App-level changes to support correct redrawing while resizing on

Windows.

src/musikcube/cursespp/App.cpp

@@ -115,6 +115,7 @@ static bool isLangUtf8() {
 #ifdef WIN32
 static void pdcWinguiResizeCallback() {
     App::Instance().NotifyResized();
+    App::Instance().Layout();
 }
 #endif
 
@@ -612,22 +613,7 @@ process:
             this->NotifyResized();
         }
 
-        this->CheckShowOverlay();
+        this->Layout();
-        this->EnsureFocusIsValid();
-
-        /* we want to dispatch messages here, before we call WriteToScreen(),
-        because dispatched messages may trigger UI updates, including layouts,
-        which may lead panels to get destroyed and recreated, which can
-        cause the screen to redraw outside of do_update() calls. so we dispatch
-        messages, ensure our overlay is on top, then do a redraw. */
-        Window::MessageQueue().Dispatch();
-
-        if (this->state.overlayWindow) {
-            this->state.overlay->BringToTop(); /* active overlay is always on top... */
-        }
-
-        /* always last to avoid flicker. see above. */
-        Window::WriteToScreen(this->state.input);
     }
 
     overlays.Clear();
@@ -643,6 +629,25 @@ void App::NotifyResized() {
     this->OnResized();
 }
 
+void App::Layout() {
+    this->CheckShowOverlay();
+    this->EnsureFocusIsValid();
+
+    /* we want to dispatch messages here, before we call WriteToScreen(),
+    because dispatched messages may trigger UI updates, including layouts,
+    which may lead panels to get destroyed and recreated, which can
+    cause the screen to redraw outside of do_update() calls. so we dispatch
+    messages, ensure our overlay is on top, then do a redraw. */
+    Window::MessageQueue().Dispatch();
+
+    if (this->state.overlayWindow) {
+        this->state.overlay->BringToTop(); /* active overlay is always on top... */
+    }
+
+    /* always last to avoid flicker. see above. */
+    Window::WriteToScreen(this->state.input);
+}
+
 void App::UpdateFocusedWindow(IWindowPtr window) {
     if (this->state.focused != window) {
         this->state.focused = window;

src/musikcube/cursespp/Window.cpp

@@ -105,6 +105,7 @@ static inline void DrawCursor(IInput* input) {
                 const int targetY = 0;
                 const int targetX = (int) input->Position();
                 wmove(content, targetY, targetX);
+                wnoutrefresh(content);
             }
             return;
         }
@@ -131,8 +132,8 @@ bool Window::WriteToScreen(IInput* input) {
     if (drawPending && !freeze) {
         drawPending = false;
         update_panels();
-        doupdate();
         DrawCursor(input);
+        doupdate();
         return true;
     }
     else if (freeze) {

src/musikcube/cursespp/cursespp/App.h

@@ -70,6 +70,7 @@ namespace cursespp {
             void Minimize();
             void Restore();
             void NotifyResized();
+            void Layout();
 
 #ifdef WIN32
             static bool Running(const std::string& uniqueId, const std::string& title);