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Viewing changes to src/widgets/sp-color-gtkselector.cpp

  • Committer: mental
  • Date: 2006-01-16 02:36:01 UTC
  • Revision ID: mental@users.sourceforge.net-20060116023601-wkr0h7edl5veyudq
moving trunk for module inkscape

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src/widgets/sp-color-gtkselector.cpp
 
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#ifdef HAVE_CONFIG_H
 
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# include "config.h"
 
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#endif
 
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#include <glibmm/i18n.h>
 
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#include "sp-color-gtkselector.h"
 
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static void sp_color_gtkselector_class_init (SPColorGtkselectorClass *klass);
 
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static void sp_color_gtkselector_init (SPColorGtkselector *csel);
 
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static void sp_color_gtkselector_destroy (GtkObject *object);
 
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static void sp_color_gtkselector_show_all (GtkWidget *widget);
 
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static void sp_color_gtkselector_hide_all (GtkWidget *widget);
 
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static SPColorSelectorClass *parent_class;
 
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#define XPAD 4
 
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#define YPAD 1
 
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GType
 
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sp_color_gtkselector_get_type (void)
 
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{
 
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        static GType type = 0;
 
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        if (!type) {
 
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                static const GTypeInfo info = {
 
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                        sizeof (SPColorGtkselectorClass),
 
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                        NULL, /* base_init */
 
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                        NULL, /* base_finalize */
 
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                        (GClassInitFunc) sp_color_gtkselector_class_init,
 
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                        NULL, /* class_finalize */
 
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                        NULL, /* class_data */
 
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                        sizeof (SPColorGtkselector),
 
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                        0,        /* n_preallocs */
 
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                        (GInstanceInitFunc) sp_color_gtkselector_init,
 
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                        NULL,
 
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                };
 
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                type = g_type_register_static (SP_TYPE_COLOR_SELECTOR,
 
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                                                                           "SPColorGtkselector",
 
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                                                                           &info,
 
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                                                                           static_cast< GTypeFlags > (0) );
 
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        }
 
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        return type;
 
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}
 
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static void
 
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sp_color_gtkselector_class_init (SPColorGtkselectorClass *klass)
 
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{
 
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        static const gchar* nameset[] = {N_("System"), 0};
 
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        GtkObjectClass *object_class;
 
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        GtkWidgetClass *widget_class;
 
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        SPColorSelectorClass *selector_class;
 
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        object_class = (GtkObjectClass *) klass;
 
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        widget_class = (GtkWidgetClass *) klass;
 
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        selector_class = SP_COLOR_SELECTOR_CLASS (klass);
 
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        parent_class = SP_COLOR_SELECTOR_CLASS (g_type_class_peek_parent (klass));
 
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        selector_class->name = nameset;
 
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        selector_class->submode_count = 1;
 
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        object_class->destroy = sp_color_gtkselector_destroy;
 
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        widget_class->show_all = sp_color_gtkselector_show_all;
 
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        widget_class->hide_all = sp_color_gtkselector_hide_all;
 
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}
 
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void sp_color_gtkselector_init (SPColorGtkselector *csel)
 
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{
 
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    SP_COLOR_SELECTOR(csel)->base = new ColorGtkselector( SP_COLOR_SELECTOR(csel) );
 
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    if ( SP_COLOR_SELECTOR(csel)->base )
 
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    {
 
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        SP_COLOR_SELECTOR(csel)->base->init();
 
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    }
 
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}
 
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void ColorGtkselector::init()
 
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{
 
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        GtkWidget *gtksel;
 
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        gtksel = gtk_color_selection_new();
 
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        gtk_widget_show (gtksel);
 
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        _gtkThing = GTK_COLOR_SELECTION (gtksel);
 
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        gtk_box_pack_start (GTK_BOX (_csel), gtksel, TRUE, TRUE, 0);
 
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        _sigId = g_signal_connect( GTK_OBJECT(gtksel), "color-changed", GTK_SIGNAL_FUNC( _gtkChanged ), _csel);
 
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}
 
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static void
 
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sp_color_gtkselector_destroy (GtkObject *object)
 
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{
 
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        if (((GtkObjectClass *) (parent_class))->destroy)
 
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                (* ((GtkObjectClass *) (parent_class))->destroy) (object);
 
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}
 
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static void
 
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sp_color_gtkselector_show_all (GtkWidget *widget)
 
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{
 
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        gtk_widget_show (widget);
 
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}
 
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static void
 
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sp_color_gtkselector_hide_all (GtkWidget *widget)
 
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{
 
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        gtk_widget_hide (widget);
 
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}
 
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GtkWidget *
 
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sp_color_gtkselector_new (GType, SPColorSpaceType colorspace)
 
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{
 
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        SPColorGtkselector *csel;
 
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        csel = (SPColorGtkselector*)gtk_type_new (SP_TYPE_COLOR_GTKSELECTOR);
 
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        return GTK_WIDGET (csel);
 
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}
 
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ColorGtkselector::ColorGtkselector( SPColorSelector* csel )
 
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    : ColorSelector( csel ),
 
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      _gtkThing(0)
 
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{
 
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}
 
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ColorGtkselector::~ColorGtkselector()
 
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{
 
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}
 
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void ColorGtkselector::_colorChanged( const SPColor& color, gfloat alpha )
 
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{
 
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    GdkColor gcolor;
 
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    float rgb[3];
 
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    g_return_if_fail (_csel != NULL);
 
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    g_return_if_fail (SP_IS_COLOR_GTKSELECTOR (_csel));
 
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    g_return_if_fail( ( 0.0 <= alpha ) && ( alpha <= 1.0 ) );
 
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    sp_color_copy (&_color, &color);
 
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    _alpha = alpha;
 
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    sp_color_get_rgb_floatv( &color, rgb );
 
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    gcolor.pixel = 0;
 
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    gcolor.red   = static_cast< guint16 > (rgb[0] * 65535);
 
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    gcolor.green = static_cast< guint16 > (rgb[1] * 65535);
 
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    gcolor.blue  = static_cast< guint16 > (rgb[2] * 65535);
 
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//     g_message( "*****  _colorChanged %04x %04x %04x", gcolor.red, gcolor.green, gcolor.blue );
 
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    g_signal_handler_block( _gtkThing, _sigId );
 
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    gtk_color_selection_set_current_alpha (_gtkThing, (guint16)(65535 * alpha));
 
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    gtk_color_selection_set_current_color (_gtkThing, &gcolor);
 
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    g_signal_handler_unblock(_gtkThing, _sigId );
 
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}
 
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void ColorGtkselector::_gtkChanged( GtkColorSelection *colorselection, SPColorGtkselector *gtksel )
 
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{
 
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    ColorGtkselector* gtkInst = (ColorGtkselector*)(SP_COLOR_SELECTOR(gtksel)->base);
 
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    SPColor ourColor;
 
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    GdkColor color;
 
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    guint16 alpha;
 
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    gtk_color_selection_get_current_color (colorselection, &color);
 
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    alpha = gtk_color_selection_get_current_alpha (colorselection);
 
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    sp_color_set_rgb_float (&ourColor, (color.red / 65535.0), (color.green / 65535.0), (color.blue / 65535.0));
 
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//     g_message( "*****  _gtkChanged   %04x %04x %04x", color.red, color.green, color.blue );
 
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    gtkInst->_updateInternals( ourColor, static_cast< gfloat > (alpha) / 65535.0, gtk_color_selection_is_adjusting(colorselection) );
 
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}