src/gtk1/button.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        button.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "button.h"
  13 #endif
  14
  15 #include "wx/button.h"
  16
  17 //-----------------------------------------------------------------------------
  18 // classes
  19 //-----------------------------------------------------------------------------
  20
  21 class wxButton;
  22
  23 //-----------------------------------------------------------------------------
  24 // data
  25 //-----------------------------------------------------------------------------
  26
  27 extern bool   g_blockEventsOnDrag;
  28
  29 //-----------------------------------------------------------------------------
  30 // wxButton
  31 //-----------------------------------------------------------------------------
  32
  33 IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl)
  34
  35 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxButton *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
  47 wxButton::wxButton(void)
  48 {
  49 };
  50
  51 wxButton::wxButton( wxWindow *parent, wxWindowID id, const wxString &label,
  52       const wxPoint &pos, const wxSize &size,
  53       long style, const wxString &name )
  54 {
  55   Create( parent, id, label, pos, size, style, name );
  56 };
  57
  58 bool wxButton::Create(  wxWindow *parent, wxWindowID id, const wxString &label,
  59       const wxPoint &pos, const wxSize &size,
  60       long style, const wxString &name )
  61 {
  62   m_needParent = TRUE;
  63
  64   wxSize newSize = size;
  65
  66   PreCreation( parent, id, pos, newSize, style, name );
  67
  68   SetLabel(label);
  69   m_widget = gtk_button_new_with_label( m_label );
  70
  71   if (newSize.x == -1) newSize.x = 15+gdk_string_measure( m_widget->style->font, label );
  72   if (newSize.y == -1) newSize.y = 26;
  73   SetSize( newSize.x, newSize.y );
  74
  75   gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
  76     GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
  77
  78   PostCreation();
  79
  80   Show( TRUE );
  81
  82   return TRUE;
  83 };
  84
  85 void wxButton::SetDefault(void)
  86 {
  87 };
  88
  89 void wxButton::SetLabel( const wxString &label )
  90 {
  91   wxControl::SetLabel( label );
  92   GtkBin *bin = GTK_BIN( m_widget );
  93   GtkLabel *g_label = GTK_LABEL( bin->child );
  94   gtk_label_set( g_label, GetLabel() );
  95 };
  96