void Plotter::Keyboard(View&, unsigned char key, int /*x*/, int /*y*/, bool pressed)
{
const float mvfactor = 1.0f / 10.0f;
const float c[2] = {
track || trigger_edge ? target.x.max : rview.x.Mid(),
rview.y.Mid()
};
if(pressed) {
if(key == ' ') {
if( selection.Area() <= 0.0f) {
// Work out Auto zoom selection bounds
selection = ComputeAutoSelection();
}
if( selection.Area() > 0.0f) {
// Set view to equal selection
SetViewSmooth(selection);
// Reset selection
selection.x.max = selection.x.min;
selection.y.max = selection.y.min;
}
}else if(key == PANGO_SPECIAL + PANGO_KEY_LEFT) {
const float w = rview.x.Size();
const float dx = mvfactor*w;
ScrollViewSmooth(-dx, 0);
}else if(key == PANGO_SPECIAL + PANGO_KEY_RIGHT) {
const float w = rview.x.Size();
const float dx = mvfactor*w;
ScrollViewSmooth(+dx, 0);
}else if(key == PANGO_SPECIAL + PANGO_KEY_DOWN) {
const float h = target.y.Size();
const float dy = mvfactor*h;
ScrollViewSmooth(0, -dy);
}else if(key == PANGO_SPECIAL + PANGO_KEY_UP) {
const float h = target.y.Size();
const float dy = mvfactor*h;
ScrollViewSmooth(0, +dy);
}else if(key == '=') {
ScaleViewSmooth(0.5, 0.5, c[0], c[1]);
}else if(key == '-') {
ScaleViewSmooth(2.0, 2.0, c[0], c[1]);
}else if(key == 'r') {
ResetView();
}else if(key == 't') {
ToggleTracking();
}else if(key == 'e') {
ToggleTrigger();
}
}
}
/** Toggles tracking. */
void FStackTracker::ToggleTracking()
{
ToggleTracking(!bIsEnabled, false);
}
