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x11/skia: Add support for horizontal mouse wheel

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This commit is contained in:
David Capello 2017-04-21 14:21:42 -03:00
parent d08674704d
commit 4542deaa0a
1 changed files with 17 additions and 2 deletions
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19
src/she/x11/window.cpp
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@ -39,7 +39,22 @@ KeyModifiers get_modifiers_from_x(int state)
bool is_mouse_wheel_button(int button)
{
return (button == Button4 || button == Button5);
return (button == Button4 || button == Button5 ||
button == 6 || button == 7);
}
gfx::Point get_mouse_wheel_delta(int button)
{
gfx::Point delta(0, 0);
switch (button) {
// Vertical wheel
case Button4: delta.y = -1; break;
case Button5: delta.y = +1; break;
// Horizontal wheel
case 6: delta.x = -1; break;
case 7: delta.x = +1; break;
}
return delta;
}
Event::MouseButton get_mouse_button_from_x(int button)
@ -213,7 +228,7 @@ void X11Window::processX11Event(XEvent& event)
if (is_mouse_wheel_button(event.xbutton.button)) {
ev.setType(Event::MouseWheel);
ev.setWheelDelta(gfx::Point(0, event.xbutton.button == Button4 ? -1: 1));
ev.setWheelDelta(get_mouse_wheel_delta(event.xbutton.button));
}
else {
ev.setType(event.type == ButtonPress? Event::MouseDown: