diff options
Diffstat (limited to 'tab_windows.go')
| -rw-r--r-- | tab_windows.go | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/tab_windows.go b/tab_windows.go index 7203166..fc36d6a 100644 --- a/tab_windows.go +++ b/tab_windows.go @@ -20,6 +20,7 @@ type tab struct { tabs []*container children []Control chainresize func(x int, y int, width int, height int, d *sizing) + current int } func newTab() Tab { @@ -28,6 +29,7 @@ func newTab() Tab { 0) // don't set WS_EX_CONTROLPARENT here; see uitask_windows.c t := &tab{ controlSingleHWND: newControlSingleHWND(hwnd), + current: -1, } t.fpreferredSize = t.xpreferredSize t.chainresize = t.fresize @@ -61,7 +63,9 @@ func tabChanging(data unsafe.Pointer, current C.LRESULT) { //export tabChanged func tabChanged(data unsafe.Pointer, new C.LRESULT) { t := (*tab)(data) - t.tabs[int(new)].show() + t.current = int(new) + // TODO resize the new tab + t.tabs[t.current].show() } //export tabTabHasChildren @@ -89,27 +93,22 @@ func (t *tab) xpreferredSize(d *sizing) (width, height int) { return width, height + int(C.tabGetTabHeight(t.hwnd)) } -// a tab control contains other controls; size appropriately +// no need to resize the other controls; we do that in tabResized() which is called by the tab subclass handler func (t *tab) xresize(x int, y int, width int, height int, d *sizing) { - // first, chain up to the container base to keep the Z-order correct + // just chain up to the container base to keep the Z-order correct t.chainresize(x, y, width, height, d) +} - // now resize the children - var r C.RECT - - // figure out what the rect for each child is... - // the tab contents are children of the tab itself, so ignore x and y, which are relative to the window! - r.left = C.LONG(0) - r.top = C.LONG(0) - r.right = C.LONG(width) - r.bottom = C.LONG(height) - C.tabGetContentRect(t.hwnd, &r) - // and resize tabs - // don't resize just the current tab; resize all tabs! - for i, _ := range t.tabs { - // because each widget is actually a child of the Window, the origin is the one we calculated above - t.tabs[i].resize(int(r.left), int(r.top), int(r.right - r.left), int(r.bottom - r.top), d) - // TODO get the actual client rect - t.children[i].resize(int(0), int(0), int(r.right - r.left), int(r.bottom - r.top), d) +//export tabResized +func tabResized(data unsafe.Pointer, r C.RECT) { + t := (*tab)(data) + if t.current == -1 { // nothing to do + return } + d := beginResize(t.hwnd) + // only need to resize the current tab; we resize new tabs when the tab changes in tabChanged() above + // because each widget is actually a child of the Window, the origin is the one we calculated above + t.tabs[t.current].resize(int(r.left), int(r.top), int(r.right - r.left), int(r.bottom - r.top), d) + // TODO get the actual client rect + t.children[t.current].resize(int(0), int(0), int(r.right - r.left), int(r.bottom - r.top), d) } |