301 lines
9.4 KiB
Rust
301 lines
9.4 KiB
Rust
use app_state::*;
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use audio::*;
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use errors::*;
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use gdk::DeviceExt;
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use gdk::{GrabOwnership, GrabStatus, BUTTON_PRESS_MASK, KEY_PRESS_MASK};
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use gdk;
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use gdk_sys::{GDK_KEY_Escape, GDK_CURRENT_TIME};
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use glib;
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use gtk::ToggleButtonExt;
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use gtk::prelude::*;
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use gtk;
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use prefs::*;
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use std::cell::Cell;
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use std::rc::Rc;
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use support_audio::*;
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use support_cmd::*;
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pub struct PopupWindow {
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_cant_construct: (),
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pub popup_window: gtk::Window,
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pub vol_scale_adj: gtk::Adjustment,
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pub vol_scale: gtk::Scale,
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pub mute_check: gtk::CheckButton,
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pub mixer_button: gtk::Button,
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pub toggle_signal: Cell<u64>,
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pub changed_signal: Cell<u64>,
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}
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impl PopupWindow {
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pub fn new(builder: gtk::Builder) -> PopupWindow {
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return PopupWindow {
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_cant_construct: (),
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popup_window: builder.get_object("popup_window").unwrap(),
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vol_scale_adj: builder.get_object("vol_scale_adj").unwrap(),
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vol_scale: builder.get_object("vol_scale").unwrap(),
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mute_check: builder.get_object("mute_check").unwrap(),
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mixer_button: builder.get_object("mixer_button").unwrap(),
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toggle_signal: Cell::new(0),
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changed_signal: Cell::new(0),
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};
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}
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pub fn update(&self, audio: &Audio) -> Result<()> {
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let cur_vol = audio.vol()?;
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set_slider(&self.vol_scale_adj, cur_vol);
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self.update_mute_check(&audio);
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return Ok(());
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}
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pub fn update_mute_check(&self, audio: &Audio) {
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let m_muted = audio.get_mute();
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glib::signal_handler_block(&self.mute_check, self.toggle_signal.get());
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match m_muted {
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Ok(val) => {
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self.mute_check.set_sensitive(true);
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self.mute_check.set_active(val);
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self.mute_check.set_tooltip_text("");
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}
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Err(_) => {
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/* can't figure out whether channel is muted, grey out */
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self.mute_check.set_active(true);
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self.mute_check.set_sensitive(false);
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self.mute_check.set_tooltip_text(
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"Soundcard has no mute switch",
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);
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}
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}
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glib::signal_handler_unblock(&self.mute_check,
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self.toggle_signal.get());
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}
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fn set_vol_increment(&self, prefs: &Prefs) {
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self.vol_scale_adj
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.set_page_increment(prefs.behavior_prefs.vol_scroll_step);
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self.vol_scale_adj
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.set_step_increment(prefs.behavior_prefs.vol_fine_scroll_step);
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}
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}
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pub fn init_popup_window(appstate: Rc<AppS>) {
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/* audio.connect_handler */
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{
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let apps = appstate.clone();
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appstate.audio.connect_handler(Box::new(move |s, u| {
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/* skip if window is hidden */
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if !apps.gui
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.popup_window
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.popup_window
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.get_visible() {
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return;
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}
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match (s, u) {
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/* Update only mute check here
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* If the user changes the volume through the popup window,
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* we MUST NOT update the slider value, it's been done already.
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* It means that, as long as the popup window is visible,
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* the slider value reflects the value set by user,
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* and not the real value reported by the audio system.
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*/
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(_, AudioUser::Popup) => {
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apps.gui.popup_window.update_mute_check(&apps.audio);
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}
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/* external change, safe to update slider too */
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(_, _) => {
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try_w!(apps.gui.popup_window.update(&apps.audio));
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}
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}
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}));
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}
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/* mute_check.connect_toggled */
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{
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let _appstate = appstate.clone();
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let mute_check = &appstate.clone()
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.gui
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.popup_window
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.mute_check;
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let toggle_signal =
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mute_check.connect_toggled(move |_| {
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on_mute_check_toggled(&_appstate)
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});
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appstate.gui
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.popup_window
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.toggle_signal
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.set(toggle_signal);
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}
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/* popup_window.connect_show */
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{
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let _appstate = appstate.clone();
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let popup_window = &appstate.clone()
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.gui
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.popup_window
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.popup_window;
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popup_window.connect_show(move |_| on_popup_window_show(&_appstate));
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}
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/* vol_scale_adj.connect_value_changed */
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{
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let _appstate = appstate.clone();
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let vol_scale_adj = &appstate.clone()
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.gui
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.popup_window
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.vol_scale_adj;
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let changed_signal = vol_scale_adj.connect_value_changed(
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move |_| on_vol_scale_value_changed(&_appstate),
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);
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appstate.gui
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.popup_window
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.changed_signal
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.set(changed_signal);
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}
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/* popup_window.connect_event */
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{
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let popup_window = &appstate.clone()
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.gui
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.popup_window
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.popup_window;
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popup_window.connect_event(move |w, e| on_popup_window_event(w, e));
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}
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/* mixer_button.connect_clicked */
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{
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let apps = appstate.clone();
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let mixer_button = &appstate.clone()
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.gui
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.popup_window
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.mixer_button;
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mixer_button.connect_clicked(move |_| {
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apps.gui
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.popup_window
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.popup_window
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.hide();
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try_w!(execute_vol_control_command(&apps.prefs.borrow()));
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});
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}
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}
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fn on_popup_window_show(appstate: &AppS) {
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let popup_window = &appstate.gui.popup_window;
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appstate.gui.popup_window.set_vol_increment(&appstate.prefs.borrow());
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glib::signal_handler_block(&popup_window.vol_scale_adj,
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popup_window.changed_signal.get());
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try_w!(appstate.gui.popup_window.update(&appstate.audio));
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glib::signal_handler_unblock(&popup_window.vol_scale_adj,
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popup_window.changed_signal.get());
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popup_window.vol_scale.grab_focus();
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try_w!(grab_devices(&appstate.gui.popup_window.popup_window));
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}
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fn on_popup_window_event(w: >k::Window, e: &gdk::Event) -> gtk::Inhibit {
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match gdk::Event::get_event_type(e) {
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gdk::EventType::GrabBroken => w.hide(),
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gdk::EventType::KeyPress => {
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let key: gdk::EventKey = e.clone().downcast().unwrap();
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if key.get_keyval() == (GDK_KEY_Escape as u32) {
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w.hide();
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}
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}
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gdk::EventType::ButtonPress => {
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let device = try_wr!(
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gtk::get_current_event_device().ok_or(
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"No current event device!",
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),
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Inhibit(false)
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);
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let (window, _, _) =
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gdk::DeviceExt::get_window_at_position(&device);
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if window.is_none() {
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w.hide();
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}
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}
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_ => (),
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}
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return Inhibit(false);
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}
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fn on_vol_scale_value_changed(appstate: &AppS) {
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let audio = &appstate.audio;
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let old_vol = try_w!(audio.vol());
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let val = appstate.gui
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.popup_window
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.vol_scale
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.get_value();
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let dir = vol_change_to_voldir(old_vol, val);
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try_w!(audio.set_vol(val,
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AudioUser::Popup,
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dir,
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appstate.prefs
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.borrow()
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.behavior_prefs
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.unmute_on_vol_change));
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}
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fn on_mute_check_toggled(appstate: &AppS) {
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let audio = &appstate.audio;
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try_w!(audio.toggle_mute(AudioUser::Popup))
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}
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pub fn set_slider(vol_scale_adj: >k::Adjustment, scale: f64) {
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vol_scale_adj.set_value(scale);
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}
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fn grab_devices(window: >k::Window) -> Result<()> {
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let device = gtk::get_current_event_device().ok_or("No current device")?;
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let gdk_window = window.get_window().ok_or("No window?!")?;
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/* Grab the mouse */
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let m_grab_status =
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device.grab(&gdk_window,
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GrabOwnership::None,
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true,
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BUTTON_PRESS_MASK,
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None,
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GDK_CURRENT_TIME as u32);
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if m_grab_status != GrabStatus::Success {
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warn!("Could not grab {}",
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device.get_name().unwrap_or(String::from("UNKNOWN DEVICE")));
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}
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/* Grab the keyboard */
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let k_dev = device.get_associated_device()
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.ok_or("Couldn't get associated device")?;
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let k_grab_status = k_dev.grab(&gdk_window,
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GrabOwnership::None,
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true,
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KEY_PRESS_MASK,
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None,
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GDK_CURRENT_TIME as u32);
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if k_grab_status != GrabStatus::Success {
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warn!("Could not grab {}",
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k_dev.get_name().unwrap_or(String::from("UNKNOWN DEVICE")));
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}
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return Ok(());
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}
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