Commit d0fa3e56 authored by Eli Zaretskii's avatar Eli Zaretskii

(x_check_fullscreen, x_check_fullscreen_move)

(x_fullscreen_adjust): New functions.
(XTread_socket) <Expose>: Call x_check_fullscreen.
<ConfigureNotify>: Don't resize to fullscreen.  Call
x_check_fullscreen_move, and set the want_fullscreen member of
parent cf225974
......@@ -490,6 +490,8 @@ static void x_scroll_bar_report_motion P_ ((struct frame **, Lisp_Object *,
enum scroll_bar_part *,
Lisp_Object *, Lisp_Object *,
unsigned long *));
static void x_check_fullscreen P_ ((struct frame *));
static void x_check_fullscreen_move P_ ((struct frame *));
/* Flush display of frame F, or of all frames if F is null. */
......@@ -10243,6 +10245,8 @@ XTread_socket (sd, bufp, numchars, expected)
f = x_window_to_frame (dpyinfo, event.xexpose.window);
if (f)
x_check_fullscreen (f);
if (f->async_visible == 0)
f->async_visible = 1;
......@@ -10844,9 +10848,18 @@ XTread_socket (sd, bufp, numchars, expected)
f = x_top_window_to_frame (dpyinfo, event.xconfigure.window);
if (f)
/* If there is a pending resize for fullscreen, don't
do this one, the right one will come later.
The toolkit version doesn't seem to need this, but we
need to reset it below. */
int dont_resize =
((f->output_data.x->want_fullscreen & FULLSCREEN_WAIT)
&& FRAME_NEW_WIDTH (f) != 0);
int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height);
int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width);
if (dont_resize)
goto OTHER;
/* In the toolkit version, change_frame_size
is called by the code that handles resizing
......@@ -10874,6 +10887,10 @@ XTread_socket (sd, bufp, numchars, expected)
x_real_positions (f, &f->output_data.x->left_pos,
if (f->output_data.x->want_fullscreen & FULLSCREEN_WAIT)
f->output_data.x->want_fullscreen &=
#ifdef HAVE_X_I18N
if (FRAME_XIC (f) && (FRAME_XIC_STYLE (f) & XIMStatusArea))
xic_set_statusarea (f);
......@@ -12643,6 +12660,114 @@ x_set_offset (f, xoff, yoff, change_gravity)
/* Check if we need to resize the frame due to a fullscreen request.
If so needed, resize the frame. */
static void
x_check_fullscreen (f)
struct frame *f;
if (f->output_data.x->want_fullscreen & FULLSCREEN_BOTH)
int width, height, ign;
x_real_positions (f, &f->output_data.x->left_pos,
x_fullscreen_adjust (f, &width, &height, &ign, &ign);
/* We do not need to move the window, it shall be taken care of
when setting WM manager hints.
If the frame is visible already, the position is checked by
x_check_fullscreen_move. */
if (f->width != width || f->height != height)
change_frame_size (f, height, width, 0, 1, 0);
cancel_mouse_face (f);
/* Wait for the change of frame size to occur */
f->output_data.x->want_fullscreen |= FULLSCREEN_WAIT;
/* If frame parameters are set after the frame is mapped, we need to move
the window. This is done in xfns.c.
Some window managers moves the window to the right position, some
moves the outer window manager window to the specified position.
Here we check that we are in the right spot. If not, make a second
move, assuming we are dealing with the second kind of window manager. */
static void
x_check_fullscreen_move (f)
struct frame *f;
if (f->output_data.x->want_fullscreen & FULLSCREEN_MOVE_WAIT)
int expect_top = f->output_data.x->top_pos;
int expect_left = f->output_data.x->left_pos;
if (f->output_data.x->want_fullscreen & FULLSCREEN_HEIGHT)
expect_top = 0;
if (f->output_data.x->want_fullscreen & FULLSCREEN_WIDTH)
expect_left = 0;
if (expect_top != f->output_data.x->top_pos
|| expect_left != f->output_data.x->left_pos)
x_set_offset (f, expect_left, expect_top, 1);
/* Just do this once */
f->output_data.x->want_fullscreen &= ~FULLSCREEN_MOVE_WAIT;
/* Calculate fullscreen size. Return in *TOP_POS and *LEFT_POS the
wanted positions of the WM window (not emacs window).
Return in *WIDTH and *HEIGHT the wanted width and height of Emacs
window (FRAME_X_WINDOW).
x_fullscreen_adjust (f, width, height, top_pos, left_pos)
struct frame *f;
int *width;
int *height;
int *top_pos;
int *left_pos;
int newwidth = f->width, newheight = f->height;
*top_pos = f->output_data.x->top_pos;
*left_pos = f->output_data.x->left_pos;
if (f->output_data.x->want_fullscreen & FULLSCREEN_HEIGHT)
int ph;
ph = FRAME_X_DISPLAY_INFO (f)->height;
newheight = PIXEL_TO_CHAR_HEIGHT (f, ph);
ph = CHAR_TO_PIXEL_HEIGHT (f, newheight)
- f->output_data.x->y_pixels_diff;
newheight = PIXEL_TO_CHAR_HEIGHT (f, ph);
*top_pos = 0;
if (f->output_data.x->want_fullscreen & FULLSCREEN_WIDTH)
int pw;
pw = FRAME_X_DISPLAY_INFO (f)->width;
newwidth = PIXEL_TO_CHAR_WIDTH (f, pw);
pw = CHAR_TO_PIXEL_WIDTH (f, newwidth)
- f->output_data.x->x_pixels_diff;
newwidth = PIXEL_TO_CHAR_WIDTH (f, pw);
*left_pos = 0;
*width = newwidth;
*height = newheight;
/* Change the size of frame F's X window to COLS/ROWS in the case F
doesn't have a widget. If CHANGE_GRAVITY is 1, we change to
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