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Merge pull request #2244 from RyanDwyer/floating-resize
Implement resize command for floating views
This commit is contained in:
Drew DeVault
GitHub
commit
63f28bcf1e
1 changed files with 362 additions and 66 deletions
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@ -1,4 +1,5 @@
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#include <errno.h>
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#include <limits.h>
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#include <math.h>
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#include <stdbool.h>
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#include <stdlib.h>
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@ -7,6 +8,7 @@
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#include <wlr/util/log.h>
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#include "sway/commands.h"
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#include "sway/tree/arrange.h"
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#include "sway/tree/view.h"
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#include "log.h"
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static const int MIN_SANE_W = 100, MIN_SANE_H = 60;
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@ -21,9 +23,18 @@ enum resize_unit {
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enum resize_axis {
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RESIZE_AXIS_HORIZONTAL,
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RESIZE_AXIS_VERTICAL,
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RESIZE_AXIS_UP,
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RESIZE_AXIS_DOWN,
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RESIZE_AXIS_LEFT,
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RESIZE_AXIS_RIGHT,
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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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@ -37,6 +48,69 @@ 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 void calculate_constraints(int *min_width, int *max_width,
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int *min_height, int *max_height) {
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struct sway_container *con = config->handler_context.current_container;
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if (config->floating_minimum_width == -1) { // no minimum
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*min_width = 0;
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} else if (config->floating_minimum_width == 0) { // automatic
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*min_width = 75;
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} else {
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*min_width = config->floating_minimum_width;
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}
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if (config->floating_minimum_height == -1) { // no minimum
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*min_height = 0;
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} else if (config->floating_minimum_height == 0) { // automatic
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*min_height = 50;
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} else {
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*min_height = config->floating_minimum_height;
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}
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if (config->floating_maximum_width == -1) { // no maximum
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*max_width = INT_MAX;
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} else if (config->floating_maximum_width == 0) { // automatic
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struct sway_container *ws = container_parent(con, C_WORKSPACE);
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*max_width = ws->width;
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} else {
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*max_width = config->floating_maximum_width;
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}
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if (config->floating_maximum_height == -1) { // no maximum
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*max_height = INT_MAX;
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} else if (config->floating_maximum_height == 0) { // automatic
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struct sway_container *ws = container_parent(con, C_WORKSPACE);
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*max_height = ws->height;
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} else {
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*max_height = config->floating_maximum_height;
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}
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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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@ -44,6 +118,18 @@ static enum resize_axis parse_resize_axis(const char *axis) {
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if (strcasecmp(axis, "height") == 0 || strcasecmp(axis, "vertical") == 0) {
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return RESIZE_AXIS_VERTICAL;
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}
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if (strcasecmp(axis, "up") == 0) {
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return RESIZE_AXIS_UP;
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}
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if (strcasecmp(axis, "down") == 0) {
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return RESIZE_AXIS_DOWN;
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}
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if (strcasecmp(axis, "left") == 0) {
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return RESIZE_AXIS_LEFT;
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}
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if (strcasecmp(axis, "right") == 0) {
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return RESIZE_AXIS_RIGHT;
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}
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return RESIZE_AXIS_INVALID;
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}
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@ -185,29 +271,283 @@ 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(int amount, enum resize_axis axis, enum resize_unit unit) {
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struct sway_container *current = config->handler_context.current_container;
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if (unit == RESIZE_UNIT_DEFAULT) {
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// Default for tiling; TODO floating should be px
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unit = RESIZE_UNIT_PPT;
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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_width = 0, grow_height = 0;
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switch (axis) {
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case RESIZE_AXIS_HORIZONTAL:
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case RESIZE_AXIS_LEFT:
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case RESIZE_AXIS_RIGHT:
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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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case RESIZE_AXIS_UP:
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case RESIZE_AXIS_DOWN:
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grow_height = amount->amount;
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break;
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case RESIZE_AXIS_INVALID:
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return cmd_results_new(CMD_INVALID, "resize", "Invalid axis/direction");
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}
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// Make sure we're not adjusting beyond floating min/max size
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int min_width, max_width, min_height, max_height;
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calculate_constraints(&min_width, &max_width, &min_height, &max_height);
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if (con->width + grow_width < min_width) {
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grow_width = min_width - con->width;
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} else if (con->width + grow_width > max_width) {
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grow_width = max_width - con->width;
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}
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if (con->height + grow_height < min_height) {
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grow_height = min_height - con->height;
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} else if (con->height + grow_height > max_height) {
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grow_height = max_height - con->height;
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}
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int grow_x = 0, grow_y = 0;
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switch (axis) {
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case RESIZE_AXIS_HORIZONTAL:
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grow_x = -grow_width / 2;
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break;
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case RESIZE_AXIS_VERTICAL:
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grow_y = -grow_height / 2;
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break;
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case RESIZE_AXIS_UP:
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grow_y = -grow_height;
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break;
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case RESIZE_AXIS_LEFT:
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grow_x = -grow_width;
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break;
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case RESIZE_AXIS_DOWN:
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case RESIZE_AXIS_RIGHT:
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break;
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case RESIZE_AXIS_INVALID:
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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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con->width += grow_width;
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con->height += grow_height;
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if (con->type == C_VIEW) {
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struct sway_view *view = con->sway_view;
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view->x += grow_x;
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view->y += grow_y;
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view->width += grow_width;
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view->height += grow_height;
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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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arrange_and_commit(con);
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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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 (amount->unit == RESIZE_UNIT_DEFAULT) {
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amount->unit = RESIZE_UNIT_PPT;
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}
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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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/**
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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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/**
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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 min_width, max_width, min_height, max_height;
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calculate_constraints(&min_width, &max_width, &min_height, &max_height);
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width->amount = fmax(min_width, fmin(width->amount, max_width));
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height->amount = fmax(min_height, fmin(height->amount, max_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->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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view->x -= grow_width / 2;
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view->y -= grow_height / 2;
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view->width += grow_width;
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view->height += grow_height;
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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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/**
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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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@ -226,61 +566,17 @@ struct cmd_results *cmd_resize(int argc, char **argv) {
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}
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if (strcasecmp(argv[0], "set") == 0) {
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// TODO
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//return cmd_resize_set(argc - 1, &argv[1]);
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return cmd_results_new(CMD_INVALID, "resize", "resize set unimplemented");
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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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// TODO: resize grow|shrink left|right|up|down
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const char *usage = "Expected 'resize <shrink|grow> "
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"<width|height> [<amount>] [px|ppt]'";
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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;
|
||||
} else {
|
||||
return cmd_results_new(CMD_INVALID, "resize", usage);
|
||||
}
|
||||
--argc; ++argv;
|
||||
|
||||
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;
|
||||
|
||||
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);
|
||||
}
|
||||
}
|
||||
--argc; ++argv;
|
||||
}
|
||||
|
||||
if (argc) {
|
||||
unit = parse_resize_unit(*argv);
|
||||
if (unit == RESIZE_UNIT_INVALID) {
|
||||
return cmd_results_new(CMD_INVALID, "resize", usage);
|
||||
}
|
||||
--argc; ++argv;
|
||||
}
|
||||
|
||||
if (argc) {
|
||||
// Provied too many args, the bastard
|
||||
return cmd_results_new(CMD_INVALID, "resize", usage);
|
||||
}
|
||||
|
||||
resize(amount * multiplier, axis, unit);
|
||||
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
|
||||
return cmd_results_new(CMD_INVALID, "resize", usage);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue