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1.1.19
by Sebastien Bacher
Import upstream version 3.4.2 |
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#include <gtk/gtk.h> |
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static void |
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color_changed (GObject *o, GParamSpec *pspect, gpointer data) |
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{
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GdkRGBA color; |
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gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (o), &color); |
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g_print ("color changed: %g %g %g %g\n", |
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color.red, color.green, color.blue, color.alpha); |
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}
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static void |
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dialog_response (GtkDialog *dialog, gint response) |
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{
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GdkRGBA color; |
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switch (response) |
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{
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case GTK_RESPONSE_OK: |
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gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (dialog), &color); |
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g_print ("color accepted: %g %g %g %g\n", |
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color.red, color.green, color.blue, color.alpha); |
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break; |
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default: |
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g_print ("canceled\n"); |
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break; |
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}
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gtk_main_quit (); |
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}
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int
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main (int argc, char *argv[]) |
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{
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GtkWidget *dialog; |
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gint i; |
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gtk_init (NULL, NULL); |
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dialog = gtk_color_chooser_dialog_new ("Select a color", NULL); |
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for (i = 1; i < argc; i++) |
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{
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if (g_strcmp0 (argv[i], "--no-alpha") == 0) |
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{
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g_print ("turning alpha off\n"); |
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gtk_color_chooser_set_use_alpha (GTK_COLOR_CHOOSER (dialog), FALSE); |
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}
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else if (g_strcmp0 (argv[i], "--edit") == 0) |
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{
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g_print ("starting in edit mode\n"); |
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g_object_set (dialog, "show-editor", TRUE, NULL); |
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}
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else if (g_strcmp0 (argv[i], "--palette") == 0) |
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{
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const gchar *c[9] = { "red", "maroon", "yellow", "green", "blue", "magenta", "DarkOliveGreen4", "khaki2", "thistle1" }; |
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GdkRGBA color; |
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GdkRGBA colors[9*9]; |
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gint i,j; |
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gdouble f[5] = { 0.2, 0.35, 0.5, 0.65, 0.8 }; |
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g_print ("setting custom palette\n"); |
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for (i = 0; i < 9; i++) |
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{
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gdk_rgba_parse (&color, c[i]); |
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for (j = 0; j < 5; j++) |
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{
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colors[i*9 + j].red = f[j]*color.red; |
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colors[i*9 + j].green = f[j]*color.green; |
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colors[i*9 + j].blue = f[j]*color.blue; |
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colors[i*9 + j].alpha = 1; |
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}
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for (j = 5; j < 9; j++) |
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{
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colors[i*9 + j].red = f[9-j]*color.red + (1-f[9-j]); |
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colors[i*9 + j].green = f[9-j]*color.green + (1-f[9-j]); |
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colors[i*9 + j].blue = f[9-j]*color.blue + (1-f[9-j]); |
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colors[i*9 + j].alpha = 1; |
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}
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}
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gtk_color_chooser_add_palette (GTK_COLOR_CHOOSER (dialog), |
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GTK_ORIENTATION_VERTICAL, |
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9, 9*9, |
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colors); |
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}
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else if (g_strcmp0 (argv[i], "--no-palette") == 0) |
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{
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gtk_color_chooser_add_palette (GTK_COLOR_CHOOSER (dialog), |
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GTK_ORIENTATION_VERTICAL, 0, 0, NULL); |
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}
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}
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g_signal_connect (dialog, "notify::color", G_CALLBACK (color_changed), NULL); |
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g_signal_connect (dialog, "response", G_CALLBACK (dialog_response), NULL); |
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gtk_widget_show_all (dialog); |
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gtk_main (); |
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return 0; |
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}
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