decorations: add SetDecorations action

docs/labwc-actions.5.scd

@@ -120,6 +120,17 @@ Actions are used in menus and keyboard/mouse bindings.
 	upper-left corner of the window associated with the action. Default is
 	yes.
 
+*<action name="SetDecorations" decorations="value" forceSSD="no" />*
+	Set decorations of focused window.
+
+	*decorations* [full|border|none] *full* enables the whole server side
+	decorations. With *border*. only the borders and invisible resize area
+	are enabled. *none* disables everything.
+
+	*forceSSD* [yes|no] If this is no, this action will be ignored for
+	windows that have client side decorations if it would increase the
+	amount of decoration. Default is no.
+
 *<action name="ToggleDecorations" />*
 	Toggle decorations of focused window.
 

include/ssd.h

@@ -98,6 +98,7 @@ enum ssd_part_type ssd_get_part_type(const struct ssd *ssd,
 uint32_t ssd_resize_edges(enum ssd_part_type type);
 bool ssd_is_button(enum ssd_part_type type);
 bool ssd_part_contains(enum ssd_part_type whole, enum ssd_part_type candidate);
+enum ssd_mode ssd_mode_parse(const char *mode);
 
 /* TODO: clean up / update */
 struct border ssd_thickness(struct view *view);

include/view.h

@@ -486,6 +486,7 @@ bool view_is_floating(struct view *view);
 void view_move_to_workspace(struct view *view, struct workspace *workspace);
 enum ssd_mode view_get_ssd_mode(struct view *view);
 void view_set_ssd_mode(struct view *view, enum ssd_mode mode);
+void view_set_decorations(struct view *view, enum ssd_mode mode, bool force_ssd);
 void view_toggle_fullscreen(struct view *view);
 void view_invalidate_last_layout_geometry(struct view *view);
 void view_adjust_for_layout_change(struct view *view);

src/action.c

@@ -79,6 +79,7 @@ enum action_type {
 	ACTION_TYPE_TOGGLE_MAXIMIZE,
 	ACTION_TYPE_MAXIMIZE,
 	ACTION_TYPE_TOGGLE_FULLSCREEN,
+	ACTION_TYPE_SET_DECORATIONS,
 	ACTION_TYPE_TOGGLE_DECORATIONS,
 	ACTION_TYPE_TOGGLE_ALWAYS_ON_TOP,
 	ACTION_TYPE_TOGGLE_ALWAYS_ON_BOTTOM,
@@ -135,6 +136,7 @@ const char *action_names[] = {
 	"ToggleMaximize",
 	"Maximize",
 	"ToggleFullscreen",
+	"SetDecorations",
 	"ToggleDecorations",
 	"ToggleAlwaysOnTop",
 	"ToggleAlwaysOnBottom",
@@ -347,6 +349,17 @@ action_arg_from_xml_node(struct action *action, const char *nodename, const char
 			goto cleanup;
 		}
 		break;
+	case ACTION_TYPE_SET_DECORATIONS:
+		if (!strcmp(argument, "decorations")) {
+			enum ssd_mode mode = ssd_mode_parse(content);
+			action_arg_add_int(action, argument, mode);
+			goto cleanup;
+		}
+		if (!strcasecmp(argument, "forceSSD")) {
+			action_arg_add_bool(action, argument, parse_bool(content, false));
+			goto cleanup;
+		}
+		break;
 	case ACTION_TYPE_RESIZE_RELATIVE:
 		if (!strcmp(argument, "left") || !strcmp(argument, "right") ||
 				!strcmp(argument, "top") || !strcmp(argument, "bottom")) {
@@ -806,6 +819,15 @@ actions_run(struct view *activator, struct server *server,
 				view_toggle_fullscreen(view);
 			}
 			break;
+		case ACTION_TYPE_SET_DECORATIONS:
+			if (view) {
+				enum ssd_mode mode = action_get_int(action,
+					"decorations", LAB_SSD_MODE_FULL);
+				bool force_ssd = action_get_bool(action,
+					"forceSSD", false);
+				view_set_decorations(view, mode, force_ssd);
+			}
+			break;
 		case ACTION_TYPE_TOGGLE_DECORATIONS:
 			if (view) {
 				view_toggle_decorations(view);

src/ssd/ssd.c

@@ -7,6 +7,7 @@
  */
 
 #include <assert.h>
+#include <strings.h>
 #include "common/mem.h"
 #include "common/scene-helpers.h"
 #include "labwc.h"
@@ -344,6 +345,21 @@ ssd_part_contains(enum ssd_part_type whole, enum ssd_part_type candidate)
 	return false;
 }
 
+enum ssd_mode
+ssd_mode_parse(const char *mode)
+{
+	if (!mode) {
+		return LAB_SSD_MODE_FULL;
+	}
+	if (!strcasecmp(mode, "none")) {
+		return LAB_SSD_MODE_NONE;
+	} else if (!strcasecmp(mode, "border")) {
+		return LAB_SSD_MODE_BORDER;
+	} else {
+		return LAB_SSD_MODE_FULL;
+	}
+}
+
 void
 ssd_set_active(struct ssd *ssd, bool active)
 {

src/view.c

@@ -1249,6 +1249,17 @@ view_wants_decorations(struct view *view)
 	}
 }
 
+void
+view_set_decorations(struct view *view, enum ssd_mode mode, bool force_ssd)
+{
+	assert(view);
+
+	if (force_ssd || !view_wants_decorations(view)
+			|| mode < view_get_ssd_mode(view)) {
+		view_set_ssd_mode(view, mode);
+	}
+}
+
 void
 view_toggle_decorations(struct view *view)
 {