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Diffstat (limited to 'src/SetWMCW.c')
| -rw-r--r-- | src/SetWMCW.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/SetWMCW.c b/src/SetWMCW.c new file mode 100644 index 0000000..56ba936 --- /dev/null +++ b/src/SetWMCW.c @@ -0,0 +1,152 @@ +/* $Xorg: SetWMCW.c,v 1.4 2001/02/09 02:03:58 xorgcvs Exp $ */ + +/* + * Copyright 1993 by Sun Microsystems, Inc. Mountain View, CA. + * + * SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- + * NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE LI- + * ABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR + * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR + * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH + * THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris D. Peterson, MIT X Consortium + */ + +/* + +Copyright 1989, 1994, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 +OPEN GROUP 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 Open Group 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 Open Group. + +*/ + +#include "IntrinsicI.h" +#include <X11/Xatom.h> + +/* Function Name: XtSetWMColormapWindows + * + * Description: Sets the value of the WM_COLORMAP_WINDOWS + * property on a widget's window. + * + * Arguments: widget - specifies the widget on whose window the + * - WM_COLORMAP_WINDOWS property will be stored. + * + * list - Specifies a list of widgets whose windows are to be + * listed in the WM_COLORMAP_WINDOWS property. + * count - Specifies the number of widgets in list. + * + * Returns: none. + */ + +void +XtSetWMColormapWindows(widget, list, count) +Widget widget, *list; +Cardinal count; +{ + Window *data; + Widget *checked, *top, *temp, hookobj; + Cardinal i, j, checked_count; + Boolean match; + Atom xa_wm_colormap_windows; + WIDGET_TO_APPCON(widget); + + LOCK_APP(app); + if ( !XtIsRealized(widget) || (count == 0) ) { + UNLOCK_APP(app); + return; + } + + top = checked = (Widget *) __XtMalloc( (Cardinal) sizeof(Widget) * count); + + +/* + * The specification calls for only adding the windows that have unique + * colormaps to the property to this function, so we will make a pass through + * the widget list removing all the widgets with non-unique colormaps. + * + * We will also remove any unrealized widgets from the list at this time. + */ + + for (checked_count = 0, i = 0; i < count; i++) { + if (!XtIsRealized(list[i])) continue; + + *checked = list[i]; + match = FALSE; + +/* + * Don't check first element for matching colormap since there is nothing + * to check it against. + */ + + if (checked != top) + for (j = 0, temp = top; j < checked_count ; j++, temp++) + if ( (*temp)->core.colormap == (*checked)->core.colormap) { + match = TRUE; + break; + } + +/* + * If no colormap was found to match then add this widget to the linked list. + */ + + if (!match) { + checked++; + checked_count++; + } + } + +/* + * Now that we have the list of widgets we need to convert it to a list of + * windows and set the property. + */ + + data = (Window *) __XtMalloc( (Cardinal) sizeof(Window) * checked_count); + + for ( i = 0 ; i < checked_count ; i++) + data[i] = XtWindow(top[i]); + + xa_wm_colormap_windows = XInternAtom(XtDisplay(widget), + "WM_COLORMAP_WINDOWS", FALSE); + + XChangeProperty(XtDisplay(widget), XtWindow(widget), + xa_wm_colormap_windows, XA_WINDOW, 32, + PropModeReplace, (unsigned char *) data, (int) i); + + hookobj = XtHooksOfDisplay(XtDisplay(widget)); + if (XtHasCallbacks(hookobj, XtNchangeHook) == XtCallbackHasSome) { + XtChangeHookDataRec call_data; + + call_data.type = XtHsetWMColormapWindows; + call_data.widget = widget; + call_data.event_data = (XtPointer) list; + call_data.num_event_data = count; + XtCallCallbackList(hookobj, + ((HookObject)hookobj)->hooks.changehook_callbacks, + (XtPointer)&call_data); + } + + XtFree( (char *) data); + XtFree( (char *) top); + UNLOCK_APP(app); +} |