/* XFunctions.m for XWindowServerKit Copyright (c) 2006 Yen-Ju Chen All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the Etoile project nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #import "XFunctions.h" #import "gnustep.h" #import #import BOOL XWindowClassHint(Window window, NSString **wm_class, NSString **wm_instance) { Display *dpy = (Display*)[GSCurrentServer() serverDevice]; XClassHint *class_hint; class_hint = XAllocClassHint(); if (XGetClassHint(dpy,window,class_hint) == 0) { if (wm_class) *wm_class = nil; if (wm_instance) *wm_instance = nil; XFree(class_hint); return NO; } if (wm_instance) *wm_instance = [NSString stringWithCString: class_hint->res_name]; if (wm_class) *wm_class = [NSString stringWithCString: class_hint->res_class]; XFree(class_hint); return YES; } NSImage *XWindowIcon(Window window) { NSImage *icon = nil; Display *dpy = (Display*)[GSCurrentServer() serverDevice]; unsigned long num; unsigned long *data = NULL; Atom prop = XInternAtom(dpy, "_NET_WM_ICON", False); Atom type_ret; int format_ret; unsigned long after_ret; int result = XGetWindowProperty(dpy, window, prop, 0, 0x7FFFFFFF, False, XA_CARDINAL, &type_ret, &format_ret, &num, &after_ret, (unsigned char **)&data); if ((result != Success)) { NSLog(@"Error: cannot get client icon"); if (data != NULL) { XFree(data); } return nil; } if (num && data) { int width = data[0]; int height = data[1]; int size = width * height; if (2+size > num) { NSLog(@"Internal Error: icon size larger than return data."); if (data != NULL) { XFree(data); } return nil; } /* Try to make a bitmap representation */ unsigned char *buf = calloc(sizeof(unsigned char), size * 4); int i = 0, j; for (j = 2; j < size; j++) { #if 1 /* Although this is correct behavior, it can be platform-dependent */ buf[i++] = (data[j] >> 16) & 0xff; // B buf[i++] = (data[j] >> 8) & 0xff; // G buf[i++] = (data[j] >> 0) & 0xff; // R buf[i++] = (data[j] >> 24) & 0xff; // A #else buf[i++] = (data[j] >> 24) & 0xff; // A buf[i++] = (data[j] >> 16) & 0xff; // R buf[i++] = (data[j] >> 8) & 0xff; // G buf[i++] = (data[j]) & 0xff; // B #endif } NSBitmapImageRep *rep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes: &buf pixelsWide: width pixelsHigh: height bitsPerSample: 8 /* depth */ samplesPerPixel: 4 /* channels */ hasAlpha: YES isPlanar: NO colorSpaceName: NSCalibratedRGBColorSpace bytesPerRow: 4 * width bitsPerPixel: 4 * 8]; icon = [[NSImage alloc] initWithSize: NSMakeSize(width, height)]; [icon addRepresentation: rep]; DESTROY(rep); /* Should free buf */ } if (data != NULL) { XFree(data); } return icon; } unsigned long XWindowState(Window win) { Display *dpy = (Display*)[GSCurrentServer() serverDevice]; unsigned long *data = NULL; unsigned long count; Atom prop = XInternAtom(dpy, "WM_STATE", False); Atom type_ret; int format_ret; unsigned long after_ret; int result = XGetWindowProperty(dpy, win, prop, 0, 0x7FFFFFFF, False, prop, &type_ret, &format_ret, &count, &after_ret, (unsigned char **)&data); if ((result != Success)) { NSLog(@"Error: cannot get client state"); if (data != NULL) { XFree(data); } return -1; } // Free data ? return data[0]; } Atom *XWindowNetStates(Window win, unsigned long *count) { Display *dpy = (Display*)[GSCurrentServer() serverDevice]; Atom *data = NULL; Atom prop = XInternAtom(dpy, "_NET_WM_STATE", False); Atom type_ret; int format_ret; unsigned long after_ret; int result = XGetWindowProperty(dpy, win, prop, 0, 0x7FFFFFFF, False, XA_ATOM, &type_ret, &format_ret, count, &after_ret, (unsigned char **)&data); if ((result != Success)) { NSLog(@"Error: cannot get net state of client"); *count = 0; if (data != NULL) { XFree(data); } return NULL; } return data; } Window XWindowGroupWindow(Window win) { Display *dpy = (Display*)[GSCurrentServer() serverDevice]; XWMHints *wmHints = XGetWMHints(dpy, win); if (wmHints) { Window group_leader = wmHints->window_group; XFree(wmHints); return group_leader; } return 0; } NSString* XWindowCommandPath(Window win) { /* WM_COMMAND is not used by many modern applications */ Display *dpy = (Display*)[GSCurrentServer() serverDevice]; int argc_return; char **argv_return; int result = XGetCommand(dpy, win, &argv_return, &argc_return); if ((result == 0) || (argc_return == 0)) { //NSLog(@"No command available"); return nil; } // FIXME: should process string list to get all arguments return [NSString stringWithCString: argv_return[0]]; } /* This one does not work because GNUstep * only set IconWindowHint for WindowMaker */ BOOL XWindowIsIcon(Window win) { Display *dpy = (Display*)[GSCurrentServer() serverDevice]; XWMHints* hints = XGetWMHints (dpy, win); if (hints != NULL) { if (hints->flags & IconWindowHint) { //NSLog (@"ICON WINDOW"); return YES; } XFree (hints); } return NO; } void XWindowCloseWindow(Window win, BOOL forcefully) { Display *dpy = (Display*)[GSCurrentServer() serverDevice]; if (forcefully) { XKillClient(dpy, win); } Atom *data = NULL; Atom prop = XInternAtom(dpy, "WM_PROTOCOLS", False); Atom delete_window = XInternAtom(dpy, "WM_DELETE_WINDOW", False); Atom type_ret; int format_ret; unsigned long after_ret, count; int result = XGetWindowProperty(dpy, win, prop, 0, 0x7FFFFFFF, False, XA_ATOM, &type_ret, &format_ret, &count, &after_ret, (unsigned char **)&data); if ((result != Success)) { NSLog(@"Cannot get wm_protocols of client. Quit forcefully."); // Do not support quit gracefully. Must be forcefully. if (data != NULL) { XFree(data); } XKillClient(dpy, win); } else { int i; for (i = 0; i < count; i++) { if (data[i] == delete_window) { //NSLog(@"Support WM_DELETE_WINDOW"); /* Send message to quit */ XClientMessageEvent *xev = calloc(1, sizeof(XClientMessageEvent)); xev->type = ClientMessage; xev->display = dpy; xev->window = win; xev->message_type = prop; xev->format = 32; xev->data.l[0] = delete_window; xev->data.l[1] = 0; // just in case xev->data.l[2] = 0; xev->data.l[3] = 0; XSendEvent(dpy, win, False, NoEventMask, (XEvent *)xev); XFree(xev); } } } if (data != NULL) { XFree(data); } } BOOL XGNUstepWindowLevel(Window win, int *level) { Display *dpy = (Display*)[GSCurrentServer() serverDevice]; unsigned long *data = NULL; Atom prop = XInternAtom(dpy, _GNUSTEP_WM_ATTR, False); Atom type_ret; int format_ret; unsigned long after_ret, count;; int result = XGetWindowProperty(dpy, win, prop, 0, 0x7FFFFFFF, False, prop, &type_ret, &format_ret, &count, &after_ret, (unsigned char **)&data); if ((result == Success)) { if (data[0] & GSWindowLevelAttr) { *level = data[2]; if (data != NULL) { XFree(data); } return YES; } } if (data != NULL) { XFree(data); } return NO; }