diff options
Diffstat (limited to 'unix/tkUnixEmbed.c')
| -rw-r--r-- | unix/tkUnixEmbed.c | 199 |
1 files changed, 185 insertions, 14 deletions
diff --git a/unix/tkUnixEmbed.c b/unix/tkUnixEmbed.c index 5b5f486..bd5c512 100644 --- a/unix/tkUnixEmbed.c +++ b/unix/tkUnixEmbed.c @@ -4,7 +4,7 @@ * This file contains platform-specific functions for UNIX to provide * basic operations needed for application embedding (where one * application can use as its main window an internal window from some - * other application). + * other application). Also includes code to support busy windows. * * Copyright (c) 1996-1997 Sun Microsystems, Inc. * @@ -13,6 +13,7 @@ */ #include "tkUnixInt.h" +#include "tkBusy.h" /* * One of the following structures exists for each container in this @@ -95,7 +96,7 @@ TkpUseWindow( * string is bogus. */ Tk_Window tkwin, /* Tk window that does not yet have an * associated X window. */ - CONST char *string) /* String identifying an X window to use for + const char *string) /* String identifying an X window to use for * tkwin; must be an integer value. */ { TkWindow *winPtr = (TkWindow *) tkwin; @@ -136,7 +137,7 @@ TkpUseWindow( anyError = 0; handler = Tk_CreateErrorHandler(winPtr->display, -1, -1, -1, - EmbedErrorProc, (ClientData) &anyError); + EmbedErrorProc, &anyError); if (!XGetWindowAttributes(winPtr->display, parent, &parentAtts)) { anyError = 1; } @@ -158,7 +159,7 @@ TkpUseWindow( */ Tk_CreateEventHandler(tkwin, StructureNotifyMask, EmbeddedEventProc, - (ClientData) winPtr); + winPtr); /* * Save information about the container and the embedded window in a @@ -176,7 +177,7 @@ TkpUseWindow( } } if (containerPtr == NULL) { - containerPtr = (Container *) ckalloc(sizeof(Container)); + containerPtr = ckalloc(sizeof(Container)); containerPtr->parent = parent; containerPtr->parentRoot = parentAtts.root; containerPtr->parentPtr = NULL; @@ -279,7 +280,7 @@ TkpMakeContainer( */ Tk_MakeWindowExist(tkwin); - containerPtr = (Container *) ckalloc(sizeof(Container)); + containerPtr = ckalloc(sizeof(Container)); containerPtr->parent = Tk_WindowId(tkwin); containerPtr->parentRoot = RootWindowOfScreen(Tk_Screen(tkwin)); containerPtr->parentPtr = winPtr; @@ -300,11 +301,11 @@ TkpMakeContainer( XSelectInput(winPtr->display, winPtr->window, winPtr->atts.event_mask); Tk_CreateEventHandler(tkwin, SubstructureNotifyMask|SubstructureRedirectMask, - ContainerEventProc, (ClientData) winPtr); + ContainerEventProc, winPtr); Tk_CreateEventHandler(tkwin, StructureNotifyMask, EmbedStructureProc, - (ClientData) containerPtr); + containerPtr); Tk_CreateEventHandler(tkwin, FocusChangeMask, EmbedFocusProc, - (ClientData) containerPtr); + containerPtr); } /* @@ -405,7 +406,7 @@ ContainerEventProc( */ errHandler = Tk_CreateErrorHandler(eventPtr->xfocus.display, -1, - -1, -1, NULL, (ClientData) NULL); + -1, -1, NULL, NULL); /* * Find the Container structure associated with the parent window. @@ -508,7 +509,7 @@ EmbedStructureProc( */ errHandler = Tk_CreateErrorHandler(eventPtr->xfocus.display, -1, - -1, -1, NULL, (ClientData) NULL); + -1, -1, NULL, NULL); XMoveResizeWindow(eventPtr->xconfigure.display, containerPtr->wrapper, 0, 0, (unsigned) Tk_Width((Tk_Window) containerPtr->parentPtr), @@ -559,7 +560,7 @@ EmbedFocusProc( if (containerPtr->wrapper != None) { errHandler = Tk_CreateErrorHandler(eventPtr->xfocus.display, -1, - -1, -1, NULL, (ClientData) NULL); + -1, -1, NULL, NULL); XSetInputFocus(display, containerPtr->wrapper, RevertToParent, CurrentTime); Tk_DeleteErrorHandler(errHandler); @@ -865,7 +866,7 @@ TkpTestembedCmd( ClientData clientData, /* Main window for application. */ Tcl_Interp *interp, /* Current interpreter. */ int argc, /* Number of arguments. */ - CONST char **argv) /* Argument strings. */ + const char **argv) /* Argument strings. */ { int all; Container *containerPtr; @@ -972,7 +973,7 @@ EmbedWindowDeleted( } else { prevPtr->nextPtr = containerPtr->nextPtr; } - ckfree((char *) containerPtr); + ckfree(containerPtr); } } @@ -1013,6 +1014,176 @@ TkUnixContainerId( } /* + *---------------------------------------------------------------------- + * + * 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; + + if (busyPtr->tkBusy != NULL) { + Tk_MapWindow(busyPtr->tkBusy); + + /* + * Always raise the busy window just in case new sibling windows have + * been created in the meantime. Can't use Tk_RestackWindow because it + * doesn't work under Win32. + */ + + XRaiseWindow(Tk_Display(busyPtr->tkBusy), + Tk_WindowId(busyPtr->tkBusy)); + } +} + +/* + *---------------------------------------------------------------------- + * + * 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; + + if (busyPtr->tkBusy != NULL) { + Tk_UnmapWindow(busyPtr->tkBusy); + } +} + +/* + *---------------------------------------------------------------------- + * + * 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; + long int mask = CWDontPropagate | CWEventMask; + + /* + * Ignore the important events while the window is mapped. + */ + +#define USER_EVENTS \ + (EnterWindowMask | LeaveWindowMask | KeyPressMask | KeyReleaseMask | \ + ButtonPressMask | ButtonReleaseMask | PointerMotionMask) +#define PROP_EVENTS \ + (KeyPressMask | KeyReleaseMask | ButtonPressMask | \ + ButtonReleaseMask | PointerMotionMask) + + winPtr->atts.do_not_propagate_mask = PROP_EVENTS; + winPtr->atts.event_mask = USER_EVENTS; + winPtr->changes.border_width = 0; + winPtr->depth = 0; + + winPtr->window = XCreateWindow(winPtr->display, parent, + winPtr->changes.x, winPtr->changes.y, + (unsigned) winPtr->changes.width, /* width */ + (unsigned) winPtr->changes.height, /* height */ + (unsigned) winPtr->changes.border_width, /* border_width */ + winPtr->depth, InputOnly, winPtr->visual, mask, &winPtr->atts); +} + +/* + *---------------------------------------------------------------------- + * + * TkpCreateBusy -- + * + * Construct the platform-specific parts of a busy window. Note that this + * postpones the actual creation of the window resource until later. The + * GetParent() function is a helper for this. + * + * Results: + * None. + * + * Side effects: + * Sets up part of the busy window structure. + * + *---------------------------------------------------------------------- + */ + +static inline Window +GetParent( + Display *display, + Window window) +{ + Window root, parent; + Window *dummy; + unsigned int count; + + if (XQueryTree(display, window, &root, &parent, &dummy, &count) > 0) { + XFree(dummy); + return parent; + } + return None; +} + +void +TkpCreateBusy( + Tk_FakeWin *winPtr, + Tk_Window tkRef, + Window *parentPtr, + Tk_Window tkParent, + TkBusy 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 (since + * winPtr->parentPtr points to the wrong window). We get around this + * by determining the parent via the native API calls. + */ + + *parentPtr = GetParent(Tk_Display(tkRef), Tk_WindowId(tkRef)); + } else { + *parentPtr = Tk_WindowId(tkParent); + } +} + +/* * Local Variables: * mode: c * c-basic-offset: 4 |