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common/graphic-helpers: Add cairo helpers

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Consolatis 2022-08-20 20:11:58 +02:00 • committed by Johan Malm
parent 8c8583ef94
commit fb36463c34
4 changed files with 48 additions and 61 deletions
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38
src/workspaces.c
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@ -9,6 +9,7 @@
#include <strings.h>
#include "labwc.h"
#include "common/font.h"
#include "common/graphic-helpers.h"
#include "common/zfree.h"
#include "workspaces.h"
@ -45,33 +46,6 @@ parse_workspace_index(const char *name)
return index;
}
/*
* TODO: set_source and draw_border are straight up copies from src/osd.c
* find some proper place for them instead of duplicating stuff.
*/
static void
set_source(cairo_t *cairo, float *c)
{
cairo_set_source_rgba(cairo, c[0], c[1], c[2], c[3]);
}
static void
draw_border(cairo_t *cairo, double width, double height, double line_width)
{
cairo_save(cairo);
double x, y, w, h;
/* The anchor point of a line is in the center */
x = y = line_width / 2;
w = width - line_width;
h = height - line_width;
cairo_set_line_width(cairo, line_width);
cairo_rectangle(cairo, x, y, w, h);
cairo_stroke(cairo);
cairo_restore(cairo);
}
static void
_osd_update(struct server *server)
{
@ -110,18 +84,18 @@ _osd_update(struct server *server)
cairo = buffer->cairo;
/* Background */
set_source(cairo, theme->osd_bg_color);
set_cairo_color(cairo, theme->osd_bg_color);
cairo_rectangle(cairo, 0, 0, width, height);
cairo_fill(cairo);
/* Border */
set_source(cairo, theme->osd_border_color);
draw_border(cairo, width, height, theme->osd_border_width);
set_cairo_color(cairo, theme->osd_border_color);
draw_cairo_border(cairo, width, height, theme->osd_border_width);
uint16_t x = (width - marker_width) / 2;
wl_list_for_each(workspace, &server->workspaces, link) {
bool active = workspace == server->workspace_current;
set_source(cairo, server->theme->osd_label_text_color);
set_cairo_color(cairo, server->theme->osd_label_text_color);
cairo_rectangle(cairo, x, margin,
rect_width - padding, rect_height);
cairo_stroke(cairo);
@ -134,7 +108,7 @@ _osd_update(struct server *server)
}
/* Text */
set_source(cairo, server->theme->osd_label_text_color);
set_cairo_color(cairo, server->theme->osd_label_text_color);
PangoLayout *layout = pango_cairo_create_layout(cairo);
pango_layout_set_width(layout, (width - 2 * margin) * PANGO_SCALE);
pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_END);