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container: align titlebar rects to fractional grid

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Signed-off-by: Loukas Agorgianitis <loukas@agorgianitis.com>
This commit is contained in:
Loukas Agorgianitis 2025-04-29 14:55:15 +03:00
parent d4de6f3201
commit 4b475266e0
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GPG key ID: DDC6FA7D5BB332E6
2 changed files with 76 additions and 34 deletions
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2
include/sway/tree/container.h
View file

@ -360,6 +360,8 @@ bool container_is_sticky_or_child(struct sway_container *con);
*/
int container_squash(struct sway_container *con);
float container_scale_factor(struct sway_container *con);
void container_arrange_title_bar(struct sway_container *con);
void container_update(struct sway_container *con);

108
sway/tree/container.c
View file

@ -316,9 +316,9 @@ void container_update_itself_and_parents(struct sway_container *con) {
}
}
static void update_rect_list(struct wlr_scene_tree *tree, pixman_region32_t *region) {
static void update_rect_list(struct wlr_scene_tree *tree, pixman_region64f_t *region) {
int len;
const pixman_box32_t *rects = pixman_region32_rectangles(region, &len);
const pixman_box64f_t *rects = pixman_region64f_rectangles(region, &len);
wlr_scene_node_set_enabled(&tree->node, len > 0);
if (len == 0) {
@ -332,27 +332,42 @@ static void update_rect_list(struct wlr_scene_tree *tree, pixman_region32_t *reg
wlr_scene_node_set_enabled(&rect->node, i < len);
if (i < len) {
const pixman_box32_t *box = &rects[i++];
const pixman_box64f_t *box = &rects[i++];
wlr_scene_node_set_position(&rect->node, box->x1, box->y1);
wlr_scene_rect_set_size(rect, box->x2 - box->x1, box->y2 - box->y1);
}
}
}
float container_scale_factor(struct sway_container *con) {
struct sway_workspace *ws = con->pending.workspace
? con->pending.workspace
: con->current.workspace;
if (ws) {
return ws->output->wlr_output->scale;
}
return 1.0f;
}
static double align_to_fractional(double scale, double value) {
return round(value * scale) / scale;
}
void container_arrange_title_bar(struct sway_container *con) {
enum alignment title_align = config->title_align;
float scale = container_scale_factor(con);
int marks_buffer_width = 0;
int width = con->title_width;
int height = container_titlebar_height();
double width = align_to_fractional(scale, con->title_width);
double height = align_to_fractional(scale, container_titlebar_height());
pixman_region32_t text_area;
pixman_region32_init(&text_area);
pixman_region64f_t text_area;
pixman_region64f_init(&text_area);
if (con->title_bar.marks_text) {
struct sway_text_node *node = con->title_bar.marks_text;
marks_buffer_width = node->width;
int h_padding;
double h_padding;
if (title_align == ALIGN_RIGHT) {
h_padding = config->titlebar_h_padding;
} else {
@ -360,68 +375,93 @@ void container_arrange_title_bar(struct sway_container *con) {
}
h_padding = MAX(h_padding, config->titlebar_h_padding);
h_padding = align_to_fractional(scale, h_padding);
int alloc_width = MIN((int)node->width,
double v_padding = (height - node->height) / 2.0;
v_padding = align_to_fractional(scale, v_padding);
double alloc_width = MIN(node->width,
width - h_padding - config->titlebar_h_padding);
alloc_width = MAX(alloc_width, 0);
sway_text_node_set_max_width(node, alloc_width);
wlr_scene_node_set_position(node->node,
h_padding, (height - node->height) >> 1);
double text_width = align_to_fractional(scale, alloc_width);
double text_height = align_to_fractional(scale, node->height);
pixman_region32_union_rect(&text_area, &text_area,
node->node->x, node->node->y, alloc_width, node->height);
sway_text_node_set_max_width(node, text_width);
wlr_scene_node_set_position(node->node, h_padding, v_padding);
pixman_region64f_union_rectf(&text_area, &text_area,
node->node->x, node->node->y, text_width, text_height);
}
if (con->title_bar.title_text) {
struct sway_text_node *node = con->title_bar.title_text;
int h_padding;
double h_padding;
if (title_align == ALIGN_RIGHT) {
h_padding = width - config->titlebar_h_padding - node->width;
} else if (title_align == ALIGN_CENTER) {
h_padding = ((int)width - marks_buffer_width - node->width) >> 1;
h_padding = (width - marks_buffer_width - node->width) / 2.0;
} else {
h_padding = config->titlebar_h_padding;
}
h_padding = MAX(h_padding, config->titlebar_h_padding);
h_padding = align_to_fractional(scale, h_padding);
int alloc_width = MIN((int) node->width,
double v_padding = (height - node->height) / 2.0;
v_padding = align_to_fractional(scale, v_padding);
double alloc_width = MIN(node->width,
width - h_padding - config->titlebar_h_padding);
alloc_width = MAX(alloc_width, 0);
sway_text_node_set_max_width(node, alloc_width);
wlr_scene_node_set_position(node->node,
h_padding, (height - node->height) >> 1);
double text_width = align_to_fractional(scale, alloc_width);
double text_height = align_to_fractional(scale, node->height);
pixman_region32_union_rect(&text_area, &text_area,
node->node->x, node->node->y, alloc_width, node->height);
sway_text_node_set_max_width(node, text_width);
wlr_scene_node_set_position(node->node, h_padding, v_padding);
pixman_region64f_union_rectf(&text_area, &text_area,
node->node->x, node->node->y, text_width, text_height);
}
// silence pixman errors
if (width <= 0 || height <= 0) {
pixman_region32_fini(&text_area);
pixman_region64f_fini(&text_area);
return;
}
pixman_region32_t background, border;
int thickness = config->titlebar_border_thickness;
pixman_region32_init_rect(&background,
thickness, thickness,
width - thickness * 2, height - thickness * 2);
pixman_region32_init_rect(&border, 0, 0, width, height);
pixman_region32_subtract(&border, &border, &background);
pixman_region32_subtract(&background, &background, &text_area);
pixman_region32_fini(&text_area);
double border_x1 = 0,
border_y1 = 0;
double border_size = align_to_fractional(scale, thickness);
double background_x1 = align_to_fractional(scale, border_x1 + border_size),
background_y1 = align_to_fractional(scale, border_y1 + border_size);
double background_x2 = align_to_fractional(scale, width - border_size),
background_y2 = align_to_fractional(scale, height - border_size);
double border_x2 = align_to_fractional(scale, width),
border_y2 = align_to_fractional(scale, height);
pixman_region64f_t background, border;
pixman_region64f_init_rectf(&background,
background_x1, background_y1,
background_x2 - background_x1, background_y2 - background_y1);
pixman_region64f_init_rectf(&border,
border_x1, border_y1,
border_x2 - border_x1, border_y2 - border_y1);
pixman_region64f_subtract(&border, &border, &background);
pixman_region64f_subtract(&background, &background, &text_area);
pixman_region64f_fini(&text_area);
update_rect_list(con->title_bar.background, &background);
pixman_region32_fini(&background);
pixman_region64f_fini(&background);
update_rect_list(con->title_bar.border, &border);
pixman_region32_fini(&border);
pixman_region64f_fini(&border);
container_update(con);
}