diff options
Diffstat (limited to 'hw/xwin/winmouse.c')
| -rw-r--r-- | hw/xwin/winmouse.c | 386 |
1 files changed, 386 insertions, 0 deletions
diff --git a/hw/xwin/winmouse.c b/hw/xwin/winmouse.c new file mode 100644 index 0000000..ee93d8f --- /dev/null +++ b/hw/xwin/winmouse.c @@ -0,0 +1,386 @@ +/* + *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. + * + *Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + *"Software"), to deal in the Software without restriction, including + *without limitation the rights to use, copy, modify, merge, publish, + *distribute, sublicense, and/or sell copies of the Software, and to + *permit persons to whom the Software is furnished to do so, subject to + *the following conditions: + * + *The above copyright notice and this permission notice shall be + *included in all copies or substantial portions of the Software. + * + *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR + *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF + *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + *Except as contained in this notice, the name of the XFree86 Project + *shall not be used in advertising or otherwise to promote the sale, use + *or other dealings in this Software without prior written authorization + *from the XFree86 Project. + * + * Authors: Dakshinamurthy Karra + * Suhaib M Siddiqi + * Peter Busch + * Harold L Hunt II + */ + +#ifdef HAVE_XWIN_CONFIG_H +#include <xwin-config.h> +#endif +#include "win.h" + +#include "inputstr.h" +#include "exevents.h" /* for button/axes labels */ +#include "xserver-properties.h" +#include "inpututils.h" + +/* Peek the internal button mapping */ +static CARD8 const *g_winMouseButtonMap = NULL; + + +/* + * Local prototypes + */ + +static void +winMouseCtrl (DeviceIntPtr pDevice, PtrCtrl *pCtrl); + + +static void +winMouseCtrl (DeviceIntPtr pDevice, PtrCtrl *pCtrl) +{ +} + + +/* + * See Porting Layer Definition - p. 18 + * This is known as a DeviceProc + */ + +int +winMouseProc (DeviceIntPtr pDeviceInt, int iState) +{ + int lngMouseButtons, i; + int lngWheelEvents = 2; + CARD8 *map; + DevicePtr pDevice = (DevicePtr) pDeviceInt; + Atom *btn_labels; + Atom axes_labels[2]; + + switch (iState) + { + case DEVICE_INIT: + /* Get number of mouse buttons */ + lngMouseButtons = GetSystemMetrics(SM_CMOUSEBUTTONS); + + /* Mapping of windows events to X events: + * LEFT:1 MIDDLE:2 RIGHT:3 + * SCROLL_UP:4 SCROLL_DOWN:5 + * XBUTTON 1:6 XBUTTON 2:7 ... + * + * To map scroll wheel correctly we need at least the 3 normal buttons + */ + if (lngMouseButtons < 3) + lngMouseButtons = 3; + winMsg(X_PROBED, "%d mouse buttons found\n", lngMouseButtons); + + /* allocate memory: + * number of buttons + 2x mouse wheel event + 1 extra (offset for map) + */ + map = malloc(sizeof(CARD8) * (lngMouseButtons + lngWheelEvents + 1)); + + /* initalize button map */ + map[0] = 0; + for (i=1; i <= lngMouseButtons + lngWheelEvents; i++) + map[i] = i; + + btn_labels = calloc((lngMouseButtons + lngWheelEvents), sizeof(Atom)); + btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT); + btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE); + btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT); + btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP); + btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN); + + axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X); + axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y); + + InitPointerDeviceStruct (pDevice, + map, + lngMouseButtons + lngWheelEvents, + btn_labels, + winMouseCtrl, + GetMotionHistorySize(), + 2, + axes_labels); + free(map); + free(btn_labels); + + g_winMouseButtonMap = pDeviceInt->button->map; + break; + + case DEVICE_ON: + pDevice->on = TRUE; + break; + + case DEVICE_CLOSE: + g_winMouseButtonMap = NULL; + + case DEVICE_OFF: + pDevice->on = FALSE; + break; + } + return Success; +} + + +/* Handle the mouse wheel */ +int +winMouseWheel (ScreenPtr pScreen, int iDeltaZ) +{ + winScreenPriv(pScreen); + int button; /* Button4 or Button5 */ + + /* Button4 = WheelUp */ + /* Button5 = WheelDown */ + + /* Do we have any previous delta stored? */ + if ((pScreenPriv->iDeltaZ > 0 + && iDeltaZ > 0) + || (pScreenPriv->iDeltaZ < 0 + && iDeltaZ < 0)) + { + /* Previous delta and of same sign as current delta */ + iDeltaZ += pScreenPriv->iDeltaZ; + pScreenPriv->iDeltaZ = 0; + } + else + { + /* + * Previous delta of different sign, or zero. + * We will set it to zero for either case, + * as blindly setting takes just as much time + * as checking, then setting if necessary :) + */ + pScreenPriv->iDeltaZ = 0; + } + + /* + * Only process this message if the wheel has moved further than + * WHEEL_DELTA + */ + if (iDeltaZ >= WHEEL_DELTA || (-1 * iDeltaZ) >= WHEEL_DELTA) + { + pScreenPriv->iDeltaZ = 0; + + /* Figure out how many whole deltas of the wheel we have */ + iDeltaZ /= WHEEL_DELTA; + } + else + { + /* + * Wheel has not moved past WHEEL_DELTA threshold; + * we will store the wheel delta until the threshold + * has been reached. + */ + pScreenPriv->iDeltaZ = iDeltaZ; + return 0; + } + + /* Set the button to indicate up or down wheel delta */ + if (iDeltaZ > 0) + { + button = Button4; + } + else + { + button = Button5; + } + + /* + * Flip iDeltaZ to positive, if negative, + * because always need to generate a *positive* number of + * button clicks for the Z axis. + */ + if (iDeltaZ < 0) + { + iDeltaZ *= -1; + } + + /* Generate X input messages for each wheel delta we have seen */ + while (iDeltaZ--) + { + /* Push the wheel button */ + winMouseButtonsSendEvent (ButtonPress, button); + + /* Release the wheel button */ + winMouseButtonsSendEvent (ButtonRelease, button); + } + + return 0; +} + + +/* + * Enqueue a mouse button event + */ + +void +winMouseButtonsSendEvent (int iEventType, int iButton) +{ + EventListPtr events; + int i, nevents; + ValuatorMask mask; + + if (g_winMouseButtonMap) + iButton = g_winMouseButtonMap[iButton]; + + valuator_mask_zero(&mask); + GetEventList(&events); + nevents = GetPointerEvents(events, g_pwinPointer, iEventType, iButton, + POINTER_RELATIVE, &mask); + + for (i = 0; i < nevents; i++) + mieqEnqueue(g_pwinPointer, (InternalEvent*)events[i].event); + +#if CYGDEBUG + ErrorF("winMouseButtonsSendEvent: iEventType: %d, iButton: %d, nEvents %d\n", + iEventType, iButton, nevents); +#endif +} + + +/* + * Decide what to do with a Windows mouse message + */ + +int +winMouseButtonsHandle (ScreenPtr pScreen, + int iEventType, int iButton, + WPARAM wParam) +{ + winScreenPriv(pScreen); + winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; + + /* Send button events right away if emulate 3 buttons is off */ + if (pScreenInfo->iE3BTimeout == WIN_E3B_OFF) + { + /* Emulate 3 buttons is off, send the button event */ + winMouseButtonsSendEvent (iEventType, iButton); + return 0; + } + + /* Emulate 3 buttons is on, let the fun begin */ + if (iEventType == ButtonPress + && pScreenPriv->iE3BCachedPress == 0 + && !pScreenPriv->fE3BFakeButton2Sent) + { + /* + * Button was pressed, no press is cached, + * and there is no fake button 2 release pending. + */ + + /* Store button press type */ + pScreenPriv->iE3BCachedPress = iButton; + + /* + * Set a timer to send this button press if the other button + * is not pressed within the timeout time. + */ + SetTimer (pScreenPriv->hwndScreen, + WIN_E3B_TIMER_ID, + pScreenInfo->iE3BTimeout, + NULL); + } + else if (iEventType == ButtonPress + && pScreenPriv->iE3BCachedPress != 0 + && pScreenPriv->iE3BCachedPress != iButton + && !pScreenPriv->fE3BFakeButton2Sent) + { + /* + * Button press is cached, other button was pressed, + * and there is no fake button 2 release pending. + */ + + /* Mouse button was cached and other button was pressed */ + KillTimer (pScreenPriv->hwndScreen, WIN_E3B_TIMER_ID); + pScreenPriv->iE3BCachedPress = 0; + + /* Send fake middle button */ + winMouseButtonsSendEvent (ButtonPress, Button2); + + /* Indicate that a fake middle button event was sent */ + pScreenPriv->fE3BFakeButton2Sent = TRUE; + } + else if (iEventType == ButtonRelease + && pScreenPriv->iE3BCachedPress == iButton) + { + /* + * Cached button was released before timer ran out, + * and before the other mouse button was pressed. + */ + KillTimer (pScreenPriv->hwndScreen, WIN_E3B_TIMER_ID); + pScreenPriv->iE3BCachedPress = 0; + + /* Send cached press, then send release */ + winMouseButtonsSendEvent (ButtonPress, iButton); + winMouseButtonsSendEvent (ButtonRelease, iButton); + } + else if (iEventType == ButtonRelease + && pScreenPriv->fE3BFakeButton2Sent + && !(wParam & MK_LBUTTON) + && !(wParam & MK_RBUTTON)) + { + /* + * Fake button 2 was sent and both mouse buttons have now been released + */ + pScreenPriv->fE3BFakeButton2Sent = FALSE; + + /* Send middle mouse button release */ + winMouseButtonsSendEvent (ButtonRelease, Button2); + } + else if (iEventType == ButtonRelease + && pScreenPriv->iE3BCachedPress == 0 + && !pScreenPriv->fE3BFakeButton2Sent) + { + /* + * Button was release, no button is cached, + * and there is no fake button 2 release is pending. + */ + winMouseButtonsSendEvent (ButtonRelease, iButton); + } + + return 0; +} + +/** + * Enqueue a motion event. + * + * XXX: miPointerMove does exactly this, but is static :-( (and uses a static buffer) + * + */ +void winEnqueueMotion(int x, int y) +{ + int i, nevents; + int valuators[2]; + ValuatorMask mask; + EventListPtr events; + + miPointerSetPosition(g_pwinPointer, &x, &y); + valuators[0] = x; + valuators[1] = y; + + valuator_mask_set_range(&mask, 0, 2, valuators); + GetEventList(&events); + nevents = GetPointerEvents(events, g_pwinPointer, MotionNotify, 0, + POINTER_ABSOLUTE | POINTER_SCREEN, &mask); + + for (i = 0; i < nevents; i++) + mieqEnqueue(g_pwinPointer, (InternalEvent*)events[i].event); +} |