src/gtk/bmpbuttn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        bmpbuttn.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "bmpbuttn.h"
  12 #endif
  13
  14 #include "wx/bmpbuttn.h"
  15
  16 #include "gdk/gdk.h"
  17 #include "gtk/gtk.h"
  18
  19 //-----------------------------------------------------------------------------
  20 // classes
  21 //-----------------------------------------------------------------------------
  22
  23 class wxBitmapButton;
  24
  25 //-----------------------------------------------------------------------------
  26 // data
  27 //-----------------------------------------------------------------------------
  28
  29 extern bool   g_blockEventsOnDrag;
  30
  31 //-----------------------------------------------------------------------------
  32 // "clicked"
  33 //-----------------------------------------------------------------------------
  34
  35 static void gtk_bmpbutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
  36 {
  37     if (!button->HasVMT()) return;
  38     if (g_blockEventsOnDrag) return;
  39
  40     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
  41     event.SetEventObject(button);
  42     button->GetEventHandler()->ProcessEvent(event);
  43 }
  44
  45 //-----------------------------------------------------------------------------
  46 // "enter"
  47 //-----------------------------------------------------------------------------
  48
  49 static void gtk_bmpbutton_enter_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
  50 {
  51     if (!button->HasVMT()) return;
  52     if (g_blockEventsOnDrag) return;
  53
  54     button->HasFocus();
  55 }
  56
  57 //-----------------------------------------------------------------------------
  58 // "leave"
  59 //-----------------------------------------------------------------------------
  60
  61 static void gtk_bmpbutton_leave_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
  62 {
  63     if (!button->HasVMT()) return;
  64     if (g_blockEventsOnDrag) return;
  65
  66     button->NotFocus();
  67 }
  68
  69 //-----------------------------------------------------------------------------
  70 // "pressed"
  71 //-----------------------------------------------------------------------------
  72
  73 static void gtk_bmpbutton_press_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
  74 {
  75     if (!button->HasVMT()) return;
  76     if (g_blockEventsOnDrag) return;
  77
  78     button->StartSelect();
  79 }
  80
  81 //-----------------------------------------------------------------------------
  82 // "released"
  83 //-----------------------------------------------------------------------------
  84
  85 static void gtk_bmpbutton_release_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
  86 {
  87     if (!button->HasVMT()) return;
  88     if (g_blockEventsOnDrag) return;
  89
  90     button->EndSelect();
  91 }
  92
  93 //-----------------------------------------------------------------------------
  94 // wxBitmapButton
  95 //-----------------------------------------------------------------------------
  96
  97 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton,wxControl)
  98
  99 wxBitmapButton::wxBitmapButton()
 100 {
 101 }
 102
 103 bool wxBitmapButton::Create( wxWindow *parent, wxWindowID id, const wxBitmap &bitmap,
 104                              const wxPoint &pos, const wxSize &size,
 105                              long style, const wxValidator& validator, const wxString &name )
 106 {
 107     m_needParent = TRUE;
 108     m_acceptsFocus = TRUE;
 109
 110     wxSize newSize = size;
 111
 112     PreCreation( parent, id, pos, newSize, style, name );
 113
 114     SetValidator( validator );
 115
 116     m_bitmap   = bitmap;
 117     m_disabled = bitmap;
 118     m_focus    = bitmap;
 119     m_selected = bitmap;
 120
 121     m_label = "";
 122
 123     m_widget = gtk_button_new();
 124
 125     if (m_bitmap.Ok())
 126     {
 127         GdkBitmap *mask = (GdkBitmap *) NULL;
 128         if (m_bitmap.GetMask()) mask = m_bitmap.GetMask()->GetBitmap();
 129         GtkWidget *pixmap = gtk_pixmap_new( m_bitmap.GetPixmap(), mask );
 130
 131         gtk_widget_show( pixmap );
 132         gtk_container_add( GTK_CONTAINER(m_widget), pixmap );
 133     }
 134
 135     if (newSize.x == -1) newSize.x = m_bitmap.GetHeight()+10;
 136     if (newSize.y == -1) newSize.y = m_bitmap.GetWidth()+10;
 137     SetSize( newSize.x, newSize.y );
 138
 139     gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
 140       GTK_SIGNAL_FUNC(gtk_bmpbutton_clicked_callback), (gpointer*)this );
 141
 142     gtk_signal_connect( GTK_OBJECT(m_widget), "enter",
 143       GTK_SIGNAL_FUNC(gtk_bmpbutton_enter_callback), (gpointer*)this );
 144     gtk_signal_connect( GTK_OBJECT(m_widget), "leave",
 145       GTK_SIGNAL_FUNC(gtk_bmpbutton_leave_callback), (gpointer*)this );
 146     gtk_signal_connect( GTK_OBJECT(m_widget), "pressed",
 147       GTK_SIGNAL_FUNC(gtk_bmpbutton_press_callback), (gpointer*)this );
 148     gtk_signal_connect( GTK_OBJECT(m_widget), "released",
 149       GTK_SIGNAL_FUNC(gtk_bmpbutton_release_callback), (gpointer*)this );
 150
 151     m_parent->AddChild( this );
 152
 153     (m_parent->m_insertCallback)( m_parent, this );
 154
 155     PostCreation();
 156
 157     SetBackgroundColour( parent->GetBackgroundColour() );
 158
 159     Show( TRUE );
 160
 161     return TRUE;
 162 }
 163
 164 void wxBitmapButton::SetDefault()
 165 {
 166     GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
 167     gtk_widget_grab_default( m_widget );
 168
 169     SetSize( m_x, m_y, m_width, m_height );
 170 }
 171
 172 void wxBitmapButton::SetLabel( const wxString &label )
 173 {
 174     wxCHECK_RET( m_widget != NULL, _T("invalid button") );
 175
 176     wxControl::SetLabel( label );
 177 }
 178
 179 wxString wxBitmapButton::GetLabel() const
 180 {
 181     wxCHECK_MSG( m_widget != NULL, _T(""), _T("invalid button") );
 182
 183     return wxControl::GetLabel();
 184 }
 185
 186 void wxBitmapButton::ApplyWidgetStyle()
 187 {
 188 }
 189
 190 void wxBitmapButton::SetBitmap()
 191 {
 192     wxCHECK_RET( m_widget != NULL, _T("invalid button") );
 193
 194     wxBitmap the_one;
 195
 196     if ( ! m_isEnabled )
 197         the_one = m_disabled;
 198     else
 199     {
 200         if ( m_isSelected )
 201         {
 202             the_one = m_selected;
 203         }
 204         else
 205         {
 206             if ( m_hasFocus )
 207                 the_one = m_focus;
 208             else
 209                 the_one = m_bitmap;
 210         }
 211     }
 212
 213     if ( ! the_one.Ok() ) the_one = m_bitmap;
 214     if ( ! the_one.Ok() ) return;
 215
 216     GtkButton *bin = GTK_BUTTON( m_widget );
 217     GtkPixmap *g_pixmap = GTK_PIXMAP( bin->child );
 218
 219     GdkBitmap *mask = (GdkBitmap *) NULL;
 220     if (the_one.GetMask()) mask = the_one.GetMask()->GetBitmap();
 221
 222     gtk_pixmap_set( g_pixmap, the_one.GetPixmap(), mask );
 223 }
 224
 225 void wxBitmapButton::SetBitmapDisabled( const wxBitmap& bitmap )
 226 {
 227   wxCHECK_RET( m_widget != NULL, _T("invalid button") );
 228
 229   if ( ! m_disabled.Ok() ) return;
 230   m_disabled = bitmap;
 231
 232   SetBitmap();
 233 }
 234
 235 void wxBitmapButton::SetBitmapFocus( const wxBitmap& bitmap )
 236 {
 237     wxCHECK_RET( m_widget != NULL, _T("invalid button") );
 238
 239     if ( ! m_focus.Ok() ) return;
 240     m_focus = bitmap;
 241
 242     SetBitmap();
 243 }
 244
 245 void wxBitmapButton::SetBitmapLabel( const wxBitmap& bitmap )
 246 {
 247     wxCHECK_RET( m_widget != NULL, _T("invalid button") );
 248
 249     if (!m_bitmap.Ok()) return;
 250     m_bitmap = bitmap;
 251
 252     SetBitmap();
 253 }
 254
 255 void wxBitmapButton::SetBitmapSelected( const wxBitmap& bitmap )
 256 {
 257     wxCHECK_RET( m_widget != NULL, _T("invalid button") );
 258
 259     if ( ! m_selected.Ok() ) return;
 260     m_selected = bitmap;
 261
 262     SetBitmap();
 263 }
 264
 265 void wxBitmapButton::Enable( const bool enable )
 266 {
 267     wxWindow::Enable(enable);
 268
 269     SetBitmap();
 270 }
 271
 272 void wxBitmapButton::HasFocus()
 273 {
 274     m_hasFocus = TRUE;
 275     SetBitmap();
 276 }
 277
 278 void wxBitmapButton::NotFocus()
 279 {
 280     m_hasFocus = FALSE;
 281     SetBitmap();
 282 }
 283
 284 void wxBitmapButton::StartSelect()
 285 {
 286     m_isSelected = TRUE;
 287     SetBitmap();
 288 }
 289
 290 void wxBitmapButton::EndSelect()
 291 {
 292     m_isSelected = FALSE;
 293     SetBitmap();
 294 }