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icon-loader: refactor in preparation for supporting absolute icon names

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No functional change intended.
This commit is contained in:
Johan Malm 2024-09-28 11:20:28 +01:00 • committed by Johan Malm
parent 340733e494
commit be5472a840
1 changed files with 55 additions and 17 deletions
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72
src/icon-loader.c
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@ -4,6 +4,7 @@
#include <sfdo-basedir.h>
#include <wlr/util/log.h>
#include "common/mem.h"
#include "common/string-helpers.h"
#include "config.h"
#include "icon-loader.h"
#include "img/img-png.h"
@ -82,6 +83,45 @@ icon_loader_finish(struct server *server)
server->icon_loader = NULL;
}
struct icon_ctx {
char *path;
enum sfdo_icon_file_format format;
};
/*
* Return 0 on success and -1 on error
* The calling function is responsible for free()ing ctx->path
*/
static int
process_rel_name(struct icon_ctx *ctx, const char *icon_name,
struct icon_loader *loader, int size, int scale)
{
int ret = 0;
int lookup_options = SFDO_ICON_THEME_LOOKUP_OPTIONS_DEFAULT;
#if !HAVE_RSVG
lookup_options |= SFDO_ICON_THEME_LOOKUP_OPTION_NO_SVG;
#endif
struct sfdo_icon_file *icon_file = sfdo_icon_theme_lookup(
loader->icon_theme, icon_name, SFDO_NT, size, scale,
lookup_options);
if (!icon_file || icon_file == SFDO_ICON_FILE_INVALID) {
ret = -1;
goto out;
}
ctx->path = xstrdup(sfdo_icon_file_get_path(icon_file, NULL));
ctx->format = sfdo_icon_file_get_format(icon_file);
out:
sfdo_icon_file_destroy(icon_file);
return ret;
}
static int
process_abs_name(struct icon_ctx *ctx, const char *icon_name)
{
wlr_log(WLR_ERROR, "absolute paths not yet supported");
return -1;
}
struct lab_data_buffer *
icon_loader_lookup(struct server *server, const char *app_id, int size, int scale)
{
@ -96,34 +136,33 @@ icon_loader_lookup(struct server *server, const char *app_id, int size, int scal
if (entry) {
icon_name = sfdo_desktop_entry_get_icon(entry, NULL);
}
struct icon_ctx ctx = {0};
int ret;
if (!icon_name) {
/* fall back to app id */
icon_name = app_id;
ret = process_rel_name(&ctx, app_id, loader, size, scale);
} else if (icon_name[0] == '/') {
ret = process_abs_name(&ctx, icon_name);
} else {
/* this should be the case for most icons */
ret = process_rel_name(&ctx, icon_name, loader, size, scale);
}
int lookup_options = SFDO_ICON_THEME_LOOKUP_OPTIONS_DEFAULT;
#if !HAVE_RSVG
lookup_options |= SFDO_ICON_THEME_LOOKUP_OPTION_NO_SVG;
#endif
struct sfdo_icon_file *icon_file = sfdo_icon_theme_lookup(
loader->icon_theme, icon_name, SFDO_NT, size, scale,
lookup_options);
if (!icon_file || icon_file == SFDO_ICON_FILE_INVALID) {
if (ret < 0) {
return NULL;
}
struct lab_data_buffer *icon_buffer = NULL;
const char *icon_path = sfdo_icon_file_get_path(icon_file, NULL);
wlr_log(WLR_DEBUG, "loading icon file %s", icon_path);
wlr_log(WLR_DEBUG, "loading icon file %s", ctx.path);
switch (sfdo_icon_file_get_format(icon_file)) {
switch (ctx.format) {
case SFDO_ICON_FILE_FORMAT_PNG:
img_png_load(icon_path, &icon_buffer);
img_png_load(ctx.path, &icon_buffer);
break;
case SFDO_ICON_FILE_FORMAT_SVG:
#if HAVE_RSVG
img_svg_load(icon_path, &icon_buffer, size * scale);
img_svg_load(ctx.path, &icon_buffer, size * scale);
#endif
break;
case SFDO_ICON_FILE_FORMAT_XPM:
@ -131,7 +170,6 @@ icon_loader_lookup(struct server *server, const char *app_id, int size, int scal
break;
}
sfdo_icon_file_destroy(icon_file);
free(ctx.path);
return icon_buffer;
}