351 lines
10 KiB
C
351 lines
10 KiB
C
/*
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*Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
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*
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*Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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*"Software"), to deal in the Software without restriction, including
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*without limitation the rights to use, copy, modify, merge, publish,
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*distribute, sublicense, and/or sell copies of the Software, and to
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*permit persons to whom the Software is furnished to do so, subject to
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*the following conditions:
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*
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*The above copyright notice and this permission notice shall be
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*included in all copies or substantial portions of the Software.
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*
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*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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*EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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*MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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*NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
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*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*Except as contained in this notice, the name of the XFree86 Project
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*shall not be used in advertising or otherwise to promote the sale, use
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*or other dealings in this Software without prior written authorization
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*from the XFree86 Project.
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*
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* Authors: Dakshinamurthy Karra
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* Suhaib M Siddiqi
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* Peter Busch
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* Harold L Hunt II
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*/
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#ifdef HAVE_XWIN_CONFIG_H
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#include <xwin-config.h>
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#endif
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#include "win.h"
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#include "inputstr.h"
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#include "exevents.h" /* for button/axes labels */
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#include "xserver-properties.h"
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#include "inpututils.h"
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/* Peek the internal button mapping */
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static CARD8 const *g_winMouseButtonMap = NULL;
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/*
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* Local prototypes
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*/
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static void
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winMouseCtrl(DeviceIntPtr pDevice, PtrCtrl * pCtrl);
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static void
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winMouseCtrl(DeviceIntPtr pDevice, PtrCtrl * pCtrl)
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{
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}
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/*
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* See Porting Layer Definition - p. 18
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* This is known as a DeviceProc
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*/
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int
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winMouseProc(DeviceIntPtr pDeviceInt, int iState)
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{
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int lngMouseButtons, i;
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int lngWheelEvents = 4;
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CARD8 *map;
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DevicePtr pDevice = (DevicePtr) pDeviceInt;
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Atom btn_labels[9];
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Atom axes_labels[2];
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switch (iState) {
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case DEVICE_INIT:
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/* Get number of mouse buttons */
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lngMouseButtons = GetSystemMetrics(SM_CMOUSEBUTTONS);
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winMsg(X_PROBED, "%d mouse buttons found\n", lngMouseButtons);
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/* Mapping of windows events to X events:
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* LEFT:1 MIDDLE:2 RIGHT:3
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* SCROLL_UP:4 SCROLL_DOWN:5
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* TILT_LEFT:6 TILT_RIGHT:7
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* XBUTTON 1:8 XBUTTON 2:9 (most commonly 'back' and 'forward')
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* ...
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*
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* The current Windows API only defines 2 extra buttons, so we don't
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* expect more than 5 buttons to be reported, but more than that
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* should be handled correctly
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*/
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/*
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* To map scroll wheel correctly we need at least the 3 normal buttons
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*/
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if (lngMouseButtons < 3)
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lngMouseButtons = 3;
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/* allocate memory:
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* number of buttons + 4 x mouse wheel event + 1 extra (offset for map)
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*/
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map = malloc(sizeof(CARD8) * (lngMouseButtons + lngWheelEvents + 1));
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/* initalize button map */
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map[0] = 0;
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for (i = 1; i <= lngMouseButtons + lngWheelEvents; i++)
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map[i] = i;
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btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
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btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
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btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
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btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP);
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btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN);
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btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT);
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btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT);
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btn_labels[7] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_BACK);
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btn_labels[8] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_FORWARD);
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axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);
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axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);
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InitPointerDeviceStruct(pDevice,
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map,
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lngMouseButtons + lngWheelEvents,
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btn_labels,
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winMouseCtrl,
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GetMotionHistorySize(), 2, axes_labels);
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free(map);
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g_winMouseButtonMap = pDeviceInt->button->map;
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break;
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case DEVICE_ON:
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pDevice->on = TRUE;
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break;
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case DEVICE_CLOSE:
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g_winMouseButtonMap = NULL;
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case DEVICE_OFF:
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pDevice->on = FALSE;
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break;
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}
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return Success;
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}
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/* Handle the mouse wheel */
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int
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winMouseWheel(int *iTotalDeltaZ, int iDeltaZ, int iButtonUp, int iButtonDown)
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{
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int button;
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/* Do we have any previous delta stored? */
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if ((*iTotalDeltaZ > 0 && iDeltaZ > 0)
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|| (*iTotalDeltaZ < 0 && iDeltaZ < 0)) {
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/* Previous delta and of same sign as current delta */
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iDeltaZ += *iTotalDeltaZ;
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*iTotalDeltaZ = 0;
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}
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else {
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/*
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* Previous delta of different sign, or zero.
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* We will set it to zero for either case,
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* as blindly setting takes just as much time
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* as checking, then setting if necessary :)
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*/
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*iTotalDeltaZ = 0;
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}
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/*
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* Only process this message if the wheel has moved further than
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* WHEEL_DELTA
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*/
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if (iDeltaZ >= WHEEL_DELTA || (-1 * iDeltaZ) >= WHEEL_DELTA) {
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*iTotalDeltaZ = 0;
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/* Figure out how many whole deltas of the wheel we have */
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iDeltaZ /= WHEEL_DELTA;
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}
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else {
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/*
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* Wheel has not moved past WHEEL_DELTA threshold;
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* we will store the wheel delta until the threshold
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* has been reached.
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*/
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*iTotalDeltaZ = iDeltaZ;
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return 0;
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}
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/* Set the button to indicate up or down wheel delta */
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if (iDeltaZ > 0) {
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button = iButtonUp;
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}
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else {
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button = iButtonDown;
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}
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/*
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* Flip iDeltaZ to positive, if negative,
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* because always need to generate a *positive* number of
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* button clicks for the Z axis.
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*/
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if (iDeltaZ < 0) {
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iDeltaZ *= -1;
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}
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/* Generate X input messages for each wheel delta we have seen */
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while (iDeltaZ--) {
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/* Push the wheel button */
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winMouseButtonsSendEvent(ButtonPress, button);
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/* Release the wheel button */
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winMouseButtonsSendEvent(ButtonRelease, button);
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}
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return 0;
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}
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/*
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* Enqueue a mouse button event
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*/
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void
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winMouseButtonsSendEvent(int iEventType, int iButton)
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{
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ValuatorMask mask;
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if (g_winMouseButtonMap)
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iButton = g_winMouseButtonMap[iButton];
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valuator_mask_zero(&mask);
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QueuePointerEvents(g_pwinPointer, iEventType, iButton,
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POINTER_RELATIVE, &mask);
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#if CYGDEBUG
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ErrorF("winMouseButtonsSendEvent: iEventType: %d, iButton: %d\n",
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iEventType, iButton);
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#endif
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}
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/*
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* Decide what to do with a Windows mouse message
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*/
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int
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winMouseButtonsHandle(ScreenPtr pScreen,
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int iEventType, int iButton, WPARAM wParam)
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{
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winScreenPriv(pScreen);
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winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
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/* Send button events right away if emulate 3 buttons is off */
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if (pScreenInfo->iE3BTimeout == WIN_E3B_OFF) {
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/* Emulate 3 buttons is off, send the button event */
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winMouseButtonsSendEvent(iEventType, iButton);
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return 0;
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}
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/* Emulate 3 buttons is on, let the fun begin */
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if (iEventType == ButtonPress
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&& pScreenPriv->iE3BCachedPress == 0
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&& !pScreenPriv->fE3BFakeButton2Sent) {
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/*
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* Button was pressed, no press is cached,
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* and there is no fake button 2 release pending.
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*/
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/* Store button press type */
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pScreenPriv->iE3BCachedPress = iButton;
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/*
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* Set a timer to send this button press if the other button
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* is not pressed within the timeout time.
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*/
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SetTimer(pScreenPriv->hwndScreen,
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WIN_E3B_TIMER_ID, pScreenInfo->iE3BTimeout, NULL);
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}
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else if (iEventType == ButtonPress
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&& pScreenPriv->iE3BCachedPress != 0
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&& pScreenPriv->iE3BCachedPress != iButton
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&& !pScreenPriv->fE3BFakeButton2Sent) {
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/*
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* Button press is cached, other button was pressed,
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* and there is no fake button 2 release pending.
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*/
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/* Mouse button was cached and other button was pressed */
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KillTimer(pScreenPriv->hwndScreen, WIN_E3B_TIMER_ID);
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pScreenPriv->iE3BCachedPress = 0;
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/* Send fake middle button */
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winMouseButtonsSendEvent(ButtonPress, Button2);
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/* Indicate that a fake middle button event was sent */
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pScreenPriv->fE3BFakeButton2Sent = TRUE;
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}
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else if (iEventType == ButtonRelease
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&& pScreenPriv->iE3BCachedPress == iButton) {
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/*
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* Cached button was released before timer ran out,
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* and before the other mouse button was pressed.
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*/
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KillTimer(pScreenPriv->hwndScreen, WIN_E3B_TIMER_ID);
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pScreenPriv->iE3BCachedPress = 0;
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/* Send cached press, then send release */
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winMouseButtonsSendEvent(ButtonPress, iButton);
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winMouseButtonsSendEvent(ButtonRelease, iButton);
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}
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else if (iEventType == ButtonRelease
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&& pScreenPriv->fE3BFakeButton2Sent && !(wParam & MK_LBUTTON)
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&& !(wParam & MK_RBUTTON)) {
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/*
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* Fake button 2 was sent and both mouse buttons have now been released
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*/
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pScreenPriv->fE3BFakeButton2Sent = FALSE;
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/* Send middle mouse button release */
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winMouseButtonsSendEvent(ButtonRelease, Button2);
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}
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else if (iEventType == ButtonRelease
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&& pScreenPriv->iE3BCachedPress == 0
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&& !pScreenPriv->fE3BFakeButton2Sent) {
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/*
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* Button was release, no button is cached,
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* and there is no fake button 2 release is pending.
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*/
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winMouseButtonsSendEvent(ButtonRelease, iButton);
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}
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return 0;
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}
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/**
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* Enqueue a motion event.
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*
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*/
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void
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winEnqueueMotion(int x, int y)
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{
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int valuators[2];
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ValuatorMask mask;
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valuators[0] = x;
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valuators[1] = y;
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valuator_mask_set_range(&mask, 0, 2, valuators);
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QueuePointerEvents(g_pwinPointer, MotionNotify, 0,
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POINTER_ABSOLUTE | POINTER_SCREEN, &mask);
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}
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