[client] wayland: implement resizing for libdecor

AUTHORS

@@ -53,3 +53,4 @@ orcephrye <drakethebanditi@yahoo.com> (orcephrye)
 thejavascriptman <thejavascriptman@outlook.com> (thejavascriptman)
 vroad <396351+vroad@users.noreply.github.com> (vroad)
 williamvds <w.vigolodasilva@gmail.com> (williamvds)
+SytheZN <sythe.zn@gmail.com> (SytheZN)

client/displayservers/Wayland/shell_libdecor.c

@@ -51,29 +51,32 @@ static void libdecorHandleError(struct libdecor * context, enum libdecor_error e
 static void libdecorFrameConfigure(struct libdecor_frame * frame,
     struct libdecor_configuration * configuration, void * opaque)
 {
+  if (!wlWm.configured)
+  {
+    xdg_surface_ack_configure(libdecor_frame_get_xdg_surface(frame), configuration->serial);
+    wlWm.configured = true;
+    return;
+  }
+
   int width, height;
-  if (libdecor_configuration_get_content_size(configuration, frame, &width, &height)) {
+  if (libdecor_configuration_get_content_size(configuration, frame, &width, &height))
+  {
     wlWm.width = width;
     wlWm.height = height;
+
+    struct libdecor_state * state = libdecor_state_new(wlWm.width, wlWm.height);
+    libdecor_frame_commit(wlWm.libdecorFrame, state, NULL);
+    libdecor_state_free(state);
   }
 
   enum libdecor_window_state windowState;
   if (libdecor_configuration_get_window_state(configuration, &windowState))
     wlWm.fullscreen = windowState & LIBDECOR_WINDOW_STATE_FULLSCREEN;
 
-  struct libdecor_state * state = libdecor_state_new(wlWm.width, wlWm.height);
+  wlWm.needsResize = true;
-  libdecor_frame_commit(frame, state, wlWm.configured ? NULL : configuration);
+  wlWm.resizeSerial = configuration->serial;
-  libdecor_state_free(state);
+  app_invalidateWindow(true);
-
+  waylandStopWaitFrame();
-  if (wlWm.configured)
-  {
-    wlWm.needsResize = true;
-    wlWm.resizeSerial = configuration->serial;
-    app_invalidateWindow(true);
-    waylandStopWaitFrame();
-  }
-  else
-    wlWm.configured = true;
 }
 
 static void libdecorFrameClose(struct libdecor_frame * frame, void * opaque)
@@ -103,7 +106,7 @@ static void libdecorCallback(uint32_t events, void * opaque)
   libdecor_dispatch(wlWm.libdecor, 0);
 }
 
-bool waylandShellInit(const char * title, bool fullscreen, bool maximize, bool borderless)
+bool waylandShellInit(const char * title, bool fullscreen, bool maximize, bool borderless, bool resizable)
 {
   wlWm.libdecor = libdecor_new(wlWm.display, &libdecorListener);
   wlWm.libdecorFrame = libdecor_decorate(wlWm.libdecor, wlWm.surface, &libdecorFrameListener, NULL);
@@ -112,6 +115,11 @@ bool waylandShellInit(const char * title, bool fullscreen, bool maximize, bool b
   libdecor_frame_set_title(wlWm.libdecorFrame, title);
   libdecor_frame_map(wlWm.libdecorFrame);
 
+  if (resizable)
+    libdecor_frame_set_capabilities(wlWm.libdecorFrame, LIBDECOR_ACTION_RESIZE);
+  else
+    libdecor_frame_unset_capabilities(wlWm.libdecorFrame, LIBDECOR_ACTION_RESIZE);
+
   while (!wlWm.configured)
     libdecor_dispatch(wlWm.libdecor, 0);
 
@@ -138,6 +146,8 @@ void waylandSetFullscreen(bool fs)
     libdecor_frame_set_fullscreen(wlWm.libdecorFrame, NULL);
   else
     libdecor_frame_unset_fullscreen(wlWm.libdecorFrame);
+
+  libdecor_frame_set_visibility(wlWm.libdecorFrame, !fs);
 }
 
 bool waylandGetFullscreen(void)
@@ -149,3 +159,20 @@ void waylandMinimize(void)
 {
   libdecor_frame_set_minimized(wlWm.libdecorFrame);
 }
+
+void waylandShellResize(int w, int h)
+{
+  if (!libdecor_frame_is_floating(wlWm.libdecorFrame))
+    return;
+
+  wlWm.width = w;
+  wlWm.height = h;
+
+  struct libdecor_state * state = libdecor_state_new(w, h);
+  libdecor_frame_commit(wlWm.libdecorFrame, state, NULL);
+  libdecor_state_free(state);
+
+  wlWm.needsResize = true;
+  app_invalidateWindow(true);
+  waylandStopWaitFrame();
+}

client/displayservers/Wayland/shell_xdg.c

@@ -87,7 +87,7 @@ static const struct xdg_toplevel_listener xdgToplevelListener = {
   .close     = xdgToplevelClose,
 };
 
-bool waylandShellInit(const char * title, bool fullscreen, bool maximize, bool borderless)
+bool waylandShellInit(const char * title, bool fullscreen, bool maximize, bool borderless, bool resizable)
 {
   if (!wlWm.xdgWmBase)
   {
@@ -153,3 +153,8 @@ void waylandMinimize(void)
 {
   xdg_toplevel_set_minimized(wlWm.xdgToplevel);
 }
+
+void waylandShellResize(int w, int h)
+{
+  //TODO: Implement resize for XDG.
+}

client/displayservers/Wayland/wayland.c

@@ -98,7 +98,7 @@ static bool waylandInit(const LG_DSInitParams params)
   if (!waylandInputInit())
     return false;
 
-  if (!waylandWindowInit(params.title, params.fullscreen, params.maximize, params.borderless))
+  if (!waylandWindowInit(params.title, params.fullscreen, params.maximize, params.borderless, params.resizable))
     return false;
 
   if (!waylandEGLInit(params.w, params.h))

client/displayservers/Wayland/wayland.h

@@ -306,14 +306,15 @@ bool waylandRegistryInit(void);
 void waylandRegistryFree(void);
 
 // shell module
-bool waylandShellInit(const char * title, bool fullscreen, bool maximize, bool borderless);
+bool waylandShellInit(const char * title, bool fullscreen, bool maximize, bool borderless, bool resizable);
 void waylandShellAckConfigureIfNeeded(void);
 void waylandSetFullscreen(bool fs);
 bool waylandGetFullscreen(void);
 void waylandMinimize(void);
+void waylandShellResize(int w, int h);
 
 // window module
-bool waylandWindowInit(const char * title, bool fullscreen, bool maximize, bool borderless);
+bool waylandWindowInit(const char * title, bool fullscreen, bool maximize, bool borderless, bool resizable);
 void waylandWindowFree(void);
 void waylandWindowUpdateScale(void);
 void waylandSetWindowSize(int x, int y);

client/displayservers/Wayland/window.c

@@ -79,7 +79,7 @@ static const struct wl_surface_listener wlSurfaceListener = {
   .leave = wlSurfaceLeaveHandler,
 };
 
-bool waylandWindowInit(const char * title, bool fullscreen, bool maximize, bool borderless)
+bool waylandWindowInit(const char * title, bool fullscreen, bool maximize, bool borderless, bool resizable)
 {
   wlWm.scale = wl_fixed_from_int(1);
 
@@ -106,7 +106,7 @@ bool waylandWindowInit(const char * title, bool fullscreen, bool maximize, bool
 
   wl_surface_add_listener(wlWm.surface, &wlSurfaceListener, NULL);
 
-  if (!waylandShellInit(title, fullscreen, maximize, borderless))
+  if (!waylandShellInit(title, fullscreen, maximize, borderless, resizable))
     return false;
 
   wl_surface_commit(wlWm.surface);
@@ -121,7 +121,7 @@ void waylandWindowFree(void)
 
 void waylandSetWindowSize(int x, int y)
 {
-  // FIXME: implement.
+    waylandShellResize(x, y);
 }
 
 bool waylandIsValidPointerPos(int x, int y)