forked from AuroraMiddleware/gtk
Add the one missing example from the tutorial, colorsel, to source control.
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3f01e7e533
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1
examples/colorsel/.cvsignore
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1
examples/colorsel/.cvsignore
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colorsel
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14
examples/colorsel/Makefile
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14
examples/colorsel/Makefile
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CC = gcc
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CFLAGS = -Wall \
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-DG_DISABLE_DEPRECATED \
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-DGDK_DISABLE_DEPRECATED \
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-DGDK_PIXBUF_DISABLE_DEPRECATED \
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-DGTK_DISABLE_DEPRECATED
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colorsel: colorsel.c
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$(CC) colorsel.c -o colorsel `pkg-config gtk+-2.0 --cflags --libs`
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clean:
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rm -f *.o colorsel
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129
examples/colorsel/colorsel.c
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129
examples/colorsel/colorsel.c
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#include <glib.h>
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#include <gdk/gdk.h>
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#include <gtk/gtk.h>
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GtkWidget *colorseldlg = NULL;
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GtkWidget *drawingarea = NULL;
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GdkColor color;
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/* Color changed handler */
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void color_changed_cb( GtkWidget *widget,
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GtkColorSelection *colorsel )
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{
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GdkColor ncolor;
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gtk_color_selection_get_current_color (colorsel, &ncolor);
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gtk_widget_modify_bg (drawingarea, GTK_STATE_NORMAL, &ncolor);
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}
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/* Drawingarea event handler */
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gint area_event( GtkWidget *widget,
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GdkEvent *event,
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gpointer client_data )
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{
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gint handled = FALSE;
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gint response;
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GtkColorSelection *colorsel;
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/* Check if we've received a button pressed event */
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if (event->type == GDK_BUTTON_PRESS)
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{
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handled = TRUE;
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/* Create color selection dialog */
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if (colorseldlg == NULL)
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colorseldlg = gtk_color_selection_dialog_new ("Select background color");
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/* Get the ColorSelection widget */
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colorsel = GTK_COLOR_SELECTION (GTK_COLOR_SELECTION_DIALOG (colorseldlg)->colorsel);
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gtk_color_selection_set_previous_color (colorsel, &color);
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gtk_color_selection_set_current_color (colorsel, &color);
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gtk_color_selection_set_has_palette (colorsel, TRUE);
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/* Connect to the "color_changed" signal, set the client-data
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* to the colorsel widget */
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g_signal_connect (G_OBJECT (colorsel), "color_changed",
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G_CALLBACK (color_changed_cb), (gpointer)colorsel);
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/* Show the dialog */
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response = gtk_dialog_run (GTK_DIALOG (colorseldlg));
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if (response == GTK_RESPONSE_OK)
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gtk_color_selection_get_current_color (colorsel, &color);
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else
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gtk_widget_modify_bg (drawingarea, GTK_STATE_NORMAL, &color);
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gtk_widget_hide (colorseldlg);
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}
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return handled;
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}
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/* Close down and exit handler */
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gint destroy_window( GtkWidget *widget,
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GdkEvent *event,
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gpointer client_data )
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{
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gtk_main_quit ();
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return TRUE;
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}
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/* Main */
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gint main( gint argc,
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gchar *argv[] )
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{
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GtkWidget *window;
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/* Initialize the toolkit, remove gtk-related commandline stuff */
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gtk_init (&argc, &argv);
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/* Create toplevel window, set title and policies */
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title (GTK_WINDOW (window), "Color selection test");
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gtk_window_set_policy (GTK_WINDOW (window), TRUE, TRUE, TRUE);
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/* Attach to the "delete" and "destroy" events so we can exit */
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g_signal_connect (GTK_OBJECT (window), "delete_event",
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GTK_SIGNAL_FUNC (destroy_window), (gpointer)window);
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/* Create drawingarea, set size and catch button events */
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drawingarea = gtk_drawing_area_new ();
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color.red = 0;
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color.blue = 65535;
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color.green = 0;
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gtk_widget_modify_bg (drawingarea, GTK_STATE_NORMAL, &color);
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gtk_widget_set_size_request (GTK_WIDGET (drawingarea), 200, 200);
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gtk_widget_set_events (drawingarea, GDK_BUTTON_PRESS_MASK);
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g_signal_connect (GTK_OBJECT (drawingarea), "event",
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GTK_SIGNAL_FUNC (area_event), (gpointer)drawingarea);
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/* Add drawingarea to window, then show them both */
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gtk_container_add (GTK_CONTAINER (window), drawingarea);
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gtk_widget_show (drawingarea);
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gtk_widget_show (window);
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/* Enter the gtk main loop (this never returns) */
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gtk_main ();
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/* Satisfy grumpy compilers */
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return 0;
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}
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