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-rw-r--r--xorg-server/dix/devices.c14
-rw-r--r--xorg-server/dix/dispatch.c10
-rw-r--r--xorg-server/dix/getevents.c142
-rw-r--r--xorg-server/dix/inpututils.c24
4 files changed, 148 insertions, 42 deletions
diff --git a/xorg-server/dix/devices.c b/xorg-server/dix/devices.c
index 7c196e077..da817a8af 100644
--- a/xorg-server/dix/devices.c
+++ b/xorg-server/dix/devices.c
@@ -612,6 +612,7 @@ CorePointerProc(DeviceIntPtr pDev, int what)
int i = 0;
Atom btn_labels[NBUTTONS] = {0};
Atom axes_labels[NAXES] = {0};
+ ScreenPtr scr = screenInfo.screens[0];
switch (what) {
case DEVICE_INIT:
@@ -638,10 +639,11 @@ CorePointerProc(DeviceIntPtr pDev, int what)
pDev->name);
return BadAlloc; /* IPDS only fails on allocs */
}
- pDev->valuator->axisVal[0] = screenInfo.screens[0]->width / 2;
- pDev->last.valuators[0] = pDev->valuator->axisVal[0];
- pDev->valuator->axisVal[1] = screenInfo.screens[0]->height / 2;
- pDev->last.valuators[1] = pDev->valuator->axisVal[1];
+ /* axisVal is per-screen, last.valuators is desktop-wide */
+ pDev->valuator->axisVal[0] = scr->width / 2;
+ pDev->last.valuators[0] = pDev->valuator->axisVal[0] + scr->x;
+ pDev->valuator->axisVal[1] = scr->height / 2;
+ pDev->last.valuators[1] = pDev->valuator->axisVal[1] + scr->y;
break;
case DEVICE_CLOSE:
@@ -985,6 +987,8 @@ CloseDownDevices(void)
{
DeviceIntPtr dev;
+ OsBlockSignals();
+
/* Float all SDs before closing them. Note that at this point resources
* (e.g. cursors) have been freed already, so we can't just call
* AttachDevice(NULL, dev, NULL). Instead, we have to forcibly set master
@@ -1007,6 +1011,8 @@ CloseDownDevices(void)
inputInfo.keyboard = NULL;
inputInfo.pointer = NULL;
XkbDeleteRulesDflts();
+
+ OsReleaseSignals();
}
/**
diff --git a/xorg-server/dix/dispatch.c b/xorg-server/dix/dispatch.c
index 43cb4d1d3..6e3361573 100644
--- a/xorg-server/dix/dispatch.c
+++ b/xorg-server/dix/dispatch.c
@@ -2029,6 +2029,14 @@ DoGetImage(ClientPtr client, int format, Drawable drawable,
if (!pWin->viewable)
return BadMatch;
+ /* If the drawable is a window, the rectangle must be contained within
+ * its bounds (including the border). */
+ if (x < -wBorderWidth(pWin) ||
+ x + width > wBorderWidth(pWin) + (int)pDraw->width ||
+ y < -wBorderWidth(pWin) ||
+ y + height > wBorderWidth(pWin) + (int)pDraw->height)
+ return BadMatch;
+
relx += pDraw->x;
rely += pDraw->y;
@@ -3898,6 +3906,8 @@ AddScreen(
return -1;
}
+ update_desktop_dimensions();
+
dixRegisterScreenPrivateKey(&cursorScreenDevPriv, pScreen, PRIVATE_CURSOR, 0);
return i;
diff --git a/xorg-server/dix/getevents.c b/xorg-server/dix/getevents.c
index 4845a106c..df47b2b95 100644
--- a/xorg-server/dix/getevents.c
+++ b/xorg-server/dix/getevents.c
@@ -257,10 +257,10 @@ CreateClassesChangedEvent(InternalEvent* event,
*/
static double
rescaleValuatorAxis(double coord, AxisInfoPtr from, AxisInfoPtr to,
- double defmax)
+ double defmin, double defmax)
{
- double fmin = 0.0, fmax = defmax;
- double tmin = 0.0, tmax = defmax;
+ double fmin = defmin, fmax = defmax;
+ double tmin = defmin, tmax = defmax;
if (from && from->min_value < from->max_value) {
fmin = from->min_value;
@@ -295,7 +295,7 @@ updateSlaveDeviceCoords(DeviceIntPtr master, DeviceIntPtr pDev)
int i;
DeviceIntPtr lastSlave;
- /* master->last.valuators[0]/[1] is in screen coords and the actual
+ /* master->last.valuators[0]/[1] is in desktop-wide coords and the actual
* position of the pointer */
pDev->last.valuators[0] = master->last.valuators[0];
pDev->last.valuators[1] = master->last.valuators[1];
@@ -309,14 +309,14 @@ updateSlaveDeviceCoords(DeviceIntPtr master, DeviceIntPtr pDev)
pDev->last.valuators[0] = rescaleValuatorAxis(pDev->last.valuators[0],
NULL,
pDev->valuator->axes + 0,
- scr->width);
+ 0, scr->width);
}
if(pDev->valuator->numAxes > 1)
{
pDev->last.valuators[1] = rescaleValuatorAxis(pDev->last.valuators[1],
NULL,
pDev->valuator->axes + 1,
- scr->height);
+ 0, scr->height);
}
/* calculate the other axis as well based on info from the old
@@ -333,7 +333,7 @@ updateSlaveDeviceCoords(DeviceIntPtr master, DeviceIntPtr pDev)
{
double val = pDev->last.valuators[i];
val = rescaleValuatorAxis(val, lastSlave->valuator->axes + i,
- pDev->valuator->axes + i, 0);
+ pDev->valuator->axes + i, 0, 0);
pDev->last.valuators[i] = val;
}
}
@@ -445,7 +445,7 @@ GetMotionHistory(DeviceIntPtr pDev, xTimecoord **buff, unsigned long start,
/* scale to screen coords */
to = &core_axis;
to->max_value = pScreen->width;
- coord = rescaleValuatorAxis(coord, &from, to, pScreen->width);
+ coord = rescaleValuatorAxis(coord, &from, to, 0, pScreen->width);
memcpy(corebuf, &coord, sizeof(INT16));
corebuf++;
@@ -456,7 +456,7 @@ GetMotionHistory(DeviceIntPtr pDev, xTimecoord **buff, unsigned long start,
memcpy(&coord, icbuf++, sizeof(INT32));
to->max_value = pScreen->height;
- coord = rescaleValuatorAxis(coord, &from, to, pScreen->height);
+ coord = rescaleValuatorAxis(coord, &from, to, 0, pScreen->height);
memcpy(corebuf, &coord, sizeof(INT16));
} else if (IsMaster(pDev))
@@ -484,7 +484,7 @@ GetMotionHistory(DeviceIntPtr pDev, xTimecoord **buff, unsigned long start,
from.max_value = pScreen->height;
/* scale from stored range into current range */
- coord = rescaleValuatorAxis(coord, &from, to, 0);
+ coord = rescaleValuatorAxis(coord, &from, to, 0, 0);
memcpy(ocbuf, &coord, sizeof(INT32));
ocbuf++;
}
@@ -757,8 +757,8 @@ accelPointer(DeviceIntPtr dev, ValuatorMask* valuators, CARD32 ms)
* 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.
+ * @param[in, out] mask The mask in desktop coordinates, modified in place
+ * to contain device coordinate range.
*/
static void
scale_from_screen(DeviceIntPtr dev, ValuatorMask *mask)
@@ -768,16 +768,18 @@ scale_from_screen(DeviceIntPtr dev, ValuatorMask *mask)
if (valuator_mask_isset(mask, 0))
{
- scaled = rescaleValuatorAxis(valuator_mask_get_double(mask, 0),
+ scaled = valuator_mask_get_double(mask, 0) + scr->x;
+ scaled = rescaleValuatorAxis(scaled,
NULL, dev->valuator->axes + 0,
- scr->width);
+ 0, scr->width);
valuator_mask_set_double(mask, 0, scaled);
}
if (valuator_mask_isset(mask, 1))
{
- scaled = rescaleValuatorAxis(valuator_mask_get_double(mask, 1),
+ scaled = valuator_mask_get_double(mask, 1) + scr->y;
+ scaled = rescaleValuatorAxis(scaled,
NULL, dev->valuator->axes + 1,
- scr->height);
+ 0, scr->height);
valuator_mask_set_double(mask, 1, scaled);
}
}
@@ -793,16 +795,21 @@ scale_from_screen(DeviceIntPtr dev, ValuatorMask *mask)
*
* The coordinates provided are always absolute. The parameter mode
* specifies whether it was relative or absolute movement that landed us at
- * those coordinates.
+ * those coordinates. see fill_pointer_events for information on coordinate
+ * systems.
*
* @param dev The device to be moved.
* @param mode Movement mode (Absolute or Relative)
- * @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.
+ * @param[in,out] mask Mask of axis values for this event, returns the
+ * per-screen device coordinates after confinement
+ * @param[out] devx x desktop-wide coordinate in device coordinate system
+ * @param[out] devy y desktop-wide coordinate in device coordinate system
+ * @param[out] screenx x coordinate in desktop coordinate system
+ * @param[out] screeny y coordinate in desktop coordinate system
*/
static ScreenPtr
positionSprite(DeviceIntPtr dev, int mode, ValuatorMask *mask,
+ double *devx, double *devy,
double *screenx, double *screeny)
{
double x, y;
@@ -821,16 +828,20 @@ positionSprite(DeviceIntPtr dev, int mode, ValuatorMask *mask,
else
y = dev->last.valuators[1];
- /* scale x&y to screen */
+ /* scale x&y to desktop coordinates */
*screenx = rescaleValuatorAxis(x, dev->valuator->axes + 0, NULL,
- scr->width);
+ screenInfo.x, screenInfo.width);
*screeny = rescaleValuatorAxis(y, dev->valuator->axes + 1, NULL,
- scr->height);
+ screenInfo.y, screenInfo.height);
tmpx = *screenx;
tmpy = *screeny;
+ *devx = x;
+ *devy = y;
+
/* miPointerSetPosition takes care of crossing screens for us, as well as
- * clipping to the current screen. */
+ * clipping to the current screen. Coordinates returned are in desktop
+ * coord system */
scr = miPointerSetPosition(dev, mode, screenx, screeny);
/* If we were constrained, rescale x/y from the screen coordinates so
@@ -838,17 +849,24 @@ positionSprite(DeviceIntPtr dev, int mode, ValuatorMask *mask,
* 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 (tmpy != *screeny)
- y = rescaleValuatorAxis(*screeny, NULL, dev->valuator->axes + 1,
- scr->height);
+ *devx = rescaleValuatorAxis(*screenx, NULL, dev->valuator->axes + 0,
+ screenInfo.x, screenInfo.width);
+ if (tmpy != *screeny)
+ *devy = rescaleValuatorAxis(*screeny, NULL, dev->valuator->axes + 1,
+ screenInfo.y, screenInfo.height);
- if (valuator_mask_isset(mask, 0))
+ /* Recalculate the per-screen device coordinates */
+ if (valuator_mask_isset(mask, 0)) {
+ x = rescaleValuatorAxis(*screenx - scr->x, NULL, dev->valuator->axes + 0,
+ 0, scr->width);
valuator_mask_set_double(mask, 0, x);
- if (valuator_mask_isset(mask, 1))
+ }
+ if (valuator_mask_isset(mask, 1)) {
+ y = rescaleValuatorAxis(*screeny - scr->y, NULL, dev->valuator->axes + 1,
+ 0, scr->height);
valuator_mask_set_double(mask, 1, y);
+ }
return scr;
}
@@ -1105,6 +1123,38 @@ QueuePointerEvents(DeviceIntPtr device, int type,
*
* Should not be called by anyone other than GetPointerEvents.
*
+ * We use several different coordinate systems and need to switch between
+ * the three in fill_pointer_events, positionSprite and
+ * miPointerSetPosition. "desktop" refers to the width/height of all
+ * screenInfo.screens[n]->width/height added up. "screen" is ScreenRec, not
+ * output.
+ *
+ * Coordinate systems:
+ * - relative events have a mask_in in relative coordinates, mapped to
+ * pixels. These events are mapped to the current position±delta.
+ * - absolute events have a mask_in in absolute device coordinates in
+ * device-specific range. This range is mapped to the desktop.
+ * - POINTER_SCREEN absolute events (x86WarpCursor) are in screen-relative
+ * screen coordinate range.
+ * - rootx/rooty in events must be be relative to the current screen's
+ * origin (screen coordinate system)
+ * - XI2 valuators must be relative to the current screen's origin. On
+ * the protocol the device min/max range maps to the current screen.
+ *
+ * For screen switching we need to get the desktop coordinates for each
+ * event, then map that to the respective position on each screen and
+ * position the cursor there.
+ * The device's last.valuator[] stores the last position in desktop-wide
+ * coordinates (in device range for slave devices, desktop range for master
+ * devices).
+ *
+ * screen-relative device coordinates requires scaling: A device coordinate
+ * x/y of range [n..m] that maps to positions Sx/Sy on Screen S must be
+ * rescaled to match Sx/Sy for [n..m]. In the simplest example, x of (m/2-1)
+ * is the last coordinate on the first screen and must be rescaled for the
+ * event to be m. XI2 clients that do their own coordinate mapping would
+ * otherwise interpret the position of the device elsewere to the cursor.
+ *
* @return the number of events written into events.
*/
static int
@@ -1115,8 +1165,10 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type,
int num_events = 1, i;
DeviceEvent *event;
RawDeviceEvent *raw;
- double screenx = 0.0, screeny = 0.0;
+ double screenx = 0.0, screeny = 0.0; /* desktop coordinate system */
+ double devx = 0.0, devy = 0.0; /* desktop-wide in device coords */
ValuatorMask mask;
+ ScreenPtr scr;
switch (type)
{
@@ -1155,6 +1207,8 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type,
set_raw_valuators(raw, &mask, raw->valuators.data_raw);
}
+ /* valuators are in driver-native format (rel or abs) */
+
if (flags & POINTER_ABSOLUTE)
{
if (flags & POINTER_SCREEN) /* valuators are in screen coords */
@@ -1168,22 +1222,34 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type,
moveRelative(pDev, &mask);
}
+ /* valuators are in device coordinate system in absolute coordinates */
+
if ((flags & POINTER_NORAW) == 0)
set_raw_valuators(raw, &mask, raw->valuators.data);
- positionSprite(pDev, (flags & POINTER_ABSOLUTE) ? Absolute : Relative,
- &mask, &screenx, &screeny);
+ scr = positionSprite(pDev, (flags & POINTER_ABSOLUTE) ? Absolute : Relative,
+ &mask, &devx, &devy, &screenx, &screeny);
+
+ /* screenx, screeny are in desktop coordinates,
+ mask is in device coordinates per-screen (the event data)
+ devx/devy is in device coordinate desktop-wide */
updateHistory(pDev, &mask, ms);
clipValuators(pDev, &mask);
- for (i = 0; i < valuator_mask_size(&mask); i++)
+ /* store desktop-wide in last.valuators */
+ if (valuator_mask_isset(&mask, 0))
+ pDev->last.valuators[0] = devx;
+ if (valuator_mask_isset(&mask, 1))
+ pDev->last.valuators[1] = devy;
+
+ for (i = 2; i < valuator_mask_size(&mask); i++)
{
if (valuator_mask_isset(&mask, i))
pDev->last.valuators[i] = valuator_mask_get_double(&mask, i);
}
- /* Update the MD's co-ordinates, which are always in screen space. */
+ /* Update the MD's co-ordinates, which are always in desktop space. */
if (!IsMaster(pDev) || !IsFloating(pDev)) {
DeviceIntPtr master = GetMaster(pDev, MASTER_POINTER);
master->last.valuators[0] = screenx;
@@ -1209,8 +1275,8 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type,
event->detail.button = buttons;
}
- /* root_x and root_y must be in screen co-ordinates */
- event_set_root_coordinates(event, screenx, screeny);
+ /* root_x and root_y must be in per-screen co-ordinates */
+ event_set_root_coordinates(event, screenx - scr->x, screeny - scr->y);
if (flags & POINTER_EMULATED) {
raw->flags = XIPointerEmulated;
diff --git a/xorg-server/dix/inpututils.c b/xorg-server/dix/inpututils.c
index 5797f9256..c152b2d8b 100644
--- a/xorg-server/dix/inpututils.c
+++ b/xorg-server/dix/inpututils.c
@@ -665,6 +665,30 @@ point_on_screen(ScreenPtr pScreen, int x, int y)
}
/**
+ * Update desktop dimensions on the screenInfo struct.
+ */
+void
+update_desktop_dimensions(void)
+{
+ int i;
+ int x1 = INT_MAX, y1 = INT_MAX; /* top-left */
+ int x2 = INT_MIN, y2 = INT_MIN; /* bottom-right */
+
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ ScreenPtr screen = screenInfo.screens[i];
+ x1 = min(x1, screen->x);
+ y1 = min(y1, screen->y);
+ x2 = max(x2, screen->x + screen->width);
+ y2 = max(y2, screen->y + screen->height);
+ }
+
+ screenInfo.x = x1;
+ screenInfo.y = y1;
+ screenInfo.width = x2 - x1;
+ screenInfo.height = y2 - y1;
+}
+
+/*
* Delete the element with the key from the list, freeing all memory
* associated with the element..
*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 00:56:23 +0000