From 43d575616cc942943f3f41c2673de158127daef6 Mon Sep 17 00:00:00 2001
From: Rostislav Pehlivanov <atomnuker@gmail.com>
Date: Tue, 15 May 2018 20:20:16 +0100
Subject: wayland_common: fix maximized state

Window size should not change if the window has been maximized or tiled.
---
 video/out/wayland_common.c | 34 +++++++++++++++++++++-------------
 video/out/wayland_common.h |  1 +
 2 files changed, 22 insertions(+), 13 deletions(-)

diff --git a/video/out/wayland_common.c b/video/out/wayland_common.c
index 25ba9f0fd1..e0adeea1b7 100644
--- a/video/out/wayland_common.c
+++ b/video/out/wayland_common.c
@@ -179,7 +179,7 @@ static const struct wl_pointer_listener pointer_listener = {
 static int check_for_resize(struct vo_wayland_state *wl, wl_fixed_t x_w, wl_fixed_t y_w,
                             enum xdg_toplevel_resize_edge *edge)
 {
-    if (wl->touch_entries || wl->fullscreen)
+    if (wl->touch_entries || wl->fullscreen || wl->maximized)
         return 0;
 
     const int edge_pixels = 64;
@@ -806,7 +806,8 @@ static void registry_handle_add(void *data, struct wl_registry *reg, uint32_t id
     }
 
     if (!strcmp(interface, xdg_wm_base_interface.name) && found++) {
-        wl->shell = wl_registry_bind(reg, id, &xdg_wm_base_interface, 1);
+        ver = MPMIN(ver, 2); /* We can use either 1 or 2 */
+        wl->shell = wl_registry_bind(reg, id, &xdg_wm_base_interface, ver);
         xdg_wm_base_add_listener(wl->shell, &xdg_shell_listener, wl);
     }
 
@@ -883,7 +884,7 @@ static void handle_toplevel_config(void *data, struct xdg_toplevel *toplevel,
     struct mp_rect old_geometry = wl->geometry;
 
     int prev_fs_state = wl->fullscreen;
-    bool maximized = false;
+    wl->maximized = false;
     wl->fullscreen = false;
     enum xdg_toplevel_state *state;
     wl_array_for_each(state, states) {
@@ -894,11 +895,15 @@ static void handle_toplevel_config(void *data, struct xdg_toplevel *toplevel,
         case XDG_TOPLEVEL_STATE_RESIZING:
             wl->pending_vo_events |= VO_EVENT_LIVE_RESIZING;
             break;
-        case XDG_TOPLEVEL_STATE_MAXIMIZED:
-            maximized = true;
-            break;
         case XDG_TOPLEVEL_STATE_ACTIVATED:
             break;
+        case XDG_TOPLEVEL_STATE_TILED_TOP:
+        case XDG_TOPLEVEL_STATE_TILED_LEFT:
+        case XDG_TOPLEVEL_STATE_TILED_RIGHT:
+        case XDG_TOPLEVEL_STATE_TILED_BOTTOM:
+        case XDG_TOPLEVEL_STATE_MAXIMIZED:
+            wl->maximized = true;
+            break;
         }
     }
 
@@ -910,7 +915,7 @@ static void handle_toplevel_config(void *data, struct xdg_toplevel *toplevel,
     if (width > 0 && height > 0) {
         if (!wl->fullscreen) {
             if (wl->vo->opts->keepaspect && wl->vo->opts->keepaspect_window &&
-                !maximized) {
+                !wl->maximized) {
                 if (width > height)
                     width  = height * wl->aspect_ratio;
                 else
@@ -1153,11 +1158,14 @@ int vo_wayland_reconfig(struct vo *vo)
     vo_calc_window_geometry(vo, &screenrc, &geo);
     vo_apply_window_geometry(vo, &geo);
 
-    wl->geometry.x0  = 0;
-    wl->geometry.y0  = 0;
-    wl->geometry.x1  = vo->dwidth / wl->scaling;
-    wl->geometry.y1  = vo->dheight / wl->scaling;
-    wl->window_size  = wl->geometry;
+    if (!wl->configured || !wl->maximized) {
+        wl->geometry.x0 = 0;
+        wl->geometry.y0 = 0;
+        wl->geometry.x1 = vo->dwidth  / wl->scaling;
+        wl->geometry.y1 = vo->dheight / wl->scaling;
+        wl->window_size = wl->geometry;
+    }
+
     wl->aspect_ratio = vo->dwidth / (float)vo->dheight;
 
     if (vo->opts->fullscreen) {
@@ -1319,7 +1327,7 @@ int vo_wayland_control(struct vo *vo, int *events, int request, void *arg)
     }
     case VOCTRL_SET_UNFS_WINDOW_SIZE: {
         int *s = arg;
-        if (!wl->fullscreen) {
+        if (!wl->fullscreen && !wl->maximized) {
             wl->geometry.x0 = 0;
             wl->geometry.y0 = 0;
             wl->geometry.x1 = s[0]/wl->scaling;
diff --git a/video/out/wayland_common.h b/video/out/wayland_common.h
index f96226dbc2..9aa057fa57 100644
--- a/video/out/wayland_common.h
+++ b/video/out/wayland_common.h
@@ -54,6 +54,7 @@ struct vo_wayland_state {
     struct mp_rect window_size;
     float aspect_ratio;
     bool fullscreen;
+    bool maximized;
     bool configured;
     int wakeup_pipe[2];
     int pending_vo_events;
-- 
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