Focus event

window_windows.odin

@@ -1,3 +1,4 @@
+#+private
 package window
 
 import "core:container/queue"
@@ -36,6 +37,13 @@ Backend_Info :: struct {
     event_queue := get_event_queue(hwnd)
     switch(msg) {
         case win.WM_CREATE: return wm_create(hwnd, lparam)
+        case win.WM_SETFOCUS, win.WM_KILLFOCUS: {
+            if event_queue != nil {
+                queue.push_back(event_queue, Event_Focus {
+                    is_focused = msg == win.WM_SETFOCUS
+                })
+            }
+        }
         case win.WM_KEYDOWN, win.WM_SYSKEYDOWN: {
             input_event: Event_Input = Event_Keyboard {
                 virtual_key = get_virtual_key_windows(i32(wparam)),
@@ -129,7 +137,7 @@ Backend_Info :: struct {
     }
 
     return 0
-    }
+}
 
 WINDOW_CLASS_NAME :: "ENSENN_WINDOW"
 
@@ -192,6 +200,48 @@ set_title_windows :: proc(window: ^Window) {
     win.SetWindowTextW(window.backend.hwnd, win.utf8_to_wstring(window.title))
 }
 
+show_cursor_window :: proc(window: ^Window, show: bool) {
+    assert(window != nil)
+    
+    if show == cursor_visible_windows(window) {
+        if show {
+            fmt.printfln("Tried to show cursor but it's already visible.")
+        }
+        else {
+            fmt.printfln("Tried to hide cursor but it's already not visible.")
+        }
+        return
+    }
+    
+    for { // Win32 :)))
+        counter := win.ShowCursor(show ? win.TRUE : win.FALSE)
+        if (show && counter >= 0) || (!show && counter < 0) {
+            break
+        }
+    }
+
+    win.ShowCursor(show ? win.TRUE : win.FALSE)
+}
+
+cursor_visible_windows :: proc(window: ^Window) -> bool {
+    old_count := win.ShowCursor(win.TRUE)
+    win.ShowCursor(win.FALSE)
+    return old_count >= 0
+}
+
+set_cursor_position_windows :: proc(window: ^Window, pos: [2]u32) {
+    pt := win.POINT { x = i32(pos.x), y = i32(pos.y) }
+    rect: win.RECT
+    win.GetClientRect(window.backend.hwnd, &rect)
+
+    ok := win.ClientToScreen(window.backend.hwnd, &pt)
+    if !ok {
+        return
+    }
+
+    win.SetCursorPos(pt.x, pt.y)
+}
+
 update_windows :: proc(window: ^Window) {
     assert(window != nil)