emacs/src/w32term.c, branch scratch/faster-loaddefs

Implement `display-monitors-changed-functions' on MS Windows

2022-05-22T09:15:10+00:00

* src/w32term.c (w32_read_socket): Handle WM_DISPLAYCHANGE by
sending monitor change events.

; Fix typos

2022-05-15T09:15:06+00:00

Fix some cases of flicker on MS Windows

2022-04-30T11:03:09+00:00

* src/w32term.c (w32_read_socket): Fix typo in check before
flipping buffers.

Fix display updating inside the minibuffer on MS Windows

2022-04-30T10:54:34+00:00

* src/minibuf.c (read_minibuf): Call `w32_flip_buffers_if_dirty'
after changing the cursor position and redisplaying instead of
`flush_frame'.  (bug#55193)

* src/w32term.c (w32_flip_buffers_if_dirty): New function.
* src/w32term.h: Update prototypes.

; * src/w32term.c (w32_read_socket): Add comment for recent change.

2022-04-30T09:35:48+00:00

Adjustments to double buffering on MS Windows

2022-04-30T07:52:12+00:00

* src/w32fns.c (w32_set_inhibit_double_buffering): Add comment
describing double buffering.
(w32_wnd_proc): Respect `w32-disable-double-buffering'.
(globals_of_w32fns): New variable
`w32-disable-double-buffering'.

* src/w32term.c (w32_show_back_buffer): Return immediately if
double buffering is disabled on the frame.
(w32_scroll_run): Use old scrolling code if
`w32-disable-double-buffering' is enabled.
(w32_scroll_bar_clear): Document why we don't clear scroll bars
when double buffering is enabled.
(w32_read_socket): Respect `w32-disable-double-buffering' and
clean up some code.

* src/w32xfns.c (get_frame_dc): Respect
`w32-disable-double-buffering'.

Fix releasing the mouse on top of the tool bar on MS Windows

2022-04-30T05:26:40+00:00

* src/w32term.c (w32_read_socket): Don't handle tool bar clicks
specially for button up events if no tool bar item was
previously pressed.

Fix palette freeing on MS Windows with double buffering

2022-04-30T03:33:38+00:00

* src/w32term.c (w32_release_paint_buffer): Also release target
DC palette.

Implement double buffering on MS Windows

2022-04-30T03:20:46+00:00

* etc/NEWS: Announce changes.
* src/w32fns.c (w32_set_inhibit_double_buffering): New function.
(w32_wnd_proc):
(Fx_create_frame):
(w32_create_tip_frame): Set `inhibit-double-buffering' parameter.
(w32_frame_parm_handlers): Add new handler.

* src/w32term.c (w32_show_back_buffer):
(w32_release_paint_buffer): New functions.
(w32_frame_up_to_date): Show back buffer if applicable.
(w32_buffer_flipping_unblocked_hook): New hook.
(w32_scroll_run): Use BitBlt to scroll instead of window
scrolling functions.
(w32_scroll_bar_clear): Don't clear scroll bars when double
buffered.
(w32_read_socket): Flip buffers after reading input events in
some cases.
(w32_free_frame_resources): Free back buffer.
(w32_create_terminal): Add new hook.

* src/w32term.h (struct w32_output): New fields for handling
back buffers.
* src/w32xfns.c (select_palette): Fix indentation.
(get_frame_dc, release_frame_dc): Return back buffer when
appropriate and set dirty flag.

Use native image APIs on MS-Windows by default

2022-03-26T08:52:41+00:00

* src/w32term.c (syms_of_w32term) : Now
t by default on W2K and later systems, but only on WINDOWSNT
builds.

* etc/NEWS: Announce the change.