swayfx/sway/resize.c
2016-09-01 08:18:37 -04:00

339 lines
8.9 KiB
C

#include <wlc/wlc.h>
#include <math.h>
#include "sway/layout.h"
#include "sway/focus.h"
#include "sway/input_state.h"
#include "sway/handlers.h"
#include "sway/resize.h"
#include "log.h"
static bool set_size_floating(int new_dimension, bool use_width) {
swayc_t *view = get_focused_float(swayc_active_workspace());
if (view) {
if (use_width) {
int current_width = view->width;
view->desired_width = new_dimension;
floating_view_sane_size(view);
int new_x = view->x + (int)(((view->desired_width - current_width) / 2) * -1);
view->width = view->desired_width;
view->x = new_x;
update_geometry(view);
} else {
int current_height = view->height;
view->desired_height = new_dimension;
floating_view_sane_size(view);
int new_y = view->y + (int)(((view->desired_height - current_height) / 2) * -1);
view->height = view->desired_height;
view->y = new_y;
update_geometry(view);
}
return true;
}
return false;
}
static bool resize_floating(int amount, bool use_width) {
swayc_t *view = get_focused_float(swayc_active_workspace());
if (view) {
if (use_width) {
return set_size_floating(view->width + amount, true);
} else {
return set_size_floating(view->height + amount, false);
}
}
return false;
}
static bool resize_tiled(int amount, bool use_width) {
swayc_t *parent = get_focused_view(swayc_active_workspace());
swayc_t *focused = parent;
swayc_t *sibling;
if (!parent) {
return true;
}
// Find the closest parent container which has siblings of the proper layout.
// Then apply the resize to all of them.
int i;
if (use_width) {
int lnumber = 0;
int rnumber = 0;
while (parent->parent) {
if (parent->parent->layout == L_HORIZ && parent->parent->children) {
for (i = 0; i < parent->parent->children->length; i++) {
sibling = parent->parent->children->items[i];
if (sibling->x != focused->x) {
if (sibling->x < parent->x) {
lnumber++;
} else if (sibling->x > parent->x) {
rnumber++;
}
}
}
if (rnumber || lnumber) {
break;
}
}
parent = parent->parent;
}
if (parent == &root_container) {
return true;
}
sway_log(L_DEBUG, "Found the proper parent: %p. It has %d l conts, and %d r conts", parent->parent, lnumber, rnumber);
//TODO: Ensure rounding is done in such a way that there are NO pixel leaks
bool valid = true;
for (i = 0; i < parent->parent->children->length; i++) {
sibling = parent->parent->children->items[i];
if (sibling->x != focused->x) {
if (sibling->x < parent->x) {
double pixels = -1 * amount;
pixels /= lnumber;
if (rnumber) {
if ((sibling->width + pixels/2) < min_sane_w) {
valid = false;
break;
}
} else {
if ((sibling->width + pixels) < min_sane_w) {
valid = false;
break;
}
}
} else if (sibling->x > parent->x) {
double pixels = -1 * amount;
pixels /= rnumber;
if (lnumber) {
if ((sibling->width + pixels/2) < min_sane_w) {
valid = false;
break;
}
} else {
if ((sibling->width + pixels) < min_sane_w) {
valid = false;
break;
}
}
}
} else {
double pixels = amount;
if (parent->width + pixels < min_sane_w) {
valid = false;
break;
}
}
}
if (valid) {
for (i = 0; i < parent->parent->children->length; i++) {
sibling = parent->parent->children->items[i];
if (sibling->x != focused->x) {
if (sibling->x < parent->x) {
double pixels = -1 * amount;
pixels /= lnumber;
if (rnumber) {
recursive_resize(sibling, pixels/2, WLC_RESIZE_EDGE_RIGHT);
} else {
recursive_resize(sibling, pixels, WLC_RESIZE_EDGE_RIGHT);
}
} else if (sibling->x > parent->x) {
double pixels = -1 * amount;
pixels /= rnumber;
if (lnumber) {
recursive_resize(sibling, pixels/2, WLC_RESIZE_EDGE_LEFT);
} else {
recursive_resize(sibling, pixels, WLC_RESIZE_EDGE_LEFT);
}
}
} else {
if (rnumber != 0 && lnumber != 0) {
double pixels = amount;
pixels /= 2;
recursive_resize(parent, pixels, WLC_RESIZE_EDGE_LEFT);
recursive_resize(parent, pixels, WLC_RESIZE_EDGE_RIGHT);
} else if (rnumber) {
recursive_resize(parent, amount, WLC_RESIZE_EDGE_RIGHT);
} else if (lnumber) {
recursive_resize(parent, amount, WLC_RESIZE_EDGE_LEFT);
}
}
}
// Recursive resize does not handle positions, let arrange_windows
// take care of that.
arrange_windows(swayc_active_workspace(), -1, -1);
}
return true;
} else {
int tnumber = 0;
int bnumber = 0;
while (parent->parent) {
if (parent->parent->layout == L_VERT) {
for (i = 0; i < parent->parent->children->length; i++) {
sibling = parent->parent->children->items[i];
if (sibling->y != focused->y) {
if (sibling->y < parent->y) {
bnumber++;
} else if (sibling->y > parent->y) {
tnumber++;
}
}
}
if (bnumber || tnumber) {
break;
}
}
parent = parent->parent;
}
if (parent->parent == NULL || parent->parent->children == NULL) {
return true;
}
sway_log(L_DEBUG, "Found the proper parent: %p. It has %d b conts, and %d t conts", parent->parent, bnumber, tnumber);
//TODO: Ensure rounding is done in such a way that there are NO pixel leaks
bool valid = true;
for (i = 0; i < parent->parent->children->length; i++) {
sibling = parent->parent->children->items[i];
if (sibling->y != focused->y) {
if (sibling->y < parent->y) {
double pixels = -1 * amount;
pixels /= bnumber;
if (tnumber) {
if ((sibling->height + pixels/2) < min_sane_h) {
valid = false;
break;
}
} else {
if ((sibling->height + pixels) < min_sane_h) {
valid = false;
break;
}
}
} else if (sibling->y > parent->y) {
double pixels = -1 * amount;
pixels /= tnumber;
if (bnumber) {
if ((sibling->height + pixels/2) < min_sane_h) {
valid = false;
break;
}
} else {
if ((sibling->height + pixels) < min_sane_h) {
valid = false;
break;
}
}
}
} else {
double pixels = amount;
if (parent->height + pixels < min_sane_h) {
valid = false;
break;
}
}
}
if (valid) {
for (i = 0; i < parent->parent->children->length; i++) {
sibling = parent->parent->children->items[i];
if (sibling->y != focused->y) {
if (sibling->y < parent->y) {
double pixels = -1 * amount;
pixels /= bnumber;
if (tnumber) {
recursive_resize(sibling, pixels/2, WLC_RESIZE_EDGE_BOTTOM);
} else {
recursive_resize(sibling, pixels, WLC_RESIZE_EDGE_BOTTOM);
}
} else if (sibling->x > parent->x) {
double pixels = -1 * amount;
pixels /= tnumber;
if (bnumber) {
recursive_resize(sibling, pixels/2, WLC_RESIZE_EDGE_TOP);
} else {
recursive_resize(sibling, pixels, WLC_RESIZE_EDGE_TOP);
}
}
} else {
if (bnumber != 0 && tnumber != 0) {
double pixels = amount/2;
recursive_resize(parent, pixels, WLC_RESIZE_EDGE_TOP);
recursive_resize(parent, pixels, WLC_RESIZE_EDGE_BOTTOM);
} else if (tnumber) {
recursive_resize(parent, amount, WLC_RESIZE_EDGE_TOP);
} else if (bnumber) {
recursive_resize(parent, amount, WLC_RESIZE_EDGE_BOTTOM);
}
}
}
arrange_windows(swayc_active_workspace(), -1, -1);
}
return true;
}
return true;
}
static bool set_size_tiled(int amount, bool use_width) {
int desired;
swayc_t *focused = get_focused_view(swayc_active_workspace());
if (use_width) {
desired = amount - focused->width;
} else {
desired = amount - focused->height;
}
return resize_tiled(desired, use_width);
}
bool set_size(int dimension, bool use_width) {
swayc_t *focused = get_focused_view_include_floating(swayc_active_workspace());
if (focused) {
if (focused->is_floating) {
return set_size_floating(dimension, use_width);
} else {
return set_size_tiled(dimension, use_width);
}
}
return false;
}
bool resize(int dimension, bool use_width, enum resize_dim_types dim_type) {
swayc_t *focused = get_focused_view_include_floating(swayc_active_workspace());
// translate "10 ppt" (10%) to appropriate # of pixels in case we need it
float ppt_dim = (float)dimension / 100;
if (use_width) {
ppt_dim = focused->width * ppt_dim;
} else {
ppt_dim = focused->height * ppt_dim;
}
if (focused) {
if (focused->is_floating) {
// floating view resize dimensions should default to px, so only
// use ppt if specified
if (dim_type == RESIZE_DIM_PPT) {
dimension = (int)ppt_dim;
}
return resize_floating(dimension, use_width);
} else {
// tiled view resize dimensions should default to ppt, so only use
// px if specified
if (dim_type != RESIZE_DIM_PX) {
dimension = (int)ppt_dim;
}
return resize_tiled(dimension, use_width);
}
}
return false;
}