Lagrange [work/v1.7]

Added build options for popup/macOS menus

=> c113930a66efb7a2a8a1bab62e110dafb5b21209

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b229442..d98cc700 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,15 +45,17 @@ option (ENABLE_HARFBUZZ_MINIMAL "Build the HarfBuzz library with minimal depende
 option (ENABLE_IDLE_SLEEP       "While idle, sleep in the main thread instead of waiting for events" ON)
 option (ENABLE_IPC              "Use IPC to communicate between running instances" ON)
 option (ENABLE_KERNING          "Enable kerning in font renderer (slower)" ON)
+option (ENABLE_MAC_MENUS        "Use native context menus (macOS)" ON)
 option (ENABLE_MOBILE_PHONE     "Use the phone mobile UI design instead of desktop UI" OFF)
 option (ENABLE_MOBILE_TABLET    "Use the tablet mobile UI design instead of desktop UI" OFF)
 option (ENABLE_MPG123           "Use mpg123 for decoding MPEG audio" ON)
+option (ENABLE_POPUP_MENUS      "Use popup windows for context menus (if OFF, menus are confined inside main window)" ON)
 option (ENABLE_RELATIVE_EMBED   "Resources should always be found via relative path" OFF)
 option (ENABLE_RESIZE_DRAW      "Force window to redraw during resizing" ${DEFAULT_RESIZE_DRAW})
 option (ENABLE_RESOURCE_EMBED   "Embed resources inside the executable" OFF)
 option (ENABLE_WEBP             "Use libwebp to decode .webp images (via pkg-config)" ON)
 option (ENABLE_WINDOWPOS_FIX    "Set position after showing window (workaround for SDL bug)" OFF)
-option (ENABLE_X11_SWRENDER     "Use software rendering under X11" OFF)
+option (ENABLE_X11_SWRENDER     "Use software rendering (X11)" OFF)
 
 include (BuildType.cmake)
 include (res/Embed.cmake)
@@ -328,10 +330,16 @@ endif ()
 if (ENABLE_KERNING)
     target_compile_definitions (app PUBLIC LAGRANGE_ENABLE_KERNING=1)
 endif ()
+if (ENABLE_MAC_MENUS)
+    target_compile_definitions (app PUBLIC LAGRANGE_ENABLE_MAC_MENUS=1)
+endif ()
 if (ENABLE_MPG123 AND MPG123_FOUND)
     target_compile_definitions (app PUBLIC LAGRANGE_ENABLE_MPG123=1)
     target_link_libraries (app PUBLIC PkgConfig::MPG123)
 endif ()
+if (ENABLE_POPUP_MENUS)
+    target_compile_definitions (app PUBLIC LAGRANGE_ENABLE_POPUP_MENUS=1)
+endif ()
 if (ENABLE_RESIZE_DRAW)
     target_compile_definitions (app PUBLIC LAGRANGE_ENABLE_RESIZE_DRAW=1)
 endif ()
diff --git a/src/defs.h b/src/defs.h
index 8b47790a..01bf2b3d 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -166,7 +166,9 @@ iLocalDef int acceptKeyMod_ReturnKeyBehavior(int behavior) {
 
 #if defined (iPlatformAppleDesktop)
 #   define iHaveNativeMenus /* main menu */
-#   define iHaveNativeContextMenus
+#   if defined (LAGRANGE_ENABLE_MAC_MENUS)
+#       define iHaveNativeContextMenus
+#   endif
 #endif
 
 /* UI labels that depend on the platform */
diff --git a/src/ui/util.c b/src/ui/util.c
index c75d7698..2b6ff929 100644
--- a/src/ui/util.c
+++ b/src/ui/util.c
@@ -975,7 +975,11 @@ void unselectAllNativeMenuItems_Widget(iWidget *menu) {
 }
 
 iLocalDef iBool isUsingMenuPopupWindows_(void) {
+#if defined (LAGRANGE_ENABLE_POPUP_MENUS)
     return deviceType_App() == desktop_AppDeviceType;
+#else
+    return iFalse;
+#endif
 }
 
 void releaseNativeMenu_Widget(iWidget *d) {
@@ -1019,7 +1023,7 @@ void openMenuFlags_Widget(iWidget *d, iInt2 windowCoord, iBool postCommands) {
         removeChild_Widget(parent_Widget(d), d); /* we'll borrow the widget for a while */
         const float pixelRatio = get_Window()->pixelRatio;
         iInt2 menuPos = add_I2(get_MainWindow()->place.normalRect.pos,
-                               divf_I2(windowCoord, pixelRatio));
+                               divf_I2(sub_I2(windowCoord, divi_I2(gap2_UI, 2)), pixelRatio));
         arrange_Widget(d);
         /* Check display bounds. */ {
             const iInt2 menuSize = divf_I2(d->rect.size, pixelRatio);
diff --git a/src/ui/window.c b/src/ui/window.c
index 3f8faaea..8197afd4 100644
--- a/src/ui/window.c
+++ b/src/ui/window.c
@@ -913,7 +913,7 @@ iBool processEvent_Window(iWindow *d, const SDL_Event *ev) {
         }
         default: {
             SDL_Event event = *ev;
-            if (event.type == SDL_USEREVENT && isCommand_UserEvent(ev, "window.unfreeze")) {
+            if (event.type == SDL_USEREVENT && isCommand_UserEvent(ev, "window.unfreeze") && mw) {
                 mw->isDrawFrozen = iFalse;
                 if (SDL_GetWindowFlags(d->win) & SDL_WINDOW_HIDDEN) {
                     SDL_ShowWindow(d->win);