rework things a bit.

also remove some useless variables.

src/libui_sdl/libui/windows/box.cpp

@@ -38,7 +38,6 @@ static void boxRelayout(uiBox *b)
 	int i;
 	int minimumWidth, minimumHeight;
 	int nVisible;
-	uiWindowsSizing *d;
 
 	if (b->controls->size() == 0)
 		return;
@@ -165,10 +164,8 @@ static void uiBoxMinimumSize(uiWindowsControl *c, int *width, int *height)
 	// these two contain the largest minimum width and height of all stretchy controls in the box
 	// all stretchy controls will use this value to determine the final minimum size
 	int maxStretchyWidth, maxStretchyHeight;
-	int i;
 	int minimumWidth, minimumHeight;
 	int nVisible;
-	uiWindowsSizing sizing;
 
 	*width = 0;
 	*height = 0;
@@ -235,6 +232,12 @@ static void uiBoxMinimumSizeChanged(uiWindowsControl *c)
 	boxRelayout(b);
 }
 
+static void uiBoxSetMinSize(uiControl *c, int w, int h)
+{
+    // checkme
+    uiBoxMinimumSizeChanged(uiWindowsControl(c));
+}
+
 uiWindowsControlDefaultLayoutRect(uiBox)
 uiWindowsControlDefaultAssignControlIDZOrder(uiBox)
 

src/libui_sdl/libui/windows/colordialog.cpp

@@ -87,7 +87,6 @@ static void hsv2RGB(double h, double s, double v, double *r, double *g, double *
 	int h60;
 	double x;
 	double m;
-	double c1, c2;
 
 	c = v * s;
 	hPrime = h * 6;

src/libui_sdl/libui/windows/form.cpp

@@ -232,6 +232,12 @@ static void uiFormMinimumSizeChanged(uiWindowsControl *c)
 	formRelayout(f);
 }
 
+static void uiFormSetMinSize(uiControl *c, int w, int h)
+{
+    // checkme
+    uiFormMinimumSizeChanged(uiWindowsControl(c));
+}
+
 uiWindowsControlDefaultLayoutRect(uiForm)
 uiWindowsControlDefaultAssignControlIDZOrder(uiForm)
 

src/libui_sdl/libui/windows/grid.cpp

@@ -516,6 +516,12 @@ static void uiGridMinimumSizeChanged(uiWindowsControl *c)
 	gridRelayout(g);
 }
 
+static void uiGridSetMinSize(uiControl *c, int w, int h)
+{
+    // checkme
+    uiGridMinimumSizeChanged(uiWindowsControl(c));
+}
+
 uiWindowsControlDefaultLayoutRect(uiGrid)
 uiWindowsControlDefaultAssignControlIDZOrder(uiGrid)
 

src/libui_sdl/libui/windows/group.cpp

@@ -119,6 +119,12 @@ static void uiGroupMinimumSizeChanged(uiWindowsControl *c)
 	groupRelayout(g);
 }
 
+static void uiGroupSetMinSize(uiControl *c, int w, int h)
+{
+    // checkme
+    uiGroupMinimumSizeChanged(uiWindowsControl(c));
+}
+
 uiWindowsControlDefaultLayoutRect(uiGroup)
 uiWindowsControlDefaultAssignControlIDZOrder(uiGroup)
 

src/libui_sdl/libui/windows/tab.cpp

@@ -164,6 +164,12 @@ static void uiTabMinimumSizeChanged(uiWindowsControl *c)
 	tabRelayout(t);
 }
 
+static void uiTabSetMinSize(uiControl *c, int w, int h)
+{
+    // checkme
+    uiTabMinimumSizeChanged(uiWindowsControl(c));
+}
+
 uiWindowsControlDefaultLayoutRect(uiTab)
 uiWindowsControlDefaultAssignControlIDZOrder(uiTab)
 

src/libui_sdl/libui/windows/window.cpp

@@ -309,6 +309,11 @@ static void uiWindowLayoutRect(uiWindowsControl *c, RECT *r)
 	uiWindowsEnsureGetClientRect(w->hwnd, r);
 }
 
+static void uiWindowSetMinSize(uiControl *c, int w, int h)
+{
+    // TODO: relayout, eventually
+}
+
 uiWindowsControlDefaultAssignControlIDZOrder(uiWindow)
 
 static void uiWindowChildVisibilityChanged(uiWindowsControl *c)