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 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     _colorSelectorDialog.hide();
  54     _colorSelectorDialog.set_title (title);
  55     _colorSelectorDialog.set_border_width (4);
  56     _colorSelector = (SPColorSelector*)sp_color_selector_new(SP_TYPE_COLOR_NOTEBOOK,
  57                                   SP_COLORSPACE_TYPE_UNKNOWN);
  58     _colorSelectorDialog.get_vbox()->pack_start (
  59               *Glib::wrap(&_colorSelector->vbox), true, true, 0);
  60
  61     g_signal_connect(G_OBJECT(_colorSelector), "dragged",
  62                          G_CALLBACK(sp_color_picker_color_mod), (void *)this);
  63     g_signal_connect(G_OBJECT(_colorSelector), "released",
  64                          G_CALLBACK(sp_color_picker_color_mod), (void *)this);
  65     g_signal_connect(G_OBJECT(_colorSelector), "changed",
  66                          G_CALLBACK(sp_color_picker_color_mod), (void *)this);
  67
  68     gtk_widget_show(GTK_WIDGET(_colorSelector));
  69
  70 }
  71
  72
  73
  74
  75 void
  76 ColorPicker::setRgba32 (guint32 rgba)
  77 {
  78     if (_in_use) return;
  79
  80     _preview.setRgba32 (rgba);
  81     _rgba = rgba;
  82     if (_colorSelector)
  83     {
  84         SPColor color;
  85         sp_color_set_rgb_rgba32(&color, rgba);
  86         _colorSelector->base->setColorAlpha(color, SP_RGBA32_A_F(rgba));
  87     }
  88 }
  89
  90 void
  91 ColorPicker::closeWindow()
  92 {
  93     _colorSelectorDialog.hide();
  94 }
  95
  96 void
  97 ColorPicker::on_clicked()
  98 {
  99     if (_colorSelector)
 100     {
 101         SPColor color;
 102         sp_color_set_rgb_rgba32(&color, _rgba);
 103         _colorSelector->base->setColorAlpha(color, SP_RGBA32_A_F(_rgba));
 104     }
 105     _colorSelectorDialog.show();
 106 }
 107
 108 void
 109 ColorPicker::on_changed (guint32)
 110 {
 111 }
 112
 113 void
 114 sp_color_picker_color_mod(SPColorSelector *csel, GObject *cp)
 115 {
 116     if (_in_use) return;
 117     else _in_use = true;
 118
 119     SPColor color;
 120     float alpha;
 121     csel->base->getColorAlpha(color, &alpha);
 122     guint32 rgba = sp_color_get_rgba32_falpha(&color, alpha);
 123
 124     ColorPicker *ptr = (ColorPicker *)(cp);
 125
 126     (ptr->_preview).setRgba32 (rgba);
 127
 128     if (ptr->_undo && SP_ACTIVE_DESKTOP)
 129         sp_document_done(sp_desktop_document(SP_ACTIVE_DESKTOP));
 130
 131     ptr->on_changed (rgba);
 132     _in_use = false;
 133     ptr->_changed_signal.emit (rgba);
 134     ptr->_rgba = rgba;
 135 }
 136
 137
 138 }//namespace Widget
 139 }//namespace UI
 140 }//namespace Inkscape
 141
 142
 143 /*
 144   Local Variables:
 145   mode:c++
 146   c-file-style:"stroustrup"
 147   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 148   indent-tabs-mode:nil
 149   fill-column:99
 150   End:
 151 */
 152 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :