Merge pull request #551 from mikkeloscar/window-borders

Implement Window borders

include/border.h

@@ -0,0 +1,11 @@
+#ifndef _SWAY_BORDER_H
+#define _SWAY_BORDER_H
+#include <wlc/wlc.h>
+#include "container.h"
+
+void render_view_borders(wlc_handle view);
+void update_view_border(swayc_t *view);
+void map_update_view_border(swayc_t *view, void *data);
+int get_font_text_height(const char *font);
+
+#endif

include/client/pango.h

@@ -1,12 +1,12 @@
 #ifndef _SWAY_CLIENT_PANGO_H
 #define _SWAY_CLIENT_PANGO_H
 
-#include "client/window.h"
+#include <cairo/cairo.h>
-#include "client/buffer.h"
+#include <pango/pangocairo.h>
 #include <stdarg.h>
 
-PangoLayout *get_pango_layout(struct window *window, struct buffer *buffer, const char *text);
+PangoLayout *get_pango_layout(cairo_t *cairo, const char *font, const char *text);
-void get_text_size(struct window *window, int *width, int *height, const char *fmt, ...);
+void get_text_size(cairo_t *cairo, const char *font, int *width, int *height, const char *fmt, ...);
-void pango_printf(struct window *window, const char *fmt, ...);
+void pango_printf(cairo_t *cairo, const char *font, const char *fmt, ...);
 
 #endif

include/config.h

@@ -148,6 +148,21 @@ struct bar_config {
 	} colors;
 };
 
+struct border_colors {
+	uint32_t border;
+	uint32_t background;
+	uint32_t text;
+	uint32_t indicator;
+	uint32_t child_border;
+};
+
+enum edge_border_types {
+	E_NONE,         /**< Don't hide edge borders */
+	E_VERTICAL,     /**< hide vertical edge borders */
+	E_HORIZONTAL,   /**< hide horizontal edge borders */
+	E_BOTH		/**< hide vertical and horizontal edge borders */
+};
+
 /**
  * The configuration struct. The result of loading a config file.
  */
@@ -169,6 +184,7 @@ struct sway_config {
 	enum swayc_layouts default_orientation;
 	enum swayc_layouts default_layout;
 	char *font;
+	int font_height;
 
 	// Flags
 	bool focus_follows_mouse;
@@ -187,6 +203,20 @@ struct sway_config {
 
 	list_t *config_chain;
 	const char *current_config;
+
+	enum swayc_border_types border;
+	int border_thickness;
+	enum edge_border_types hide_edge_borders;
+
+	// border colors
+	struct {
+		struct border_colors focused;
+		struct border_colors focused_inactive;
+		struct border_colors unfocused;
+		struct border_colors urgent;
+		struct border_colors placeholder;
+		uint32_t background;
+	} border_colors;
 };
 
 /**

include/container.h

@@ -36,6 +36,12 @@ enum swayc_layouts {
 	L_LAYOUTS,
 };
 
+enum swayc_border_types {
+	B_NONE,             /**< No border */
+	B_PIXEL,            /**< 1px border */
+	B_NORMAL            /**< Normal border with title bar */
+};
+
 /**
  * Stores information about a container.
  *
@@ -109,6 +115,16 @@ struct sway_container {
 	 * If this container's children include a fullscreen view, this is that view.
 	 */
 	struct sway_container *fullscreen;
+	/**
+	 * If this container is a view, this may be set to the window's decoration
+	 * buffer (or NULL).
+	 */
+	unsigned char *border;
+	enum swayc_border_types border_type;
+	struct wlc_geometry border_geometry;
+	struct wlc_geometry title_bar_geometry;
+	struct wlc_geometry actual_geometry;
+	int border_thickness;
 };
 
 enum visibility_mask {

sway/CMakeLists.txt

@@ -5,6 +5,8 @@ include_directories(
 	${JSONC_INCLUDE_DIRS}
 	${XKBCOMMON_INCLUDE_DIRS}
 	${LIBINPUT_INCLUDE_DIRS}
+	${CAIRO_INCLUDE_DIRS}
+	${PANGO_INCLUDE_DIRS}
 )
 
 add_executable(sway
@@ -24,6 +26,7 @@ add_executable(sway
 	output.c
 	resize.c
 	workspace.c
+	border.c
 )
 
 add_definitions(
@@ -33,12 +36,15 @@ add_definitions(
 target_link_libraries(sway
 	sway-common
 	sway-protocols
+	sway-wayland
 	${WLC_LIBRARIES}
 	${XKBCOMMON_LIBRARIES}
 	${PCRE_LIBRARIES}
 	${JSONC_LIBRARIES}
 	${WAYLAND_SERVER_LIBRARIES}
 	${LIBINPUT_LIBRARIES}
+	${PANGO_LIBRARIES}
+	${JSONC_LIBRARIES}
 	m
 )
 

sway/border.c

@@ -0,0 +1,266 @@
+#include "border.h"
+#include <wlc/wlc-render.h>
+#include <cairo/cairo.h>
+#include <pango/pangocairo.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "container.h"
+#include "config.h"
+#include "client/pango.h"
+
+void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
+	int endian = 1;
+	if (*(char *)&endian == 1) { // little endian
+		cairo_set_source_rgba(cairo,
+				(color >> (1*8) & 0xFF) / 255.0,
+				(color >> (2*8) & 0xFF) / 255.0,
+				(color >> (3*8) & 0xFF) / 255.0,
+				(color >> (0*8) & 0xFF) / 255.0);
+	} else { // big endian
+		cairo_set_source_rgba(cairo,
+				(color >> (0*8) & 0xFF) / 255.0,
+				(color >> (3*8) & 0xFF) / 255.0,
+				(color >> (2*8) & 0xFF) / 255.0,
+				(color >> (1*8) & 0xFF) / 255.0);
+	}
+}
+
+static cairo_t *create_border_buffer(swayc_t *view, struct wlc_geometry geo, cairo_surface_t **surface) {
+	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) {
+		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);
+	if (cairo_surface_status(*surface) != CAIRO_STATUS_SUCCESS) {
+		free(view->border);
+		view->border = 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;
+		sway_log(L_DEBUG, "Unable to create cairo context");
+		return NULL;
+	}
+	return cr;
+}
+
+// TODO: move to client/cairo.h when local set_source_u32 is fixed.
+/**
+ * Renders a sharp line of any width and height.
+ *
+ * The line is drawn from (x,y) to (x+width,y+height) where width/height is 0
+ * if the line has a width/height of one pixel, respectively.
+ */
+static void render_sharp_line(cairo_t *cairo, uint32_t color, double x, double y, double width, double height) {
+	cairo_set_source_u32(cairo, color);
+
+	if (width > 1 && height > 1) {
+		cairo_rectangle(cairo, x, y, width, height);
+		cairo_fill(cairo);
+	} else {
+		if (width == 1) {
+			x += 0.5;
+			height += y;
+			width = x;
+		}
+
+		if (height == 1) {
+			y += 0.5;
+			width += x;
+			height = y;
+		}
+
+		cairo_move_to(cairo, x, y);
+		cairo_set_line_width(cairo, 1.0);
+		cairo_line_to(cairo, width, height);
+		cairo_stroke(cairo);
+	}
+}
+
+int get_font_text_height(const char *font) {
+	cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 200, 200);
+	cairo_t *cr = cairo_create(surface);
+	int width, height;
+	get_text_size(cr, font, &width, &height, "Gg");
+	return height;
+}
+
+static void render_borders(swayc_t *view, cairo_t *cr, struct border_colors *colors) {
+	struct wlc_geometry *b = &view->border_geometry;
+	struct wlc_geometry *v = &view->actual_geometry;
+
+	// left border
+	int left_border = v->origin.x - b->origin.x;
+	if (left_border > 0) {
+		render_sharp_line(cr,
+				colors->child_border,
+				0, 0,
+				left_border,
+				b->size.h);
+	}
+
+	// right border
+	int right_border = b->size.w - v->size.w - left_border;
+	if (right_border > 0) {
+		render_sharp_line(cr,
+				colors->child_border,
+				b->size.w - right_border,
+				0,
+				right_border,
+				b->size.h);
+	}
+
+	// top border
+	int top_border = v->origin.y - b->origin.y;
+	if (top_border > 0) {
+		render_sharp_line(cr,
+				colors->child_border,
+				0, 0,
+				b->size.w,
+				top_border);
+	}
+
+	// bottom border
+	int bottom_border = b->size.h - (top_border + v->size.h);
+	if (bottom_border > 0) {
+		render_sharp_line(cr,
+				colors->child_border,
+				0,
+				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) {
+	struct wlc_geometry *tb = &view->title_bar_geometry;
+	struct wlc_geometry *b = &view->border_geometry;
+
+	// borders
+	render_borders(view, cr, colors);
+
+	// title bar background
+	cairo_set_source_u32(cr, colors->child_border);
+	cairo_rectangle(cr, 0, 0, tb->size.w, tb->size.h);
+	cairo_fill(cr);
+
+	// header top line
+	render_sharp_line(cr, colors->border, 0, 0, tb->size.w, 1);
+
+	// text
+	if (view->name) {
+		int width, height;
+		get_text_size(cr, config->font, &width, &height, "%s", view->name);
+		cairo_move_to(cr, view->border_thickness, 2);
+		cairo_set_source_u32(cr, colors->text);
+		pango_printf(cr, config->font, "%s", view->name);
+	}
+
+	// header bottom line
+	render_sharp_line(cr, colors->border,
+			view->actual_geometry.origin.x - b->origin.x,
+			tb->size.h - 1,
+			view->actual_geometry.size.w, 1);
+}
+
+void map_update_view_border(swayc_t *view, void *data) {
+	if (view->type == C_VIEW) {
+		update_view_border(view);
+	}
+}
+
+void update_view_border(swayc_t *view) {
+	cairo_t *cr = NULL;
+	cairo_surface_t *surface = NULL;
+
+	if (view->border) {
+		free(view->border);
+		view->border = NULL;
+	}
+
+	swayc_t *focused = get_focused_view(&root_container);
+	swayc_t *container = swayc_parent_by_type(view, C_CONTAINER);
+	swayc_t *focused_inactive = NULL;
+	if (container) {
+		focused_inactive = swayc_focus_by_type(container, C_VIEW);
+	} else {
+		container = swayc_parent_by_type(view, C_WORKSPACE);
+		if (container) {
+			focused_inactive = swayc_focus_by_type(container, C_VIEW);
+		}
+	}
+
+	switch (view->border_type) {
+	case B_NONE:
+		break;
+	case B_PIXEL:
+		cr = create_border_buffer(view, view->border_geometry, &surface);
+		if (!cr) {
+			break;
+		}
+
+		if (focused == view) {
+			render_borders(view, cr, &config->border_colors.focused);
+		} else if (focused_inactive == view) {
+			render_borders(view, cr, &config->border_colors.focused_inactive);
+		} else {
+			render_borders(view, cr, &config->border_colors.unfocused);
+		}
+
+		break;
+	case B_NORMAL:
+		cr = create_border_buffer(view, view->border_geometry, &surface);
+		if (!cr) {
+			break;
+		}
+
+		if (focused == view) {
+			render_with_title_bar(view, cr, &config->border_colors.focused);
+		} else if (focused_inactive == view) {
+			render_with_title_bar(view, cr, &config->border_colors.focused_inactive);
+		} else {
+			render_with_title_bar(view, cr, &config->border_colors.unfocused);
+		}
+
+		break;
+	}
+	if (surface) {
+		cairo_surface_flush(surface);
+		cairo_surface_destroy(surface);
+	}
+	if (cr) {
+		cairo_destroy(cr);
+	}
+}
+
+void render_view_borders(wlc_handle view) {
+	swayc_t *c = swayc_by_handle(view);
+
+	if (!c || c->border_type == B_NONE) {
+		return;
+	}
+
+	if (c->border_type == B_NORMAL) {
+		// update window title
+		const char *new_name = wlc_view_get_title(view);
+
+		if (new_name && strcmp(c->name, new_name) != 0) {
+			free(c->name);
+			c->name = strdup(new_name);
+			update_view_border(c);
+		}
+	}
+
+	if (c->border) {
+		wlc_pixels_write(WLC_RGBA8888, &c->border_geometry, c->border);
+	}
+}

sway/commands.c

@@ -31,6 +31,7 @@
 #include "ipc-server.h"
 #include "list.h"
 #include "input.h"
+#include "border.h"
 
 typedef struct cmd_results *sway_cmd(int argc, char **argv);
 
@@ -43,6 +44,7 @@ static sway_cmd cmd_assign;
 static sway_cmd cmd_bar;
 static sway_cmd cmd_bindcode;
 static sway_cmd cmd_bindsym;
+static sway_cmd cmd_border;
 static sway_cmd cmd_debuglog;
 static sway_cmd cmd_exec;
 static sway_cmd cmd_exec_always;
@@ -55,6 +57,7 @@ static sway_cmd cmd_font;
 static sway_cmd cmd_for_window;
 static sway_cmd cmd_fullscreen;
 static sway_cmd cmd_gaps;
+static sway_cmd cmd_hide_edge_borders;
 static sway_cmd cmd_include;
 static sway_cmd cmd_input;
 static sway_cmd cmd_kill;
@@ -345,6 +348,71 @@ static struct cmd_results *cmd_bindcode(int argc, char **argv) {
 	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
 }
 
+static struct cmd_results *cmd_border(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "border", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+
+	if (argc > 2) {
+		return cmd_results_new(CMD_FAILURE, "border",
+			"Expected 'border <normal|pixel|none|toggle> [<n>]");
+	}
+
+	enum swayc_border_types border = config->border;
+	int thickness = config->border_thickness;
+
+	swayc_t *view = NULL;
+	if (config->active) {
+		view = get_focused_view(&root_container);
+		border = view->border_type;
+		thickness = view->border_thickness;
+	}
+
+	if (strcasecmp(argv[0], "none") == 0) {
+		border = B_NONE;
+	} else if (strcasecmp(argv[0], "normal") == 0) {
+		border = B_NORMAL;
+	} else if (strcasecmp(argv[0], "pixel") == 0) {
+		border = B_PIXEL;
+	} else if (strcasecmp(argv[0], "toggle") == 0) {
+		switch (border) {
+		case B_NONE:
+			border = B_PIXEL;
+			break;
+		case B_NORMAL:
+			border = B_NONE;
+			break;
+		case B_PIXEL:
+			border = B_NORMAL;
+			break;
+		}
+	} else {
+		return cmd_results_new(CMD_FAILURE, "border",
+			"Expected 'border <normal|pixel|none|toggle>");
+	}
+
+
+	if (argc == 2 && (border == B_NORMAL || border == B_PIXEL)) {
+		thickness = (int)strtol(argv[1], NULL, 10);
+		if (errno == ERANGE || thickness < 0) {
+			errno = 0;
+			return cmd_results_new(CMD_INVALID, "border", "Number is out out of range.");
+		}
+	}
+
+	if (config->active && view) {
+		view->border_type = border;
+		view->border_thickness = thickness;
+		update_geometry(view);
+	} else {
+		config->border = border;
+		config->border_thickness = thickness;
+	}
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
 static struct cmd_results *cmd_exec_always(int argc, char **argv) {
 	struct cmd_results *error = NULL;
 	if (!config->active) return cmd_results_new(CMD_DEFER, NULL, NULL);
@@ -847,9 +915,9 @@ static struct cmd_results *cmd_move(int argc, char **argv) {
 	} else if (strcasecmp(argv[0], "position") == 0 && strcasecmp(argv[1], "mouse") == 0) {
 		if (view->is_floating) {
 			swayc_t *output = swayc_parent_by_type(view, C_OUTPUT);
-			const struct wlc_geometry *geometry = wlc_view_get_geometry(view->handle);
+			struct wlc_geometry g;
+			wlc_view_get_visible_geometry(view->handle, &g);
 			const struct wlc_size *size = wlc_output_get_resolution(output->handle);
-			struct wlc_geometry g = *geometry;
 
 			struct wlc_point origin;
 			wlc_pointer_get_position(&origin);
@@ -1500,6 +1568,29 @@ static struct cmd_results *cmd_smart_gaps(int argc, char **argv) {
 	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
 }
 
+static struct cmd_results *cmd_hide_edge_borders(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "hide_edge_borders", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+
+	if (strcasecmp(argv[0], "none") == 0) {
+		config->hide_edge_borders = E_NONE;
+	} else if (strcasecmp(argv[0], "vertical") == 0) {
+		config->hide_edge_borders = E_VERTICAL;
+	} else if (strcasecmp(argv[0], "horizontal") == 0) {
+		config->hide_edge_borders = E_HORIZONTAL;
+	} else if (strcasecmp(argv[0], "both") == 0) {
+		config->hide_edge_borders = E_BOTH;
+	} else {
+		return cmd_results_new(CMD_INVALID, "hide_edge_borders",
+				"Expected 'hide_edge_borders <none|vertical|horizontal|both>'");
+	}
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
+
 static struct cmd_results *cmd_kill(int argc, char **argv) {
 	if (config->reading) return cmd_results_new(CMD_FAILURE, "kill", "Can't be used in config file.");
 	if (!config->active) return cmd_results_new(CMD_FAILURE, "kill", "Can only be used when sway is running.");
@@ -1866,16 +1957,18 @@ static struct cmd_results *cmd_font(int argc, char **argv) {
 	}
 
 	char *font = join_args(argv, argc);
+	free(config->font);
 	if (strlen(font) > 6 && strncmp("pango:", font, 6) == 0) {
-		free(config->font);
+		config->font = strdup(font + 6);
-		config->font = font;
-		sway_log(L_DEBUG, "Settings font %s", config->font);
-		return cmd_results_new(CMD_SUCCESS, NULL, NULL);
-	} else {
 		free(font);
-		return cmd_results_new(CMD_FAILURE, "font", "non-pango font detected");
+	} else {
+		config->font = font;
 	}
 
+	config->font_height = get_font_text_height(config->font);
+
+	sway_log(L_DEBUG, "Settings font %s", config->font);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
 }
 
 
@@ -2044,6 +2137,7 @@ static struct cmd_handler handlers[] = {
 	{ "bar", cmd_bar },
 	{ "bindcode", cmd_bindcode },
 	{ "bindsym", cmd_bindsym },
+	{ "border", cmd_border },
 	{ "debuglog", cmd_debuglog },
 	{ "default_orientation", cmd_orientation },
 	{ "exec", cmd_exec },
@@ -2057,6 +2151,7 @@ static struct cmd_handler handlers[] = {
 	{ "for_window", cmd_for_window },
 	{ "fullscreen", cmd_fullscreen },
 	{ "gaps", cmd_gaps },
+	{ "hide_edge_borders", cmd_hide_edge_borders },
 	{ "include", cmd_include },
 	{ "input", cmd_input },
 	{ "kill", cmd_kill },

sway/config.c

@@ -22,6 +22,7 @@
 #include "input_state.h"
 #include "criteria.h"
 #include "input.h"
+#include "border.h"
 
 struct sway_config *config = NULL;
 
@@ -160,7 +161,8 @@ static void config_defaults(struct sway_config *config) {
 	config->resizing_key = M_RIGHT_CLICK;
 	config->default_layout = L_NONE;
 	config->default_orientation = L_NONE;
-	config->font = strdup("pango:monospace 10");
+	config->font = strdup("monospace 10");
+	config->font_height = get_font_text_height(config->font);
 
 	// Flags
 	config->focus_follows_mouse = true;
@@ -181,6 +183,44 @@ static void config_defaults(struct sway_config *config) {
 
 	config->config_chain = create_list();
 	config->current_config = NULL;
+
+	// borders
+	config->border = B_NORMAL;
+	config->border_thickness = 2;
+	config->hide_edge_borders = E_NONE;
+
+	// border colors
+	config->border_colors.focused.border = 0x4C7899FF;
+	config->border_colors.focused.background = 0x285577FF;
+	config->border_colors.focused.text = 0xFFFFFFFF;
+	config->border_colors.focused.indicator = 0x2E9EF4FF;
+	config->border_colors.focused.child_border = 0x285577FF;
+
+	config->border_colors.focused_inactive.border = 0x333333FF;
+	config->border_colors.focused_inactive.background = 0x5F676AFF;
+	config->border_colors.focused_inactive.text = 0xFFFFFFFF;
+	config->border_colors.focused_inactive.indicator = 0x484E50FF;
+	config->border_colors.focused_inactive.child_border = 0x5F676AFF;
+
+	config->border_colors.unfocused.border = 0x333333FF;
+	config->border_colors.unfocused.background = 0x222222FF;
+	config->border_colors.unfocused.text = 0x888888FF;
+	config->border_colors.unfocused.indicator = 0x292D2EFF;
+	config->border_colors.unfocused.child_border = 0x222222FF;
+
+	config->border_colors.urgent.border = 0x2F343AFF;
+	config->border_colors.urgent.background = 0x900000FF;
+	config->border_colors.urgent.text = 0xFFFFFFFF;
+	config->border_colors.urgent.indicator = 0x900000FF;
+	config->border_colors.urgent.child_border = 0x900000FF;
+
+	config->border_colors.placeholder.border = 0x000000FF;
+	config->border_colors.placeholder.background = 0x0C0C0CFF;
+	config->border_colors.placeholder.text = 0xFFFFFFFF;
+	config->border_colors.placeholder.indicator = 0x000000FF;
+	config->border_colors.placeholder.child_border = 0x0C0C0CFF;
+
+	config->border_colors.background = 0xFFFFFFFF;
 }
 
 static int compare_modifiers(const void *left, const void *right) {

sway/container.c

@@ -22,8 +22,11 @@ static swayc_t *new_swayc(enum swayc_types type) {
 	c->gaps = -1;
 	c->layout = L_NONE;
 	c->type = type;
+	c->border_type = config->border;
+	c->border_thickness = config->border_thickness;
 	if (type != C_VIEW) {
 		c->children = create_list();
+		c->border_type = B_NONE;
 	}
 	return c;
 }
@@ -266,11 +269,12 @@ swayc_t *new_view(swayc_t *sibling, wlc_handle handle) {
 	view->is_focused = true;
 	view->sticky = false;
 	// Setup geometry
-	const struct wlc_geometry* geometry = wlc_view_get_geometry(handle);
+	struct wlc_geometry geometry;
+	wlc_view_get_visible_geometry(handle, &geometry);
 	view->width = 0;
 	view->height = 0;
-	view->desired_width = geometry->size.w;
+	view->desired_width = geometry.size.w;
-	view->desired_height = geometry->size.h;
+	view->desired_height = geometry.size.h;
 
 	view->is_floating = false;
 
@@ -303,13 +307,14 @@ swayc_t *new_floating_view(wlc_handle handle) {
 	view->sticky = false;
 
 	// Set the geometry of the floating view
-	const struct wlc_geometry* geometry = wlc_view_get_geometry(handle);
+	struct wlc_geometry geometry;
+	wlc_view_get_visible_geometry(handle, &geometry);
 
 	// give it requested geometry, but place in center
-	view->x = (swayc_active_workspace()->width - geometry->size.w) / 2;
+	view->x = (swayc_active_workspace()->width - geometry.size.w) / 2;
-	view->y = (swayc_active_workspace()->height- geometry->size.h) / 2;
+	view->y = (swayc_active_workspace()->height- geometry.size.h) / 2;
-	view->width = geometry->size.w;
+	view->width = geometry.size.w;
-	view->height = geometry->size.h;
+	view->height = geometry.size.h;
 
 	view->desired_width = view->width;
 	view->desired_height = view->height;

sway/focus.c

@@ -7,6 +7,7 @@
 #include "config.h"
 #include "input_state.h"
 #include "ipc-server.h"
+#include "border.h"
 
 bool locked_container_focus = false;
 bool locked_view_focus = false;
@@ -28,6 +29,8 @@ static void update_focus(swayc_t *c) {
 
 		// Case where output changes
 		case C_OUTPUT:
+			// update borders for views in prev
+			container_map(prev, map_update_view_border, NULL);
 			wlc_output_focus(c->handle);
 			break;
 
@@ -130,6 +133,7 @@ bool set_focused_container(swayc_t *c) {
 		// unactivate previous focus
 		if (focused->type == C_VIEW) {
 			wlc_view_set_state(focused->handle, WLC_BIT_ACTIVATED, false);
+			update_view_border(focused);
 		}
 		// activate current focus
 		if (p->type == C_VIEW) {
@@ -137,6 +141,7 @@ bool set_focused_container(swayc_t *c) {
 			// set focus if view_focus is unlocked
 			if (!locked_view_focus) {
 				wlc_view_focus(p->handle);
+				update_view_border(p);
 			}
 		}
 	} else if (p->type == C_WORKSPACE) {

sway/handlers.c

@@ -9,6 +9,7 @@
 #include <ctype.h>
 
 #include "handlers.h"
+#include "border.h"
 #include "log.h"
 #include "layout.h"
 #include "config.h"
@@ -150,6 +151,10 @@ static void handle_output_post_render(wlc_handle output) {
 	ipc_get_pixels(output);
 }
 
+static void handle_view_pre_render(wlc_handle view) {
+	render_view_borders(view);
+}
+
 static void handle_output_resolution_change(wlc_handle output, const struct wlc_size *from, const struct wlc_size *to) {
 	sway_log(L_DEBUG, "Output %u resolution changed to %d x %d", (unsigned int)output, to->w, to->h);
 	swayc_t *c = swayc_by_handle(output);
@@ -716,6 +721,7 @@ void register_wlc_handlers() {
 	wlc_set_view_created_cb(handle_view_created);
 	wlc_set_view_destroyed_cb(handle_view_destroyed);
 	wlc_set_view_focus_cb(handle_view_focus);
+	wlc_set_view_render_pre_cb(handle_view_pre_render);
 	wlc_set_view_request_geometry_cb(handle_view_geometry_request);
 	wlc_set_view_request_state_cb(handle_view_state_request);
 	wlc_set_keyboard_key_cb(handle_key);

sway/layout.c

@@ -12,6 +12,7 @@
 #include "focus.h"
 #include "output.h"
 #include "ipc-server.h"
+#include "border.h"
 
 swayc_t root_container;
 list_t *scratchpad;
@@ -373,6 +374,46 @@ void move_workspace_to(swayc_t* workspace, swayc_t* destination) {
 	update_visibility(src_op);
 }
 
+static void update_border_geometry_floating(swayc_t *c, struct wlc_geometry *geometry) {
+	struct wlc_geometry g = *geometry;
+	c->actual_geometry = g;
+
+	switch (c->border_type) {
+	case B_NONE:
+		break;
+	case B_PIXEL:
+		g.origin.x -= c->border_thickness;
+		g.origin.y -= c->border_thickness;
+		g.size.w += (c->border_thickness * 2);
+		g.size.h += (c->border_thickness * 2);
+		break;
+	case B_NORMAL:
+		g.origin.x -= c->border_thickness;
+		uint32_t title_bar_height = config->font_height + 4; // borders + padding
+		g.origin.y -= title_bar_height;
+		g.size.w += (c->border_thickness * 2);
+		g.size.h += (c->border_thickness + title_bar_height);
+
+		struct wlc_geometry title_bar = {
+			.origin = {
+				.x = g.origin.x,
+				.y = g.origin.y
+			},
+			.size = {
+				.w = g.size.w,
+				.h = title_bar_height
+			}
+		};
+		c->title_bar_geometry = title_bar;
+		break;
+	}
+
+	c->border_geometry = g;
+	*geometry = c->actual_geometry;
+
+	update_view_border(c);
+}
+
 void update_geometry(swayc_t *container) {
 	if (container->type != C_VIEW) {
 		return;
@@ -426,6 +467,81 @@ void update_geometry(swayc_t *container) {
 			geometry.size.h = ws->y + ws->height - geometry.origin.y;
 		}
 	}
+
+	if (swayc_is_fullscreen(container)) {
+		container->border_geometry = (const struct wlc_geometry){0};
+		container->title_bar_geometry = (const struct wlc_geometry){0};
+	} else if (container->is_floating) { // allocate border for floating window
+		update_border_geometry_floating(container, &geometry);
+	} else if (!container->is_floating) { // allocate border for titled window
+		container->border_geometry = geometry;
+
+		int border_top = container->border_thickness;
+		int border_bottom = container->border_thickness;
+		int border_left = container->border_thickness;
+		int border_right = container->border_thickness;
+
+		// handle hide_edge_borders
+		if (config->hide_edge_borders != E_NONE && gap <= 0) {
+			swayc_t *output = swayc_parent_by_type(container, C_OUTPUT);
+			const struct wlc_size *size = wlc_output_get_resolution(output->handle);
+
+			if (config->hide_edge_borders == E_HORIZONTAL || config->hide_edge_borders == E_BOTH) {
+				if (geometry.origin.x == 0) {
+					border_left = 0;
+				}
+
+				if (geometry.origin.x + geometry.size.w == size->w) {
+					border_right = 0;
+				}
+			}
+
+			if (config->hide_edge_borders == E_VERTICAL || config->hide_edge_borders == E_BOTH) {
+				if (geometry.origin.y == 0) {
+					border_top = 0;
+				}
+
+				if (geometry.origin.y + geometry.size.h == size->h) {
+					border_bottom = 0;
+				}
+			}
+		}
+
+		switch (container->border_type) {
+		case B_NONE:
+			break;
+		case B_PIXEL:
+			geometry.origin.x += border_left;
+			geometry.origin.y += border_top;
+			geometry.size.w -= (border_left + border_right);
+			geometry.size.h -= (border_top + border_bottom);
+			break;
+		case B_NORMAL:
+			{
+				struct wlc_geometry title_bar = {
+					.origin = {
+						.x = container->border_geometry.origin.x,
+						.y = container->border_geometry.origin.y
+					},
+					.size = {
+						.w = container->border_geometry.size.w,
+						.h = config->font_height + 4 // borders + padding
+					}
+				};
+				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;
+				break;
+			}
+		}
+
+		container->actual_geometry = geometry;
+
+		update_view_border(container);
+	}
+
 	wlc_view_set_geometry(container->handle, 0, &geometry);
 }
 

sway/sway.5.txt

@@ -43,6 +43,15 @@ The following commands may only be used in the configuration file.
 The following commands cannot be used directly in the configuration file.
 They are expected to be used with **bindsym** or at runtime through **swaymsg**(1).
 
+**border** <normal|pixel> [<n>]::
+	Set border style for windows. _normal_ includes a border of thickness _n_ and
+	a title bar. _pixel_ is just the border without title bar. Default is _normal_
+	with border thickness 2.
+
+**border** <none|toggle>::
+	Set border style to _none_ or _toggle_ between the available border styles:
+	_normal_, _pixel_, _none_.
+
 **exit**::
 	Exit sway and end your Wayland session.
 
@@ -67,6 +76,9 @@ They are expected to be used with **bindsym** or at runtime through **swaymsg**(
 **fullscreen**::
 	Toggles fullscreen status for the focused view.
 
+**hide_edge_borders** <none|vertical|horizontal|both>::
+	Hide window borders adjacent to the screen edges. Default is _none_.
+
 **layout** <mode>::
 	Sets the layout mode of the focused container. _mode_ can be one of _splith_,
 	_splitv_, or _toggle split_.

swaybar/config.c

@@ -35,9 +35,11 @@ uint32_t parse_position(const char *position) {
 char *parse_font(const char *font) {
 	char *new_font = NULL;
 	if (strncmp("pango:", font, 6) == 0) {
-		new_font = strdup(font + 6);
+		font += 6;
 	}
 
+	new_font = strdup(font);
+
 	return new_font;
 }
 

swaybar/render.c

@@ -50,7 +50,7 @@ static void render_sharp_line(cairo_t *cairo, uint32_t color, double x, double y
 
 static void render_block(struct window *window, struct config *config, struct status_block *block, double *x, bool edge) {
 	int width, height, sep_width;
-	get_text_size(window, &width, &height, "%s", block->full_text);
+	get_text_size(window->cairo, window->font, &width, &height, "%s", block->full_text);
 
 	int textwidth = width;
 	double block_width = width;
@@ -74,7 +74,7 @@ static void render_block(struct window *window, struct config *config, struct st
 	// Add separator
 	if (!edge) {
 		if (config->sep_symbol) {
-			get_text_size(window, &sep_width, &height, "%s", config->sep_symbol);
+			get_text_size(window->cairo, window->font, &sep_width, &height, "%s", config->sep_symbol);
 			if (sep_width > block->separator_block_width) {
 				block->separator_block_width = sep_width + margin * 2;
 			}
@@ -136,7 +136,7 @@ static void render_block(struct window *window, struct config *config, struct st
 
 	cairo_move_to(window->cairo, offset, margin);
 	cairo_set_source_u32(window->cairo, block->color);
-	pango_printf(window, "%s", block->full_text);
+	pango_printf(window->cairo, window->font, "%s", block->full_text);
 
 	pos += width;
 
@@ -159,7 +159,7 @@ static void render_block(struct window *window, struct config *config, struct st
 		if (config->sep_symbol) {
 			offset = pos + (block->separator_block_width - sep_width) / 2;
 			cairo_move_to(window->cairo, offset, margin);
-			pango_printf(window, "%s", config->sep_symbol);
+			pango_printf(window->cairo, window->font, "%s", config->sep_symbol);
 		} else {
 			cairo_set_line_width(window->cairo, 1);
 			cairo_move_to(window->cairo, pos + block->separator_block_width/2,
@@ -201,7 +201,7 @@ static void render_workspace_button(struct window *window, struct config *config
 	char *name = handle_workspace_number(config->strip_workspace_numbers, ws->name);
 
 	int width, height;
-	get_text_size(window, &width, &height, "%s", name);
+	get_text_size(window->cairo, window->font, &width, &height, "%s", name);
 	struct box_colors box_colors;
 	if (ws->urgent) {
 		box_colors = config->colors.urgent_workspace;
@@ -228,7 +228,7 @@ static void render_workspace_button(struct window *window, struct config *config
 	// text
 	cairo_set_source_u32(window->cairo, box_colors.text);
 	cairo_move_to(window->cairo, (int)*x + ws_horizontal_padding, margin);
-	pango_printf(window, "%s", name);
+	pango_printf(window->cairo, window->font, "%s", name);
 
 	*x += width + ws_horizontal_padding * 2 + ws_spacing;
 
@@ -237,7 +237,7 @@ static void render_workspace_button(struct window *window, struct config *config
 
 static void render_binding_mode_indicator(struct window *window, struct config *config, double pos) {
 	int width, height;
-	get_text_size(window, &width, &height, "%s", config->mode);
+	get_text_size(window->cairo, window->font, &width, &height, "%s", config->mode);
 
 	// background
 	cairo_set_source_u32(window->cairo, config->colors.binding_mode.background);
@@ -254,7 +254,7 @@ static void render_binding_mode_indicator(struct window *window, struct config *
 	// text
 	cairo_set_source_u32(window->cairo, config->colors.binding_mode.text);
 	cairo_move_to(window->cairo, (int)pos + ws_horizontal_padding, margin);
-	pango_printf(window, "%s", config->mode);
+	pango_printf(window->cairo, window->font, "%s", config->mode);
 }
 
 void render(struct output *output, struct config *config, struct status_line *line) {
@@ -278,9 +278,9 @@ void render(struct output *output, struct config *config, struct status_line *li
 	int width, height;
 
 	if (line->protocol == TEXT) {
-		get_text_size(window, &width, &height, "%s", line->text_line);
+		get_text_size(window->cairo, window->font, &width, &height, "%s", line->text_line);
 		cairo_move_to(cairo, window->width - margin - width, margin);
-		pango_printf(window, "%s", line->text_line);
+		pango_printf(window->cairo, window->font, "%s", line->text_line);
 	} else if (line->protocol == I3BAR && line->block_line) {
 		double pos = window->width - 0.5;
 		bool edge = true;
@@ -312,7 +312,7 @@ void render(struct output *output, struct config *config, struct status_line *li
 
 void set_window_height(struct window *window, int height) {
 		int text_width, text_height;
-		get_text_size(window, &text_width, &text_height, "Test string for measuring purposes");
+		get_text_size(window->cairo, window->font, &text_width, &text_height, "Test string for measuring purposes");
 		if (height > 0) {
 			margin = (height - text_height) / 2;
 			ws_vertical_padding = margin - 1.5;

wayland/pango.c

@@ -4,21 +4,19 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
-#include "client/window.h"
-#include "client/buffer.h"
 #include "log.h"
 
-PangoLayout *get_pango_layout(struct window *window, const char *text) {
+PangoLayout *get_pango_layout(cairo_t *cairo, const char *font, const char *text) {
-	PangoLayout *layout = pango_cairo_create_layout(window->cairo);
+	PangoLayout *layout = pango_cairo_create_layout(cairo);
 	pango_layout_set_text(layout, text, -1);
-	PangoFontDescription *desc = pango_font_description_from_string(window->font);
+	PangoFontDescription *desc = pango_font_description_from_string(font);
 	pango_layout_set_font_description(layout, desc);
 	pango_layout_set_single_paragraph_mode(layout, 1);
 	pango_font_description_free(desc);
 	return layout;
 }
 
-void get_text_size(struct window *window, int *width, int *height, const char *fmt, ...) {
+void get_text_size(cairo_t *cairo, const char *font, int *width, int *height, const char *fmt, ...) {
 	char *buf = malloc(2048);
 
 	va_list args;
@@ -28,8 +26,8 @@ void get_text_size(struct window *window, int *width, int *height, const char *f
 	}
 	va_end(args);
 
-	PangoLayout *layout = get_pango_layout(window, buf);
+	PangoLayout *layout = get_pango_layout(cairo, font, buf);
-	pango_cairo_update_layout(window->cairo, layout);
+	pango_cairo_update_layout(cairo, layout);
 
 	pango_layout_get_pixel_size(layout, width, height);
 
@@ -38,7 +36,7 @@ void get_text_size(struct window *window, int *width, int *height, const char *f
 	free(buf);
 }
 
-void pango_printf(struct window *window, const char *fmt, ...) {
+void pango_printf(cairo_t *cairo, const char *font, const char *fmt, ...) {
 	char *buf = malloc(2048);
 
 	va_list args;
@@ -48,10 +46,10 @@ void pango_printf(struct window *window, const char *fmt, ...) {
 	}
 	va_end(args);
 
-	PangoLayout *layout = get_pango_layout(window, buf);
+	PangoLayout *layout = get_pango_layout(cairo, font, buf);
-	pango_cairo_update_layout(window->cairo, layout);
+	pango_cairo_update_layout(cairo, layout);
 
-	pango_cairo_show_layout(window->cairo, layout);
+	pango_cairo_show_layout(cairo, layout);
 
 	g_object_unref(layout);