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Added BWindow::ResizeToPreferred(). 

* B_AUTO_UPDATE_SIZE_LIMITS only really makes sense for resizable
  windows, and it only sets the minimum/maximum window size.
* ResizeToPreferred() resizes the window to its preferred size, and
  also supports height-for-width layouts.
This commit is contained in:
Axel Dörfler 2015-07-30 18:27:13 +02:00
parent 7bdc7eec03
commit 99b4affab6
2 changed files with 21 additions and 2 deletions
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1
headers/os/interface/Window.h
View File

@ -165,6 +165,7 @@ public:
void MoveTo(float x, float y);
void ResizeBy(float dx, float dy);
void ResizeTo(float width, float height);
void ResizeToPreferred();
void CenterIn(const BRect& rect);
void CenterOnScreen();

22
src/kits/interface/Window.cpp
View File

@ -2521,7 +2521,26 @@ BWindow::ResizeTo(float width, float height)
}
// Center the window in the passed in rect.
void
BWindow::ResizeToPreferred()
{
Layout(false);
float width = fTopView->PreferredSize().width;
width = std::min(width, fTopView->MaxSize().width);
width = std::max(width, fTopView->MinSize().width);
float height = fTopView->PreferredSize().height;
height = std::min(width, fTopView->MaxSize().height);
height = std::max(width, fTopView->MinSize().height);
if (GetLayout()->HasHeightForWidth())
GetLayout()->GetHeightForWidth(width, NULL, NULL, &height);
ResizeTo(width, height);
}
void
BWindow::CenterIn(const BRect& rect)
{
@ -2534,7 +2553,6 @@ BWindow::CenterIn(const BRect& rect)
}
// Centers the window on the screen the window is currently on.
void
BWindow::CenterOnScreen()
{