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Copying wm from old ede
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Sanel Zukan
296
edewm/Desktop.cpp
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296
edewm/Desktop.cpp
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#include "config.h"
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#include "debug.h"
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#include "Winhints.h"
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#include "Frame.h"
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#include "Windowmanager.h"
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#include "Desktop.h"
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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Desktop_List desktops;
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int Desktop::desktop_count_ = 0;
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Desktop* Desktop::current_ = 0;
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Desktop *Desktop::desktop(int num)
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{
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if(num>=(int)desktops.size()) return desktops.item(desktops.size()-1);
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if(num<1) return desktops.item(0);
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for(uint n=0; n<desktops.size(); n++) {
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Desktop *d=desktops[n];
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if(d->number()==num) return d;
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}
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return desktops.item(0);
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}
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Desktop *Desktop::next()
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{
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uint num = current()->number();
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num++;
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if(num > desktops.count())
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current(0);
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else
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current(num);
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return current();
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}
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Desktop *Desktop::prev()
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{
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int num = current()->number();
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num--;
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if(num < 1)
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current(desktops.count());
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else
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current(num);
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return current();
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}
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Desktop::Desktop(const char *name)
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{
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desktops.append(this);
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number_ = desktops.count();
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DBG("::Desktop %d", number_);
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if(name)
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name_ = strdup(name);
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else
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name_ = 0;
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}
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Desktop::~Desktop()
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{
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desktops.remove(this);
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if(current_==this) {
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current(desktop(number()+1));
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}
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// put any clients onto another desktop:
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for(uint n=0; n<map_order.size(); n++)
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if(map_order[n]->desktop()==this)
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map_order[n]->desktop(current_);
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if(name_) delete []name_;
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}
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void Desktop::name(const char *name)
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{
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if(name_) delete []name_;
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if(name) name_ = strdup(name);
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}
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extern Frame *menu_frame; //Frame where titlebar menu is popped up. Set only when changing window desktop.
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void Desktop::current(Desktop *cur)
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{
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if(cur == current_) return;
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current_ = cur;
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Frame *f = 0, *top = 0;
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for(uint n=0; n<stack_order.size(); n++) {
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f = stack_order[n];
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if(!f->desktop() && f->state()!=UNMAPPED) {
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if(f->state()==OTHER_DESKTOP) f->state(NORMAL);
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if(!f->frame_flag(SKIP_FOCUS) && !f->frame_flag(SKIP_LIST)) top=f;
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continue;
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}
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// Keep this window in 'NORMAL' state.
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if(f==menu_frame && f->state()==NORMAL) {
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top=f;
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continue;
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}
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if(f->state()!=UNMAPPED) {
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if(f->desktop()==cur) {
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if(f->state()==OTHER_DESKTOP) {
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f->state(NORMAL);
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}
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top=f;
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} else {
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if(f->state()==NORMAL) {
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f->state(OTHER_DESKTOP);
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}
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}
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}
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}
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if(cur!=0) {
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setProperty(fl_xid(root), _XA_NET_CURRENT_DESKTOP, XA_CARDINAL, cur->number()-1);
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if(top) {
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top->activate();
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top->raise();
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}
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DBG("Went to desktop: %d", cur->number());
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}
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}
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Desktop* Desktop::add(const char *name)
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{
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Desktop *d = new Desktop(name);
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if(!name) {
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char buf[32]; sprintf(buf, _("Workspace %d"), d->number());
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d->name(buf);
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}
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return d;
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}
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// Updates viewport info, since we dont support LARGE desktops
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// According to NET-WM speac these MUST be set to (0,0)
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void Desktop::update_desktop_viewport()
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{
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CARD32 val[2] = { 0, 0 };
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XChangeProperty(fl_display, root_win, _XA_NET_DESKTOP_VIEWPORT, XA_CARDINAL,
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32, PropModeReplace, (unsigned char *)&val, 2);
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}
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void Desktop::update_desktop_geometry()
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{
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CARD32 val[2] = { Fl::w(), Fl::h() };
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XChangeProperty(fl_display, root_win, _XA_NET_DESKTOP_GEOMETRY, XA_CARDINAL, 32,
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PropModeReplace, (unsigned char *)&val, 2);
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}
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void Desktop::update_desktop_workarea()
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{
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CARD32 val[4];
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val[0] = root->x();
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val[1] = root->y();
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val[2] = root->w();
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val[3] = root->h();
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XChangeProperty(fl_display, root_win, _XA_NET_WORKAREA, XA_CARDINAL, 32,
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PropModeReplace, (unsigned char *)&val, 4);
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}
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void Desktop::update_desktop_names(bool send)
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{
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char *workspaces[16] = { 0 };
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int cnt=0;
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for(uint n=0; n<desktops.size(); n++) {
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Desktop *d=desktops[n];
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if(!d->name()) {
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char tmp[64]; snprintf(tmp, sizeof(tmp)-1, _("Workspace %d"), cnt+1);
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workspaces[cnt] = strdup(tmp);
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} else {
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workspaces[cnt] = strdup(d->name());
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}
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cnt++;
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}
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if(send) {
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XTextProperty names;
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if(XStringListToTextProperty((char **)workspaces, cnt, &names)) {
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XSetTextProperty(fl_display, fl_xid(root), &names, _XA_NET_DESKTOP_NAMES);
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XFree(names.value);
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}
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}
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}
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// Updates both NET desktop count atoms
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void Desktop::update_desktop_count(uint cnt, bool send)
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{
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if(cnt<0) cnt=0;
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if(cnt>8) cnt=8;
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Desktop::desktop_count_ = cnt;
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if(send) {
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setProperty(fl_xid(root), _XA_NET_NUM_DESKTOPS, XA_CARDINAL, Desktop::desktop_count_);
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update_desktop_viewport();
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update_desktop_workarea();
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update_desktop_geometry();
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}
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if(desktops.count()<cnt) {
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int add = cnt-desktops.count();
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for(int a=0; a<add; a++)
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Desktop::add();
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DBG("Increased desktops to %d", desktops.count());
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} else if(desktops.count()>cnt) {
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int del = desktops.count()-cnt;
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for(int a=0; a<del; a++) {
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Desktop *d = desktops.item(desktops.size()-1);
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delete d;
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}
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DBG("Decreased desktops to %d", desktops.count());
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}
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}
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void Desktop::set_names()
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{
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int length=0;
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char *buffer=0;
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XTextProperty names;
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// First try to get NET desktop names
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XGetTextProperty(fl_display, RootWindow(fl_display, fl_screen), &names, _XA_NET_DESKTOP_NAMES);
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buffer = (char *)names.value;
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length = names.nitems;
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if(buffer) {
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char* c = buffer;
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for (int i = 1; c < buffer+length; i++) {
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char* d = c;
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while(*d) d++;
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Desktop::desktop(i)->name(c);
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c = d+1;
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}
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XFree(names.value);
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} else {
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// No desktop names in XServer already, read from ede config file
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Fl_Config cfg(fl_find_config_file("ede.conf", 0));
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cfg.set_section("Workspaces");
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char tmp[128], name[128];
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for(uint n=1; n<=8; n++) {
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snprintf(tmp, sizeof(tmp)-1, "Workspace%d", n);
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if(!cfg.read(tmp, name, 0, sizeof(name))) {
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if(n<=desktops.count()) {
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Desktop::desktop(n)->name(name);
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}
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}
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}
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}
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}
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// called at startup, read the list of desktops from the root
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// window properties, or on failure make some default desktops.
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void init_desktops()
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{
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int current_num=0, p=0;
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p = getIntProperty(fl_xid(root), _XA_NET_NUM_DESKTOPS, XA_CARDINAL, -1);
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if(p<0) {
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// No desktop count in XServer already, read from ede config file
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Fl_Config cfg(fl_find_config_file("ede.conf", 0));
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cfg.get("Workspaces", "Count", p, 4);
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}
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DBG("Total Desks: %d", p);
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Desktop::update_desktop_count(p);
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Desktop::set_names();
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Desktop::update_desktop_names(true);
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// Try to get current NET desktop
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p = getIntProperty(fl_xid(root), _XA_NET_CURRENT_DESKTOP, XA_CARDINAL, -1);
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// If not valid number, try GNOME
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if(p >= 0 && p < Desktop::desktop_count()+1)
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current_num = p+1; // Got valid
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else
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current_num = 1; // Not valid, use 1
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DBG("Current desktop: %d", current_num);
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Desktop::current(Desktop::desktop(current_num));
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DBG("Desktops inited!");
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}
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