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Added support for GDK_SCROLL_SMOOTH in some widgets

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see #4781, #4786
This commit is contained in:
Hombre
2018-09-15 21:14:48 +02:00
parent caffc3a23d
commit 0d61f14bae
9 changed files with 83 additions and 31 deletions
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20
rtgui/guiutils.cc
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@@ -945,6 +945,9 @@ bool MyScrolledWindow::on_scroll_event (GdkEventScroll* event)
double step = adjust->get_step_increment();
double value2 = 0.;
printf("MyScrolledwindow::on_scroll_event / delta_x=%.5f, delta_y=%.5f, direction=%d, type=%d, send_event=%d\n",
event->delta_x, event->delta_y, (int)event->direction, (int)event->type, event->send_event);
if (event->direction == GDK_SCROLL_DOWN) {
value2 = value + step;
@@ -962,6 +965,13 @@ bool MyScrolledWindow::on_scroll_event (GdkEventScroll* event)
value2 = lower;
}
if (value2 != value) {
scroll->set_value(value2);
}
} else if (event->direction == GDK_SCROLL_SMOOTH) {
if (abs(event->delta_y) > 0.1) {
value2 = rtengine::LIM<double>(value + (event->delta_y > 0 ? step : -step), lower, upper);
}
if (value2 != value) {
scroll->set_value(value2);
}
@@ -1010,6 +1020,9 @@ bool MyScrolledToolbar::on_scroll_event (GdkEventScroll* event)
double step = adjust->get_step_increment() * 2;
double value2 = 0.;
printf("MyScrolledToolbar::on_scroll_event / delta_x=%.5f, delta_y=%.5f, direction=%d, type=%d, send_event=%d\n",
event->delta_x, event->delta_y, (int)event->direction, (int)event->type, event->send_event);
if (event->direction == GDK_SCROLL_DOWN) {
value2 = rtengine::min<double>(value + step, upper);
if (value2 != value) {
@@ -1057,11 +1070,14 @@ MyComboBoxText::MyComboBoxText (bool has_entry) : Gtk::ComboBoxText(has_entry)
minimumWidth = naturalWidth = 70;
Gtk::CellRendererText* cellRenderer = dynamic_cast<Gtk::CellRendererText*>(get_first_cell());
cellRenderer->property_ellipsize() = Pango::ELLIPSIZE_MIDDLE;
add_events(Gdk::SCROLL_MASK|Gdk::SMOOTH_SCROLL_MASK);
}
bool MyComboBoxText::on_scroll_event (GdkEventScroll* event)
{
printf("MyComboboxText::on_scroll_event / delta_x=%.5f, delta_y=%.5f, direction=%d, type=%d, send_event=%d\n",
event->delta_x, event->delta_y, (int)event->direction, (int)event->type, event->send_event);
// If Shift is pressed, the widget is modified
if (event->state & GDK_SHIFT_MASK) {
Gtk::ComboBoxText::on_scroll_event(event);
@@ -1219,6 +1235,8 @@ bool MySpinButton::on_scroll_event (GdkEventScroll* event)
bool MyHScale::on_scroll_event (GdkEventScroll* event)
{
printf("MyHScale::on_scroll_event / delta_x=%.5f, delta_y=%.5f, direction=%d, type=%d, send_event=%d\n",
event->delta_x, event->delta_y, (int)event->direction, (int)event->type, event->send_event);
// If Shift is pressed, the widget is modified
if (event->state & GDK_SHIFT_MASK) {
Gtk::HScale::on_scroll_event(event);
@@ -1343,7 +1361,7 @@ void MyFileChooserButton::set_filter(const Glib::RefPtr<Gtk::FileFilter> &filter
{
cur_filter_ = filter;
}
std::vector<Glib::RefPtr<Gtk::FileFilter>> MyFileChooserButton::list_filters()
{