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theme: round the corner button correctly

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The rounded mask buffer to be applied to the corner button buffer should
be resized and shifted when there's a vertical gap between the button
and the window border.
This commit is contained in:
tokyo4j 2024-10-09 06:41:52 +09:00
parent 707c188975
commit 2055e6d92c
1 changed files with 9 additions and 12 deletions
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21
src/theme.c
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@ -174,14 +174,16 @@ create_rounded_buffer(struct theme *theme, enum corner corner,
int height = theme->window_button_height;
/*
* Round the hover overlay of corner buttons by
* cropping the region within the window border.
* Round the corner button by cropping the region within the window
* border. See the picture in #2189 for reference.
*/
int margin_x = theme->window_titlebar_padding_width;
int margin_y = (theme->title_height - theme->window_button_height) / 2;
float white[4] = {1, 1, 1, 1};
struct rounded_corner_ctx rounded_ctx = {
.box = &(struct wlr_box){
.width = theme->window_titlebar_padding_width + width,
.height = height,
.width = margin_x + width,
.height = margin_y + height,
},
.radius = rc.corner_radius,
.line_width = theme->border_width,
@ -189,16 +191,11 @@ create_rounded_buffer(struct theme *theme, enum corner corner,
.border_color = white,
.corner = corner,
};
int mask_offset;
if (corner == LAB_CORNER_TOP_LEFT) {
mask_offset = -theme->window_titlebar_padding_width;
} else {
mask_offset = 0;
}
struct lab_data_buffer *mask_buffer = rounded_rect(&rounded_ctx);
cairo_set_operator(cairo, CAIRO_OPERATOR_DEST_IN);
cairo_set_source_surface(cairo,
cairo_get_target(mask_buffer->cairo), mask_offset, 0);
cairo_set_source_surface(cairo, cairo_get_target(mask_buffer->cairo),
(corner == LAB_CORNER_TOP_LEFT) ? -margin_x : 0,
-margin_y);
cairo_paint(cairo);
cairo_surface_flush(cairo_get_target(cairo));