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