/* * $Id$ * * ede-desktop, desktop and icon manager * Part of Equinox Desktop Environment (EDE). * Copyright (c) 2006-2008 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 #endif #include // sleep #include #include // rand, srand #include // time #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ede-desktop.h" #include "DesktopIcon.h" #include "Utils.h" #include "Wallpaper.h" #define EDE_DESKTOP_UID 0x10 #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)) static void background_conf_cb(Fl_Widget*, void*); static void icons_conf_cb(Fl_Widget*, void*); edelib::MenuItem desktop_menu[] = { {_("Create &launcher..."), 0, 0}, {_("Create &folder..."), 0, 0, 0, FL_MENU_DIVIDER}, {_("&Arrange"), 0, 0, 0, FL_SUBMENU | FL_MENU_DIVIDER}, {_("&Vertical line up"), 0, 0}, {_("&Horizontal line up"), 0, 0}, {0}, {_("&Copy"), 0, 0}, {_("&Paste"), 0, 0, 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 restart_signal(int signum) { E_DEBUG(E_STRLOC ": Restarting (got signal %d)\n", signum); } 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(void* data) { Desktop::instance()->read_config(); Desktop::instance()->redraw(); } static void background_conf_cb(Fl_Widget*, void*) { edelib::run_async("ede-launch ede-desktop-conf"); } static void icons_conf_cb(Fl_Widget*, void*) { edelib::run_async("ede-launch ede-desktop-conf --icons"); } static int desktop_xmessage_handler(int event) { if(fl_xevent->type == PropertyNotify) { if(fl_xevent->xproperty.atom == _XA_NET_CURRENT_DESKTOP) { Desktop::instance()->notify_desktop_changed(); return 1; } if(fl_xevent->xproperty.atom == _XA_NET_WORKAREA) { Desktop::instance()->update_workarea(); return 1; } } return 0; } Desktop::Desktop() : DESKTOP_WINDOW(0, 0, 100, 100, "") { selection_x = selection_y = 0; moving = false; do_dirwatch = true; #ifdef USE_EDELIB_WINDOW window_id(EDE_DESKTOP_UID); foreign_callback(settings_changed_cb); /* 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_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; delete dbus; edelib::DirWatch::shutdown(); } void Desktop::init_internals(void) { edelib::String p; init_atoms(); 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)); desktop_menu[6].image(edelib::IconLoader::get("edit-copy", edelib::ICON_SIZE_TINY)); desktop_menu[7].image(edelib::IconLoader::get("edit-paste", edelib::ICON_SIZE_TINY)); wallpaper = new Wallpaper(0, 0, w(), h()); end(); 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; } /* read main config */ read_config(); /* now try to load icons from "Desktop" directory */ p = edelib::dir_home(); edelib::String desktop_path = edelib::build_filename(p.c_str(), "Desktop"); /* setup watcher used for Desktop and Trash directories */ edelib::DirWatch::init(); if(edelib::file_test(desktop_path.c_str(), edelib::FILE_TEST_IS_DIR)) { load_icons(desktop_path.c_str()); if(!edelib::DirWatch::add(desktop_path.c_str(), edelib::DW_CREATE | edelib::DW_MODIFY | edelib::DW_RENAME | edelib::DW_DELETE)) { E_WARNING(E_STRLOC ": Unable to watch %s\n", desktop_path.c_str()); } } /* * For watching Trash, we will check Trash/files only with create/delete flags and * in callback will be checked if directory is empty (trash empty) or not (trash full). */ p = edelib::user_data_dir(); trash_path = edelib::build_filename(p.c_str(), "Trash/files"); if(edelib::file_test(trash_path.c_str(), edelib::FILE_TEST_IS_DIR)) { if(!edelib::DirWatch::add(trash_path.c_str(), edelib::DW_CREATE | edelib::DW_DELETE)) E_WARNING(E_STRLOC ": Unable to watch %s\n", trash_path.c_str()); } /* draw appropriate trash icon */ update_trash_icons(); edelib::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; } /* * This function must be overriden so window can inform wm to see it as desktop. It will send data when window * is created, but before is shown. */ void Desktop::show(void) { if(!shown()) { Fl_X::make_xid(this); net_make_me_desktop(this); } } /* 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(!net_get_workarea(X, Y, W, H)) { E_DEBUG(E_STRLOC ": wm does not support _NET_WM_WORKAREA; using screen sizes...\n"); X = Y = 0; W = DisplayWidth(fl_display, fl_screen); H = DisplayHeight(fl_display, fl_screen); } resize(X, Y, W, H); } void Desktop::read_config(void) { edelib::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[256]; 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_fontsize", gisett->label_fontsize, 12); 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); /* 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); edelib::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) { edelib::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); edelib::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, edelib::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); if(conf) { /* we load positions from used ede-desktop-icos.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_by_path(const char* path) { DesktopIconListIter pos; DesktopIcon* ic = find_icon_by_path(path, &pos); if(!ic) { E_DEBUG(">>> Didn't find %s\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::update_trash_icons(void) { bool is_empty = edelib::dir_empty(trash_path.c_str()); DesktopIconListIter it = icons.begin(), it_end = icons.end(); for(; it != it_end; ++it) { if((*it)->icon_type() == ICON_TRASH) { if(is_empty) (*it)->use_icon1(); else (*it)->use_icon2(); } } } 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 = net_get_current_desktop(); if(num == -1) return; char** names; int ret = net_get_workspace_names(names); if(!ret) return; if(num >= ret) { XFreeStringList(names); return; } 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); } XFreeStringList(names); } 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(!edelib::file_test(sptr, edelib::FILE_TEST_IS_REGULAR) || !edelib::file_test(sptr, edelib::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")) { edelib::DesktopFile dconf; edelib::String path = sptr; edelib::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(); } 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(); 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(trash_path == dir) { update_trash_icons(); E_DEBUG(E_STRLOC ": event on trash dir %s\n", dir); 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) { 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 DESKTOP_WINDOW::handle(event); default: break; } return 0; } int main() { signal(SIGTERM, exit_signal); signal(SIGKILL, exit_signal); signal(SIGINT, exit_signal); signal(SIGHUP, restart_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); Fl::add_handler(desktop_xmessage_handler); while(running) Fl::wait(); Desktop::shutdown(); #ifndef USE_EDELIB_WINDOW edelib::IconLoader::shutdown(); #endif return 0; }