src/gtk/clrpicker.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/clrpicker.cpp
   3 // Purpose:     implementation of wxColourButton
   4 // Author:      Francesco Montorsi
   5 // Modified By:
   6 // Created:     15/04/2006
   7 // Id:          $Id$
   8 // Copyright:   (c) Francesco Montorsi
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12
  13 // ----------------------------------------------------------------------------
  14 // headers
  15 // ----------------------------------------------------------------------------
  16
  17 // For compilers that support precompilation, includes "wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #include "wx/gtk/private.h"
  21 #include "wx/clrpicker.h"
  22
  23 #include <gdk/gdk.h>
  24 #include <gtk/gtk.h>
  25
  26
  27
  28 // ============================================================================
  29 // implementation
  30 // ============================================================================
  31
  32 #if wxUSE_COLOURPICKERCTRL && defined(__WXGTK24__)
  33
  34 //-----------------------------------------------------------------------------
  35 // "color-set"
  36 //-----------------------------------------------------------------------------
  37
  38 extern "C" {
  39 static void gtk_clrbutton_setcolor_callback(GtkColorButton *widget,
  40                                             wxColourButton *p)
  41 {
  42     // update the m_colour member of the wxColourButton
  43     wxASSERT(p);
  44     gtk_color_button_get_color(widget, p->GetGdkColor());
  45
  46     // fire the colour-changed event
  47     wxColourPickerEvent event(p, p->GetId(), p->GetColour());
  48     p->GetEventHandler()->ProcessEvent(event);
  49 }
  50 }
  51
  52 //-----------------------------------------------------------------------------
  53 // wxColourButton
  54 //-----------------------------------------------------------------------------
  55
  56 IMPLEMENT_DYNAMIC_CLASS(wxColourButton, wxGenericColourButton)
  57
  58 bool wxColourButton::Create( wxWindow *parent, wxWindowID id,
  59                         const wxColour &col,
  60                         const wxPoint &pos, const wxSize &size,
  61                         long style, const wxValidator& validator,
  62                         const wxString &name )
  63 {
  64     if (!gtk_check_version(2,4,0))
  65     {
  66         m_needParent = true;
  67
  68         if (!PreCreation( parent, pos, size ) ||
  69             !wxControl::CreateBase(parent, id, pos, size, style, validator, name))
  70         {
  71             wxFAIL_MSG( wxT("wxColourButton creation failed") );
  72             return false;
  73         }
  74
  75         m_colour = col;
  76         m_widget = gtk_color_button_new_with_color( m_colour.GetColor() );
  77         gtk_widget_show( GTK_WIDGET(m_widget) );
  78
  79         // GtkColourButton signals
  80         g_signal_connect(m_widget, "color-set",
  81                         G_CALLBACK(gtk_clrbutton_setcolor_callback), this);
  82
  83
  84         m_parent->DoAddChild( this );
  85
  86         PostCreation(size);
  87         SetBestSize(size);
  88     }
  89     else
  90         return wxGenericColourButton::Create(parent, id, col, pos, size,
  91                                              style, validator, name);
  92     return true;
  93 }
  94
  95 wxColourButton::~wxColourButton()
  96 {
  97 }
  98
  99 void wxColourButton::UpdateColour()
 100 {
 101     if (!gtk_check_version(2,4,0))
 102         gtk_color_button_set_color(GTK_COLOR_BUTTON(m_widget), m_colour.GetColor());
 103     else
 104         wxGenericColourButton::UpdateColour();
 105 }
 106
 107 #endif      // wxUSE_COLOURPICKERCTRL && defined(__WXGTK24__)