src/widgets/sp-color-gtkselector.cpp

   1 #ifdef HAVE_CONFIG_H
   2 # include "config.h"
   3 #endif
   4 #include <glibmm/i18n.h>
   5 #include "sp-color-gtkselector.h"
   6
   7
   8 static void sp_color_gtkselector_class_init (SPColorGtkselectorClass *klass);
   9 static void sp_color_gtkselector_init (SPColorGtkselector *csel);
  10 static void sp_color_gtkselector_destroy (GtkObject *object);
  11
  12 static void sp_color_gtkselector_show_all (GtkWidget *widget);
  13 static void sp_color_gtkselector_hide_all (GtkWidget *widget);
  14
  15
  16 static SPColorSelectorClass *parent_class;
  17
  18 #define XPAD 4
  19 #define YPAD 1
  20
  21 GType
  22 sp_color_gtkselector_get_type (void)
  23 {
  24         static GType type = 0;
  25         if (!type) {
  26                 static const GTypeInfo info = {
  27                         sizeof (SPColorGtkselectorClass),
  28                         NULL, /* base_init */
  29                         NULL, /* base_finalize */
  30                         (GClassInitFunc) sp_color_gtkselector_class_init,
  31                         NULL, /* class_finalize */
  32                         NULL, /* class_data */
  33                         sizeof (SPColorGtkselector),
  34                         0,        /* n_preallocs */
  35                         (GInstanceInitFunc) sp_color_gtkselector_init,
  36                         NULL,
  37                 };
  38
  39                 type = g_type_register_static (SP_TYPE_COLOR_SELECTOR,
  40                                                                            "SPColorGtkselector",
  41                                                                            &info,
  42                                                                            static_cast< GTypeFlags > (0) );
  43         }
  44         return type;
  45 }
  46
  47 static void
  48 sp_color_gtkselector_class_init (SPColorGtkselectorClass *klass)
  49 {
  50         static const gchar* nameset[] = {N_("System"), 0};
  51         GtkObjectClass *object_class;
  52         GtkWidgetClass *widget_class;
  53         SPColorSelectorClass *selector_class;
  54
  55         object_class = (GtkObjectClass *) klass;
  56         widget_class = (GtkWidgetClass *) klass;
  57         selector_class = SP_COLOR_SELECTOR_CLASS (klass);
  58
  59         parent_class = SP_COLOR_SELECTOR_CLASS (g_type_class_peek_parent (klass));
  60
  61         selector_class->name = nameset;
  62         selector_class->submode_count = 1;
  63
  64         object_class->destroy = sp_color_gtkselector_destroy;
  65
  66         widget_class->show_all = sp_color_gtkselector_show_all;
  67         widget_class->hide_all = sp_color_gtkselector_hide_all;
  68 }
  69
  70 void sp_color_gtkselector_init (SPColorGtkselector *csel)
  71 {
  72     SP_COLOR_SELECTOR(csel)->base = new ColorGtkselector( SP_COLOR_SELECTOR(csel) );
  73
  74     if ( SP_COLOR_SELECTOR(csel)->base )
  75     {
  76         SP_COLOR_SELECTOR(csel)->base->init();
  77     }
  78 }
  79
  80 void ColorGtkselector::init()
  81 {
  82         GtkWidget *gtksel;
  83
  84         gtksel = gtk_color_selection_new();
  85         gtk_widget_show (gtksel);
  86         _gtkThing = GTK_COLOR_SELECTION (gtksel);
  87         gtk_box_pack_start (GTK_BOX (_csel), gtksel, TRUE, TRUE, 0);
  88
  89         _sigId = g_signal_connect( GTK_OBJECT(gtksel), "color-changed", GTK_SIGNAL_FUNC( _gtkChanged ), _csel);
  90 }
  91
  92 static void
  93 sp_color_gtkselector_destroy (GtkObject *object)
  94 {
  95         if (((GtkObjectClass *) (parent_class))->destroy)
  96                 (* ((GtkObjectClass *) (parent_class))->destroy) (object);
  97 }
  98
  99 static void
 100 sp_color_gtkselector_show_all (GtkWidget *widget)
 101 {
 102         gtk_widget_show (widget);
 103 }
 104
 105 static void
 106 sp_color_gtkselector_hide_all (GtkWidget *widget)
 107 {
 108         gtk_widget_hide (widget);
 109 }
 110
 111 GtkWidget *
 112 sp_color_gtkselector_new( GType )
 113 {
 114         SPColorGtkselector *csel;
 115
 116         csel = (SPColorGtkselector*)gtk_type_new (SP_TYPE_COLOR_GTKSELECTOR);
 117
 118         return GTK_WIDGET (csel);
 119 }
 120
 121 ColorGtkselector::ColorGtkselector( SPColorSelector* csel )
 122     : ColorSelector( csel ),
 123       _gtkThing(0)
 124 {
 125 }
 126
 127 ColorGtkselector::~ColorGtkselector()
 128 {
 129 }
 130
 131 void ColorGtkselector::_colorChanged()
 132 {
 133     GdkColor gcolor;
 134
 135     gcolor.pixel = 0;
 136     gcolor.red   = static_cast< guint16 >(_color.v.c[0] * 65535);
 137     gcolor.green = static_cast< guint16 >(_color.v.c[1] * 65535);
 138     gcolor.blue  = static_cast< guint16 >(_color.v.c[2] * 65535);
 139
 140 //     g_message( "*****  _colorChanged %04x %04x %04x", gcolor.red, gcolor.green, gcolor.blue );
 141     g_signal_handler_block( _gtkThing, _sigId );
 142     gtk_color_selection_set_current_alpha( _gtkThing, static_cast<guint16>(65535 * _alpha) );
 143     gtk_color_selection_set_current_color( _gtkThing, &gcolor );
 144     g_signal_handler_unblock(_gtkThing, _sigId );
 145 }
 146
 147 void ColorGtkselector::_gtkChanged( GtkColorSelection *colorselection, SPColorGtkselector *gtksel )
 148 {
 149     GdkColor color;
 150     gtk_color_selection_get_current_color (colorselection, &color);
 151
 152     guint16 alpha = gtk_color_selection_get_current_alpha (colorselection);
 153
 154     SPColor ourColor( (color.red / 65535.0), (color.green / 65535.0), (color.blue / 65535.0) );
 155
 156 //     g_message( "*****  _gtkChanged   %04x %04x %04x", color.red, color.green, color.blue );
 157
 158     ColorGtkselector* gtkInst = (ColorGtkselector*)(SP_COLOR_SELECTOR(gtksel)->base);
 159     gtkInst->_updateInternals( ourColor, static_cast< gfloat > (alpha) / 65535.0, gtk_color_selection_is_adjusting(colorselection) );
 160 }