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93 lines
2.5 KiB
93 lines
2.5 KiB
6 years ago
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#define _POSIX_C_SOURCE 200809L
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#include <wlr/types/wlr_cursor.h>
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#include "sway/commands.h"
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#include "sway/input/cursor.h"
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#include "sway/input/seat.h"
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struct seatop_resize_tiling_event {
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struct sway_container *con;
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enum wlr_edges edge;
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double ref_lx, ref_ly; // cursor's x/y at start of op
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double ref_width, ref_height; // container's size at start of op
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double ref_con_lx, ref_con_ly; // container's x/y at start of op
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};
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static void handle_motion(struct sway_seat *seat, uint32_t time_msec) {
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struct seatop_resize_tiling_event *e = seat->seatop_data;
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int amount_x = 0;
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int amount_y = 0;
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int moved_x = seat->cursor->cursor->x - e->ref_lx;
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int moved_y = seat->cursor->cursor->y - e->ref_ly;
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enum wlr_edges edge_x = WLR_EDGE_NONE;
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enum wlr_edges edge_y = WLR_EDGE_NONE;
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struct sway_container *con = e->con;
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if (e->edge & WLR_EDGE_TOP) {
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amount_y = (e->ref_height - moved_y) - con->height;
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edge_y = WLR_EDGE_TOP;
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} else if (e->edge & WLR_EDGE_BOTTOM) {
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amount_y = (e->ref_height + moved_y) - con->height;
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edge_y = WLR_EDGE_BOTTOM;
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}
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if (e->edge & WLR_EDGE_LEFT) {
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amount_x = (e->ref_width - moved_x) - con->width;
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edge_x = WLR_EDGE_LEFT;
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} else if (e->edge & WLR_EDGE_RIGHT) {
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amount_x = (e->ref_width + moved_x) - con->width;
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edge_x = WLR_EDGE_RIGHT;
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}
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if (amount_x != 0) {
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container_resize_tiled(e->con, edge_x, amount_x);
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}
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if (amount_y != 0) {
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container_resize_tiled(e->con, edge_y, amount_y);
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}
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}
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static void handle_finish(struct sway_seat *seat) {
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cursor_set_image(seat->cursor, "left_ptr", NULL);
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}
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static void handle_abort(struct sway_seat *seat) {
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cursor_set_image(seat->cursor, "left_ptr", NULL);
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}
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static void handle_unref(struct sway_seat *seat, struct sway_container *con) {
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struct seatop_resize_tiling_event *e = seat->seatop_data;
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if (e->con == con) {
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seatop_abort(seat);
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}
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}
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static const struct sway_seatop_impl seatop_impl = {
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.motion = handle_motion,
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.finish = handle_finish,
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.abort = handle_abort,
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.unref = handle_unref,
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};
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void seatop_begin_resize_tiling(struct sway_seat *seat,
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struct sway_container *con, uint32_t button, enum wlr_edges edge) {
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seatop_abort(seat);
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struct seatop_resize_tiling_event *e =
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calloc(1, sizeof(struct seatop_resize_tiling_event));
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if (!e) {
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return;
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}
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e->con = con;
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e->edge = edge;
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e->ref_lx = seat->cursor->cursor->x;
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e->ref_ly = seat->cursor->cursor->y;
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e->ref_con_lx = con->x;
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e->ref_con_ly = con->y;
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e->ref_width = con->width;
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e->ref_height = con->height;
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seat->seatop_impl = &seatop_impl;
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seat->seatop_data = e;
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seat->seatop_button = button;
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}
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