Merge pull request #3422 from RyanDwyer/resize-immediate-siblings

Resize only current and immediate siblings rather than all siblings
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Brian Ashworth 2019-01-14 21:45:14 -05:00 committed by GitHub
commit bbd312c95a
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3 changed files with 144 additions and 182 deletions

View file

@ -92,9 +92,12 @@ struct cmd_results *add_color(char *buffer, const char *color);
/**
* TODO: Move this function and its dependent functions to container.c.
*/
void container_resize_tiled(struct sway_container *parent, enum wlr_edges edge,
void container_resize_tiled(struct sway_container *parent, uint32_t axis,
int amount);
struct sway_container *container_find_resize_parent(struct sway_container *con,
uint32_t edge);
sway_cmd cmd_assign;
sway_cmd cmd_bar;
sway_cmd cmd_bindcode;

View file

@ -130,175 +130,115 @@ static bool is_horizontal(uint32_t axis) {
return axis & (WLR_EDGE_LEFT | WLR_EDGE_RIGHT);
}
static int parallel_coord(struct sway_container *c, uint32_t axis) {
return is_horizontal(axis) ? c->x : c->y;
}
static int parallel_size(struct sway_container *c, uint32_t axis) {
return is_horizontal(axis) ? c->width : c->height;
}
static void container_recursive_resize(struct sway_container *container,
double amount, enum wlr_edges edge) {
bool layout_match = true;
wlr_log(WLR_DEBUG, "Resizing %p with amount: %f", container, amount);
if (edge & (WLR_EDGE_LEFT | WLR_EDGE_RIGHT)) {
container->width += amount;
layout_match = container->layout == L_HORIZ;
} else if (edge & (WLR_EDGE_TOP | WLR_EDGE_BOTTOM)) {
container->height += amount;
layout_match = container->layout == L_VERT;
}
if (container->children) {
for (int i = 0; i < container->children->length; i++) {
struct sway_container *child = container->children->items[i];
double amt = layout_match ?
amount / container->children->length : amount;
container_recursive_resize(child, amt, edge);
}
}
}
static void resize_tiled(struct sway_container *parent, int amount,
struct sway_container *container_find_resize_parent(struct sway_container *con,
uint32_t axis) {
struct sway_container *focused = parent;
if (!parent) {
enum sway_container_layout parallel_layout =
is_horizontal(axis) ? L_HORIZ : L_VERT;
bool allow_first = axis != WLR_EDGE_TOP && axis != WLR_EDGE_LEFT;
bool allow_last = axis != WLR_EDGE_RIGHT && axis != WLR_EDGE_BOTTOM;
while (con) {
list_t *siblings = container_get_siblings(con);
int index = container_sibling_index(con);
if (container_parent_layout(con) == parallel_layout &&
siblings->length > 1 && (allow_first || index > 0) &&
(allow_last || index < siblings->length - 1)) {
return con;
}
con = con->parent;
}
return NULL;
}
void container_resize_tiled(struct sway_container *con,
uint32_t axis, int amount) {
if (!con) {
return;
}
enum sway_container_layout parallel_layout =
is_horizontal(axis) ? L_HORIZ : L_VERT;
int minor_weight = 0;
int major_weight = 0;
while (parent) {
list_t *siblings = container_get_siblings(parent);
if (container_parent_layout(parent) == parallel_layout) {
for (int i = 0; i < siblings->length; i++) {
struct sway_container *sibling = siblings->items[i];
int sibling_pos = parallel_coord(sibling, axis);
int focused_pos = parallel_coord(focused, axis);
int parent_pos = parallel_coord(parent, axis);
if (sibling_pos != focused_pos) {
if (sibling_pos < parent_pos) {
minor_weight++;
} else if (sibling_pos > parent_pos) {
major_weight++;
}
}
}
if (major_weight || minor_weight) {
break;
}
}
parent = parent->parent;
}
if (!parent) {
con = container_find_resize_parent(con, axis);
if (!con) {
// Can't resize in this direction
return;
}
// Implement up/down/left/right direction by zeroing one of the weights
if (axis == WLR_EDGE_TOP || axis == WLR_EDGE_LEFT) {
major_weight = 0;
} else if (axis == WLR_EDGE_RIGHT || axis == WLR_EDGE_BOTTOM) {
minor_weight = 0;
}
// For HORIZONTAL or VERTICAL, we are growing in two directions so select
// both adjacent siblings. For RIGHT or DOWN, just select the next sibling.
// For LEFT or UP, convert it to a RIGHT or DOWN resize and reassign con to
// the previous sibling.
struct sway_container *prev = NULL;
struct sway_container *next = NULL;
list_t *siblings = container_get_siblings(con);
int index = container_sibling_index(con);
bool horizontal = is_horizontal(axis);
int min_sane = horizontal ? MIN_SANE_W : MIN_SANE_H;
//TODO: Ensure rounding is done in such a way that there are NO pixel leaks
// ^ ?????
list_t *siblings = container_get_siblings(parent);
for (int i = 0; i < siblings->length; i++) {
struct sway_container *sibling = siblings->items[i];
int sibling_pos = parallel_coord(sibling, axis);
int focused_pos = parallel_coord(focused, axis);
int parent_pos = parallel_coord(parent, axis);
int sibling_size = parallel_size(sibling, axis);
int parent_size = parallel_size(parent, axis);
if (sibling_pos != focused_pos) {
if (sibling_pos < parent_pos && minor_weight) {
double pixels = -amount / minor_weight;
if (major_weight && (sibling_size + pixels / 2) < min_sane) {
return; // Too small
} else if (!major_weight && sibling_size + pixels < min_sane) {
return; // Too small
}
} else if (sibling_pos > parent_pos && major_weight) {
double pixels = -amount / major_weight;
if (minor_weight && (sibling_size + pixels / 2) < min_sane) {
return; // Too small
} else if (!minor_weight && sibling_size + pixels < min_sane) {
return; // Too small
}
}
if (axis == AXIS_HORIZONTAL || axis == AXIS_VERTICAL) {
if (index == 0) {
next = siblings->items[1];
} else if (index == siblings->length - 1) {
// Convert edge to top/left
next = con;
con = siblings->items[index - 1];
amount = -amount;
} else {
double pixels = amount;
if (parent_size + pixels < min_sane) {
return; // Too small
}
prev = siblings->items[index - 1];
next = siblings->items[index + 1];
}
}
enum wlr_edges minor_edge = horizontal ? WLR_EDGE_LEFT : WLR_EDGE_TOP;
enum wlr_edges major_edge = horizontal ? WLR_EDGE_RIGHT : WLR_EDGE_BOTTOM;
for (int i = 0; i < siblings->length; i++) {
struct sway_container *sibling = siblings->items[i];
int sibling_pos = parallel_coord(sibling, axis);
int focused_pos = parallel_coord(focused, axis);
int parent_pos = parallel_coord(parent, axis);
if (sibling_pos != focused_pos) {
if (sibling_pos < parent_pos && minor_weight) {
double pixels = -1 * amount;
pixels /= minor_weight;
if (major_weight) {
container_recursive_resize(sibling, pixels / 2, major_edge);
} else {
container_recursive_resize(sibling, pixels, major_edge);
}
} else if (sibling_pos > parent_pos && major_weight) {
double pixels = -1 * amount;
pixels /= major_weight;
if (minor_weight) {
container_recursive_resize(sibling, pixels / 2, minor_edge);
} else {
container_recursive_resize(sibling, pixels, minor_edge);
}
}
} else {
if (major_weight != 0 && minor_weight != 0) {
double pixels = amount;
pixels /= 2;
container_recursive_resize(parent, pixels, minor_edge);
container_recursive_resize(parent, pixels, major_edge);
} else if (major_weight) {
container_recursive_resize(parent, amount, major_edge);
} else if (minor_weight) {
container_recursive_resize(parent, amount, minor_edge);
}
} else if (axis == WLR_EDGE_TOP || axis == WLR_EDGE_LEFT) {
if (!sway_assert(index > 0, "Didn't expect first child")) {
return;
}
}
if (parent->parent) {
arrange_container(parent->parent);
next = con;
con = siblings->items[index - 1];
amount = -amount;
} else {
arrange_workspace(parent->workspace);
if (!sway_assert(index < siblings->length - 1,
"Didn't expect last child")) {
return;
}
next = siblings->items[index + 1];
}
}
void container_resize_tiled(struct sway_container *parent,
enum wlr_edges edge, int amount) {
resize_tiled(parent, amount, edge);
// Apply new dimensions
int sibling_amount = prev ? amount / 2 : amount;
if (is_horizontal(axis)) {
if (con->width + amount < MIN_SANE_W) {
return;
}
if (next->width - sibling_amount < MIN_SANE_W) {
return;
}
if (prev && prev->width - sibling_amount < MIN_SANE_W) {
return;
}
con->width += amount;
next->width -= sibling_amount;
if (prev) {
prev->width -= sibling_amount;
}
} else {
if (con->height + amount < MIN_SANE_H) {
return;
}
if (next->height - sibling_amount < MIN_SANE_H) {
return;
}
if (prev && prev->height - sibling_amount < MIN_SANE_H) {
return;
}
con->height += amount;
next->height -= sibling_amount;
if (prev) {
prev->height -= sibling_amount;
}
}
if (con->parent) {
arrange_container(con->parent);
} else {
arrange_workspace(con->workspace);
}
}
/**
@ -379,7 +319,7 @@ static struct cmd_results *resize_adjust_tiled(uint32_t axis,
double old_width = current->width;
double old_height = current->height;
resize_tiled(current, amount->amount, axis);
container_resize_tiled(current, axis, amount->amount);
if (current->width == old_width && current->height == old_height) {
return cmd_results_new(CMD_INVALID, "Cannot resize any further");
}
@ -407,7 +347,8 @@ static struct cmd_results *resize_set_tiled(struct sway_container *con,
width->unit = RESIZE_UNIT_PX;
}
if (width->unit == RESIZE_UNIT_PX) {
resize_tiled(con, width->amount - con->width, AXIS_HORIZONTAL);
container_resize_tiled(con, AXIS_HORIZONTAL,
width->amount - con->width);
}
}
@ -427,7 +368,8 @@ static struct cmd_results *resize_set_tiled(struct sway_container *con,
height->unit = RESIZE_UNIT_PX;
}
if (height->unit == RESIZE_UNIT_PX) {
resize_tiled(con, height->amount - con->height, AXIS_VERTICAL);
container_resize_tiled(con, AXIS_VERTICAL,
height->amount - con->height);
}
}

View file

@ -1,15 +1,22 @@
#define _POSIX_C_SOURCE 200809L
#include <wlr/types/wlr_cursor.h>
#include <wlr/util/edges.h>
#include "sway/commands.h"
#include "sway/input/cursor.h"
#include "sway/input/seat.h"
struct seatop_resize_tiling_event {
struct sway_container *con;
struct sway_container *con; // leaf container
// con, or ancestor of con which will be resized horizontally/vertically
struct sway_container *h_con;
struct sway_container *v_con;
enum wlr_edges edge;
enum wlr_edges edge_x, edge_y;
double ref_lx, ref_ly; // cursor's x/y at start of op
double ref_width, ref_height; // container's size at start of op
double ref_con_lx, ref_con_ly; // container's x/y at start of op
double h_con_orig_width; // width of the horizontal ancestor at start
double v_con_orig_height; // height of the vertical ancestor at start
};
static void handle_motion(struct sway_seat *seat, uint32_t time_msec) {
@ -18,30 +25,27 @@ static void handle_motion(struct sway_seat *seat, uint32_t time_msec) {
int amount_y = 0;
int moved_x = seat->cursor->cursor->x - e->ref_lx;
int moved_y = seat->cursor->cursor->y - e->ref_ly;
enum wlr_edges edge_x = WLR_EDGE_NONE;
enum wlr_edges edge_y = WLR_EDGE_NONE;
struct sway_container *con = e->con;
if (e->edge & WLR_EDGE_TOP) {
amount_y = (e->ref_height - moved_y) - con->height;
edge_y = WLR_EDGE_TOP;
} else if (e->edge & WLR_EDGE_BOTTOM) {
amount_y = (e->ref_height + moved_y) - con->height;
edge_y = WLR_EDGE_BOTTOM;
if (e->h_con) {
if (e->edge & WLR_EDGE_LEFT) {
amount_x = (e->h_con_orig_width - moved_x) - e->h_con->width;
} else if (e->edge & WLR_EDGE_RIGHT) {
amount_x = (e->h_con_orig_width + moved_x) - e->h_con->width;
}
}
if (e->edge & WLR_EDGE_LEFT) {
amount_x = (e->ref_width - moved_x) - con->width;
edge_x = WLR_EDGE_LEFT;
} else if (e->edge & WLR_EDGE_RIGHT) {
amount_x = (e->ref_width + moved_x) - con->width;
edge_x = WLR_EDGE_RIGHT;
if (e->v_con) {
if (e->edge & WLR_EDGE_TOP) {
amount_y = (e->v_con_orig_height - moved_y) - e->v_con->height;
} else if (e->edge & WLR_EDGE_BOTTOM) {
amount_y = (e->v_con_orig_height + moved_y) - e->v_con->height;
}
}
if (amount_x != 0) {
container_resize_tiled(e->con, edge_x, amount_x);
container_resize_tiled(e->h_con, e->edge_x, amount_x);
}
if (amount_y != 0) {
container_resize_tiled(e->con, edge_y, amount_y);
container_resize_tiled(e->v_con, e->edge_y, amount_y);
}
}
@ -81,10 +85,23 @@ void seatop_begin_resize_tiling(struct sway_seat *seat,
e->ref_lx = seat->cursor->cursor->x;
e->ref_ly = seat->cursor->cursor->y;
e->ref_con_lx = con->x;
e->ref_con_ly = con->y;
e->ref_width = con->width;
e->ref_height = con->height;
if (edge & (WLR_EDGE_LEFT | WLR_EDGE_RIGHT)) {
e->edge_x = edge & (WLR_EDGE_LEFT | WLR_EDGE_RIGHT);
e->h_con = container_find_resize_parent(e->con, e->edge_x);
if (e->h_con) {
e->h_con_orig_width = e->h_con->width;
}
}
if (edge & (WLR_EDGE_TOP | WLR_EDGE_BOTTOM)) {
e->edge_y = edge & (WLR_EDGE_TOP | WLR_EDGE_BOTTOM);
e->v_con = container_find_resize_parent(e->con, e->edge_y);
if (e->v_con) {
e->v_con_orig_height = e->v_con->height;
}
}
seat->seatop_impl = &seatop_impl;
seat->seatop_data = e;