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aece642adb
Make sure users get the idea that clutter_init()
has a return value that needs to be checked.
These were fixed via sed magic:
sed -i -s -e "s/clutter_init (.*)/\
if (& != CLUTTER_INIT_SUCCESS)\n return 1/"\
doc/*/*/*.{c,xml} doc/*/*.xml
http://bugzilla.clutter-project.org/show_bug.cgi?id=2574
153 lines
5.2 KiB
C
153 lines
5.2 KiB
C
#include <stdlib.h>
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#include <clutter/clutter.h>
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#define FONT "Sans 20px"
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static const ClutterColor stage_color = { 0x33, 0x33, 0x55, 0xff };
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static const ClutterColor yellow_color = { 0xaa, 0xaa, 0x00, 0xff };
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static const ClutterColor black_color = { 0x00, 0x00, 0x00, 0xff };
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static void
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menu_run_option (ClutterActor *actor,
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ClutterEvent *event,
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gpointer user_data)
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{
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g_debug ("%s pressed", (gchar *) user_data);
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}
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static void
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menu_add_option (ClutterBox *menu,
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gchar *text,
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gchar *shortcut)
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{
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ClutterActor *entry;
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entry = clutter_box_new (clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
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CLUTTER_BIN_ALIGNMENT_CENTER));
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clutter_box_set_color (CLUTTER_BOX (entry), &black_color);
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clutter_actor_set_width (entry, 250);
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clutter_actor_set_reactive (entry, TRUE);
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clutter_box_pack (CLUTTER_BOX (entry),
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clutter_text_new_full (FONT, text, &yellow_color),
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"x-align", CLUTTER_BIN_ALIGNMENT_START,
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NULL);
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clutter_box_pack (CLUTTER_BOX (entry),
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clutter_text_new_full (FONT, shortcut, &yellow_color),
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"x-align", CLUTTER_BIN_ALIGNMENT_END,
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NULL);
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clutter_container_add_actor (CLUTTER_CONTAINER (menu), entry);
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g_signal_connect (entry,
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"button-press-event",
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G_CALLBACK (menu_run_option),
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text);
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}
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static void
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menu_toggle (ClutterActor *actor,
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ClutterEvent *event,
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gpointer user_data)
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{
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ClutterAnimation *animation;
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ClutterActor *menu = CLUTTER_ACTOR (user_data);
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if (clutter_actor_get_animation (menu))
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return;
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if (clutter_actor_get_opacity (menu) > 0)
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{
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animation = clutter_actor_animate (menu, CLUTTER_EASE_OUT_CUBIC, 200,
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"opacity", 0,
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NULL);
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/* hide the menu once it is fully transparent */
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g_signal_connect_swapped (animation,
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"completed",
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G_CALLBACK (clutter_actor_hide),
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menu);
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}
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else
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{
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clutter_actor_show (menu);
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clutter_actor_animate (menu, CLUTTER_EASE_OUT_CUBIC, 200,
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"opacity", 255,
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NULL);
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}
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}
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int
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main (int argc,
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char *argv[])
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{
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ClutterActor *stage;
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ClutterActor *button;
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ClutterLayoutManager *menu_layout;
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ClutterActor *menu;
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if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
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return 1;
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stage = clutter_stage_get_default ();
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clutter_actor_set_size (stage, 400, 400);
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clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
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g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
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/* button */
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button = clutter_box_new (clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
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CLUTTER_BIN_ALIGNMENT_CENTER));
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clutter_actor_set_width (button, 100);
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clutter_actor_set_position (button, 50, 50);
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clutter_actor_set_reactive (button, TRUE);
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clutter_box_set_color (CLUTTER_BOX (button), &black_color);
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clutter_box_pack (CLUTTER_BOX (button),
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clutter_text_new_full (FONT, "Edit", &yellow_color),
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"x-align", CLUTTER_BIN_ALIGNMENT_FILL,
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"y-align", CLUTTER_BIN_ALIGNMENT_FILL,
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NULL);
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/* menu */
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menu_layout = clutter_box_layout_new ();
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clutter_box_layout_set_homogeneous (CLUTTER_BOX_LAYOUT (menu_layout), TRUE);
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clutter_box_layout_set_vertical (CLUTTER_BOX_LAYOUT (menu_layout), TRUE);
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clutter_box_layout_set_spacing (CLUTTER_BOX_LAYOUT (menu_layout), 2);
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menu = clutter_box_new (menu_layout);
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clutter_box_set_color (CLUTTER_BOX (menu), &yellow_color);
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menu_add_option (CLUTTER_BOX (menu), "Undo", "Ctrl-z");
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menu_add_option (CLUTTER_BOX (menu), "Redo", "Ctrl-Shift-z");
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menu_add_option (CLUTTER_BOX (menu), "Cut", "Ctrl-x");
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menu_add_option (CLUTTER_BOX (menu), "Copy", "Ctrl-c");
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menu_add_option (CLUTTER_BOX (menu), "Paste", "Ctrl-v");
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/* align left-hand side of menu with left-hand side of button */
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clutter_actor_add_constraint (menu, clutter_align_constraint_new (button,
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CLUTTER_ALIGN_X_AXIS,
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0.0));
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/* align top of menu with the bottom of the button */
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clutter_actor_add_constraint (menu, clutter_bind_constraint_new (button,
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CLUTTER_BIND_Y,
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clutter_actor_get_height (button)));
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/* hide the menu until we're ready to animate it in */
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clutter_actor_set_opacity (menu, 0);
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clutter_actor_hide (menu);
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/* clicking on the button toggles the menu */
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g_signal_connect (button, "button-press-event", G_CALLBACK (menu_toggle), menu);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), menu);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), button);
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clutter_actor_show (stage);
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clutter_main ();
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return EXIT_SUCCESS;
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}
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