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b025ee428c
gtk_builder_connect_signals() is no longer necessary, because all the setup that made it necessary to have this extra step is now done automatically via the closure functions.
44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
/* Cursors
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*
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* Demonstrates a useful set of available cursors. The cursors shown here are the ones
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* defined by CSS, which we assume to be available.
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*
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* The example shows creating cursors by name or from an image, with or without a fallback.
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*/
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#include <gtk/gtk.h>
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static GtkWidget *window = NULL;
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static void
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on_destroy (gpointer data)
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{
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window = NULL;
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}
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GtkWidget *
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do_cursors (GtkWidget *do_widget)
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{
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if (!window)
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{
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GtkBuilder *builder;
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builder = gtk_builder_new_from_resource ("/cursors/cursors.ui");
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window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
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gtk_window_set_display (GTK_WINDOW (window),
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gtk_widget_get_display (do_widget));
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g_signal_connect (window, "destroy",
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G_CALLBACK (on_destroy), NULL);
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g_object_set_data_full (G_OBJECT (window), "builder", builder, g_object_unref);
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}
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if (!gtk_widget_get_visible (window))
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gtk_widget_show (window);
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else
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{
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gtk_widget_destroy (window);
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}
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return window;
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}
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