GdkPixbuf* vfs_app_desktop_get_icon( VFSAppDesktop* app, int size, gboolean use_fallback )
{
GtkIconTheme* theme;
char *icon_name = NULL, *suffix;
GdkPixbuf* icon = NULL;
if( app->icon_name )
{
if( g_path_is_absolute( app->icon_name) )
{
icon = gdk_pixbuf_new_from_file_at_scale( app->icon_name,
size, size, TRUE, NULL );
}
else
{
theme = gtk_icon_theme_get_default();
suffix = strchr( app->icon_name, '.' );
if( suffix ) /* has file extension, it's a basename of icon file */
{
/* try to find it in pixmaps dirs */
icon = load_icon_file( app->icon_name, size );
if( G_UNLIKELY( ! icon ) ) /* unfortunately, not found */
{
/* Let's remove the suffix, and see if this name can match an icon
in current icon theme */
icon_name = g_strndup( app->icon_name,
(suffix - app->icon_name) );
icon = vfs_load_icon( theme, icon_name, size );
g_free( icon_name );
}
}
else /* no file extension, it could be an icon name in the icon theme */
{
icon = vfs_load_icon( theme, app->icon_name, size );
}
}
}
if( G_UNLIKELY( ! icon ) && use_fallback ) /* fallback to generic icon */
{
theme = gtk_icon_theme_get_default();
icon = vfs_load_icon( theme, "application-x-executable", size );
if( G_UNLIKELY( ! icon ) ) /* fallback to generic icon */
{
icon = vfs_load_icon( theme, "gnome-mime-application-x-executable", size );
}
}
return icon;
}
void replace_icon(const wstring& pe_path, const wstring& ico_path) {
list<IconRsrc> icons;
RsrcModule module(pe_path);
list<RsrcId> group_ids = enum_rsrc_names(module.handle(), RT_GROUP_ICON);
for_each(group_ids.cbegin(), group_ids.cend(), [&] (const RsrcId& id) {
list<WORD> lang_ids = enum_rsrc_langs(module.handle(), RT_GROUP_ICON, id);
for_each(lang_ids.cbegin(), lang_ids.cend(), [&] (WORD lang_id) {
icons.push_back(load_icon_rsrc(module.handle(), id, lang_id));
});
});
module.close();
ResourceUpdate rupdate(pe_path);
// delete existing icons
for_each(icons.cbegin(), icons.cend(), [&] (const IconRsrc& icon) {
for_each (icon.images.cbegin(), icon.images.cend(), [&] (const IconImageRsrc& image) {
rupdate.update(RT_ICON, MAKEINTRESOURCE(image.id), image.lang_id, nullptr, 0);
});
rupdate.update(RT_GROUP_ICON, icon.id, icon.lang_id, nullptr, 0);
});
WORD lang_id;
if (!icons.empty())
lang_id = icons.front().lang_id;
else
lang_id = MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL);
IconFile icon_file = load_icon_file(ico_path);
IconRsrc icon_rsrc;
icon_rsrc.lang_id = lang_id;
for_each(icon_file.cbegin(), icon_file.cend(), [&] (const IconImage& image) {
IconImageRsrc image_rsrc;
image_rsrc.lang_id = lang_id;
image_rsrc.image = image;
icon_rsrc.images.push_back(image_rsrc);
});
// drop first icon (all languages)
if (!icons.empty()) {
RsrcId id = icons.front().id;
while (!icons.empty() && icons.front().id == id)
icons.pop_front();
}
icons.push_front(icon_rsrc);
// renumber resource ids
WORD icon_id = 1;
WORD image_id = 1;
for_each(icons.begin(), icons.end(), [&] (IconRsrc& icon) {
if (icon.id.is_int()) {
icon.id = MAKEINTRESOURCE(icon_id);
icon_id++;
}
for_each(icon.images.begin(), icon.images.end(), [&] (IconImageRsrc& image) {
image.id = image_id;
image_id++;
});
});
// write new icons
for_each(icons.cbegin(), icons.cend(), [&] (const IconRsrc& icon) {
Buffer<unsigned char> buf(sizeof(IconGroupHeader) + icon.images.size() * sizeof(IconGroupEntry));
IconGroupHeader* header = reinterpret_cast<IconGroupHeader*>(buf.data());
header->reserved = 0;
header->type = 1;
header->count = static_cast<WORD>(icon.images.size());
unsigned offset = sizeof(IconGroupHeader);
for_each (icon.images.cbegin(), icon.images.cend(), [&] (const IconImageRsrc& image) {
IconGroupEntry* entry = reinterpret_cast<IconGroupEntry*>(buf.data() + offset);
entry->width = image.image.width;
entry->height = image.image.height;
entry->color_cnt = image.image.color_cnt;
entry->reserved = 0;
entry->plane_cnt = image.image.plane_cnt;
entry->bit_cnt = image.image.bit_cnt;
entry->size = static_cast<DWORD>(image.image.bitmap.size());
entry->id = image.id;
rupdate.update(RT_ICON, MAKEINTRESOURCE(image.id), image.lang_id, image.image.bitmap.data(), static_cast<DWORD>(image.image.bitmap.size()));
offset += sizeof(IconGroupEntry);
});
rupdate.update(RT_GROUP_ICON, icon.id, icon.lang_id, buf.data(), static_cast<DWORD>(buf.size()));
});
rupdate.finalize();
}
