609e04ddcf
Clean up the code of many examples in minor ways, fix some memory leaks, and avoid the use of dialogs where a regular toplevel works just as well.
753 lines
13 KiB
C
753 lines
13 KiB
C
/* Flow Box
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*
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* GtkFlowBox allows flexible and responsive grids which reflow
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* as needed and support sorting and filtering.
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*
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* The children of a GtkFlowBox are regular widgets
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*/
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#include <gtk/gtk.h>
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#include <stdlib.h>
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#include <string.h>
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static gboolean
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draw_color (GtkWidget *drawingarea,
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cairo_t *cr,
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const char *color_name)
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{
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GdkRGBA rgba;
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if (gdk_rgba_parse (&rgba, color_name))
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{
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gdk_cairo_set_source_rgba (cr, &rgba);
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cairo_paint (cr);
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}
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return FALSE;
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}
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static GtkWidget *
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color_swatch_new (const gchar *color)
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{
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GtkWidget *button, *area;
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button = gtk_button_new ();
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area = gtk_drawing_area_new ();
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g_signal_connect (area, "draw", G_CALLBACK (draw_color), (gpointer) color);
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gtk_widget_set_size_request (area, 24, 24);
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gtk_container_add (GTK_CONTAINER (button), area);
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gtk_widget_show_all (button);
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return button;
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}
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GtkWidget *
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do_flowbox (GtkWidget *do_widget)
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{
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static GtkWidget *window = NULL;
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GtkWidget *scrolled, *flowbox;
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const gchar *colors[] = {
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"AliceBlue",
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"AntiqueWhite",
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"AntiqueWhite1",
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"AntiqueWhite2",
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"AntiqueWhite3",
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"AntiqueWhite4",
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"aqua",
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"aquamarine",
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"aquamarine1",
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"aquamarine2",
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"aquamarine3",
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"aquamarine4",
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"azure",
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"azure1",
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"azure2",
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"azure3",
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"azure4",
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"beige",
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"bisque",
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"bisque1",
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"bisque2",
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"bisque3",
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"bisque4",
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"black",
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"BlanchedAlmond",
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"blue",
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"blue1",
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"blue2",
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"blue3",
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"blue4",
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"BlueViolet",
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"brown",
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"brown1",
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"brown2",
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"brown3",
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"brown4",
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"burlywood",
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"burlywood1",
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"burlywood2",
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"burlywood3",
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"burlywood4",
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"CadetBlue",
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"CadetBlue1",
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"CadetBlue2",
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"CadetBlue3",
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"CadetBlue4",
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"chartreuse",
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"chartreuse1",
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"chartreuse2",
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"chartreuse3",
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"chartreuse4",
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"chocolate",
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"chocolate1",
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"chocolate2",
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"chocolate3",
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"chocolate4",
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"coral",
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"coral1",
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"coral2",
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"coral3",
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"coral4",
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"CornflowerBlue",
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"cornsilk",
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"cornsilk1",
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"cornsilk2",
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"cornsilk3",
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"cornsilk4",
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"crimson",
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"cyan",
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"cyan1",
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"cyan2",
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"cyan3",
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"cyan4",
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"DarkBlue",
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"DarkCyan",
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"DarkGoldenrod",
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"DarkGoldenrod1",
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"DarkGoldenrod2",
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"DarkGoldenrod3",
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"DarkGoldenrod4",
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"DarkGray",
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"DarkGreen",
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"DarkGrey",
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"DarkKhaki",
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"DarkMagenta",
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"DarkOliveGreen",
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"DarkOliveGreen1",
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"DarkOliveGreen2",
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"DarkOliveGreen3",
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"DarkOliveGreen4",
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"DarkOrange",
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"DarkOrange1",
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"DarkOrange2",
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"DarkOrange3",
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"DarkOrange4",
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"DarkOrchid",
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"DarkOrchid1",
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"DarkOrchid2",
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"DarkOrchid3",
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"DarkOrchid4",
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"DarkRed",
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"DarkSalmon",
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"DarkSeaGreen",
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"DarkSeaGreen1",
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"DarkSeaGreen2",
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"DarkSeaGreen3",
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"DarkSeaGreen4",
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"DarkSlateBlue",
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"DarkSlateGray",
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"DarkSlateGray1",
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"DarkSlateGray2",
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"DarkSlateGray3",
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"DarkSlateGray4",
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"DarkSlateGrey",
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"DarkTurquoise",
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"DarkViolet",
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"DeepPink",
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"DeepPink1",
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"DeepPink2",
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"DeepPink3",
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"DeepPink4",
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"DeepSkyBlue",
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"DeepSkyBlue1",
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"DeepSkyBlue2",
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"DeepSkyBlue3",
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"DeepSkyBlue4",
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"DimGray",
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"DimGrey",
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"DodgerBlue",
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"DodgerBlue1",
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"DodgerBlue2",
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"DodgerBlue3",
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"DodgerBlue4",
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"firebrick",
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"firebrick1",
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"firebrick2",
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"firebrick3",
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"firebrick4",
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"FloralWhite",
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"ForestGreen",
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"fuchsia",
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"gainsboro",
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"GhostWhite",
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"gold",
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"gold1",
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"gold2",
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"gold3",
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"gold4",
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"goldenrod",
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"goldenrod1",
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"goldenrod2",
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"goldenrod3",
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"goldenrod4",
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"gray",
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"gray0",
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"gray1",
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"gray10",
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"gray100",
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"gray11",
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"gray12",
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"gray13",
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"gray14",
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"gray15",
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"gray16",
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"gray17",
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"gray18",
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"gray19",
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"gray2",
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"gray20",
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"gray21",
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"gray22",
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"gray23",
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"gray24",
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"gray25",
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"gray26",
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"gray27",
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"gray28",
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"gray29",
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"gray3",
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"gray30",
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"gray31",
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"gray32",
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"gray33",
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"gray34",
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"gray35",
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"gray36",
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"gray37",
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"gray38",
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"gray39",
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"gray4",
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"gray40",
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"gray41",
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"gray42",
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"gray43",
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"gray44",
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"gray45",
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"gray46",
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"gray47",
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"gray48",
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"gray49",
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"gray5",
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"gray50",
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"gray51",
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"gray52",
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"gray53",
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"gray54",
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"gray55",
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"gray56",
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"gray57",
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"gray58",
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"gray59",
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"gray6",
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"gray60",
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"gray61",
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"gray62",
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"gray63",
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"gray64",
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"gray65",
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"gray66",
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"gray67",
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"gray68",
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"gray69",
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"gray7",
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"gray70",
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"gray71",
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"gray72",
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"gray73",
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"gray74",
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"gray75",
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"gray76",
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"gray77",
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"gray78",
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"gray79",
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"gray8",
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"gray80",
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"gray81",
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"gray82",
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"gray83",
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"gray84",
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"gray85",
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"gray86",
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"gray87",
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"gray88",
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"gray89",
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"gray9",
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"gray90",
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"gray91",
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"gray92",
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"gray93",
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"gray94",
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"gray95",
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"gray96",
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"gray97",
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"gray98",
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"gray99",
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"green",
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"green1",
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"green2",
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"green3",
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"green4",
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"GreenYellow",
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"grey",
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"grey0",
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"grey1",
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"grey10",
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"grey100",
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"grey11",
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"grey12",
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"grey13",
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"grey14",
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"grey15",
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"grey16",
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"grey17",
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"grey18",
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"grey19",
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"grey2",
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"grey20",
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"grey21",
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"grey22",
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"grey23",
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"grey24",
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"grey25",
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"grey26",
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"grey27",
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"grey28",
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"grey29",
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"grey3",
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"grey30",
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"grey31",
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"grey32",
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"grey33",
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"grey34",
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"grey35",
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"grey36",
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"grey37",
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"grey38",
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"grey39",
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"grey4",
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"grey40",
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"grey41",
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"grey42",
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"grey43",
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"grey44",
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"grey45",
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"grey46",
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"grey47",
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"grey48",
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"grey49",
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"grey5",
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"grey50",
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"grey51",
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"grey52",
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"grey53",
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"grey54",
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"grey55",
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"grey56",
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"grey57",
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"grey58",
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"grey59",
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"grey6",
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"grey60",
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"grey61",
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"grey62",
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"grey63",
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"grey64",
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"grey65",
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"grey66",
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"grey67",
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"grey68",
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"grey69",
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"grey7",
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"grey70",
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"grey71",
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"grey72",
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"grey73",
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"grey74",
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"grey75",
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"grey76",
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"grey77",
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"grey78",
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"grey79",
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"grey8",
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"grey80",
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"grey81",
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"grey82",
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"grey83",
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"grey84",
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"grey85",
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"grey86",
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"grey87",
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"grey88",
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"grey89",
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"grey9",
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"grey90",
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"grey91",
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"grey92",
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"grey93",
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"grey94",
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"grey95",
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"grey96",
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"grey97",
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"grey98",
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"grey99",
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"honeydew",
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"honeydew1",
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"honeydew2",
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"honeydew3",
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"honeydew4",
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"HotPink",
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"HotPink1",
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"HotPink2",
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"HotPink3",
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"HotPink4",
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"IndianRed",
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"IndianRed1",
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"IndianRed2",
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"IndianRed3",
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"IndianRed4",
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"indigo",
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"ivory",
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"ivory1",
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"ivory2",
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"ivory3",
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"ivory4",
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"khaki",
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"khaki1",
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"khaki2",
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"khaki3",
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"khaki4",
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"lavender",
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"LavenderBlush",
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"LavenderBlush1",
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"LavenderBlush2",
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"LavenderBlush3",
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"LavenderBlush4",
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"LawnGreen",
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"LemonChiffon",
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"LemonChiffon1",
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"LemonChiffon2",
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"LemonChiffon3",
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"LemonChiffon4",
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"LightBlue",
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"LightBlue1",
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"LightBlue2",
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"LightBlue3",
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"LightBlue4",
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"LightCoral",
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"LightCyan",
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"LightCyan1",
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"LightCyan2",
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"LightCyan3",
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"LightCyan4",
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"LightGoldenrod",
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"LightGoldenrod1",
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"LightGoldenrod2",
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"LightGoldenrod3",
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"LightGoldenrod4",
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"LightGoldenrodYellow",
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"LightGray",
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"LightGreen",
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"LightGrey",
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"LightPink",
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"LightPink1",
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"LightPink2",
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"LightPink3",
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"LightPink4",
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"LightSalmon",
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"LightSalmon1",
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"LightSalmon2",
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"LightSalmon3",
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"LightSalmon4",
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"LightSeaGreen",
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"LightSkyBlue",
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"LightSkyBlue1",
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"LightSkyBlue2",
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"LightSkyBlue3",
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"LightSkyBlue4",
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"LightSlateBlue",
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"LightSlateGray",
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"LightSlateGrey",
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"LightSteelBlue",
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"LightSteelBlue1",
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"LightSteelBlue2",
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"LightSteelBlue3",
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"LightSteelBlue4",
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"LightYellow",
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"LightYellow1",
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"LightYellow2",
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"LightYellow3",
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"LightYellow4",
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"lime",
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"LimeGreen",
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"linen",
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"magenta",
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"magenta1",
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"magenta2",
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"magenta3",
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"magenta4",
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"maroon",
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"maroon1",
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"maroon2",
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"maroon3",
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"maroon4",
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"MediumAquamarine",
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"MediumBlue",
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"MediumOrchid",
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"MediumOrchid1",
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"MediumOrchid2",
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"MediumOrchid3",
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"MediumOrchid4",
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"MediumPurple",
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"MediumPurple1",
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"MediumPurple2",
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"MediumPurple3",
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"MediumPurple4",
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"MediumSeaGreen",
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"MediumSlateBlue",
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"MediumSpringGreen",
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"MediumTurquoise",
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"MediumVioletRed",
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"MidnightBlue",
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"MintCream",
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"MistyRose",
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"MistyRose1",
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"MistyRose2",
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"MistyRose3",
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"MistyRose4",
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"moccasin",
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"NavajoWhite",
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"NavajoWhite1",
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"NavajoWhite2",
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"NavajoWhite3",
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"NavajoWhite4",
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"navy",
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"NavyBlue",
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"OldLace",
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"olive",
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"OliveDrab",
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"OliveDrab1",
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"OliveDrab2",
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"OliveDrab3",
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"OliveDrab4",
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"orange",
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"orange1",
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"orange2",
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"orange3",
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"orange4",
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"OrangeRed",
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"OrangeRed1",
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"OrangeRed2",
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"OrangeRed3",
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"OrangeRed4",
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"orchid",
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"orchid1",
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"orchid2",
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"orchid3",
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"orchid4",
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"PaleGoldenrod",
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"PaleGreen",
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"PaleGreen1",
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"PaleGreen2",
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"PaleGreen3",
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"PaleGreen4",
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"PaleTurquoise",
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"PaleTurquoise1",
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"PaleTurquoise2",
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"PaleTurquoise3",
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"PaleTurquoise4",
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"PaleVioletRed",
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"PaleVioletRed1",
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"PaleVioletRed2",
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"PaleVioletRed3",
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"PaleVioletRed4",
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"PapayaWhip",
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"PeachPuff",
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"PeachPuff1",
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"PeachPuff2",
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"PeachPuff3",
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"PeachPuff4",
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"peru",
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"pink",
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"pink1",
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"pink2",
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"pink3",
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"pink4",
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"plum",
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"plum1",
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"plum2",
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"plum3",
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"plum4",
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"PowderBlue",
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"purple",
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"purple1",
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"purple2",
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"purple3",
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"purple4",
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"red",
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"red1",
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"red2",
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"red3",
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"red4",
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"RosyBrown",
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"RosyBrown1",
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"RosyBrown2",
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"RosyBrown3",
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"RosyBrown4",
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"RoyalBlue",
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"RoyalBlue1",
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"RoyalBlue2",
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"RoyalBlue3",
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"RoyalBlue4",
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"SaddleBrown",
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"salmon",
|
|
"salmon1",
|
|
"salmon2",
|
|
"salmon3",
|
|
"salmon4",
|
|
"SandyBrown",
|
|
"SeaGreen",
|
|
"SeaGreen1",
|
|
"SeaGreen2",
|
|
"SeaGreen3",
|
|
"SeaGreen4",
|
|
"seashell",
|
|
"seashell1",
|
|
"seashell2",
|
|
"seashell3",
|
|
"seashell4",
|
|
"sienna",
|
|
"sienna1",
|
|
"sienna2",
|
|
"sienna3",
|
|
"sienna4",
|
|
"silver",
|
|
"SkyBlue",
|
|
"SkyBlue1",
|
|
"SkyBlue2",
|
|
"SkyBlue3",
|
|
"SkyBlue4",
|
|
"SlateBlue",
|
|
"SlateBlue1",
|
|
"SlateBlue2",
|
|
"SlateBlue3",
|
|
"SlateBlue4",
|
|
"SlateGray",
|
|
"SlateGray1",
|
|
"SlateGray2",
|
|
"SlateGray3",
|
|
"SlateGray4",
|
|
"SlateGrey",
|
|
"snow",
|
|
"snow1",
|
|
"snow2",
|
|
"snow3",
|
|
"snow4",
|
|
"SpringGreen",
|
|
"SpringGreen1",
|
|
"SpringGreen2",
|
|
"SpringGreen3",
|
|
"SpringGreen4",
|
|
"SteelBlue",
|
|
"SteelBlue1",
|
|
"SteelBlue2",
|
|
"SteelBlue3",
|
|
"SteelBlue4",
|
|
"tan",
|
|
"tan1",
|
|
"tan2",
|
|
"tan3",
|
|
"tan4",
|
|
"teal",
|
|
"thistle",
|
|
"thistle1",
|
|
"thistle2",
|
|
"thistle3",
|
|
"thistle4",
|
|
"tomato",
|
|
"tomato1",
|
|
"tomato2",
|
|
"tomato3",
|
|
"tomato4",
|
|
"turquoise",
|
|
"turquoise1",
|
|
"turquoise2",
|
|
"turquoise3",
|
|
"turquoise4",
|
|
"violet",
|
|
"VioletRed",
|
|
"VioletRed1",
|
|
"VioletRed2",
|
|
"VioletRed3",
|
|
"VioletRed4",
|
|
"wheat",
|
|
"wheat1",
|
|
"wheat2",
|
|
"wheat3",
|
|
"wheat4",
|
|
"white",
|
|
"WhiteSmoke",
|
|
"yellow",
|
|
"yellow1",
|
|
"yellow2",
|
|
"yellow3",
|
|
"yellow4",
|
|
"YellowGreen",
|
|
NULL
|
|
};
|
|
gint i;
|
|
|
|
if (!window)
|
|
{
|
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
gtk_window_set_screen (GTK_WINDOW (window),
|
|
gtk_widget_get_screen (do_widget));
|
|
gtk_window_set_title (GTK_WINDOW (window), "Flow Box");
|
|
gtk_window_set_default_size (GTK_WINDOW (window), 400, 600);
|
|
|
|
g_signal_connect (window, "destroy",
|
|
G_CALLBACK (gtk_widget_destroyed), &window);
|
|
|
|
scrolled = gtk_scrolled_window_new (NULL, NULL);
|
|
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
|
|
flowbox = gtk_flow_box_new ();
|
|
gtk_widget_set_valign (flowbox, GTK_ALIGN_START);
|
|
gtk_flow_box_set_max_children_per_line (GTK_FLOW_BOX (flowbox), 30);
|
|
gtk_flow_box_set_selection_mode (GTK_FLOW_BOX (flowbox), GTK_SELECTION_NONE);
|
|
|
|
gtk_container_add (GTK_CONTAINER (scrolled), flowbox);
|
|
gtk_container_add (GTK_CONTAINER (window), scrolled);
|
|
|
|
for (i = 0; colors[i]; i++)
|
|
gtk_container_add (GTK_CONTAINER (flowbox), color_swatch_new (colors[i]));
|
|
|
|
gtk_widget_show_all (scrolled);
|
|
}
|
|
|
|
if (!gtk_widget_get_visible (window))
|
|
gtk_widget_show (window);
|
|
else
|
|
gtk_widget_destroy (window);
|
|
|
|
return window;
|
|
}
|