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ALabel: add smooth-scrolling-threshold

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Patrick Hilhorst 2019-06-11 17:56:10 +02:00
parent ed4521d113
commit ae397c8fa2
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2 changed files with 16 additions and 3 deletions
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1
include/ALabel.hpp
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@ -36,6 +36,7 @@ class ALabel : public IModule {
private: private:
std::vector<int> pid_; std::vector<int> pid_;
gdouble distance_scrolled_;
}; };
} // namespace waybar } // namespace waybar

16
src/ALabel.cpp
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@ -98,11 +98,23 @@ bool waybar::ALabel::handleScroll(GdkEventScroll* e) {
if (e->direction == GDK_SCROLL_SMOOTH) { if (e->direction == GDK_SCROLL_SMOOTH) {
gdouble delta_x, delta_y; gdouble delta_x, delta_y;
gdk_event_get_scroll_deltas(reinterpret_cast<const GdkEvent *>(e), &delta_x, &delta_y); gdk_event_get_scroll_deltas(reinterpret_cast<const GdkEvent *>(e), &delta_x, &delta_y);
if (delta_y < 0) { distance_scrolled_ += delta_y;
gdouble threshold = 0;
if (config_["smooth-scrolling-threshold"].isNumeric()) {
threshold = config_["smooth-scrolling-threshold"].asDouble();
}
if (distance_scrolled_ < -threshold) {
direction_up = true; direction_up = true;
} else if (delta_y > 0) { } else if (distance_scrolled_ > threshold) {
direction_up = false; direction_up = false;
} }
if(abs(distance_scrolled_) > threshold) {
distance_scrolled_ = 0;
} else {
// Don't execute the action if we haven't met the threshold!
return false;
}
} }
if (direction_up && config_["on-scroll-up"].isString()) { if (direction_up && config_["on-scroll-up"].isString()) {
pid_.push_back(util::command::forkExec(config_["on-scroll-up"].asString())); pid_.push_back(util::command::forkExec(config_["on-scroll-up"].asString()));