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Diffstat (limited to 'carbon/tkMacOSXMouseEvent.c')
| -rw-r--r-- | carbon/tkMacOSXMouseEvent.c | 1190 |
1 files changed, 0 insertions, 1190 deletions
diff --git a/carbon/tkMacOSXMouseEvent.c b/carbon/tkMacOSXMouseEvent.c deleted file mode 100644 index 697e00d..0000000 --- a/carbon/tkMacOSXMouseEvent.c +++ /dev/null @@ -1,1190 +0,0 @@ -/* - * tkMacOSXMouseEvent.c -- - * - * This file implements functions that decode & handle mouse events on - * MacOS X. - * - * Copyright 2001, Apple Computer, Inc. - * Copyright (c) 2005-2007 Daniel A. Steffen <das@users.sourceforge.net> - * - * See the file "license.terms" for information on usage and redistribution of - * this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * The following terms apply to all files originating from Apple - * Computer, Inc. ("Apple") and associated with the software unless - * explicitly disclaimed in individual files. - * - * Apple hereby grants permission to use, copy, modify, distribute, and - * license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that - * this notice is included verbatim in any distributions. No written - * agreement, license, or royalty fee is required for any of the - * authorized uses. Modifications to this software may be copyrighted by - * their authors and need not follow the licensing terms described here, - * provided that the new terms are clearly indicated on the first page of - * each file where they apply. - * - * IN NO EVENT SHALL APPLE, THE AUTHORS OR DISTRIBUTORS OF THE SOFTWARE - * BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR - * CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS - * DOCUMENTATION, OR ANY DERIVATIVES THEREOF, EVEN IF APPLE OR THE - * AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. APPLE, - * THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND - * NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND - * APPLE,THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE - * MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - * - * GOVERNMENT USE: If you are acquiring this software on behalf of the - * U.S. government, the Government shall have only "Restricted Rights" in - * the software and related documentation as defined in the Federal - * Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you are - * acquiring the software on behalf of the Department of Defense, the - * software shall be classified as "Commercial Computer Software" and the - * Government shall have only "Restricted Rights" as defined in Clause - * 252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the - * authors grant the U.S. Government and others acting in its behalf - * permission to use and distribute the software in accordance with the - * terms specified in this license. - */ - -#include "tkMacOSXPrivate.h" -#include "tkMacOSXWm.h" -#include "tkMacOSXEvent.h" -#include "tkMacOSXDebug.h" - -typedef struct { - WindowRef whichWin; - WindowRef activeNonFloating; - WindowPartCode windowPart; - unsigned int state; - long delta; - Window window; - Point global; - Point local; -} MouseEventData; - -/* - * Declarations of static variables used in this file. - */ - -static int gEatButtonUp = 0; /* 1 if we need to eat the next up event. */ - -/* - * Declarations of functions used only in this file. - */ - -static void BringWindowForward(WindowRef wRef, int isFrontProcess, - int frontWindowOnly); -static int GeneratePollingEvents(MouseEventData *medPtr); -static int GenerateMouseWheelEvent(MouseEventData *medPtr); -static int GenerateButtonEvent(MouseEventData *medPtr); -static int GenerateToolbarButtonEvent(MouseEventData *medPtr); -static int HandleWindowTitlebarMouseDown(MouseEventData *medPtr, - Tk_Window tkwin); -static unsigned int ButtonModifiers2State(UInt32 buttonState, - UInt32 keyModifiers); -static Tk_Window GetGrabWindowForWindow(Tk_Window tkwin); -static int TkMacOSXGetEatButtonUp(void); -static void TkMacOSXSetEatButtonUp(int f); - -/* - *---------------------------------------------------------------------- - * - * TkMacOSXProcessMouseEvent -- - * - * This routine processes the event in eventPtr, and generates the - * appropriate Tk events from it. - * - * Results: - * True if event(s) are generated - false otherwise. - * - * Side effects: - * Additional events may be place on the Tk event queue. - * - *---------------------------------------------------------------------- - */ - -MODULE_SCOPE int -TkMacOSXProcessMouseEvent( - TkMacOSXEvent *eventPtr, - MacEventStatus *statusPtr) -{ - Tk_Window tkwin; - Point where, where2; - int result; - TkDisplay *dispPtr; - OSStatus err; - MouseEventData mouseEventData, *medPtr = &mouseEventData; - int isFrontProcess; - - switch (eventPtr->eKind) { - case kEventMouseDown: - case kEventMouseUp: - case kEventMouseMoved: - case kEventMouseDragged: - case kEventMouseWheelMoved: - break; - default: - return false; - } - - err = ChkErr(GetEventParameter, eventPtr->eventRef, - kEventParamMouseLocation, typeQDPoint, NULL, sizeof(where), NULL, - &where); - if (err != noErr) { - GetGlobalMouse(&where); - } - - err = ChkErr(GetEventParameter, eventPtr->eventRef, kEventParamWindowRef, - typeWindowRef, NULL, sizeof(WindowRef), NULL, &medPtr->whichWin); - if (err == noErr) { - err = ChkErr(GetEventParameter, eventPtr->eventRef, - kEventParamWindowPartCode, typeWindowPartCode, NULL, - sizeof(WindowPartCode), NULL, &medPtr->windowPart); - } - if (err != noErr) { - medPtr->windowPart = FindWindow(where, &medPtr->whichWin); - } - medPtr->window = TkMacOSXGetXWindow(medPtr->whichWin); - if (medPtr->whichWin != NULL && medPtr->window == None) { - return false; - } - if (eventPtr->eKind == kEventMouseDown) { - if (IsWindowActive(medPtr->whichWin) && IsWindowPathSelectEvent( - medPtr->whichWin, eventPtr->eventRef)) { - ChkErr(WindowPathSelect, medPtr->whichWin, NULL, NULL); - return false; - } - if (medPtr->windowPart == inProxyIcon) { - TkMacOSXTrackingLoop(1); - err = ChkErr(TrackWindowProxyDrag, medPtr->whichWin, where); - TkMacOSXTrackingLoop(0); - if (err == errUserWantsToDragWindow) { - medPtr->windowPart = inDrag; - } else { - return false; - } - } - } - isFrontProcess = Tk_MacOSXIsAppInFront(); - if (isFrontProcess) { - medPtr->state = ButtonModifiers2State(GetCurrentEventButtonState(), - GetCurrentEventKeyModifiers()); - } else { - medPtr->state = ButtonModifiers2State(GetCurrentButtonState(), - GetCurrentKeyModifiers()); - } - medPtr->global = where; - err = ChkErr(GetEventParameter, eventPtr->eventRef, - kEventParamWindowMouseLocation, typeQDPoint, NULL, - sizeof(Point), NULL, &medPtr->local); - if (err == noErr) { - if (medPtr->whichWin) { - Rect widths; - - GetWindowStructureWidths(medPtr->whichWin, &widths); - medPtr->local.h -= widths.left; - medPtr->local.v -= widths.top; - } - } else { - medPtr->local = where; - if (medPtr->whichWin) { - QDGlobalToLocalPoint(GetWindowPort(medPtr->whichWin), - &medPtr->local); - } - } - medPtr->activeNonFloating = ActiveNonFloatingWindow(); - dispPtr = TkGetDisplayList(); - tkwin = Tk_IdToWindow(dispPtr->display, medPtr->window); - - if (eventPtr->eKind != kEventMouseDown) { - int res = false; - - switch (eventPtr->eKind) { - case kEventMouseUp: - /* - * The window manager only needs to know about mouse down events - * and sometimes we need to "eat" the mouse up. Otherwise, we just - * pass the event to Tk. - */ - - if (TkMacOSXGetEatButtonUp()) { - TkMacOSXSetEatButtonUp(false); - } else { - res = GenerateButtonEvent(medPtr); - } - break; - case kEventMouseWheelMoved: - err = ChkErr(GetEventParameter, eventPtr->eventRef, - kEventParamMouseWheelDelta, typeLongInteger, NULL, - sizeof(long), NULL, &medPtr->delta); - if (err != noErr ) { - statusPtr->err = 1; - } else { - EventMouseWheelAxis axis; - - err = ChkErr(GetEventParameter, eventPtr->eventRef, - kEventParamMouseWheelAxis, typeMouseWheelAxis, NULL, - sizeof(EventMouseWheelAxis), NULL, &axis); - if (err == noErr && axis == kEventMouseWheelAxisX) { - medPtr->state |= ShiftMask; - } - res = GenerateMouseWheelEvent(medPtr); - } - break; - case kEventMouseMoved: - case kEventMouseDragged: - res = GeneratePollingEvents(medPtr); - break; - default: - Tcl_Panic("Unknown mouse event !"); - } - if (res) { - statusPtr->stopProcessing = 1; - } - return res; - } - - TkMacOSXSetEatButtonUp(false); - if (!medPtr->whichWin) { - return false; - } - - /* - * We got a mouse down in a window, so see if this is the activate click. - * This click moves the window forward. We don't want the corresponding - * mouse-up to be reported to the application or else it will mess up some - * Tk scripts. - */ - - if (!(TkpIsWindowFloating(medPtr->whichWin)) - && (medPtr->whichWin != medPtr->activeNonFloating - || !isFrontProcess)) { - int frontWindowOnly = 1; - int cmdDragGrow = ((medPtr->windowPart == inDrag || - medPtr->windowPart == inGrow) && medPtr->state & Mod1Mask); - - if (!cmdDragGrow) { - Tk_Window grabWin = GetGrabWindowForWindow(tkwin); - - frontWindowOnly = !grabWin; - if (grabWin && grabWin != tkwin) { - TkMacOSXSetEatButtonUp(true); - BringWindowForward(TkMacOSXDrawableWindow( - ((TkWindow *) grabWin)->window), isFrontProcess, - frontWindowOnly); - return false; - } - } - - /* - * Clicks in the titlebar widgets are handled without bringing the - * window forward. - */ - - result = HandleWindowTitlebarMouseDown(medPtr, tkwin); - if (result != -1) { - statusPtr->stopProcessing = 1; - return result; - } - - /* - * Only windows with the kWindowNoActivatesAttribute can receive mouse - * events in the background. - */ - - if (!(((TkWindow *)tkwin)->wmInfoPtr->attributes & - kWindowNoActivatesAttribute)) { - /* - * Allow background window dragging & growing with Command down. - */ - - if (!cmdDragGrow) { - TkMacOSXSetEatButtonUp(true); - BringWindowForward(medPtr->whichWin, isFrontProcess, - frontWindowOnly); - } - - /* - * Allow dragging & growing of windows that were/are in the - * background. - */ - - if (!(medPtr->windowPart == inDrag || - medPtr->windowPart == inGrow)) { - return false; - } - } - } else { - result = HandleWindowTitlebarMouseDown(medPtr, tkwin); - if (result != -1) { - statusPtr->stopProcessing = 1; - return result; - } - } - - switch (medPtr->windowPart) { - case inDrag: { - WindowAttributes attributes; - - GetWindowAttributes(medPtr->whichWin, &attributes); - if (!(attributes & kWindowAsyncDragAttribute)) { - TkMacOSXTrackingLoop(1); - DragWindow(medPtr->whichWin, where, NULL); - TkMacOSXTrackingLoop(0); - where2.h = where2.v = 0; - QDLocalToGlobalPoint(GetWindowPort(medPtr->whichWin), &where2); - return (EqualPt(where, where2)) ? false : true; - } - break; - } - case inGrow: { - /* - * Generally the content region is the domain of Tk sub-windows. - * However, one exception is the grow region. A button down in this - * area will be handled by the window manager. Note: this means that - * Tk may not get button down events in this area! - */ - - XPoint p = {where.h, where.v}; - if (TkMacOSXGrowToplevel(medPtr->whichWin, p) == true) { - statusPtr->stopProcessing = 1; - return true; - } - } - case inContent: - return GenerateButtonEvent(medPtr); - } - return false; -} - -/* - *---------------------------------------------------------------------- - * - * HandleWindowTitlebarMouseDown -- - * - * Handle clicks in window titlebar. - * - * Results: - * 1 if event was handled, 0 if event was not handled, -1 if MouseDown - * was not in window titlebar. - * - * Side effects: - * Additional events may be place on the Tk event queue. - * - *---------------------------------------------------------------------- - */ - -int -HandleWindowTitlebarMouseDown( - MouseEventData *medPtr, - Tk_Window tkwin) -{ - int result = INT_MAX; - - switch (medPtr->windowPart) { - case inGoAway: - case inCollapseBox: - case inZoomIn: - case inZoomOut: - case inToolbarButton: - if (!IsWindowActive(medPtr->whichWin)) { - WindowRef frontWindow = FrontNonFloatingWindow(); - WindowModality frontWindowModality = kWindowModalityNone; - - if (frontWindow && frontWindow != medPtr->whichWin) { - ChkErr(GetWindowModality, frontWindow, - &frontWindowModality, NULL); - } - if (frontWindowModality == kWindowModalityAppModal) { - result = 0; - } - } - break; - default: - result = -1; - break; - } - - if (result == INT_MAX) { - result = 0; - TkMacOSXTrackingLoop(1); - switch (medPtr->windowPart) { - case inGoAway: - if (TrackGoAway(medPtr->whichWin, medPtr->global) && tkwin) { - TkGenWMDestroyEvent(tkwin); - result = 1; - } - break; - case inCollapseBox: - if (TrackBox(medPtr->whichWin, medPtr->global, - medPtr->windowPart) && tkwin) { - TkpWmSetState((TkWindow *) tkwin, IconicState); - result = 1; - } - break; - case inZoomIn: - case inZoomOut: - if (TrackBox(medPtr->whichWin, medPtr->global, - medPtr->windowPart)) { - result = TkMacOSXZoomToplevel(medPtr->whichWin, - medPtr->windowPart); - } - break; - case inToolbarButton: - if (TrackBox(medPtr->whichWin, medPtr->global, - medPtr->windowPart)) { - result = GenerateToolbarButtonEvent(medPtr); - } - break; - } - TkMacOSXTrackingLoop(0); - } - - return result; -} - -/* - *---------------------------------------------------------------------- - * - * GeneratePollingEvents -- - * - * This function polls the mouse position and generates X Motion, Enter & - * Leave events. The cursor is also updated at this time. - * - * Results: - * True if event(s) are generated - false otherwise. - * - * Side effects: - * Additional events may be place on the Tk event queue. The cursor may - * be changed. - * - *---------------------------------------------------------------------- - */ - -static int -GeneratePollingEvents( - MouseEventData *medPtr) -{ - Tk_Window tkwin, rootwin, grabWin; - int local_x, local_y; - TkDisplay *dispPtr; - - grabWin = TkMacOSXGetCapture(); - - if ((!TkpIsWindowFloating(medPtr->whichWin) - && (medPtr->activeNonFloating != medPtr->whichWin))) { - /* - * If the window for this event is not floating, and is not the active - * non-floating window, don't generate polling events. We don't send - * events to backgrounded windows. So either send it to the grabWin, - * or NULL if there is no grabWin. - */ - - tkwin = grabWin; - } else { - /* - * First check whether the toplevel containing this mouse event is the - * grab window. If not, then send the event to the grab window. - * Otherwise, set tkWin to the subwindow which most closely contains - * the mouse event. - */ - - dispPtr = TkGetDisplayList(); - rootwin = Tk_IdToWindow(dispPtr->display, medPtr->window); - if ((rootwin == NULL) - || ((grabWin != NULL) && (rootwin != grabWin))) { - tkwin = grabWin; - } else { - tkwin = Tk_TopCoordsToWindow(rootwin, medPtr->local.h, - medPtr->local.v, &local_x, &local_y); - } - } - - /* - * The following call will generate the appropiate X events and adjust any - * state that Tk must remember. - */ - - Tk_UpdatePointer(tkwin, medPtr->global.h, medPtr->global.v, - medPtr->state); - return true; -} - -/* - *---------------------------------------------------------------------- - * - * BringWindowForward -- - * - * Bring this background window to the front. - * - * Results: - * None. - * - * Side effects: - * The window is brought forward. - * - *---------------------------------------------------------------------- - */ - -static void -BringWindowForward( - WindowRef wRef, - int isFrontProcess, - int frontWindowOnly) -{ - if (wRef && !TkpIsWindowFloating(wRef) && IsValidWindowPtr(wRef)) { - WindowRef frontWindow = FrontNonFloatingWindow(); - WindowModality frontWindowModality = kWindowModalityNone; - - if (frontWindow && frontWindow != wRef) { - ChkErr(GetWindowModality, frontWindow, &frontWindowModality, NULL); - } - if (frontWindowModality != kWindowModalityAppModal) { - Window window = TkMacOSXGetXWindow(wRef); - - if (window != None) { - TkDisplay *dispPtr = TkGetDisplayList(); - TkWindow *winPtr = (TkWindow *) - Tk_IdToWindow(dispPtr->display, window); - - if (winPtr && winPtr->wmInfoPtr && - winPtr->wmInfoPtr->master != None) { - TkWindow *masterWinPtr = (TkWindow *)Tk_IdToWindow( - dispPtr->display, winPtr->wmInfoPtr->master); - - if (masterWinPtr && masterWinPtr->window != None && - TkMacOSXHostToplevelExists(masterWinPtr)) { - WindowRef masterMacWin = - TkMacOSXDrawableWindow(masterWinPtr->window); - - if (masterMacWin) { - BringToFront(masterMacWin); - } - } - } - } - SelectWindow(wRef); - } else { - frontWindowOnly = 0; - } - } - if (!isFrontProcess) { - ProcessSerialNumber ourPsn = {0, kCurrentProcess}; - - ChkErr(SetFrontProcessWithOptions, &ourPsn, - frontWindowOnly ? kSetFrontProcessFrontWindowOnly : 0); - } -} - -/* - *---------------------------------------------------------------------- - * - * TkMacOSXBringWindowForward -- - * - * Bring this window to the front in response to a mouse click. If a grab - * is in effect, bring the grab window to the front instead. - * - * Results: - * None. - * - * Side effects: - * The window is brought forward. - * - *---------------------------------------------------------------------- - */ - -void -TkMacOSXBringWindowForward( - WindowRef wRef) -{ - TkDisplay *dispPtr = TkGetDisplayList(); - Tk_Window tkwin = - Tk_IdToWindow(dispPtr->display, TkMacOSXGetXWindow(wRef)); - Tk_Window grabWin = GetGrabWindowForWindow(tkwin); - - if (grabWin && grabWin != tkwin) { - wRef = TkMacOSXDrawableWindow(((TkWindow *) grabWin)->window); - } - TkMacOSXSetEatButtonUp(true); - BringWindowForward(wRef, Tk_MacOSXIsAppInFront(), !grabWin); -} - -/* - *---------------------------------------------------------------------- - * - * GetGrabWindowForWindow -- - * - * Get the grab window for the given window, if any. - * - * Results: - * Grab Tk_Window or None. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -Tk_Window -GetGrabWindowForWindow( - Tk_Window tkwin) -{ - Tk_Window grabWin = TkMacOSXGetCapture(); - - if (!grabWin) { - int grabState = TkGrabState((TkWindow *) tkwin); - - if (grabState != TK_GRAB_NONE && grabState != TK_GRAB_IN_TREE) { - grabWin = (Tk_Window) (((TkWindow *) tkwin)->dispPtr->grabWinPtr); - } - } - - return grabWin; -} - -/* - *---------------------------------------------------------------------- - * - * GenerateMouseWheelEvent -- - * - * Generates a "MouseWheel" Tk event. - * - * Results: - * None. - * - * Side effects: - * Places a mousewheel event on the event queue. - * - *---------------------------------------------------------------------- - */ - -static int -GenerateMouseWheelEvent( - MouseEventData *medPtr) -{ - Tk_Window tkwin, rootwin; - TkDisplay *dispPtr; - TkWindow *winPtr; - XEvent xEvent; - - dispPtr = TkGetDisplayList(); - rootwin = Tk_IdToWindow(dispPtr->display, medPtr->window); - if (rootwin == NULL) { - tkwin = NULL; - } else { - tkwin = Tk_TopCoordsToWindow(rootwin, medPtr->local.h, - medPtr->local.v, &xEvent.xbutton.x, &xEvent.xbutton.y); - } - - /* - * The following call will generate the appropiate X events and adjust any - * state that Tk must remember. - */ - - if (!tkwin) { - tkwin = TkMacOSXGetCapture(); - } - if (!tkwin) { - return false; - } - - winPtr = (TkWindow *) tkwin; - xEvent.type = MouseWheelEvent; - xEvent.xkey.keycode = medPtr->delta; - xEvent.xbutton.x_root = medPtr->global.h; - xEvent.xbutton.y_root = medPtr->global.v; - xEvent.xbutton.state = medPtr->state; - xEvent.xany.serial = LastKnownRequestProcessed(winPtr->display); - xEvent.xany.send_event = false; - xEvent.xany.display = winPtr->display; - xEvent.xany.window = Tk_WindowId(winPtr); - Tk_QueueWindowEvent(&xEvent, TCL_QUEUE_TAIL); - return true; -} - -/* - *---------------------------------------------------------------------- - * - * TkMacOSXGetEatButtonUp -- - * - * Results: - * Return the flag indicating if we need to eat the next mouse up event. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -int -TkMacOSXGetEatButtonUp(void) -{ - return gEatButtonUp; -} - -/* - *---------------------------------------------------------------------- - * - * TkMacOSXSetEatButtonUp -- - * - * Results: - * None. - * - * Side effects: - * Sets the flag indicating if we need to eat the next mouse up event - * - *---------------------------------------------------------------------- - */ - -void -TkMacOSXSetEatButtonUp( - int f) -{ - gEatButtonUp = f; -} - -/* - *---------------------------------------------------------------------- - * - * TkMacOSXKeyModifiers -- - * - * Returns the current state of the modifier keys. - * - * Results: - * An OS Modifier state. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -EventModifiers -TkMacOSXModifierState(void) -{ - UInt32 keyModifiers; - int isFrontProcess = (GetCurrentEvent() && Tk_MacOSXIsAppInFront()); - - keyModifiers = isFrontProcess ? GetCurrentEventKeyModifiers() : - GetCurrentKeyModifiers(); - - return (EventModifiers) (keyModifiers & USHRT_MAX); -} - -/* - *---------------------------------------------------------------------- - * - * TkMacOSXButtonKeyState -- - * - * Returns the current state of the button & modifier keys. - * - * Results: - * A bitwise inclusive OR of a subset of the following: Button1Mask, - * ShiftMask, LockMask, ControlMask, Mod*Mask. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -unsigned int -TkMacOSXButtonKeyState(void) -{ - UInt32 buttonState = 0, keyModifiers; - int isFrontProcess = (GetCurrentEvent() && Tk_MacOSXIsAppInFront()); - - if (!TkMacOSXGetEatButtonUp()) { - buttonState = isFrontProcess ? GetCurrentEventButtonState() : - GetCurrentButtonState(); - } - keyModifiers = isFrontProcess ? GetCurrentEventKeyModifiers() : - GetCurrentKeyModifiers(); - - return ButtonModifiers2State(buttonState, keyModifiers); -} - -/* - *---------------------------------------------------------------------- - * - * ButtonModifiers2State -- - * - * Converts Carbon mouse button state and modifier values into a Tk - * button/modifier state. - * - * Results: - * None. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -static unsigned int -ButtonModifiers2State( - UInt32 buttonState, - UInt32 keyModifiers) -{ - unsigned int state; - - /* - * Tk supports at most 5 buttons. - */ - - state = (buttonState & ((1<<5) - 1)) << 8; - - if (keyModifiers & alphaLock) { - state |= LockMask; - } - if (keyModifiers & shiftKey) { - state |= ShiftMask; - } - if (keyModifiers & controlKey) { - state |= ControlMask; - } - if (keyModifiers & cmdKey) { - state |= Mod1Mask; /* command key */ - } - if (keyModifiers & optionKey) { - state |= Mod2Mask; /* option key */ - } - if (keyModifiers & kEventKeyModifierNumLockMask) { - state |= Mod3Mask; - } - if (keyModifiers & kEventKeyModifierFnMask) { - state |= Mod4Mask; - } - - return state; -} - -/* - *---------------------------------------------------------------------- - * - * XQueryPointer -- - * - * Check the current state of the mouse. This is not a complete - * implementation of this function. It only computes the root coordinates - * and the current mask. - * - * Results: - * Sets root_x_return, root_y_return, and mask_return. Returns true on - * success. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -Bool -XQueryPointer( - Display *display, - Window w, - Window *root_return, - Window *child_return, - int *root_x_return, - int *root_y_return, - int *win_x_return, - int *win_y_return, - unsigned int *mask_return) -{ - int getGlobal = (root_x_return && root_y_return); - int getLocal = (win_x_return && win_y_return); - - if (getGlobal || getLocal) { - Point where, local; - OSStatus err = noErr; - int gotMouseLoc = 0; - EventRef ev = GetCurrentEvent(); - - if (ev && getLocal) { - err = ChkErr(GetEventParameter, ev, kEventParamWindowMouseLocation, - typeQDPoint, NULL, sizeof(Point), NULL, &local); - gotMouseLoc = (err == noErr); - } - if (getGlobal || !gotMouseLoc) { - if (ev) { - err = ChkErr(GetEventParameter, ev, kEventParamMouseLocation, - typeQDPoint, NULL, sizeof(Point), NULL, &where); - } - if (!ev || err != noErr) { - GetGlobalMouse(&where); - } - } - if (getLocal) { - WindowRef whichWin; - - if (ev) { - err = ChkErr(GetEventParameter, ev, kEventParamWindowRef, - typeWindowRef, NULL, sizeof(WindowRef), NULL, - &whichWin); - } - if (!ev || err != noErr) { - FindWindow(where, &whichWin); - } - if (gotMouseLoc) { - if (whichWin) { - Rect widths; - - ChkErr(GetWindowStructureWidths, whichWin, &widths); - local.h -= widths.left; - local.v -= widths.top; - } - } else { - local = where; - if (whichWin) { - QDGlobalToLocalPoint(GetWindowPort(whichWin), &local); - } - } - } - if (getGlobal) { - *root_x_return = where.h; - *root_y_return = where.v; - } - if (getLocal) { - *win_x_return = local.h; - *win_y_return = local.v; - } - } - if (mask_return) { - *mask_return = TkMacOSXButtonKeyState(); - } - return True; -} - -/* - *---------------------------------------------------------------------- - * - * TkGenerateButtonEventForXPointer -- - * - * This procedure generates an X button event for the current pointer - * state as reported by XQueryPointer(). - * - * Results: - * True if event(s) are generated - false otherwise. - * - * Side effects: - * Additional events may be place on the Tk event queue. Grab state may - * also change. - * - *---------------------------------------------------------------------- - */ - -MODULE_SCOPE int -TkGenerateButtonEventForXPointer( - Window window) /* X Window containing button event. */ -{ - MouseEventData med; - int global_x, global_y, local_x, local_y; - - bzero(&med, sizeof(MouseEventData)); - XQueryPointer(NULL, None, NULL, NULL, &global_x, &global_y, - &local_x, &local_y, &med.state); - med.global.h = global_x; - med.global.v = global_y; - med.local.h = local_x; - med.local.v = local_y; - med.window = window; - med.activeNonFloating = ActiveNonFloatingWindow(); - - return GenerateButtonEvent(&med); -} - -/* - *---------------------------------------------------------------------- - * - * TkGenerateButtonEvent -- - * - * Given a global x & y position and the button key status this procedure - * generates the appropiate X button event. It also handles the state - * changes needed to implement implicit grabs. - * - * Results: - * True if event(s) are generated, false otherwise. - * - * Side effects: - * Additional events may be place on the Tk event queue. Grab state may - * also change. - * - *---------------------------------------------------------------------- - */ - -int -TkGenerateButtonEvent( - int x, /* X location of mouse, */ - int y, /* Y location of mouse. */ - Window window, /* X Window containing button event. */ - unsigned int state) /* Button Key state suitable for X event. */ -{ - MouseEventData med; - - bzero(&med, sizeof(MouseEventData)); - med.state = state; - med.window = window; - med.global.h = x; - med.global.v = y; - FindWindow(med.global, &med.whichWin); - med.activeNonFloating = ActiveNonFloatingWindow(); - med.local = med.global; - QDGlobalToLocalPoint(GetWindowPort(med.whichWin), &med.local); - - return GenerateButtonEvent(&med); -} - -/* - *---------------------------------------------------------------------- - * - * GenerateButtonEvent -- - * - * Generate an X button event from a MouseEventData structure. Handles - * the state changes needed to implement implicit grabs. - * - * Results: - * True if event(s) are generated - false otherwise. - * - * Side effects: - * Additional events may be place on the Tk event queue. Grab state may - * also change. - * - *---------------------------------------------------------------------- - */ - -static int -GenerateButtonEvent( - MouseEventData *medPtr) -{ - Tk_Window tkwin; - int dummy; - TkDisplay *dispPtr; - -#if UNUSED - /* - * ButtonDown events will always occur in the front window. ButtonUp - * events, however, may occur anywhere on the screen. ButtonUp events - * should only be sent to Tk if in the front window or during an implicit - * grab. - */ - - if ((medPtr->activeNonFloating == NULL) - || ((!(TkpIsWindowFloating(medPtr->whichWin)) - && (medPtr->activeNonFloating != medPtr->whichWin)) - && TkMacOSXGetCapture() == NULL)) { - return false; - } -#endif - - dispPtr = TkGetDisplayList(); - tkwin = Tk_IdToWindow(dispPtr->display, medPtr->window); - - if (tkwin != NULL) { - tkwin = Tk_TopCoordsToWindow(tkwin, medPtr->local.h, medPtr->local.v, - &dummy, &dummy); - } - - Tk_UpdatePointer(tkwin, medPtr->global.h, medPtr->global.v, medPtr->state); - return true; -} - -/* - *---------------------------------------------------------------------- - * - * GenerateToolbarButtonEvent -- - * - * Generates a "ToolbarButton" virtual event. This can be used to manage - * disappearing toolbars. - * - * Results: - * None. - * - * Side effects: - * Places a virtual event on the event queue. - * - *---------------------------------------------------------------------- - */ - -static int -GenerateToolbarButtonEvent( - MouseEventData *medPtr) -{ - Tk_Window rootwin, tkwin = NULL; - TkDisplay *dispPtr; - TkWindow *winPtr; - XVirtualEvent event; - - dispPtr = TkGetDisplayList(); - rootwin = Tk_IdToWindow(dispPtr->display, medPtr->window); - if (rootwin) { - tkwin = Tk_TopCoordsToWindow(rootwin, - medPtr->local.h, medPtr->local.v, &event.x, &event.y); - } - if (!tkwin) { - return true; - } - winPtr = (TkWindow *) tkwin; - - bzero(&event, sizeof(XVirtualEvent)); - event.type = VirtualEvent; - event.serial = LastKnownRequestProcessed(winPtr->display); - event.send_event = false; - event.display = winPtr->display; - event.event = winPtr->window; - event.root = XRootWindow(winPtr->display, 0); - event.subwindow = None; - event.time = TkpGetMS(); - event.x_root = medPtr->global.h; - event.y_root = medPtr->global.v; - event.state = medPtr->state; - event.same_screen = true; - event.name = Tk_GetUid("ToolbarButton"); - - Tk_QueueWindowEvent((XEvent *) &event, TCL_QUEUE_TAIL); - return true; -} - -void -TkpWarpPointer( - TkDisplay *dispPtr) -{ - CGPoint pt; - UInt32 buttonState; - - if (dispPtr->warpWindow) { - int x, y; - - Tk_GetRootCoords(dispPtr->warpWindow, &x, &y); - pt.x = x + dispPtr->warpX; - pt.y = y + dispPtr->warpY; - } else { - pt.x = dispPtr->warpX; - pt.y = dispPtr->warpY; - } - - /* - * Tell the OSX core to generate the events to make it happen. This is - * fairly ugly, but means that under most circumstances we'll register all - * the events that would normally be generated correctly. If we use - * CGWarpMouseCursorPosition instead, strange things happen. - */ - - buttonState = (GetCurrentEvent() && Tk_MacOSXIsAppInFront()) - ? GetCurrentEventButtonState() : GetCurrentButtonState(); - - CGPostMouseEvent(pt, 1 /* generate motion events */, 5, - buttonState&1 ? 1 : 0, buttonState&2 ? 1 : 0, - buttonState&4 ? 1 : 0, buttonState&8 ? 1 : 0, - buttonState&16 ? 1 : 0); -} - -/* - * Local Variables: - * mode: c - * c-basic-offset: 4 - * fill-column: 79 - * coding: utf-8 - * End: - */ |