ede/edewm/Desktop.cpp

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2009-02-20 16:05:43 +03:00
#include "config.h"
#include "debug.h"
#include "Winhints.h"
#include "Frame.h"
#include "Windowmanager.h"
#include "Desktop.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
Desktop_List desktops;
int Desktop::desktop_count_ = 0;
Desktop* Desktop::current_ = 0;
Desktop *Desktop::desktop(int num)
{
if(num>=(int)desktops.size()) return desktops.item(desktops.size()-1);
if(num<1) return desktops.item(0);
for(uint n=0; n<desktops.size(); n++) {
Desktop *d=desktops[n];
if(d->number()==num) return d;
}
return desktops.item(0);
}
Desktop *Desktop::next()
{
uint num = current()->number();
num++;
if(num > desktops.count())
current(0);
else
current(num);
return current();
}
Desktop *Desktop::prev()
{
int num = current()->number();
num--;
if(num < 1)
current(desktops.count());
else
current(num);
return current();
}
Desktop::Desktop(const char *name)
{
desktops.append(this);
number_ = desktops.count();
DBG("::Desktop %d", number_);
if(name)
name_ = strdup(name);
else
name_ = 0;
}
Desktop::~Desktop()
{
desktops.remove(this);
if(current_==this) {
current(desktop(number()+1));
}
// put any clients onto another desktop:
for(uint n=0; n<map_order.size(); n++)
if(map_order[n]->desktop()==this)
map_order[n]->desktop(current_);
if(name_) delete []name_;
}
void Desktop::name(const char *name)
{
if(name_) delete []name_;
if(name) name_ = strdup(name);
}
extern Frame *menu_frame; //Frame where titlebar menu is popped up. Set only when changing window desktop.
void Desktop::current(Desktop *cur)
{
if(cur == current_) return;
current_ = cur;
Frame *f = 0, *top = 0;
for(uint n=0; n<stack_order.size(); n++) {
f = stack_order[n];
if(!f->desktop() && f->state()!=UNMAPPED) {
if(f->state()==OTHER_DESKTOP) f->state(NORMAL);
if(!f->frame_flag(SKIP_FOCUS) && !f->frame_flag(SKIP_LIST)) top=f;
continue;
}
// Keep this window in 'NORMAL' state.
if(f==menu_frame && f->state()==NORMAL) {
top=f;
continue;
}
if(f->state()!=UNMAPPED) {
if(f->desktop()==cur) {
if(f->state()==OTHER_DESKTOP) {
f->state(NORMAL);
}
top=f;
} else {
if(f->state()==NORMAL) {
f->state(OTHER_DESKTOP);
}
}
}
}
if(cur!=0) {
setProperty(fl_xid(root), _XA_NET_CURRENT_DESKTOP, XA_CARDINAL, cur->number()-1);
if(top) {
top->activate();
top->raise();
}
DBG("Went to desktop: %d", cur->number());
}
}
Desktop* Desktop::add(const char *name)
{
Desktop *d = new Desktop(name);
if(!name) {
char buf[32]; sprintf(buf, _("Workspace %d"), d->number());
d->name(buf);
}
return d;
}
// Updates viewport info, since we dont support LARGE desktops
// According to NET-WM speac these MUST be set to (0,0)
void Desktop::update_desktop_viewport()
{
CARD32 val[2] = { 0, 0 };
XChangeProperty(fl_display, root_win, _XA_NET_DESKTOP_VIEWPORT, XA_CARDINAL,
32, PropModeReplace, (unsigned char *)&val, 2);
}
void Desktop::update_desktop_geometry()
{
CARD32 val[2] = { Fl::w(), Fl::h() };
XChangeProperty(fl_display, root_win, _XA_NET_DESKTOP_GEOMETRY, XA_CARDINAL, 32,
PropModeReplace, (unsigned char *)&val, 2);
}
void Desktop::update_desktop_workarea()
{
CARD32 val[4];
val[0] = root->x();
val[1] = root->y();
val[2] = root->w();
val[3] = root->h();
XChangeProperty(fl_display, root_win, _XA_NET_WORKAREA, XA_CARDINAL, 32,
PropModeReplace, (unsigned char *)&val, 4);
}
void Desktop::update_desktop_names(bool send)
{
char *workspaces[16] = { 0 };
int cnt=0;
for(uint n=0; n<desktops.size(); n++) {
Desktop *d=desktops[n];
if(!d->name()) {
char tmp[64]; snprintf(tmp, sizeof(tmp)-1, _("Workspace %d"), cnt+1);
workspaces[cnt] = strdup(tmp);
} else {
workspaces[cnt] = strdup(d->name());
}
cnt++;
}
if(send) {
XTextProperty names;
if(XStringListToTextProperty((char **)workspaces, cnt, &names)) {
XSetTextProperty(fl_display, fl_xid(root), &names, _XA_NET_DESKTOP_NAMES);
XFree(names.value);
}
}
}
// Updates both NET desktop count atoms
void Desktop::update_desktop_count(uint cnt, bool send)
{
if(cnt<0) cnt=0;
if(cnt>8) cnt=8;
Desktop::desktop_count_ = cnt;
if(send) {
setProperty(fl_xid(root), _XA_NET_NUM_DESKTOPS, XA_CARDINAL, Desktop::desktop_count_);
update_desktop_viewport();
update_desktop_workarea();
update_desktop_geometry();
}
if(desktops.count()<cnt) {
int add = cnt-desktops.count();
for(int a=0; a<add; a++)
Desktop::add();
DBG("Increased desktops to %d", desktops.count());
} else if(desktops.count()>cnt) {
int del = desktops.count()-cnt;
for(int a=0; a<del; a++) {
Desktop *d = desktops.item(desktops.size()-1);
delete d;
}
DBG("Decreased desktops to %d", desktops.count());
}
}
void Desktop::set_names()
{
int length=0;
char *buffer=0;
XTextProperty names;
// First try to get NET desktop names
XGetTextProperty(fl_display, RootWindow(fl_display, fl_screen), &names, _XA_NET_DESKTOP_NAMES);
buffer = (char *)names.value;
length = names.nitems;
if(buffer) {
char* c = buffer;
for (int i = 1; c < buffer+length; i++) {
char* d = c;
while(*d) d++;
Desktop::desktop(i)->name(c);
c = d+1;
}
XFree(names.value);
} else {
// No desktop names in XServer already, read from ede config file
Fl_Config cfg(fl_find_config_file("ede.conf", 0));
cfg.set_section("Workspaces");
char tmp[128], name[128];
for(uint n=1; n<=8; n++) {
snprintf(tmp, sizeof(tmp)-1, "Workspace%d", n);
if(!cfg.read(tmp, name, 0, sizeof(name))) {
if(n<=desktops.count()) {
Desktop::desktop(n)->name(name);
}
}
}
}
}
// called at startup, read the list of desktops from the root
// window properties, or on failure make some default desktops.
void init_desktops()
{
int current_num=0, p=0;
p = getIntProperty(fl_xid(root), _XA_NET_NUM_DESKTOPS, XA_CARDINAL, -1);
if(p<0) {
// No desktop count in XServer already, read from ede config file
Fl_Config cfg(fl_find_config_file("ede.conf", 0));
cfg.get("Workspaces", "Count", p, 4);
}
DBG("Total Desks: %d", p);
Desktop::update_desktop_count(p);
Desktop::set_names();
Desktop::update_desktop_names(true);
// Try to get current NET desktop
p = getIntProperty(fl_xid(root), _XA_NET_CURRENT_DESKTOP, XA_CARDINAL, -1);
// If not valid number, try GNOME
if(p >= 0 && p < Desktop::desktop_count()+1)
current_num = p+1; // Got valid
else
current_num = 1; // Not valid, use 1
DBG("Current desktop: %d", current_num);
Desktop::current(Desktop::desktop(current_num));
DBG("Desktops inited!");
}