diff options
Diffstat (limited to 'xorg-server/dix/getevents.c')
| -rw-r--r-- | xorg-server/dix/getevents.c | 168 |
1 files changed, 109 insertions, 59 deletions
diff --git a/xorg-server/dix/getevents.c b/xorg-server/dix/getevents.c index c42971592..874189f57 100644 --- a/xorg-server/dix/getevents.c +++ b/xorg-server/dix/getevents.c @@ -693,7 +693,7 @@ UpdateFromMaster(InternalEvent* events, DeviceIntPtr dev, int type, int *num_eve * @param mask Valuator data for this event. */ static void -moveAbsolute(DeviceIntPtr dev, ValuatorMask *mask) +clipAbsolute(DeviceIntPtr dev, ValuatorMask *mask) { int i; @@ -713,7 +713,7 @@ moveAbsolute(DeviceIntPtr dev, ValuatorMask *mask) * Move the device's pointer by the values given in @valuators. * * @param dev The device whose pointer is to be moved. - * @param mask Valuator data for this event. + * @param[in,out] mask Valuator data for this event, modified in-place. */ static void moveRelative(DeviceIntPtr dev, ValuatorMask *mask) @@ -753,6 +753,37 @@ accelPointer(DeviceIntPtr dev, ValuatorMask* valuators, CARD32 ms) } /** + * Scale from absolute screen coordinates to absolute coordinates in the + * device's coordinate range. + * + * @param dev The device to scale for. + * @param[in, out] mask The mask in sceen coordinates, modified in place to + * contain device coordinate range. + */ +static void +scale_from_screen(DeviceIntPtr dev, ValuatorMask *mask) +{ + double scaled; + ScreenPtr scr = miPointerGetScreen(dev); + + if (valuator_mask_isset(mask, 0)) + { + scaled = rescaleValuatorAxis(valuator_mask_get_double(mask, 0), + NULL, dev->valuator->axes + 0, + scr->width); + valuator_mask_set_double(mask, 0, scaled); + } + if (valuator_mask_isset(mask, 1)) + { + scaled = rescaleValuatorAxis(valuator_mask_get_double(mask, 1), + NULL, dev->valuator->axes + 1, + scr->height); + valuator_mask_set_double(mask, 1, scaled); + } +} + + +/** * If we have HW cursors, this actually moves the visible sprite. If not, we * just do all the screen crossing, etc. * @@ -760,25 +791,26 @@ accelPointer(DeviceIntPtr dev, ValuatorMask* valuators, CARD32 ms) * miPointerSetPosition() and then scale back into device coordinates (if * needed). miPSP will change x/y if the screen was crossed. * - * The coordinates provided are always absolute. The parameter mode whether - * it was relative or absolute movement that landed us at those coordinates. + * The coordinates provided are always absolute. The parameter mode + * specifies whether it was relative or absolute movement that landed us at + * those coordinates. * * @param dev The device to be moved. * @param mode Movement mode (Absolute or Relative) - * @param scr Screen the device's sprite is currently on. * @param mask Mask of axis values for this event * @param screenx Screen x coordinate the sprite is on after the update. * @param screeny Screen y coordinate the sprite is on after the update. */ -static void -positionSprite(DeviceIntPtr dev, int mode, ScreenPtr scr, ValuatorMask *mask, +static ScreenPtr +positionSprite(DeviceIntPtr dev, int mode, ValuatorMask *mask, double *screenx, double *screeny) { - int isx, isy; /* screen {x, y}, in int */ double x, y; + double tmpx, tmpy; + ScreenPtr scr = miPointerGetScreen(dev); if (!dev->valuator || dev->valuator->numAxes < 2) - return; + return scr; if (valuator_mask_isset(mask, 0)) x = valuator_mask_get_double(mask, 0); @@ -795,38 +827,30 @@ positionSprite(DeviceIntPtr dev, int mode, ScreenPtr scr, ValuatorMask *mask, *screeny = rescaleValuatorAxis(y, dev->valuator->axes + 1, NULL, scr->height); + tmpx = *screenx; + tmpy = *screeny; /* miPointerSetPosition takes care of crossing screens for us, as well as - * clipping to the current screen. In the event we actually change screen, - * we just drop the float component on the floor, then convert from - * screenx back into device co-ordinates. */ - isx = trunc(*screenx); - isy = trunc(*screeny); - miPointerSetPosition(dev, mode, &isx, &isy); - scr = miPointerGetScreen(dev); - if (isx != trunc(*screenx)) - { - *screenx -= trunc(*screenx) - isx; + * clipping to the current screen. */ + scr = miPointerSetPosition(dev, mode, screenx, screeny); + + /* If we were constrained, rescale x/y from the screen coordinates so + * the device valuators reflect the correct position. For screen + * crossing this doesn't matter much, the coords would be 0 or max. + */ + if (tmpx != *screenx) x = rescaleValuatorAxis(*screenx, NULL, dev->valuator->axes + 0, scr->width); - } - if (isy != trunc(*screeny)) - { - *screeny -= trunc(*screeny) - isy; + if (tmpy != *screeny) y = rescaleValuatorAxis(*screeny, NULL, dev->valuator->axes + 1, scr->height); - } - /* Update the MD's co-ordinates, which are always in screen space. */ - if (!IsMaster(dev) || !IsFloating(dev)) { - DeviceIntPtr master = GetMaster(dev, MASTER_POINTER); - master->last.valuators[0] = *screenx; - master->last.valuators[1] = *screeny; - } if (valuator_mask_isset(mask, 0)) valuator_mask_set_double(mask, 0, x); if (valuator_mask_isset(mask, 1)) valuator_mask_set_double(mask, 1, y); + + return scr; } /** @@ -859,6 +883,15 @@ queueEventList(DeviceIntPtr device, InternalEvent *events, int nevents) mieqEnqueue(device, &events[i]); } +static void +event_set_root_coordinates(DeviceEvent* event, double x, double y) +{ + event->root_x = trunc(x); + event->root_y = trunc(y); + event->root_x_frac = x - trunc(x); + event->root_y_frac = y - trunc(y); +} + /** * Generate internal events representing this keyboard event and enqueue * them on the event queue. @@ -910,6 +943,11 @@ GetKeyboardEvents(InternalEvent *events, DeviceIntPtr pDev, int type, (key_code < 8 || key_code > 255)) return 0; + if (mask_in && valuator_mask_size(mask_in) > 1) { + ErrorF("[dix] the server does not handle valuator masks with " + "keyboard events. This is a bug. You may fix it.\n"); + } + num_events = 1; events = UpdateFromMaster(events, pDev, DEVCHANGE_KEYBOARD_EVENT, &num_events); @@ -956,6 +994,13 @@ GetKeyboardEvents(InternalEvent *events, DeviceIntPtr pDev, int type, set_valuators(pDev, event, &mask); + if (!IsFloating(pDev)) { + DeviceIntPtr master = GetMaster(pDev, MASTER_POINTER); + event_set_root_coordinates(event, + master->last.valuators[0], + master->last.valuators[1]); + } + return num_events; } @@ -999,6 +1044,14 @@ transform(struct pixman_f_transform *m, double *x, double *y) *y = p.v[1]; } +/** + * Apply the device's transformation matrix to the valuator mask and replace + * the scaled values in mask. This transformation only applies to valuators + * 0 and 1, others will be untouched. + * + * @param dev The device the valuators came from + * @param[in,out] mask The valuator mask. + */ static void transformAbsolute(DeviceIntPtr dev, ValuatorMask *mask) { @@ -1063,12 +1116,16 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type, DeviceEvent *event; RawDeviceEvent *raw; double screenx = 0.0, screeny = 0.0; - ScreenPtr scr = miPointerGetScreen(pDev); ValuatorMask mask; switch (type) { case MotionNotify: + if (!pDev->valuator) + { + ErrorF("[dix] motion events from device %d without valuators\n", pDev->id); + return 0; + } if (!mask_in || valuator_mask_num_valuators(mask_in) <= 0) return 0; break; @@ -1076,6 +1133,11 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type, case ButtonRelease: if (!pDev->button || !buttons) return 0; + if (mask_in && valuator_mask_size(mask_in) > 0 && !pDev->valuator) + { + ErrorF("[dix] button event with valuator from device %d without valuators\n", pDev->id); + return 0; + } break; default: return 0; @@ -1096,27 +1158,10 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type, if (flags & POINTER_ABSOLUTE) { if (flags & POINTER_SCREEN) /* valuators are in screen coords */ - { - double scaled; - - if (valuator_mask_isset(&mask, 0)) - { - scaled = rescaleValuatorAxis(valuator_mask_get_double(&mask, 0), - NULL, pDev->valuator->axes + 0, - scr->width); - valuator_mask_set_double(&mask, 0, scaled); - } - if (valuator_mask_isset(&mask, 1)) - { - scaled = rescaleValuatorAxis(valuator_mask_get_double(&mask, 1), - NULL, pDev->valuator->axes + 1, - scr->height); - valuator_mask_set_double(&mask, 1, scaled); - } - } + scale_from_screen(pDev, &mask); transformAbsolute(pDev, &mask); - moveAbsolute(pDev, &mask); + clipAbsolute(pDev, &mask); } else { if (flags & POINTER_ACCELERATE) accelPointer(pDev, &mask, ms); @@ -1126,7 +1171,7 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type, if ((flags & POINTER_NORAW) == 0) set_raw_valuators(raw, &mask, raw->valuators.data); - positionSprite(pDev, (flags & POINTER_ABSOLUTE) ? Absolute : Relative, scr, + positionSprite(pDev, (flags & POINTER_ABSOLUTE) ? Absolute : Relative, &mask, &screenx, &screeny); updateHistory(pDev, &mask, ms); @@ -1138,6 +1183,13 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type, pDev->last.valuators[i] = valuator_mask_get_double(&mask, i); } + /* Update the MD's co-ordinates, which are always in screen space. */ + if (!IsMaster(pDev) || !IsFloating(pDev)) { + DeviceIntPtr master = GetMaster(pDev, MASTER_POINTER); + master->last.valuators[0] = screenx; + master->last.valuators[1] = screeny; + } + event = &events->device_event; init_device_event(event, pDev, ms); @@ -1158,10 +1210,7 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type, } /* root_x and root_y must be in screen co-ordinates */ - event->root_x = trunc(screenx); - event->root_y = trunc(screeny); - event->root_x_frac = screenx - trunc(screenx); - event->root_y_frac = screeny - trunc(screeny); + event_set_root_coordinates(event, screenx, screeny); if (flags & POINTER_EMULATED) { raw->flags = XIPointerEmulated; @@ -1312,21 +1361,22 @@ GetPointerEvents(InternalEvent *events, DeviceIntPtr pDev, int type, double val, adj; int axis; + /* Up is negative on valuators, down positive */ switch (buttons) { case 4: - adj = 1.0; + adj = -1.0; axis = v_scroll_axis; break; case 5: - adj = -1.0; + adj = 1.0; axis = v_scroll_axis; break; case 6: - adj = 1.0; + adj = -1.0; axis = h_scroll_axis; break; case 7: - adj = -1.0; + adj = 1.0; axis = h_scroll_axis; break; default: |