Description: Notify xsettings-kde when the gtk theme has changed. Author: Felix Geyer --- kcm-gtk-0.5.3.orig/CMakeLists.txt +++ kcm-gtk-0.5.3/CMakeLists.txt @@ -3,6 +3,7 @@ project(kcm-gtk) # Find the required Libaries find_package(KDE4 REQUIRED) include(KDE4Defaults) +find_package(X11 REQUIRED) add_definitions (${QT_DEFINITIONS} ${KDE4_DEFINITIONS}) include_directories( @@ -20,6 +20,7 @@ SET(kcm_gtk_SOURCES kcmgtk.cpp gtkrcfile.cpp searchpaths.cpp + kipc.cpp ) # UI files @@ -35,7 +37,7 @@ KDE4_ADD_PLUGIN(kcm_gtk ${kcm_gtk_SOURCE INCLUDE_DIRECTORIES(${KDE4_INCLUDE_DIR}) LINK_DIRECTORIES(${KDE4_LIB_DIR}) -TARGET_LINK_LIBRARIES(kcm_gtk ${KDE4_KDECORE_LIBRARY} ${KDE4_KDEUI_LIBRARY} ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY}) +TARGET_LINK_LIBRARIES(kcm_gtk ${KDE4_KDECORE_LIBRARY} ${KDE4_KDEUI_LIBRARY} ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${X11_X11_LIB}) INSTALL( TARGETS kcm_gtk --- kcm-gtk-0.5.3.orig/kcmgtk.cpp +++ kcm-gtk-0.5.3/kcmgtk.cpp @@ -21,6 +21,7 @@ #include "kcmgtk.h" #include "gtkrcfile.h" #include "searchpaths.h" +#include "kipc.h" #include #include @@ -111,6 +112,7 @@ void KcmGtk::save() { // Write ~/.gtkrc-2.0-kde4 m_gtkRc->save(); + KIPC::sendMessageAll(KIPC::StyleChanged); } void KcmGtk::defaults() --- /dev/null +++ kcm-gtk-0.5.3/kipc.cpp @@ -0,0 +1,100 @@ +/* This file is part of the KDE libraries + + Copyright (C) 1999 Mattias Ettrich (ettrich@kde.org) + Copyright (C) 1999,2000 Geert Jansen + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + + +/* + * kipc.cpp: Send a message to one/all KDE apps. + * + * $Id: kipc.cpp 482239 2005-11-22 08:32:28Z coolo $ + */ +#include "kipc.h" +#include + +#if defined Q_WS_X11 +#include +#include +#endif + + + +#if defined Q_WS_X11 +static long getSimpleProperty(Window w, Atom a) +{ + Atom real_type; + int format; + unsigned long n, extra, res = 0; + int status; + unsigned char *p = 0; + + status = XGetWindowProperty(QX11Info::display(), w, a, 0L, 1L, False, a, + &real_type, &format, &n, &extra, &p); + if ((status == Success) && (n == 1) && (format == 32)) + res = *(unsigned long*)p; + if (p) XFree(p); + return res; +} +#endif + +void KIPC::sendMessage(Message msg, WId w, int data) +{ +#if defined Q_WS_X11 + static Atom a = 0; + if (a == 0) + a = XInternAtom(QX11Info::display(), "KIPC_COMM_ATOM", False); + XEvent ev; + ev.xclient.type = ClientMessage; + ev.xclient.display = QX11Info::display(); + ev.xclient.window = (Window) w; + ev.xclient.message_type = a; + ev.xclient.format = 32; + ev.xclient.data.l[0] = msg; + ev.xclient.data.l[1] = data; + XSendEvent(QX11Info::display(), (Window) w, False, 0L, &ev); + +#endif +} + + +void KIPC::sendMessageAll(Message msg, int data) +{ +#if defined Q_WS_X11 + unsigned int i, nrootwins; + Window dw1, dw2, *rootwins = 0; + Display *dpy = QX11Info::display(); + int screen_count = ScreenCount(dpy); + + for (int s = 0; s < screen_count; s++) + { + Window root = RootWindow(dpy, s); + + XQueryTree(dpy, root, &dw1, &dw2, &rootwins, &nrootwins); + Atom a = XInternAtom(QX11Info::display(), "KDE_DESKTOP_WINDOW", False); + for (i = 0; i < nrootwins; i++) + { + if (getSimpleProperty(rootwins[i], a) != 0L) + sendMessage(msg, rootwins[i], data); + } + XFree((char *) rootwins); + } + XSync(dpy,False); +#endif +} + --- /dev/null +++ kcm-gtk-0.5.3/kipc.h @@ -0,0 +1,79 @@ +/* This file is part of the KDE libraries + + Copyright (C) 1999 Mattias Ettrich (ettrich@kde.org) + Copyright (C) 1999,2000 Geert Jansen + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#ifndef __KIPC_h_Included__ +#define __KIPC_h_Included__ + +/** + * This class implements a very simple IPC mechanism for KDE. You can send + * a message of a predefined type to either a specific application, or to all + * KDE application on the current display. The message can carry one integer of + * data. + * + * KIPC is mainly used in KDE for sending "Change Messages", i.e. a message to + * all KDE apps that a certain setting (the font, for example) has changed. + * For anything more complex it is recommended to use DCOP -- the Desktop + * Communications Protocol. + * + * Messages with id code < 32 are called "System Messages". These are + * directly handled by KApplication. Examples are: PaletteChanged and + * StyleChanged. Messages with id code >= 32 are user messages. KApplication + * emits the signal kipcMessage(id,arg) for each user message it receives. + * + * KIPC is implemented using X11 ClientMessage events. + * + * @see KApplication::kipcMessage() + * @author Geert Jansen + */ + +#include + +class KIPC +{ +public: + /** + * A identifier for messages. Messages below UserMessage are system + * messages, messages above can be defined by the user. + */ + enum Message { PaletteChanged=0, FontChanged, StyleChanged, + BackgroundChanged, SettingsChanged, IconChanged, ToolbarStyleChanged, + ClipboardConfigChanged, /// @since 3.1 + BlockShortcuts, /// @since 3.5 + UserMessage=32 }; + + /** + * Send a message to a specific application. + * + * @param msg The message to send. + * @param w The window id of a toplevel window of the target application. + * @param data An optional integer of data. + */ + static void sendMessage(Message msg, WId w, int data=0); + + /** + * Send a message to all KDE application on the current display. + * + * @param msg The message to send. + * @param data An optional integer of data. + */ + static void sendMessageAll(Message msg, int data=0); +}; +#endif