void
ShowImageWindow::_SetToolBarVisible(bool visible, bool animate)
{
if (visible == fToolBarVisible)
return;
fToolBarVisible = visible;
float diff = fToolBar->Bounds().Height() + 2;
if (!visible)
diff = -diff;
else
fToolBar->Show();
if (animate) {
// Slide the controls into view. We do this with messages in order
// not to block the window thread.
const float kAnimationOffsets[] = { 0.05, 0.2, 0.5, 0.2, 0.05 };
const int32 steps = sizeof(kAnimationOffsets) / sizeof(float);
for (int32 i = 0; i < steps; i++) {
BMessage message(kMsgSlideToolBar);
message.AddFloat("offset", floorf(diff * kAnimationOffsets[i]));
PostMessage(&message, this);
}
BMessage finalMessage(kMsgFinishSlidingToolBar);
finalMessage.AddFloat("offset", visible ? 0 : diff);
finalMessage.AddBool("show", visible);
PostMessage(&finalMessage, this);
} else {
fScrollView->ResizeBy(0, -diff);
fScrollView->MoveBy(0, diff);
fToolBar->MoveBy(0, diff);
if (!visible)
fToolBar->Hide();
}
}
// FUNCTION: run
// Handles the main flow of control for the Converter class, including I/O
void Converter::run() {
welcomeMessage();
// Loop to allow for multiple conversions
bool loop = true;
while (loop) {
// Receive user input
input = receiveInput();
// Convert number to string
output = convertToOutput();
// Display the output
printOutput();
loop = repeat();
}
finalMessage();
}
