src/ui/widget/color-picker.cpp

   1 /** \file
   2  * \brief  Color picker button & window
   3  *
   4  * Authors:
   5  *   Lauris Kaplinski <lauris@kaplinski.com>
   6  *   bulia byak <buliabyak@users.sf.net>
   7  *   Ralf Stephan <ralf@ark.in-berlin.de>
   8  *   Abhishek Sharma
   9  *
  10  * Copyright (C) Authors 2000-2005
  11  *
  12  * Released under GNU GPL, read the file 'COPYING' for more information
  13  */
  14
  15 #include "inkscape.h"
  16 #include "desktop-handles.h"
  17 #include "document.h"
  18 #include "dialogs/dialog-events.h"
  19
  20 #include "widgets/sp-color-notebook.h"
  21
  22 #include "color-picker.h"
  23
  24 static bool _in_use = false;
  25
  26 namespace Inkscape {
  27 namespace UI {
  28 namespace Widget {
  29
  30 void sp_color_picker_color_mod(SPColorSelector *csel, GObject *cp);
  31
  32 ColorPicker::ColorPicker (const Glib::ustring& title, const Glib::ustring& tip,
  33                           guint32 rgba, bool undo)
  34           : _preview(rgba), _title(title), _rgba(rgba), _undo(undo),
  35            _colorSelectorDialog("dialogs.colorpickerwindow")
  36 {
  37     setupDialog(title);
  38     set_relief (Gtk::RELIEF_NONE);
  39     _preview.show();
  40     add (_preview);
  41     _tt.set_tip (*this, tip);
  42 }
  43
  44 ColorPicker::~ColorPicker()
  45 {
  46     closeWindow();
  47     _colorSelector = NULL;
  48 }
  49
  50 void
  51 ColorPicker::setupDialog(const Glib::ustring &title)
  52 {
  53     GtkWidget *dlg = GTK_WIDGET(_colorSelectorDialog.gobj());
  54     sp_transientize(dlg);
  55
  56     _colorSelectorDialog.hide();
  57     _colorSelectorDialog.set_title (title);
  58     _colorSelectorDialog.set_border_width (4);
  59     _colorSelector = (SPColorSelector*)sp_color_selector_new(SP_TYPE_COLOR_NOTEBOOK);
  60     _colorSelectorDialog.get_vbox()->pack_start (
  61               *Glib::wrap(&_colorSelector->vbox), true, true, 0);
  62
  63     g_signal_connect(G_OBJECT(_colorSelector), "dragged",
  64                          G_CALLBACK(sp_color_picker_color_mod), (void *)this);
  65     g_signal_connect(G_OBJECT(_colorSelector), "released",
  66                          G_CALLBACK(sp_color_picker_color_mod), (void *)this);
  67     g_signal_connect(G_OBJECT(_colorSelector), "changed",
  68                          G_CALLBACK(sp_color_picker_color_mod), (void *)this);
  69
  70     gtk_widget_show(GTK_WIDGET(_colorSelector));
  71
  72 }
  73
  74
  75
  76
  77 void
  78 ColorPicker::setRgba32 (guint32 rgba)
  79 {
  80     if (_in_use) return;
  81
  82     _preview.setRgba32 (rgba);
  83     _rgba = rgba;
  84     if (_colorSelector)
  85     {
  86         SPColor color;
  87         color.set( rgba );
  88         _colorSelector->base->setColorAlpha(color, SP_RGBA32_A_F(rgba));
  89     }
  90 }
  91
  92 void
  93 ColorPicker::closeWindow()
  94 {
  95     _colorSelectorDialog.hide();
  96 }
  97
  98 void
  99 ColorPicker::on_clicked()
 100 {
 101     if (_colorSelector)
 102     {
 103         SPColor color;
 104         color.set( _rgba );
 105         _colorSelector->base->setColorAlpha(color, SP_RGBA32_A_F(_rgba));
 106     }
 107     _colorSelectorDialog.show();
 108 }
 109
 110 void
 111 ColorPicker::on_changed (guint32)
 112 {
 113 }
 114
 115 void
 116 sp_color_picker_color_mod(SPColorSelector *csel, GObject *cp)
 117 {
 118     if (_in_use) {
 119         return;
 120     } else {
 121         _in_use = true;
 122     }
 123
 124     SPColor color;
 125     float alpha = 0;
 126     csel->base->getColorAlpha(color, alpha);
 127     guint32 rgba = color.toRGBA32( alpha );
 128
 129     ColorPicker *ptr = (ColorPicker *)(cp);
 130
 131     (ptr->_preview).setRgba32 (rgba);
 132
 133     if (ptr->_undo && SP_ACTIVE_DESKTOP)
 134         DocumentUndo::done(sp_desktop_document(SP_ACTIVE_DESKTOP), SP_VERB_NONE,
 135                            /* TODO: annotate */ "color-picker.cpp:130");
 136
 137     ptr->on_changed (rgba);
 138     _in_use = false;
 139     ptr->_changed_signal.emit (rgba);
 140     ptr->_rgba = rgba;
 141 }
 142
 143
 144 }//namespace Widget
 145 }//namespace UI
 146 }//namespace Inkscape
 147
 148
 149 /*
 150   Local Variables:
 151   mode:c++
 152   c-file-style:"stroustrup"
 153   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 154   indent-tabs-mode:nil
 155   fill-column:99
 156   End:
 157 */
 158 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :