added native wxColourDialog for GTK2

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27627 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2004-06-04 16:02:14 +00:00
parent a2b99ff5a5
commit 274ad000d2
7 changed files with 468 additions and 36 deletions
--- a/src/gtk1/colordlg.cpp
+++ b/src/gtk1/colordlg.cpp
@@ -0,0 +1,147 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        gtk/colordlg.cpp
+// Purpose:     Native wxColourDialog for GTK+
+// Author:      Vaclav Slavik
+// Modified by:
+// Created:     2004/06/04
+// RCS-ID:      $Id$
+// Copyright:   (c) Vaclav Slavik, 2004
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+#pragma implementation "colordlg.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#if wxUSE_COLOURDLG && defined(__WXGTK20__)
+
+#include "wx/colordlg.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+#endif
+
+#include "wx/gtk/private.h"
+
+IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
+
+wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
+{
+    Create(parent, data);
+}
+
+bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
+{
+    if (data)
+        m_data = *data;
+
+    wxString title(_("Choose colour"));
+    m_widget = gtk_color_selection_dialog_new(wxGTK_CONV(title));
+    
+    if (parent)
+        gtk_window_set_transient_for(GTK_WINDOW(m_widget),
+                                     GTK_WINDOW(parent->m_widget));
+    
+    GtkColorSelection *sel = 
+        GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(m_widget)->colorsel);
+    gtk_color_selection_set_has_palette(sel, true);
+
+    return true;
+}
+    
+int wxColourDialog::ShowModal()
+{
+    ColourDataToDialog();
+    
+    gint result = gtk_dialog_run(GTK_DIALOG(m_widget));
+   
+    switch (result)
+    {
+        default:
+            wxFAIL_MSG(_T("unexpected GtkColorSelectionDialog return code"));
+            // fall through
+
+        case GTK_RESPONSE_CANCEL:
+        case GTK_RESPONSE_DELETE_EVENT:
+        case GTK_RESPONSE_CLOSE:
+            return wxID_CANCEL;
+     
+        case GTK_RESPONSE_OK:
+            DialogToColourData();
+            return wxID_OK;
+    };
+}
+
+void wxColourDialog::ColourDataToDialog()
+{
+    GtkColorSelection *sel = 
+        GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(m_widget)->colorsel);
+                
+    if (m_data.GetColour().Ok())
+    {
+        gtk_color_selection_set_current_color(sel,
+                                              m_data.GetColour().GetColor());
+    }
+
+    // setup the palette:
+
+    GdkColor colors[16];
+    gint n_colors = 0;
+    for (unsigned i = 0; i < 16; i++)
+    {
+        wxColour c = m_data.GetCustomColour(i);
+        if (c.Ok())
+        {
+            colors[n_colors] = *c.GetColor();
+            n_colors++;
+        }
+    }
+
+    gchar *pal = gtk_color_selection_palette_to_string(colors, n_colors);
+
+    GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
+    g_object_set(settings, "gtk-color-palette", pal, NULL);
+
+    g_free(pal);
+}
+
+void wxColourDialog::DialogToColourData()
+{
+    GtkColorSelection *sel = 
+        GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(m_widget)->colorsel);
+
+    GdkColor clr;
+    gtk_color_selection_get_current_color(sel, &clr);
+    m_data.SetColour(wxColour(clr.red >> 8, clr.green >> 8, clr.blue >> 8));
+    
+    // Extract custom palette:
+
+    GtkSettings *settings = gtk_widget_get_settings(GTK_WIDGET(sel));
+    gchar *pal;
+    g_object_get(settings, "gtk-color-palette", &pal, NULL);
+
+    GdkColor *colors;
+    gint n_colors;
+    if (gtk_color_selection_palette_from_string(pal, &colors, &n_colors))
+    {
+        for (int i = 0; i < wxMin(n_colors, 16); i++)
+        {
+            m_data.SetCustomColour(i, wxColour(colors[i].red >> 8,
+                                               colors[i].green >> 8,
+                                               colors[i].blue >> 8));
+        }
+        g_free(colors);
+    }
+    
+    g_free(pal);
+}
+
+#endif // wxUSE_COLOURDLG && defined(__WXGTK20__)
+