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ede/ede-desktop/ede-desktop.cpp

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/*
* $Id$
*
* ede-desktop, desktop and icon manager
* Part of Equinox Desktop Environment (EDE).
* Copyright (c) 2006-2012 EDE Authors.
*
* This program is licensed under terms of the
* GNU General Public License version 2 or newer.
* See COPYING for details.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <unistd.h> // sleep
#include <signal.h>
#include <stdlib.h> // rand, srand
#include <time.h> // time
#include <limits.h>
#include <FL/Fl.H>
#include <FL/x.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Box.H>
#include <FL/Fl_Shared_Image.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Box.H>
#include <FL/Fl_Output.H>
#include <edelib/Debug.h>
#include <edelib/FileTest.h>
#include <edelib/File.h>
#include <edelib/Directory.h>
#include <edelib/DesktopFile.h>
#include <edelib/DirWatch.h>
#include <edelib/MimeType.h>
#include <edelib/StrUtil.h>
#include <edelib/IconLoader.h>
#include <edelib/Run.h>
#include <edelib/Util.h>
#include <edelib/MessageBox.h>
#include <edelib/MenuButton.h>
#include <edelib/ForeignCallback.h>
#include <edelib/Netwm.h>
#include <edelib/WindowXid.h>
#include <edelib/FontCache.h>
#include <edelib/Nls.h>
#include <edelib/Ede.h>
#include "ede-desktop.h"
#include "DesktopIcon.h"
#include "Utils.h"
#include "Wallpaper.h"
#include "IconDialog.h"
#define CONFIG_NAME "ede-desktop"
#define ICONS_CONFIG_NAME "ede-desktop-icons"
#define EDE_DESKTOP_INTERFACE "org.equinoxproject.Desktop"
#define EDE_DESKTOP_OBJECT "/org/equinoxproject/Desktop"
#define SELECTION_SINGLE (Fl::event_button() == 1)
#define SELECTION_MULTI (Fl::event_button() == 1 && (Fl::event_key(FL_Shift_L) || Fl::event_key(FL_Shift_R)))
#undef MIN
#define MIN(x,y) ((x) < (y) ? (x) : (y))
#undef MAX
#define MAX(x,y) ((x) > (y) ? (x) : (y))
/*
* Which widgets Fl::belowmouse() should skip.
* This should be updated when new non-icon child is added to Desktop window
*/
#define NOT_SELECTABLE(widget) ((widget == this) || (widget == wallpaper) || (widget == dmenu))
EDELIB_NS_USING(MenuItem)
EDELIB_NS_USING(String)
EDELIB_NS_USING(DesktopFile)
EDELIB_NS_USING(DirWatch)
EDELIB_NS_USING(Resource)
EDELIB_NS_USING(run_async)
EDELIB_NS_USING(input)
EDELIB_NS_USING(alert)
EDELIB_NS_USING(dir_create)
EDELIB_NS_USING(foreign_callback_add)
EDELIB_NS_USING(foreign_callback_remove)
EDELIB_NS_USING(window_xid_create)
EDELIB_NS_USING(netwm_workspace_get_names)
EDELIB_NS_USING(netwm_workspace_free_names)
EDELIB_NS_USING(netwm_workspace_get_current)
EDELIB_NS_USING(netwm_workarea_get_size)
EDELIB_NS_USING(netwm_window_set_type)
EDELIB_NS_USING(netwm_callback_add)
EDELIB_NS_USING(netwm_callback_remove)
EDELIB_NS_USING(font_cache_find)
EDELIB_NS_USING(file_test)
EDELIB_NS_USING(file_remove)
EDELIB_NS_USING(dir_home)
EDELIB_NS_USING(build_filename)
EDELIB_NS_USING(FILE_TEST_IS_DIR)
EDELIB_NS_USING(FILE_TEST_IS_REGULAR)
EDELIB_NS_USING(NETWM_WINDOW_TYPE_DESKTOP)
EDELIB_NS_USING(NETWM_CHANGED_CURRENT_WORKAREA)
EDELIB_NS_USING(NETWM_CHANGED_CURRENT_WORKSPACE)
EDELIB_NS_USING(DW_CREATE)
EDELIB_NS_USING(DW_MODIFY)
EDELIB_NS_USING(DW_RENAME)
EDELIB_NS_USING(DW_DELETE)
static void background_conf_cb(Fl_Widget*, void*);
static void icons_conf_cb(Fl_Widget*, void*);
static void folder_create_cb(Fl_Widget*, void*);
static void launcher_create_cb(Fl_Widget*, void*);
static MenuItem desktop_menu[] = {
{_("Create &launcher..."), 0, launcher_create_cb},
{_("Create &folder..."), 0, folder_create_cb, 0, FL_MENU_DIVIDER},
{_("&Icons settings..."), 0, icons_conf_cb, 0},
{_("&Background..."), 0, background_conf_cb, 0},
{0}
};
Desktop* Desktop::pinstance = NULL;
static bool running = false;
inline unsigned int random_pos(int max) {
return (rand() % max);
}
inline bool intersects(int x1, int y1, int w1, int h1, int x2, int y2, int w2, int h2) {
return (MAX(x1, x2) <= MIN(w1, w2) &&
MAX(y1, y2) <= MIN(h1, h2));
}
static void exit_signal(int signum) {
E_DEBUG(E_STRLOC ": Exiting (got signal %d)\n", signum);
running = false;
}
static void make_me_desktop(Fl_Window *win) {
netwm_window_set_type(fl_xid(win), NETWM_WINDOW_TYPE_DESKTOP);
}
static void dir_watch_cb(const char* dir, const char* changed, int flags, void* data) {
Desktop::instance()->dir_watch(dir, changed, flags);
}
static void settings_changed_cb(Fl_Window *win, void *data) {
Desktop::instance()->read_config();
Desktop::instance()->redraw();
}
static void background_conf_cb(Fl_Widget*, void*) {
run_async("ede-launch ede-desktop-conf");
}
static void icons_conf_cb(Fl_Widget*, void*) {
run_async("ede-launch ede-desktop-conf --icons");
}
static void folder_create_cb(Fl_Widget*, void*) {
const char *n = input(_("New folder with name"));
if(!n) return;
String h = dir_home();
String dp = build_filename(h.c_str(), "Desktop", n);
if(!dir_create(dp.c_str()))
alert(_("Unable to create directory '%s'! Please check if directory already exists or you have enough permissions to create it"), dp.c_str());
}
static void launcher_create_cb(Fl_Widget*, void*) {
icon_dialog_icon_create();
}
static void desktop_message_handler(int action, Window xid, void *data) {
switch(action) {
case NETWM_CHANGED_CURRENT_WORKSPACE:
Desktop::instance()->notify_desktop_changed();
break;
case NETWM_CHANGED_CURRENT_WORKAREA:
Desktop::instance()->update_workarea();
break;
}
}
Desktop::Desktop() : EDE_DESKTOP_WINDOW(0, 0, 100, 100, "ede-desktop") {
selection_x = selection_y = 0;
last_px = last_py = -1;
moving = false;
do_dirwatch = true;
#ifdef USE_EDELIB_WINDOW
foreign_callback_add(this, "ede-desktop", settings_changed_cb);
/* EDE_DESKTOP_WINDOW::single_bufer(true); */
#endif
selbox = new SelectionOverlay;
selbox->x = selbox->y = selbox->w = selbox->h = 0;
selbox->show = false;
gisett = new GlobalIconSettings;
/* gnome light blue */
gisett->label_background = 138;
gisett->label_foreground = FL_WHITE;
gisett->label_font = FL_HELVETICA;
gisett->label_fontsize = 12;
gisett->label_maxwidth = 75;
gisett->label_transparent = true;
gisett->label_draw = true;
gisett->one_click_exec = false;
gisett->auto_arrange = true;
/* default background color */
color(fl_rgb_color(73, 64, 102));
}
Desktop::~Desktop() {
E_DEBUG("Desktop::~Desktop()\n");
save_icons_positions();
delete gisett;
delete selbox;
#ifdef EDELIB_HAVE_DBUS
delete dbus;
#endif
DirWatch::shutdown();
foreign_callback_remove(settings_changed_cb);
}
void Desktop::init_internals(void) {
update_workarea();
/*
* NOTE: order how childs are added is important. First non iconable ones should be
* added (wallpaper, menu, ...) then icons, so they can be drawn at top of them.
*/
begin();
dmenu = new edelib::MenuButton(0, 0, 500, 0);
dmenu->menu(desktop_menu);
desktop_menu[1].image(edelib::IconLoader::get("folder", edelib::ICON_SIZE_TINY));
wallpaper = new Wallpaper(0, 0, w(), h());
end();
#ifdef EDELIB_HAVE_DBUS
dbus = new edelib::EdbusConnection();
if(!dbus->connect(edelib::EDBUS_SESSION)) {
E_WARNING(E_STRLOC ": Unable to connect to session bus. Disabling dbus interface...\n");
delete dbus;
dbus = NULL;
}
#endif
/* read main config */
read_config();
/* location of Desktop folder */
desktop_dir_path = build_filename(dir_home().c_str(), "Desktop");
if(file_test(desktop_dir_path.c_str(), FILE_TEST_IS_DIR)) {
/* now try load icons from "Desktop" directory */
load_icons(desktop_dir_path.c_str());
/* setup watcher used for Desktop directory */
DirWatch::init();
if(!DirWatch::add(desktop_dir_path.c_str(), DW_CREATE | DW_MODIFY | DW_RENAME | DW_DELETE))
E_WARNING(E_STRLOC ": Unable to watch %s\n", desktop_dir_path.c_str());
else
DirWatch::callback(dir_watch_cb);
}
running = true;
}
void Desktop::init(void) {
if(Desktop::pinstance != NULL)
return;
Desktop::pinstance = new Desktop();
Desktop::pinstance->init_internals();
}
void Desktop::shutdown(void) {
if(Desktop::pinstance == NULL)
return;
delete Desktop::pinstance;
Desktop::pinstance = NULL;
}
Desktop* Desktop::instance(void) {
E_ASSERT(Desktop::pinstance != NULL && "Desktop::init() should be run first");
return Desktop::pinstance;
}
void Desktop::show(void) {
if(shown())
return EDE_DESKTOP_WINDOW::show();
window_xid_create(this, make_me_desktop);
}
/* If someone intentionaly hide desktop then quit from it */
void Desktop::hide(void) {
running = false;
}
void Desktop::update_workarea(void) {
int X, Y, W, H;
if(!netwm_workarea_get_size(X, Y, W, H)) {
E_DEBUG(E_STRLOC ": wm does not support _NET_WM_WORKAREA; using screen sizes...\n");
Fl::screen_xywh(X, Y, W, H);
}
resize(X, Y, W, H);
}
void Desktop::read_config(void) {
Resource conf;
if(!conf.load(CONFIG_NAME)) {
E_WARNING(E_STRLOC ": Can't load %s, using default values\n", CONFIG_NAME);
return;
}
bool wuse;
char wpath[PATH_MAX], font_name[64];
int bcolor, wmode;
/* use nice darker blue color as default for background */
conf.get("Desktop", "color", bcolor, fl_rgb_color(73, 64, 102));
conf.get("Desktop", "wallpaper_use", wuse, false);
conf.get("Desktop", "wallpaper", wpath, sizeof(wpath));
conf.get("Desktop", "wallpaper_mode", wmode, WALLPAPER_CENTER);
/* '138' is gnome light blue */
conf.get("Icons", "label_background", gisett->label_background, 138);
conf.get("Icons", "label_foreground", gisett->label_foreground, FL_WHITE);
conf.get("Icons", "label_maxwidth", gisett->label_maxwidth, 75);
conf.get("Icons", "label_transparent",gisett->label_transparent, true);
conf.get("Icons", "label_visible", gisett->label_draw, true);
conf.get("Icons", "one_click_exec", gisett->one_click_exec, false);
conf.get("Icons", "auto_arrange", gisett->auto_arrange, true);
/* try to get font */
if(conf.get("Icons", "label_font", font_name, sizeof(font_name))) {
font_cache_find(font_name, (Fl_Font&)gisett->label_font,
gisett->label_fontsize,
(Fl_Font)gisett->label_font,
gisett->label_fontsize);
}
/* minimal allowed font size */
if(gisett->label_fontsize < 8)
gisett->label_fontsize = 12;
/* minimal allowed maxwidth size */
if(gisett->label_maxwidth < 30)
gisett->label_maxwidth = 75;
/* prevent wild values */
if(wmode != WALLPAPER_CENTER && wmode != WALLPAPER_TILE && wmode != WALLPAPER_STRETCH)
wmode = WALLPAPER_CENTER;
if(wuse) {
if(!wallpaper->load(wpath, (WallpaperState)wmode))
E_WARNING(E_STRLOC ": unable to load wallpaper '%s'\n", wpath);
else
wallpaper->show();
}
if(!wuse && wallpaper->visible())
wallpaper->hide();
/* change background color too */
color(bcolor);
}
void Desktop::load_icons(const char* path) {
E_ASSERT(path != NULL);
Resource conf, *conf_ptr = NULL;
if(!conf.load(ICONS_CONFIG_NAME))
E_WARNING(E_STRLOC ": Can't load icons positions; arranging them somehow...\n");
else
conf_ptr = &conf;
StringList lst;
/* list with full path; icon basename is extracted in add_icon_by_path() */
if(!dir_list(path, lst, true)) {
E_DEBUG(E_STRLOC ": Can't read %s\n", path);
return;
}
StringListIter it, it_end;
for(it = lst.begin(), it_end = lst.end(); it != it_end; ++it)
add_icon_by_path((*it).c_str(), conf_ptr);
/* if stored locations wasn't found */
if(!conf_ptr)
auto_arrange();
}
void Desktop::save_icons_positions(void) {
Resource conf;
char* icon_base;
DesktopIconListIter it = icons.begin(), it_end = icons.end();
for(; it != it_end; ++it) {
if((*it)->path().empty())
continue;
icon_base = get_basename((*it)->path().c_str());
conf.set(icon_base, "X", (*it)->x());
conf.set(icon_base, "Y", (*it)->y());
}
if(!conf.save(ICONS_CONFIG_NAME))
E_WARNING(E_STRLOC ": Unable to store icons positions\n");
}
IconSettings* Desktop::read_desktop_file(const char* path) {
E_ASSERT(path != NULL);
DesktopFile dconf;
if(!dconf.load(path)) {
E_WARNING(E_STRLOC ": Can't read %s (%s)\n", path, dconf.strerror());
return NULL;
}
char buf[128];
int bufsz = sizeof(buf);
IconSettings* is = new IconSettings;
/*
* Check for 'EmptyIcon' key since via it is determined is icon trash type or not
* (in case of trash, 'Icon' key is used for full trash).
*
* FIXME: any other way to check for trash icons ???
*/
if(dconf.get("Desktop Entry", "EmptyIcon", buf, bufsz)) {
is->type = ICON_TRASH;
is->icon = buf;
} else
is->type = ICON_NORMAL;
if(!dconf.icon(buf, bufsz)) {
E_WARNING(E_STRLOC ": No Icon key, balling out\n");
delete is;
return NULL;
}
if(is->type == ICON_TRASH)
is->icon2 = buf;
else
is->icon = buf;
if(dconf.type() == edelib::DESK_FILE_TYPE_LINK) {
is->cmd_is_url = true;
dconf.url(buf, bufsz);
}
else {
is->cmd_is_url = false;
dconf.exec(buf, bufsz);
}
is->cmd = buf;
if(!dconf.name(buf, bufsz)) {
E_DEBUG(E_STRLOC ": No Name key\n");
is->name = _("(none)");
} else
is->name = buf;
return is;
}
bool Desktop::add_icon_by_path(const char* path, Resource* conf) {
E_ASSERT(path != NULL);
IconSettings* is = NULL;
const char* base = get_basename(path);
/*
* see is possible .desktop file; icon, name fields are filled from read_desktop_file()
*
* FIXME: maybe the good thing is to use MimeType to check .desktop; extension does not have
* to be always present, or .desktop does not have to be Desktop File at all
*/
if(edelib::str_ends(path, ".desktop")) {
is = read_desktop_file(path);
} else {
edelib::MimeType mt;
/* then try to figure out it's mime; if fails, ignore it */
if(mt.set(path)) {
E_DEBUG(E_STRLOC ": Loading icon as mime-type %s\n", mt.icon_name().c_str());
is = new IconSettings;
is->icon = mt.icon_name();
/* icon label path's basename */
is->name = base;
is->type = ICON_FILE;
}
}
if(!is)
return false;
/*
* key_name is section in config file with icon X/Y values
* FIXME: this should be named 'section_name'
*/
is->key_name = base;
/* random_pos() is used if X/Y keys are not found */
int icon_x = random_pos(w() - 10);
int icon_y = random_pos(w() - 10);
/* assign if we have it */
if(last_px != -1 && last_py != -1) {
icon_x = last_px;
icon_y = last_py;
last_px = last_py = -1;
}
if(conf) {
/* we load positions from used ede-desktop-icons.conf only */
conf->get(base, "X", icon_x, icon_x, edelib::RES_USER_ONLY);
conf->get(base, "Y", icon_y, icon_y, edelib::RES_USER_ONLY);
}
E_DEBUG(E_STRLOC ": %s found with: %i %i\n", base, icon_x, icon_y);
is->x = icon_x;
is->y = icon_y;
is->full_path = path;
DesktopIcon* dic = new DesktopIcon(gisett, is, color());
add_icon(dic);
return true;
}
DesktopIcon* Desktop::find_icon_by_path(const char* path, DesktopIconListIter* ret) {
E_ASSERT(path != NULL);
if(icons.empty())
return NULL;
DesktopIconListIter it, it_end;
for(it = icons.begin(), it_end = icons.end(); it != it_end; ++it) {
if((*it)->path() == path) {
/* store iterator */
if(ret)
*ret = it;
/* return iterator value */
return (*it);
}
}
return NULL;
}
bool Desktop::remove_icon(DesktopIcon *d, bool real_delete) {
bool ret = true;
if(real_delete) {
dir_watch_off();
ret = file_remove(d->path().c_str());
Fl::wait(1);
dir_watch_on();
}
remove_icon_by_path(d->path().c_str());
/* TODO: reimplement as 'fast_redraw()' from DesktopIcon */
redraw();
return ret;
}
bool Desktop::rename_icon(DesktopIcon *d, const char *n) {
DesktopFile f;
const char *p = d->path().c_str();
E_RETURN_VAL_IF_FAIL(f.load(p), false);
dir_watch_off();
f.set_name(n);
bool ret = f.save(p);
dir_watch_on();
return ret;
}
bool Desktop::remove_icon_by_path(const char* path) {
DesktopIconListIter pos;
DesktopIcon* ic = find_icon_by_path(path, &pos);
if(!ic) {
E_DEBUG(E_STRLOC ": Didn't find '%s' as path marked for removal\n", path);
return false;
}
icons.erase(pos);
/* Fl_Group::remove() does not delete child, just pops it out */
remove(ic);
delete ic;
return true;
}
void Desktop::auto_arrange(void) {
DesktopIcon* ic;
DesktopIconListIter it, it_end;
int X = (gisett->label_maxwidth / 5) + 10;
int Y = 10;
int H = h();
for(it = icons.begin(), it_end = icons.end(); it != it_end; ++it) {
ic = (*it);
ic->position(X, Y);
Y += ic->h() + (ic->h() / 2);
if(Y + (ic->h() / 2) > H) {
Y = 10;
X += gisett->label_maxwidth + (ic->w() / 2);
}
}
}
void Desktop::add_icon(DesktopIcon* ic) {
E_ASSERT(ic != NULL);
icons.push_back(ic);
add((Fl_Widget*)ic);
}
void Desktop::unfocus_all(void) {
DesktopIcon* ic;
DesktopIconListIter it, it_end;
for(it = icons.begin(), it_end = icons.end(); it != it_end; ++it) {
ic = (*it);
if(ic->is_focused()) {
ic->do_unfocus();
ic->fast_redraw();
}
}
}
void Desktop::select(DesktopIcon* ic, bool do_redraw) {
E_ASSERT(ic != NULL);
if(in_selection(ic))
return;
selectionbuf.push_back(ic);
if(!ic->is_focused()) {
ic->do_focus();
if(do_redraw)
ic->fast_redraw();
}
}
void Desktop::select_only(DesktopIcon* ic) {
E_ASSERT(ic != NULL);
unfocus_all();
selectionbuf.clear();
selectionbuf.push_back(ic);
ic->do_focus();
ic->fast_redraw();
}
bool Desktop::in_selection(const DesktopIcon* ic) {
E_ASSERT(ic != NULL);
if(selectionbuf.empty())
return false;
DesktopIconListIter it, it_end;
for(it = selectionbuf.begin(), it_end = selectionbuf.end(); it != it_end; ++it) {
if((*it) == ic)
return true;
}
return false;
}
void Desktop::move_selection(int x, int y, bool apply) {
if(selectionbuf.empty())
return;
int prev_x, prev_y, tmp_x, tmp_y;
DesktopIcon* ic;
DesktopIconListIter it, it_end;
for(it = selectionbuf.begin(), it_end = selectionbuf.end(); it != it_end; ++it) {
ic = (*it);
prev_x = ic->drag_icon_x();
prev_y = ic->drag_icon_y();
tmp_x = x - selection_x;
tmp_y = y - selection_y;
ic->drag(prev_x + tmp_x, prev_y + tmp_y, apply);
#if 0
// very slow if not checked
if(apply == true)
ic->fast_redraw();
#endif
}
selection_x = x;
selection_y = y;
/* Redraw whole screen so it reflects new icon position */
if(apply)
redraw();
}
/*
* Tries to figure out icon below mouse. It is alternative to Fl::belowmouse() since with this we hunt
* only icons, not other childs (wallpaper, menu), which can be returned by Fl::belowmouse() and bad
* things be hapened.
*/
DesktopIcon* Desktop::below_mouse(int px, int py) {
DesktopIcon* ic = NULL;
DesktopIconListIter it, it_end;
for(it = icons.begin(), it_end = icons.end(); it != it_end; ++it) {
ic = (*it);
if(ic->x() < px && ic->y() < py && px < (ic->x() + ic->h()) && py < (ic->y() + ic->h()))
return ic;
}
return NULL;
}
void Desktop::select_in_area(void) {
if(!selbox->show)
return;
int ax = selbox->x;
int ay = selbox->y;
int aw = selbox->w;
int ah = selbox->h;
if(aw < 0) {
ax += aw;
aw = -aw;
} else if(!aw)
aw = 1;
if(ah < 0) {
ay += ah;
ah = -ah;
} else if(!ah)
ah = 1;
/*
* XXX: This function can fail since icon coordinates are absolute (event_x_root)
* but selbox use relative (event_root). It will work as expected if desktop is at x=0 y=0.
* This should be checked further.
*/
DesktopIcon* ic = NULL;
DesktopIconListIter it, it_end;
for(it = icons.begin(), it_end = icons.end(); it != it_end; ++it) {
ic = (*it);
E_ASSERT(ic != NULL && "Impossible to happen");
if(intersects(ax, ay, ax+aw, ay+ah, ic->x(), ic->y(), ic->w()+ic->x(), ic->h()+ic->y())) {
if(!ic->is_focused()) {
ic->do_focus();
/* updated from Desktop::draw() */
ic->damage(EDAMAGE_CHILD_LABEL);
}
} else {
if(ic->is_focused()) {
ic->do_unfocus();
/* updated from Desktop::draw() */
ic->fast_redraw();
//ic->damage(EDAMAGE_CHILD_LABEL);
//ic->redraw();
//ic->damage(EDAMAGE_CHILD_LABEL);
}
}
}
}
void Desktop::notify_desktop_changed(void) {
int num = netwm_workspace_get_current();
if(num == -1)
return;
char** names;
int ret = netwm_workspace_get_names(names);
if(!ret)
return;
if(num >= ret) {
netwm_workspace_free_names(names);
return;
}
#ifdef EDELIB_HAVE_DBUS
if(dbus) {
edelib::EdbusMessage msg;
/* send org.equinoxproject.Desktop.DesktopChanged(int32, string) signal */
msg.create_signal(EDE_DESKTOP_OBJECT, EDE_DESKTOP_INTERFACE, "DesktopChanged");
msg << num << names[num];
dbus->send(msg);
}
#endif
XFreeStringList(names);
}
/* leaving for the future */
#if 0
void Desktop::dnd_drop_source(const char* src, int src_len, int x, int y) {
if(!src)
return;
if(src_len < 1)
return;
char* src_copy = new char[src_len + 1];
int real_len = 0;
// mozilla sends UTF-16 form; for now use this hack untill some utf8 code is ready
for(int i = 0, j = 0; i < src_len; i++) {
if(src[i] != 0) {
src_copy[j++] = src[i];
real_len++;
}
}
src_copy[real_len] = '\0';
if(real_len < 1) {
delete [] src_copy;
return;
}
E_DEBUG(E_STRLOC ": DND on Desktop, got: %s\n", src_copy);
// valid url's (if got) ends with \r\n, clean that
char* pp = strstr(src_copy, "\r\n");
if(pp)
*pp = '\0';
char* sptr = 0;
if((real_len > 7) && (strncmp(src_copy, "file://", 7) == 0))
sptr = src_copy + 7;
else
sptr = src_copy;
if(!file_test(sptr, FILE_TEST_IS_REGULAR) || !file_test(sptr, FILE_TEST_IS_DIR)) {
edelib::message("Droping file content is not implemented yet ;)");
delete [] src_copy;
return;
}
IconSettings is;
is.x = x;
is.y = y;
bool is_read = false;
if(edelib::str_ends(src_copy, ".desktop")) {
DesktopFile dconf;
String path = sptr;
DesktopFile dfile;
if(dfile.load(path.c_str())) {
char buf[256];
if(dfile.type() == edelib::DESK_FILE_TYPE_LINK) {
dfile.url(buf, 256);
is.cmd_is_url = true;
}
else {
dfile.exec(buf, 256);
is.cmd_is_url = false;
}
is.cmd = buf;
is.type = ICON_NORMAL;
dfile.name(buf, 256);
is.name = buf;
dfile.icon(buf, 256);
is.icon = buf;
is_read = true;
}
}
if(!is_read) {
/* absolute path is (for now) seen as non-url */
if(sptr[0] == '/')
is.cmd_is_url = false;
else
is.cmd_is_url = true;
is.cmd = "(none)";
is.type = ICON_NORMAL;
edelib::MimeType mt;
if(!mt.set(sptr)) {
E_WARNING(E_STRLOC ": MimeType for %s (%s) failed, not dropping icon\n", sptr, src_copy);
delete [] src_copy;
return;
}
is.name = get_basename(sptr);
is.icon = mt.icon_name();
}
DesktopIcon* dic = new DesktopIcon(gisett, &is, color());
add_icon(dic);
delete [] src_copy;
redraw();
}
#endif
void Desktop::draw(void) {
if(!damage())
return;
if(damage() & (FL_DAMAGE_ALL | FL_DAMAGE_EXPOSE)) {
/*
* If any overlay was previously visible during full redraw, it will not be cleared because of fast flip.
* This will assure that does not happened.
*/
clear_xoverlay();
EDE_DESKTOP_WINDOW::draw();
E_DEBUG(E_STRLOC ": REDRAW ALL\n");
}
if(damage() & EDAMAGE_OVERLAY) {
if(selbox->show)
draw_xoverlay(selbox->x, selbox->y, selbox->w, selbox->h);
else
clear_xoverlay();
/*
* now scan all icons and see if they needs redraw, and if do
* just update their label since it is indicator of selection
*/
for(int i = 0; i < children(); i++) {
if(child(i)->damage() == EDAMAGE_CHILD_LABEL) {
update_child(*child(i));
child(i)->clear_damage();
E_DEBUG(E_STRLOC ": ICON REDRAW \n");
}
}
}
clear_damage();
}
void Desktop::dir_watch(const char* dir, const char* changed, int flags) {
if(!do_dirwatch || !changed || flags == edelib::DW_REPORT_NONE)
return;
/* skip temporary files */
if(is_temp_filename(changed))
return;
if(flags == edelib::DW_REPORT_CREATE) {
E_DEBUG(E_STRLOC ": adding %s\n", changed);
if(find_icon_by_path(changed, 0)) {
E_DEBUG(E_STRLOC ": %s already registered; skipping...\n", changed);
return;
}
if(add_icon_by_path(changed, 0))
redraw();
} else if(flags == edelib::DW_REPORT_MODIFY) {
E_DEBUG(E_STRLOC ": modified %s\n", changed);
} else if(flags == edelib::DW_REPORT_DELETE) {
E_DEBUG(E_STRLOC ": deleted %s\n", changed);
if(remove_icon_by_path(changed))
redraw();
} else
E_DEBUG(E_STRLOC ": %s changed with %i\n", changed, flags);
}
int Desktop::handle(int event) {
switch(event) {
case FL_FOCUS:
case FL_UNFOCUS:
case FL_SHORTCUT:
return 1;
case FL_PUSH: {
/*
* First check where we clicked. If we do it on desktop unfocus any possible focused childs, and handle
* specific clicks. Otherwise, do rest for childs.
*/
Fl_Widget* clicked = Fl::belowmouse();
if(NOT_SELECTABLE(clicked)) {
E_DEBUG(E_STRLOC ": DESKTOP CLICK !!!\n");
if(!selectionbuf.empty()) {
/*
* Only focused are in selectionbuf, so this is fine to do; also will prevent
* full redraw when is clicked on desktop
*/
unfocus_all();
selectionbuf.clear();
}
// track position so moving can be deduced
if(Fl::event_button() == 1) {
selbox->x = Fl::event_x();
selbox->y = Fl::event_y();
} else if(Fl::event_button() == 3) {
last_px = Fl::event_x();
last_py = Fl::event_y();
const edelib::MenuItem* item = dmenu->menu()->popup(Fl::event_x(), Fl::event_y());
dmenu->picked(item);
}
return 1;
}
// from here, all events are managed for icons
DesktopIcon* tmp_icon = (DesktopIcon*)clicked;
/* do no use assertion on this, since fltk::belowmouse() can miss our icon */
if(!tmp_icon)
return 1;
if(SELECTION_MULTI) {
Fl::event_is_click(0);
select(tmp_icon);
return 1;
} else if(SELECTION_SINGLE) {
if(!in_selection(tmp_icon)) {
select_only(tmp_icon);
}
} else if(Fl::event_button() == 3) {
select_only(tmp_icon);
}
/*
* Let child handle the rest.
* Also prevent click on other mouse buttons during move.
*/
if(!moving)
tmp_icon->handle(FL_PUSH);
E_DEBUG(E_STRLOC ": FL_PUSH from desktop\n");
selection_x = Fl::event_x_root();
selection_y = Fl::event_y_root();
return 1;
}
case FL_DRAG:
moving = true;
if(!selectionbuf.empty()) {
E_DEBUG(E_STRLOC ": DRAG icon from desktop\n");
move_selection(Fl::event_x_root(), Fl::event_y_root(), false);
} else {
E_DEBUG(E_STRLOC ": DRAG from desktop\n");
/*
* Moving is started with pushed button.
* From this point selection box is created and is rolled until release
*/
if(selbox->x != 0 || selbox->y != 0) {
selbox->w = Fl::event_x() - selbox->x;
selbox->h = Fl::event_y() - selbox->y;
selbox->show = true;
/* see if there some icons inside selection area */
select_in_area();
/* redraw selection box */
damage(EDAMAGE_OVERLAY);
}
}
return 1;
case FL_RELEASE:
E_DEBUG(E_STRLOC ": RELEASE from desktop\n");
E_DEBUG(E_STRLOC ": clicks: %i\n", Fl::event_is_click());
if(selbox->show) {
selbox->x = selbox->y = selbox->w = selbox->h = 0;
selbox->show = false;
damage(EDAMAGE_OVERLAY);
/*
* Now pickup those who are in is_focused() state.
*
* Possible flickers due overlay will be later removed when is called move_selection(), which
* will in turn redraw icons again after position them.
*/
if(!selectionbuf.empty())
selectionbuf.clear();
DesktopIconListIter it, it_end;
for(it = icons.begin(), it_end = icons.end(); it != it_end; ++it) {
if((*it)->is_focused())
select((*it), false);
}
return 1;
}
if(!selectionbuf.empty() && moving)
move_selection(Fl::event_x_root(), Fl::event_y_root(), true);
/*
* Do not send FL_RELEASE during move
* TODO: should be alowed FL_RELEASE to multiple icons? (aka. run command for all selected icons)?
*/
if(selectionbuf.size() == 1 && !moving)
(*selectionbuf.begin())->handle(FL_RELEASE);
moving = false;
return 1;
case FL_DND_ENTER:
case FL_DND_DRAG:
case FL_DND_LEAVE:
return 1;
case FL_DND_RELEASE: {
DesktopIcon* di = below_mouse(Fl::event_x(), Fl::event_y());
if(di)
return di->handle(event);
return 1;
}
case FL_PASTE: {
DesktopIcon* di = below_mouse(Fl::event_x(), Fl::event_y());
if(di)
return di->handle(event);
//dnd_drop_source(Fl::event_text(), Fl::event_length(), Fl::event_x(), Fl::event_y());
return 1;
}
case FL_ENTER:
case FL_LEAVE:
case FL_MOVE:
return EDE_DESKTOP_WINDOW::handle(event);
default:
break;
}
return 0;
}
int main() {
EDE_APPLICATION("ede-desktop");
signal(SIGTERM, exit_signal);
signal(SIGKILL, exit_signal);
signal(SIGINT, exit_signal);
srand(time(NULL));
/* a lot of preparing code depends on this */
fl_open_display();
#ifndef USE_EDELIB_WINDOW
fl_register_images();
edelib::IconLoader::init();
#endif
Desktop::init();
Desktop::instance()->show();
/* XSelectInput will redirect PropertyNotify messages, which are listened for */
XSelectInput(fl_display, RootWindow(fl_display, fl_screen), PropertyChangeMask | StructureNotifyMask | ClientMessage);
netwm_callback_add(desktop_message_handler);
while(running)
Fl::wait();
Desktop::shutdown();
#ifndef USE_EDELIB_WINDOW
edelib::IconLoader::shutdown();
#endif
return 0;
}
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