rework things a bit.

also remove some useless variables.

src/libui_sdl/libui/common/control.c

@@ -66,8 +66,7 @@ void uiControlSetMinSize(uiControl *c, int w, int h)
 {
     c->MinWidth = w;
     c->MinHeight = h;
-
+    (*(c->SetMinSize))(c, w, h);
-    // TODO: resize if needed
 }
 
 #define uiControlSignature 0x7569436F

src/libui_sdl/libui/ui.h

@@ -73,6 +73,7 @@ struct uiControl {
 	void (*Enable)(uiControl *);
 	void (*Disable)(uiControl *);
 	void (*SetFocus)(uiControl *);
+	void (*SetMinSize)(uiControl*, int, int);
 
 	int MinWidth, MinHeight;
 };

src/libui_sdl/libui/ui_windows.h

@@ -107,6 +107,10 @@ _UI_EXTERN void uiWindowsControlChildVisibilityChanged(uiWindowsControl *);
 	{ \
 		SetFocus(type(c)->hwnd); \
 	}
+#define uiWindowsControlDefaultSetMinSize(type) \
+	static void type ## SetMinSize(uiControl *c, int w, int h) \
+	{ \
+	}
 #define uiWindowsControlDefaultSyncEnableState(type) \
 	static void type ## SyncEnableState(uiWindowsControl *c, int enabled) \
 	{ \
@@ -158,6 +162,7 @@ _UI_EXTERN void uiWindowsControlChildVisibilityChanged(uiWindowsControl *);
 	uiWindowsControlDefaultEnable(type) \
 	uiWindowsControlDefaultDisable(type) \
 	uiWindowsControlDefaultSetFocus(type) \
+	uiWindowsControlDefaultSetMinSize(type) \
 	uiWindowsControlDefaultSyncEnableState(type) \
 	uiWindowsControlDefaultSetParentHWND(type) \
 	uiWindowsControlDefaultMinimumSizeChanged(type) \
@@ -184,6 +189,7 @@ _UI_EXTERN void uiWindowsControlChildVisibilityChanged(uiWindowsControl *);
 	uiControl(var)->Enable = type ## Enable; \
 	uiControl(var)->Disable = type ## Disable; \
 	uiControl(var)->SetFocus = type ## SetFocus; \
+	uiControl(var)->SetMinSize = type ## SetMinSize; \
 	uiWindowsControl(var)->SyncEnableState = type ## SyncEnableState; \
 	uiWindowsControl(var)->SetParentHWND = type ## SetParentHWND; \
 	uiWindowsControl(var)->MinimumSize = type ## MinimumSize; \

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)