bool Liveplay::on_keyboard_arrows(GtkAccelGroup *accel_group, GObject *acceleratable,
guint keyval, GdkModifierType modifier, Liveplay& self) {
if (keyval == GDK_KEY_Left || keyval == GDK_KEY_Right) {
Gtk::Adjustment *a = self.brightness_slider->get_adjustment();
double val = a->get_value();
double step = a->get_step_increment();
if (keyval == GDK_KEY_Left) {
val -= step;
} else {
val += step;
}
a->set_value(val);
} else {
Gtk::Adjustment *a = self.background_slider->get_adjustment();
double val = a->get_value();
double step = a->get_step_increment();
if (keyval == GDK_KEY_Down) {
val -= step;
} else {
val += step;
}
a->set_value(val);
}
return true;
}
void HDRPage::OnShutterScroll( int image )
{
Gtk::Adjustment* pAdjustment = m_hdrImageArray[image].pAdjustmentShutter;
double value = pAdjustment->get_value();
SetShutter( image, static_cast<unsigned int>(value) );
}
//
// 左スクロール
//
void ImageViewMain::scroll_left()
{
#ifdef _DEBUG
std::cout << "ImageViewMain::scroll_left\n";
#endif
Gtk::Adjustment* hadjust = m_scrwin->get_hadjustment();
if( !hadjust ) return;
hadjust->set_value( MAX( 0, hadjust->get_value() - hadjust->get_step_increment() ) );
}
//
// 上スクロール
//
void ImageViewMain::scroll_up()
{
#ifdef _DEBUG
std::cout << "ImageViewMain::scroll_up\n";
#endif
Gtk::Adjustment* vadjust = m_scrwin->get_vadjustment();
if( !vadjust ) return;
vadjust->set_value( MAX( 0, vadjust->get_value() - vadjust->get_step_increment() ) );
}
bool MyPaintBox::on_expose_event(GdkEventExpose *event) {
call_paint_func(event);
Cairo::RefPtr<Cairo::Context> cr = Glib::wrap(event->window, true)->create_cairo_context();
gdk_cairo_region(cr->cobj(), event->region);
cr->clip();
cr->set_source_rgba(0.0, 0.0, 0.0, 1-background_adj->get_value());
cr->paint();
foreach(sigc::bind(sigc::mem_fun(this, &MyPaintBox::propagate_expose), event));
return true;
}
//
// 右スクロール
//
void ImageViewMain::scroll_right()
{
#ifdef _DEBUG
std::cout << "ImageViewMain::scroll_right\n";
#endif
Gtk::Adjustment* hadjust = m_scrwin->get_hadjustment();
if( !hadjust ) return;
hadjust->set_value( MIN( hadjust->get_upper() - hadjust->get_page_size(),
hadjust->get_value() + hadjust->get_step_increment() ) );
}
//
// 下スクロール
//
void ImageViewMain::scroll_down()
{
#ifdef _DEBUG
std::cout << "ImageViewMain::scroll_down\n";
#endif
Gtk::Adjustment* vadjust = m_scrwin->get_vadjustment();
if( !vadjust ) return;
vadjust->set_value( MIN( vadjust->get_upper() - vadjust->get_page_size(),
vadjust->get_value() + vadjust->get_step_increment() ) );
}
void
gui_window_gtk2::scroll_adjust (Gtk::Adjustment & hadjust, double step)
{
double val = hadjust.get_value();
double upper = hadjust.get_upper();
double nextval = val + step;
bool forward = step >= 0.0;
if (forward)
{
if (nextval > upper)
nextval = upper;
}
else
{
if (nextval < 0.0)
nextval = 0.0;
}
hadjust.set_value(nextval);
}
int CodeView::scroll_to_line_internal(size_t line)
{
Gtk::Adjustment* adj = get_vadjustment();
assert(adj);
assert(line_count());
const double pointsPerLine = adj->get_upper() / line_count();
// compute the top-most visible line
const size_t top = static_cast<size_t>(rint(adj->get_value() / pointsPerLine));
const size_t linesInView = static_cast<size_t>(floor(height() / pointsPerLine));
if ((line < top) || (line >= top + linesInView))
{
if (line)
{
--line;
}
const double a = floor(line * pointsPerLine);
adj->set_value(a);
}
return 0;
}
float get_radius()const { return adj_radius.get_value(); }
Real get_feather() const { return adj_feather.get_value(); }
//
// マウスモーション
//
bool ImageViewMain::slot_motion_notify( GdkEventMotion* event )
{
ImageViewBase::slot_motion_notify( event );
// スクロールバー移動
if( m_scrwin ){
GdkEventButton event_button;
get_control().get_eventbutton( CONTROL::ScrollImageButton, event_button );
#ifdef _DEBUG
// std::cout << "state = " << event->state << " / " << GDK_BUTTON1_MASK << " button = " << event_button.button << std::endl;
#endif
if( ( ( event->state & GDK_BUTTON1_MASK ) && event_button.button == 1 )
|| ( ( event->state & GDK_BUTTON2_MASK ) && event_button.button == 2 )
|| ( ( event->state & GDK_BUTTON3_MASK ) && event_button.button == 3 )
){
Gtk::Adjustment* hadj = m_scrwin->get_hadjustment();
Gtk::Adjustment* vadj = m_scrwin->get_vadjustment();
gdouble dx = event->x_root - m_x_motion;
gdouble dy = event->y_root - m_y_motion;
#ifdef _DEBUG
// std::cout << "dx = " << dx << " dy = " << dy << std::endl;
#endif
m_x_motion = event->x_root;
m_y_motion = event->y_root;
if( hadj ) hadj->set_value(
MAX( hadj->get_lower(), MIN( hadj->get_upper() - hadj->get_page_size(), hadj->get_value() - dx ) ) );
if( vadj ) vadj->set_value(
MAX( vadj->get_lower(), MIN( vadj->get_upper() - vadj->get_page_size(), vadj->get_value() - dy ) ) );
m_scrolled = true;
}
}
return true;
}
Real get_delta()const { return adj_delta.get_value(); }