private void pbxDisplay_MouseMove(object sender, MouseEventArgs e)
{
if (StartingDrag == true)
{
Dragging = true;
}
if (Marking) // We're drawing a bounding box, set the second endpoint
{
MouseEnd = e.Location;
// Draw the phrase box
Rectangle TestRec = MouseStart.RectTo(MouseEnd);
if (TestRec.Width < 25 || TestRec.Height < 15) // If it's too small, draw it red
{
BoundingBoxState = BoundingState.TooSmall;
}
else if (CheckForText(TestRec))
{
// TODO: This needs to be extended to understand the intersect vs bounding modes
BoundingBoxState = BoundingState.RectsFound; // If it's over any text, draw it green
}
else
{
BoundingBoxState = BoundingState.Normal; // Otherwise draw it white
}
pbxDisplay.Invalidate();
}
else if (Dragging) // We're dragging, move the selected bounding box
{
int diffX = MouseStart.X - e.X;
int diffY = MouseStart.Y - e.Y;
PhraseRects.FindAll(x => x.Selected).ForEach(x => { x.Location.X -= diffX; x.Location.Y -= diffY; });
MouseStart = e.Location;
pbxDisplay.Invalidate();
}
else // Just highlight whatever box the mouse is over
{
foreach (PhraseRect TPRect in PhraseRects)
{
TPRect.Hovered = false;
} // Clear all phrase hover states
PhraseRect PRect = GetPhraseAtPoint(e.Location); // Check if we're over a phrase
if (PRect != null)
{
PRect.Hovered = true; // Mark it as hovered
}
pbxDisplay.Invalidate();
}
}
//======= Mouse events
// Begin drawing or dragging bounding box
private void pbxDisplay_MouseDown(object sender, MouseEventArgs e)
{
PhraseRect PRect = GetPhraseAtPoint(e.Location);
if (e.Button == MouseButtons.Right)
{
if (PRect != null)
{
PRect.Selected = true;
}
return;
}
// Don't permit any mouse actions unless OCR is complete
// This is a crowbar and we may need a better solution when we implement retained phrases between snaps
if (OCRResult == null || !OCRResult.isDone)
{
return;
}
if (PRect != null && !CtrlDown)
{
// There was a phrase under the mouse
// Select it, then set up for a drag if desired
if (PRect.Selected != true) // If the box wasn't already selected
{
// If the user wasn't holding shift, clear all other selections
if (!WindowFunctions.IsPressed((int)WindowFunctions.VirtualKeyStates.VK_LSHIFT))
{
foreach (PhraseRect TPRect in PhraseRects)
{
TPRect.Clicked = false; TPRect.Selected = false;
}
// And begin a drag process on that one item
if (e.Button == MouseButtons.Left)
{
MouseStart = e.Location;
StartingDrag = true;
}
PRect.Clicked = true;
}
PRect.Selected = true;
}
else // If the box was already selected
{
if (WindowFunctions.IsPressed((int)WindowFunctions.VirtualKeyStates.VK_LSHIFT))
{
// If the user is holding shift, deselect the current box and do nothing else.
PRect.Selected = false;
}
else
{
// If not, then start a drag, which may be multi-drag.
PRect.Clicked = true;
if (e.Button == MouseButtons.Left)
{
MouseStart = e.Location;
StartingDrag = true;
}
}
}
// Pop the clicked phrase to the top (technically the bottom) of the stack
PhraseRects.Remove(PRect);
PhraseRects.Add(PRect);
}
else // There was no phrase under the mouse, start a bounding box
{
if (e.Button == MouseButtons.Left)
{
MouseStart = e.Location;
MouseEnd = e.Location;
Marking = true;
BoundingBoxState = BoundingState.TooSmall;
}
}
pbxDisplay.Invalidate();
}
