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 void sp_color_picker_color_mod(SPColorSelector *csel, GObject *cp);
  29
  30 ColorPicker::ColorPicker (const Glib::ustring& title, const Glib::ustring& tip,
  31                           guint32 rgba, bool undo)
  32           : _preview(rgba), _title(title), _rgba(rgba), _undo(undo),
  33            _colorSelectorDialog("dialogs.colorpickerwindow")
  34 {
  35     setupDialog(title);
  36     set_relief (Gtk::RELIEF_NONE);
  37     _preview.show();
  38     add (_preview);
  39     _tt.set_tip (*this, tip);
  40 }
  41
  42 ColorPicker::~ColorPicker()
  43 {
  44     closeWindow();
  45     _colorSelector = NULL;
  46 }
  47
  48 void
  49 ColorPicker::setupDialog(const Glib::ustring &title)
  50 {
  51     _colorSelectorDialog.hide();
  52     _colorSelectorDialog.set_title (title);
  53     _colorSelectorDialog.set_border_width (4);
  54     _colorSelector = (SPColorSelector*)sp_color_selector_new(SP_TYPE_COLOR_NOTEBOOK,
  55                                   SP_COLORSPACE_TYPE_UNKNOWN);
  56     _colorSelectorDialog.get_vbox()->pack_start (
  57               *Glib::wrap(&_colorSelector->vbox), true, true, 0);
  58
  59     g_signal_connect(G_OBJECT(_colorSelector), "dragged",
  60                          G_CALLBACK(sp_color_picker_color_mod), (void *)this);
  61     g_signal_connect(G_OBJECT(_colorSelector), "changed",
  62                          G_CALLBACK(sp_color_picker_color_mod), (void *)this);
  63
  64     gtk_widget_show(GTK_WIDGET(_colorSelector));
  65
  66 }
  67
  68
  69
  70
  71 void
  72 ColorPicker::setRgba32 (guint32 rgba)
  73 {
  74     _preview.setRgba32 (rgba);
  75     _rgba = rgba;
  76     if (_colorSelector)
  77     {
  78         SPColor color;
  79         sp_color_set_rgb_rgba32(&color, rgba);
  80         _colorSelector->base->setColorAlpha(color, SP_RGBA32_A_F(rgba));
  81     }
  82 }
  83
  84 void
  85 ColorPicker::closeWindow()
  86 {
  87     _colorSelectorDialog.hide();
  88 }
  89
  90 void
  91 ColorPicker::on_clicked()
  92 {
  93     if (_colorSelector)
  94     {
  95         SPColor color;
  96         sp_color_set_rgb_rgba32(&color, _rgba);
  97         _colorSelector->base->setColorAlpha(color, SP_RGBA32_A_F(_rgba));
  98     }
  99     _colorSelectorDialog.show();
 100 }
 101
 102 void
 103 ColorPicker::on_changed (guint32)
 104 {
 105 }
 106
 107 void
 108 sp_color_picker_color_mod(SPColorSelector *csel, GObject *cp)
 109 {
 110     SPColor color;
 111     float alpha;
 112     csel->base->getColorAlpha(color, &alpha);
 113     guint32 rgba = sp_color_get_rgba32_falpha(&color, alpha);
 114
 115     ColorPicker *ptr = (ColorPicker *)(cp);
 116
 117     (ptr->_preview).setRgba32 (rgba);
 118
 119     if (ptr->_undo && SP_ACTIVE_DESKTOP)
 120         sp_document_done(sp_desktop_document(SP_ACTIVE_DESKTOP));
 121
 122     ptr->on_changed (rgba);
 123     ptr->_changed_signal.emit (rgba);
 124 }
 125
 126
 127 }//namespace Widget
 128 }//namespace UI
 129 }//namespace Inkscape
 130
 131
 132 /*
 133   Local Variables:
 134   mode:c++
 135   c-file-style:"stroustrup"
 136   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 137   indent-tabs-mode:nil
 138   fill-column:99
 139   End:
 140 */
 141 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :