When no settings file is found, resize the list view and the window such that

all columns are seen (taking care not to become bigger than the screen) and
center the window on screen.

+alphabranch


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32853 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/drivesetup/DriveSetup.cpp

@@ -36,7 +36,8 @@ void
 DriveSetup::ReadyToRun()
 {
 	fWindow = new MainWindow(BRect(50, 50, 600, 450));
-	_RestoreSettings();
+	if (_RestoreSettings() != B_OK)
+		fWindow->ApplyDefaultSettings();
 	fWindow->Show();
 }
 

src/apps/drivesetup/MainWindow.cpp

@@ -372,6 +372,32 @@ MainWindow::RestoreSettings(BMessage* archive)
 }
 
 
+void
+MainWindow::ApplyDefaultSettings()
+{
+	if (!Lock())
+		return;
+
+	fListView->ResizeAllColumnsToPreferred();
+
+	// Adjust window size for convenience
+	float enlargeBy = fListView->PreferredSize().width
+		- fListView->Bounds().Width();
+	if (enlargeBy > 0.0f) {
+		BScreen screen(this);
+		float windowWidth = Frame().Width() + enlargeBy;
+		if (windowWidth > screen.Frame().Width() - 20.0f)
+			windowWidth = screen.Frame().Width() - 20.0f;
+
+		ResizeTo(windowWidth, Frame().Height());
+	}
+
+	CenterOnScreen();
+
+	Unlock();
+}
+
+
 // #pragma mark -
 
 

src/apps/drivesetup/MainWindow.h

@@ -41,6 +41,7 @@ public:
 	// MainWindow
 			status_t			StoreSettings(BMessage* archive) const;
 			status_t			RestoreSettings(BMessage* archive);
+			void				ApplyDefaultSettings();
 
 private:
 			void				_ScanDrives();
@@ -68,7 +69,7 @@ private:
 									const BString& diskSystemName);
 			void				_Create(BDiskDevice* disk,
 									partition_id selectedPartition);
-			void				_Delete(BDiskDevice* disk, 
+			void				_Delete(BDiskDevice* disk,
 									partition_id selectedPartition);