoGetBestSize() );
271 GTK_WIDGET_SET_FLAGS( m_widget
, GTK_CAN_DEFAULT
);
274 if (!HasFlag(wxBU_EXACTFIT
))
276 wxSize defaultSize
= GetDefaultSize();
277 if (ret
.x
< defaultSize
.x
)
278 ret
.x
= defaultSize
.x
;
279 if (ret
.y
< defaultSize
.y
)
280 ret
.y
= defaultSize
.y
;
289 wxButton::GetClassDefaultAttributes(wxWindowVariant
WXUNUSED(variant
))
291 return GetDefaultAttributesFromGTKWidget(gtk_button_new
);
294 // ----------------------------------------------------------------------------
296 // ----------------------------------------------------------------------------
298 wxBitmap
wxButton::DoGetBitmap(State which
) const
300 return m_bitmaps
[which
];
303 void wxButton::DoSetBitmap(const wxBitmap
& bitmap
, State which
)
306 // normal image is special: setting it enables images for the button and
307 // resetting it to nothing disables all of them
308 if ( which
== State_Normal
)
310 if ( !gtk_check_version(2,6,0) )
312 GtkWidget
*image
= gtk_button_get_image(GTK_BUTTON(m_widget
));
313 if ( image
&& !bitmap
.IsOk() )
315 gtk_container_remove(GTK_CONTAINER(m_widget
), image
);
316 InvalidateBestSize();
318 else if ( !image
&& bitmap
.IsOk() )
320 image
= gtk_image_new();
321 gtk_button_set_image(GTK_BUTTON(m_widget
), image
);
322 InvalidateBestSize();
324 //else: image presence or absence didn't change
328 gtk_image_set_from_pixbuf(GTK_IMAGE(image
), bitmap
.GetPixbuf());
334 m_bitmaps
[which
] = bitmap
;
337 void wxButton::DoSetBitmapPosition(wxDirection dir
)
340 if ( !gtk_check_version(2,10,0) )
342 GtkPositionType gtkpos
;
346 wxFAIL_MSG( "invalid position" );
350 gtkpos
= GTK_POS_LEFT
;
354 gtkpos
= GTK_POS_RIGHT
;
358 gtkpos
= GTK_POS_TOP
;
362 gtkpos
= GTK_POS_BOTTOM
;
366 gtk_button_set_image_position(GTK_BUTTON(m_widget
), gtkpos
);
371 #endif // wxUSE_BUTTON