seamless_mouse: Move pointer only if successfully changed workspace.

If e.g. a window has a popup open then that will lock the current focus,
making a workspace switch denied.

So don't move the mouse pointer in such cases.

include/focus.h

@@ -21,8 +21,8 @@ swayc_t *get_focused_container(swayc_t *parent);
 swayc_t *get_focused_view(swayc_t *parent);
 swayc_t *get_focused_float(swayc_t *ws);
 
-void set_focused_container(swayc_t *container);
-void set_focused_container_for(swayc_t *ancestor, swayc_t *container);
+bool set_focused_container(swayc_t *container);
+bool set_focused_container_for(swayc_t *ancestor, swayc_t *container);
 
 // lock focused container/view. locked by windows with OVERRIDE attribute
 // and unlocked when they are destroyed

include/workspace.h

@@ -10,7 +10,7 @@ extern char *prev_workspace_name;
 char *workspace_next_name(void);
 swayc_t *workspace_create(const char*);
 swayc_t *workspace_by_name(const char*);
-void workspace_switch(swayc_t*);
+bool workspace_switch(swayc_t*);
 swayc_t *workspace_output_next();
 swayc_t *workspace_next();
 swayc_t *workspace_output_prev();

sway/focus.c

@@ -53,11 +53,10 @@ bool move_focus(enum movement_direction direction) {
 	view = get_swayc_in_direction(view, direction);
 	if (view) {
 		if (direction == MOVE_PARENT) {
-			set_focused_container(view);
+			return set_focused_container(view);
 		} else {
-			set_focused_container(get_focused_view(view));
+			return set_focused_container(get_focused_view(view));
 		}
-		return true;
 	}
 	return false;
 }
@@ -73,9 +72,9 @@ swayc_t *get_focused_container(swayc_t *parent) {
 	return parent;
 }
 
-void set_focused_container(swayc_t *c) {
+bool set_focused_container(swayc_t *c) {
 	if (locked_container_focus || !c) {
-		return;
+		return false;
 	}
 	sway_log(L_DEBUG, "Setting focus to %p:%ld", c, c->handle);
 
@@ -84,7 +83,7 @@ void set_focused_container(swayc_t *c) {
 	swayc_t *focused = get_focused_view(workspace);
 	// if the workspace we are changing focus to has a fullscreen view return
 	if (swayc_is_fullscreen(focused) && focused != c) {
-		return;
+		return false;
 	}
 
 	// update container focus from here to root, making necessary changes along
@@ -115,17 +114,18 @@ void set_focused_container(swayc_t *c) {
 			}
 		}
 	}
+	return true;
 }
 
-void set_focused_container_for(swayc_t *a, swayc_t *c) {
+bool set_focused_container_for(swayc_t *a, swayc_t *c) {
 	if (locked_container_focus || !c) {
-		return;
+		return false;
 	}
 	swayc_t *find = c;
 	// Ensure that a is an ancestor of c
 	while (find != a && (find = find->parent)) {
 		if (find == &root_container) {
-			return;
+			return false;
 		}
 	}
 
@@ -134,7 +134,7 @@ void set_focused_container_for(swayc_t *a, swayc_t *c) {
 	swayc_t *focused = get_focused_view(workspace);
 	// if the workspace we are changing focus to has a fullscreen view return
 	if (swayc_is_fullscreen(focused) && c != focused) {
-		return;
+		return false;
 	}
 
 	// Check if we changing a parent container that will see chnage
@@ -147,8 +147,7 @@ void set_focused_container_for(swayc_t *a, swayc_t *c) {
 	}
 	if (effective) {
 		// Go to set_focused_container
-		set_focused_container(c);
-		return;
+		return set_focused_container(c);
 	}
 
 	sway_log(L_DEBUG, "Setting focus for %p:%ld to %p:%ld",
@@ -161,6 +160,7 @@ void set_focused_container_for(swayc_t *a, swayc_t *c) {
 		p = p->parent;
 		p->is_focused = false;
 	}
+	return true;
 }
 
 swayc_t *get_focused_view(swayc_t *parent) {

sway/handlers.c

@@ -377,8 +377,9 @@ static bool handle_pointer_motion(wlc_handle handle, uint32_t time, const struct
 				}
 				if (c->y == output->y && c->x + c->width == output->x) {
 					sway_log(L_DEBUG, "%s is right of %s", output->name, c->name);
-					workspace_switch(c);
-					new_origin.x = c->width;
+					if (workspace_switch(c)) {
+						new_origin.x = c->width;
+					}
 				}
 			}
 		} else if ((double)origin->x == output->width) { // Right edge
@@ -389,8 +390,9 @@ static bool handle_pointer_motion(wlc_handle handle, uint32_t time, const struct
 				}
 				if (c->y == output->y && output->x + output->width == c->x) {
 					sway_log(L_DEBUG, "%s is left of %s", output->name, c->name);
-					workspace_switch(c);
-					new_origin.x = 0;
+					if (workspace_switch(c)) {
+						new_origin.x = 0;
+					}
 				}
 			}
 		}
@@ -402,8 +404,9 @@ static bool handle_pointer_motion(wlc_handle handle, uint32_t time, const struct
 				}
 				if (output->x == c->x && c->y + c->height == output->y) {
 					sway_log(L_DEBUG, "%s is below %s", output->name, c->name);
-					workspace_switch(c);
-					new_origin.y = c->height;
+					if (workspace_switch(c)) {
+						new_origin.y = c->height;
+					}
 				}
 			}
 		} else if ((double)origin->y == output->height) { // Bottom edge
@@ -414,8 +417,9 @@ static bool handle_pointer_motion(wlc_handle handle, uint32_t time, const struct
 				}
 				if (output->x == c->x && output->y + output->height == c->y) {
 					sway_log(L_DEBUG, "%s is above %s", output->name, c->name);
-					workspace_switch(c);
-					new_origin.y = 0;
+					if (workspace_switch(c)) {
+						new_origin.y = 0;
+					}
 				}
 			}
 		}

sway/workspace.c

@@ -198,9 +198,9 @@ swayc_t *workspace_prev() {
 	return workspace_prev_next_impl(swayc_active_workspace(), false);
 }
 
-void workspace_switch(swayc_t *workspace) {
+bool workspace_switch(swayc_t *workspace) {
 	if (!workspace) {
-		return;
+		return false;
 	}
 	swayc_t *active_ws = swayc_active_workspace();
 	if (config->auto_back_and_forth && active_ws == workspace && prev_workspace_name) {
@@ -217,6 +217,9 @@ void workspace_switch(swayc_t *workspace) {
 	}
 
 	sway_log(L_DEBUG, "Switching to workspace %p:%s", workspace, workspace->name);
-	set_focused_container(get_focused_view(workspace));
+	if (!set_focused_container(get_focused_view(workspace))) {
+		return false;
+	}
 	arrange_windows(workspace, -1, -1);
+	return true;
 }