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stage.c
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/*-
* Copyright (c) 2022 Ruslan Bukin <[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#define _POSIX_C_SOURCE 200112L
#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
#include <getopt.h>
#include <stdio.h>
#include <stdbool.h>
#include <linux/input-event-codes.h>
#include <wlr/backend.h>
#include <wlr/backend/libinput.h>
#include <wlr/interfaces/wlr_keyboard.h>
#include <wlr/render/allocator.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_data_control_v1.h>
#include <wlr/types/wlr_data_device.h>
#include <wlr/types/wlr_export_dmabuf_v1.h>
#include <wlr/types/wlr_gamma_control_v1.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_input_inhibitor.h>
#include <wlr/types/wlr_keyboard.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_output_management_v1.h>
#include <wlr/types/wlr_pointer.h>
#include <wlr/types/wlr_presentation_time.h>
#include <wlr/types/wlr_primary_selection.h>
#include <wlr/types/wlr_primary_selection_v1.h>
#include <wlr/types/wlr_scene.h>
#include <wlr/types/wlr_screencopy_v1.h>
#include <wlr/types/wlr_seat.h>
#include <wlr/types/wlr_server_decoration.h>
#include <wlr/types/wlr_subcompositor.h>
#include <wlr/types/wlr_viewporter.h>
#include <wlr/types/wlr_virtual_keyboard_v1.h>
#include <wlr/types/wlr_virtual_pointer_v1.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/types/wlr_xdg_activation_v1.h>
#include <wlr/types/wlr_xdg_decoration_v1.h>
#include <wlr/types/wlr_xdg_output_v1.h>
#include <wlr/types/wlr_xdg_shell.h>
#include <wlr/util/log.h>
#include <xkbcommon/xkbcommon.h>
#include <libinput.h>
#include "conf/config.h"
#define dbg_printf(args...)
enum stage_cursor_mode {
STAGE_CURSOR_PASSTHROUGH,
STAGE_CURSOR_MOVE, /* mod + left mouse button + move */
STAGE_CURSOR_RESIZE, /* mod + right mouse button + move */
STAGE_CURSOR_SCROLL, /* left mouse button + move */
};
struct stage_server {
struct wl_display *wl_disp;
struct wlr_backend *backend;
struct wlr_renderer *renderer;
struct wlr_allocator *allocator;
struct wlr_scene *scene;
struct wlr_presentation *presentation;
struct wl_listener new_output;
struct wl_listener new_xdg_surface;
struct wl_list views;
struct wlr_xdg_shell *xdg_shell;
struct wlr_output_layout *output_layout;
struct wl_list outputs;
struct wlr_scene_output_layout *scene_layout;
struct wlr_cursor *cursor;
struct wlr_input_device *device;
struct wlr_xcursor_manager *cursor_mgr;
struct wl_listener cursor_motion;
struct wl_listener cursor_motion_absolute;
struct wl_listener cursor_button;
struct wl_listener cursor_axis;
struct wl_listener cursor_frame;
struct wlr_seat *seat;
struct wl_listener new_input;
struct wl_listener request_cursor;
struct wl_listener request_set_selection;
struct wl_listener request_set_primary_selection;
struct wl_list keyboards;
enum stage_cursor_mode cursor_mode;
struct stage_view *grabbed_view;
double grab_x, grab_y;
struct wlr_box grab_geobox;
uint32_t resize_edges;
double cur_saved_x;
double cur_saved_y;
int current_layout;
struct wlr_input_inhibit_manager *inhibit_manager;
struct wlr_compositor *compositor;
struct wlr_xdg_activation_v1 *activation;
struct wl_listener request_activate;
struct wl_listener layout_change;
struct wlr_output_manager_v1 *output_manager;
struct wl_listener output_manager_apply;
struct wl_listener output_manager_test;
struct wlr_virtual_pointer_manager_v1 *virtual_pointer_manager;
struct wl_listener new_virtual_pointer;
};
struct stage_output {
struct wl_list link;
struct stage_server *server;
struct wlr_output *wlr_output;
struct wl_listener frame;
int curws;
struct wlr_scene_rect *background;
};
enum stage_view_type {
VIEW_XDG,
};
struct stage_view {
struct wl_list link;
struct stage_server *server;
struct wlr_xdg_toplevel *xdg_toplevel;
struct wlr_xdg_surface *xdg_surface;
struct wlr_scene_tree *scene_tree;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener destroy;
struct wl_listener request_move;
struct wl_listener request_resize;
struct wl_listener request_maximize;
struct wl_listener request_minimize;
struct wl_listener commit;
int x, y, w, h;
int sx, sy, sw, sh; /* saved */
int maxverted;
int maximized;
struct wlr_scene_rect *rect[4]; /* borders */
bool was_focused;
enum stage_view_type type;
};
#define N_WORKSPACES 10
#define STAGE_MODIFIER WLR_MODIFIER_LOGO
#define END(A) ((A) + LENGTH(A))
#define LENGTH(X) (sizeof X / sizeof X[0])
#define SHFTKEY WLR_MODIFIER_SHIFT
static struct stage_workspace {
struct wl_list views;
} workspaces[N_WORKSPACES];
#define TERMINAL_FONT_WIDTH 12
struct stage_keyboard {
struct wl_list link;
struct stage_server *server;
struct wlr_keyboard *wlr_keyboard;
struct wlr_input_device *device;
struct wl_listener modifiers;
struct wl_listener key;
struct wl_listener destroy;
};
static int enable_exczone = 1;
static void
create_borders(struct stage_view *view)
{
int i;
for (i = 0; i < 4; i++)
view->rect[i] = wlr_scene_rect_create(view->scene_tree, 0, 0,
color_default);
}
static void
update_borders(struct stage_view *view)
{
/* left */
wlr_scene_node_set_position(&view->rect[0]->node, 0, 0);
wlr_scene_rect_set_size(view->rect[0], 1, view->h);
/* top */
wlr_scene_node_set_position(&view->rect[1]->node, 0, 0);
wlr_scene_rect_set_size(view->rect[1], view->w, 1);
/* bottom */
wlr_scene_node_set_position(&view->rect[2]->node, 0, view->h - 1);
wlr_scene_rect_set_size(view->rect[2], view->w, 1);
/* right */
wlr_scene_node_set_position(&view->rect[3]->node, view->w - 1, 0);
wlr_scene_rect_set_size(view->rect[3], 1, view->h);
wlr_scene_node_set_position(&view->scene_tree->node, view->x, view->y);
wlr_xdg_toplevel_set_size(view->xdg_toplevel, view->w, view->h);
}
static struct stage_output *
output_at(struct stage_server *server, double x, double y)
{
struct wlr_output *o;
o = wlr_output_layout_output_at(server->output_layout, x, y);
if (o)
return (o->data);
return (NULL);
}
static struct stage_output *
cursor_at(struct stage_server *server)
{
struct stage_output *out;
out = output_at(server, server->cursor->x, server->cursor->y);
assert(out != NULL);
return (out);
}
static void
view_geometry(struct stage_view *view, struct wlr_box *geom)
{
wlr_xdg_surface_get_geometry(view->xdg_surface, geom);
}
static void
view_set_borders_active(struct stage_view *view, bool active)
{
const float *color;
int i;
if (active)
color = color_focused;
else
color = color_default;
for (i = 0; i < 4; i++)
wlr_scene_rect_set_color(view->rect[i], color);
}
static struct wlr_surface *
view_surface(struct stage_view *view)
{
struct wlr_surface *surface;
surface = NULL;
switch (view->type) {
case VIEW_XDG:
surface = view->xdg_surface->surface;
break;
default:
break;
}
return (surface);
}
static const char *
get_app_id(struct stage_view *view)
{
const char *res;
res = view->xdg_surface->toplevel->app_id;
return (res);
}
static void
focus_view(struct stage_view *view, struct wlr_surface *surface)
{
struct wlr_surface *prev_surface;
struct wlr_xdg_surface *previous;
struct wlr_scene_node *scene_node;
struct stage_server *server;
struct wlr_keyboard *kb;
struct wlr_seat *seat;
struct stage_view *prev_view;
struct stage_output *out;
struct stage_workspace *ws;
const char *app_id;
out = cursor_at(view->server);
ws = &workspaces[out->curws];
if (view == NULL)
return;
server = view->server;
seat = server->seat;
kb = wlr_seat_get_keyboard(seat);
prev_surface = seat->keyboard_state.focused_surface;
if (prev_surface == surface)
return;
if (prev_surface) {
previous =
wlr_xdg_surface_try_from_wlr_surface(prev_surface);
assert(previous != NULL);
assert(previous->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
wlr_xdg_toplevel_set_activated(previous->toplevel,
false);
scene_node = previous->data;
prev_view = scene_node->data;
view_set_borders_active(prev_view, false);
}
wl_list_remove(&view->link);
wl_list_insert(&ws->views, &view->link);
app_id = get_app_id(view);
if (strcmp(app_id, "lxqt-panel") == 0)
wlr_scene_node_raise_to_top(&view->scene_tree->node);
wlr_xdg_toplevel_set_activated(view->xdg_toplevel, true);
wlr_seat_keyboard_notify_enter(seat, view_surface(view),
kb->keycodes, kb->num_keycodes, &kb->modifiers);
app_id = get_app_id(view);
if (strcmp(app_id, "lxqt-panel") != 0)
view_set_borders_active(view, true);
}
static struct stage_view *
desktop_view_at(struct stage_server *server, double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy)
{
struct wlr_scene_surface *scene_surface;
struct wlr_scene_buffer *scene_buffer;
struct wlr_scene_node *node;
struct wlr_scene_tree *tree;
struct stage_view *view;
#if 0
out = output_at(server, lx, ly);
ws = &workspaces[out->curws];
wl_list_for_each(view, &ws->views, link) {
box = &view->xdg_toplevel->base->current.geometry;
if (wlr_box_contains_point(box, lx, ly))
return (view);
}
return (NULL);
#endif
#if 1
node = wlr_scene_node_at(&server->scene->tree.node, lx, ly, sx, sy);
if (node == NULL || node->type != WLR_SCENE_NODE_BUFFER)
return (NULL);
if (surface && node->type == WLR_SCENE_NODE_BUFFER) {
scene_buffer = wlr_scene_buffer_from_node(node);
scene_surface = wlr_scene_surface_try_from_buffer(scene_buffer);
if (scene_surface == NULL)
return (NULL);
*surface = scene_surface->surface;
}
tree = node->parent;
while (tree != NULL && tree->node.data == NULL)
tree = tree->node.parent;
view = tree->node.data;
#endif
return (view);
}
static void
view_align(struct stage_view *view)
{
struct wlr_box geom;
struct stage_output *out;
struct wlr_output *output;
out = cursor_at(view->server);
output = out->wlr_output;
wlr_xdg_surface_get_geometry(view->xdg_surface, &geom);
printf("%s: view geoms %d %d %d %d\n", __func__, geom.x, geom.y,
geom.width, geom.height);
view->w = geom.width;
view->h = geom.height;
view->x = (output->width - geom.width) / 2;
view->y = (output->height - geom.height) / 2;
}
static void
set_client_geometry(struct stage_view *view, int pos_x, int pos_y)
{
struct wlr_box geom;
wlr_xdg_surface_get_geometry(view->xdg_surface, &geom);
printf("%s: view geoms %d %d %d %d\n", __func__, geom.x, geom.y,
geom.width, geom.height);
view->w = geom.width;
view->h = geom.height;
view->x = pos_x;
view->y = pos_y;
}
static void
applyrules(struct stage_view *view)
{
const char *app_id;
const Rule *r;
for (r = rules; r < END(rules); r++) {
app_id = get_app_id(view);
if (strcmp(app_id, r->app_id) == 0)
set_client_geometry(view, r->x, r->y);
}
}
static void
xdg_toplevel_map(struct wl_listener *listener, void *data)
{
struct stage_workspace *curws;
struct stage_output *out;
struct stage_view *view;
struct wlr_box geom;
view = wl_container_of(listener, view, map);
out = cursor_at(view->server);
curws = &workspaces[out->curws];
wl_list_insert(&curws->views, &view->link);
#if 0
enum wlr_edges edges = WLR_EDGE_NONE;
edges = WLR_EDGE_LEFT | WLR_EDGE_RIGHT | WLR_EDGE_TOP | WLR_EDGE_BOTTOM;
wlr_xdg_toplevel_set_tiled(view->xdg_toplevel, edges);
#endif
view_align(view);
applyrules(view);
view_geometry(view, &geom);
view->w = geom.width;
view->h = geom.height;
update_borders(view);
focus_view(view, view_surface(view));
}
void
request_activate(struct wl_listener *listener, void *data)
{
printf("%s\n", __func__);
}
void
layout_change(struct wl_listener *listener, void *data)
{
printf("%s\n", __func__);
}
void
output_manager_apply(struct wl_listener *listener, void *data)
{
printf("%s\n", __func__);
}
void
output_manager_test(struct wl_listener *listener, void *data)
{
printf("%s\n", __func__);
}
static struct stage_view *
view_from_surface(struct stage_server *server, struct wlr_surface *surface)
{
struct wlr_xdg_surface *xdg_surface;
struct wlr_scene_node *scene_node;
struct stage_view *view;
xdg_surface = wlr_xdg_surface_try_from_wlr_surface(surface);
assert(xdg_surface != NULL);
scene_node = xdg_surface->data;
view = scene_node->data;
assert(view != NULL);
return (view);
}
static void
changeworkspace(struct stage_server *server, int newws)
{
struct stage_workspace *ws;
struct stage_view *view, *tmpview;
struct stage_view *focused_view;
struct stage_output *out;
struct wlr_surface *surface;
struct wlr_seat *seat;
int oldws;
const char *app_id;
out = cursor_at(server);
oldws = out->curws;
out->curws = newws;
focused_view = NULL;
seat = server->seat;
surface = seat->keyboard_state.focused_surface;
if (surface)
focused_view = view_from_surface(server, surface);
dbg_printf("%s: ws %d -> %d\n", __func__, oldws, newws);
ws = &workspaces[oldws];
wl_list_for_each_safe(view, tmpview, &ws->views, link) {
wlr_scene_node_set_enabled(&view->scene_tree->node, false);
if (view == focused_view)
view->was_focused = true;
else
view->was_focused = false;
}
ws = &workspaces[newws];
wl_list_for_each_safe(view, tmpview, &ws->views, link) {
wlr_scene_node_set_enabled(&view->scene_tree->node, true);
if (view->was_focused)
focus_view(view, view_surface(view));
}
// sticky ?
ws = &workspaces[oldws];
wl_list_for_each_safe(view, tmpview, &ws->views, link) {
app_id = get_app_id(view);
if (strcmp(app_id, "lxqt-panel") == 0)
wlr_scene_node_set_enabled(&view->scene_tree->node, true);
}
}
static void
output_frame(struct wl_listener *listener, void *data)
{
struct wlr_scene_output *scene_output;
struct wlr_scene *scene;
struct stage_output *output;
struct timespec now;
dbg_printf("%s\n", __func__);
output = wl_container_of(listener, output, frame);
scene = output->server->scene;
scene_output = wlr_scene_get_scene_output(scene, output->wlr_output);
wlr_scene_output_commit(scene_output, NULL);
clock_gettime(CLOCK_MONOTONIC, &now);
wlr_scene_output_send_frame_done(scene_output, &now);
}
static void
set_layout(struct stage_server *server)
{
struct xkb_context *context;
struct xkb_rule_names rules;
struct xkb_keymap *keymap;
struct wlr_keyboard *kbd;
memset(&rules, 0, sizeof(struct xkb_rule_names));
rules.layout = "us,ru";
context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
kbd = wlr_seat_get_keyboard(server->seat);
keymap = xkb_keymap_new_from_names(context, &rules,
XKB_KEYMAP_COMPILE_NO_FLAGS);
wlr_keyboard_set_keymap(kbd, keymap);
xkb_context_unref(context);
}
static void
unmaxvert(struct stage_view *view)
{
view->maxverted = false;
view->x = view->sx;
view->y = view->sy;
view->w = view->sw;
view->h = view->sh;
update_borders(view);
}
static void
maxvert(struct stage_server *server)
{
struct wlr_surface *surface;
struct wlr_output *output;
struct stage_output *out;
struct stage_view *view;
struct wlr_seat *seat;
unsigned int eexz = enable_exczone;
seat = server->seat;
surface = seat->keyboard_state.focused_surface;
if (!surface)
return;
view = view_from_surface(server, surface);
if (view->maxverted) {
unmaxvert(view);
return;
}
view->maxverted = true;
view->sx = view->x;
view->sy = view->y;
view->sw = view->w;
view->sh = view->h;
out = output_at(server, view->x, view->y);
output = out->wlr_output;
view->y = eexz * exczone;
view->h = output->height - (eexz * exczone);
update_borders(view);
wlr_scene_node_raise_to_top(&view->scene_tree->node);
}
static void
maxvert_lr(struct stage_server *server, int factor)
{
struct wlr_surface *surface;
struct wlr_output *output;
struct stage_output *out;
struct stage_view *view;
struct wlr_seat *seat;
unsigned int eexz = enable_exczone;
const char *app_id;
seat = server->seat;
surface = seat->keyboard_state.focused_surface;
if (!surface)
return;
view = view_from_surface(server, surface);
view->sx = view->x;
view->sy = view->y;
view->sw = view->w;
view->sh = view->h;
if (view->x < 0 || view->y < 0)
{
view->x = 0;
view->y = 0;
}
out = output_at(server, view->x, view->y);
output = out->wlr_output;
if ((view->x + view->w) > output->width || (view->y + view->h) > output->height)
{
view->x = 0;
view->y = 0;
}
app_id = get_app_id(view);
if (strcmp(app_id, "lxqt-panel") == 0)
return;
view->w = (output->width - (3 * gapsize) - ((eexz * exczone) + (gapsize * eexz))) / 2;
view->h = output->height - (2 * gapsize);
view->x = (view->w + gapsize) * factor + gapsize + ((eexz * exczone) + (gapsize * eexz));
view->y = gapsize;
update_borders(view);
wlr_scene_node_raise_to_top(&view->scene_tree->node);
}
static void
maxvert_ub(struct stage_server *server, int factor)
{
struct wlr_surface *surface;
struct wlr_output *output;
struct stage_output *out;
struct stage_view *view;
struct wlr_seat *seat;
unsigned int eexz = enable_exczone;
const char *app_id;
seat = server->seat;
surface = seat->keyboard_state.focused_surface;
if (!surface)
return;
view = view_from_surface(server, surface);
view->sx = view->x;
view->sy = view->y;
view->sw = view->w;
view->sh = view->h;
if (view->x < 0 || view->y < 0)
{
view->x = 0;
view->y = 0;
}
out = output_at(server, view->x, view->y);
output = out->wlr_output;
if ((view->x + view->w) > output->width || (view->y + view->h) > output->height)
{
view->x = 0;
view->y = 0;
}
app_id = get_app_id(view);
if (strcmp(app_id, "lxqt-panel") == 0)
return;
view->w = (output->width - (2 * gapsize) - (eexz * exczone) - (gapsize * eexz));
view->h = (output->height - (3 * gapsize)) / 2;
view->x = gapsize + (eexz * exczone) + (gapsize * eexz);
view->y = (view->h + gapsize) * factor + gapsize;
update_borders(view);
wlr_scene_node_raise_to_top(&view->scene_tree->node);
}
static void
move_resize(struct stage_server *server, int stepx, int stepy, int stepw, int steph)
{
struct wlr_surface *surface;
struct wlr_output *output;
struct stage_output *out;
struct stage_view *view;
struct wlr_seat *seat;
const char *app_id;
seat = server->seat;
surface = seat->keyboard_state.focused_surface;
if (!surface)
return;
view = view_from_surface(server, surface);
view->sx = view->x;
view->sy = view->y;
view->sw = view->w;
view->sh = view->h;
if (view->x < 0 || view->y < 0)
{
view->x = 0;
view->y = 0;
}
out = output_at(server, view->x, view->y);
output = out->wlr_output;
if ((view->x + view->w) > output->width || (view->y + view->h) > output->height)
{
view->x = 0;
view->y = 0;
}
app_id = get_app_id(view);
if (strcmp(app_id, "lxqt-panel") == 0)
return;
view->x = view->sx + stepx;
view->y = view->sy + stepy;
view->w = view->sw + stepw;
view->h = view->sh + steph;
update_borders(view);
wlr_scene_node_raise_to_top(&view->scene_tree->node);
}
void
toggle_exczone()
{
enable_exczone = !enable_exczone;
}
static void
unmaximize(struct stage_view *view)
{
view->maximized = false;
view->x = view->sx;
view->y = view->sy;
view->w = view->sw;
view->h = view->sh;
update_borders(view);
}
static void
maximize(struct stage_server *server)
{
struct wlr_surface *surface;
struct wlr_output *output;
struct stage_output *out;
struct stage_view *view;
struct wlr_seat *seat;
unsigned int eexz = enable_exczone;
const char *app_id;
seat = server->seat;
surface = seat->keyboard_state.focused_surface;
if (!surface)
return;
view = view_from_surface(server, surface);
if (view->maximized) {
unmaximize(view);
return;
}
view->maximized = true;
view->sx = view->x;
view->sy = view->y;
view->sw = view->w;
view->sh = view->h;
if (view->x < 0 || view->y < 0)
{
view->x = 0;
view->y = 0;
}
out = output_at(server, view->x, view->y);
output = out->wlr_output;
if ((view->x + view->w) > output->width || (view->y + view->h) > output->height)
{
view->x = 0;
view->y = 0;
}
app_id = get_app_id(view);
if (strcmp(app_id, "lxqt-panel") == 0)
return;
view->x = gapsize + ((eexz * exczone) + (gapsize * eexz));
view->y = gapsize;
view->w = output->width - ( 2 * gapsize ) - ((eexz * exczone) + (gapsize * eexz));
view->h = output->height - ( 2 * gapsize );
update_borders(view);
wlr_scene_node_raise_to_top(&view->scene_tree->node);
}
static void
fullscreen(struct stage_server *server)
{
struct wlr_surface *surface;
struct wlr_output *output;
struct stage_output *out;
struct stage_view *view;
struct wlr_seat *seat;
const char *app_id;
seat = server->seat;
surface = seat->keyboard_state.focused_surface;
if (!surface)
return;
view = view_from_surface(server, surface);
if (view->maximized) {
unmaximize(view);
return;
}
view->maximized = true;
view->sx = view->x;
view->sy = view->y;
view->sw = view->w;
view->sh = view->h;
if (view->x < 0 || view->y < 0)
{
view->x = 0;
view->y = 0;
}
out = output_at(server, view->x, view->y);
output = out->wlr_output;
if ((view->x + view->w) > output->width || (view->y + view->h) > output->height)
{
view->x = 0;
view->y = 0;
}
app_id = get_app_id(view);
if (strcmp(app_id, "lxqt-panel") == 0)
return;
view->x = 0;
view->y = 0;
view->w = output->width;
view->h = output->height;
update_borders(view);
wlr_scene_node_raise_to_top(&view->scene_tree->node);
}
static void
move_to_center(struct stage_server *server)
{
struct wlr_surface *surface;
struct wlr_output *output;
struct stage_output *out;
struct stage_view *view;
struct wlr_seat *seat;
seat = server->seat;
surface = seat->keyboard_state.focused_surface;
if (!surface)
return;
view = view_from_surface(server, surface);
view->sx = view->x;
view->sy = view->y;
view->sw = view->w;
view->sh = view->h;
if (view->x < 0 || view->y < 0)
{