Adding the SetRedraw() directive - only for Windows.

8 files changed, 45 insertions, 0 deletions

diff --git a/iup/include/iup.h b/iup/include/iup.h
index 572d88c..e94dbd9 100755
--- a/iup/include/iup.h
+++ b/iup/include/iup.h
@@ -46,6 +46,7 @@ void      IupExitLoop      (void);
 void      IupUpdate        (Ihandle* ih);
 void      IupUpdateChildren(Ihandle* ih);
 void      IupRedraw        (Ihandle* ih, int children);
+void      IupSetRedraw     (Ihandle* ih, int value);
 void      IupRefresh       (Ihandle* ih);
 
 char*     IupMapFont       (const char *iupfont);
diff --git a/iup/src/gtk/iupgtk_common.c b/iup/src/gtk/iupgtk_common.c
index d84c1c8..a27087e 100755
--- a/iup/src/gtk/iupgtk_common.c
+++ b/iup/src/gtk/iupgtk_common.c
@@ -107,6 +107,12 @@ void iupdrvRedrawNow(Ihandle *ih)
     gdk_window_process_updates(window, FALSE);
 }
 
+void iupdrvSetRedraw(Ihandle *ih, int value)
+{
+  (void)ih;
+  (void)value;
+}
+
 void iupdrvScreenToClient(Ihandle* ih, int *x, int *y)
 {
   gint win_x = 0, win_y = 0;
diff --git a/iup/src/iup_drv.h b/iup/src/iup_drv.h
index 1071347..ec8a253 100755
--- a/iup/src/iup_drv.h
+++ b/iup/src/iup_drv.h
@@ -66,6 +66,10 @@ void iupdrvPostRedraw(Ihandle *ih);
  * \ingroup drv */
 void iupdrvRedrawNow(Ihandle *ih);
 
+/** Sets if a control is drawable or not.
+ * \ingroup drv */
+void iupdrvSetRedraw(Ihandle *ih, int value);
+
 /** Reparent the native control.
  * \ingroup drv */
 void iupdrvReparent(Ihandle* ih);
diff --git a/iup/src/iup_layout.c b/iup/src/iup_layout.c
index 9387135..fc9dcf6 100755
--- a/iup/src/iup_layout.c
+++ b/iup/src/iup_layout.c
@@ -91,6 +91,16 @@ void IupRedraw(Ihandle* ih, int children)
     iLayoutDisplayRedrawChildren(ih);
 }
 
+void IupSetRedraw(Ihandle* ih, int value)
+{
+  iupASSERT(iupObjectCheck(ih));
+  if (!iupObjectCheck(ih))
+    return;
+
+  if (ih->handle && ih->iclass->nativetype != IUP_TYPEVOID)
+    iupdrvSetRedraw(ih, value);
+}
+
 void iupLayoutUpdate(Ihandle* ih)
 {
   Ihandle* child;
diff --git a/iup/src/mot/iupmot_common.c b/iup/src/mot/iupmot_common.c
index 286e075..554504f 100755
--- a/iup/src/mot/iupmot_common.c
+++ b/iup/src/mot/iupmot_common.c
@@ -235,6 +235,12 @@ void iupdrvRedrawNow(Ihandle *ih)
   XmUpdateDisplay(ih->handle);
 }
 
+void iupdrvSetRedraw(Ihandle *ih, int value)
+{
+  (void)ih;
+  (void)value;
+}
+
 void iupdrvScreenToClient(Ihandle* ih, int *x, int *y)
 {
   Window child;
diff --git a/iup/src/win/iupwin_common.c b/iup/src/win/iupwin_common.c
index 0f53e68..afa4235 100755
--- a/iup/src/win/iupwin_common.c
+++ b/iup/src/win/iupwin_common.c
@@ -100,6 +100,11 @@ void iupdrvRedrawNow(Ihandle *ih)
   RedrawWindow(ih->handle,NULL,NULL,RDW_ERASE|RDW_INVALIDATE|RDW_INTERNALPAINT|RDW_UPDATENOW);
 }
 
+void iupdrvRedrawNow(Ihandle *ih, int value)
+{
+  SendMessage(ih->handle, WM_SETREDRAW, value ? TRUE : FALSE, 0);
+}
+
 void iupdrvPostRedraw(Ihandle *ih)
 {
   /* Post a REDRAW */
diff --git a/iup/srclua3/iuplua_api.c b/iup/srclua3/iuplua_api.c
index a9acf1d..f9c6b30 100755
--- a/iup/srclua3/iuplua_api.c
+++ b/iup/srclua3/iuplua_api.c
@@ -269,6 +269,11 @@ static void Redraw(void)
   IupRedraw(iuplua_checkihandle(1), luaL_check_int(2));
 }
 
+static void SetRedraw(void)
+{
+  IupSetRedraw(iuplua_checkihandle(1), luaL_check_int(2));
+}
+
 static void VersionNumber(void)
 {
   lua_pushnumber(IupVersionNumber());
@@ -682,6 +687,7 @@ int iupluaapi_open(void)
     { "IupUpdate", Update },
     { "IupUpdateChildren", UpdateChildren },
     { "IupRedraw", Redraw },
+    { "IupSetRedraw", SetRedraw },
     { "IupVersionNumber", VersionNumber },
     { "IupShowXY", ShowXY },
     { "IupHide", Hide },
diff --git a/iup/srclua5/iuplua_api.c b/iup/srclua5/iuplua_api.c
index 27adffe..3fc73a1 100755
--- a/iup/srclua5/iuplua_api.c
+++ b/iup/srclua5/iuplua_api.c
@@ -725,6 +725,12 @@ static int Redraw(lua_State *L)
   return 0;
 }
 
+static int SetRedraw(lua_State *L)
+{
+  IupSetRedraw(iuplua_checkihandle(L,1), luaL_checkinteger(L, 2));
+  return 0;
+}
+
 static int ShowXY(lua_State *L)
 {
   Ihandle *ih = iuplua_checkihandle(L,1);
@@ -864,6 +870,7 @@ void iupluaapi_open(lua_State * L)
     {"UpdateChildren", UpdateChildren},
     {"SaveImageAsText", SaveImageAsText},
     {"Redraw", Redraw},
+    {"SetRedraw", SetRedraw},
     {"ShowXY", ShowXY},
     {"StoreAttribute", StoreAttribute},
     {"StoreGlobal", StoreGlobal},