src/gtk/colordlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        gtk/colordlg.cpp
   3 // Purpose:     Native wxColourDialog for GTK+
   4 // Author:      Vaclav Slavik
   5 // Modified by:
   6 // Created:     2004/06/04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vaclav Slavik, 2004
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_COLOURDLG
  20
  21 #include "wx/colordlg.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/intl.h"
  25 #endif
  26
  27 #include "wx/gtk/private.h"
  28
  29 #if wxUSE_LIBHILDON
  30     #include <hildon-widgets/hildon-color-selector.h>
  31 #endif // wxUSE_LIBHILDON
  32
  33 IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
  34
  35 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
  36 {
  37     Create(parent, data);
  38 }
  39
  40 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
  41 {
  42     if (data)
  43         m_data = *data;
  44
  45     m_parent = GetParentForModalDialog(parent);
  46     GtkWindow * const parentGTK = m_parent ? GTK_WINDOW(m_parent->m_widget)
  47                                            : NULL;
  48
  49 #if wxUSE_LIBHILDON
  50     m_widget = hildon_color_selector_new(parentGTK);
  51 #else // !wxUSE_LIBHILDON
  52     wxString title(_("Choose colour"));
  53     m_widget = gtk_color_selection_dialog_new(wxGTK_CONV(title));
  54 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
  55
  56     g_object_ref(m_widget);
  57
  58     if ( parentGTK )
  59     {
  60         gtk_window_set_transient_for(GTK_WINDOW(m_widget), parentGTK);
  61     }
  62
  63     GtkColorSelection *sel =
  64         GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(m_widget)->colorsel);
  65     gtk_color_selection_set_has_palette(sel, true);
  66
  67     return true;
  68 }
  69
  70 int wxColourDialog::ShowModal()
  71 {
  72     ColourDataToDialog();
  73
  74     gint result = gtk_dialog_run(GTK_DIALOG(m_widget));
  75     gtk_widget_hide(m_widget);
  76
  77     switch (result)
  78     {
  79         default:
  80             wxFAIL_MSG(wxT("unexpected GtkColorSelectionDialog return code"));
  81             // fall through
  82
  83         case GTK_RESPONSE_CANCEL:
  84         case GTK_RESPONSE_DELETE_EVENT:
  85         case GTK_RESPONSE_CLOSE:
  86             return wxID_CANCEL;
  87
  88         case GTK_RESPONSE_OK:
  89             DialogToColourData();
  90             return wxID_OK;
  91     }
  92 }
  93
  94 void wxColourDialog::ColourDataToDialog()
  95 {
  96     const GdkColor * const
  97         col = m_data.GetColour().Ok() ? m_data.GetColour().GetColor()
  98                                       : NULL;
  99
 100 #if wxUSE_LIBHILDON
 101     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 102     hildon_color_selector_set_color(sel, const_cast<GdkColor *>(col));
 103 #else // !wxUSE_LIBHILDON
 104     GtkColorSelection *sel =
 105         GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(m_widget)->colorsel);
 106
 107     if ( col )
 108         gtk_color_selection_set_current_color(sel, col);
 109
 110     // setup the palette:
 111
 112     GdkColor colors[16];
 113     gint n_colors = 0;
 114     for (unsigned i = 0; i < 16; i++)
 115     {
 116         wxColour c = m_data.GetCustomColour(i);
 117         if (c.Ok())
 118         {
 119             colors[n_colors] = *c.GetColor();
 120             n_colors++;
 121         }
 122     }
 123
 124     wxGtkString pal(gtk_color_selection_palette_to_string(colors, n_colors));
 125
 126     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 127     g_object_set(settings, "gtk-color-palette", pal.c_str(), NULL);
 128 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
 129 }
 130
 131 void wxColourDialog::DialogToColourData()
 132 {
 133 #if wxUSE_LIBHILDON
 134     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 135     const GdkColor * const clr = hildon_color_selector_get_color(sel);
 136     if ( clr )
 137         m_data.SetColour(*clr);
 138 #else // !wxUSE_LIBHILDON
 139     GtkColorSelection *sel =
 140         GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(m_widget)->colorsel);
 141
 142     GdkColor clr;
 143     gtk_color_selection_get_current_color(sel, &clr);
 144     m_data.SetColour(clr);
 145
 146     // Extract custom palette:
 147
 148     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 149     gchar *pal;
 150     g_object_get(settings, "gtk-color-palette", &pal, NULL);
 151
 152     GdkColor *colors;
 153     gint n_colors;
 154     if (gtk_color_selection_palette_from_string(pal, &colors, &n_colors))
 155     {
 156         for (int i = 0; i < wxMin(n_colors, 16); i++)
 157         {
 158             m_data.SetCustomColour(i, wxColour(colors[i]));
 159         }
 160         g_free(colors);
 161     }
 162
 163     g_free(pal);
 164 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
 165 }
 166
 167 #endif // wxUSE_COLOURDLG
 168