diff options
Diffstat (limited to 'sway')
| -rw-r--r-- | sway/commands/resize.c | 406 |
1 files changed, 351 insertions, 55 deletions
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); } |