engine: client: restore window maximized state after engine restart

engine/client/ref_common.c

@@ -549,7 +549,7 @@ static void SetWidthAndHeightFromCommandLine( void )
 		return;
 	}
 
-	R_SaveVideoMode( width, height, width, height );
+	R_SaveVideoMode( width, height, width, height, false );
 }
 
 static void SetFullscreenModeFromCommandLine( void )

engine/client/vid_common.c

@@ -29,7 +29,8 @@ static CVAR_DEFINE_AUTO( vid_rotate, "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "sc
 static CVAR_DEFINE_AUTO( vid_scale, "1.0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "pixel scale" );
 
 CVAR_DEFINE_AUTO( vid_highdpi, "1",  FCVAR_RENDERINFO|FCVAR_VIDRESTART, "enable High-DPI mode" );
-CVAR_DEFINE( vid_fullscreen, "fullscreen", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "enable fullscreen mode" );
+CVAR_DEFINE_AUTO( vid_maximized, "0", FCVAR_RENDERINFO, "window maximized state, read-only" );
+CVAR_DEFINE( vid_fullscreen, "fullscreen", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "enable fullscren mode" );
 CVAR_DEFINE( window_xpos, "_window_xpos", "-1", FCVAR_RENDERINFO, "window position by horizontal" );
 CVAR_DEFINE( window_ypos, "_window_ypos", "-1", FCVAR_RENDERINFO, "window position by vertical" );
 
@@ -66,7 +67,7 @@ void VID_InitDefaultResolution( void )
 R_SaveVideoMode
 =================
 */
-void R_SaveVideoMode( int w, int h, int render_w, int render_h )
+void R_SaveVideoMode( int w, int h, int render_w, int render_h, qboolean maximized )
 {
 	if( !w || !h || !render_w || !render_h )
 	{
@@ -79,6 +80,7 @@ void R_SaveVideoMode( int w, int h, int render_w, int render_h )
 
 	Cvar_SetValue( "width", w );
 	Cvar_SetValue( "height", h );
+	Cvar_DirectSet( &vid_maximized, maximized ? "1" : "0" );
 	
 	// immediately drop changed state or we may trigger
 	// video subsystem to reapply settings
@@ -221,6 +223,7 @@ void VID_Init( void )
 	Cvar_RegisterVariable( &vid_rotate );
 	Cvar_RegisterVariable( &vid_scale );
 	Cvar_RegisterVariable( &vid_fullscreen );
+	Cvar_RegisterVariable( &vid_maximized );
 	Cvar_RegisterVariable( &vid_brightness );
 	Cvar_RegisterVariable( &vid_gamma );
 	Cvar_RegisterVariable( &window_xpos );

engine/client/vid_common.h

@@ -31,12 +31,13 @@ extern glwstate_t glw_state;
 #define VID_MIN_WIDTH 320
 
 extern convar_t	vid_fullscreen;
+extern convar_t vid_maximized;
 extern convar_t	vid_highdpi;
 extern convar_t window_xpos;
 extern convar_t window_ypos;
 extern convar_t	gl_msaa_samples;
 
-void R_SaveVideoMode( int w, int h, int render_w, int render_h );
+void R_SaveVideoMode( int w, int h, int render_w, int render_h, qboolean maximized );
 void VID_SetDisplayTransform( int *render_w, int *render_h );
 void VID_CheckChanges( void );
 const char *VID_GetModeString( int vid_mode );

engine/platform/sdl/events.c

@@ -631,15 +631,19 @@ static void SDLash_EventFilter( SDL_Event *event )
 
 				Q_snprintf( val, sizeof( val ), "%d", event->window.data2 );
 				Cvar_DirectSet( &window_ypos, val );
+
+				Cvar_DirectSet( &vid_maximized, "0" );
 			}
 			break;
 		case SDL_WINDOWEVENT_MINIMIZED:
 			host.status = HOST_SLEEP;
+			Cvar_DirectSet( &vid_maximized, "0" );
 			VID_RestoreScreenResolution( );
 			break;
 		case SDL_WINDOWEVENT_RESTORED:
 			host.status = HOST_FRAME;
 			host.force_draw_version_time = host.realtime + FORCE_DRAW_VERSION_TIME;
+			Cvar_DirectSet( &vid_maximized, "0" );
 			if( vid_fullscreen.value )
 				VID_SetMode();
 			break;
@@ -651,12 +655,18 @@ static void SDLash_EventFilter( SDL_Event *event )
 			break;
 		case SDL_WINDOWEVENT_RESIZED:
 		{
+			SDL_Window *wnd = SDL_GetWindowFromID( event->window.windowID );
+
 			if( vid_fullscreen.value )
 				break;
 
-			VID_SaveWindowSize( event->window.data1, event->window.data2 );
+			VID_SaveWindowSize( event->window.data1, event->window.data2,
+				FBitSet( SDL_GetWindowFlags( wnd ), SDL_WINDOW_MAXIMIZED ) != 0 );
 			break;
 		}
+		case SDL_WINDOWEVENT_MAXIMIZED:
+			Cvar_DirectSet( &vid_maximized, "1" );
+			break;
 		default:
 			break;
 		}

engine/platform/sdl/events.h

@@ -26,7 +26,7 @@ qboolean  VID_CreateWindow( int width, int height, qboolean fullscreen );
 void      VID_DestroyWindow( void );
 void GL_InitExtensions( void );
 qboolean GL_DeleteContext( void );
-void VID_SaveWindowSize( int width, int height );
+void VID_SaveWindowSize( int width, int height, qboolean maximized );
 
 // joystick events
 extern SDL_Joystick *g_joy;

engine/platform/sdl/vid_sdl.c

@@ -520,7 +520,7 @@ static qboolean GL_UpdateContext( void )
 	return true;
 }
 
-void VID_SaveWindowSize( int width, int height )
+void VID_SaveWindowSize( int width, int height, qboolean maximized )
 {
 	int render_w = width, render_h = height;
 
@@ -532,7 +532,7 @@ void VID_SaveWindowSize( int width, int height )
 #endif
 
 	VID_SetDisplayTransform( &render_w, &render_h );
-	R_SaveVideoMode( width, height, render_w, render_h );
+	R_SaveVideoMode( width, height, render_w, render_h, maximized );
 }
 
 static qboolean VID_SetScreenResolution( int width, int height )
@@ -568,9 +568,9 @@ static qboolean VID_SetScreenResolution( int width, int height )
 	//SDL_SetWindowPosition( host.hWnd, 0, 0 );
 	SDL_SetWindowSize( host.hWnd, got.w, got.h );
 
-	VID_SaveWindowSize( got.w, got.h );
+	VID_SaveWindowSize( got.w, got.h, true );
 #else
-	VID_SaveWindowSize( width, height );
+	VID_SaveWindowSize( width, height, true );
 #endif
 	return true;
 }
@@ -622,6 +622,7 @@ qboolean VID_CreateWindow( int width, int height, qboolean fullscreen )
 	char iconpath[MAX_STRING];
 	int xpos, ypos;
 	const char *localIcoPath;
+	qboolean maximized = vid_maximized.value != 0.0f;
 
 	if( vid_highdpi.value ) wndFlags |= SDL_WINDOW_ALLOW_HIGHDPI;
 	Q_strncpy( wndname, GI->title, sizeof( wndname ));
@@ -634,6 +635,8 @@ qboolean VID_CreateWindow( int width, int height, qboolean fullscreen )
 		SDL_Rect r;
 
 		wndFlags |= SDL_WINDOW_RESIZABLE;
+		if( maximized )
+			wndFlags |= SDL_WINDOW_MAXIMIZED;
 
 #if SDL_VERSION_ATLEAST( 2, 0, 5 )
 		if( SDL_GetDisplayUsableBounds( 0, &r ) < 0 &&
@@ -691,9 +694,11 @@ qboolean VID_CreateWindow( int width, int height, qboolean fullscreen )
 
 	// window creation has failed...
 	if( glw_state.safe >= SAFE_LAST )
-	{
 		return false;
-	}
+
+	// update window size if it was maximized, just in case
+	if( FBitSet( SDL_GetWindowFlags( host.hWnd ), SDL_WINDOW_MAXIMIZED ) != 0 )
+		SDL_GetWindowSize( host.hWnd, &width, &height );
 
 #if !XASH_MOBILE_PLATFORM
 	if( fullscreen )
@@ -840,7 +845,7 @@ qboolean VID_CreateWindow( int width, int height, qboolean fullscreen )
 
 #endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
 
-	VID_SaveWindowSize( width, height );
+	VID_SaveWindowSize( width, height, maximized );
 
 	return true;
 }
@@ -1094,7 +1099,7 @@ rserr_t R_ChangeDisplaySettings( int width, int height, qboolean fullscreen )
 		SDL_SetWindowSize( host.hWnd, width, height );
 
 #endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
-		VID_SaveWindowSize( width, height );
+		VID_SaveWindowSize( width, height, true );
 	}
 
 	return rserr_ok;
@@ -1172,6 +1177,7 @@ qboolean VID_SetMode( void )
 			return false;
 		}
 	}
+
 	return true;
 }