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Code Issues

Force min/max size when resizing floating containers

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This commit is contained in:
Ryan Dwyer 2018-07-14 10:00:22 +10:00
parent 5940682f40
commit 0584ecec0a
1 changed files with 77 additions and 13 deletions
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90
sway/commands/resize.c
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@ -1,4 +1,5 @@
#include <errno.h>
#include <limits.h>
#include <math.h>
#include <stdbool.h>
#include <stdlib.h>
@ -71,6 +72,45 @@ static int parse_resize_amount(int argc, char **argv,
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;
@ -237,30 +277,50 @@ static void resize_tiled(int amount, enum resize_axis axis) {
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_x = 0, grow_y = 0;
int grow_width = 0, grow_height = 0;
switch (axis) {
case RESIZE_AXIS_HORIZONTAL:
grow_x = -amount->amount / 2;
case RESIZE_AXIS_LEFT:
case RESIZE_AXIS_RIGHT:
grow_width = amount->amount;
break;
case RESIZE_AXIS_VERTICAL:
grow_y = -amount->amount / 2;
grow_height = amount->amount;
break;
case RESIZE_AXIS_UP:
grow_y = -amount->amount;
grow_height = amount->amount;
break;
case RESIZE_AXIS_LEFT:
grow_x = -amount->amount;
grow_width = amount->amount;
break;
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:
grow_width = amount->amount;
break;
case RESIZE_AXIS_INVALID:
return cmd_results_new(CMD_INVALID, "resize", "Invalid axis/direction");
@ -331,6 +391,10 @@ static struct cmd_results *resize_set_tiled(struct sway_container *con,
*/
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;