// a tab control contains other controls; size appropriately func (t *tab) commitResize(c *allocation, d *sizing) { var r C.RECT // figure out what the rect for each child is... // the tab contents are children of the tab itself, so ignore c.x and c.y, which are relative to the window! r.left = C.LONG(0) r.top = C.LONG(0) r.right = C.LONG(c.width) r.bottom = C.LONG(c.height) C.tabGetContentRect(t._hwnd, &r) // and resize tabs // don't resize just the current tab; resize all tabs! for _, c := range t.tabs { // because each widget is actually a child of the Window, the origin is the one we calculated above c.move(&r) } // and now resize the tab control itself basecommitResize(t, c, d) }
// a tab control contains other controls; size appropriately func (t *tab) commitResize(c *allocation, d *sizing) { var r C.RECT // figure out what the rect for each child is... // the tab contents are children of the tab itself, so ignore c.x and c.y, which are relative to the window! r.left = C.LONG(0) r.top = C.LONG(0) r.right = C.LONG(c.width) r.bottom = C.LONG(c.height) C.tabGetContentRect(t._hwnd, &r) // and resize tabs // resize only the current tab; we trigger a resize on a tab change to make sure things look correct if len(t.tabs) > 0 { t.tabs[C.SendMessageW(t._hwnd, C.TCM_GETCURSEL, 0, 0)].move(&r) } // save the tab size so we can t.switchrect = r // and now resize the tab control itself basecommitResize(t, c, d) }