add getBounds to win_sys.h [ci skip]

window/win_sys.h

@@ -0,0 +1,88 @@
+// #include "../base/os.h"
+
+struct _Bounds{
+	int32		X;				// Top left X coordinate
+	int32		Y;				// Top left Y coordinate
+	int32		W;				// Total bounds width
+	int32		H;				// Total bounds height
+};
+
+typedef struct _Bounds Bounds;
+
+Bounds get_bounds(uintptr pid, uintptr isHwnd){
+	// Check if the window is valid
+	Bounds bounds;
+	if (!IsValid()) { return bounds; }
+
+    #if defined(IS_MACOSX)
+
+        // Bounds bounds;
+        AXValueRef axp = NULL;
+        AXValueRef axs = NULL;
+        AXUIElementRef AxID = AXUIElementCreateApplication(pid);
+
+        // Determine the current point of the window
+        if (AXUIElementCopyAttributeValue(AxID, 
+            kAXPositionAttribute, (CFTypeRef*) &axp)
+            != kAXErrorSuccess || axp == NULL){
+            goto exit;
+        }
+
+        // Determine the current size of the window
+        if (AXUIElementCopyAttributeValue(AxID, 
+            kAXSizeAttribute, (CFTypeRef*) &axs)
+            != kAXErrorSuccess || axs == NULL){
+            goto exit;
+        }
+
+        CGPoint p; CGSize s;
+        // Attempt to convert both values into atomic types
+        if (AXValueGetValue(axp, kAXValueCGPointType, &p) &&
+            AXValueGetValue(axs, kAXValueCGSizeType,  &s)){
+            bounds.X = p.x;
+            bounds.Y = p.y;
+            bounds.W = s.width;
+            bounds.H = s.height;
+        }
+        
+    exit:
+        if (axp != NULL) { CFRelease(axp); }
+        if (axs != NULL) { CFRelease(axs); }
+
+        return bounds;
+
+    #elif defined(USE_X11)
+
+        // Ignore X errors
+        XDismissErrors();
+
+        Bounds client = GetClient();
+        Bounds frame = GetFrame((Window)pid);
+
+        bounds.X = client.X - frame.X;
+        bounds.Y = client.Y - frame.Y;
+        bounds.W = client.W + frame.W;
+        bounds.H = client.H + frame.H;
+
+        return bounds;
+
+    #elif defined(IS_WINDOWS)
+        HWND hwnd;
+        if (isHwnd == 0) {
+            hwnd= GetHwndByPId(pid);
+        } else {
+            hwnd = (HWND)pid;
+        }
+
+        RECT rect = { 0 };
+        GetWindowRect(hwnd, &rect);
+
+        bounds.X = rect.left;
+        bounds.Y = rect.top;
+        bounds.W = rect.right - rect.left;
+        bounds.H = rect.bottom - rect.top;
+
+        return bounds;
+
+    #endif
+}