TEST_F(InputEventBuilder, makes_valid_pointer_event)
{
MirPointerAction action = mir_pointer_action_enter;
auto depressed_buttons = mir_pointer_button_back | mir_pointer_button_tertiary;
float x_axis_value = 3.9, y_axis_value = 7.4, hscroll_value = .9, vscroll_value = .3;
auto const relative_x_value = 0.0;
auto const relative_y_value = 0.0;
auto ev = mev::make_event(device_id, timestamp, mac, modifiers,
action, depressed_buttons, x_axis_value, y_axis_value,
hscroll_value, vscroll_value, relative_x_value, relative_y_value);
auto e = ev.get();
EXPECT_EQ(mir_event_type_input, mir_event_get_type(e));
auto ie = mir_event_get_input_event(e);
EXPECT_EQ(mir_input_event_type_pointer, mir_input_event_get_type(ie));
auto pev = mir_input_event_get_pointer_event(ie);
EXPECT_EQ(modifiers, mir_pointer_event_modifiers(pev));
EXPECT_EQ(action, mir_pointer_event_action(pev));
EXPECT_EQ(mac, mir_pointer_event_get_cookie(pev).mac);
EXPECT_EQ(timestamp.count(), mir_pointer_event_get_cookie(pev).timestamp);
EXPECT_TRUE(mir_pointer_event_button_state(pev, mir_pointer_button_back));
EXPECT_TRUE(mir_pointer_event_button_state(pev, mir_pointer_button_tertiary));
EXPECT_FALSE(mir_pointer_event_button_state(pev, mir_pointer_button_primary));
EXPECT_FALSE(mir_pointer_event_button_state(pev, mir_pointer_button_secondary));
EXPECT_FALSE(mir_pointer_event_button_state(pev, mir_pointer_button_forward));
EXPECT_EQ(x_axis_value, mir_pointer_event_axis_value(pev, mir_pointer_axis_x));
EXPECT_EQ(y_axis_value, mir_pointer_event_axis_value(pev, mir_pointer_axis_y));
EXPECT_EQ(hscroll_value, mir_pointer_event_axis_value(pev, mir_pointer_axis_hscroll));
EXPECT_EQ(vscroll_value, mir_pointer_event_axis_value(pev, mir_pointer_axis_vscroll));
}
static guint
get_button_state (const MirPointerEvent *event)
{
guint state = 0;
if (mir_pointer_event_button_state (event, mir_pointer_button_primary)) /* left */
state |= GDK_BUTTON1_MASK;
if (mir_pointer_event_button_state (event, mir_pointer_button_secondary)) /* right */
state |= GDK_BUTTON3_MASK;
if (mir_pointer_event_button_state (event, mir_pointer_button_tertiary)) /* middle */
state |= GDK_BUTTON2_MASK;
return state;
}
void
_gdk_mir_print_motion_event (const MirInputEvent *event)
{
const MirPointerEvent *pointer_event = mir_input_event_get_pointer_event (event);
if (!pointer_event)
return;
g_printerr ("MOTION\n");
g_printerr (" Device %lld\n", (long long int) mir_input_event_get_device_id (event));
g_printerr (" Action ");
switch (mir_pointer_event_action (pointer_event))
{
case mir_pointer_action_button_down:
g_printerr ("down");
break;
case mir_pointer_action_button_up:
g_printerr ("up");
break;
case mir_pointer_action_enter:
g_printerr ("enter");
break;
case mir_pointer_action_leave:
g_printerr ("leave");
break;
case mir_pointer_action_motion:
g_printerr ("motion");
break;
default:
g_printerr ("%u", mir_pointer_event_action (pointer_event));
}
g_printerr ("\n");
_gdk_mir_print_modifiers (mir_pointer_event_modifiers (pointer_event));
g_printerr (" Button State");
if (mir_pointer_event_button_state (pointer_event, mir_pointer_button_primary))
g_printerr (" primary");
if (mir_pointer_event_button_state (pointer_event, mir_pointer_button_secondary))
g_printerr (" secondary");
if (mir_pointer_event_button_state (pointer_event, mir_pointer_button_tertiary))
g_printerr (" tertiary");
if (mir_pointer_event_button_state (pointer_event, mir_pointer_button_back))
g_printerr (" back");
if (mir_pointer_event_button_state (pointer_event, mir_pointer_button_forward))
g_printerr (" forward");
g_printerr ("\n");
g_printerr (" Offset (%f, %f)\n", mir_pointer_event_axis_value (pointer_event, mir_pointer_axis_x),
mir_pointer_event_axis_value (pointer_event, mir_pointer_axis_y));
g_printerr (" Event Time %lli\n", (long long int) mir_input_event_get_event_time (event));
}
static guint
mir_pointer_event_get_button_state (const MirPointerEvent *event)
{
guint button_state = 0;
if (mir_pointer_event_button_state (event, mir_pointer_button_primary))
button_state |= mir_pointer_button_primary;
if (mir_pointer_event_button_state (event, mir_pointer_button_secondary))
button_state |= mir_pointer_button_secondary;
if (mir_pointer_event_button_state (event, mir_pointer_button_tertiary))
button_state |= mir_pointer_button_tertiary;
if (mir_pointer_event_button_state (event, mir_pointer_button_back))
button_state |= mir_pointer_button_back;
if (mir_pointer_event_button_state (event, mir_pointer_button_forward))
button_state |= mir_pointer_button_forward;
return button_state;
}
bool me::WindowManager::handle_pointer_event(MirPointerEvent const* pev)
{
bool handled = false;
geometry::Point cursor{mir_pointer_event_axis_value(pev, mir_pointer_axis_x),
mir_pointer_event_axis_value(pev, mir_pointer_axis_y)};
auto action = mir_pointer_event_action(pev);
auto modifiers = mir_pointer_event_modifiers(pev);
auto vscroll = mir_pointer_event_axis_value(pev, mir_pointer_axis_vscroll);
auto primary_button_pressed = mir_pointer_event_button_state(pev, mir_pointer_button_primary);
auto tertiary_button_pressed = mir_pointer_event_button_state(pev, mir_pointer_button_tertiary);
float new_zoom_mag = 0.0f; // zero means unchanged
if (modifiers & mir_input_event_modifier_meta &&
action == mir_pointer_action_motion)
{
zoom_exponent += vscroll;
// Negative exponents do work too, but disable them until
// there's a clear edge to the desktop.
if (zoom_exponent < 0)
zoom_exponent = 0;
new_zoom_mag = powf(1.2f, zoom_exponent);
handled = true;
}
me::DemoCompositor::for_each(
[new_zoom_mag,&cursor](me::DemoCompositor& c)
{
if (new_zoom_mag > 0.0f)
c.zoom(new_zoom_mag);
c.on_cursor_movement(cursor);
});
if (zoom_exponent || new_zoom_mag)
force_redraw();
auto const surf = focus_controller->focused_surface();
if (surf &&
(modifiers & mir_input_event_modifier_alt) && (primary_button_pressed || tertiary_button_pressed))
{
// Start of a gesture: When the latest finger/button goes down
if (action == mir_pointer_action_button_down)
{
click = cursor;
save_edges(*surf, click);
handled = true;
}
else if (action == mir_pointer_action_motion)
{
geometry::Displacement drag = cursor - old_cursor;
if (tertiary_button_pressed)
{ // Resize by mouse middle button
resize(*surf, cursor);
}
else
{
surf->move_to(old_pos + drag);
}
handled = true;
}
old_pos = surf->top_left();
old_size = surf->size();
}
if (surf &&
(modifiers & mir_input_event_modifier_alt) &&
action == mir_pointer_action_motion &&
vscroll)
{
float alpha = surf->alpha();
alpha += 0.1f * vscroll;
if (alpha < 0.0f)
alpha = 0.0f;
else if (alpha > 1.0f)
alpha = 1.0f;
surf->set_alpha(alpha);
handled = true;
}
old_cursor = cursor;
return handled;
}
