LookingGlass/client/displayservers/Wayland/shell_xdg.c

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/**
* Looking Glass
2023-10-20 04:36:34 +00:00
* Copyright © 2017-2023 The Looking Glass Authors
* https://looking-glass.io
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "wayland.h"
#include <stdbool.h>
#include <wayland-client.h>
#include "app.h"
#include "common/debug.h"
// XDG WM base listeners.
static void xdgWmBasePing(void * data, struct xdg_wm_base * xdgWmBase, uint32_t serial)
{
xdg_wm_base_pong(xdgWmBase, serial);
}
static const struct xdg_wm_base_listener xdgWmBaseListener = {
.ping = xdgWmBasePing,
};
// XDG Surface listeners.
static void xdgSurfaceConfigure(void * data, struct xdg_surface * xdgSurface,
uint32_t serial)
{
if (wlWm.configured)
{
wlWm.needsResize = true;
wlWm.resizeSerial = serial;
app_invalidateWindow(true);
waylandStopWaitFrame();
}
else
{
xdg_surface_ack_configure(xdgSurface, serial);
wlWm.configured = true;
}
}
static const struct xdg_surface_listener xdgSurfaceListener = {
.configure = xdgSurfaceConfigure,
};
// XDG Toplevel listeners.
static void xdgToplevelConfigure(void * data, struct xdg_toplevel * xdgToplevel,
int32_t width, int32_t height, struct wl_array * states)
{
wlWm.width = width;
wlWm.height = height;
wlWm.fullscreen = false;
wlWm.floating = true;
enum xdg_toplevel_state * state;
wl_array_for_each(state, states)
{
switch (*state)
{
case XDG_TOPLEVEL_STATE_FULLSCREEN:
wlWm.fullscreen = true;
// fallthrough
case XDG_TOPLEVEL_STATE_MAXIMIZED:
case XDG_TOPLEVEL_STATE_TILED_LEFT:
case XDG_TOPLEVEL_STATE_TILED_RIGHT:
case XDG_TOPLEVEL_STATE_TILED_TOP:
case XDG_TOPLEVEL_STATE_TILED_BOTTOM:
wlWm.floating = false;
break;
default:
break;
}
}
}
static void xdgToplevelClose(void * data, struct xdg_toplevel * xdgToplevel)
{
app_handleCloseEvent();
}
static const struct xdg_toplevel_listener xdgToplevelListener = {
.configure = xdgToplevelConfigure,
.close = xdgToplevelClose,
};
bool waylandShellInit(const char * title, bool fullscreen, bool maximize, bool borderless, bool resizable)
{
if (!wlWm.xdgWmBase)
{
DEBUG_ERROR("Compositor missing xdg_wm_base, will not proceed");
return false;
}
xdg_wm_base_add_listener(wlWm.xdgWmBase, &xdgWmBaseListener, NULL);
wlWm.xdgSurface = xdg_wm_base_get_xdg_surface(wlWm.xdgWmBase, wlWm.surface);
xdg_surface_add_listener(wlWm.xdgSurface, &xdgSurfaceListener, NULL);
wlWm.xdgToplevel = xdg_surface_get_toplevel(wlWm.xdgSurface);
xdg_toplevel_add_listener(wlWm.xdgToplevel, &xdgToplevelListener, NULL);
xdg_toplevel_set_title(wlWm.xdgToplevel, title);
xdg_toplevel_set_app_id(wlWm.xdgToplevel, "looking-glass-client");
if (fullscreen)
xdg_toplevel_set_fullscreen(wlWm.xdgToplevel, NULL);
if (maximize)
xdg_toplevel_set_maximized(wlWm.xdgToplevel);
if (wlWm.xdgDecorationManager)
{
wlWm.xdgToplevelDecoration = zxdg_decoration_manager_v1_get_toplevel_decoration(
wlWm.xdgDecorationManager, wlWm.xdgToplevel);
if (wlWm.xdgToplevelDecoration)
{
zxdg_toplevel_decoration_v1_set_mode(wlWm.xdgToplevelDecoration,
borderless ?
ZXDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE :
ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
}
}
return true;
}
void waylandShellAckConfigureIfNeeded(void)
{
if (wlWm.resizeSerial)
{
xdg_surface_ack_configure(wlWm.xdgSurface, wlWm.resizeSerial);
wlWm.resizeSerial = 0;
}
}
void waylandSetFullscreen(bool fs)
{
if (fs)
xdg_toplevel_set_fullscreen(wlWm.xdgToplevel, NULL);
else
xdg_toplevel_unset_fullscreen(wlWm.xdgToplevel);
}
bool waylandGetFullscreen(void)
{
return wlWm.fullscreen;
}
void waylandMinimize(void)
{
xdg_toplevel_set_minimized(wlWm.xdgToplevel);
}
void waylandShellResize(int w, int h)
{
if (!wlWm.floating)
return;
wlWm.width = w;
wlWm.height = h;
xdg_surface_set_window_geometry(wlWm.xdgSurface, 0, 0, w, h);
wlWm.needsResize = true;
app_invalidateWindow(true);
waylandStopWaitFrame();
}