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