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                                   SP_COLORSPACE_TYPE_UNKNOWN);
  62     _colorSelectorDialog.get_vbox()->pack_start (
  63               *Glib::wrap(&_colorSelector->vbox), true, true, 0);
  64
  65     g_signal_connect(G_OBJECT(_colorSelector), "dragged",
  66                          G_CALLBACK(sp_color_picker_color_mod), (void *)this);
  67     g_signal_connect(G_OBJECT(_colorSelector), "released",
  68                          G_CALLBACK(sp_color_picker_color_mod), (void *)this);
  69     g_signal_connect(G_OBJECT(_colorSelector), "changed",
  70                          G_CALLBACK(sp_color_picker_color_mod), (void *)this);
  71
  72     gtk_widget_show(GTK_WIDGET(_colorSelector));
  73
  74 }
  75
  76
  77
  78
  79 void
  80 ColorPicker::setRgba32 (guint32 rgba)
  81 {
  82     if (_in_use) return;
  83
  84     _preview.setRgba32 (rgba);
  85     _rgba = rgba;
  86     if (_colorSelector)
  87     {
  88         SPColor color;
  89         sp_color_set_rgb_rgba32(&color, rgba);
  90         _colorSelector->base->setColorAlpha(color, SP_RGBA32_A_F(rgba));
  91     }
  92 }
  93
  94 void
  95 ColorPicker::closeWindow()
  96 {
  97     _colorSelectorDialog.hide();
  98 }
  99
 100 void
 101 ColorPicker::on_clicked()
 102 {
 103     if (_colorSelector)
 104     {
 105         SPColor color;
 106         sp_color_set_rgb_rgba32(&color, _rgba);
 107         _colorSelector->base->setColorAlpha(color, SP_RGBA32_A_F(_rgba));
 108     }
 109     _colorSelectorDialog.show();
 110 }
 111
 112 void
 113 ColorPicker::on_changed (guint32)
 114 {
 115 }
 116
 117 void
 118 sp_color_picker_color_mod(SPColorSelector *csel, GObject *cp)
 119 {
 120     if (_in_use) return;
 121     else _in_use = true;
 122
 123     SPColor color;
 124     float alpha;
 125     csel->base->getColorAlpha(color, &alpha);
 126     guint32 rgba = sp_color_get_rgba32_falpha(&color, alpha);
 127
 128     ColorPicker *ptr = (ColorPicker *)(cp);
 129
 130     (ptr->_preview).setRgba32 (rgba);
 131
 132     if (ptr->_undo && SP_ACTIVE_DESKTOP)
 133         sp_document_done(sp_desktop_document(SP_ACTIVE_DESKTOP), SP_VERB_NONE,
 134                          /* TODO: annotate */ "color-picker.cpp:130");
 135
 136     ptr->on_changed (rgba);
 137     _in_use = false;
 138     ptr->_changed_signal.emit (rgba);
 139     ptr->_rgba = rgba;
 140 }
 141
 142
 143 }//namespace Widget
 144 }//namespace UI
 145 }//namespace Inkscape
 146
 147
 148 /*
 149   Local Variables:
 150   mode:c++
 151   c-file-style:"stroustrup"
 152   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 153   indent-tabs-mode:nil
 154   fill-column:99
 155   End:
 156 */
 157 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :