/**
* This idle function allows progressive scanning of visibility etc
*/
bool
GlueMapWindow::Idle()
{
if (!render_projection.IsValid())
return false;
if (idle_robin == unsigned(-1)) {
/* draw the first frame as quickly as possible, so the user can
start interacting with XCSoar immediately */
idle_robin = 2;
return true;
}
if (!IsUserIdle(2500))
/* don't hold back the UI thread while the user is interacting */
return true;
PeriodClock clock;
clock.Update();
bool still_dirty;
bool topography_dirty = true; /* scan topography in every Idle() call */
bool terrain_dirty = true;
bool weather_dirty = true;
do {
idle_robin = (idle_robin + 1) % 3;
switch (idle_robin) {
case 0:
topography_dirty = UpdateTopography(1) > 0;
break;
case 1:
terrain_dirty = UpdateTerrain();
break;
case 2:
weather_dirty = UpdateWeather();
break;
}
still_dirty = terrain_dirty || topography_dirty || weather_dirty;
} while (!clock.Check(700) && /* stop after 700ms */
#ifndef ENABLE_OPENGL
!draw_thread->IsTriggered() &&
#endif
IsUserIdle(2500) &&
still_dirty);
return still_dirty;
}
gcc_pure
static unsigned
GetQuantisation()
{
if (IsUserIdle(2000))
/* full terrain resolution when the user is idle */
return 1;
else if (IsUserIdle(1000))
/* reduced terrain resolution when the user has interacted with
XCSoar recently */
return 2;
else
/* the user is actively operating XCSoar: reduce UI latency */
return Layout::FastScale(2);
}
/**
* This idle function allows progressive scanning of visibility etc
*/
bool
GlueMapWindow::Idle()
{
if (!render_projection.IsValid())
return false;
if (skip_idle) {
/* draw the first frame as quickly as possible, so the user can
start interacting with XCSoar immediately */
skip_idle = false;
return true;
}
/* hack: update RASP weather maps as quickly as possible; they only
ever need to be updated after the user has selected a new map, so
this is not a UI latency problem (quite contrary, don't let the
user wait until he sees the new map) */
UpdateWeather();
if (!IsUserIdle(2500))
/* don't hold back the UI thread while the user is interacting */
return true;
PeriodClock clock;
clock.Update();
bool still_dirty;
do {
still_dirty = UpdateWeather() || UpdateTerrain();
} while (!clock.Check(700) && /* stop after 700ms */
#ifndef ENABLE_OPENGL
!draw_thread->IsTriggered() &&
#endif
IsUserIdle(2500) &&
still_dirty);
return still_dirty;
}
bool
GlueMapWindow::OnTimer(WindowTimer &timer)
{
if (timer == map_item_timer) {
map_item_timer.Cancel();
if (!InputEvents::IsDefault() && !IsPanning()) {
InputEvents::HideMenu();
return true;
}
ShowMapItems(drag_start_geopoint, false);
return true;
#ifdef ENABLE_OPENGL
} else if (timer == kinetic_timer) {
if (kinetic_x.IsSteady() && kinetic_y.IsSteady()) {
kinetic_timer.Cancel();
} else {
auto location = drag_projection.ScreenToGeo(kinetic_x.GetPosition(),
kinetic_y.GetPosition());
location = drag_projection.GetGeoLocation() +
drag_start_geopoint - location;
SetLocation(location);
QuickRedraw();
}
return true;
} else if (timer == data_timer) {
if (!IsUserIdle(2500))
/* user is still active; try again later */
return true;
Invalidate();
return false;
#endif
} else
return MapWindow::OnTimer(timer);
}
VOID CALLBACK IdleTimer(HWND, UINT, UINT_PTR idEvent, DWORD)
{
if (hTimer == idEvent && !g_bWindowHidden && ((g_wMaskAdv & (OPT_HIDEIFWINIDLE | OPT_HIDEIFMIRIDLE) && IsUserIdle()) ||
(g_wMaskAdv & OPT_HIDEIFSCRSVR) && IsScreenSaverRunning()))
BossKeyHideMiranda(0, 0);
}
