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ssd: support window icons

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The default `titleLayout` is updated to `icon:iconify,max,close` which
replaces the window menu button with the window icon.

When the icon file is not found or could not be loaded, the window menu
icon as before is shown.

The icon theme can be selected with `<theme><icon>`.

This commit adds libsfdo as an optional dependency. `-Dicon=disabled` can
be passsed to `meson setup` command in order to disable window icon, in
which case the window icon is always replaced with a window menu button.
This commit is contained in:
tokyo4j 2024-09-06 17:00:40 +09:00 • committed by Hiroaki Yamamoto
parent b9414d8b8d
commit a745f91169
32 changed files with 452 additions and 142 deletions
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68
src/theme.c
View file

@ -29,14 +29,14 @@
#include "common/parse-double.h"
#include "common/string-helpers.h"
#include "config/rcxml.h"
#include "button/button-png.h"
#include "img/img-png.h"
#include "labwc.h"
#if HAVE_RSVG
#include "button/button-svg.h"
#include "img/img-svg.h"
#endif
#include "button/button-xbm.h"
#include "img/img-xbm.h"
#include "theme.h"
#include "buffer.h"
#include "ssd.h"
@ -222,6 +222,36 @@ create_hover_fallback(struct theme *theme, const char *icon_name,
}
}
/*
* Scan theme directories with button names (name + postfix) and write the full
* path of the found button file to @buf. An empty string is set if a button
* file is not found.
*/
static void
get_button_filename(char *buf, size_t len, const char *name, const char *postfix)
{
buf[0] = '\0';
char filename[4096];
snprintf(filename, sizeof(filename), "%s%s", name, postfix);
struct wl_list paths;
paths_theme_create(&paths, rc.theme_name, filename);
/*
* You can't really merge buttons, so let's just iterate forwards
* and stop on the first hit
*/
struct path *path;
wl_list_for_each(path, &paths, link) {
if (access(path->string, R_OK) == 0) {
snprintf(buf, len, "%s", path->string);
break;
}
}
paths_destroy(&paths);
}
/*
* We use the following button filename schema: "BUTTON [TOGGLED] [STATE]"
* with the words separated by underscore, and the following meaning:
@ -394,31 +424,31 @@ load_buttons(struct theme *theme)
zdrop(b->inactive.buffer);
/* PNG */
snprintf(filename, sizeof(filename), "%s-active.png", b->name);
button_png_load(filename, b->active.buffer);
snprintf(filename, sizeof(filename), "%s-inactive.png", b->name);
button_png_load(filename, b->inactive.buffer);
get_button_filename(filename, sizeof(filename), b->name, "-active.png");
img_png_load(filename, b->active.buffer);
get_button_filename(filename, sizeof(filename), b->name, "-inactive.png");
img_png_load(filename, b->inactive.buffer);
#if HAVE_RSVG
/* SVG */
int size = theme->title_height - 2 * theme->padding_height;
if (!*b->active.buffer) {
snprintf(filename, sizeof(filename), "%s-active.svg", b->name);
button_svg_load(filename, b->active.buffer, size);
get_button_filename(filename, sizeof(filename), b->name, "-active.svg");
img_svg_load(filename, b->active.buffer, size);
}
if (!*b->inactive.buffer) {
snprintf(filename, sizeof(filename), "%s-inactive.svg", b->name);
button_svg_load(filename, b->inactive.buffer, size);
get_button_filename(filename, sizeof(filename), b->name, "-inactive.svg");
img_svg_load(filename, b->inactive.buffer, size);
}
#endif
/* XBM */
snprintf(filename, sizeof(filename), "%s.xbm", b->name);
get_button_filename(filename, sizeof(filename), b->name, ".xbm");
if (!*b->active.buffer) {
button_xbm_load(filename, b->active.buffer, b->active.rgba);
img_xbm_load(filename, b->active.buffer, b->active.rgba);
}
if (!*b->inactive.buffer) {
button_xbm_load(filename, b->inactive.buffer, b->inactive.rgba);
img_xbm_load(filename, b->inactive.buffer, b->inactive.rgba);
}
/*
@ -426,15 +456,15 @@ load_buttons(struct theme *theme)
* For example max_hover_toggled instead of max_toggled_hover
*/
if (b->alt_name) {
snprintf(filename, sizeof(filename), "%s.xbm", b->alt_name);
get_button_filename(filename, sizeof(filename), b->alt_name, ".xbm");
} else {
filename[0] = '\0';
}
if (!*b->active.buffer) {
button_xbm_load(filename, b->active.buffer, b->active.rgba);
img_xbm_load(filename, b->active.buffer, b->active.rgba);
}
if (!*b->inactive.buffer) {
button_xbm_load(filename, b->inactive.buffer, b->inactive.rgba);
img_xbm_load(filename, b->inactive.buffer, b->inactive.rgba);
}
/*
@ -447,11 +477,11 @@ load_buttons(struct theme *theme)
continue;
}
if (!*b->active.buffer) {
button_xbm_from_bitmap(b->fallback_button,
img_xbm_from_bitmap(b->fallback_button,
b->active.buffer, b->active.rgba);
}
if (!*b->inactive.buffer) {
button_xbm_from_bitmap(b->fallback_button,
img_xbm_from_bitmap(b->fallback_button,
b->inactive.buffer, b->inactive.rgba);
}
}