feat(bar): add config flag for pointer event passthrough

This commit is contained in:
Aleksei Bavshin 2021-01-17 01:05:18 -08:00
parent f78a802d11
commit 729553d3bc
No known key found for this signature in database
GPG Key ID: 4F071603387A382A
2 changed files with 43 additions and 1 deletions

View File

@ -44,6 +44,7 @@ class BarSurface {
virtual void setExclusiveZone(bool enable) = 0;
virtual void setLayer(bar_layer layer) = 0;
virtual void setMargins(const struct bar_margins &margins) = 0;
virtual void setPassThrough(bool enable) = 0;
virtual void setPosition(const std::string_view &position) = 0;
virtual void setSize(uint32_t width, uint32_t height) = 0;
virtual void commit(){};

View File

@ -33,6 +33,7 @@ struct GLSSurfaceImpl : public BarSurface, public sigc::trackable {
gtk_layer_set_monitor(window_.gobj(), output.monitor->gobj());
gtk_layer_set_namespace(window_.gobj(), "waybar");
window.signal_map_event().connect_notify(sigc::mem_fun(*this, &GLSSurfaceImpl::onMap));
window.signal_configure_event().connect_notify(
sigc::mem_fun(*this, &GLSSurfaceImpl::onConfigure));
}
@ -62,6 +63,18 @@ struct GLSSurfaceImpl : public BarSurface, public sigc::trackable {
gtk_layer_set_layer(window_.gobj(), layer);
}
void setPassThrough(bool enable) override {
passthrough_ = enable;
auto gdk_window = window_.get_window();
if (gdk_window) {
Cairo::RefPtr<Cairo::Region> region;
if (enable) {
region = Cairo::Region::create();
}
gdk_window->input_shape_combine_region(region, 0, 0);
}
}
void setPosition(const std::string_view& position) override {
auto unanchored = GTK_LAYER_SHELL_EDGE_BOTTOM;
vertical_ = false;
@ -93,8 +106,11 @@ struct GLSSurfaceImpl : public BarSurface, public sigc::trackable {
std::string output_name_;
uint32_t width_;
uint32_t height_;
bool passthrough_ = false;
bool vertical_ = false;
void onMap(GdkEventAny* ev) { setPassThrough(passthrough_); }
void onConfigure(GdkEventConfigure* ev) {
/*
* GTK wants new size for the window.
@ -182,6 +198,20 @@ struct RawSurfaceImpl : public BarSurface, public sigc::trackable {
}
}
void setPassThrough(bool enable) override {
passthrough_ = enable;
/* GTK overwrites any region changes applied directly to the wl_surface,
* thus the same GTK region API as in the GLS impl has to be used. */
auto gdk_window = window_.get_window();
if (gdk_window) {
Cairo::RefPtr<Cairo::Region> region;
if (enable) {
region = Cairo::Region::create();
}
gdk_window->input_shape_combine_region(region, 0, 0);
}
}
void setPosition(const std::string_view& position) override {
anchor_ = HORIZONTAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
if (position == "bottom") {
@ -230,6 +260,7 @@ struct RawSurfaceImpl : public BarSurface, public sigc::trackable {
uint32_t height_ = 0;
uint8_t anchor_ = HORIZONTAL_ANCHOR | ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
bool exclusive_zone_ = true;
bool passthrough_ = false;
struct bar_margins margins_;
zwlr_layer_shell_v1_layer layer_ = ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;
@ -262,6 +293,7 @@ struct RawSurfaceImpl : public BarSurface, public sigc::trackable {
setSurfaceSize(width_, height_);
setExclusiveZone(exclusive_zone_);
setPassThrough(passthrough_);
commit();
wl_display_roundtrip(client->wl_display);
@ -377,6 +409,14 @@ waybar::Bar::Bar(struct waybar_output* w_output, const Json::Value& w_config)
layer_ = bar_layer::OVERLAY;
}
bool passthrough = false;
if (config["passthrough"].isBool()) {
passthrough = config["passthrough"].asBool();
} else if (layer_ == bar_layer::OVERLAY) {
// swaybar defaults: overlay mode does not accept pointer events.
passthrough = true;
}
auto position = config["position"].asString();
if (position == "right" || position == "left") {
@ -454,6 +494,7 @@ waybar::Bar::Bar(struct waybar_output* w_output, const Json::Value& w_config)
surface_impl_->setLayer(layer_);
surface_impl_->setExclusiveZone(true);
surface_impl_->setMargins(margins_);
surface_impl_->setPassThrough(passthrough);
surface_impl_->setPosition(position);
surface_impl_->setSize(width, height);