Ichthyostega
e94b294121
this pretty much resolves most of the uncertainities: we now get a set of mutually dependent services, each of which is aware of each other member's capabilities, but accesses those only through this partner's API
158 lines
4 KiB
C++
158 lines
4 KiB
C++
/*
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WindowList - manage all top level windows
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Copyright (C) Lumiera.org
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2008, Joel Holdsworth <joel@airwebreathe.org.uk>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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/** @file window-list.cpp
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** Implementation parts of the list to manage all top level windows.
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** @see ui-manager.hpp
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*/
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#include "gui/workspace/global-ctx.hpp"
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#include "gui/workspace/window-list.hpp"
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#include "gui/workspace/workspace-window.hpp"
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#include "lib/util.hpp"
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#include <memory>
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#include <list>
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using util::cStr;
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using util::isnil;
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using std::list;
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namespace gui {
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namespace workspace {
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WindowList::WindowList (GlobalCtx& globals)
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: globalCtx_{globals}
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, windowList_{}
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{ }
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void
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WindowList::newWindow ()
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{
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PWindow window (new WorkspaceWindow{globalCtx_.uiManager_});
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REQUIRE(window);
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window->signal_delete_event().connect(sigc::mem_fun(
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this, &WindowList::on_window_closed));
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windowList_.push_back(window);
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window->show();
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updateCloseWindowInMenus();
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}
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/** find and retrieve a WorkspaceWindow (top-level window)
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* marked as 'active' by GTK.
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* @return the first matching window, or the first window
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* in list, when no window is marked active
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* @note never `NULL`, but assuming this function is only ever
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* called when there is at least one Lumiera window.
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*/
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WorkspaceWindow&
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WindowList::findActiveWindow()
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{
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REQUIRE (not isnil (windowList_));
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for (auto pwin : windowList_)
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if (pwin->is_active())
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return *pwin;
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// use the first window in list when none is active
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return *windowList_.front();
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}
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/** similar to #findFocusWindow(), for the 'has_focus' property
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* @note likewise we return the first window in list, in case no window
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* has keyboard focus. This may very well be the case.
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*/
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WorkspaceWindow&
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WindowList::findFocusWindow()
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{
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REQUIRE (not isnil (windowList_));
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for (auto pwin : windowList_)
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if (pwin->has_focus())
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return *pwin;
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// use the first window in list when none has focus
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return *windowList_.front();
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}
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bool
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WindowList::on_window_closed (GdkEventAny* event)
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{
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REQUIRE(event);
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REQUIRE(event->window);
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list<PWindow>::iterator iterator{windowList_.begin()};
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while (iterator != windowList_.end())
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{
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PWindow workspace_window(*iterator);
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REQUIRE(workspace_window);
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Glib::RefPtr<Gdk::Window> window = workspace_window->get_window();
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REQUIRE(window);
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if (window->gobj() == event->window)
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{
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// This window has been closed
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iterator = windowList_.erase(iterator);
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}
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else
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iterator++;
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}
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if (windowList_.empty())
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{
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// All windows have been closed - we should exit
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Gtk::Main *main = Gtk::Main::instance(); ////////////////////////////////////////////////TICKET #1032 : use gtk::Application instead of gtk::Main
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REQUIRE(main);
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main->quit();
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}
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updateCloseWindowInMenus();
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// Unless this is false, the window won't close
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return false;
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}
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void
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WindowList::updateCloseWindowInMenus()
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{
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globalCtx_.uiManager_.allowCloseWindow ( 1 < windowList_.size());
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}
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}}// namespace gui::workspace
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