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* Use a unified pointer emulation modelHenrik Rydberg2010-11-172-4/+57
| | | | | | | | | | | | | | | The existing kernel MT devices together use a handful of different pointer emulation strategies, each with its own subtlety. This creates a problem for grail, which needs to rebuild pointer emulation during gesture recognition; relying on the correct pointer information to be available at the right time becomes almost impossible. This patch implements a common pointer emulation model for grail, following a strategy recently discussed on LKML. This resolves the problems stemming from different emulation strategies, and results in a common pointer emulation experience for all devices. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* grail v1.0.16v1.0.16Henrik Rydberg2010-11-081-1/+1
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* Report touch down on one-finger entryHenrik Rydberg2010-10-181-3/+3
| | | | | | | | | | | | | The current code mistakenly set the pointer logic based on the single variable, which is false at the entry to one-finger mode, but true immediately afterwards. This leads to grail sometimes failing to emit the proper emulation sequence, resulting in a missed touch in X. This patch corrects the logic such that the pointer is based directly on one-finger mode, thereby solving the problem. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* grail v1.0.15v1.0.15Henrik Rydberg2010-09-281-1/+1
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* Only support pure absolute devices at this timeHenrik Rydberg2010-09-281-3/+11
| | | | | | | | | There are some hybrid relative/absolute devices out there, like the magic mouse, for which special behavior, outside the current scope of grail, is expected. This patch disables grail for those devices. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* grail v1.0.14v1.0.14Henrik Rydberg2010-09-211-1/+1
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* Show all information for pass-through eventsHenrik Rydberg2010-09-211-1/+3
| | | | | | | In grail-gesture, the timing information is missing. Remedied with this patch. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Add tap state to the tapping modelHenrik Rydberg2010-09-212-1/+3
| | | | | | | Add the ability to read off the tap state in the tapping model. Useful for emulation i lieu of tapping gestures. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Add tap emulationHenrik Rydberg2010-09-211-3/+17
| | | | | | | | | | | Touchscreens always emit a button event when touching the screen. Trackpads, however, are considered hovering while touching the pad, and instead uses taps to emits button events, which is traditionally implemented elsewhere, and thus leaves a functionality discrepancy. This patch adds tap emulation to grail, utilizing gesture engine. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Split pointer status and report statusHenrik Rydberg2010-09-212-3/+30
| | | | | | | Separate out reporting of the touch state, such that reporting can be deferred. Does not introduce any logic changes. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Do not tap when leaving fingers on the padHenrik Rydberg2010-09-212-11/+14
| | | | | | | | The current code will treat a 3-down-2-up as a tap. This patch changes the logic so that taps are only emitted when the number of fingers returns to the baseline. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* bug: Only report position change eventsHenrik Rydberg2010-09-212-2/+9
| | | | | | | This bug was introduced in v1.0.11. Only report events when the pointer position is actually changing. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Reorganize input event emulation codeHenrik Rydberg2010-09-211-34/+23
| | | | | | | | | Inject the emulated events into the event buffer instead, and move the pointer logic into the emulation handler. Introduces no logical changes, but reveals the bug in the position event frequency. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Move input event filter from tail side to head sideHenrik Rydberg2010-09-211-12/+3
| | | | | | | | There is no need to buffer events that will be ignored later on, so move the event filter to the upstream side. This also allows the event buffer to be used for injected events. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Simplify book-keeping of active gesturesHenrik Rydberg2010-09-213-17/+10
| | | | | | | | | The current frame computation returns the event types to filter, which is less useful than knowing what gesture types are active in the frame. Add the active gesture types to the frame struct and simplify usage. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* grail v1.0.13v1.0.13Henrik Rydberg2010-09-101-1/+1
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* Allow slow tappingHenrik Rydberg2010-09-101-1/+1
| | | | | | | For the benefit of hardware that cannot accurately meet the desirable response times, allow for tapping times up to 300 ms. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Inhibit taps immediately after a finger is liftedHenrik Rydberg2010-09-102-2/+7
| | | | | | | | | The intentional tap starts with a finger in the air. This patch treats the sequence up-down-up as unintentional, unless performed with a single finger. Fixes the problem with accidental taps during multi-finger gestures. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Only emit abs events when motion is activeHenrik Rydberg2010-09-101-2/+9
| | | | | | | | | | | | | This bug was hidden behind the motion inhibit during tapping, but resurfaced when tapping from resting finger was introduced. With this patch, pointer movement is inhibited also when lifting fingers from the surface. Ideally, tapping should be treated as a transient event, which would allow zero pointer event also _before_ the tap, but presently unity seems to depend on the initial pointer movement as a touch-down event. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Cancel tapping also on zoom eventsHenrik Rydberg2010-09-091-1/+1
| | | | | | | | | The current code cancels tapping when dragging is active. This patch adds zooming to the set, to inhibit tapping also when a perfect zoom without dragging is performed. Reported-by: Chase Douglas <chase.douglas@canonical.com> Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Discard tapping even when there are zero events between down and upHenrik Rydberg2010-09-091-1/+1
| | | | | | | | | The current logic assumes there will be at least one frame with between touch up and touch down or the tap will not be properly timed out. Fixed with this patch. Reported-by: Chase Douglas <chase.douglas@canonical.com> Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Support legacy devicesHenrik Rydberg2010-09-093-2/+123
| | | | | | | | | Simulate MT touch events for legacy devices that support the DOUBLETAP, TRIPLETAP and QUADTAP events. This allows multi-finger tap and drag gestures to be emitted, providing a basic level of MT functionality for legacy devices. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Make sure contact area is always definedHenrik Rydberg2010-09-091-0/+6
| | | | | | | | | Some devices do not always send touch_minor after touch_major has been set. According to the MT protocol, this case should be treated as if minor is equal to major. This patch makes sure touch_minor is never zero when touch_major is set. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* grail v1.0.12v1.0.12Henrik Rydberg2010-09-011-1/+1
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* Do not compute velocity until enough data is availableHenrik Rydberg2010-09-011-1/+1
| | | | | | | | The first few ticks since a configuration change are not really suited for velocity computation, so move the speed computation over to the periodic sampling point. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Make orientation computation more robustHenrik Rydberg2010-08-301-5/+4
| | | | | | | | | The MT protocol defines the angle to be between -Pi/2 and Pi/2, and expects the defined range to be symmetric around zero. Make the angle computation more robust against varying definitions in the kernel drivers. Signed-off-by: Henrik Rydberg <rydberg@bitmath.org>
* grail v1.0.11v1.0.11Henrik Rydberg2010-08-261-1/+1
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* Introduce tapping from any finger configurationHenrik Rydberg2010-08-262-50/+34
| | | | | | | | | | The current code only emits taps from zero fingers to N fingers. This patch introduces tapping from any prior finger configuration. A tap is defined as an increased number of fingers followed by a decrease within the tap timeout. A tap is reported as the maximum number of fingers present during the tap sequence. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Trim tapping timeoutsHenrik Rydberg2010-08-261-2/+2
| | | | | | Reduce the tapping timeout to 200 ms. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Correct abs event handlingHenrik Rydberg2010-08-263-24/+50
| | | | | | | | | | The current code lets abs events through during one-finger drags, and tapping does not work properly due to abs events not always being present during taps. Track the pointer position and emit abs events only if no gestures are in effect, and only if not explicitly filtered. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Plug hole in tentative gestures state during finger transitionHenrik Rydberg2010-08-262-7/+5
| | | | | | | | | During finger configuration transition, as well as after a tap, there would be no tentative gestures registered in the instantiator, leading to faulty emission of motion events. Fixed with this patch. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* grail v1.0.10v1.0.10Henrik Rydberg2010-08-201-1/+1
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* Declare missing header file for distro packageHenrik Rydberg2010-08-201-0/+1
| | | | Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* grail v1.0.9v1.0.9Henrik Rydberg2010-08-191-1/+1
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* Add contact information to the property listHenrik Rydberg2010-08-1910-191/+220
| | | | | | | | | | Add the five first contacts to the property list, and unify the handling of all gesture types in this regard. To avoid duplication, move the scaling of properties closer to the gesture recognizer. Move all gesture event handling code to grail-event.c, simplifying the structure somewhat. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Crank up the maximum number of propertiesHenrik Rydberg2010-08-191-1/+1
| | | | | | | | To prepare for the (for maverick only) addition of individual contact information via the properties array, increase the maximum number of contacts. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Use the touch_caps directly rather than grail_get_units()Henrik Rydberg2010-08-192-12/+16
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* Add grail_contact and a method to retrieve the current contactsHenrik Rydberg2010-08-194-1/+101
| | | | | | | This patch adds the possibility to extract the current set of contacts from the grail state. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Make gesture inserter visible to all local filesHenrik Rydberg2010-08-192-21/+30
| | | | | | Also remove the transformed flag in favor of a unit transformation. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Reserve one mask position for system useHenrik Rydberg2010-08-191-3/+7
| | | | | | This is needed for gesture propagation outside of grail. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Make grail implementation visible to all local filesHenrik Rydberg2010-08-192-9/+37
| | | | Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Add documentation to structs and functions in grail.hHenrik Rydberg2010-08-191-5/+138
| | | | Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Simplify touch machineryHenrik Rydberg2010-08-199-324/+218
| | | | | | | | | | To be able to model touch information uniformly across all supported devices, the semantics of the touch attributes has to be treated explicitly. Drop the generic touch property array and replace it by an actual structure. In addition, the touch-engine abstraction turned out to not be needed, so drop it as well. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* Repackaged to utouch-grail v1.0.8v1.0.8Henrik Rydberg2010-08-126-23/+16
| | | | Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* the bug fix, raw materialHenrik Rydberg2010-08-121-3/+10
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* grail v1.0.7v1.0.7Henrik Rydberg2010-08-111-1/+1
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* add a translation utility to grailHenrik Rydberg2010-08-113-0/+121
| | | | | | | | By calling the grail_set_bbox(), grail will do translation of api coordinates and matching properties to an external coordinate system, such as screen coordinates. Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* api: add bounding box to rotate gesturesHenrik Rydberg2010-08-112-3/+17
| | | | Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* split out bounding box computationHenrik Rydberg2010-08-113-22/+32
| | | | Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
* add main type numbers to grail type propertiesHenrik Rydberg2010-08-111-0/+4
| | | | Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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