void CqFramebuffer::resize()
{
Fl::lock();
std::stringstream title;
title << m_bookName;
int fw = defaultWidth;
int fh = defaultHeight;
if(m_associatedImage)
{
if(m_associatedImage->frameWidth() > 0 && m_associatedImage->frameHeight() > 0)
{
fw = m_associatedImage->frameWidth();
fh = m_associatedImage->frameHeight();
}
title << ": " << m_associatedImage->name();
}
m_uiImageWidget->size(fw, fh);
// Resize the window if it's too small, leave it if it's big enough or bigger.
if( w() < fw || h() < fh )
resize(x(), y(), min(fw, static_cast<int>(Fl::w()*0.9)), min(fh, static_cast<int>(Fl::h()*0.9)));
centerImageWidget();
redraw();
m_title = title.str();
label(m_title.c_str());
m_doResize = false;
Fl::unlock();
}
void CqFramebuffer::resize(int X, int Y, int W, int H)
{
// is the window actually getting resized? (might just be moved)
bool isResizing = W != w() || H != h();
// call parent's resize()
Fl_Double_Window::resize(X, Y, W, H);
if(isResizing)
centerImageWidget();
}
int CqCenterScroll::handle(int event)
{
switch(event)
{
case FL_PUSH:
if(Fl::event_button() == FL_MIDDLE_MOUSE)
{
m_prevDragX = Fl::event_x();
m_prevDragY = Fl::event_y();
return 1;
}
break;
case FL_RELEASE:
if(Fl::event_button() == FL_MIDDLE_MOUSE)
return 1;
break;
case FL_DRAG:
if(Fl::event_button() == FL_MIDDLE_MOUSE)
{
position(xposition() - (Fl::event_x() - m_prevDragX),
yposition() - (Fl::event_y() - m_prevDragY));
m_prevDragX = Fl::event_x();
m_prevDragY = Fl::event_y();
return 1;
}
break;
case FL_KEYDOWN:
case FL_SHORTCUT:
int key = Fl::event_key();
switch(key)
{
case 'h':
if(Fl::event_alt())
return 0;
// passthrough
case FL_Home:
centerImageWidget();
return 1;
break;
// Ignore cursors, so that the browser gets them.
case FL_Up:
case FL_Down:
case FL_Left:
case FL_Right:
return 0;
}
break;
}
if(m_imageWidget.handle(event))
return(1);
else
return Fl_Scroll::handle(event);
}
// Event handler for the framebuffer
int CqFramebuffer::handle(int event)
{
switch(event)
{
case FL_FOCUS:
return 1;
case FL_UNFOCUS:
return 1;
case FL_KEYDOWN:
{
boost::shared_ptr<Aqsis::CqImage>& image
= m_uiImageWidget->image();
int key = Fl::event_key();
if(Fl::event_ctrl())
{
switch(key)
{
case FL_KP + '+':
incSubImage(true);
return 1;
case FL_KP + '-':
incSubImage(false);
return 1;
}
}
else if(Fl::event_shift())
{
switch(key)
{
case 'r':
if(image)
image->reloadFromFile();
return 1;
}
}
else
{
switch(key)
{
case 'h':
// 'Home' widget back to center
centerImageWidget();
m_scroll->redraw();
return 1;
case FL_KP + '+':
incZoom(1);
return 1;
case FL_KP + '-':
incZoom(-1);
return 1;
}
}
}
break;
case FL_KEYUP:
break;
case FL_PUSH:
switch (Fl::event_button())
{
case FL_MIDDLE_MOUSE:
// pan
m_lastPos[0] = Fl::event_x();
m_lastPos[1] = Fl::event_y();
return 1;
}
break;
case FL_RELEASE:
switch (Fl::event_button())
{
case FL_MIDDLE_MOUSE:
fl_cursor(FL_CURSOR_DEFAULT, FL_FOREGROUND_COLOR,
FL_BACKGROUND_COLOR);
return 1;
}
break;
case FL_DRAG:
switch (Fl::event_button())
{
case FL_MIDDLE_MOUSE:
fl_cursor(FL_CURSOR_MOVE, FL_FOREGROUND_COLOR,
FL_BACKGROUND_COLOR);
int dx = Fl::event_x() - m_lastPos[0];
int dy = Fl::event_y() - m_lastPos[1];
m_uiImageWidget->position(m_uiImageWidget->x() + dx,
m_uiImageWidget->y()+dy);
m_scroll->redraw();
m_lastPos[0] = Fl::event_x();
m_lastPos[1] = Fl::event_y();
return 1;
}
break;
case FL_MOUSEWHEEL:
{
if(Fl::event_ctrl())
incSubImage(Fl::event_dy() < 0);
else
incZoom(-Fl::event_dy());
return 1;
}
break;
}
return Fl_Window::handle(event);
}
