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Remove m_blockEvents and use Disable/Enable instead, some more rearraging
[wxWidgets.git] / src / gtk / button.cpp
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c801d85f 1/////////////////////////////////////////////////////////////////////////////
93763ad5 2// Name: src/gtk/button.cpp
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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
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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
9e691f46 21#include "wx/gtk/private.h"
83624f79 22
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23//-----------------------------------------------------------------------------
24// classes
25//-----------------------------------------------------------------------------
26
27class wxButton;
28
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29//-----------------------------------------------------------------------------
30// data
31//-----------------------------------------------------------------------------
32
33extern bool g_blockEventsOnDrag;
34
c801d85f 35//-----------------------------------------------------------------------------
e1e955e1 36// "clicked"
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37//-----------------------------------------------------------------------------
38
865bb325 39extern "C" {
66bd6b93 40static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxButton *button )
c801d85f 41{
a2053b27 42 if (!button->m_hasVMT) return;
acfd422a 43 if (g_blockEventsOnDrag) return;
9e691f46 44
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45 wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
46 event.SetEventObject(button);
937013e0 47 button->HandleWindowEvent(event);
6de97a3b 48}
865bb325 49}
c801d85f 50
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51//-----------------------------------------------------------------------------
52// "style_set" from m_widget
53//-----------------------------------------------------------------------------
54
55static gint
56gtk_button_style_set_callback( GtkWidget *m_widget, GtkStyle *WXUNUSED(style), wxButton *win )
57{
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58 int left_border = 0;
59 int right_border = 0;
60 int top_border = 0;
61 int bottom_border = 0;
b2ff89d6 62
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63 /* the default button has a border around it */
64 if (GTK_WIDGET_CAN_DEFAULT(m_widget))
65 {
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66 GtkBorder *default_border = NULL;
67 gtk_widget_style_get( m_widget, "default_border", &default_border, NULL );
68 if (default_border)
69 {
70 left_border += default_border->left;
71 right_border += default_border->right;
72 top_border += default_border->top;
73 bottom_border += default_border->bottom;
6cfdfed8 74 gtk_border_free( default_border );
f893066b 75 }
6f02a879 76 win->MoveWindow(
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77 win->m_x - left_border,
78 win->m_y - top_border,
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79 win->m_width + left_border + right_border,
80 win->m_height + top_border + bottom_border);
b2ff89d6 81 }
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82
83 return FALSE;
84}
85
c801d85f 86//-----------------------------------------------------------------------------
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87// wxButton
88//-----------------------------------------------------------------------------
89
90IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl)
c801d85f 91
fd0eed64 92wxButton::wxButton()
c801d85f 93{
6de97a3b 94}
c801d85f 95
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96wxButton::~wxButton()
97{
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98}
99
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100bool wxButton::Create(wxWindow *parent,
101 wxWindowID id,
102 const wxString &label,
103 const wxPoint& pos,
104 const wxSize& size,
105 long style,
106 const wxValidator& validator,
107 const wxString& name)
c801d85f 108{
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109 if (!PreCreation( parent, pos, size ) ||
110 !CreateBase( parent, id, pos, size, style, validator, name ))
111 {
223d09f6 112 wxFAIL_MSG( wxT("wxButton creation failed") );
93763ad5 113 return false;
4dcaf11a 114 }
c801d85f 115
5f7bcb48 116 m_widget = gtk_button_new_with_mnemonic("");
354aa1e3 117
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118 float x_alignment = 0.5;
119 if (HasFlag(wxBU_LEFT))
120 x_alignment = 0.0;
121 else if (HasFlag(wxBU_RIGHT))
122 x_alignment = 1.0;
123
124 float y_alignment = 0.5;
125 if (HasFlag(wxBU_TOP))
126 y_alignment = 0.0;
127 else if (HasFlag(wxBU_BOTTOM))
128 y_alignment = 1.0;
129
593ac8df 130 gtk_button_set_alignment(GTK_BUTTON(m_widget), x_alignment, y_alignment);
a696db45 131
5f7bcb48 132 SetLabel(label);
354aa1e3 133
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134 if (style & wxNO_BORDER)
135 gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
de1c750f 136
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137 g_signal_connect_after (m_widget, "clicked",
138 G_CALLBACK (gtk_button_clicked_callback),
139 this);
c801d85f 140
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141 g_signal_connect_after (m_widget, "style_set",
142 G_CALLBACK (gtk_button_style_set_callback),
143 this);
b2ff89d6 144
f03fc89f 145 m_parent->DoAddChild( this );
9e691f46 146
abdeb9e7 147 PostCreation(size);
db434467 148
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149 return true;
150}
b2ff89d6 151
32c77a71 152
94aff5ff 153wxWindow *wxButton::SetDefault()
c801d85f 154{
94aff5ff 155 wxWindow *oldDefault = wxButtonBase::SetDefault();
b2ff89d6 156
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157 GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
158 gtk_widget_grab_default( m_widget );
b2ff89d6 159
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160 // resize for default border
161 gtk_button_style_set_callback( m_widget, NULL, this );
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162
163 return oldDefault;
6de97a3b 164}
c801d85f 165
ebea0891 166/* static */
4fa87bd9 167wxSize wxButtonBase::GetDefaultSize()
8dbf4589 168{
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169 static wxSize size = wxDefaultSize;
170 if (size == wxDefaultSize)
171 {
172 // NB: Default size of buttons should be same as size of stock
173 // buttons as used in most GTK+ apps. Unfortunately it's a little
174 // tricky to obtain this size: stock button's size may be smaller
175 // than size of button in GtkButtonBox and vice versa,
176 // GtkButtonBox's minimal button size may be smaller than stock
177 // button's size. We have to retrieve both values and combine them.
178
179 GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
180 GtkWidget *box = gtk_hbutton_box_new();
181 GtkWidget *btn = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
182 gtk_container_add(GTK_CONTAINER(box), btn);
183 gtk_container_add(GTK_CONTAINER(wnd), box);
184 GtkRequisition req;
185 gtk_widget_size_request(btn, &req);
186
187 gint minwidth, minheight;
188 gtk_widget_style_get(box,
189 "child-min-width", &minwidth,
190 "child-min-height", &minheight,
191 NULL);
192
193 size.x = wxMax(minwidth, req.width);
194 size.y = wxMax(minheight, req.height);
b2ff89d6 195
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196 gtk_widget_destroy(wnd);
197 }
198 return size;
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199}
200
5f7bcb48 201void wxButton::SetLabel( const wxString &lbl )
c801d85f 202{
223d09f6 203 wxCHECK_RET( m_widget != NULL, wxT("invalid button") );
9e691f46 204
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205 wxString label(lbl);
206
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207 if (label.empty() && wxIsStockID(m_windowId))
208 label = wxGetStockLabel(m_windowId);
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209
210 wxControl::SetLabel(label);
9e691f46 211
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212 const wxString labelGTK = GTKConvertMnemonics(label);
213
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214 if (wxIsStockID(m_windowId) && wxIsStockLabel(m_windowId, label))
215 {
216 const char *stock = wxGetStockGtkID(m_windowId);
217 if (stock)
218 {
219 gtk_button_set_label(GTK_BUTTON(m_widget), stock);
220 gtk_button_set_use_stock(GTK_BUTTON(m_widget), TRUE);
b04683b1 221 return;
5f7bcb48 222 }
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223 }
224
b2ff89d6 225 gtk_button_set_label(GTK_BUTTON(m_widget), wxGTK_CONV(labelGTK));
5f7bcb48 226 gtk_button_set_use_stock(GTK_BUTTON(m_widget), FALSE);
b2ff89d6 227
19ac2f44 228 ApplyWidgetStyle( false );
6de97a3b 229}
c801d85f 230
f03fc89f 231bool wxButton::Enable( bool enable )
a9c96bcc 232{
f03fc89f 233 if ( !wxControl::Enable( enable ) )
93763ad5 234 return false;
9e691f46 235
afa7bd1e 236 gtk_widget_set_sensitive(GTK_BIN(m_widget)->child, enable);
f03fc89f 237
93763ad5 238 return true;
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239}
240
ef5c70f9 241GdkWindow *wxButton::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
2b5f62a0 242{
2b5f62a0 243 return GTK_BUTTON(m_widget)->event_window;
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244}
245
f40fdaa3 246void wxButton::DoApplyWidgetStyle(GtkRcStyle *style)
868a2826 247{
f40fdaa3 248 gtk_widget_modify_style(m_widget, style);
afa7bd1e 249 gtk_widget_modify_style(GTK_BIN(m_widget)->child, style);
a81258be 250}
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251
252wxSize wxButton::DoGetBestSize() const
253{
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254 // the default button in wxGTK is bigger than the other ones because of an
255 // extra border around it, but we don't want to take it into account in
256 // our size calculations (otherwsie the result is visually ugly), so
257 // always return the size of non default button from here
258 const bool isDefault = GTK_WIDGET_HAS_DEFAULT(m_widget);
259 if ( isDefault )
260 {
261 // temporarily unset default flag
262 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_DEFAULT );
263 }
264
db434467 265 wxSize ret( wxControl::DoGetBestSize() );
9e691f46 266
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267 if ( isDefault )
268 {
269 // set it back again
270 GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
271 }
272
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273 if (!HasFlag(wxBU_EXACTFIT))
274 {
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275 wxSize defaultSize = GetDefaultSize();
276 if (ret.x < defaultSize.x) ret.x = defaultSize.x;
277 if (ret.y < defaultSize.y) ret.y = defaultSize.y;
8ab696e0 278 }
9e691f46 279
9f884528 280 CacheBestSize(ret);
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281 return ret;
282}
283
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284// static
285wxVisualAttributes
286wxButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
287{
288 return GetDefaultAttributesFromGTKWidget(gtk_button_new);
289}
290
1e6feb95 291#endif // wxUSE_BUTTON