src/gtk/colordlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/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 #include "wx/testing.h"
  23
  24 #ifndef WX_PRECOMP
  25     #include "wx/intl.h"
  26 #endif
  27
  28 #include <gtk/gtk.h>
  29 #include "wx/gtk/private.h"
  30 #include "wx/gtk/private/gtk2-compat.h"
  31
  32 #if wxUSE_LIBHILDON
  33     #include <hildon-widgets/hildon-color-selector.h>
  34 #endif // wxUSE_LIBHILDON
  35
  36 #if wxUSE_LIBHILDON2
  37 extern "C" {
  38     #include <hildon/hildon.h>
  39 }
  40 #endif // wxUSE_LIBHILDON2
  41
  42 IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
  43
  44 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
  45 {
  46     Create(parent, data);
  47 }
  48
  49 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
  50 {
  51     if (data)
  52         m_data = *data;
  53
  54     m_parent = GetParentForModalDialog(parent, 0);
  55     GtkWindow * const parentGTK = m_parent ? GTK_WINDOW(m_parent->m_widget)
  56                                            : NULL;
  57
  58 #if wxUSE_LIBHILDON
  59     m_widget = hildon_color_selector_new(parentGTK);
  60 #elif wxUSE_LIBHILDON2 // !wxUSE_LIBHILDON
  61     m_widget = hildon_color_chooser_dialog_new();
  62 #else // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
  63     wxString title(_("Choose colour"));
  64     m_widget = gtk_color_selection_dialog_new(wxGTK_CONV(title));
  65 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
  66
  67     g_object_ref(m_widget);
  68
  69     if ( parentGTK )
  70     {
  71         gtk_window_set_transient_for(GTK_WINDOW(m_widget), parentGTK);
  72     }
  73
  74 #if !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
  75     GtkColorSelection* sel = GTK_COLOR_SELECTION(
  76         gtk_color_selection_dialog_get_color_selection(
  77         GTK_COLOR_SELECTION_DIALOG(m_widget)));
  78     gtk_color_selection_set_has_palette(sel, true);
  79 #endif // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
  80
  81     return true;
  82 }
  83
  84 int wxColourDialog::ShowModal()
  85 {
  86     WX_TESTING_SHOW_MODAL_HOOK();
  87
  88     ColourDataToDialog();
  89
  90     gint result = gtk_dialog_run(GTK_DIALOG(m_widget));
  91     gtk_widget_hide(m_widget);
  92
  93     switch (result)
  94     {
  95         default:
  96             wxFAIL_MSG(wxT("unexpected GtkColorSelectionDialog return code"));
  97             // fall through
  98
  99         case GTK_RESPONSE_CANCEL:
 100         case GTK_RESPONSE_DELETE_EVENT:
 101         case GTK_RESPONSE_CLOSE:
 102             return wxID_CANCEL;
 103
 104         case GTK_RESPONSE_OK:
 105             DialogToColourData();
 106             return wxID_OK;
 107     }
 108 }
 109
 110 void wxColourDialog::ColourDataToDialog()
 111 {
 112 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 113     const GdkColor * const
 114         col = m_data.GetColour().IsOk() ? m_data.GetColour().GetColor()
 115                                       : NULL;
 116 #endif
 117 #if wxUSE_LIBHILDON
 118     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 119     hildon_color_selector_set_color(sel, const_cast<GdkColor *>(col));
 120 #elif wxUSE_LIBHILDON2
 121     GdkColor clr;
 122     if (col)
 123         clr = *col;
 124     else {
 125         clr.pixel = 0;
 126         clr.red = 32768;
 127         clr.green = 32768;
 128         clr.blue = 32768;
 129     }
 130
 131     hildon_color_chooser_dialog_set_color((HildonColorChooserDialog *)m_widget, &clr);
 132 #else // !wxUSE_LIBHILDON2/!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 133     GtkColorSelection* sel = GTK_COLOR_SELECTION(
 134         gtk_color_selection_dialog_get_color_selection(
 135         GTK_COLOR_SELECTION_DIALOG(m_widget)));
 136
 137     const wxColour& color = m_data.GetColour();
 138     if (color.IsOk())
 139     {
 140 #ifdef __WXGTK3__
 141         gtk_color_selection_set_current_rgba(sel, color);
 142 #else
 143         gtk_color_selection_set_current_color(sel, color.GetColor());
 144 #endif
 145     }
 146
 147     // setup the palette:
 148
 149     GdkColor colors[wxColourData::NUM_CUSTOM];
 150     gint n_colors = 0;
 151     for (unsigned i = 0; i < WXSIZEOF(colors); i++)
 152     {
 153         wxColour c = m_data.GetCustomColour(i);
 154         if (c.IsOk())
 155         {
 156             colors[n_colors] = *c.GetColor();
 157             n_colors++;
 158         }
 159     }
 160
 161     wxGtkString pal(gtk_color_selection_palette_to_string(colors, n_colors));
 162
 163     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 164     g_object_set(settings, "gtk-color-palette", pal.c_str(), NULL);
 165 #endif // wxUSE_LIBHILDON / wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 166 }
 167
 168 void wxColourDialog::DialogToColourData()
 169 {
 170 #if wxUSE_LIBHILDON
 171     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 172     const GdkColor * const clr = hildon_color_selector_get_color(sel);
 173     if ( clr )
 174         m_data.SetColour(*clr);
 175 #elif wxUSE_LIBHILDON2 // !wxUSE_LIBHILDON
 176     const GdkColor * const
 177     col = m_data.GetColour().IsOk() ? m_data.GetColour().GetColor() : NULL;
 178
 179     GdkColor clr;
 180     if (col)
 181         clr = *col;
 182     else {
 183         clr.pixel = 0;
 184         clr.red = 32768;
 185         clr.green = 32768;
 186         clr.blue = 32768;
 187     }
 188     GdkColor new_color = clr;
 189     hildon_color_chooser_dialog_get_color((HildonColorChooserDialog *)m_widget, &new_color);
 190
 191     m_data.SetColour(new_color);
 192 #else // !wxUSE_LIBHILDON2
 193
 194     GtkColorSelection* sel = GTK_COLOR_SELECTION(
 195         gtk_color_selection_dialog_get_color_selection(
 196         GTK_COLOR_SELECTION_DIALOG(m_widget)));
 197
 198 #ifdef __WXGTK3__
 199     GdkRGBA clr;
 200     gtk_color_selection_get_current_rgba(sel, &clr);
 201 #else
 202     GdkColor clr;
 203     gtk_color_selection_get_current_color(sel, &clr);
 204 #endif
 205     m_data.SetColour(clr);
 206
 207     // Extract custom palette:
 208
 209     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 210     gchar *pal;
 211     g_object_get(settings, "gtk-color-palette", &pal, NULL);
 212
 213     GdkColor *colors;
 214     gint n_colors;
 215     if (gtk_color_selection_palette_from_string(pal, &colors, &n_colors))
 216     {
 217         for (int i = 0; i < n_colors && i < wxColourData::NUM_CUSTOM; i++)
 218         {
 219             m_data.SetCustomColour(i, wxColour(colors[i]));
 220         }
 221         g_free(colors);
 222     }
 223
 224     g_free(pal);
 225 #endif // wxUSE_LIBHILDON / wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 226 }
 227
 228 #endif // wxUSE_COLOURDLG
 229