Alter x11_queue_render interface to better match usage.

[rrace.git] / src / motif.h

diff --git a/src/motif.h b/src/motif.h
index 9064788691c61185150bd13a411af56ae4a5fa5c..076f4f60cfd58da466a9e8b78b02cc3b45a8b3cc 100644 (file)
--- a/src/motif.h
+++ b/src/motif.h
@@ -20,7 +20,6 @@
 #define RRACE_MOTIF_H_
 
 #include <inttypes.h>
-#include "ewmhicon.h"
 #include "colour.h"
 #include "game.h"
 
@@ -34,6 +33,11 @@ struct app_state {
 
        XtIntervalId timer_tick;
 
+       XtIntervalId render_tick;
+       XtWorkProcId render_proc;
+       uint_fast32_t render_game_mask;
+       uint_fast16_t render_goal_mask;
+
        /* If true, the goal will be displayed over the main play area. */
        int view_goal_on_game;
 
@@ -54,4 +58,24 @@ void x11_redraw_icon(struct app_state *state, Widget shell);
 void x11_redraw_goal(struct app_state *state, uint_fast32_t mask);
 void x11_redraw_game(struct app_state *state, uint_fast32_t mask);
 
+/*
+ * Mark tiles for redraw.  The redraw is not performed immediately, but
+ * rather a background task is installed to perform the redraw at a later
+ * time.
+ *
+ * The mode parameter may be one of the following enumerated values:
+ *
+ *   * RENDER_MODE_GAME: mark game tiles for update.
+ *   * RENDER_MODE_GOAL: mark goal tiles for update.
+ *   * RENDER_MODE_BOTH: mark both game and goal tiles for update (probably
+ *                       only useful if mask has all bits set).
+ */
+void x11_queue_render(struct app_state *state, uint_fast32_t mask, int mode);
+
+enum {
+       RENDER_MODE_GOAL = 1,
+       RENDER_MODE_GAME = 2,
+       RENDER_MODE_BOTH = 3
+};
+
 #endif