diff options
Diffstat (limited to 'win/tkWinWindow.c')
| -rw-r--r-- | win/tkWinWindow.c | 182 |
1 files changed, 179 insertions, 3 deletions
diff --git a/win/tkWinWindow.c b/win/tkWinWindow.c index a934f62..6d6d2d1 100644 --- a/win/tkWinWindow.c +++ b/win/tkWinWindow.c @@ -9,10 +9,11 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkWinWindow.c,v 1.18 2008/08/19 15:52:14 georgeps Exp $ + * RCS: @(#) $Id: tkWinWindow.c,v 1.19 2008/10/20 10:50:20 dkf Exp $ */ #include "tkWinInt.h" +#include "tkBusy.h" typedef struct ThreadSpecificData { int initialized; /* 0 means table below needs initializing. */ @@ -174,12 +175,13 @@ TkpPrintWindowId( /* * Use pointer representation, because Win64 is P64 (*not* LP64). Windows * doesn't print the 0x for %p, so we do it. - * bug #2026405: cygwin does output 0x for %p so test and recover. + * Bug 2026405: cygwin does output 0x for %p so test and recover. */ sprintf(buf, "0x%p", hwnd); - if (buf[2] == '0' && buf[3] == 'x') + if (buf[2] == '0' && buf[3] == 'x') { sprintf(buf, "%p", hwnd); + } } /* @@ -784,6 +786,180 @@ TkWinSetWindowPos( } /* + *---------------------------------------------------------------------- + * + * TkpShowBusyWindow -- + * + * Makes a busy window "appear". + * + * Results: + * None. + * + * Side effects: + * Arranges for the busy window to start intercepting events and the + * cursor to change to the configured "hey, I'm busy!" setting. + * + *---------------------------------------------------------------------- + */ + +void +TkpShowBusyWindow( + TkBusy busy) +{ + Busy *busyPtr = (Busy *) busy; + HWND hWnd; + POINT point; + Display *display; + Window window; + + if (busyPtr->tkBusy != NULL) { + Tk_MapWindow(busyPtr->tkBusy); + window = Tk_WindowId(busyPtr->tkBusy); + display = Tk_Display(busyPtr->tkBusy); + hWnd = Tk_GetHWND(window); + display->request++; + SetWindowPos(hWnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE); + } + + /* + * Under Win32, cursors aren't associated with windows. Tk fakes this by + * watching Motion events on its windows. So Tk will automatically change + * the cursor when the pointer enters the Busy window. But Windows does + * not immediately change the cursor; it waits for the cursor position to + * change or a system call. We need to change the cursor before the + * application starts processing, so set the cursor position redundantly + * back to the current position. + */ + + GetCursorPos(&point); + SetCursorPos(point.x, point.y); +} + +/* + *---------------------------------------------------------------------- + * + * TkpHideBusyWindow -- + * + * Makes a busy window "disappear". + * + * Results: + * None. + * + * Side effects: + * Arranges for the busy window to stop intercepting events, and the + * cursor to change back to its normal setting. + * + *---------------------------------------------------------------------- + */ + +void +TkpHideBusyWindow( + TkBusy busy) +{ + Busy *busyPtr = (Busy *) busy; + POINT point; + + if (busyPtr->tkBusy != NULL) { + Tk_UnmapWindow(busyPtr->tkBusy); + } + + /* + * Under Win32, cursors aren't associated with windows. Tk fakes this by + * watching Motion events on its windows. So Tk will automatically change + * the cursor when the pointer enters the Busy window. But Windows does + * not immediately change the cursor: it waits for the cursor position to + * change or a system call. We need to change the cursor before the + * application starts processing, so set the cursor position redundantly + * back to the current position. + */ + + GetCursorPos(&point); + SetCursorPos(point.x, point.y); +} + +/* + *---------------------------------------------------------------------- + * + * TkpMakeTransparentWindowExist -- + * + * Construct the platform-specific resources for a transparent window. + * + * Results: + * None. + * + * Side effects: + * Moves the specified window in the stacking order. + * + *---------------------------------------------------------------------- + */ + +void +TkpMakeTransparentWindowExist( + Tk_Window tkwin, /* Token for window. */ + Window parent) /* Parent window. */ +{ + TkWindow *winPtr = (TkWindow *) tkwin; + HWND hParent = (HWND) parent, hWnd; + int style = WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS; + DWORD exStyle = WS_EX_TRANSPARENT | WS_EX_TOPMOST; + +#define TK_WIN_CHILD_CLASS_NAME "TkChild" + hWnd = CreateWindowEx(exStyle, TK_WIN_CHILD_CLASS_NAME, NULL, style, + Tk_X(tkwin), Tk_Y(tkwin), Tk_Width(tkwin), Tk_Height(tkwin), + hParent, NULL, Tk_GetHINSTANCE(), NULL); + winPtr->window = Tk_AttachHWND(tkwin, hWnd); +} + +/* + *---------------------------------------------------------------------- + * + * TkpCreateBusy -- + * + * Construct the platform-specific parts of a busy window. Note that this + * postpones the actual creation of the window resource until later. + * + * Results: + * None. + * + * Side effects: + * Sets up part of the busy window structure. + * + *---------------------------------------------------------------------- + */ + +void +TkpCreateBusy( + Tk_FakeWin *winPtr, + Tk_Window tkRef, + Window *parentPtr, + Tk_Window tkParent, + TkBusy busy) +{ + Busy *busyPtr = (Busy *) busy; + + if (winPtr->flags & TK_REPARENTED) { + /* + * This works around a bug in the implementation of menubars for + * non-Macintosh window systems (Win32 and X11). Tk doesn't reset the + * pointers to the parent window when the menu is reparented + * (winPtr->parentPtr points to the wrong window). We get around this + * by determining the parent via the native API calls. + */ + + HWND hWnd = GetParent(Tk_GetHWND(Tk_WindowId(tkRef))); + RECT rect; + + if (GetWindowRect(hWnd, &rect)) { + busyPtr->width = rect.right - rect.left; + busyPtr->height = rect.bottom - rect.top; + } + } else { + *parentPtr = Tk_WindowId(tkParent); + *parentPtr = (Window) Tk_GetHWND(*parentPtr); + } +} + +/* * Local Variables: * mode: c * c-basic-offset: 4 |