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60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
#include <gtk/gtk.h>
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static void rgba_changed (GtkColorChooser *chooser, GParamSpec *pspec, gpointer data);
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static void
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text_activated (GtkEntry *entry, gpointer data)
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{
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GtkColorChooser *chooser = data;
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GdkRGBA rgba;
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const char *text;
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text = gtk_editable_get_text (GTK_EDITABLE (entry));
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g_signal_handlers_block_by_func (entry, rgba_changed, entry);
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if (gdk_rgba_parse (&rgba, text))
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gtk_color_chooser_set_rgba (chooser, &rgba);
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g_signal_handlers_unblock_by_func (entry, rgba_changed, entry);
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}
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static void
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rgba_changed (GtkColorChooser *chooser, GParamSpec *pspec, gpointer data)
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{
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GtkWidget *entry = data;
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GdkRGBA color;
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char *s;
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gtk_color_chooser_get_rgba (chooser, &color);
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s = gdk_rgba_to_string (&color);
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g_signal_handlers_block_by_func (entry, text_activated, chooser);
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gtk_editable_set_text (GTK_EDITABLE (entry), s);
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g_signal_handlers_unblock_by_func (entry, text_activated, chooser);
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g_free (s);
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}
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int main (int argc, char *argv[])
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{
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GtkWidget *window;
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GtkWidget *chooser;
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GtkWidget *entry;
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GtkBuilder *builder;
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gtk_init ();
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builder = gtk_builder_new_from_file ("testcolorchooser2.ui");
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window = GTK_WIDGET (gtk_builder_get_object (builder, "window1"));
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chooser = GTK_WIDGET (gtk_builder_get_object (builder, "chooser"));
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entry = GTK_WIDGET (gtk_builder_get_object (builder, "entry"));
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g_signal_connect (chooser, "notify::rgba", G_CALLBACK (rgba_changed), entry);
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g_signal_connect (entry, "activate", G_CALLBACK (text_activated), chooser);
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gtk_widget_show (window);
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gtk_main ();
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return 0;
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}
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