146 lines
4.4 KiB
C
146 lines
4.4 KiB
C
#include <wayland-server-core.h>
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#include <wlr/util/log.h>
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#include "types.h"
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#include "absinthe-toplevel.h"
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void reset_cursor_mode(struct absinthe_server *server)
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{
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server->cursor_mode = ABSINTHE_CURSOR_PASSTHROUGH;
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if (server->grabbed_toplevel) {
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wlr_xdg_toplevel_set_resizing(server->grabbed_toplevel->xdg_toplevel, false);
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server->grabbed_toplevel = NULL;
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}
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}
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static void process_cursor_move(struct absinthe_server *server) {
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struct absinthe_toplevel *toplevel = server->grabbed_toplevel;
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if (!toplevel)
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return;
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uint32_t new_x, new_y;
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new_x = server->cursor->x - server->grab_x + server->grabbed_geometry.x;
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new_y = server->cursor->y - server->grab_y + server->grabbed_geometry.y;
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toplevel->geometry.x = new_x;
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toplevel->geometry.y = new_y;
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absinthe_toplevel_set_position(toplevel, new_x, new_y);
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}
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static void apply_resize(struct absinthe_toplevel *toplevel, struct wlr_box *new_geometry)
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{
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int32_t bw = ABSINTHE_WINDOW_BORDER_WIDTH;
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int32_t min_width = toplevel->xdg_toplevel->current.min_width;
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int32_t min_height = toplevel->xdg_toplevel->current.min_height;
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int32_t max_width = toplevel->xdg_toplevel->current.max_width;
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int32_t max_height = toplevel->xdg_toplevel->current.max_height;
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if (max_width == 0)
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max_width = 10000;
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if (max_height == 0)
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max_height = 10000;
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if (new_geometry->width - 2 * bw >= min_width && new_geometry->width - 2 * bw <= max_width) {
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toplevel->geometry.x = new_geometry->x;
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toplevel->geometry.width = new_geometry->width;
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toplevel->performing_resize = true;
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}
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if (new_geometry->height - 2 * bw >= min_height && new_geometry->height - 2 * bw <= max_height) {
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toplevel->geometry.y = new_geometry->y;
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toplevel->geometry.height = new_geometry->height;
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toplevel->performing_resize = true;
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}
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if (toplevel->performing_resize)
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absinthe_toplevel_set_size(toplevel, toplevel->geometry.width - 2 * bw, toplevel->geometry.height - 2 * bw);
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}
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static void process_cursor_resize(struct absinthe_server *server) {
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struct absinthe_toplevel *toplevel = server->grabbed_toplevel;
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if (!toplevel)
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return;
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if (toplevel->performing_resize == true)
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return;
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int32_t new_x, new_y, new_width, new_height;
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new_x = server->grabbed_geometry.x;
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new_y = server->grabbed_geometry.y;
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new_width = server->grabbed_geometry.width;
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new_height = server->grabbed_geometry.height;
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int32_t dx = server->cursor->x - server->grab_x;
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int32_t dy = server->cursor->y - server->grab_y;
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if (dx == 0 && dy == 0)
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return;
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switch (server->cursor_resize_corner) {
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case ABSINTHE_CURSOR_RESIZE_CORNER_TOP_LEFT:
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new_x += dx;
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new_y += dy;
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new_width -= dx;
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new_height -= dy;
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break;
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case ABSINTHE_CURSOR_RESIZE_CORNER_TOP_RIGHT:
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new_y += dy;
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new_width += dx;
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new_height -= dy;
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break;
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case ABSINTHE_CURSOR_RESIZE_CORNER_BOTTOM_LEFT:
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new_x += dx;
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new_width -= dx;
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new_height += dy;
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break;
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case ABSINTHE_CURSOR_RESIZE_CORNER_BOTTOM_RIGHT:
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new_width += dx;
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new_height += dy;
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break;
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default: // unreachable
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break;
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}
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if (new_width > 0 && new_height > 0) {
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struct wlr_box new_geometry = {
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.x = new_x,
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.y = new_y,
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.width = new_width,
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.height = new_height,
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};
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apply_resize(server->grabbed_toplevel, &new_geometry);
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}
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}
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void process_cursor_motion(struct absinthe_server *server, uint32_t time)
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{
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if (server->cursor_mode == ABSINTHE_CURSOR_MOVE) {
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process_cursor_move(server);
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return;
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} else if (server->cursor_mode == ABSINTHE_CURSOR_RESIZE) {
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process_cursor_resize(server);
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return;
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}
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double sx, sy;
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struct wlr_seat *seat = server->seat;
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struct wlr_surface *surface = NULL;
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struct absinthe_toplevel *toplevel = absinthe_toplevel_at(server, server->cursor->x, server->cursor->y, &surface, &sx, &sy);
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if (!toplevel)
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wlr_cursor_set_xcursor(server->cursor, server->cursor_mgr, "default");
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if (surface) {
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wlr_seat_pointer_notify_enter(seat, surface, sx, sy);
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wlr_seat_pointer_notify_motion(seat, time, sx, sy);
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} else {
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wlr_seat_pointer_clear_focus(seat);
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}
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}
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