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/modalhook.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 #include "wx/gtk/private/dialogcount.h"
  32
  33 #if wxUSE_LIBHILDON
  34     #include <hildon-widgets/hildon-color-selector.h>
  35 #endif // wxUSE_LIBHILDON
  36
  37 #if wxUSE_LIBHILDON2
  38 extern "C" {
  39     #include <hildon/hildon.h>
  40 }
  41 #endif // wxUSE_LIBHILDON2
  42
  43 IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
  44
  45 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
  46 {
  47     Create(parent, data);
  48 }
  49
  50 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
  51 {
  52     if (data)
  53         m_data = *data;
  54
  55     m_parent = GetParentForModalDialog(parent, 0);
  56     GtkWindow * const parentGTK = m_parent ? GTK_WINDOW(m_parent->m_widget)
  57                                            : NULL;
  58
  59 #if wxUSE_LIBHILDON
  60     m_widget = hildon_color_selector_new(parentGTK);
  61 #elif wxUSE_LIBHILDON2 // !wxUSE_LIBHILDON
  62     m_widget = hildon_color_chooser_dialog_new();
  63 #else // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
  64     wxString title(_("Choose colour"));
  65     m_widget = gtk_color_selection_dialog_new(wxGTK_CONV(title));
  66 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
  67
  68     g_object_ref(m_widget);
  69
  70     if ( parentGTK )
  71     {
  72         gtk_window_set_transient_for(GTK_WINDOW(m_widget), parentGTK);
  73     }
  74
  75 #if !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
  76     GtkColorSelection* sel = GTK_COLOR_SELECTION(
  77         gtk_color_selection_dialog_get_color_selection(
  78         GTK_COLOR_SELECTION_DIALOG(m_widget)));
  79     gtk_color_selection_set_has_palette(sel, true);
  80 #endif // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
  81
  82     return true;
  83 }
  84
  85 int wxColourDialog::ShowModal()
  86 {
  87     WX_HOOK_MODAL_DIALOG();
  88
  89     ColourDataToDialog();
  90
  91     wxOpenModalDialogLocker modalLocker;
  92
  93     gint result = gtk_dialog_run(GTK_DIALOG(m_widget));
  94     gtk_widget_hide(m_widget);
  95
  96     switch (result)
  97     {
  98         default:
  99             wxFAIL_MSG(wxT("unexpected GtkColorSelectionDialog return code"));
 100             // fall through
 101
 102         case GTK_RESPONSE_CANCEL:
 103         case GTK_RESPONSE_DELETE_EVENT:
 104         case GTK_RESPONSE_CLOSE:
 105             return wxID_CANCEL;
 106
 107         case GTK_RESPONSE_OK:
 108             DialogToColourData();
 109             return wxID_OK;
 110     }
 111 }
 112
 113 void wxColourDialog::ColourDataToDialog()
 114 {
 115 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 116     const GdkColor * const
 117         col = m_data.GetColour().IsOk() ? m_data.GetColour().GetColor()
 118                                       : NULL;
 119 #endif
 120 #if wxUSE_LIBHILDON
 121     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 122     hildon_color_selector_set_color(sel, const_cast<GdkColor *>(col));
 123 #elif wxUSE_LIBHILDON2
 124     GdkColor clr;
 125     if (col)
 126         clr = *col;
 127     else {
 128         clr.pixel = 0;
 129         clr.red = 32768;
 130         clr.green = 32768;
 131         clr.blue = 32768;
 132     }
 133
 134     hildon_color_chooser_dialog_set_color((HildonColorChooserDialog *)m_widget, &clr);
 135 #else // !wxUSE_LIBHILDON2/!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 136     GtkColorSelection* sel = GTK_COLOR_SELECTION(
 137         gtk_color_selection_dialog_get_color_selection(
 138         GTK_COLOR_SELECTION_DIALOG(m_widget)));
 139
 140     const wxColour& color = m_data.GetColour();
 141     if (color.IsOk())
 142     {
 143 #ifdef __WXGTK3__
 144         gtk_color_selection_set_current_rgba(sel, color);
 145 #else
 146         gtk_color_selection_set_current_color(sel, color.GetColor());
 147 #endif
 148     }
 149
 150     // setup the palette:
 151
 152     GdkColor colors[wxColourData::NUM_CUSTOM];
 153     gint n_colors = 0;
 154     for (unsigned i = 0; i < WXSIZEOF(colors); i++)
 155     {
 156         wxColour c = m_data.GetCustomColour(i);
 157         if (c.IsOk())
 158         {
 159             colors[n_colors] = *c.GetColor();
 160             n_colors++;
 161         }
 162     }
 163
 164     wxGtkString pal(gtk_color_selection_palette_to_string(colors, n_colors));
 165
 166     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 167     g_object_set(settings, "gtk-color-palette", pal.c_str(), NULL);
 168 #endif // wxUSE_LIBHILDON / wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 169 }
 170
 171 void wxColourDialog::DialogToColourData()
 172 {
 173 #if wxUSE_LIBHILDON
 174     HildonColorSelector * const sel = HILDON_COLOR_SELECTOR(m_widget);
 175     const GdkColor * const clr = hildon_color_selector_get_color(sel);
 176     if ( clr )
 177         m_data.SetColour(*clr);
 178 #elif wxUSE_LIBHILDON2 // !wxUSE_LIBHILDON
 179     const GdkColor * const
 180     col = m_data.GetColour().IsOk() ? m_data.GetColour().GetColor() : NULL;
 181
 182     GdkColor clr;
 183     if (col)
 184         clr = *col;
 185     else {
 186         clr.pixel = 0;
 187         clr.red = 32768;
 188         clr.green = 32768;
 189         clr.blue = 32768;
 190     }
 191     GdkColor new_color = clr;
 192     hildon_color_chooser_dialog_get_color((HildonColorChooserDialog *)m_widget, &new_color);
 193
 194     m_data.SetColour(new_color);
 195 #else // !wxUSE_LIBHILDON2
 196
 197     GtkColorSelection* sel = GTK_COLOR_SELECTION(
 198         gtk_color_selection_dialog_get_color_selection(
 199         GTK_COLOR_SELECTION_DIALOG(m_widget)));
 200
 201 #ifdef __WXGTK3__
 202     GdkRGBA clr;
 203     gtk_color_selection_get_current_rgba(sel, &clr);
 204 #else
 205     GdkColor clr;
 206     gtk_color_selection_get_current_color(sel, &clr);
 207 #endif
 208     m_data.SetColour(clr);
 209
 210     // Extract custom palette:
 211
 212     GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
 213     gchar *pal;
 214     g_object_get(settings, "gtk-color-palette", &pal, NULL);
 215
 216     GdkColor *colors;
 217     gint n_colors;
 218     if (gtk_color_selection_palette_from_string(pal, &colors, &n_colors))
 219     {
 220         for (int i = 0; i < n_colors && i < wxColourData::NUM_CUSTOM; i++)
 221         {
 222             m_data.SetCustomColour(i, wxColour(colors[i]));
 223         }
 224         g_free(colors);
 225     }
 226
 227     g_free(pal);
 228 #endif // wxUSE_LIBHILDON / wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 229 }
 230
 231 #endif // wxUSE_COLOURDLG
 232