From 79c8048f83c6bbc15651086edbaff7bd7dbb776d Mon Sep 17 00:00:00 2001
From: VincentWei <vincent@minigui.org>
Date: Fri, 2 Feb 2018 15:30:26 +0800
Subject: [PATCH] use gal_pixel instead of int for
 GetWindowBkColor/SetWindowBkColor

---
 include/window.h | 13 +++++++++----
 src/gui/window.c |  6 +++---
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/include/window.h b/include/window.h
index 774c14f1..e143c69f 100644
--- a/include/window.h
+++ b/include/window.h
@@ -5369,7 +5369,7 @@ MG_EXPORT BOOL GUIAPI IsWindowEnabled (HWND hWnd);
 MG_EXPORT BOOL GUIAPI GetClientRect(HWND hWnd, PRECT prc);
 
 /**
- * \fn int GUIAPI GetWindowBkColor (HWND hWnd)
+ * \fn gal_pixel GUIAPI GetWindowBkColor (HWND hWnd)
  * \brief Returns the current background color of a window.
  *
  * This function returns the pixel value of the current background color of 
@@ -5379,12 +5379,14 @@ MG_EXPORT BOOL GUIAPI GetClientRect(HWND hWnd, PRECT prc);
  *
  * \return The pixel value of the background color.
  *
+ * \note The type of return value changed from int to gal_pixel since v3.2.
+ *
  * \sa SetWindowBkColor
  */
-MG_EXPORT int GUIAPI GetWindowBkColor (HWND hWnd);
+MG_EXPORT gal_pixel GUIAPI GetWindowBkColor (HWND hWnd);
 
 /**
- * \fn int GUIAPI SetWindowBkColor (HWND hWnd, int new_bkcolor)
+ * \fn gal_pixel GUIAPI SetWindowBkColor (HWND hWnd, gal_pixel new_bkcolor)
  * \brief Sets the background color of a window.
  *
  * This function sets the background color of the specified window \a hWnd
@@ -5396,9 +5398,12 @@ MG_EXPORT int GUIAPI GetWindowBkColor (HWND hWnd);
  * \param new_bkcolor The pixel value of the new background color.
  * \return The pixel value of the old background color.
  *
+ * \note The type of return value and \a new_bkcolor changed from int to 
+ *       gal_pixel since v3.2.
+ *
  * \sa GetWindowBkColor
  */
-MG_EXPORT int GUIAPI SetWindowBkColor (HWND hWnd, int new_bkcolor);
+MG_EXPORT gal_pixel GUIAPI SetWindowBkColor (HWND hWnd, gal_pixel new_bkcolor);
 
 /**
  * \fn PLOGFONT GUIAPI GetWindowFont (HWND hWnd)
diff --git a/src/gui/window.c b/src/gui/window.c
index 3ab45114..b1045ea9 100644
--- a/src/gui/window.c
+++ b/src/gui/window.c
@@ -4196,7 +4196,7 @@ BOOL GUIAPI GetClientRect (HWND hWnd, PRECT prc)
 }
 
 /******************** main window and control styles support *****************/
-int GUIAPI GetWindowBkColor (HWND hWnd)
+gal_pixel GUIAPI GetWindowBkColor (HWND hWnd)
 {
     PMAINWIN pWin = (PMAINWIN)hWnd;
 
@@ -4205,9 +4205,9 @@ int GUIAPI GetWindowBkColor (HWND hWnd)
     return pWin->iBkColor;
 }
 
-int GUIAPI SetWindowBkColor (HWND hWnd, int new_bkcolor)
+gal_pixel GUIAPI SetWindowBkColor (HWND hWnd, gal_pixel new_bkcolor)
 {
-    int old_bkcolor;
+    gal_pixel old_bkcolor;
     PMAINWIN pWin;
 
     MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), PIXEL_invalid);