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feature/pgtk 44ed098: Fix double buffering on pgtk
From: |
Po Lu |
Subject: |
feature/pgtk 44ed098: Fix double buffering on pgtk |
Date: |
Sat, 4 Dec 2021 07:33:33 -0500 (EST) |
branch: feature/pgtk
commit 44ed0981535e1baf994b55ede7a975a03a69c960
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>
Fix double buffering on pgtk
* src/pgtkterm.c (pgtk_update_end): Stop flipping buffers here.
(pgtk_frame_up_to_date)
(pgtk_buffer_flipping_unblocked_hook): New function.
(pgtk_create_terminal): Attach new hooks.
(leave_notify_event): Clear mouse face.
---
src/pgtkterm.c | 40 ++++++++++++++++++++++++++++++++++------
1 file changed, 34 insertions(+), 6 deletions(-)
diff --git a/src/pgtkterm.c b/src/pgtkterm.c
index 4c953fa..bf863c8 100644
--- a/src/pgtkterm.c
+++ b/src/pgtkterm.c
@@ -3144,12 +3144,21 @@ pgtk_draw_window_divider (struct window *w, int x0, int
x1, int y0, int y1)
static void
pgtk_update_end (struct frame *f)
{
- GtkWidget *widget = FRAME_GTK_WIDGET (f);
/* Mouse highlight may be displayed again. */
MOUSE_HL_INFO (f)->mouse_face_defer = false;
+}
- gtk_widget_queue_draw (widget);
- flip_cr_context (f);
+static void
+pgtk_frame_up_to_date (struct frame *f)
+{
+ block_input ();
+ FRAME_MOUSE_UPDATE (f);
+ if (!buffer_flipping_blocked_p ())
+ {
+ flip_cr_context (f);
+ gtk_widget_queue_draw (FRAME_GTK_WIDGET (f));
+ }
+ unblock_input ();
}
/* Return the current position of the mouse.
@@ -4612,6 +4621,15 @@ x_new_focus_frame (struct pgtk_display_info *dpyinfo,
struct frame *frame)
pgtk_frame_rehighlight (dpyinfo);
}
+static void
+pgtk_buffer_flipping_unblocked_hook (struct frame *f)
+{
+ block_input ();
+ flip_cr_context (f);
+ gtk_widget_queue_draw (FRAME_GTK_WIDGET (f));
+ unblock_input ();
+}
+
static struct terminal *
pgtk_create_terminal (struct pgtk_display_info *dpyinfo)
/* --------------------------------------------------------------------------
@@ -4631,9 +4649,10 @@ pgtk_create_terminal (struct pgtk_display_info *dpyinfo)
terminal->update_begin_hook = pgtk_update_begin;
terminal->update_end_hook = pgtk_update_end;
terminal->read_socket_hook = pgtk_read_socket;
- /* terminal->frame_up_to_date_hook = pgtk_frame_up_to_date; */
+ terminal->frame_up_to_date_hook = pgtk_frame_up_to_date;
terminal->mouse_position_hook = pgtk_mouse_position;
terminal->frame_rehighlight_hook = XTframe_rehighlight;
+ terminal->buffer_flipping_unblocked_hook =
pgtk_buffer_flipping_unblocked_hook;
/* terminal->frame_raise_lower_hook = pgtk_frame_raise_lower; */
terminal->frame_visible_invisible_hook = pgtk_make_frame_visible_invisible;
terminal->fullscreen_hook = pgtk_fullscreen_hook;
@@ -5555,8 +5574,8 @@ enter_notify_event (GtkWidget * widget, GdkEvent * event,
}
static gboolean
-leave_notify_event (GtkWidget * widget, GdkEvent * event,
- gpointer * user_data)
+leave_notify_event (GtkWidget *widget, GdkEvent *event,
+ gpointer *user_data)
{
union buffered_input_event inev;
struct frame *frame =
@@ -5567,6 +5586,15 @@ leave_notify_event (GtkWidget * widget, GdkEvent * event,
struct frame *focus_frame = dpyinfo->x_focus_frame;
int focus_state
= focus_frame ? focus_frame->output_data.pgtk->focus_state : 0;
+ Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (frame);
+
+ if (frame == hlinfo->mouse_face_mouse_frame)
+ {
+ /* If we move outside the frame, then we're
+ certainly no longer on any text in the frame. */
+ clear_mouse_face (hlinfo);
+ hlinfo->mouse_face_mouse_frame = 0;
+ }
EVENT_INIT (inev.ie);
inev.ie.kind = NO_EVENT;
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