1 files changed, 82 insertions, 0 deletions
diff --git a/controlsize_sys.go b/controlsize_sys.go
new file mode 100644
index 0000000..c520a30
--- /dev/null
+++ b/controlsize_sys.go
@@ -0,0 +1,82 @@
+// <codedate
+
+package ui
+
+type sysSizeData struct {
+	// for size calculations
+	// all platforms
+	margin	int	// windows: calculated
+	spacing	int	// gtk+, cocoa: constants
+	// windows
+	baseX	int
+	baseY	int
+	// gtk, mac os x: nothing
+
+	// for the actual resizing
+	// windows
+	// possibly also the HDWP
+	// gtk
+	shouldVAlignTop	bool
+	// mac os x
+	// neighbor control alignment rect/baseline info
+}
+
+func (s *sysData) beginResize() *sysSizeData {
+	// windows: get baseX/baseY for window and compute margin and spacing
+	// gtk, mac: return zero
+}
+
+func (s *sysData) endResize(d *sysSizeData) {
+	// redraw
+}
+
+func (s *sysData) translateAllocationCoords(allocations []*allocation, winwidth, winheight int) {
+	// windows, gtk: nothing
+	// mac
+	for _, a := range allocations {
+		// winheight - y because (0,0) is the bottom-left corner of the window and not the top-left corner
+		// (winheight - y) - height because (x, y) is the bottom-left corner of the control and not the top-left
+		a.y = (winheight - a.y) - a.height
+	}
+}
+
+// windows
+func (s *sysData) doResize(c *allocation, d *sysSizeData) {
+	if s.ctype == c_label {
+		// add additional offset of 4 dialog units
+	}
+	// resize
+}
+func (s *sysData) getAuxResizeInfo(d *sysSizeData) {
+	// do nothing
+}
+
+// gtk+
+func (s *sysData) doResize(c *allocation, d *sysSizeData) {
+	if s.ctype == c_label && !s.alternate && c.neighbor != nil {
+		c.neighbor.getAuxResizeInfo(d)
+		if d.shouldVAlignTop {
+			// TODO should it be center-aligned to the first line or not
+			gtk_misc_set_align(s.widget, 0, 0)
+		} else {
+			gtk_misc_set_align(s.widget, 0, 0.5)
+		}
+	}
+	// resize
+}
+func (s *sysData) getAuxResizeInfo(d *sysSizeData) {
+	d.shouldVAlignTop = (s.ctype == c_listbox) || (s.ctype == c_area)
+}
+
+// cocoa
+func (s *sysData) doResize(c *allocation, d *sysSizeData) {
+	if s.ctype == c_label && !s.alternate && c.neighbor != nil {
+		c.neighbor.getAuxResizeInfo(d)
+		// get this control's alignment rect and baseline
+		// align
+	}
+	// resize
+}
+func (s *sysData) getAuxResizeInfo(d *sysSizeData) {
+	// get this control's alignment rect and baseline
+}