Make sure we don't miss queue redraws between commit and ack.

diff --git a/terminal.c b/terminal.c
index f210341..923539e 100644 (file)
--- a/terminal.c
+++ b/terminal.c
@@ -53,7 +53,7 @@ static const char socket_name[] = "\0wayland";
 struct terminal {
        struct window *window;
        struct wl_display *display;
-       int resize_scheduled;
+       int redraw_scheduled, redraw_pending;
        char *data;
        int width, height, tail, row, column, total_rows;
        int fd, master;
@@ -126,6 +126,17 @@ idle_redraw(void *data)
 #define STATE_SKIP_TO_ALPHA 1
 
 static void
+terminal_schedule_redraw(struct terminal *terminal)
+{
+       if (!terminal->redraw_scheduled) {
+               g_idle_add(idle_redraw, terminal);
+               terminal->redraw_scheduled = 1;
+       } else {
+               terminal->redraw_pending = 1;
+       }
+}
+
+static void
 terminal_data(struct terminal *terminal, const char *data, size_t length)
 {
        int i;
@@ -171,6 +182,8 @@ terminal_data(struct terminal *terminal, const char *data, size_t length)
                        break;
                }
        }
+
+       terminal_schedule_redraw(terminal);
 }
 
 static void
@@ -178,10 +191,7 @@ resize_handler(struct window *window, int32_t width, int32_t height, void *data)
 {
        struct terminal *terminal = data;
 
-       if (!terminal->resize_scheduled) {
-               g_idle_add(idle_redraw, terminal);
-               terminal->resize_scheduled = 1;
-       }
+       terminal_schedule_redraw(terminal);
 }
 
 static void
@@ -189,8 +199,13 @@ acknowledge_handler(struct window *window, uint32_t key, void *data)
 {
        struct terminal *terminal = data;
 
-       terminal->resize_scheduled = 0;
+       terminal->redraw_scheduled = 0;
        buffer_destroy(terminal->buffer, terminal->fd);
+
+       if (terminal->redraw_pending) {
+               terminal->redraw_pending = 0;
+               terminal_schedule_redraw(terminal);
+       }
 }
 
 struct key {
@@ -319,7 +334,7 @@ terminal_create(struct wl_display *display, int fd)
        terminal->window = window_create(display, fd, "Wayland Terminal",
                                         500, 100, 500, 400);
        terminal->display = display;
-       terminal->resize_scheduled = 1;
+       terminal->redraw_scheduled = 1;
        terminal->width = 80;
        terminal->height = 25;
        size = (terminal->width + 1) * terminal->height;
@@ -348,11 +363,6 @@ io_handler(GIOChannel   *source,
 
        terminal_data(terminal, buffer, bytes_read);
 
-       if (!terminal->resize_scheduled) {
-               g_idle_add(idle_redraw, terminal);
-               terminal->resize_scheduled = 1;
-       }
-
        return TRUE;
 }