src/ui/widget/color-picker.cpp

   1 #define __COLOR_PICKER_C__
   2
   3 /** \file
   4  * \brief  Color picker button & window
   5  *
   6  * Authors:
   7  *   Lauris Kaplinski <lauris@kaplinski.com>
   8  *   bulia byak <buliabyak@users.sf.net>
   9  *   Ralf Stephan <ralf@ark.in-berlin.de>
  10  *
  11  * Copyright (C) Authors 2000-2005
  12  *
  13  * Released under GNU GPL, read the file 'COPYING' for more information
  14  */
  15
  16 #include "inkscape.h"
  17 #include "desktop-handles.h"
  18 #include "document.h"
  19
  20 #include "widgets/sp-color-notebook.h"
  21
  22 #include "color-picker.h"
  23
  24 namespace Inkscape {
  25 namespace UI {
  26 namespace Widget {
  27
  28
  29 ColorPicker::ColorPicker (const Glib::ustring& title, const Glib::ustring& tip,
  30                           guint32 rgba, bool undo)
  31           : _preview(rgba), _title(title), _rgba(rgba), _undo(undo),
  32            _colorSelectorDialog("dialogs.colorpickerwindow")
  33 {
  34     setupDialog(title);
  35     set_relief (Gtk::RELIEF_NONE);
  36     _preview.show();
  37     add (_preview);
  38     _tt.set_tip (*this, tip);
  39 }
  40
  41 ColorPicker::~ColorPicker()
  42 {
  43     closeWindow();
  44     _colorSelector = NULL;
  45 }
  46
  47 void
  48 ColorPicker::setupDialog(const Glib::ustring &title)
  49 {
  50     _colorSelectorDialog.hide();
  51     _colorSelectorDialog.set_title (title);
  52     _colorSelectorDialog.set_border_width (4);
  53     _colorSelector = (SPColorSelector*)sp_color_selector_new(SP_TYPE_COLOR_NOTEBOOK,
  54                                   SP_COLORSPACE_TYPE_UNKNOWN);
  55     _colorSelectorDialog.get_vbox()->pack_start (
  56               *Glib::wrap(&_colorSelector->vbox), true, true, 0);
  57
  58     g_signal_connect(G_OBJECT(_colorSelector), "dragged",
  59                          G_CALLBACK(sp_color_picker_color_mod), (void *)this);
  60     g_signal_connect(G_OBJECT(_colorSelector), "changed",
  61                          G_CALLBACK(sp_color_picker_color_mod), (void *)this);
  62
  63     gtk_widget_show(GTK_WIDGET(_colorSelector));
  64
  65 }
  66
  67
  68
  69
  70 void
  71 ColorPicker::setRgba32 (guint32 rgba)
  72 {
  73     _preview.setRgba32 (rgba);
  74     _rgba = rgba;
  75     if (_colorSelector)
  76     {
  77         SPColor color;
  78         sp_color_set_rgb_rgba32(&color, rgba);
  79         _colorSelector->base->setColorAlpha(color, SP_RGBA32_A_F(rgba));
  80     }
  81 }
  82
  83 void
  84 ColorPicker::closeWindow()
  85 {
  86     _colorSelectorDialog.hide();
  87 }
  88
  89 void
  90 ColorPicker::on_clicked()
  91 {
  92     if (_colorSelector)
  93     {
  94         SPColor color;
  95         sp_color_set_rgb_rgba32(&color, _rgba);
  96         _colorSelector->base->setColorAlpha(color, SP_RGBA32_A_F(_rgba));
  97     }
  98     _colorSelectorDialog.show();
  99 }
 100
 101 void
 102 ColorPicker::on_changed (guint32)
 103 {
 104 }
 105
 106 void
 107 sp_color_picker_color_mod(SPColorSelector *csel, GObject *cp)
 108 {
 109     SPColor color;
 110     float alpha;
 111     csel->base->getColorAlpha(color, &alpha);
 112     guint32 rgba = sp_color_get_rgba32_falpha(&color, alpha);
 113
 114     ColorPicker *ptr = (ColorPicker *)(cp);
 115
 116     (ptr->_preview).setRgba32 (rgba);
 117
 118     if (ptr->_undo && SP_ACTIVE_DESKTOP)
 119         sp_document_done(SP_DT_DOCUMENT(SP_ACTIVE_DESKTOP));
 120
 121     ptr->on_changed (rgba);
 122     ptr->_changed_signal.emit (rgba);
 123 }
 124
 125
 126 }//namespace Widget
 127 }//namespace UI
 128 }//namespace Inkscape
 129
 130
 131 /*
 132   Local Variables:
 133   mode:c++
 134   c-file-style:"stroustrup"
 135   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 136   indent-tabs-mode:nil
 137   fill-column:99
 138   End:
 139 */
 140 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :