Implement hide_edge_borders

sway/commands.c

@@ -108,6 +108,7 @@ static struct cmd_handler handlers[] = {
 	{ "font", cmd_font },
 	{ "for_window", cmd_for_window },
 	{ "fullscreen", cmd_fullscreen },
+	{ "hide_edge_borders", cmd_hide_edge_borders },
 	{ "include", cmd_include },
 	{ "input", cmd_input },
 	{ "mode", cmd_mode },

sway/commands/hide_edge_borders.c

@@ -0,0 +1,37 @@
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/tree/container.h"
+#include "sway/tree/view.h"
+
+static void _configure_view(struct sway_container *con, void *data) {
+	if (con->type == C_VIEW) {
+		view_autoconfigure(con->sway_view);
+	}
+}
+
+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 (strcmp(argv[0], "none") == 0) {
+		config->hide_edge_borders = E_NONE;
+	} else if (strcmp(argv[0], "vertical") == 0) {
+		config->hide_edge_borders = E_VERTICAL;
+	} else if (strcmp(argv[0], "horizontal") == 0) {
+		config->hide_edge_borders = E_HORIZONTAL;
+	} else if (strcmp(argv[0], "both") == 0) {
+		config->hide_edge_borders = E_BOTH;
+	} else if (strcmp(argv[0], "smart") == 0) {
+		config->hide_edge_borders = E_SMART;
+	} else {
+		return cmd_results_new(CMD_INVALID, "hide_edge_borders",
+				"Expected 'hide_edge_borders "
+				"<none|vertical|horizontal|both|smart>'");
+	}
+
+	container_for_each_descendant_dfs(&root_container, _configure_view, NULL);
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/desktop/output.c

@@ -14,6 +14,7 @@
 #include <wlr/types/wlr_wl_shell.h>
 #include <wlr/util/region.h>
 #include "log.h"
+#include "sway/config.h"
 #include "sway/input/input-manager.h"
 #include "sway/input/seat.h"
 #include "sway/layers.h"
@@ -321,6 +322,12 @@ static void render_container_simple_border_normal(struct sway_output *output,
 	struct wlr_box box;
 	float color[4];
 
+	struct sway_container *workspace = container_parent(con, C_WORKSPACE);
+	int other_views = workspace->children->length - 1;
+
+	if (config->hide_edge_borders != E_VERTICAL
+			&& config->hide_edge_borders != E_BOTH
+			&& (config->hide_edge_borders != E_SMART || other_views)) {
 		// Child border - left edge
 		memcpy(&color, colors->child_border, sizeof(float) * 4);
 		color[3] *= con->alpha;
@@ -331,7 +338,8 @@ static void render_container_simple_border_normal(struct sway_output *output,
 		render_rect(output->wlr_output, output_damage, &box, color);
 
 		// Child border - right edge
-	if (con->parent->children->length == 1 && con->parent->layout == L_HORIZ) {
+		if (con->parent->children->length == 1
+				&& con->parent->layout == L_HORIZ) {
 			memcpy(&color, colors->indicator, sizeof(float) * 4);
 		} else {
 			memcpy(&color, colors->child_border, sizeof(float) * 4);
@@ -342,9 +350,14 @@ static void render_container_simple_border_normal(struct sway_output *output,
 		box.width = con->sway_view->border_thickness;
 		box.height = con->height - 1;
 		render_rect(output->wlr_output, output_damage, &box, color);
+	}
 
+	if (config->hide_edge_borders != E_HORIZONTAL
+			&& config->hide_edge_borders != E_BOTH
+			&& (config->hide_edge_borders != E_SMART || other_views)) {
 		// Child border - bottom edge
-	if (con->parent->children->length == 1 && con->parent->layout == L_VERT) {
+		if (con->parent->children->length == 1
+				&& con->parent->layout == L_VERT) {
 			memcpy(&color, colors->indicator, sizeof(float) * 4);
 		} else {
 			memcpy(&color, colors->child_border, sizeof(float) * 4);
@@ -392,13 +405,15 @@ static void render_container_simple_border_normal(struct sway_output *output,
 				&texture_box.width, &texture_box.height);
 
 			float matrix[9];
-		wlr_matrix_project_box(matrix, &texture_box, WL_OUTPUT_TRANSFORM_NORMAL,
+			wlr_matrix_project_box(matrix, &texture_box,
+				WL_OUTPUT_TRANSFORM_NORMAL,
 				0.0, output->wlr_output->transform_matrix);
 
 			render_texture(output->wlr_output, output_damage, title_texture,
 				&texture_box, matrix, 1.0);
 		}
 	}
+}
 
 /**
  * Render decorations for a view with "border pixel".
@@ -409,6 +424,12 @@ static void render_container_simple_border_pixel(struct sway_output *output,
 	struct wlr_box box;
 	float color[4];
 
+	struct sway_container *workspace = container_parent(con, C_WORKSPACE);
+	int other_views = workspace->children->length - 1;
+
+	if (config->hide_edge_borders != E_VERTICAL
+			&& config->hide_edge_borders != E_BOTH
+			&& (config->hide_edge_borders != E_SMART || other_views)) {
 		// Child border - left edge
 		memcpy(&color, colors->child_border, sizeof(float) * 4);
 		color[3] *= con->alpha;
@@ -419,7 +440,8 @@ static void render_container_simple_border_pixel(struct sway_output *output,
 		render_rect(output->wlr_output, output_damage, &box, color);
 
 		// Child border - right edge
-	if (con->parent->children->length == 1 && con->parent->layout == L_HORIZ) {
+		if (con->parent->children->length == 1
+				&& con->parent->layout == L_HORIZ) {
 			memcpy(&color, colors->indicator, sizeof(float) * 4);
 		} else {
 			memcpy(&color, colors->child_border, sizeof(float) * 4);
@@ -430,7 +452,11 @@ static void render_container_simple_border_pixel(struct sway_output *output,
 		box.width = con->sway_view->border_thickness;
 		box.height = con->height;
 		render_rect(output->wlr_output, output_damage, &box, color);
+	}
 
+	if (config->hide_edge_borders != E_HORIZONTAL
+			&& config->hide_edge_borders != E_BOTH
+			&& (config->hide_edge_borders != E_SMART || other_views)) {
 		// Child border - top edge
 		box.x = con->x;
 		box.y = con->y;
@@ -439,7 +465,8 @@ static void render_container_simple_border_pixel(struct sway_output *output,
 		render_rect(output->wlr_output, output_damage, &box, color);
 
 		// Child border - bottom edge
-	if (con->parent->children->length == 1 && con->parent->layout == L_VERT) {
+		if (con->parent->children->length == 1
+				&& con->parent->layout == L_VERT) {
 			memcpy(&color, colors->indicator, sizeof(float) * 4);
 		} else {
 			memcpy(&color, colors->child_border, sizeof(float) * 4);
@@ -451,6 +478,7 @@ static void render_container_simple_border_pixel(struct sway_output *output,
 		box.height = con->sway_view->border_thickness;
 		render_rect(output->wlr_output, output_damage, &box, color);
 	}
+}
 
 static void render_container(struct sway_output *output,
 	pixman_region32_t *damage, struct sway_container *con, bool parent_focused);

sway/meson.build

@@ -41,6 +41,7 @@ sway_sources = files(
 	'commands/font.c',
 	'commands/for_window.c',
 	'commands/fullscreen.c',
+	'commands/hide_edge_borders.c',
 	'commands/kill.c',
 	'commands/opacity.c',
 	'commands/include.c',

sway/tree/view.c

@@ -100,6 +100,9 @@ void view_autoconfigure(struct sway_view *view) {
 		return;
 	}
 
+	struct sway_container *ws = container_parent(view->swayc, C_WORKSPACE);
+	int other_views = ws->children->length - 1;
+
 	double x, y, width, height;
 	x = y = width = height = 0;
 	switch (view->border) {
@@ -110,18 +113,51 @@ void view_autoconfigure(struct sway_view *view) {
 		height = view->swayc->height;
 		break;
 	case B_PIXEL:
+		if (view->swayc->layout > L_VERT
+				|| config->hide_edge_borders == E_NONE
+				|| config->hide_edge_borders == E_HORIZONTAL
+				|| (config->hide_edge_borders == E_SMART && other_views)) {
 			x = view->swayc->x + view->border_thickness;
-		y = view->swayc->y + view->border_thickness;
 			width = view->swayc->width - view->border_thickness * 2;
+		} else {
+			x = view->swayc->x;
+			width = view->swayc->width;
+		}
+		if (view->swayc->layout > L_VERT
+				|| config->hide_edge_borders == E_NONE
+				|| config->hide_edge_borders == E_VERTICAL
+				|| (config->hide_edge_borders == E_SMART && other_views)) {
+			y = view->swayc->y + view->border_thickness;
 			height = view->swayc->height - view->border_thickness * 2;
+		} else {
+			y = view->swayc->y;
+			height = view->swayc->height;
+		}
 		break;
 	case B_NORMAL:
-		// Height is: border + title height + border + view height + border
+		if (view->swayc->layout > L_VERT
+				|| config->hide_edge_borders == E_NONE
+				|| config->hide_edge_borders == E_HORIZONTAL
+				|| (config->hide_edge_borders == E_SMART && other_views)) {
 			x = view->swayc->x + view->border_thickness;
-		y = view->swayc->y + config->font_height + view->border_thickness * 2;
 			width = view->swayc->width - view->border_thickness * 2;
+		} else {
+			x = view->swayc->x;
+			width = view->swayc->width;
+		}
+		if (view->swayc->layout > L_VERT
+				|| config->hide_edge_borders == E_NONE
+				|| config->hide_edge_borders == E_VERTICAL
+				|| (config->hide_edge_borders == E_SMART && other_views)) {
+			// Height is: border + title height + border + view height + border
+			y = view->swayc->y + config->font_height
+				+ view->border_thickness * 2;
 			height = view->swayc->height - config->font_height
 				- view->border_thickness * 3;
+		} else {
+			y = view->swayc->y;
+			height = view->swayc->height;
+		}
 		break;
 	}