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