Merge pull request #54 from Luminarys/master

Added in basic floating support

6 files changed, 245 insertions, 12 deletions

diff --git a/include/container.h b/include/container.h
index dd934be6..e395a55b 100644
--- a/include/container.h
+++ b/include/container.h
@@ -36,16 +36,24 @@ struct sway_container {
 	// Not including borders or margins
 	int width, height;
 
+	// Used for setting floating geometry
+	int desired_width, desired_height;
+
 	int x, y;
 
 	bool visible;
 
+	bool is_floating;
+
 	int weight;
 
 	char *name;
 
 	list_t *children;
 
+	// Special list for floating windows in workspaces
+	list_t *floating;
+
 	struct sway_container *parent;
 	struct sway_container *focused;
 };
@@ -57,6 +65,8 @@ swayc_t *new_workspace(swayc_t * output, const char *name);
 swayc_t *new_container(swayc_t *child, enum swayc_layouts layout);
 //Creates view as a sibling of current focused container, or as child of a workspace
 swayc_t *new_view(swayc_t *sibling, wlc_handle handle);
+//Creates view as a new floating view which is in the active workspace
+swayc_t *new_floating_view(wlc_handle handle);
 
 
 swayc_t *destroy_output(swayc_t *output);
diff --git a/sway/commands.c b/sway/commands.c
index f0db4ed2..5035316e 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -13,6 +13,7 @@
 #include "workspace.h"
 #include "commands.h"
 #include "container.h"
+#include "handlers.h"
 
 struct modifier_key {
 	char *name;
@@ -169,6 +170,77 @@ static bool cmd_exit(struct sway_config *config, int argc, char **argv) {
 	return true;
 }
 
+static bool cmd_floating(struct sway_config *config, int argc, char **argv) {
+	if (strcasecmp(argv[0], "toggle") == 0) {
+		swayc_t *view = get_focused_container(&root_container);
+		// Prevent running floating commands on things like workspaces
+		if (view->type != C_VIEW) {
+			return true;
+		}
+		int i;
+		// Change from nonfloating to floating
+		if (!view->is_floating) {
+			view->is_floating = true;
+			for (i = 0; i < view->parent->children->length; i++) {
+				if (view->parent->children->items[i] == view) {
+					// Try to use desired geometry to set w/h
+					if (view->desired_width != -1) {
+						view->width = view->desired_width;
+					}
+					if (view->desired_height != -1) {
+						view->height = view->desired_height;
+					}
+
+					// Swap from the list of whatever container the view was in
+					// to the workspace->floating list
+					list_del(view->parent->children, i);
+					list_add(active_workspace->floating, view);
+					destroy_container(view->parent);
+
+					// Set the new position of the container and arrange windows
+					view->x = (active_workspace->width - view->width)/2;
+					view->y = (active_workspace->height - view->height)/2;
+					sway_log(L_INFO, "Setting container %p to floating at coordinates X:%d Y:%d, W:%d, H:%d", view, view->x, view->y, view->width, view->height);
+					// Change parent to active_workspace
+					view->parent = active_workspace;
+					arrange_windows(active_workspace, -1, -1);
+					return true;
+				}
+			}
+		} else {
+			// Delete the view from the floating list and unset its is_floating flag
+			// Using length-1 as the index is safe because the view must be the currently
+			// focused floating output
+			list_del(active_workspace->floating, active_workspace->floating->length - 1);
+			view->is_floating = false;
+			active_workspace->focused = NULL;
+			// Get the properly focused container, and add in the view there
+			swayc_t *focused = focus_pointer();
+			// If focused is null, it's because the currently focused container is a workspace
+			if (focused == NULL) {
+				focused = active_workspace;
+			}
+
+			sway_log(L_DEBUG, "Non-floating focused container is %p", focused);
+
+			//Case of focused workspace, just create as child of it
+			if (focused->type == C_WORKSPACE) {
+				add_child(focused, view);
+			}
+			//Regular case, create as sibling of current container
+			else {
+				add_sibling(focused, view);
+			}
+			// Refocus on the view once its been put back into the layout
+			focus_view(view);
+			arrange_windows(active_workspace, -1, -1);
+			return true;
+		}
+	}
+
+	return true;
+}
+
 static bool cmd_focus(struct sway_config *config, int argc, char **argv) {
 	if (!checkarg(argc, "focus", EXPECTED_EQUAL_TO, 1)) {
 		return false;
@@ -378,6 +450,7 @@ static struct cmd_handler handlers[] = {
 	{ "exec", cmd_exec },
 	{ "exec_always", cmd_exec_always },
 	{ "exit", cmd_exit },
+	{ "floating", cmd_floating },
 	{ "focus", cmd_focus },
 	{ "focus_follows_mouse", cmd_focus_follows_mouse },
 	{ "fullscreen", cmd_fullscreen },
diff --git a/sway/container.c b/sway/container.c
index 4321b6ce..231876c5 100644
--- a/sway/container.c
+++ b/sway/container.c
@@ -81,6 +81,7 @@ swayc_t *new_workspace(swayc_t * output, const char *name) {
 	workspace->height = output->height;
 	workspace->name = strdup(name);
 	workspace->visible = true;
+	workspace->floating = create_list();
 
 	add_child(output, workspace);
 	return workspace;
@@ -134,6 +135,12 @@ swayc_t *new_view(swayc_t *sibling, wlc_handle handle) {
 	view->name = strdup(title);
 	view->visible = true;
 
+	view->desired_width = -1;
+	view->desired_height = -1;
+
+	// TODO: properly set this
+	view->is_floating = false;
+
 	//Case of focused workspace, just create as child of it
 	if (sibling->type == C_WORKSPACE) {
 		add_child(sibling, view);
@@ -145,6 +152,38 @@ swayc_t *new_view(swayc_t *sibling, wlc_handle handle) {
 	return view;
 }
 
+swayc_t *new_floating_view(wlc_handle handle) {
+	const char   *title = wlc_view_get_title(handle);
+	swayc_t *view = new_swayc(C_VIEW);
+	sway_log(L_DEBUG, "Adding new view %u:%s as a floating view",
+		(unsigned int)handle, title);
+	//Setup values
+	view->handle = handle;
+	view->name = strdup(title);
+	view->visible = true;
+
+	// Set the geometry of the floating view
+	const struct wlc_geometry* geometry = wlc_view_get_geometry(handle);
+
+	view->x = geometry->origin.x;
+	view->y = geometry->origin.y;
+	view->width = geometry->size.w;
+	view->height = geometry->size.h;
+
+	view->desired_width = view->width;
+	view->desired_height = view->height;
+
+	view->is_floating = true;
+
+	//Case of focused workspace, just create as child of it
+	list_add(active_workspace->floating, view);
+	view->parent = active_workspace;
+	if (active_workspace->focused == NULL) {
+		active_workspace->focused = view;
+	}
+	return view;
+}
+
 
 swayc_t *destroy_output(swayc_t *output) {
 	if (output->children->length == 0) {
@@ -192,23 +231,32 @@ swayc_t *destroy_view(swayc_t *view) {
 	if (parent->type == C_CONTAINER) {
 		return destroy_container(parent);
 	}
+
 	return parent;
 }
 
-
 swayc_t *find_container(swayc_t *container, bool (*test)(swayc_t *view, void *data), void *data) {
 	if (!container->children) {
 		return NULL;
 	}
+	// Special case for checking floating stuff
 	int i;
+	if (container->type == C_WORKSPACE) {
+		for (i = 0; i < container->floating->length; ++i) {
+			swayc_t *child = container->floating->items[i];
+			if (test(child, data)) {
+				return child;
+			}
+		}
+	}
 	for (i = 0; i < container->children->length; ++i) {
 		swayc_t *child = container->children->items[i];
 		if (test(child, data)) {
 			return child;
 		} else {
-			swayc_t *_ = find_container(child, test, data);
-			if (_) {
-				return _;
+			swayc_t *res = find_container(child, test, data);
+			if (res) {
+				return res;
 			}
 		}
 	}
diff --git a/sway/handlers.c b/sway/handlers.c
index 3e83b850..77e8f237 100644
--- a/sway/handlers.c
+++ b/sway/handlers.c
@@ -10,6 +10,7 @@
 #include "handlers.h"
 #include "stringop.h"
 #include "workspace.h"
+#include "container.h"
 
 static struct wlc_origin mouse_origin;
 
@@ -88,17 +89,24 @@ static void handle_output_focused(wlc_handle output, bool focus) {
 static bool handle_view_created(wlc_handle handle) {
 	swayc_t *focused = get_focused_container(&root_container);
 	uint32_t type = wlc_view_get_type(handle);
-	//If override_redirect/unmanaged/popup/modal/splach
+	// If override_redirect/unmanaged/popup/modal/splach
 	if (type) {
 		sway_log(L_DEBUG,"Unmanaged window of type %x left alone", type);
 		wlc_view_set_state(handle, WLC_BIT_ACTIVATED, true);
 		if (type & WLC_BIT_UNMANAGED) {
 			return true;
 		}
-		//for things like Dmenu
+		// For things like Dmenu
 		if (type & WLC_BIT_OVERRIDE_REDIRECT) {
 			wlc_view_focus(handle);
 		}
+
+		// Float popups
+		if (type & WLC_BIT_POPUP) {
+			swayc_t *view = new_floating_view(handle);
+			focus_view(view);
+			arrange_windows(active_workspace, -1, -1);
+		}
 	} else {
 		swayc_t *view = new_view(focused, handle);
 		//Set maximize flag for windows.
@@ -118,6 +126,24 @@ static bool handle_view_created(wlc_handle handle) {
 
 static void handle_view_destroyed(wlc_handle handle) {
 	sway_log(L_DEBUG, "Destroying window %u", (unsigned int)handle);
+
+	// Properly handle unmanaged views
+	uint32_t type = wlc_view_get_type(handle);
+	if (type) {
+		wlc_view_set_state(handle, WLC_BIT_ACTIVATED, true);
+		sway_log(L_DEBUG,"Unmanaged window of type %x was destroyed", type);
+		if (type & WLC_BIT_UNMANAGED) {
+			focus_view(focus_pointer());
+			arrange_windows(active_workspace, -1, -1);
+			return;
+		} 
+
+		if (type & WLC_BIT_OVERRIDE_REDIRECT) {
+			focus_view(focus_pointer());
+			arrange_windows(active_workspace, -1, -1);
+			return;
+		}
+	}
 	swayc_t *view = get_swayc_for_handle(handle, &root_container);
 	swayc_t *parent;
 	swayc_t *focused = get_focused_container(&root_container);
@@ -135,8 +161,23 @@ static void handle_view_focus(wlc_handle view, bool focus) {
 	return;
 }
 
-static void handle_view_geometry_request(wlc_handle view, const struct wlc_geometry* geometry) {
-	// deny that shit
+static void handle_view_geometry_request(wlc_handle handle, const struct wlc_geometry* geometry) {
+	// If the view is floating, then apply the geometry.
+	// Otherwise save the desired width/height for the view.
+	// This will not do anything for the time being as WLC improperly sends geometry requests
+	swayc_t *view = get_swayc_for_handle(handle, &root_container);
+	if (view) {
+		view->desired_width = geometry->size.w;
+		view->desired_height = geometry->size.h;
+
+		if (view->is_floating) {
+			view->width = view->desired_width;
+			view->height = view->desired_height;
+			view->x = geometry->origin.x;
+			view->y = geometry->origin.y;
+			arrange_windows(view->parent, -1, -1);
+		}	
+	}
 }
 
 static void handle_view_state_request(wlc_handle view, enum wlc_view_state_bit state, bool toggle) {
diff --git a/sway/layout.c b/sway/layout.c
index 4407742a..1bc65050 100644
--- a/sway/layout.c
+++ b/sway/layout.c
@@ -65,10 +65,20 @@ swayc_t *replace_child(swayc_t *child, swayc_t *new_child) {
 
 swayc_t *remove_child(swayc_t *parent, swayc_t *child) {
 	int i;
-	for (i = 0; i < parent->children->length; ++i) {
-		if (parent->children->items[i] == child) {
-			list_del(parent->children, i);
-			break;
+	// Special case for floating views
+	if (child->is_floating) {
+		for (i = 0; i < parent->floating->length; ++i) {
+			if (parent->floating->items[i] == child) {
+				list_del(parent->floating, i);
+				break;
+			}
+		}
+	} else {
+		for (i = 0; i < parent->children->length; ++i) {
+			if (parent->children->items[i] == child) {
+				list_del(parent->children, i);
+				break;
+			}
 		}
 	}
 	if (parent->focused == child) {
@@ -192,6 +202,33 @@ void arrange_windows(swayc_t *container, int width, int height) {
 		}
 		break;
 	}
+
+	// Arrage floating layouts for workspaces last
+	if (container->type == C_WORKSPACE) {
+		for (i = 0; i < container->floating->length; ++i) {
+			swayc_t *view = ((swayc_t *)container->floating->items[i]);
+			// Set the geometry
+			struct wlc_geometry geometry = {
+				.origin = {
+					.x = view->x,
+					.y = view->y
+				},
+				.size = {
+					.w = view->width,
+					.h = view->height
+				}
+			};
+			wlc_view_set_geometry(view->handle, &geometry);
+
+			// Bring the views to the front in order of the list, the list
+			// will be kept up to date so that more recently focused views
+			// have higher indexes
+			// This is conditional on there not being a fullscreen view in the workspace
+			if (!(wlc_view_get_state(container->focused->handle) & WLC_BIT_FULLSCREEN)) {
+				wlc_view_bring_to_front(view->handle);
+			}
+		}
+	}
 	layout_log(&root_container, 0);
 }
 
@@ -199,7 +236,18 @@ swayc_t *get_swayc_for_handle(wlc_handle handle, swayc_t *parent) {
 	if (parent->children == NULL) {
 		return NULL;
 	}
+
+	// Search for floating workspaces
 	int i;
+	if (parent->type == C_WORKSPACE) {
+		for (i = 0; i < parent->floating->length; ++i) {
+			swayc_t *child = parent->floating->items[i];
+			if (child->handle == handle) {
+				return child;
+			}
+		}
+	}
+
 	for (i = 0; i < parent->children->length; ++i) {
 		swayc_t *child = parent->children->items[i];
 		if (child->handle == handle) {
diff --git a/sway/workspace.c b/sway/workspace.c
index 4db75f48..df646445 100644
--- a/sway/workspace.c
+++ b/sway/workspace.c
@@ -255,5 +255,18 @@ void layout_log(const swayc_t *c, int depth) {
 		for (i = 0; i < depth; ++i) fputc(' ', stderr);
 		fprintf(stderr,")\n");
 	}
+	if (c->type == C_WORKSPACE) {
+		e = c->floating?c->floating->length:0;
+		for (i = 0; i < depth; ++i) fputc(' ', stderr);
+		if (e) {
+			for (i = 0; i < depth; ++i) fputc(' ', stderr);
+			fprintf(stderr,"(\n");
+			for (i = 0; i < e; ++i) {
+				layout_log(c->floating->items[i], depth + 1);
+			}
+			for (i = 0; i < depth; ++i) fputc(' ', stderr);
+			fprintf(stderr,")\n");
+		}
+	}
 }
 /* XXX:DEBUG:XXX */