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BMenuField: Check if Frame() is valid, refactor

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This commit is contained in:
John Scipione
2013-07-18 03:24:26 -04:00
parent 8d75f14355
commit f1eb42958f
1 changed files with 31 additions and 24 deletions
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src/kits/interface/MenuField.cpp
+31 -24
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@@ -916,14 +916,15 @@ BMenuField::DoLayout()
// divider
float divider = 0;
if (fLayoutData->label_layout_item && fLayoutData->menu_bar_layout_item) {
// We have layout items. They define the divider location.
if (fLayoutData->label_layout_item != NULL
&& fLayoutData->menu_bar_layout_item != NULL
&& fLayoutData->label_layout_item->Frame().IsValid()
&& fLayoutData->menu_bar_layout_item->Frame().IsValid()) {
// We have valid layout items, they define the divider location.
divider = fLayoutData->menu_bar_layout_item->Frame().left
- fLayoutData->label_layout_item->Frame().left;
} else {
if (fLayoutData->label_width > 0)
divider = fLayoutData->label_width + 5;
}
} else if (fLayoutData->label_width > 0)
divider = fLayoutData->label_width + 5;
// menu bar
BRect dirty(fMenuBar->Frame());
@@ -1093,25 +1094,31 @@ BMenuField::_UpdateFrame()
{
CALLED();
if (fLayoutData->label_layout_item && fLayoutData->menu_bar_layout_item) {
BRect labelFrame = fLayoutData->label_layout_item->Frame();
BRect menuFrame = fLayoutData->menu_bar_layout_item->Frame();
// update divider
fDivider = menuFrame.left - labelFrame.left;
// update our frame
MoveTo(labelFrame.left, labelFrame.top);
BSize oldSize = Bounds().Size();
ResizeTo(menuFrame.left + menuFrame.Width() - labelFrame.left,
menuFrame.top + menuFrame.Height() - labelFrame.top);
BSize newSize = Bounds().Size();
// If the size changes, ResizeTo() will trigger a relayout, otherwise
// we need to do that explicitly.
if (newSize != oldSize)
Relayout();
if (fLayoutData->label_layout_item == NULL
|| fLayoutData->menu_bar_layout_item == NULL) {
return;
}
BRect labelFrame = fLayoutData->label_layout_item->Frame();
BRect menuFrame = fLayoutData->menu_bar_layout_item->Frame();
if (!labelFrame.IsValid() || !menuFrame.IsValid())
return;
// update divider
fDivider = menuFrame.left - labelFrame.left;
// update our frame
MoveTo(labelFrame.left, labelFrame.top);
BSize oldSize = Bounds().Size();
ResizeTo(menuFrame.left + menuFrame.Width() - labelFrame.left,
menuFrame.top + menuFrame.Height() - labelFrame.top);
BSize newSize = Bounds().Size();
// If the size changes, ResizeTo() will trigger a relayout, otherwise
// we need to do that explicitly.
if (newSize != oldSize)
Relayout();
}