gtk: centralize icon lookup (new icon-resolver), move mappings out of gtkutil/pixmaps, add sane fallback chain + meson hookup

src/fe-gtk/icon-resolver.h

@@ -0,0 +1,89 @@
+#ifndef ZOITECHAT_ICON_RESOLVER_H
+#define ZOITECHAT_ICON_RESOLVER_H
+
+#include <gtk/gtk.h>
+
+typedef enum
+{
+	ICON_RESOLVER_ROLE_MENU_ACTION,
+	ICON_RESOLVER_ROLE_TRAY_STATE,
+	ICON_RESOLVER_ROLE_TREE_TYPE,
+	ICON_RESOLVER_ROLE_USERLIST_RANK
+} IconResolverRole;
+
+typedef enum
+{
+	ICON_RESOLVER_THEME_SYSTEM,
+	ICON_RESOLVER_THEME_LIGHT,
+	ICON_RESOLVER_THEME_DARK
+} IconResolverThemeVariant;
+
+typedef enum
+{
+	ICON_RESOLVER_MENU_ACTION_NEW,
+	ICON_RESOLVER_MENU_ACTION_NETWORK_LIST,
+	ICON_RESOLVER_MENU_ACTION_LOAD_PLUGIN,
+	ICON_RESOLVER_MENU_ACTION_DETACH,
+	ICON_RESOLVER_MENU_ACTION_CLOSE,
+	ICON_RESOLVER_MENU_ACTION_QUIT,
+	ICON_RESOLVER_MENU_ACTION_DISCONNECT,
+	ICON_RESOLVER_MENU_ACTION_CONNECT,
+	ICON_RESOLVER_MENU_ACTION_JOIN,
+	ICON_RESOLVER_MENU_ACTION_PREFERENCES,
+	ICON_RESOLVER_MENU_ACTION_CLEAR,
+	ICON_RESOLVER_MENU_ACTION_COPY,
+	ICON_RESOLVER_MENU_ACTION_DELETE,
+	ICON_RESOLVER_MENU_ACTION_ADD,
+	ICON_RESOLVER_MENU_ACTION_REMOVE,
+	ICON_RESOLVER_MENU_ACTION_SPELL_CHECK,
+	ICON_RESOLVER_MENU_ACTION_SAVE,
+	ICON_RESOLVER_MENU_ACTION_SAVE_AS,
+	ICON_RESOLVER_MENU_ACTION_REFRESH,
+	ICON_RESOLVER_MENU_ACTION_SEARCH,
+	ICON_RESOLVER_MENU_ACTION_FIND,
+	ICON_RESOLVER_MENU_ACTION_PREVIOUS,
+	ICON_RESOLVER_MENU_ACTION_NEXT,
+	ICON_RESOLVER_MENU_ACTION_HELP,
+	ICON_RESOLVER_MENU_ACTION_ABOUT,
+	ICON_RESOLVER_MENU_ACTION_EMOJI,
+	ICON_RESOLVER_MENU_ACTION_UPDATE,
+	ICON_RESOLVER_MENU_ACTION_CHANLIST
+} IconResolverMenuAction;
+
+typedef enum
+{
+	ICON_RESOLVER_TRAY_STATE_NORMAL,
+	ICON_RESOLVER_TRAY_STATE_FILEOFFER,
+	ICON_RESOLVER_TRAY_STATE_HIGHLIGHT,
+	ICON_RESOLVER_TRAY_STATE_MESSAGE
+} IconResolverTrayState;
+
+typedef enum
+{
+	ICON_RESOLVER_TREE_TYPE_CHANNEL,
+	ICON_RESOLVER_TREE_TYPE_DIALOG,
+	ICON_RESOLVER_TREE_TYPE_SERVER,
+	ICON_RESOLVER_TREE_TYPE_UTIL
+} IconResolverTreeType;
+
+typedef enum
+{
+	ICON_RESOLVER_USERLIST_RANK_VOICE,
+	ICON_RESOLVER_USERLIST_RANK_HALFOP,
+	ICON_RESOLVER_USERLIST_RANK_OP,
+	ICON_RESOLVER_USERLIST_RANK_OWNER,
+	ICON_RESOLVER_USERLIST_RANK_FOUNDER,
+	ICON_RESOLVER_USERLIST_RANK_NETOP
+} IconResolverUserlistRank;
+
+const char *icon_resolver_icon_name_from_stock (const char *stock_name);
+const char *icon_resolver_menu_custom_icon_from_stock (const char *stock_name);
+const char *icon_resolver_menu_custom_icon_from_icon_name (const char *icon_name);
+const char *icon_resolver_icon_name_for_menu_custom (const char *custom_icon_name);
+gboolean icon_resolver_menu_action_from_custom (const char *custom_icon_name, int *action_out);
+IconResolverThemeVariant icon_resolver_detect_theme_variant (void);
+char *icon_resolver_resolve_path (IconResolverRole role, int item, GtkIconSize size,
+                                  const char *context, IconResolverThemeVariant variant,
+                                  const char **system_icon_name);
+
+#endif