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shared/frame: Provide a function to get decoration sizes and use it 

We need these values to calculate frame extents to properly set
_NET_FRAME_EXTENTS, but we don't want to calculate them twice.

Break out these bits from frame_resize_inside, and update it to use
the new function.

Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This commit is contained in:
Derek Foreman 2022-06-20 12:26:29 -05:00
parent d902088bfc
commit 769e4376c6
2 changed files with 31 additions and 14 deletions
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4
shared/cairo-util.h
View File

@ -161,6 +161,10 @@ frame_width(struct frame *frame);
int32_t
frame_height(struct frame *frame);
void
frame_decoration_sizes(struct frame *frame, int32_t *top, int32_t *bottom,
int32_t *left, int32_t *right);
void
frame_interior(struct frame *frame, int32_t *x, int32_t *y,
int32_t *width, int32_t *height);

41
shared/frame.c
View File

@ -493,27 +493,40 @@ frame_resize(struct frame *frame, int32_t width, int32_t height)
}
void
frame_resize_inside(struct frame *frame, int32_t width, int32_t height)
frame_decoration_sizes(struct frame *frame, int32_t *top, int32_t *bottom,
int32_t *left, int32_t *right)
{
struct theme *t = frame->theme;
int decoration_width, decoration_height, titlebar_height;
/* Top may have a titlebar */
if (frame->title || !wl_list_empty(&frame->buttons))
titlebar_height = t->titlebar_height;
*top = t->titlebar_height;
else
titlebar_height = t->width;
*top = t->width;
if (frame->flags & FRAME_FLAG_MAXIMIZED) {
decoration_width = t->width * 2;
decoration_height = t->width + titlebar_height;
} else {
decoration_width = (t->width + t->margin) * 2;
decoration_height = t->width +
titlebar_height + t->margin * 2;
}
/* All other sides have the basic frame thickness */
*bottom = t->width;
*right = t->width;
*left = t->width;
frame_resize(frame, width + decoration_width,
height + decoration_height);
if (frame->flags & FRAME_FLAG_MAXIMIZED)
return;
/* Not maximized, add shadows */
*top += t->margin;
*bottom += t->margin;
*left += t->margin;
*right += t->margin;
}
void
frame_resize_inside(struct frame *frame, int32_t width, int32_t height)
{
int32_t top, bottom, left, right;
frame_decoration_sizes(frame, &top, &bottom, &left, &right);
frame_resize(frame, width + left + right,
height + top + bottom);
}
int32_t