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https://github.com/swaywm/sway.git
synced 2024-12-28 16:06:37 +01:00
Implement resize grow|shrink <direction> <amount> or <amount>
This commit is contained in:
Ryan Dwyer
parent
558ca9fc28
commit
5940682f40
1 changed files with 227 additions and 116 deletions
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@ -29,6 +29,11 @@ enum resize_axis {
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RESIZE_AXIS_INVALID,
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};
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struct resize_amount {
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int amount;
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enum resize_unit unit;
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};
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static enum resize_unit parse_resize_unit(const char *unit) {
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if (strcasecmp(unit, "px") == 0) {
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return RESIZE_UNIT_PX;
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@ -42,6 +47,30 @@ static enum resize_unit parse_resize_unit(const char *unit) {
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return RESIZE_UNIT_INVALID;
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}
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// Parse arguments such as "10", "10px" or "10 px".
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// Returns the number of arguments consumed.
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static int parse_resize_amount(int argc, char **argv,
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struct resize_amount *amount) {
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char *err;
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amount->amount = (int)strtol(argv[0], &err, 10);
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if (*err) {
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// e.g. 10px
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amount->unit = parse_resize_unit(err);
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return 1;
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}
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if (argc == 1) {
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amount->unit = RESIZE_UNIT_DEFAULT;
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return 1;
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}
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// Try the second argument
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amount->unit = parse_resize_unit(argv[1]);
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if (amount->unit == RESIZE_UNIT_INVALID) {
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amount->unit = RESIZE_UNIT_DEFAULT;
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return 1;
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}
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return 2;
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}
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static enum resize_axis parse_resize_axis(const char *axis) {
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if (strcasecmp(axis, "width") == 0 || strcasecmp(axis, "horizontal") == 0) {
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return RESIZE_AXIS_HORIZONTAL;
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@ -202,36 +231,39 @@ static void resize_tiled(int amount, enum resize_axis axis) {
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arrange_and_commit(parent->parent);
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}
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static void resize_floating(int amount, enum resize_axis axis) {
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/**
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* Implement `resize <grow|shrink>` for a floating container.
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*/
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static struct cmd_results *resize_adjust_floating(enum resize_axis axis,
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struct resize_amount *amount) {
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struct sway_container *con = config->handler_context.current_container;
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int grow_x = 0, grow_y = 0;
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int grow_width = 0, grow_height = 0;
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switch (axis) {
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case RESIZE_AXIS_HORIZONTAL:
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grow_x = -amount / 2;
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grow_width = amount;
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grow_x = -amount->amount / 2;
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grow_width = amount->amount;
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break;
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case RESIZE_AXIS_VERTICAL:
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grow_y = -amount / 2;
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grow_height = amount;
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grow_y = -amount->amount / 2;
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grow_height = amount->amount;
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break;
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case RESIZE_AXIS_UP:
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grow_y = -amount;
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grow_height = amount;
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grow_y = -amount->amount;
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grow_height = amount->amount;
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break;
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case RESIZE_AXIS_LEFT:
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grow_x = -amount;
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grow_width = amount;
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grow_x = -amount->amount;
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grow_width = amount->amount;
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break;
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case RESIZE_AXIS_DOWN:
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grow_height = amount;
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grow_height = amount->amount;
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break;
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case RESIZE_AXIS_RIGHT:
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grow_width = amount;
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grow_width = amount->amount;
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break;
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case RESIZE_AXIS_INVALID:
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sway_assert(false, "Didn't expect RESIZE_AXIS_INVALID");
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return;
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return cmd_results_new(CMD_INVALID, "resize", "Invalid axis/direction");
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}
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con->x += grow_x;
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con->y += grow_y;
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@ -247,80 +279,64 @@ static void resize_floating(int amount, enum resize_axis axis) {
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}
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arrange_and_commit(con);
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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static void resize(int amount, enum resize_axis axis, enum resize_unit unit) {
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/**
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* Implement `resize <grow|shrink>` for a tiled container.
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*/
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static struct cmd_results *resize_adjust_tiled(enum resize_axis axis,
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struct resize_amount *amount) {
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struct sway_container *current = config->handler_context.current_container;
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if (container_is_floating(current)) {
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return resize_floating(amount, axis);
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}
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if (unit == RESIZE_UNIT_DEFAULT) {
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unit = RESIZE_UNIT_PPT;
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if (amount->unit == RESIZE_UNIT_DEFAULT) {
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amount->unit = RESIZE_UNIT_PPT;
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}
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if (unit == RESIZE_UNIT_PPT) {
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float pct = amount / 100.0f;
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if (amount->unit == RESIZE_UNIT_PPT) {
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float pct = amount->amount / 100.0f;
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// TODO: Make left/right/up/down resize in that direction?
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switch (axis) {
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case RESIZE_AXIS_LEFT:
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case RESIZE_AXIS_RIGHT:
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case RESIZE_AXIS_HORIZONTAL:
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amount = (float)current->width * pct;
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amount->amount = (float)current->width * pct;
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break;
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case RESIZE_AXIS_UP:
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case RESIZE_AXIS_DOWN:
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case RESIZE_AXIS_VERTICAL:
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amount = (float)current->height * pct;
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amount->amount = (float)current->height * pct;
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break;
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default:
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sway_assert(0, "invalid resize axis");
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return;
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case RESIZE_AXIS_INVALID:
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return cmd_results_new(CMD_INVALID, "resize",
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"Invalid resize axis/direction");
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}
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}
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return resize_tiled(amount, axis);
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resize_tiled(amount->amount, axis);
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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// resize set <width> [px|ppt] <height> [px|ppt]
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static struct cmd_results *cmd_resize_set(int argc, char **argv) {
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struct cmd_results *error;
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if ((error = checkarg(argc, "resize", EXPECTED_AT_LEAST, 2))) {
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return error;
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}
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struct sway_container *con = config->handler_context.current_container;
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if (!container_is_floating(con)) {
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return cmd_results_new(CMD_INVALID, "resize",
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"resize set is not currently supported for tiled containers");
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}
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const char *usage = "Expected 'resize set <width> <height>'";
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/**
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* Implement `resize set` for a tiled container.
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*/
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static struct cmd_results *resize_set_tiled(struct sway_container *con,
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struct resize_amount *width, struct resize_amount *height) {
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return cmd_results_new(CMD_INVALID, "resize",
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"'resize set' is not implemented for tiled views");
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}
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char *err;
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size_t width = (int)strtol(*argv, &err, 10);
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if (*err) {
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// e.g. `resize set width 500px`
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enum resize_unit unit = parse_resize_unit(err);
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if (unit == RESIZE_UNIT_INVALID) {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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}
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--argc; ++argv;
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if (parse_resize_unit(argv[0]) != RESIZE_UNIT_INVALID) {
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--argc; ++argv;
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}
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if (!argc) {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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size_t height = (int)strtol(*argv, &err, 10);
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if (*err) {
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// e.g. `resize set height 500px`
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enum resize_unit unit = parse_resize_unit(err);
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if (unit == RESIZE_UNIT_INVALID) {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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}
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int grow_width = width - con->width;
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int grow_height = height - con->height;
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/**
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* Implement `resize set` for a floating container.
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*/
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static struct cmd_results *resize_set_floating(struct sway_container *con,
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struct resize_amount *width, struct resize_amount *height) {
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int grow_width = width->amount - con->width;
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int grow_height = height->amount - con->height;
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con->x -= grow_width / 2;
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con->y -= grow_height / 2;
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con->width = width;
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con->height = height;
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con->width = width->amount;
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con->height = height->amount;
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if (con->type == C_VIEW) {
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struct sway_view *view = con->sway_view;
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@ -335,6 +351,141 @@ static struct cmd_results *cmd_resize_set(int argc, char **argv) {
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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/**
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* resize set <args>
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*
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* args: <width> [px|ppt] <height> [px|ppt]
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*/
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static struct cmd_results *cmd_resize_set(int argc, char **argv) {
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struct cmd_results *error;
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if ((error = checkarg(argc, "resize", EXPECTED_AT_LEAST, 2))) {
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return error;
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}
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const char *usage = "Expected 'resize set <width> <height>'";
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// Width
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struct resize_amount width;
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int num_consumed_args = parse_resize_amount(argc, argv, &width);
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argc -= num_consumed_args;
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argv += num_consumed_args;
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if (width.unit == RESIZE_UNIT_INVALID) {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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if (!argc) {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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// Height
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struct resize_amount height;
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num_consumed_args = parse_resize_amount(argc, argv, &height);
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argc -= num_consumed_args;
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argv += num_consumed_args;
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if (height.unit == RESIZE_UNIT_INVALID) {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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// If 0, don't resize that dimension
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struct sway_container *con = config->handler_context.current_container;
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if (width.amount <= 0) {
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width.amount = con->width;
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}
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if (height.amount <= 0) {
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height.amount = con->height;
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}
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if (container_is_floating(con)) {
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return resize_set_floating(con, &width, &height);
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}
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return resize_set_tiled(con, &width, &height);
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}
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/**
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* resize <grow|shrink> <args>
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*
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* args: <direction>
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* args: <direction> <amount> <unit>
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* args: <direction> <amount> <unit> or <amount> <other_unit>
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*/
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static struct cmd_results *cmd_resize_adjust(int argc, char **argv,
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int multiplier) {
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const char *usage = "Expected 'resize grow|shrink <direction> "
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"[<amount> px|ppt [or <amount> px|ppt]]'";
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enum resize_axis axis = parse_resize_axis(*argv);
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if (axis == RESIZE_AXIS_INVALID) {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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--argc; ++argv;
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// First amount
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struct resize_amount first_amount;
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if (argc) {
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int num_consumed_args = parse_resize_amount(argc, argv, &first_amount);
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argc -= num_consumed_args;
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argv += num_consumed_args;
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if (first_amount.unit == RESIZE_UNIT_INVALID) {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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} else {
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first_amount.amount = 10;
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first_amount.unit = RESIZE_UNIT_DEFAULT;
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}
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// "or"
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if (argc) {
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if (strcmp(*argv, "or") != 0) {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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--argc; ++argv;
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}
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// Second amount
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struct resize_amount second_amount;
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if (argc) {
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int num_consumed_args = parse_resize_amount(argc, argv, &second_amount);
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argc -= num_consumed_args;
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argv += num_consumed_args;
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if (second_amount.unit == RESIZE_UNIT_INVALID) {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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} else {
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second_amount.unit = RESIZE_UNIT_INVALID;
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}
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first_amount.amount *= multiplier;
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second_amount.amount *= multiplier;
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struct sway_container *con = config->handler_context.current_container;
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if (container_is_floating(con)) {
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// Floating containers can only resize in px. Choose an amount which
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// uses px, with fallback to an amount that specified no unit.
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if (first_amount.unit == RESIZE_UNIT_PX) {
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return resize_adjust_floating(axis, &first_amount);
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} else if (second_amount.unit == RESIZE_UNIT_PX) {
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return resize_adjust_floating(axis, &second_amount);
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} else if (first_amount.unit == RESIZE_UNIT_DEFAULT) {
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return resize_adjust_floating(axis, &first_amount);
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} else if (second_amount.unit == RESIZE_UNIT_DEFAULT) {
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return resize_adjust_floating(axis, &second_amount);
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} else {
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return cmd_results_new(CMD_INVALID, "resize",
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"Floating containers cannot use ppt measurements");
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}
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}
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// For tiling, prefer ppt -> default -> px
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if (first_amount.unit == RESIZE_UNIT_PPT) {
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return resize_adjust_tiled(axis, &first_amount);
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} else if (second_amount.unit == RESIZE_UNIT_PPT) {
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return resize_adjust_tiled(axis, &second_amount);
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} else if (first_amount.unit == RESIZE_UNIT_DEFAULT) {
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return resize_adjust_tiled(axis, &first_amount);
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} else if (second_amount.unit == RESIZE_UNIT_DEFAULT) {
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return resize_adjust_tiled(axis, &second_amount);
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} else {
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return resize_adjust_tiled(axis, &first_amount);
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}
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}
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struct cmd_results *cmd_resize(int argc, char **argv) {
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struct sway_container *current = config->handler_context.current_container;
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if (!current) {
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@ -353,55 +504,15 @@ struct cmd_results *cmd_resize(int argc, char **argv) {
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if (strcasecmp(argv[0], "set") == 0) {
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return cmd_resize_set(argc - 1, &argv[1]);
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}
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if (strcasecmp(argv[0], "grow") == 0) {
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return cmd_resize_adjust(argc - 1, &argv[1], 1);
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}
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if (strcasecmp(argv[0], "shrink") == 0) {
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return cmd_resize_adjust(argc - 1, &argv[1], -1);
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}
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const char *usage = "Expected 'resize <shrink|grow> "
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"<width|height|up|down|left|right> [<amount>] [px|ppt]'";
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int multiplier = 0;
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if (strcasecmp(*argv, "grow") == 0) {
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multiplier = 1;
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} else if (strcasecmp(*argv, "shrink") == 0) {
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multiplier = -1;
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} else {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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--argc; ++argv;
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enum resize_axis axis = parse_resize_axis(*argv);
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if (axis == RESIZE_AXIS_INVALID) {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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--argc; ++argv;
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int amount = 10; // Default amount
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enum resize_unit unit = RESIZE_UNIT_DEFAULT;
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if (argc) {
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char *err;
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amount = (int)strtol(*argv, &err, 10);
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if (*err) {
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// e.g. `resize grow width 10px`
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unit = parse_resize_unit(err);
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if (unit == RESIZE_UNIT_INVALID) {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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}
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--argc; ++argv;
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}
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if (argc) {
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unit = parse_resize_unit(*argv);
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if (unit == RESIZE_UNIT_INVALID) {
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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--argc; ++argv;
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}
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if (argc) {
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// Provied too many args, the bastard
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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resize(amount * multiplier, axis, unit);
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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return cmd_results_new(CMD_INVALID, "resize", usage);
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}
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