17 files changed, 453 insertions, 134 deletions

diff --git a/include/sway/commands.h b/include/sway/commands.h
index 32d6cefd..3ebd0002 100644
--- a/include/sway/commands.h
+++ b/include/sway/commands.h
@@ -210,6 +210,7 @@ sway_cmd input_cmd_repeat_rate;
 sway_cmd input_cmd_scroll_button;
 sway_cmd input_cmd_scroll_method;
 sway_cmd input_cmd_tap;
+sway_cmd input_cmd_tap_button_map;
 sway_cmd input_cmd_xkb_layout;
 sway_cmd input_cmd_xkb_model;
 sway_cmd input_cmd_xkb_options;
diff --git a/include/sway/config.h b/include/sway/config.h
index 75acd4f2..f660a269 100644
--- a/include/sway/config.h
+++ b/include/sway/config.h
@@ -79,6 +79,7 @@ struct input_config {
         int scroll_method;
         int send_events;
         int tap;
+        int tap_button_map;
 
         char *xkb_layout;
         char *xkb_model;
diff --git a/include/sway/debug.h b/include/sway/debug.h
index 2430d319..38d4eccd 100644
--- a/include/sway/debug.h
+++ b/include/sway/debug.h
@@ -1,7 +1,15 @@
 #ifndef SWAY_DEBUG_H
 #define SWAY_DEBUG_H
 
+// Tree
 extern bool enable_debug_tree;
 void update_debug_tree();
 
+// Damage
+extern const char *damage_debug;
+
+// Transactions
+extern int txn_timeout_ms;
+extern bool txn_debug;
+
 #endif
diff --git a/sway/commands/input.c b/sway/commands/input.c
index e7906b0e..5b203ea0 100644
--- a/sway/commands/input.c
+++ b/sway/commands/input.c
@@ -23,6 +23,7 @@ static struct cmd_handler input_handlers[] = {
         { "scroll_button", input_cmd_scroll_button },
         { "scroll_method", input_cmd_scroll_method },
         { "tap", input_cmd_tap },
+        { "tap_button_map", input_cmd_tap_button_map },
         { "xkb_layout", input_cmd_xkb_layout },
         { "xkb_model", input_cmd_xkb_model },
         { "xkb_options", input_cmd_xkb_options },
diff --git a/sway/commands/input/tap_button_map.c b/sway/commands/input/tap_button_map.c
new file mode 100644
index 00000000..bdbba472
--- /dev/null
+++ b/sway/commands/input/tap_button_map.c
@@ -0,0 +1,33 @@
+#include <string.h>
+#include <strings.h>
+#include "sway/config.h"
+#include "sway/commands.h"
+#include "sway/input/input-manager.h"
+
+struct cmd_results *input_cmd_tap_button_map(int argc, char **argv) {
+        struct cmd_results *error = NULL;
+        if ((error = checkarg(argc, "tap_button_map", EXPECTED_AT_LEAST, 1))) {
+                return error;
+        }
+        struct input_config *current_input_config =
+                config->handler_context.input_config;
+        if (!current_input_config) {
+                return cmd_results_new(CMD_FAILURE, "tap_button_map",
+                                "No input device defined.");
+        }
+        struct input_config *new_config =
+                new_input_config(current_input_config->identifier);
+
+        if (strcasecmp(argv[0], "lrm") == 0) {
+                new_config->tap_button_map = LIBINPUT_CONFIG_TAP_MAP_LRM;
+        } else if (strcasecmp(argv[0], "lmr") == 0) {
+                new_config->tap_button_map = LIBINPUT_CONFIG_TAP_MAP_LMR;
+        } else {
+                free_input_config(new_config);
+                return cmd_results_new(CMD_INVALID, "tap_button_map",
+                        "Expected 'tap_button_map <lrm|lmr>'");
+        }
+
+        apply_input_config(new_config);
+        return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
diff --git a/sway/commands/resize.c b/sway/commands/resize.c
index 5efbd8b0..2cf811d8 100644
--- a/sway/commands/resize.c
+++ b/sway/commands/resize.c
@@ -1,4 +1,5 @@
 #include <errno.h>
+#include <limits.h>
 #include <math.h>
 #include <stdbool.h>
 #include <stdlib.h>
@@ -7,6 +8,7 @@
 #include <wlr/util/log.h>
 #include "sway/commands.h"
 #include "sway/tree/arrange.h"
+#include "sway/tree/view.h"
 #include "log.h"
 
 static const int MIN_SANE_W = 100, MIN_SANE_H = 60;
@@ -21,9 +23,18 @@ enum resize_unit {
 enum resize_axis {
         RESIZE_AXIS_HORIZONTAL,
         RESIZE_AXIS_VERTICAL,
+        RESIZE_AXIS_UP,
+        RESIZE_AXIS_DOWN,
+        RESIZE_AXIS_LEFT,
+        RESIZE_AXIS_RIGHT,
         RESIZE_AXIS_INVALID,
 };
 
+struct resize_amount {
+        int amount;
+        enum resize_unit unit;
+};
+
 static enum resize_unit parse_resize_unit(const char *unit) {
         if (strcasecmp(unit, "px") == 0) {
                 return RESIZE_UNIT_PX;
@@ -37,6 +48,69 @@ static enum resize_unit parse_resize_unit(const char *unit) {
         return RESIZE_UNIT_INVALID;
 }
 
+// Parse arguments such as "10", "10px" or "10 px".
+// Returns the number of arguments consumed.
+static int parse_resize_amount(int argc, char **argv,
+                struct resize_amount *amount) {
+        char *err;
+        amount->amount = (int)strtol(argv[0], &err, 10);
+        if (*err) {
+                // e.g. 10px
+                amount->unit = parse_resize_unit(err);
+                return 1;
+        }
+        if (argc == 1) {
+                amount->unit = RESIZE_UNIT_DEFAULT;
+                return 1;
+        }
+        // Try the second argument
+        amount->unit = parse_resize_unit(argv[1]);
+        if (amount->unit == RESIZE_UNIT_INVALID) {
+                amount->unit = RESIZE_UNIT_DEFAULT;
+                return 1;
+        }
+        return 2;
+}
+
+static void calculate_constraints(int *min_width, int *max_width,
+                int *min_height, int *max_height) {
+        struct sway_container *con = config->handler_context.current_container;
+
+        if (config->floating_minimum_width == -1) { // no minimum
+                *min_width = 0;
+        } else if (config->floating_minimum_width == 0) { // automatic
+                *min_width = 75;
+        } else {
+                *min_width = config->floating_minimum_width;
+        }
+
+        if (config->floating_minimum_height == -1) { // no minimum
+                *min_height = 0;
+        } else if (config->floating_minimum_height == 0) { // automatic
+                *min_height = 50;
+        } else {
+                *min_height = config->floating_minimum_height;
+        }
+
+        if (config->floating_maximum_width == -1) { // no maximum
+                *max_width = INT_MAX;
+        } else if (config->floating_maximum_width == 0) { // automatic
+                struct sway_container *ws = container_parent(con, C_WORKSPACE);
+                *max_width = ws->width;
+        } else {
+                *max_width = config->floating_maximum_width;
+        }
+
+        if (config->floating_maximum_height == -1) { // no maximum
+                *max_height = INT_MAX;
+        } else if (config->floating_maximum_height == 0) { // automatic
+                struct sway_container *ws = container_parent(con, C_WORKSPACE);
+                *max_height = ws->height;
+        } else {
+                *max_height = config->floating_maximum_height;
+        }
+}
+
 static enum resize_axis parse_resize_axis(const char *axis) {
         if (strcasecmp(axis, "width") == 0 || strcasecmp(axis, "horizontal") == 0) {
                 return RESIZE_AXIS_HORIZONTAL;
@@ -44,6 +118,18 @@ static enum resize_axis parse_resize_axis(const char *axis) {
         if (strcasecmp(axis, "height") == 0 || strcasecmp(axis, "vertical") == 0) {
                 return RESIZE_AXIS_VERTICAL;
         }
+        if (strcasecmp(axis, "up") == 0) {
+                return RESIZE_AXIS_UP;
+        }
+        if (strcasecmp(axis, "down") == 0) {
+                return RESIZE_AXIS_DOWN;
+        }
+        if (strcasecmp(axis, "left") == 0) {
+                return RESIZE_AXIS_LEFT;
+        }
+        if (strcasecmp(axis, "right") == 0) {
+                return RESIZE_AXIS_RIGHT;
+        }
         return RESIZE_AXIS_INVALID;
 }
 
@@ -185,102 +271,312 @@ static void resize_tiled(int amount, enum resize_axis axis) {
         arrange_and_commit(parent->parent);
 }
 
-static void resize(int amount, enum resize_axis axis, enum resize_unit unit) {
-        struct sway_container *current = config->handler_context.current_container;
-        if (unit == RESIZE_UNIT_DEFAULT) {
-                // Default for tiling; TODO floating should be px
-                unit = RESIZE_UNIT_PPT;
+/**
+ * Implement `resize <grow|shrink>` for a floating container.
+ */
+static struct cmd_results *resize_adjust_floating(enum resize_axis axis,
+                struct resize_amount *amount) {
+        struct sway_container *con = config->handler_context.current_container;
+        int grow_width = 0, grow_height = 0;
+        switch (axis) {
+        case RESIZE_AXIS_HORIZONTAL:
+        case RESIZE_AXIS_LEFT:
+        case RESIZE_AXIS_RIGHT:
+                grow_width = amount->amount;
+                break;
+        case RESIZE_AXIS_VERTICAL:
+        case RESIZE_AXIS_UP:
+        case RESIZE_AXIS_DOWN:
+                grow_height = amount->amount;
+                break;
+        case RESIZE_AXIS_INVALID:
+                return cmd_results_new(CMD_INVALID, "resize", "Invalid axis/direction");
+        }
+        // Make sure we're not adjusting beyond floating min/max size
+        int min_width, max_width, min_height, max_height;
+        calculate_constraints(&min_width, &max_width, &min_height, &max_height);
+        if (con->width + grow_width < min_width) {
+                grow_width = min_width - con->width;
+        } else if (con->width + grow_width > max_width) {
+                grow_width = max_width - con->width;
         }
+        if (con->height + grow_height < min_height) {
+                grow_height = min_height - con->height;
+        } else if (con->height + grow_height > max_height) {
+                grow_height = max_height - con->height;
+        }
+        int grow_x = 0, grow_y = 0;
+        switch (axis) {
+        case RESIZE_AXIS_HORIZONTAL:
+                grow_x = -grow_width / 2;
+                break;
+        case RESIZE_AXIS_VERTICAL:
+                grow_y = -grow_height / 2;
+                break;
+        case RESIZE_AXIS_UP:
+                grow_y = -grow_height;
+                break;
+        case RESIZE_AXIS_LEFT:
+                grow_x = -grow_width;
+                break;
+        case RESIZE_AXIS_DOWN:
+        case RESIZE_AXIS_RIGHT:
+                break;
+        case RESIZE_AXIS_INVALID:
+                return cmd_results_new(CMD_INVALID, "resize", "Invalid axis/direction");
+        }
+        con->x += grow_x;
+        con->y += grow_y;
+        con->width += grow_width;
+        con->height += grow_height;
+
+        if (con->type == C_VIEW) {
+                struct sway_view *view = con->sway_view;
+                view->x += grow_x;
+                view->y += grow_y;
+                view->width += grow_width;
+                view->height += grow_height;
+        }
+
+        arrange_and_commit(con);
+
+        return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
 
-        if (unit == RESIZE_UNIT_PPT) {
-                float pct = amount / 100.0f;
+/**
+ * Implement `resize <grow|shrink>` for a tiled container.
+ */
+static struct cmd_results *resize_adjust_tiled(enum resize_axis axis,
+                struct resize_amount *amount) {
+        struct sway_container *current = config->handler_context.current_container;
+
+        if (amount->unit == RESIZE_UNIT_DEFAULT) {
+                amount->unit = RESIZE_UNIT_PPT;
+        }
+        if (amount->unit == RESIZE_UNIT_PPT) {
+                float pct = amount->amount / 100.0f;
+                // TODO: Make left/right/up/down resize in that direction?
                 switch (axis) {
+                case RESIZE_AXIS_LEFT:
+                case RESIZE_AXIS_RIGHT:
                 case RESIZE_AXIS_HORIZONTAL:
-                        amount = (float)current->width * pct;
+                        amount->amount = (float)current->width * pct;
                         break;
+                case RESIZE_AXIS_UP:
+                case RESIZE_AXIS_DOWN:
                 case RESIZE_AXIS_VERTICAL:
-                        amount = (float)current->height * pct;
+                        amount->amount = (float)current->height * pct;
                         break;
-                default:
-                        sway_assert(0, "invalid resize axis");
-                        return;
+                case RESIZE_AXIS_INVALID:
+                        return cmd_results_new(CMD_INVALID, "resize",
+                                        "Invalid resize axis/direction");
                 }
         }
 
-        return resize_tiled(amount, axis);
+        resize_tiled(amount->amount, axis);
+        return cmd_results_new(CMD_SUCCESS, NULL, NULL);
 }
 
-struct cmd_results *cmd_resize(int argc, char **argv) {
-        struct sway_container *current = config->handler_context.current_container;
-        if (!current) {
-                return cmd_results_new(CMD_INVALID, "resize", "Cannot resize nothing");
-        }
-        if (current->type != C_VIEW && current->type != C_CONTAINER) {
-                return cmd_results_new(CMD_INVALID, "resize",
-                                "Can only resize views/containers");
+/**
+ * Implement `resize set` for a tiled container.
+ */
+static struct cmd_results *resize_set_tiled(struct sway_container *con,
+                struct resize_amount *width, struct resize_amount *height) {
+        return cmd_results_new(CMD_INVALID, "resize",
+                        "'resize set' is not implemented for tiled views");
+}
+
+/**
+ * Implement `resize set` for a floating container.
+ */
+static struct cmd_results *resize_set_floating(struct sway_container *con,
+                struct resize_amount *width, struct resize_amount *height) {
+        int min_width, max_width, min_height, max_height;
+        calculate_constraints(&min_width, &max_width, &min_height, &max_height);
+        width->amount = fmax(min_width, fmin(width->amount, max_width));
+        height->amount = fmax(min_height, fmin(height->amount, max_height));
+        int grow_width = width->amount - con->width;
+        int grow_height = height->amount - con->height;
+        con->x -= grow_width / 2;
+        con->y -= grow_height / 2;
+        con->width = width->amount;
+        con->height = height->amount;
+
+        if (con->type == C_VIEW) {
+                struct sway_view *view = con->sway_view;
+                view->x -= grow_width / 2;
+                view->y -= grow_height / 2;
+                view->width += grow_width;
+                view->height += grow_height;
         }
 
+        arrange_and_commit(con);
+
+        return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
+/**
+ * resize set <args>
+ *
+ * args: <width> [px|ppt] <height> [px|ppt]
+ */
+static struct cmd_results *cmd_resize_set(int argc, char **argv) {
         struct cmd_results *error;
         if ((error = checkarg(argc, "resize", EXPECTED_AT_LEAST, 2))) {
                 return error;
         }
-
-        if (strcasecmp(argv[0], "set") == 0) {
-                // TODO
-                //return cmd_resize_set(argc - 1, &argv[1]);
-                return cmd_results_new(CMD_INVALID, "resize", "resize set unimplemented");
+        const char *usage = "Expected 'resize set <width> <height>'";
+
+        // Width
+        struct resize_amount width;
+        int num_consumed_args = parse_resize_amount(argc, argv, &width);
+        argc -= num_consumed_args;
+        argv += num_consumed_args;
+        if (width.unit == RESIZE_UNIT_INVALID) {
+                return cmd_results_new(CMD_INVALID, "resize", usage);
+        }
+        if (!argc) {
+                return cmd_results_new(CMD_INVALID, "resize", usage);
         }
 
-        // TODO: resize grow|shrink left|right|up|down
+        // Height
+        struct resize_amount height;
+        num_consumed_args = parse_resize_amount(argc, argv, &height);
+        argc -= num_consumed_args;
+        argv += num_consumed_args;
+        if (height.unit == RESIZE_UNIT_INVALID) {
+                return cmd_results_new(CMD_INVALID, "resize", usage);
+        }
 
-        const char *usage = "Expected 'resize <shrink|grow> "
-                "<width|height> [<amount>] [px|ppt]'";
+        // If 0, don't resize that dimension
+        struct sway_container *con = config->handler_context.current_container;
+        if (width.amount <= 0) {
+                width.amount = con->width;
+        }
+        if (height.amount <= 0) {
+                height.amount = con->height;
+        }
 
-        int multiplier = 0;
-        if (strcasecmp(*argv, "grow") == 0) {
-                multiplier = 1;
-        } else if (strcasecmp(*argv, "shrink") == 0) {
-                multiplier = -1;
-        } else {
-                return cmd_results_new(CMD_INVALID, "resize", usage);
+        if (container_is_floating(con)) {
+                return resize_set_floating(con, &width, &height);
         }
-        --argc; ++argv;
+        return resize_set_tiled(con, &width, &height);
+}
 
+/**
+ * resize <grow|shrink> <args>
+ *
+ * args: <direction>
+ * args: <direction> <amount> <unit>
+ * args: <direction> <amount> <unit> or <amount> <other_unit>
+ */
+static struct cmd_results *cmd_resize_adjust(int argc, char **argv,
+                int multiplier) {
+        const char *usage = "Expected 'resize grow|shrink <direction> "
+                "[<amount> px|ppt [or <amount> px|ppt]]'";
         enum resize_axis axis = parse_resize_axis(*argv);
         if (axis == RESIZE_AXIS_INVALID) {
                 return cmd_results_new(CMD_INVALID, "resize", usage);
         }
         --argc; ++argv;
 
-        int amount = 10; // Default amount
-        enum resize_unit unit = RESIZE_UNIT_DEFAULT;
-
+        // First amount
+        struct resize_amount first_amount;
         if (argc) {
-                char *err;
-                amount = (int)strtol(*argv, &err, 10);
-                if (*err) {
-                        // e.g. `resize grow width 10px`
-                        unit = parse_resize_unit(err);
-                        if (unit == RESIZE_UNIT_INVALID) {
-                                return cmd_results_new(CMD_INVALID, "resize", usage);
-                        }
+                int num_consumed_args = parse_resize_amount(argc, argv, &first_amount);
+                argc -= num_consumed_args;
+                argv += num_consumed_args;
+                if (first_amount.unit == RESIZE_UNIT_INVALID) {
+                        return cmd_results_new(CMD_INVALID, "resize", usage);
                 }
-                --argc; ++argv;
+        } else {
+                first_amount.amount = 10;
+                first_amount.unit = RESIZE_UNIT_DEFAULT;
         }
 
+        // "or"
         if (argc) {
-                unit = parse_resize_unit(*argv);
-                if (unit == RESIZE_UNIT_INVALID) {
+                if (strcmp(*argv, "or") != 0) {
                         return cmd_results_new(CMD_INVALID, "resize", usage);
                 }
                 --argc; ++argv;
         }
 
+        // Second amount
+        struct resize_amount second_amount;
         if (argc) {
-                // Provied too many args, the bastard
-                return cmd_results_new(CMD_INVALID, "resize", usage);
+                int num_consumed_args = parse_resize_amount(argc, argv, &second_amount);
+                argc -= num_consumed_args;
+                argv += num_consumed_args;
+                if (second_amount.unit == RESIZE_UNIT_INVALID) {
+                        return cmd_results_new(CMD_INVALID, "resize", usage);
+                }
+        } else {
+                second_amount.unit = RESIZE_UNIT_INVALID;
         }
 
-        resize(amount * multiplier, axis, unit);
-        return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+        first_amount.amount *= multiplier;
+        second_amount.amount *= multiplier;
+
+        struct sway_container *con = config->handler_context.current_container;
+        if (container_is_floating(con)) {
+                // Floating containers can only resize in px. Choose an amount which
+                // uses px, with fallback to an amount that specified no unit.
+                if (first_amount.unit == RESIZE_UNIT_PX) {
+                        return resize_adjust_floating(axis, &first_amount);
+                } else if (second_amount.unit == RESIZE_UNIT_PX) {
+                        return resize_adjust_floating(axis, &second_amount);
+                } else if (first_amount.unit == RESIZE_UNIT_DEFAULT) {
+                        return resize_adjust_floating(axis, &first_amount);
+                } else if (second_amount.unit == RESIZE_UNIT_DEFAULT) {
+                        return resize_adjust_floating(axis, &second_amount);
+                } else {
+                        return cmd_results_new(CMD_INVALID, "resize",
+                                        "Floating containers cannot use ppt measurements");
+                }
+        }
+
+        // For tiling, prefer ppt -> default -> px
+        if (first_amount.unit == RESIZE_UNIT_PPT) {
+                return resize_adjust_tiled(axis, &first_amount);
+        } else if (second_amount.unit == RESIZE_UNIT_PPT) {
+                return resize_adjust_tiled(axis, &second_amount);
+        } else if (first_amount.unit == RESIZE_UNIT_DEFAULT) {
+                return resize_adjust_tiled(axis, &first_amount);
+        } else if (second_amount.unit == RESIZE_UNIT_DEFAULT) {
+                return resize_adjust_tiled(axis, &second_amount);
+        } else {
+                return resize_adjust_tiled(axis, &first_amount);
+        }
+}
+
+struct cmd_results *cmd_resize(int argc, char **argv) {
+        struct sway_container *current = config->handler_context.current_container;
+        if (!current) {
+                return cmd_results_new(CMD_INVALID, "resize", "Cannot resize nothing");
+        }
+        if (current->type != C_VIEW && current->type != C_CONTAINER) {
+                return cmd_results_new(CMD_INVALID, "resize",
+                                "Can only resize views/containers");
+        }
+
+        struct cmd_results *error;
+        if ((error = checkarg(argc, "resize", EXPECTED_AT_LEAST, 2))) {
+                return error;
+        }
+
+        if (strcasecmp(argv[0], "set") == 0) {
+                return cmd_resize_set(argc - 1, &argv[1]);
+        }
+        if (strcasecmp(argv[0], "grow") == 0) {
+                return cmd_resize_adjust(argc - 1, &argv[1], 1);
+        }
+        if (strcasecmp(argv[0], "shrink") == 0) {
+                return cmd_resize_adjust(argc - 1, &argv[1], -1);
+        }
+
+        const char *usage = "Expected 'resize <shrink|grow> "
+                "<width|height|up|down|left|right> [<amount>] [px|ppt]'";
+
+        return cmd_results_new(CMD_INVALID, "resize", usage);
 }
diff --git a/sway/config/input.c b/sway/config/input.c
index cbd7d5f0..8d687a6d 100644
--- a/sway/config/input.c
+++ b/sway/config/input.c
@@ -19,6 +19,7 @@ struct input_config *new_input_config(const char* identifier) {
         }
 
         input->tap = INT_MIN;
+        input->tap_button_map = INT_MIN;
         input->drag_lock = INT_MIN;
         input->dwt = INT_MIN;
         input->send_events = INT_MIN;
@@ -80,6 +81,9 @@ void merge_input_config(struct input_config *dst, struct input_config *src) {
         if (src->tap != INT_MIN) {
                 dst->tap = src->tap;
         }
+        if (src->tap_button_map != INT_MIN) {
+                dst->tap_button_map = src->tap_button_map;
+        }
         if (src->xkb_layout) {
                 free(dst->xkb_layout);
                 dst->xkb_layout = strdup(src->xkb_layout);
diff --git a/sway/desktop/render.c b/sway/desktop/render.c
index b370f8a2..4bfc573b 100644
--- a/sway/desktop/render.c
+++ b/sway/desktop/render.c
@@ -15,6 +15,7 @@
 #include <wlr/util/region.h>
 #include "log.h"
 #include "sway/config.h"
+#include "sway/debug.h"
 #include "sway/input/input-manager.h"
 #include "sway/input/seat.h"
 #include "sway/layers.h"
@@ -786,6 +787,8 @@ static void render_floating(struct sway_output *soutput,
         }
 }
 
+const char *damage_debug = NULL;
+
 void output_render(struct sway_output *output, struct timespec *when,
                 pixman_region32_t *damage) {
         struct wlr_output *wlr_output = output->wlr_output;
@@ -805,7 +808,6 @@ void output_render(struct sway_output *output, struct timespec *when,
                 goto renderer_end;
         }
 
-        const char *damage_debug = getenv("SWAY_DAMAGE_DEBUG");
         if (damage_debug != NULL) {
                 if (strcmp(damage_debug, "highlight") == 0) {
                         wlr_renderer_clear(renderer, (float[]){1, 1, 0, 1});
diff --git a/sway/desktop/transaction.c b/sway/desktop/transaction.c
index 2b3f87c3..5e42fde5 100644
--- a/sway/desktop/transaction.c
+++ b/sway/desktop/transaction.c
@@ -19,14 +19,14 @@
  * How long we should wait for views to respond to the configure before giving
  * up and applying the transaction anyway.
  */
-#define TIMEOUT_MS 200
+int txn_timeout_ms = 200;
 
 /**
  * If enabled, sway will always wait for the transaction timeout before
  * applying it, rather than applying it when the views are ready. This allows us
  * to observe the rendered state while a transaction is in progress.
  */
-#define TRANSACTION_DEBUG false
+bool txn_debug = false;
 
 struct sway_transaction {
         struct wl_event_source *timer;
@@ -330,7 +330,7 @@ void transaction_commit(struct sway_transaction *transaction) {
                 // Set up a timer which the views must respond within
                 transaction->timer = wl_event_loop_add_timer(server.wl_event_loop,
                                 handle_timeout, transaction);
-                wl_event_source_timer_update(transaction->timer, TIMEOUT_MS);
+                wl_event_source_timer_update(transaction->timer, txn_timeout_ms);
         }
 
         // The debug tree shows the pending/live tree. Here is a good place to
@@ -361,11 +361,11 @@ static void set_instruction_ready(
         // If all views are ready, apply the transaction.
         // If the transaction has timed out then its num_waiting will be 0 already.
         if (transaction->num_waiting > 0 && --transaction->num_waiting == 0) {
-#if !TRANSACTION_DEBUG
-                wlr_log(WLR_DEBUG, "Transaction %p is ready", transaction);
-                wl_event_source_timer_update(transaction->timer, 0);
-                transaction_progress_queue();
-#endif
+                if (!txn_debug) {
+                        wlr_log(WLR_DEBUG, "Transaction %p is ready", transaction);
+                        wl_event_source_timer_update(transaction->timer, 0);
+                        transaction_progress_queue();
+                }
         }
 }
 
diff --git a/sway/desktop/xdg_shell.c b/sway/desktop/xdg_shell.c
index 17b7b750..fbeeb2e3 100644
--- a/sway/desktop/xdg_shell.c
+++ b/sway/desktop/xdg_shell.c
@@ -46,47 +46,18 @@ static void popup_handle_destroy(struct wl_listener *listener, void *data) {
 }
 
 static void popup_unconstrain(struct sway_xdg_popup *popup) {
-        // get the output of the popup's positioner anchor point and convert it to
-        // the toplevel parent's coordinate system and then pass it to
-        // wlr_xdg_popup_unconstrain_from_box
-
         struct sway_view *view = popup->child.view;
-        struct wlr_output_layout *output_layout =
-                root_container.sway_root->output_layout;
         struct wlr_xdg_popup *wlr_popup = popup->wlr_xdg_surface->popup;
 
-        int anchor_lx, anchor_ly;
-        wlr_xdg_popup_get_anchor_point(wlr_popup, &anchor_lx, &anchor_ly);
-
-        int popup_lx, popup_ly;
-        wlr_xdg_popup_get_toplevel_coords(wlr_popup, wlr_popup->geometry.x,
-                wlr_popup->geometry.y, &popup_lx, &popup_ly);
-        popup_lx += view->x;
-        popup_ly += view->y;
-
-        anchor_lx += popup_lx;
-        anchor_ly += popup_ly;
-
-        double dest_x = 0, dest_y = 0;
-        wlr_output_layout_closest_point(output_layout, NULL, anchor_lx, anchor_ly,
-                &dest_x, &dest_y);
-
-        struct wlr_output *output =
-                wlr_output_layout_output_at(output_layout, dest_x, dest_y);
-        if (output == NULL) {
-                return;
-        }
-
-        int width = 0, height = 0;
-        wlr_output_effective_resolution(output, &width, &height);
+        struct sway_container *output = container_parent(view->swayc, C_OUTPUT);
 
         // the output box expressed in the coordinate system of the toplevel parent
         // of the popup
         struct wlr_box output_toplevel_sx_box = {
-                .x = output->lx - view->x,
-                .y = output->ly - view->y,
-                .width = width,
-                .height = height
+                .x = output->x - view->x,
+                .y = output->y - view->y,
+                .width = output->width,
+                .height = output->height,
         };
 
         wlr_xdg_popup_unconstrain_from_box(wlr_popup, &output_toplevel_sx_box);
diff --git a/sway/desktop/xdg_shell_v6.c b/sway/desktop/xdg_shell_v6.c
index 43e58918..88d9bb94 100644
--- a/sway/desktop/xdg_shell_v6.c
+++ b/sway/desktop/xdg_shell_v6.c
@@ -45,47 +45,18 @@ static void popup_handle_destroy(struct wl_listener *listener, void *data) {
 }
 
 static void popup_unconstrain(struct sway_xdg_popup_v6 *popup) {
-        // get the output of the popup's positioner anchor point and convert it to
-        // the toplevel parent's coordinate system and then pass it to
-        // wlr_xdg_popup_unconstrain_from_box
-
         struct sway_view *view = popup->child.view;
-        struct wlr_output_layout *output_layout =
-                root_container.sway_root->output_layout;
         struct wlr_xdg_popup_v6 *wlr_popup = popup->wlr_xdg_surface_v6->popup;
 
-        int anchor_lx, anchor_ly;
-        wlr_xdg_popup_v6_get_anchor_point(wlr_popup, &anchor_lx, &anchor_ly);
-
-        int popup_lx, popup_ly;
-        wlr_xdg_popup_v6_get_toplevel_coords(wlr_popup, wlr_popup->geometry.x,
-                wlr_popup->geometry.y, &popup_lx, &popup_ly);
-        popup_lx += view->x;
-        popup_ly += view->y;
-
-        anchor_lx += popup_lx;
-        anchor_ly += popup_ly;
-
-        double dest_x = 0, dest_y = 0;
-        wlr_output_layout_closest_point(output_layout, NULL, anchor_lx, anchor_ly,
-                &dest_x, &dest_y);
-
-        struct wlr_output *output =
-                wlr_output_layout_output_at(output_layout, dest_x, dest_y);
-        if (output == NULL) {
-                return;
-        }
-
-        int width = 0, height = 0;
-        wlr_output_effective_resolution(output, &width, &height);
+        struct sway_container *output = container_parent(view->swayc, C_OUTPUT);
 
         // the output box expressed in the coordinate system of the toplevel parent
         // of the popup
         struct wlr_box output_toplevel_sx_box = {
-                .x = output->lx - view->x,
-                .y = output->ly - view->y,
-                .width = width,
-                .height = height
+                .x = output->x - view->x,
+                .y = output->y - view->y,
+                .width = output->width,
+                .height = output->height,
         };
 
         wlr_xdg_popup_v6_unconstrain_from_box(wlr_popup, &output_toplevel_sx_box);
diff --git a/sway/input/input-manager.c b/sway/input/input-manager.c
index b18989d0..0b7cb766 100644
--- a/sway/input/input-manager.c
+++ b/sway/input/input-manager.c
@@ -181,6 +181,12 @@ static void input_manager_libinput_config_pointer(
                         ic->identifier, ic->tap);
                 libinput_device_config_tap_set_enabled(libinput_device, ic->tap);
         }
+        if (ic->tap_button_map != INT_MIN) {
+                wlr_log(WLR_DEBUG, "libinput_config_pointer(%s) tap_set_button_map(%d)",
+                        ic->identifier, ic->tap);
+                libinput_device_config_tap_set_button_map(libinput_device,
+                        ic->tap_button_map);
+        }
 }
 
 static void handle_device_destroy(struct wl_listener *listener, void *data) {
diff --git a/sway/main.c b/sway/main.c
index c6453226..1d772b48 100644
--- a/sway/main.c
+++ b/sway/main.c
@@ -251,6 +251,18 @@ static void drop_permissions(bool keep_caps) {
 #endif
 }
 
+void enable_debug_flag(const char *flag) {
+        if (strcmp(flag, "render-tree") == 0) {
+                enable_debug_tree = true;
+        } else if (strncmp(flag, "damage=", 7) == 0) {
+                damage_debug = &flag[7];
+        } else if (strcmp(flag, "txn-debug") == 0) {
+                txn_debug = true;
+        } else if (strncmp(flag, "txn-timeout=", 12) == 0) {
+                txn_timeout_ms = atoi(&flag[12]);
+        }
+}
+
 int main(int argc, char **argv) {
         static int verbose = 0, debug = 0, validate = 0;
 
@@ -290,7 +302,7 @@ int main(int argc, char **argv) {
         int c;
         while (1) {
                 int option_index = 0;
-                c = getopt_long(argc, argv, "hCdDvVc:", long_options, &option_index);
+                c = getopt_long(argc, argv, "hCdD:vVc:", long_options, &option_index);
                 if (c == -1) {
                         break;
                 }
@@ -309,7 +321,7 @@ int main(int argc, char **argv) {
                         debug = 1;
                         break;
                 case 'D': // extended debug options
-                        enable_debug_tree = true;
+                        enable_debug_flag(optarg);
                         break;
                 case 'v': // version
                         fprintf(stdout, "sway version " SWAY_VERSION "\n");
diff --git a/sway/meson.build b/sway/meson.build
index 6fc78db3..f878450d 100644
--- a/sway/meson.build
+++ b/sway/meson.build
@@ -121,6 +121,7 @@ sway_sources = files(
         'commands/input/scroll_button.c',
         'commands/input/scroll_method.c',
         'commands/input/tap.c',
+        'commands/input/tap_button_map.c',
         'commands/input/xkb_layout.c',
         'commands/input/xkb_model.c',
         'commands/input/xkb_options.c',
diff --git a/sway/sway-input.5.scd b/sway/sway-input.5.scd
index 4bc66394..b6391431 100644
--- a/sway/sway-input.5.scd
+++ b/sway/sway-input.5.scd
@@ -100,6 +100,12 @@ For more information on these xkb configuration options, see
 *input* <identifier> tap enabled|disabled
         Enables or disables tap for specified input device.
 
+*input* <identifier> tap_button_map lrm|lmr
+        Specifies which button mapping to use for tapping. _lrm_ treats 1 finger as
+        left click, 2 fingers as right click, and 3 fingers as middle click. _lmr_
+        treats 1 finger as left click, 2 fingers as middle click, and 3 fingers as
+        right click.
+
 ## SEAT CONFIGURATION
 
 Configure options for multiseat mode. sway-seat commands must be used inside a
diff --git a/swaybar/render.c b/swaybar/render.c
index 2ebd338e..909b56f4 100644
--- a/swaybar/render.c
+++ b/swaybar/render.c
@@ -503,6 +503,9 @@ void render_frame(struct swaybar *bar, struct swaybar_output *output) {
                                 output->buffers,
                                 output->width * output->scale,
                                 output->height * output->scale);
+                if (!output->current_buffer) {
+                        return;
+                }
                 cairo_t *shm = output->current_buffer->cairo;
 
                 cairo_save(shm);
diff --git a/swaybg/main.c b/swaybg/main.c
index 1796b245..f8e7e7ef 100644
--- a/swaybg/main.c
+++ b/swaybg/main.c
@@ -68,6 +68,9 @@ static void render_frame(struct swaybg_state *state) {
                 buffer_height = state->height * state->scale;
         state->current_buffer = get_next_buffer(state->shm,
                         state->buffers, buffer_width, buffer_height);
+        if (!state->current_buffer) {
+                return;
+        }
         cairo_t *cairo = state->current_buffer->cairo;
         if (state->args->mode == BACKGROUND_MODE_SOLID_COLOR) {
                 cairo_set_source_u32(cairo, state->context.color);