VolumeView: Change volume immediately
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c38c84b296
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5e8a753ef3
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@ -15,6 +15,8 @@
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// The same color MediaPlayer uses, interface/VolumeSlider
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static const rgb_color kVolumeGreen = (rgb_color){ 116, 224, 0, 255 };
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static const uint32 VOLUME_CHANGED = 'vvch';
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VolumeView::VolumeView(BRect frame)
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:
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@ -24,6 +26,7 @@ VolumeView::VolumeView(BRect frame)
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fSlider = new BSlider(frame, "volumeSlider", NULL, NULL, 0, 1000, B_HORIZONTAL, B_BLOCK_THUMB,
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B_FOLLOW_LEFT_RIGHT);
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fSlider->SetModificationMessage(new BMessage(VOLUME_CHANGED));
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fSlider->UseFillColor(true, &kVolumeGreen);
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fSlider->SetViewColor(B_TRANSPARENT_COLOR);
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AddChild(fSlider);
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@ -37,6 +40,8 @@ VolumeView::VolumeView(BMessage* data)
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ReplicantView(data)
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{
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fSlider = dynamic_cast<BSlider*>(FindView("volumeSlider"));
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if (fSlider->IsHidden())
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fSlider->Show();
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_Init();
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}
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@ -61,18 +66,31 @@ VolumeView::Instantiate(BMessage* data)
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}
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void
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VolumeView::AttachedToWindow()
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{
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fSlider->SetTarget(this);
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}
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void
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VolumeView::MessageReceived(BMessage* msg)
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{
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if (msg->what != B_MOUSE_WHEEL_CHANGED || !fSlider->IsEnabled()) {
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ReplicantView::MessageReceived(msg);
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return;
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}
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float scroll = 0.0f;
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if ((msg->FindFloat("be:wheel_delta_x", &scroll) == B_OK && scroll != 0.0f)
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|| (msg->FindFloat("be:wheel_delta_y", &scroll) == B_OK && scroll != 0.0f)) {
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fSlider->SetPosition(fSlider->Position() + scroll * -0.03);
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switch (msg->what) {
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case VOLUME_CHANGED:
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fMediaPlayer->SetVolume(_PositionToVolume(fSlider->Position()));
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break;
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case B_MOUSE_WHEEL_CHANGED:
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{
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float scroll = 0.0f;
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if ((msg->FindFloat("be:wheel_delta_x", &scroll) == B_OK && scroll != 0.0f)
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|| (msg->FindFloat("be:wheel_delta_y", &scroll) == B_OK && scroll != 0.0f))
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fSlider->SetPosition(fSlider->Position() + scroll * -0.03);
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fMediaPlayer->SetVolume(_PositionToVolume(fSlider->Position()));
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break;
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}
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default:
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ReplicantView::MessageReceived(msg);
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}
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}
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@ -80,17 +98,12 @@ VolumeView::MessageReceived(BMessage* msg)
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void
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VolumeView::Pulse()
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{
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if (fSlider->Position() != fLastPos)
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fMediaPlayer->SetVolume(_PositionToVolume(fSlider->Position()));
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float volume = fMediaPlayer->Volume();
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if (volume > 0) {
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SetInactive(false);
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fSlider->SetPosition(_VolumeToPosition(volume));
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} else
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SetInactive(true);
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fLastPos = fSlider->Position();
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}
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@ -115,7 +128,6 @@ VolumeView::_Init()
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fSlider->GetPreferredSize(NULL, &height);
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SetExplicitMaxSize(BSize(B_SIZE_UNSET, height + 16));
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fLastPos = 0;
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Pulse();
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}
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@ -18,6 +18,8 @@ public:
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virtual status_t Archive(BMessage* data, bool deep = true) const;
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static VolumeView* Instantiate(BMessage* data);
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void AttachedToWindow();
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virtual void MessageReceived(BMessage* msg);
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virtual void Pulse();
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@ -30,7 +32,6 @@ private:
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float _PositionToVolume(float position);
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BSlider* fSlider;
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float fLastPos;
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};
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#endif // VOLUMEVIEW_H
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