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authorWilliam Joye <wjoye@cfa.harvard.edu>2018-12-25 17:45:11 (GMT)
committerWilliam Joye <wjoye@cfa.harvard.edu>2018-12-25 17:45:11 (GMT)
commit5f5fd2864a3193a8d5da12fcb92ba7379084c286 (patch)
treebcdca927ed2a7b05c647b9a6bfdfd4a7ca5c730e /tk8.6/win/tkWinPointer.c
parent535baffcecf6e738102fc12cda0109bc963e150f (diff)
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update tcl/tk
Diffstat (limited to 'tk8.6/win/tkWinPointer.c')
-rw-r--r--tk8.6/win/tkWinPointer.c546
1 files changed, 0 insertions, 546 deletions
diff --git a/tk8.6/win/tkWinPointer.c b/tk8.6/win/tkWinPointer.c
deleted file mode 100644
index 6f1f840..0000000
--- a/tk8.6/win/tkWinPointer.c
+++ /dev/null
@@ -1,546 +0,0 @@
-/*
- * tkWinPointer.c --
- *
- * Windows specific mouse tracking code.
- *
- * Copyright (c) 1995-1997 Sun Microsystems, Inc.
- * Copyright (c) 1998-1999 by Scriptics Corporation.
- *
- * See the file "license.terms" for information on usage and redistribution of
- * this file, and for a DISCLAIMER OF ALL WARRANTIES.
- */
-
-#include "tkWinInt.h"
-
-/*
- * Check for enter/leave events every MOUSE_TIMER_INTERVAL milliseconds.
- */
-
-#define MOUSE_TIMER_INTERVAL 250
-
-/*
- * Declarations of static variables used in this file.
- */
-
-static int captured = 0; /* 1 if mouse is currently captured. */
-static TkWindow *keyboardWinPtr = NULL; /* Current keyboard grab window. */
-static Tcl_TimerToken mouseTimer; /* Handle to the latest mouse timer. */
-static int mouseTimerSet = 0; /* 1 if the mouse timer is active. */
-
-/*
- * Forward declarations of procedures used in this file.
- */
-
-static void MouseTimerProc(ClientData clientData);
-
-/*
- *----------------------------------------------------------------------
- *
- * TkWinGetModifierState --
- *
- * Return the modifier state as of the last message.
- *
- * Results:
- * Returns the X modifier mask.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
-int
-TkWinGetModifierState(void)
-{
- int state = 0;
-
- if (GetKeyState(VK_SHIFT) & 0x8000) {
- state |= ShiftMask;
- }
- if (GetKeyState(VK_CONTROL) & 0x8000) {
- state |= ControlMask;
- }
- if (GetKeyState(VK_MENU) & 0x8000) {
- state |= ALT_MASK;
- }
- if (GetKeyState(VK_CAPITAL) & 0x0001) {
- state |= LockMask;
- }
- if (GetKeyState(VK_NUMLOCK) & 0x0001) {
- state |= Mod1Mask;
- }
- if (GetKeyState(VK_SCROLL) & 0x0001) {
- state |= Mod3Mask;
- }
- if (GetKeyState(VK_LBUTTON) & 0x8000) {
- state |= Button1Mask;
- }
- if (GetKeyState(VK_MBUTTON) & 0x8000) {
- state |= Button2Mask;
- }
- if (GetKeyState(VK_RBUTTON) & 0x8000) {
- state |= Button3Mask;
- }
- return state;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * Tk_PointerEvent --
- *
- * This procedure is called for each pointer-related event. It converts
- * the position to root coords and updates the global pointer state
- * machine. It also ensures that the mouse timer is scheduled.
- *
- * Results:
- * None.
- *
- * Side effects:
- * May queue events and change the grab state.
- *
- *----------------------------------------------------------------------
- */
-
-void
-Tk_PointerEvent(
- HWND hwnd, /* Window for coords, or NULL for the root
- * window. */
- int x, int y) /* Coords relative to hwnd, or screen if hwnd
- * is NULL. */
-{
- POINT pos;
- int state;
- Tk_Window tkwin;
-
- pos.x = x;
- pos.y = y;
-
- /*
- * Convert client coords to root coords if we were given a window.
- */
-
- if (hwnd) {
- ClientToScreen(hwnd, &pos);
- }
-
- /*
- * If the mouse is captured, Windows will report all pointer events to the
- * capture window. So, we need to determine which window the mouse is
- * really over and change the event. Note that the computed hwnd may point
- * to a window not owned by Tk, or a toplevel decorative frame, so tkwin
- * can be NULL.
- */
-
- if (captured || hwnd == NULL) {
- hwnd = WindowFromPoint(pos);
- }
- tkwin = Tk_HWNDToWindow(hwnd);
-
- state = TkWinGetModifierState();
-
- Tk_UpdatePointer(tkwin, pos.x, pos.y, state);
-
- if ((captured || tkwin) && !mouseTimerSet) {
- mouseTimerSet = 1;
- mouseTimer = Tcl_CreateTimerHandler(MOUSE_TIMER_INTERVAL,
- MouseTimerProc, NULL);
- }
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * XGrabKeyboard --
- *
- * Simulates a keyboard grab by setting the focus.
- *
- * Results:
- * Always returns GrabSuccess.
- *
- * Side effects:
- * Sets the keyboard focus to the specified window.
- *
- *----------------------------------------------------------------------
- */
-
-int
-XGrabKeyboard(
- Display *display,
- Window grab_window,
- Bool owner_events,
- int pointer_mode,
- int keyboard_mode,
- Time time)
-{
- keyboardWinPtr = TkWinGetWinPtr(grab_window);
- return GrabSuccess;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * XUngrabKeyboard --
- *
- * Releases the simulated keyboard grab.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Sets the keyboard focus back to the value before the grab.
- *
- *----------------------------------------------------------------------
- */
-
-int
-XUngrabKeyboard(
- Display *display,
- Time time)
-{
- keyboardWinPtr = NULL;
- return Success;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * MouseTimerProc --
- *
- * Check the current mouse position and look for enter/leave events.
- *
- * Results:
- * None.
- *
- * Side effects:
- * May schedule a new timer and/or generate enter/leave events.
- *
- *----------------------------------------------------------------------
- */
-
-void
-MouseTimerProc(
- ClientData clientData)
-{
- POINT pos;
-
- mouseTimerSet = 0;
-
- /*
- * Get the current mouse position and window. Don't do anything if the
- * mouse hasn't moved since the last time we looked.
- */
-
- GetCursorPos(&pos);
- Tk_PointerEvent(NULL, pos.x, pos.y);
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkWinCancelMouseTimer --
- *
- * If the mouse timer is set, cancel it.
- *
- * Results:
- * None.
- *
- * Side effects:
- * May cancel the mouse timer.
- *
- *----------------------------------------------------------------------
- */
-
-void
-TkWinCancelMouseTimer(void)
-{
- if (mouseTimerSet) {
- Tcl_DeleteTimerHandler(mouseTimer);
- mouseTimerSet = 0;
- }
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkGetPointerCoords --
- *
- * Fetch the position of the mouse pointer.
- *
- * Results:
- * *xPtr and *yPtr are filled in with the root coordinates of the mouse
- * pointer for the display.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
-void
-TkGetPointerCoords(
- Tk_Window tkwin, /* Window that identifies screen on which
- * lookup is to be done. */
- int *xPtr, int *yPtr) /* Store pointer coordinates here. */
-{
- POINT point;
-
- GetCursorPos(&point);
- *xPtr = point.x;
- *yPtr = point.y;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * 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)
-{
- display->request++;
- TkGetPointerCoords(NULL, root_x_return, root_y_return);
- *mask_return = TkWinGetModifierState();
- return True;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * XWarpPointer --
- *
- * Move pointer to new location. This is not a complete implementation of
- * this function.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Mouse pointer changes position on screen.
- *
- *----------------------------------------------------------------------
- */
-
-int
-XWarpPointer(
- Display *display,
- Window src_w,
- Window dest_w,
- int src_x,
- int src_y,
- unsigned int src_width,
- unsigned int src_height,
- int dest_x,
- int dest_y)
-{
- RECT r;
-
- GetWindowRect(Tk_GetHWND(dest_w), &r);
- SetCursorPos(r.left+dest_x, r.top+dest_y);
- return Success;
-}
-
-void
-TkpWarpPointer(
- TkDisplay *dispPtr)
-{
- if (dispPtr->warpWindow) {
- RECT r;
-
- GetWindowRect(Tk_GetHWND(Tk_WindowId(dispPtr->warpWindow)), &r);
- SetCursorPos(r.left + dispPtr->warpX, r.top + dispPtr->warpY);
- } else {
- SetCursorPos(dispPtr->warpX, dispPtr->warpY);
- }
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * XGetInputFocus --
- *
- * Retrieves the current keyboard focus window.
- *
- * Results:
- * Returns the current focus window.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
-int
-XGetInputFocus(
- Display *display,
- Window *focus_return,
- int *revert_to_return)
-{
- Tk_Window tkwin = Tk_HWNDToWindow(GetFocus());
-
- *focus_return = tkwin ? Tk_WindowId(tkwin) : None;
- *revert_to_return = RevertToParent;
- display->request++;
- return Success;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * XSetInputFocus --
- *
- * Set the current focus window.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Changes the keyboard focus and causes the selected window to
- * be activated.
- *
- *----------------------------------------------------------------------
- */
-
-int
-XSetInputFocus(
- Display *display,
- Window focus,
- int revert_to,
- Time time)
-{
- display->request++;
- if (focus != None) {
- SetFocus(Tk_GetHWND(focus));
- }
- return Success;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkpChangeFocus --
- *
- * This procedure is invoked to move the system focus from one window to
- * another.
- *
- * Results:
- * The return value is the serial number of the command that changed the
- * focus. It may be needed by the caller to filter out focus change
- * events that were queued before the command. If the procedure doesn't
- * actually change the focus then it returns 0.
- *
- * Side effects:
- * The official Windows focus window changes; the application's focus
- * window isn't changed by this procedure.
- *
- *----------------------------------------------------------------------
- */
-
-int
-TkpChangeFocus(
- TkWindow *winPtr, /* Window that is to receive the X focus. */
- int force) /* Non-zero means claim the focus even if it
- * didn't originally belong to topLevelPtr's
- * application. */
-{
- TkDisplay *dispPtr = winPtr->dispPtr;
- Window focusWindow;
- int dummy, serial;
- TkWindow *winPtr2;
-
- if (!force) {
- XGetInputFocus(dispPtr->display, &focusWindow, &dummy);
- winPtr2 = (TkWindow *) Tk_IdToWindow(dispPtr->display, focusWindow);
- if ((winPtr2 == NULL) || (winPtr2->mainPtr != winPtr->mainPtr)) {
- return 0;
- }
- }
-
- if (winPtr->window == None) {
- Tcl_Panic("ChangeXFocus got null X window");
- }
-
- /*
- * Change the foreground window so the focus window is raised to the top
- * of the system stacking order and gets the keyboard focus.
- */
-
- if (force) {
- TkWinSetForegroundWindow(winPtr);
- }
- XSetInputFocus(dispPtr->display, winPtr->window, RevertToParent,
- CurrentTime);
-
- /*
- * Remember the current serial number for the X server and issue a dummy
- * server request. This marks the position at which we changed the focus,
- * so we can distinguish FocusIn and FocusOut events on either side of the
- * mark.
- */
-
- serial = NextRequest(winPtr->display);
- XNoOp(winPtr->display);
- return serial;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkpSetCapture --
- *
- * This function captures the mouse so that all future events will be
- * reported to this window, even if the mouse is outside the window. If
- * the specified window is NULL, then the mouse is released.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Sets the capture flag and captures the mouse.
- *
- *----------------------------------------------------------------------
- */
-
-void
-TkpSetCapture(
- TkWindow *winPtr) /* Capture window, or NULL. */
-{
- if (winPtr) {
- SetCapture(Tk_GetHWND(Tk_WindowId(winPtr)));
- captured = 1;
- } else {
- captured = 0;
- ReleaseCapture();
- }
-}
-
-/*
- * Local Variables:
- * mode: c
- * c-basic-offset: 4
- * fill-column: 78
- * End:
- */