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 #if wxUSE_COLOURPICKERCTRL
  21
  22 #include "wx/clrpicker.h"
  23
  24 #include <gtk/gtk.h>
  25
  26 // ============================================================================
  27 // implementation
  28 // ============================================================================
  29
  30 //-----------------------------------------------------------------------------
  31 // "color-set"
  32 //-----------------------------------------------------------------------------
  33
  34 extern "C" {
  35 static void gtk_clrbutton_setcolor_callback(GtkColorButton *widget,
  36                                             wxColourButton *p)
  37 {
  38     // update the m_colour member of the wxColourButton
  39     wxASSERT(p);
  40 #ifdef __WXGTK3__
  41     GdkRGBA gdkColor;
  42     gtk_color_button_get_rgba(widget, &gdkColor);
  43 #else
  44     GdkColor gdkColor;
  45     gtk_color_button_get_color(widget, &gdkColor);
  46 #endif
  47     p->GTKSetColour(gdkColor);
  48
  49     // fire the colour-changed event
  50     wxColourPickerEvent event(p, p->GetId(), p->GetColour());
  51     p->HandleWindowEvent(event);
  52 }
  53 }
  54
  55 //-----------------------------------------------------------------------------
  56 // wxColourButton
  57 //-----------------------------------------------------------------------------
  58
  59 IMPLEMENT_DYNAMIC_CLASS(wxColourButton, wxButton)
  60
  61 bool wxColourButton::Create( wxWindow *parent, wxWindowID id,
  62                         const wxColour &col,
  63                         const wxPoint &pos, const wxSize &size,
  64                         long style, const wxValidator& validator,
  65                         const wxString &name )
  66 {
  67     if (!PreCreation( parent, pos, size ) ||
  68         !wxControl::CreateBase(parent, id, pos, size, style, validator, name))
  69     {
  70         wxFAIL_MSG( wxT("wxColourButton creation failed") );
  71         return false;
  72     }
  73
  74     m_colour = col;
  75 #ifdef __WXGTK3__
  76     m_widget = gtk_color_button_new_with_rgba(m_colour);
  77 #else
  78     m_widget = gtk_color_button_new_with_color( m_colour.GetColor() );
  79 #endif
  80     g_object_ref(m_widget);
  81
  82     // GtkColourButton signals
  83     g_signal_connect(m_widget, "color-set",
  84                     G_CALLBACK(gtk_clrbutton_setcolor_callback), this);
  85
  86
  87     m_parent->DoAddChild( this );
  88
  89     PostCreation(size);
  90     SetInitialSize(size);
  91
  92     return true;
  93 }
  94
  95 wxColourButton::~wxColourButton()
  96 {
  97 }
  98
  99 void wxColourButton::UpdateColour()
 100 {
 101 #ifdef __WXGTK3__
 102     gtk_color_button_set_rgba(GTK_COLOR_BUTTON(m_widget), m_colour);
 103 #else
 104     gtk_color_button_set_color(GTK_COLOR_BUTTON(m_widget), m_colour.GetColor());
 105 #endif
 106 }
 107
 108 #endif // wxUSE_COLOURPICKERCTRL