GTK: Added a redraw timer, since GTK doesn't generate exposure/redraw events...

GTK: Added a redraw timer, since GTK doesn't generate exposure/redraw events every 1 ms like QT does.

xtt/lib/flow/gtk/flow_draw_gtk.cpp

@@ -98,6 +98,7 @@ static GdkColor flow_allocate_color(
 static void event_timer(FlowCtx* ctx, int time_ms);
 static void cancel_event_timer(FlowCtx* ctx);
 static gboolean event_timer_cb(void* ctx);
+static gboolean redraw_timer_cb(void* ctx);
 
 static void flow_create_cursor(FlowDrawGtk* draw_ctx)
 {
@@ -335,6 +336,9 @@ FlowDrawGtk::~FlowDrawGtk()
 {
   closing_down = 1;
 
+  if (redraw_timer)
+    g_source_remove(redraw_timer);
+
   ctx->set_nodraw();
   delete ctx;
   draw_free_gc(this);
@@ -462,6 +466,8 @@ FlowDrawGtk::FlowDrawGtk(GtkWidget* x_toplevel, void** flow_ctx,
   flow_create_cursor(this);
 
   init_proc(toplevel, ctx, client_data);
+
+  redraw_timer = g_timeout_add(40, redraw_timer_cb, this);
 }
 
 void FlowDrawGtk::init_nav(GtkWidget* nav_widget, void* flow_ctx)
@@ -1290,6 +1296,12 @@ static void event_timer(FlowCtx* ctx, int time_ms)
   draw_ctx->timer_id = g_timeout_add(time_ms, event_timer_cb, ctx);
 }
 
+static gboolean redraw_timer_cb(void* data) {
+  FlowDrawGtk* draw_ctx = (FlowDrawGtk*)data;
+  draw_ctx->ctx->redraw_if_dirty();
+  return TRUE;
+}
+
 void FlowDrawGtk::set_timer(FlowCtx* ctx, int time_ms,
     void (*callback_func)(FlowCtx* ctx), void** id)
 {

xtt/lib/flow/gtk/flow_draw_gtk.h

@@ -75,6 +75,7 @@ public:
   GdkColor color_vect[20];
   int color_vect_cnt;
   int closing_down;
+  guint redraw_timer;
 
   FlowDrawGtk(GtkWidget* toplevel, void** flow_ctx,
       int (*init_proc)(GtkWidget* w, FlowCtx* ctx, void* client_data),

xtt/lib/glow/gtk/glow_draw_gtk.cpp

@@ -172,6 +172,7 @@ static GdkColor glow_allocate_custom_color(GlowDrawGtk* draw_ctx,
 static void event_timer(GlowDrawGtk* ctx, int time_ms);
 static void cancel_event_timer(GlowDrawGtk* ctx);
 static gboolean event_timer_cb(void* ctx);
+static gboolean redraw_timer_cb(void* ctx);
 static int glow_read_color_file(
     const char* filename, draw_sColor** color_array, int* size);
 
@@ -532,6 +533,9 @@ GlowDrawGtk::~GlowDrawGtk()
 {
   closing_down = 1;
 
+  if (redraw_timer)
+    g_source_remove(redraw_timer);
+
   ctx->set_nodraw();
   if (ctx->type() == glow_eCtxType_Grow)
     delete (GrowCtx*)ctx;
@@ -620,6 +624,8 @@ GlowDrawGtk::GlowDrawGtk(GtkWidget* toplevel, void** glow_ctx,
   get_window_size(ctx->mw, &ctx->mw->window_width, &ctx->mw->window_height);
   create_buffer(&m_wind);
   init_proc(toplevel, ctx, client_data);
+
+  redraw_timer = g_timeout_add(40, redraw_timer_cb, this);
 }
 
 void GlowDrawGtk::event_handler(GdkEvent event)
@@ -1635,6 +1641,12 @@ static void event_timer(GlowDrawGtk* draw_ctx, int time_ms)
   draw_ctx->timer_id = g_timeout_add(time_ms, event_timer_cb, draw_ctx);
 }
 
+static gboolean redraw_timer_cb(void* data) {
+  GlowDrawGtk* draw_ctx = (GlowDrawGtk*)data;
+  draw_ctx->ctx->redraw_if_dirty();
+  return TRUE;
+}
+
 void GlowDrawGtk::set_timer(
     GlowCtx* gctx, int time_ms, void (*callback_func)(GlowCtx* ctx), void** id)
 {

xtt/lib/glow/gtk/glow_draw_gtk.h

@@ -112,6 +112,7 @@ public:
   int closing_down;
   GlowCustomColorsGtk* customcolors[CUSTOMCOLORS_STACK_SIZE];
   int customcolors_cnt;
+  guint redraw_timer;
 
   void event_handler(GdkEvent event);
   void enable_event(glow_eEvent event, glow_eEventType event_type,