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     m_acceptsFocus = TRUE;
 106
 107     wxSize newSize = size;
 108
 109     PreCreation( parent, id, pos, newSize, style, name );
 110
 111     SetValidator( validator );
 112
 113     m_bitmap   = bitmap;
 114     m_disabled = bitmap;
 115     m_focus    = bitmap;
 116     m_selected = bitmap;
 117
 118     m_label = "";
 119
 120     m_widget = gtk_button_new();
 121
 122     if (m_bitmap.Ok())
 123     {
 124         GdkBitmap *mask = (GdkBitmap *) NULL;
 125         if (m_bitmap.GetMask()) mask = m_bitmap.GetMask()->GetBitmap();
 126         GtkWidget *pixmap = gtk_pixmap_new( m_bitmap.GetPixmap(), mask );
 127
 128         gtk_widget_show( pixmap );
 129         gtk_container_add( GTK_CONTAINER(m_widget), pixmap );
 130     }
 131
 132     if (newSize.x == -1) newSize.x = m_bitmap.GetHeight()+10;
 133     if (newSize.y == -1) newSize.y = m_bitmap.GetWidth()+10;
 134     SetSize( newSize.x, newSize.y );
 135
 136     gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
 137       GTK_SIGNAL_FUNC(gtk_bmpbutton_clicked_callback), (gpointer*)this );
 138
 139     gtk_signal_connect( GTK_OBJECT(m_widget), "enter",
 140       GTK_SIGNAL_FUNC(gtk_bmpbutton_enter_callback), (gpointer*)this );
 141     gtk_signal_connect( GTK_OBJECT(m_widget), "leave",
 142       GTK_SIGNAL_FUNC(gtk_bmpbutton_leave_callback), (gpointer*)this );
 143     gtk_signal_connect( GTK_OBJECT(m_widget), "pressed",
 144       GTK_SIGNAL_FUNC(gtk_bmpbutton_press_callback), (gpointer*)this );
 145     gtk_signal_connect( GTK_OBJECT(m_widget), "released",
 146       GTK_SIGNAL_FUNC(gtk_bmpbutton_release_callback), (gpointer*)this );
 147
 148     m_parent->AddChild( this );
 149
 150     (m_parent->m_insertCallback)( m_parent, this );
 151
 152     PostCreation();
 153
 154     SetBackgroundColour( parent->GetBackgroundColour() );
 155
 156     Show( TRUE );
 157
 158     return TRUE;
 159 }
 160
 161 void wxBitmapButton::SetDefault()
 162 {
 163 /*
 164     GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
 165     gtk_widget_grab_default( m_widget );
 166 */
 167 }
 168
 169 void wxBitmapButton::SetLabel( const wxString &label )
 170 {
 171     wxCHECK_RET( m_widget != NULL, "invalid button" );
 172
 173     wxControl::SetLabel( label );
 174 }
 175
 176 wxString wxBitmapButton::GetLabel() const
 177 {
 178     wxCHECK_MSG( m_widget != NULL, "", "invalid button" );
 179
 180     return wxControl::GetLabel();
 181 }
 182
 183 void wxBitmapButton::ApplyWidgetStyle()
 184 {
 185 }
 186
 187 void wxBitmapButton::SetBitmap()
 188 {
 189     wxCHECK_RET( m_widget != NULL, "invalid button" );
 190
 191     wxBitmap the_one;
 192
 193     if ( ! m_isEnabled )
 194         the_one = m_disabled;
 195     else
 196     {
 197         if ( m_isSelected )
 198         {
 199             the_one = m_selected;
 200         }
 201         else
 202         {
 203             if ( m_hasFocus )
 204                 the_one = m_focus;
 205             else
 206                 the_one = m_bitmap;
 207         }
 208     }
 209
 210     if ( ! the_one.Ok() ) the_one = m_bitmap;
 211     if ( ! the_one.Ok() ) return;
 212
 213     GtkButton *bin = GTK_BUTTON( m_widget );
 214     GtkPixmap *g_pixmap = GTK_PIXMAP( bin->child );
 215
 216     GdkBitmap *mask = (GdkBitmap *) NULL;
 217     if (the_one.GetMask()) mask = the_one.GetMask()->GetBitmap();
 218
 219     gtk_pixmap_set( g_pixmap, the_one.GetPixmap(), mask );
 220 }
 221
 222 void wxBitmapButton::SetBitmapDisabled( const wxBitmap& bitmap )
 223 {
 224   wxCHECK_RET( m_widget != NULL, "invalid button" );
 225
 226   if ( ! m_disabled.Ok() ) return;
 227   m_disabled = bitmap;
 228
 229   SetBitmap();
 230 }
 231
 232 void wxBitmapButton::SetBitmapFocus( const wxBitmap& bitmap )
 233 {
 234     wxCHECK_RET( m_widget != NULL, "invalid button" );
 235
 236     if ( ! m_focus.Ok() ) return;
 237     m_focus = bitmap;
 238
 239     SetBitmap();
 240 }
 241
 242 void wxBitmapButton::SetBitmapLabel( const wxBitmap& bitmap )
 243 {
 244     wxCHECK_RET( m_widget != NULL, "invalid button" );
 245
 246     if (!m_bitmap.Ok()) return;
 247     m_bitmap = bitmap;
 248
 249     SetBitmap();
 250 }
 251
 252 void wxBitmapButton::SetBitmapSelected( const wxBitmap& bitmap )
 253 {
 254     wxCHECK_RET( m_widget != NULL, "invalid button" );
 255
 256     if ( ! m_selected.Ok() ) return;
 257     m_selected = bitmap;
 258
 259     SetBitmap();
 260 }
 261
 262 void wxBitmapButton::Enable( const bool enable )
 263 {
 264     wxWindow::Enable(enable);
 265
 266     SetBitmap();
 267 }
 268
 269 void wxBitmapButton::HasFocus()
 270 {
 271     m_hasFocus = TRUE;
 272     SetBitmap();
 273 }
 274
 275 void wxBitmapButton::NotFocus()
 276 {
 277     m_hasFocus = FALSE;
 278     SetBitmap();
 279 }
 280
 281 void wxBitmapButton::StartSelect()
 282 {
 283     m_isSelected = TRUE;
 284     SetBitmap();
 285 }
 286
 287 void wxBitmapButton::EndSelect()
 288 {
 289     m_isSelected = FALSE;
 290     SetBitmap();
 291 }