mirror of https://github.com/edeproject/ede.git
565 lines
15 KiB
C++
565 lines
15 KiB
C++
#include <string.h>
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#include <X11/Xproto.h>
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#include <FL/Fl.H>
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#include <FL/x.H>
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#include <FL/Fl_Window.H>
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#include <edelib/Debug.h>
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#include <edelib/List.h>
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#include "Netwm.h"
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EDELIB_NS_USING(list)
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struct NetwmCallbackData {
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NetwmCallback cb;
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void *data;
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};
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typedef list<NetwmCallbackData> CbList;
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typedef list<NetwmCallbackData>::iterator CbListIt;
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static CbList callback_list;
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static bool input_selected = false;
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static Atom _XA_NET_WORKAREA;
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static Atom _XA_NET_WM_WINDOW_TYPE;
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static Atom _XA_NET_WM_WINDOW_TYPE_DOCK;
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static Atom _XA_NET_WM_WINDOW_TYPE_DESKTOP;
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static Atom _XA_NET_WM_WINDOW_TYPE_SPLASH;
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static Atom _XA_NET_WM_STRUT;
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static Atom _XA_NET_NUMBER_OF_DESKTOPS;
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static Atom _XA_NET_CURRENT_DESKTOP;
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static Atom _XA_NET_DESKTOP_NAMES;
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static Atom _XA_NET_CLIENT_LIST;
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static Atom _XA_NET_WM_DESKTOP;
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static Atom _XA_NET_WM_NAME;
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static Atom _XA_NET_WM_VISIBLE_NAME;
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static Atom _XA_NET_ACTIVE_WINDOW;
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static Atom _XA_NET_CLOSE_WINDOW;
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static Atom _XA_WM_STATE;
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static Atom _XA_NET_WM_STATE;
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static Atom _XA_NET_WM_STATE_MAXIMIZED_HORZ;
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static Atom _XA_NET_WM_STATE_MAXIMIZED_VERT;
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static Atom _XA_EDE_WM_ACTION;
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static Atom _XA_EDE_WM_RESTORE_SIZE;
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/* this macro is set in xlib when X-es provides UTF-8 extension (since XFree86 4.0.2) */
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#if X_HAVE_UTF8_STRING
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static Atom _XA_UTF8_STRING;
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#else
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# define _XA_UTF8_STRING XA_STRING
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#endif
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static short atoms_inited = 0;
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static void init_atoms_once(void) {
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if(atoms_inited)
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return;
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_XA_NET_WORKAREA = XInternAtom(fl_display, "_NET_WORKAREA", False);
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_XA_NET_WM_WINDOW_TYPE = XInternAtom(fl_display, "_NET_WM_WINDOW_TYPE", False);
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_XA_NET_WM_WINDOW_TYPE_DOCK = XInternAtom(fl_display, "_NET_WM_WINDOW_TYPE_DOCK", False);
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_XA_NET_WM_WINDOW_TYPE_SPLASH = XInternAtom(fl_display, "_NET_WM_WINDOW_TYPE_SPLASH", False);
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_XA_NET_WM_WINDOW_TYPE_DESKTOP = XInternAtom(fl_display, "_NET_WM_WINDOW_TYPE_DESKTOP", False);
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_XA_NET_WM_STRUT = XInternAtom(fl_display, "_NET_WM_STRUT", False);
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_XA_NET_NUMBER_OF_DESKTOPS = XInternAtom(fl_display, "_NET_NUMBER_OF_DESKTOPS", False);
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_XA_NET_CURRENT_DESKTOP = XInternAtom(fl_display, "_NET_CURRENT_DESKTOP", False);
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_XA_NET_DESKTOP_NAMES = XInternAtom(fl_display, "_NET_DESKTOP_NAMES", False);
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_XA_NET_CLIENT_LIST = XInternAtom(fl_display, "_NET_CLIENT_LIST", False);
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_XA_NET_WM_DESKTOP = XInternAtom(fl_display, "_NET_WM_DESKTOP", False);
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_XA_NET_WM_NAME = XInternAtom(fl_display, "_NET_WM_NAME", False);
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_XA_NET_WM_VISIBLE_NAME = XInternAtom(fl_display, "_NET_WM_VISIBLE_NAME", False);
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_XA_NET_ACTIVE_WINDOW = XInternAtom(fl_display, "_NET_ACTIVE_WINDOW", False);
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_XA_NET_CLOSE_WINDOW = XInternAtom(fl_display, "_NET_CLOSE_WINDOW", False);
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_XA_WM_STATE = XInternAtom(fl_display, "WM_STATE", False);
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_XA_NET_WM_STATE = XInternAtom(fl_display, "_NET_WM_STATE", False);
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_XA_NET_WM_STATE_MAXIMIZED_HORZ = XInternAtom(fl_display, "_NET_WM_STATE_MAXIMIZED_HORZ", False);
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_XA_NET_WM_STATE_MAXIMIZED_VERT = XInternAtom(fl_display, "_NET_WM_STATE_MAXIMIZED_VERT", False);
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_XA_EDE_WM_ACTION = XInternAtom(fl_display, "_EDE_WM_ACTION", False);
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_XA_EDE_WM_RESTORE_SIZE = XInternAtom(fl_display, "_EDE_WM_RESTORE_SIZE", False);
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#ifdef X_HAVE_UTF8_STRING
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_XA_UTF8_STRING = XInternAtom(fl_display, "UTF8_STRING", False);
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#endif
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atoms_inited = 1;
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}
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static int xevent_handler(int e) {
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if(fl_xevent->type == PropertyNotify) {
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int action = -1;
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E_DEBUG("==> %s\n", XGetAtomName(fl_display, fl_xevent->xproperty.atom));
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if(fl_xevent->xproperty.atom == _XA_NET_NUMBER_OF_DESKTOPS)
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action = NETWM_CHANGED_WORKSPACE_COUNT;
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else if(fl_xevent->xproperty.atom == _XA_NET_DESKTOP_NAMES)
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action = NETWM_CHANGED_WORKSPACE_NAMES;
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else if(fl_xevent->xproperty.atom == _XA_NET_CURRENT_DESKTOP)
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action = NETWM_CHANGED_CURRENT_WORKSPACE;
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else if(fl_xevent->xproperty.atom == _XA_NET_WORKAREA)
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action = NETWM_CHANGED_CURRENT_WORKAREA;
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else if(fl_xevent->xproperty.atom == _XA_NET_ACTIVE_WINDOW)
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action = NETWM_CHANGED_ACTIVE_WINDOW;
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else if(fl_xevent->xproperty.atom == _XA_NET_WM_NAME || fl_xevent->xproperty.atom == XA_WM_NAME)
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action = NETWM_CHANGED_WINDOW_NAME;
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else if(fl_xevent->xproperty.atom == _XA_NET_WM_VISIBLE_NAME)
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action = NETWM_CHANGED_WINDOW_VISIBLE_NAME;
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else if(fl_xevent->xproperty.atom == _XA_NET_WM_DESKTOP)
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action = NETWM_CHANGED_WINDOW_DESKTOP;
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else if(fl_xevent->xproperty.atom == _XA_NET_CLIENT_LIST)
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action = NETWM_CHANGED_WINDOW_LIST;
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else
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action = -1;
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if(action >= 0 && !callback_list.empty()) {
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Window xid = fl_xevent->xproperty.window;
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/* TODO: locking here */
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CbListIt it = callback_list.begin(), it_end = callback_list.end();
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for(; it != it_end; ++it) {
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/* execute callback */
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(*it).cb(action, xid, (*it).data);
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}
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}
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}
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return 0;
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}
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void netwm_callback_add(NetwmCallback cb, void *data) {
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E_RETURN_IF_FAIL(cb != NULL);
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fl_open_display();
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init_atoms_once();
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/* to catch _XA_NET_CURRENT_DESKTOP and such events */
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if(!input_selected) {
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XSelectInput(fl_display, RootWindow(fl_display, fl_screen), PropertyChangeMask | StructureNotifyMask);
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input_selected = true;
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}
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NetwmCallbackData cb_data;
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cb_data.cb = cb;
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cb_data.data = data;
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callback_list.push_back(cb_data);
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Fl::remove_handler(xevent_handler);
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Fl::add_handler(xevent_handler);
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}
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void netwm_callback_remove(NetwmCallback cb) {
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if(callback_list.empty())
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return;
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CbListIt it = callback_list.begin(), it_end = callback_list.end();
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while(it != it_end) {
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if(cb == (*it).cb) {
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it = callback_list.erase(it);
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} else {
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/* continue, in case the same callback is put multiple times */
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++it;
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}
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}
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}
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bool netwm_get_workarea(int& x, int& y, int& w, int &h) {
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init_atoms_once();
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Atom real;
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int format;
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unsigned long n, extra;
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unsigned char* prop;
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x = y = w = h = 0;
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int status = XGetWindowProperty(fl_display, RootWindow(fl_display, fl_screen),
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_XA_NET_WORKAREA, 0L, 0x7fffffff, False, XA_CARDINAL, &real, &format, &n, &extra, (unsigned char**)&prop);
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if(status != Success)
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return false;
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CARD32* val = (CARD32*)prop;
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if(val) {
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x = val[0];
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y = val[1];
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w = val[2];
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h = val[3];
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XFree((char*)val);
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return true;
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}
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return false;
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}
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void netwm_make_me_dock(Fl_Window *win) {
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init_atoms_once();
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XChangeProperty(fl_display, fl_xid(win), _XA_NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace,
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(unsigned char*)&_XA_NET_WM_WINDOW_TYPE_DOCK, sizeof(Atom));
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}
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void netwm_set_window_strut(Fl_Window *win, int left, int right, int top, int bottom) {
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init_atoms_once();
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CARD32 strut[4] = { left, right, top, bottom };
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XChangeProperty(fl_display, fl_xid(win), _XA_NET_WM_STRUT, XA_CARDINAL, 32,
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PropModeReplace, (unsigned char*)&strut, sizeof(CARD32) * 4);
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}
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int netwm_get_workspace_count(void) {
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init_atoms_once();
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Atom real;
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int format;
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unsigned long n, extra;
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unsigned char* prop;
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int status = XGetWindowProperty(fl_display, RootWindow(fl_display, fl_screen),
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_XA_NET_NUMBER_OF_DESKTOPS, 0L, 0x7fffffff, False, XA_CARDINAL, &real, &format, &n, &extra,
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(unsigned char**)&prop);
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if(status != Success || !prop)
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return -1;
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int ns = int(*(long*)prop);
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XFree(prop);
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return ns;
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}
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/* change current workspace */
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void netwm_change_workspace(int n) {
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init_atoms_once();
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XEvent xev;
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Window root_win = RootWindow(fl_display, fl_screen);
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memset(&xev, 0, sizeof(xev));
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xev.xclient.type = ClientMessage;
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xev.xclient.serial = 0;
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xev.xclient.send_event = True;
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xev.xclient.window = root_win;
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xev.xclient.display = fl_display;
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xev.xclient.message_type = _XA_NET_CURRENT_DESKTOP;
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xev.xclient.format = 32;
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xev.xclient.data.l[0] = (long)n;
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xev.xclient.data.l[1] = CurrentTime;
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XSendEvent (fl_display, root_win, False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
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XSync(fl_display, True);
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}
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int netwm_get_current_workspace(void) {
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init_atoms_once();
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Atom real;
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int format;
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unsigned long n, extra;
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unsigned char* prop;
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int status = XGetWindowProperty(fl_display, RootWindow(fl_display, fl_screen),
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_XA_NET_CURRENT_DESKTOP, 0L, 0x7fffffff, False, XA_CARDINAL, &real, &format, &n, &extra,
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(unsigned char**)&prop);
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if(status != Success || !prop)
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return -1;
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int ns = int(*(long*)prop);
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XFree(prop);
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return ns;
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}
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int netwm_get_workspace_names(char**& names) {
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init_atoms_once();
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/* FIXME: add _NET_SUPPORTING_WM_CHECK and _NET_SUPPORTED ??? */
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XTextProperty wnames;
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XGetTextProperty(fl_display, RootWindow(fl_display, fl_screen), &wnames, _XA_NET_DESKTOP_NAMES);
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/* if wm does not understainds _NET_DESKTOP_NAMES this is not set */
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if(!wnames.nitems || !wnames.value)
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return 0;
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int nsz;
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/*
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* FIXME: Here should as alternative Xutf8TextPropertyToTextList since
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* many wm's set UTF8_STRING property. Below is XA_STRING and for UTF8_STRING
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* will fail.
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*/
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if(!XTextPropertyToStringList(&wnames, &names, &nsz)) {
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XFree(wnames.value);
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return 0;
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}
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XFree(wnames.value);
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return nsz;
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}
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int netwm_get_mapped_windows(Window **windows) {
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init_atoms_once();
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Atom real;
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int format;
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unsigned long n, extra;
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unsigned char* prop = 0;
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int status = XGetWindowProperty(fl_display, RootWindow(fl_display, fl_screen),
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_XA_NET_CLIENT_LIST, 0L, 0x7fffffff, False, XA_WINDOW, &real, &format, &n, &extra,
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(unsigned char**)&prop);
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if(status != Success || !prop)
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return -1;
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*windows = (Window*)prop;
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return n;
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}
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int netwm_get_window_workspace(Window win) {
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E_RETURN_VAL_IF_FAIL(win >= 0, -1);
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init_atoms_once();
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Atom real;
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int format;
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unsigned long n, extra;
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unsigned char* prop = 0;
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int status = XGetWindowProperty(fl_display, win,
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_XA_NET_WM_DESKTOP, 0L, 0x7fffffff, False, XA_CARDINAL, &real, &format, &n, &extra,
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(unsigned char**)&prop);
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if(status != Success || !prop)
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return -1;
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//int ns = int(*(long*)prop);
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unsigned long desk = (unsigned long)(*(long*)prop);
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XFree(prop);
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/* sticky */
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if(desk == 0xFFFFFFFF || desk == 0xFFFFFFFE)
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return -1;
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return desk;
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}
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int netwm_manageable_window(Window win) {
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init_atoms_once();
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Atom real;
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int format;
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unsigned long n, extra;
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unsigned char* prop = 0;
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int status = XGetWindowProperty(fl_display, win,
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_XA_NET_WM_WINDOW_TYPE, 0L, sizeof(Atom), False, XA_ATOM, &real, &format, &n, &extra,
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(unsigned char**)&prop);
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if(status != Success || !prop)
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return -1;
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Atom type = *(Atom*)prop;
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XFree(prop);
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if(type == _XA_NET_WM_WINDOW_TYPE_DESKTOP ||
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type == _XA_NET_WM_WINDOW_TYPE_SPLASH ||
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type == _XA_NET_WM_WINDOW_TYPE_DOCK)
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{
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return 0;
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}
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return 1;
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}
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char *netwm_get_window_title(Window win) {
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init_atoms_once();
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XTextProperty xtp;
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char *title = NULL, *ret = NULL;
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Atom real;
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int format;
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unsigned long n, extra;
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unsigned char* prop = 0;
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int status = XGetWindowProperty(fl_display, win,
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_XA_NET_WM_NAME, 0L, 0x7fffffff, False, _XA_UTF8_STRING , &real, &format, &n, &extra,
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(unsigned char**)&prop);
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if(status == Success && prop) {
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title = (char *)prop;
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ret = strdup(title);
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XFree(prop);
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} else {
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/* try WM_NAME */
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if(!XGetWMName(fl_display, win, &xtp))
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return NULL;
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if(xtp.encoding == XA_STRING) {
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ret = strdup((const char*)xtp.value);
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} else {
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#if X_HAVE_UTF8_STRING
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char **lst;
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int lst_sz;
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status = Xutf8TextPropertyToTextList(fl_display, &xtp, &lst, &lst_sz);
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if(status == Success && lst_sz > 0) {
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ret = strdup((const char*)*lst);
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XFreeStringList(lst);
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} else {
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ret = strdup((const char*)xtp.value);
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}
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#else
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ret = strdup((const char*)tp.value);
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#endif
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}
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XFree(xtp.value);
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}
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return ret;
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}
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Window netwm_get_active_window(void) {
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init_atoms_once();
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Atom real;
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int format;
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unsigned long n, extra;
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unsigned char* prop = 0;
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int status = XGetWindowProperty(fl_display, RootWindow(fl_display, fl_screen),
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_XA_NET_ACTIVE_WINDOW, 0L, sizeof(Atom), False, XA_WINDOW, &real, &format, &n, &extra,
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(unsigned char**)&prop);
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if(status != Success || !prop)
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return -1;
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int ret = int(*(long*)prop);
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XFree(prop);
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return (Window)ret;
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}
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void netwm_set_active_window(Window win) {
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init_atoms_once();
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XEvent xev;
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memset(&xev, 0, sizeof(xev));
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xev.xclient.type = ClientMessage;
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xev.xclient.serial = 0;
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xev.xclient.send_event = True;
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xev.xclient.window = win;
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xev.xclient.display = fl_display;
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xev.xclient.message_type = _XA_NET_ACTIVE_WINDOW;
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xev.xclient.format = 32;
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xev.xclient.data.l[0] = (long)win;
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xev.xclient.data.l[1] = CurrentTime;
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XSendEvent (fl_display, RootWindow(fl_display, fl_screen), False,
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SubstructureRedirectMask | SubstructureNotifyMask, &xev);
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XSync(fl_display, True);
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}
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void netwm_maximize_window(Window win) {
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init_atoms_once();
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XEvent xev;
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memset(&xev, 0, sizeof(xev));
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xev.xclient.type = ClientMessage;
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xev.xclient.serial = 0;
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xev.xclient.send_event = True;
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xev.xclient.window = win;
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xev.xclient.display = fl_display;
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xev.xclient.message_type = _XA_NET_WM_STATE;
|
|
xev.xclient.format = 32;
|
|
xev.xclient.data.l[0] = 0;
|
|
xev.xclient.data.l[1] = _XA_NET_WM_STATE_MAXIMIZED_HORZ;
|
|
xev.xclient.data.l[2] = _XA_NET_WM_STATE_MAXIMIZED_VERT;
|
|
|
|
XSendEvent (fl_display, RootWindow(fl_display, fl_screen), False,
|
|
SubstructureRedirectMask | SubstructureNotifyMask, &xev);
|
|
XSync(fl_display, True);
|
|
}
|
|
|
|
void netwm_close_window(Window win) {
|
|
init_atoms_once();
|
|
|
|
XEvent xev;
|
|
memset(&xev, 0, sizeof(xev));
|
|
xev.xclient.type = ClientMessage;
|
|
xev.xclient.serial = 0;
|
|
xev.xclient.send_event = True;
|
|
xev.xclient.window = win;
|
|
xev.xclient.display = fl_display;
|
|
xev.xclient.message_type = _XA_NET_CLOSE_WINDOW;
|
|
xev.xclient.format = 32;
|
|
xev.xclient.data.l[0] = (long)win;
|
|
xev.xclient.data.l[1] = CurrentTime;
|
|
|
|
XSendEvent (fl_display, RootWindow(fl_display, fl_screen), False,
|
|
SubstructureRedirectMask | SubstructureNotifyMask, &xev);
|
|
XSync(fl_display, True);
|
|
}
|
|
|
|
void wm_ede_restore_window(Window win) {
|
|
init_atoms_once();
|
|
|
|
XEvent xev;
|
|
memset(&xev, 0, sizeof(xev));
|
|
xev.xclient.type = ClientMessage;
|
|
xev.xclient.serial = 0;
|
|
xev.xclient.send_event = True;
|
|
xev.xclient.window = win;
|
|
xev.xclient.display = fl_display;
|
|
xev.xclient.message_type = _XA_EDE_WM_ACTION;
|
|
xev.xclient.format = 32;
|
|
xev.xclient.data.l[0] = _XA_EDE_WM_RESTORE_SIZE;
|
|
xev.xclient.data.l[1] = CurrentTime;
|
|
|
|
XSendEvent (fl_display, RootWindow(fl_display, fl_screen), False,
|
|
SubstructureRedirectMask | SubstructureNotifyMask, &xev);
|
|
XSync(fl_display, True);
|
|
}
|
|
|
|
WmStateValue wm_get_window_state(Window win) {
|
|
init_atoms_once();
|
|
|
|
Atom real;
|
|
int format;
|
|
unsigned long n, extra;
|
|
unsigned char* prop = 0;
|
|
|
|
int status = XGetWindowProperty(fl_display, win,
|
|
_XA_WM_STATE, 0L, sizeof(Atom), False, _XA_WM_STATE, &real, &format, &n, &extra,
|
|
(unsigned char**)&prop);
|
|
|
|
if(status != Success || !prop)
|
|
return WM_STATE_NONE;
|
|
|
|
WmStateValue ret = WmStateValue(*(long*)prop);
|
|
XFree(prop);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void wm_set_window_state(Window win, WmStateValue state) {
|
|
E_RETURN_IF_FAIL((int)state > 0);
|
|
|
|
if(state == WM_STATE_WITHDRAW) {
|
|
XWithdrawWindow(fl_display, win, fl_screen);
|
|
XSync(fl_display, True);
|
|
} else if(state == WM_STATE_ICONIC) {
|
|
XIconifyWindow(fl_display, win, fl_screen);
|
|
XSync(fl_display, True);
|
|
}
|
|
|
|
/* nothing for WM_STATE_NORMAL */
|
|
}
|