Merge pull request #566 from mikkeloscar/tabbed-stacking-layout

Tabbed and stacked layout

include/border.h

@@ -3,6 +3,11 @@
 #include <wlc/wlc.h>
 #include "container.h"
 
+struct border {
+	unsigned char *buffer;
+	struct wlc_geometry geometry;
+};
+
 void render_view_borders(wlc_handle view);
 void update_view_border(swayc_t *view);
 void map_update_view_border(swayc_t *view, void *data);

include/container.h

@@ -2,9 +2,12 @@
 #define _SWAY_CONTAINER_H
 #include <sys/types.h>
 #include <wlc/wlc.h>
+
+#include "list.h"
+
 typedef struct sway_container swayc_t;
 
-#include "layout.h"
+extern swayc_t root_container;
 
 /**
  * Different kinds of containers.
@@ -56,6 +59,7 @@ struct sway_container {
 
 	enum swayc_types type;
 	enum swayc_layouts layout;
+	enum swayc_layouts prev_layout;
 
 	/**
 	 * Width and height of this container, without borders or gaps.
@@ -74,6 +78,12 @@ struct sway_container {
 	 */
 	double x, y;
 
+	/**
+	 * Cached geometry used to store view/container geometry when switching
+	 * between tabbed/stacked and horizontal/vertical layouts.
+	 */
+	struct wlc_geometry cached_geometry;
+
 	/**
 	 * False if this view is invisible. It could be in the scratchpad or on a
 	 * workspace that is not shown.
@@ -119,7 +129,7 @@ struct sway_container {
 	 * If this container is a view, this may be set to the window's decoration
 	 * buffer (or NULL).
 	 */
-	unsigned char *border;
+	struct border *border;
 	enum swayc_border_types border_type;
 	struct wlc_geometry border_geometry;
 	struct wlc_geometry title_bar_geometry;
@@ -240,6 +250,13 @@ bool swayc_is_parent_of(swayc_t *parent, swayc_t *child);
  * Returns true if the child is a desecendant of the parent.
  */
 bool swayc_is_child_of(swayc_t *child, swayc_t *parent);
+
+/**
+ * Returns the top most tabbed or stacked parent container. Returns NULL if
+ * view is not in a tabbed/stacked layout.
+ */
+swayc_t *swayc_tabbed_stacked_parent(swayc_t *view);
+
 /**
  * Returns the gap (padding) of the container.
  *

include/layout.h

@@ -7,8 +7,6 @@
 #include "container.h"
 #include "focus.h"
 
-extern swayc_t root_container;
-
 extern list_t *scratchpad;
 
 extern int min_sane_w;
@@ -55,6 +53,10 @@ void move_container_to(swayc_t* container, swayc_t* destination);
 void move_workspace_to(swayc_t* workspace, swayc_t* destination);
 
 // Layout
+/**
+ * Update child container geometries when switching between layouts.
+ */
+void update_layout_geometry(swayc_t *parent, enum swayc_layouts prev_layout);
 void update_geometry(swayc_t *view);
 void arrange_windows(swayc_t *container, double width, double height);
 
@@ -67,4 +69,9 @@ void recursive_resize(swayc_t *container, double amount, enum wlc_resize_edge ed
 void layout_log(const swayc_t *c, int depth);
 void swayc_log(log_importance_t verbosity, swayc_t *cont, const char* format, ...) __attribute__((format(printf,3,4)));
 
+/**
+ * Get default layout.
+ */
+enum swayc_layouts default_layout(swayc_t *output);
+
 #endif

sway/border.c

@@ -20,28 +20,31 @@ void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
 		(color >> (3*8) & 0xFF) / 255.0);
 }
 
-static cairo_t *create_border_buffer(swayc_t *view, struct wlc_geometry geo, cairo_surface_t **surface) {
+static cairo_t *create_border_buffer(swayc_t *view, struct wlc_geometry g, cairo_surface_t **surface) {
+	if (view->border == NULL) {
+		view->border = malloc(sizeof(struct border));
+	}
 	cairo_t *cr;
-	view->border_geometry = geo;
-	int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, geo.size.w);
-	view->border = calloc(stride * geo.size.h, sizeof(unsigned char));
-	if (!view->border) {
+	int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, g.size.w);
+	view->border->buffer = calloc(stride * g.size.h, sizeof(unsigned char));
+	view->border->geometry = g;
+	if (!view->border->buffer) {
 		sway_log(L_DEBUG, "Unable to allocate buffer");
 		return NULL;
 	}
-	*surface = cairo_image_surface_create_for_data(view->border,
-			CAIRO_FORMAT_ARGB32, geo.size.w, geo.size.h, stride);
+	*surface = cairo_image_surface_create_for_data(view->border->buffer,
+			CAIRO_FORMAT_ARGB32, g.size.w, g.size.h, stride);
 	if (cairo_surface_status(*surface) != CAIRO_STATUS_SUCCESS) {
 		free(view->border);
-		view->border = NULL;
+		view->border->buffer = NULL;
 		sway_log(L_DEBUG, "Unable to allocate surface");
 		return NULL;
 	}
 	cr = cairo_create(*surface);
 	if (cairo_status(cr) != CAIRO_STATUS_SUCCESS) {
 		cairo_surface_destroy(*surface);
-		free(view->border);
-		view->border = NULL;
+		free(view->border->buffer);
+		view->border->buffer = NULL;
 		sway_log(L_DEBUG, "Unable to create cairo context");
 		return NULL;
 	}
@@ -91,16 +94,20 @@ int get_font_text_height(const char *font) {
 	return height;
 }
 
-static void render_borders(swayc_t *view, cairo_t *cr, struct border_colors *colors) {
+static void render_borders(swayc_t *view, cairo_t *cr, struct border_colors *colors, bool top) {
+	struct wlc_geometry *g = &view->border->geometry;
 	struct wlc_geometry *b = &view->border_geometry;
 	struct wlc_geometry *v = &view->actual_geometry;
 
+	int x = b->origin.x - g->origin.x;
+	int y = b->origin.y - g->origin.y;
+
 	// left border
 	int left_border = v->origin.x - b->origin.x;
 	if (left_border > 0) {
 		render_sharp_line(cr,
 				colors->child_border,
-				0, 0,
+				x, y,
 				left_border,
 				b->size.h);
 	}
@@ -110,18 +117,18 @@ static void render_borders(swayc_t *view, cairo_t *cr, struct border_colors *col
 	if (right_border > 0) {
 		render_sharp_line(cr,
 				colors->child_border,
-				b->size.w - right_border,
-				0,
+				x + b->size.w - right_border,
+				y,
 				right_border,
 				b->size.h);
 	}
 
 	// top border
 	int top_border = v->origin.y - b->origin.y;
-	if (top_border > 0) {
+	if (top && top_border > 0) {
 		render_sharp_line(cr,
 				colors->child_border,
-				0, 0,
+				x, y,
 				b->size.w,
 				top_border);
 	}
@@ -131,45 +138,63 @@ static void render_borders(swayc_t *view, cairo_t *cr, struct border_colors *col
 	if (bottom_border > 0) {
 		render_sharp_line(cr,
 				colors->child_border,
-				0,
-				b->size.h - bottom_border,
+				x,
+				y + b->size.h - bottom_border,
 				b->size.w,
 				bottom_border);
 	}
 }
 
-static void render_with_title_bar(swayc_t *view, cairo_t *cr, struct border_colors *colors) {
+static void render_title_bar(swayc_t *view, cairo_t *cr, struct wlc_geometry *b, struct border_colors *colors) {
 	struct wlc_geometry *tb = &view->title_bar_geometry;
-	struct wlc_geometry *b = &view->border_geometry;
-	int title_y = MIN(view->actual_geometry.origin.y - (int)tb->size.h, 0);
-
-	// borders
-	render_borders(view, cr, colors);
+	int x = MIN(tb->origin.x, tb->origin.x - b->origin.x);
+	int y = MIN(tb->origin.y, tb->origin.y - b->origin.y);
 
 	// title bar background
 	cairo_set_source_u32(cr, colors->background);
-	cairo_rectangle(cr, 0, title_y, tb->size.w, tb->size.h);
+	cairo_rectangle(cr, x, y, tb->size.w, tb->size.h);
 	cairo_fill(cr);
 
 	// header top line
-	render_sharp_line(cr, colors->border, 0, title_y, tb->size.w, 1);
+	render_sharp_line(cr, colors->border, x, y, tb->size.w, 1);
 
 	// text
 	if (view->name) {
 		int width, height;
 		get_text_size(cr, config->font, &width, &height, false, "%s", view->name);
-		int x = MIN(view->actual_geometry.origin.x, view->border_thickness);
-		int y = MIN(view->actual_geometry.origin.y - height - 2, 2);
-		cairo_move_to(cr, x, y);
+		cairo_move_to(cr, x + 2, y + 2);
 		cairo_set_source_u32(cr, colors->text);
 		pango_printf(cr, config->font, false, "%s", view->name);
 	}
 
+	// titlebars has a border all around for tabbed layouts
+	if (view->parent->layout == L_TABBED) {
+		// header bottom line
+		render_sharp_line(cr, colors->border, x, y + tb->size.h - 1,
+				tb->size.w, 1);
+
+		// left border
+		render_sharp_line(cr, colors->border, x, y, 1, tb->size.h);
+
+		// right border
+		render_sharp_line(cr, colors->border, x + tb->size.w - 1, y,
+				1, tb->size.h);
+
+		return;
+	}
+
+	if ((uint32_t)(view->actual_geometry.origin.y - tb->origin.y) == tb->size.h) {
 		// header bottom line
 		render_sharp_line(cr, colors->border,
-			view->actual_geometry.origin.x - b->origin.x,
-			title_y + tb->size.h - 1,
+				x + view->actual_geometry.origin.x - tb->origin.x,
+				y + tb->size.h - 1,
 				view->actual_geometry.size.w, 1);
+	} else {
+		// header bottom line
+		render_sharp_line(cr, colors->border, x,
+				y + tb->size.h - 1,
+				tb->size.w, 1);
+	}
 }
 
 void map_update_view_border(swayc_t *view, void *data) {
@@ -178,15 +203,104 @@ void map_update_view_border(swayc_t *view, void *data) {
 	}
 }
 
+/**
+ * Generate nested container title for tabbed/stacked layouts
+ */
+static char *generate_container_title(swayc_t *container) {
+	char layout = 'H';
+	char *name, *prev_name = NULL;
+	switch (container->layout) {
+	case L_TABBED:
+		layout = 'T';
+		break;
+	case L_STACKED:
+		layout = 'S';
+		break;
+	case L_VERT:
+		layout = 'V';
+		break;
+	default:
+		layout = 'H';
+	}
+	int len = 9;
+	name = malloc(len * sizeof(char));
+	snprintf(name, len, "sway: %c[", layout);
+
+	int i;
+	for (i = 0; i < container->children->length; ++i) {
+		prev_name = name;
+		swayc_t* child = container->children->items[i];
+		const char *title = child->name;
+		if (child->type == C_CONTAINER) {
+			title = generate_container_title(child);
+		}
+
+		len = strlen(name) + strlen(title) + 1;
+		if (i < container->children->length-1) {
+			len++;
+		}
+
+		name = malloc(len * sizeof(char));
+		if (i < container->children->length-1) {
+			snprintf(name, len, "%s%s ", prev_name, title);
+		} else {
+			snprintf(name, len, "%s%s", prev_name, title);
+		}
+		free(prev_name);
+	}
+
+	prev_name = name;
+	len = strlen(name) + 2;
+	name = malloc(len * sizeof(char));
+	snprintf(name, len, "%s]", prev_name);
+	free(prev_name);
+	free(container->name);
+	container->name = name;
+	return container->name + 6; // don't include "sway: "
+}
+
+void update_tabbed_stacked_titlebars(swayc_t *c, cairo_t *cr, struct wlc_geometry *g, swayc_t *focused, swayc_t *focused_inactive) {
+	if (c->type == C_CONTAINER) {
+		if (c->parent->focused == c) {
+			render_title_bar(c, cr, g, &config->border_colors.focused_inactive);
+		} else {
+			render_title_bar(c, cr, g, &config->border_colors.unfocused);
+		}
+
+		if (!c->visible) {
+			return;
+		}
+
+		int i;
+		for (i = 0; i < c->children->length; ++i) {
+			swayc_t *child = c->children->items[i];
+			update_tabbed_stacked_titlebars(child, cr, g, focused, focused_inactive);
+		}
+	} else {
+		if (focused == c) {
+			render_title_bar(c, cr, g, &config->border_colors.focused);
+		} else if (focused_inactive == c) {
+			render_title_bar(c, cr, g, &config->border_colors.focused_inactive);
+		} else {
+			render_title_bar(c, cr, g, &config->border_colors.unfocused);
+		}
+	}
+}
+
 void update_view_border(swayc_t *view) {
+	if (!view->visible) {
+		return;
+	}
+
 	cairo_t *cr = NULL;
 	cairo_surface_t *surface = NULL;
 
-	if (view->border) {
-		free(view->border);
-		view->border = NULL;
+	if (view->border && view->border->buffer) {
+		free(view->border->buffer);
+		view->border->buffer = NULL;
 	}
 
+	// get focused and focused_inactive views
 	swayc_t *focused = get_focused_view(&root_container);
 	swayc_t *container = swayc_parent_by_type(view, C_CONTAINER);
 	swayc_t *focused_inactive = NULL;
@@ -199,6 +313,38 @@ void update_view_border(swayc_t *view) {
 		}
 	}
 
+	// for tabbed/stacked layouts the focused view has to draw all the
+	// titlebars of the hidden views.
+	swayc_t *p = swayc_tabbed_stacked_parent(view);
+	if (p && view->parent->focused == view) {
+		struct wlc_geometry g = {
+			.origin = {
+				.x = p->x,
+				.y = p->y
+			},
+			.size = {
+				.w = p->width,
+				.h = p->height
+			}
+		};
+		cr = create_border_buffer(view, g, &surface);
+		if (view == focused) {
+			render_borders(view, cr, &config->border_colors.focused, false);
+		} else {
+			render_borders(view, cr, &config->border_colors.focused_inactive, false);
+		}
+
+		// generate container titles
+		int i;
+		for (i = 0; i < p->children->length; ++i) {
+			swayc_t *child = p->children->items[i];
+			if (child->type == C_CONTAINER) {
+				generate_container_title(child);
+			}
+		}
+
+		update_tabbed_stacked_titlebars(p, cr, &g, focused, focused_inactive);
+	} else {
 		switch (view->border_type) {
 		case B_NONE:
 			break;
@@ -209,11 +355,11 @@ void update_view_border(swayc_t *view) {
 			}
 
 			if (focused == view) {
-			render_borders(view, cr, &config->border_colors.focused);
+				render_borders(view, cr, &config->border_colors.focused, true);
 			} else if (focused_inactive == view) {
-			render_borders(view, cr, &config->border_colors.focused_inactive);
+				render_borders(view, cr, &config->border_colors.focused_inactive, true);
 			} else {
-			render_borders(view, cr, &config->border_colors.unfocused);
+				render_borders(view, cr, &config->border_colors.unfocused, true);
 			}
 
 			break;
@@ -224,19 +370,28 @@ void update_view_border(swayc_t *view) {
 			}
 
 			if (focused == view) {
-			render_with_title_bar(view, cr, &config->border_colors.focused);
+				render_borders(view, cr, &config->border_colors.focused, false);
+				render_title_bar(view, cr, &view->border_geometry,
+					&config->border_colors.focused);
 			} else if (focused_inactive == view) {
-			render_with_title_bar(view, cr, &config->border_colors.focused_inactive);
+				render_borders(view, cr, &config->border_colors.focused_inactive, false);
+				render_title_bar(view, cr, &view->border_geometry,
+					&config->border_colors.focused_inactive);
 			} else {
-			render_with_title_bar(view, cr, &config->border_colors.unfocused);
+				render_borders(view, cr, &config->border_colors.unfocused, false);
+				render_title_bar(view, cr, &view->border_geometry,
+					&config->border_colors.unfocused);
 			}
 
 			break;
 		}
+	}
+
 	if (surface) {
 		cairo_surface_flush(surface);
 		cairo_surface_destroy(surface);
 	}
+
 	if (cr) {
 		cairo_destroy(cr);
 	}
@@ -262,7 +417,7 @@ void render_view_borders(wlc_handle view) {
 		}
 	}
 
-	if (c->border) {
-		wlc_pixels_write(WLC_RGBA8888, &c->border_geometry, c->border);
+	if (c->border && c->border->buffer) {
+		wlc_pixels_write(WLC_RGBA8888, &c->border->geometry, c->border->buffer);
 	}
 }

sway/commands.c

@@ -1,6 +1,7 @@
 #include <xkbcommon/xkbcommon.h>
 #include <xkbcommon/xkbcommon-names.h>
 #include <wlc/wlc.h>
+#include <wlc/wlc-render.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <errno.h>
@@ -1759,7 +1760,32 @@ static struct cmd_results *cmd_layout(int argc, char **argv) {
 		parent = parent->parent;
 	}
 
-	if (strcasecmp(argv[0], "splith") == 0) {
+	enum swayc_layouts old_layout = parent->layout;
+
+	if (strcasecmp(argv[0], "default") == 0) {
+		parent->layout = parent->prev_layout;
+		if (parent->layout == L_NONE) {
+			swayc_t *output = swayc_parent_by_type(parent, C_OUTPUT);
+			parent->layout = default_layout(output);
+		}
+	} else {
+		if (parent->layout != L_TABBED && parent->layout != L_STACKED) {
+			parent->prev_layout = parent->layout;
+		}
+
+		if (strcasecmp(argv[0], "tabbed") == 0) {
+			if (parent->type != C_CONTAINER) {
+				parent = new_container(parent, L_TABBED);
+			}
+
+			parent->layout = L_TABBED;
+		} else if (strcasecmp(argv[0], "stacking") == 0) {
+			if (parent->type != C_CONTAINER) {
+				parent = new_container(parent, L_STACKED);
+			}
+
+			parent->layout = L_STACKED;
+		} else if (strcasecmp(argv[0], "splith") == 0) {
 			parent->layout = L_HORIZ;
 		} else if (strcasecmp(argv[0], "splitv") == 0) {
 			parent->layout = L_VERT;
@@ -1770,6 +1796,10 @@ static struct cmd_results *cmd_layout(int argc, char **argv) {
 				parent->layout = L_VERT;
 			}
 		}
+	}
+
+	update_layout_geometry(parent, old_layout);
+
 	arrange_windows(parent, parent->width, parent->height);
 
 	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
@@ -2007,10 +2037,22 @@ static struct cmd_results *_do_split(int argc, char **argv, int layout) {
 		/* regular case where new split container is build around focused container
 		 * or in case of workspace, container inherits its children */
 		sway_log(L_DEBUG, "Adding new container around current focused container");
+		sway_log(L_INFO, "FOCUSED SIZE: %.f %.f", focused->width, focused->height);
 		swayc_t *parent = new_container(focused, layout);
 		set_focused_container(focused);
 		arrange_windows(parent, -1, -1);
 	}
+
+	// update container title if tabbed/stacked
+	if (swayc_tabbed_stacked_parent(focused)) {
+		update_view_border(focused);
+		swayc_t *output = swayc_parent_by_type(focused, C_OUTPUT);
+		// schedule render to make changes take effect right away,
+		// otherwise we would have to wait for the view to render,
+		// which is unpredictable.
+		wlc_output_schedule_render(output->handle);
+	}
+
 	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
 }
 

sway/container.c

@@ -8,6 +8,7 @@
 #include "container.h"
 #include "workspace.h"
 #include "focus.h"
+#include "border.h"
 #include "layout.h"
 #include "input_state.h"
 #include "log.h"
@@ -64,7 +65,12 @@ static void free_swayc(swayc_t *cont) {
 	if (cont->bg_pid != 0) {
 		terminate_swaybg(cont->bg_pid);
 	}
+	if (cont->border) {
+		if (cont->border->buffer) {
+			free(cont->border->buffer);
+		}
 		free(cont->border);
+	}
 	free(cont);
 }
 
@@ -163,16 +169,9 @@ swayc_t *new_workspace(swayc_t *output, const char *name) {
 	sway_log(L_DEBUG, "Added workspace %s for output %u", name, (unsigned int)output->handle);
 	swayc_t *workspace = new_swayc(C_WORKSPACE);
 
-	// TODO: default_layout
-	if (config->default_layout != L_NONE) {
-		workspace->layout = config->default_layout;
-	} else if (config->default_orientation != L_NONE) {
-		workspace->layout = config->default_orientation;
-	} else if (output->width >= output->height) {
-		workspace->layout = L_HORIZ;
-	} else {
-		workspace->layout = L_VERT;
-	}
+	workspace->prev_layout = L_NONE;
+	workspace->layout = default_layout(output);
+
 	workspace->x = output->x;
 	workspace->y = output->y;
 	workspace->width = output->width;
@@ -211,12 +210,15 @@ swayc_t *new_container(swayc_t *child, enum swayc_layouts layout) {
 
 	sway_log(L_DEBUG, "creating container %p around %p", cont, child);
 
+	cont->prev_layout = L_NONE;
 	cont->layout = layout;
 	cont->width = child->width;
 	cont->height = child->height;
 	cont->x = child->x;
 	cont->y = child->y;
 	cont->visible = child->visible;
+	cont->cached_geometry = child->cached_geometry;
+	cont->gaps = child->gaps;
 
 	/* Container inherits all of workspaces children, layout and whatnot */
 	if (child->type == C_WORKSPACE) {
@@ -237,7 +239,8 @@ swayc_t *new_container(swayc_t *child, enum swayc_layouts layout) {
 		add_child(workspace, cont);
 		// give them proper layouts
 		cont->layout = workspace->layout;
-		workspace->layout = layout;
+		cont->prev_layout = workspace->prev_layout;
+		/* TODO: might break shit in move_container!!! workspace->layout = layout; */
 		set_focused_container_for(workspace, get_focused_view(workspace));
 	} else { // Or is built around container
 		swayc_t *parent = replace_child(child, cont);
@@ -678,7 +681,7 @@ bool swayc_is_child_of(swayc_t *child, swayc_t *parent) {
 }
 
 int swayc_gap(swayc_t *container) {
-	if (container->type == C_VIEW) {
+	if (container->type == C_VIEW || container->type == C_CONTAINER) {
 		return container->gaps >= 0 ? container->gaps : config->gaps_inner;
 	} else if (container->type == C_WORKSPACE) {
 		int base = container->gaps >= 0 ? container->gaps : config->gaps_outer;
@@ -722,18 +725,14 @@ void update_visibility_output(swayc_t *container, wlc_handle output) {
 	swayc_t *parent = container->parent;
 	container->visible = parent->visible;
 	// special cases where visibility depends on focus
-	if (parent->type == C_OUTPUT
-			|| parent->layout == L_TABBED
-			|| parent->layout == L_STACKED) {
-		container->visible = parent->focused == container;
+	if (parent->type == C_OUTPUT || parent->layout == L_TABBED ||
+			parent->layout == L_STACKED) {
+		container->visible = parent->focused == container && parent->visible;
 	}
 	// Set visibility and output for view
 	if (container->type == C_VIEW) {
 		wlc_view_set_output(container->handle, output);
 		wlc_view_set_mask(container->handle, container->visible ? VISIBLE : 0);
-		if (!container->visible) {
-			wlc_view_send_to_back(container->handle);
-		}
 	}
 	// Update visibility for children
 	else {
@@ -814,3 +813,18 @@ static void close_view(swayc_t *container, void *data) {
 void close_views(swayc_t *container) {
 	container_map(container, close_view, NULL);
 }
+
+swayc_t *swayc_tabbed_stacked_parent(swayc_t *view) {
+	swayc_t *parent = NULL;
+	if (!ASSERT_NONNULL(view)) {
+		return NULL;
+	}
+	do {
+		view = view->parent;
+		if (view->layout == L_TABBED || view->layout == L_STACKED) {
+			parent = view;
+		}
+	} while (view && view->type != C_WORKSPACE);
+
+	return parent;
+}

sway/debug_log.c

@@ -38,6 +38,7 @@ static void container_log(const swayc_t *c, int depth) {
 			c->layout == L_HORIZ ? "Horiz":
 			c->layout == L_VERT ? "Vert":
 			c->layout == L_STACKED  ? "Stack":
+			c->layout == L_TABBED  ? "Tab":
 			c->layout == L_FLOATING ? "Float":
 			"Unknown");
 	fprintf(stderr, "w:%4.f|h:%4.f|", c->width, c->height);

sway/focus.c

@@ -141,9 +141,18 @@ bool set_focused_container(swayc_t *c) {
 			// set focus if view_focus is unlocked
 			if (!locked_view_focus) {
 				wlc_view_focus(p->handle);
+				if (p->parent->layout != L_TABBED
+					&& p->parent->layout != L_STACKED) {
 					update_view_border(p);
 				}
 			}
+		}
+
+		// rearrange if parent container is tabbed/stacked
+		swayc_t *parent = swayc_tabbed_stacked_parent(p);
+		if (parent != NULL) {
+			arrange_windows(parent, -1, -1);
+		}
 	} else if (p->type == C_WORKSPACE) {
 		// remove previous focus if view_focus is unlocked
 		if (!locked_view_focus) {

sway/layout.c

@@ -3,7 +3,6 @@
 #include <math.h>
 #include <wlc/wlc.h>
 #include "extensions.h"
-#include "layout.h"
 #include "log.h"
 #include "list.h"
 #include "config.h"
@@ -13,6 +12,7 @@
 #include "output.h"
 #include "ipc-server.h"
 #include "border.h"
+#include "layout.h"
 
 swayc_t root_container;
 list_t *scratchpad;
@@ -244,7 +244,9 @@ void move_container(swayc_t *container, enum movement_direction dir) {
 	while (true) {
 		sway_log(L_DEBUG, "container:%p, parent:%p, child %p,",
 				container,parent,child);
-		if (parent->layout == layout) {
+		if (parent->layout == layout
+			|| (parent->layout == L_TABBED && layout == L_HORIZ)
+			|| (parent->layout == L_STACKED && layout == L_VERT)) {
 			int diff;
 			// If it has ascended (parent has moved up), no container is removed
 			// so insert it at index, or index+1.
@@ -266,7 +268,9 @@ void move_container(swayc_t *container, enum movement_direction dir) {
 						parent = child;
 						// Insert it in first/last if matching layout, otherwise
 						// inesrt it next to focused container
-						if (parent->layout == layout) {
+						if (parent->layout == layout
+							|| (parent->layout == L_TABBED && layout == L_HORIZ)
+							|| (parent->layout == L_STACKED && layout == L_VERT)) {
 							desired = (diff < 0) * parent->children->length;
 						} else {
 							desired = index_child(child->focused);
@@ -299,8 +303,6 @@ void move_container(swayc_t *container, enum movement_direction dir) {
 		child = parent;
 		parent = child->parent;
 	}
-	// Dirty hack to fix a certain case
-	arrange_windows(parent, -1, -1);
 	arrange_windows(parent->parent, -1, -1);
 	set_focused_container_for(parent->parent, container);
 }
@@ -380,16 +382,14 @@ static void adjust_border_geometry(swayc_t *c, struct wlc_geometry *g,
 	g->size.w += left + right;
 	if (g->origin.x - left < 0) {
 		g->size.w += g->origin.x - left;
-	}
-	else if (g->origin.x + g->size.w - right > res->w) {
+	} else if (g->origin.x + g->size.w - right > res->w) {
 		g->size.w = res->w - g->origin.x + right;
 	}
 
 	g->size.h += top + bottom;
 	if (g->origin.y - top < 0) {
 		g->size.h += g->origin.y - top;
-	}
-	else if (g->origin.y + g->size.h - top > res->h) {
+	} else if (g->origin.y + g->size.h - top > res->h) {
 		g->size.h = res->h - g->origin.y + top;
 	}
 
@@ -421,11 +421,11 @@ static void update_border_geometry_floating(swayc_t *c, struct wlc_geometry *geo
 
 		struct wlc_geometry title_bar = {
 			.origin = {
-				.x = g.origin.x,
-				.y = g.origin.y
+				.x = c->actual_geometry.origin.x - c->border_thickness,
+				.y = c->actual_geometry.origin.y - title_bar_height
 			},
 			.size = {
-				.w = g.size.w,
+				.w = c->actual_geometry.size.w + (2 * c->border_thickness),
 				.h = title_bar_height
 			}
 		};
@@ -440,10 +440,42 @@ static void update_border_geometry_floating(swayc_t *c, struct wlc_geometry *geo
 	update_view_border(c);
 }
 
-void update_geometry(swayc_t *container) {
-	if (container->type != C_VIEW) {
-		return;
+void update_layout_geometry(swayc_t *parent, enum swayc_layouts prev_layout) {
+	switch (parent->layout) {
+	case L_TABBED:
+	case L_STACKED:
+		if (prev_layout != L_TABBED && prev_layout != L_STACKED) {
+			// cache current geometry for all non-float children
+			int i;
+			for (i = 0; i < parent->children->length; ++i) {
+				swayc_t *child = parent->children->items[i];
+				child->cached_geometry.origin.x = child->x;
+				child->cached_geometry.origin.y = child->y;
+				child->cached_geometry.size.w = child->width;
+				child->cached_geometry.size.h = child->height;
 			}
+		}
+		break;
+	default:
+		if (prev_layout == L_TABBED || prev_layout == L_STACKED) {
+			// recover cached geometry for all non-float children
+			int i;
+			for (i = 0; i < parent->children->length; ++i) {
+				swayc_t *child = parent->children->items[i];
+				// only recoverer cached geometry if non-zero
+				if (!wlc_geometry_equals(&child->cached_geometry, &wlc_geometry_zero)) {
+					child->x = child->cached_geometry.origin.x;
+					child->y = child->cached_geometry.origin.y;
+					child->width = child->cached_geometry.size.w;
+					child->height = child->cached_geometry.size.h;
+				}
+			}
+		}
+		break;
+	}
+}
+
+static int update_gap_geometry(swayc_t *container, struct wlc_geometry *g) {
 	swayc_t *ws = swayc_parent_by_type(container, C_WORKSPACE);
 	swayc_t *op = ws->parent;
 	int gap = container->is_floating ? 0 : swayc_gap(container);
@@ -453,16 +485,63 @@ void update_geometry(swayc_t *container) {
 		gap -= 1;
 	}
 
+	g->origin.x = container->x + gap/2 < op->width  ? container->x + gap/2 : op->width-1;
+	g->origin.y = container->y + gap/2 < op->height ? container->y + gap/2 : op->height-1;
+	g->size.w = container->width > gap ? container->width - gap : 1;
+	g->size.h = container->height > gap ? container->height - gap : 1;
+
+	if ((!config->edge_gaps && gap > 0) || (config->smart_gaps && ws->children->length == 1)) {
+		// Remove gap against the workspace edges. Because a pixel is not
+		// divisable, depending on gap size and the number of siblings our view
+		// might be at the workspace edge without being exactly so (thus test
+		// with gap, and align correctly).
+		if (container->x - gap <= ws->x) {
+			g->origin.x = ws->x;
+			g->size.w = container->width - gap/2;
+		}
+		if (container->y - gap <= ws->y) {
+			g->origin.y = ws->y;
+			g->size.h = container->height - gap/2;
+		}
+		if (container->x + container->width + gap >= ws->x + ws->width) {
+			g->size.w = ws->x + ws->width - g->origin.x;
+		}
+		if (container->y + container->height + gap >= ws->y + ws->height) {
+			g->size.h = ws->y + ws->height - g->origin.y;
+		}
+	}
+
+	return gap;
+}
+
+void update_geometry(swayc_t *container) {
+	if (container->type != C_VIEW && container->type != C_CONTAINER) {
+		return;
+	}
+
+	swayc_t *ws = swayc_parent_by_type(container, C_WORKSPACE);
+	swayc_t *op = ws->parent;
+	swayc_t *parent = container->parent;
+
 	struct wlc_geometry geometry = {
 		.origin = {
-			.x = container->x + gap/2 < op->width  ? container->x + gap/2 : op->width-1,
-			.y = container->y + gap/2 < op->height ? container->y + gap/2 : op->height-1
+			.x = container->x < op->width ? container->x : op->width-1,
+			.y = container->y < op->height ? container->y : op->height-1
 		},
 		.size = {
-			.w = container->width > gap ? container->width - gap : 1,
-			.h = container->height > gap ? container->height - gap : 1,
+			.w = container->width,
+			.h = container->height,
 		}
 	};
+
+	int gap = 0;
+
+	// apply inner gaps to non-tabbed/stacked containers
+	swayc_t *p = swayc_tabbed_stacked_parent(container);
+	if (p == NULL) {
+		gap = update_gap_geometry(container, &geometry);
+	}
+
 	if (swayc_is_fullscreen(container)) {
 		swayc_t *output = swayc_parent_by_type(container, C_OUTPUT);
 		const struct wlc_size *size = wlc_output_get_resolution(output->handle);
@@ -473,28 +552,7 @@ void update_geometry(swayc_t *container) {
 		if (op->focused == ws) {
 			wlc_view_bring_to_front(container->handle);
 		}
-	} else if ((!config->edge_gaps && gap > 0) || (config->smart_gaps && ws->children->length == 1)) {
-		// Remove gap against the workspace edges. Because a pixel is not
-		// divisable, depending on gap size and the number of siblings our view
-		// might be at the workspace edge without being exactly so (thus test
-		// with gap, and align correctly).
-		if (container->x - gap <= ws->x) {
-			geometry.origin.x = ws->x;
-			geometry.size.w = container->width - gap/2;
-		}
-		if (container->y - gap <= ws->y) {
-			geometry.origin.y = ws->y;
-			geometry.size.h = container->height - gap/2;
-		}
-		if (container->x + container->width + gap >= ws->x + ws->width) {
-			geometry.size.w = ws->x + ws->width - geometry.origin.x;
-		}
-		if (container->y + container->height + gap >= ws->y + ws->height) {
-			geometry.size.h = ws->y + ws->height - geometry.origin.y;
-		}
-	}
 
-	if (swayc_is_fullscreen(container)) {
 		container->border_geometry = wlc_geometry_zero;
 		container->title_bar_geometry = wlc_geometry_zero;
 	} else if (container->is_floating) { // allocate border for floating window
@@ -533,6 +591,65 @@ void update_geometry(swayc_t *container) {
 			}
 		}
 
+		int title_bar_height = config->font_height + 4; //borders + padding
+
+		if (parent->layout == L_TABBED) {
+			int i, x = 0, w, l, r;
+			l = parent->children->length;
+			w = geometry.size.w / l;
+			r = geometry.size.w % l;
+			for (i = 0; i < parent->children->length; ++i) {
+				swayc_t *view = parent->children->items[i];
+				if (view == container) {
+					x = w * i;
+					if (i == l - 1) {
+						w += r;
+					}
+					break;
+				}
+			}
+
+			struct wlc_geometry title_bar = {
+				.origin = {
+					.x = container->border_geometry.origin.x + x,
+					.y = container->border_geometry.origin.y
+				},
+				.size = {
+					.w = w,
+					.h = title_bar_height
+				}
+			};
+			geometry.origin.x += border_left;
+			geometry.origin.y += title_bar.size.h;
+			geometry.size.w -= (border_left + border_right);
+			geometry.size.h -= (border_bottom + title_bar.size.h);
+			container->title_bar_geometry = title_bar;
+		} else if (parent->layout == L_STACKED) {
+			int i, y;
+			for (i = 0; i < parent->children->length; ++i) {
+				swayc_t *view = parent->children->items[i];
+				if (view == container) {
+					y = title_bar_height * i;
+				}
+			}
+
+			struct wlc_geometry title_bar = {
+				.origin = {
+					.x = container->border_geometry.origin.x,
+					.y = container->border_geometry.origin.y + y
+				},
+				.size = {
+					.w = container->border_geometry.size.w,
+					.h = title_bar_height
+				}
+			};
+			title_bar_height = title_bar_height * parent->children->length;
+			geometry.origin.x += border_left;
+			geometry.origin.y += title_bar_height;
+			geometry.size.w -= (border_left + border_right);
+			geometry.size.h -= (border_bottom + title_bar_height);
+			container->title_bar_geometry = title_bar;
+		} else {
 			switch (container->border_type) {
 			case B_NONE:
 				break;
@@ -551,7 +668,7 @@ void update_geometry(swayc_t *container) {
 						},
 						.size = {
 							.w = container->border_geometry.size.w,
-						.h = config->font_height + 4 // borders + padding
+							.h = title_bar_height
 						}
 					};
 					geometry.origin.x += border_left;
@@ -562,14 +679,19 @@ void update_geometry(swayc_t *container) {
 					break;
 				}
 			}
+		}
 
 		container->actual_geometry = geometry;
 
+		if (container->type == C_VIEW) {
 			update_view_border(container);
 		}
+	}
 
+	if (container->type == C_VIEW) {
 		wlc_view_set_geometry(container->handle, 0, &geometry);
 	}
+}
 
 static void arrange_windows_r(swayc_t *container, double width, double height) {
 	int i;
@@ -664,6 +786,33 @@ static void arrange_windows_r(swayc_t *container, double width, double height) {
 		container->height = height;
 		x = container->x;
 		y = container->y;
+
+		// add gaps to top level tapped/stacked container
+		if (container->parent->type == C_WORKSPACE &&
+			(container->layout == L_TABBED || container->layout == L_STACKED)) {
+			update_geometry(container);
+			width = container->border_geometry.size.w;
+			height = container->border_geometry.size.h;
+			x = container->border_geometry.origin.x;
+			y = container->border_geometry.origin.y;
+		}
+
+		// update container size if it's a child in a tabbed/stacked layout
+		if (swayc_tabbed_stacked_parent(container) != NULL) {
+			// Use parent actual_geometry as a base for calculating
+			// container geometry
+			container->width = container->parent->actual_geometry.size.w;
+			container->height = container->parent->actual_geometry.size.h;
+			container->x = container->parent->actual_geometry.origin.x;
+			container->y = container->parent->actual_geometry.origin.y;
+
+			update_geometry(container);
+			width = container->width = container->actual_geometry.size.w;
+			height = container->height = container->actual_geometry.size.h;
+			x = container->x = container->actual_geometry.origin.x;
+			y = container->y = container->actual_geometry.origin.y;
+		}
+
 		break;
 	}
 
@@ -683,15 +832,22 @@ static void arrange_windows_r(swayc_t *container, double width, double height) {
 			}
 			scale += *old_width;
 		}
+
 		// Resize windows
 		if (scale > 0.1) {
 			scale = width / scale;
 			sway_log(L_DEBUG, "Arranging %p horizontally", container);
+			swayc_t *focused = NULL;
 			for (i = 0; i < container->children->length; ++i) {
 				swayc_t *child = container->children->items[i];
 				sway_log(L_DEBUG, "Calculating arrangement for %p:%d (will scale %f by %f)", child, child->type, width, scale);
 				child->x = x;
 				child->y = y;
+
+				if (child == container->focused) {
+					focused = child;
+				}
+
 				if (i == container->children->length - 1) {
 					double remaining_width = container->x + width - x;
 					arrange_windows_r(child, remaining_width, height);
@@ -700,6 +856,12 @@ static void arrange_windows_r(swayc_t *container, double width, double height) {
 				}
 				x += child->width;
 			}
+
+			// update focused view border last because it may
+			// depend on the title bar geometry of its siblings.
+			if (focused && container->children->length > 1) {
+				update_view_border(focused);
+			}
 		}
 		break;
 	case L_VERT:
@@ -719,11 +881,17 @@ static void arrange_windows_r(swayc_t *container, double width, double height) {
 		if (scale > 0.1) {
 			scale = height / scale;
 			sway_log(L_DEBUG, "Arranging %p vertically", container);
+			swayc_t *focused = NULL;
 			for (i = 0; i < container->children->length; ++i) {
 				swayc_t *child = container->children->items[i];
 				sway_log(L_DEBUG, "Calculating arrangement for %p:%d (will scale %f by %f)", child, child->type, height, scale);
 				child->x = x;
 				child->y = y;
+
+				if (child == container->focused) {
+					focused = child;
+				}
+
 				if (i == container->children->length - 1) {
 					double remaining_height = container->y + height - y;
 					arrange_windows_r(child, width, remaining_height);
@@ -732,9 +900,35 @@ static void arrange_windows_r(swayc_t *container, double width, double height) {
 				}
 				y += child->height;
 			}
+
+			// update focused view border last because it may
+			// depend on the title bar geometry of its siblings.
+			if (focused && container->children->length > 1) {
+				update_view_border(focused);
+			}
+		}
+		break;
+	case L_TABBED:
+	case L_STACKED:
+		{
+			swayc_t *focused = NULL;
+			for (i = 0; i < container->children->length; ++i) {
+				swayc_t *child = container->children->items[i];
+				child->x = x;
+				child->y = y;
+				if (child == container->focused) {
+					focused = child;
+				} else {
+					arrange_windows_r(child, width, height);
+				}
+			}
+
+			if (focused) {
+				arrange_windows_r(focused, width, height);
 			}
 			break;
 		}
+	}
 
 	// Arrage floating layouts for workspaces last
 	if (container->type == C_WORKSPACE) {
@@ -742,6 +936,8 @@ static void arrange_windows_r(swayc_t *container, double width, double height) {
 			swayc_t *view = container->floating->items[i];
 			if (view->type == C_VIEW) {
 				update_geometry(view);
+				sway_log(L_DEBUG, "Set floating view to %.f x %.f @ %.f, %.f", view->width,
+						view->height, view->x, view->y);
 				if (swayc_is_fullscreen(view)) {
 					wlc_view_bring_to_front(view->handle);
 				} else if (!container->focused
@@ -840,12 +1036,12 @@ swayc_t *get_swayc_in_direction_under(swayc_t *container, enum movement_directio
 			return get_swayc_in_output_direction(output, dir);
 		} else {
 			if (dir == MOVE_LEFT || dir == MOVE_RIGHT) {
-				if (parent->layout == L_HORIZ) {
+				if (parent->layout == L_HORIZ || parent->layout == L_TABBED) {
 					can_move = true;
 					diff = dir == MOVE_LEFT ? -1 : 1;
 				}
 			} else {
-				if (parent->layout == L_VERT) {
+				if (parent->layout == L_VERT || parent->layout == L_STACKED) {
 					can_move = true;
 					diff = dir == MOVE_UP ? -1 : 1;
 				}
@@ -900,3 +1096,15 @@ void recursive_resize(swayc_t *container, double amount, enum wlc_resize_edge ed
 		}
 	}
 }
+
+enum swayc_layouts default_layout(swayc_t *output) {
+	if (config->default_layout != L_NONE) {
+		return config->default_layout;
+	} else if (config->default_orientation != L_NONE) {
+		return config->default_orientation;
+	} else if (output->width >= output->height) {
+		return L_HORIZ;
+	} else {
+		return L_VERT;
+	}
+}