Merge pull request #1828 from arturo-lang/add-support-for-window-menus

Add (better) support for window menus

src/extras/menus.nim

@@ -0,0 +1,83 @@
+#=======================================================
+# Windows management
+# and utilities
+#
+# (c) 2024 Yanis Zafirópulos
+# 
+# @license: see LICENSE file
+# @file: extras/windows.nim
+#=======================================================
+
+#=======================================
+# Libraries
+#=======================================
+
+import os
+
+import extras/window
+
+#=======================================
+# Compilation & Linking
+#=======================================
+
+{.passC: "-I" & parentDir(currentSourcePath()) .}
+
+when defined(linux):
+    {.compile("menus/menus.cc", staticExec"pkg-config --cflags gtk+-3.0 webkit2gtk-4.0").}
+    {.passC: staticExec"pkg-config --cflags gtk+-3.0 webkit2gtk-4.0".}
+    {.passL: staticExec"pkg-config --libs gtk+-3.0 webkit2gtk-4.0".}
+elif defined(freebsd) or defined(netbsd) or defined(openbsd):
+    {.compile("menus/menus.cc", staticExec"pkg-config --cflags gtk3 webkit2-gtk3").}
+    {.passC: staticExec"pkg-config --cflags gtk3 webkit2-gtk3".}
+    {.passL: staticExec"pkg-config --libs gtk3 webkit2-gtk3".}
+elif defined(macosx):
+    {.compile("menus/menus.cc", "-framework Foundation -framework AppKit -x objective-c++").}
+    {.passL: "-framework AppKit".}
+elif defined(windows):
+    {.compile("menus/menus.cc", "-std=c++17").}
+    {.passL: """-std=c++17 -lgdiplus -lshlwapi""".} # version.lib shell32.lib gdiplus.lib
+
+#=======================================
+# Types
+#=======================================
+
+type
+    MenuActionCallback* = proc(userData: pointer) {.cdecl.}
+
+    MenuItemObj* {.importc: "struct MenuItemObj", bycopy.} = object
+        label*: cstring
+        shortcut*: cstring
+        enabled*: bool
+        checked*: bool
+        action*: MenuActionCallback
+        userData*: pointer
+        submenu*: MenuObj
+
+    MenuObj* {.importc: "struct MenuObj", bycopy.} = object
+        title*: cstring
+        items*: ptr MenuItemObj
+        itemCount*: csize_t
+
+#=======================================
+# Function prototypes
+#=======================================
+
+{.push header: "menus/menus.h", cdecl.}
+
+# MenuObj management functions
+proc create_menu*(title: cstring): ptr MenuObj {.importc.}
+proc free_menu*(menu: ptr MenuObj) {.importc.}
+
+proc add_menu_item*(menu: ptr MenuObj, label: cstring, action: MenuActionCallback): ptr MenuItemObj {.importc.}
+proc add_menu_separator*(menu: ptr MenuObj): ptr MenuItemObj {.importc.}
+proc add_submenu*(menu: ptr MenuObj, label: cstring, submenu: ptr MenuObj): ptr MenuItemObj {.importc.}
+
+proc set_menu_item_enabled*(item: ptr MenuItemObj, enabled: bool) {.importc.}
+proc set_menu_item_checked*(item: ptr MenuItemObj, checked: bool) {.importc.}
+proc set_menu_item_shortcut*(item: ptr MenuItemObj, shortcut: cstring) {.importc.}
+
+# Window menu bar functions
+proc set_window_menu*(window: Window, menus: ptr ptr MenuObj, menuCount: csize_t) {.importc.}
+proc remove_window_menu*(window: Window) {.importc.}
+
+{.pop.}