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genode/repos/os/include/gui_session/connection.h

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Imported Genode release 11.11
2011-12-22 15:19:25 +00:00
/*
Rename 'Nitpicker' namespace to 'Gui' Issue #3778
2020-06-12 09:23:57 +00:00
* \brief Connection to GUI service
Imported Genode release 11.11
2011-12-22 15:19:25 +00:00
* \author Norman Feske
* \date 2008-08-22
*/
/*
Adjust file headers to refer to the AGPLv3
2017-02-20 12:23:52 +00:00
* Copyright (C) 2008-2017 Genode Labs GmbH
Imported Genode release 11.11
2011-12-22 15:19:25 +00:00
*
* This file is part of the Genode OS framework, which is distributed
Adjust file headers to refer to the AGPLv3
2017-02-20 12:23:52 +00:00
* under the terms of the GNU Affero General Public License version 3.
Imported Genode release 11.11
2011-12-22 15:19:25 +00:00
*/
Rename include/nitpicker_session to gui_session This patch also renames the depot api archive accordingly. Issue #3778
2020-06-11 12:27:20 +00:00
#ifndef _INCLUDE__GUI_SESSION__CONNECTION_H_
#define _INCLUDE__GUI_SESSION__CONNECTION_H_
Imported Genode release 11.11
2011-12-22 15:19:25 +00:00
Rename include/nitpicker_session to gui_session This patch also renames the depot api archive accordingly. Issue #3778
2020-06-11 12:27:20 +00:00
#include <gui_session/client.h>
Imported Genode release 11.11
2011-12-22 15:19:25 +00:00
#include <framebuffer_session/client.h>
#include <input_session/client.h>
#include <base/connection.h>
Rename 'Nitpicker' namespace to 'Gui' Issue #3778
2020-06-12 09:23:57 +00:00
namespace Gui { class Connection; }
Imported Genode release 11.11
2011-12-22 15:19:25 +00:00
Rename 'Nitpicker' namespace to 'Gui' Issue #3778
2020-06-12 09:23:57 +00:00
class Gui::Connection : public Genode::Connection<Session>,
public Session_client
nitpicker: Late allocation of virtual framebuffer This patch changes the interface of Nitpicker to support dynamically dimensioned virtual frame buffers. This solves two problems: First, it enables a client to create a connection to nitpicker without donating much session quota in advance. The old interface required each screen-size-dependent client to donate as much memory as needed to allocate a screen-sized virtual framebuffer. For clients that are interested int the screen size but cover just a small portion of the screen (e.g., a banner, a menu, an applet that sits in the screen corner), this overprovisioning is painful. The new interface allows such clients to upgrade the session quota for an existing session as needed. Second, because each nitpicker session used to have a virtual frame buffer with a fixed size over the lifetime of the session, a client that wanted to implement a variable-sized window had to either vastly overprovide resources (by opening a session as large as the screen just in order to be prepared for the worst case of a maximized window), or it had to replace the session by a new one (thereby discarding the stacking order of the old views) each time the window changes its dimensions. The new interface accommodates such clients much better.
2013-10-14 19:31:14 +00:00
{
private:
Imported Genode release 11.11
2011-12-22 15:19:25 +00:00
nitpicker: Late allocation of virtual framebuffer This patch changes the interface of Nitpicker to support dynamically dimensioned virtual frame buffers. This solves two problems: First, it enables a client to create a connection to nitpicker without donating much session quota in advance. The old interface required each screen-size-dependent client to donate as much memory as needed to allocate a screen-sized virtual framebuffer. For clients that are interested int the screen size but cover just a small portion of the screen (e.g., a banner, a menu, an applet that sits in the screen corner), this overprovisioning is painful. The new interface allows such clients to upgrade the session quota for an existing session as needed. Second, because each nitpicker session used to have a virtual frame buffer with a fixed size over the lifetime of the session, a client that wanted to implement a variable-sized window had to either vastly overprovide resources (by opening a session as large as the screen just in order to be prepared for the worst case of a maximized window), or it had to replace the session by a new one (thereby discarding the stacking order of the old views) each time the window changes its dimensions. The new interface accommodates such clients much better.
2013-10-14 19:31:14 +00:00
Framebuffer::Session_client _framebuffer;
Input::Session_client _input;
nitpicker: let 'Connection' track donated quota This patch adds support for the consecutive re-dimensioning the virtual framebuffer. When changing the buffer size, the session gets upgraded by the missing portion of the quota instead of donating the whole size of the new buffer each time.
2014-06-12 10:25:38 +00:00
Genode::size_t _session_quota = 0;
nitpicker: Late allocation of virtual framebuffer This patch changes the interface of Nitpicker to support dynamically dimensioned virtual frame buffers. This solves two problems: First, it enables a client to create a connection to nitpicker without donating much session quota in advance. The old interface required each screen-size-dependent client to donate as much memory as needed to allocate a screen-sized virtual framebuffer. For clients that are interested int the screen size but cover just a small portion of the screen (e.g., a banner, a menu, an applet that sits in the screen corner), this overprovisioning is painful. The new interface allows such clients to upgrade the session quota for an existing session as needed. Second, because each nitpicker session used to have a virtual frame buffer with a fixed size over the lifetime of the session, a client that wanted to implement a variable-sized window had to either vastly overprovide resources (by opening a session as large as the screen just in order to be prepared for the worst case of a maximized window), or it had to replace the session by a new one (thereby discarding the stacking order of the old views) each time the window changes its dimensions. The new interface accommodates such clients much better.
2013-10-14 19:31:14 +00:00
public:
/**
* Constructor
*/
Remove format strings from connection types Issue #2064
2023-03-03 11:07:28 +00:00
Connection(Genode::Env &env, Label const &label = Label())
Pass Env & as first argument to connection objects This patch supplements each existing connection type with an new constructor that is meant to replace the original one. The new one takes a reference to the component's environment as argument and thereby does not rely on the presence of the globally accessible 'env()' interface. The original constructors are marked as deprecated. Once we have completely abolished the use of the global 'env()', we will remove them. Fixes #1960
2016-05-10 15:24:51 +00:00
:
/* establish nitpicker session */
Remove format strings from connection types Issue #2064
2023-03-03 11:07:28 +00:00
Genode::Connection<Session>(env, label, Ram_quota { 36*1024 }, Args()),
Warn about the use of deprecated env() function This patch enables warnings if one of the deprecate functions that rely in the implicit use of the global Genode::env() accessor are called. For the time being, some places within the base framework continue to rely on the global function while omitting the warning by calling 'env_deprecated' instead of 'env'. Issue #1987
2017-01-09 14:18:49 +00:00
Session_client(env.rm(), cap()),
Pass Env & as first argument to connection objects This patch supplements each existing connection type with an new constructor that is meant to replace the original one. The new one takes a reference to the component's environment as argument and thereby does not rely on the presence of the globally accessible 'env()' interface. The original constructors are marked as deprecated. Once we have completely abolished the use of the global 'env()', we will remove them. Fixes #1960
2016-05-10 15:24:51 +00:00
/* request frame-buffer and input sub sessions */
_framebuffer(framebuffer_session()),
Warn about the use of deprecated env() function This patch enables warnings if one of the deprecate functions that rely in the implicit use of the global Genode::env() accessor are called. For the time being, some places within the base framework continue to rely on the global function while omitting the warning by calling 'env_deprecated' instead of 'env'. Issue #1987
2017-01-09 14:18:49 +00:00
_input(env.rm(), input_session())
Pass Env & as first argument to connection objects This patch supplements each existing connection type with an new constructor that is meant to replace the original one. The new one takes a reference to the component's environment as argument and thereby does not rely on the presence of the globally accessible 'env()' interface. The original constructors are marked as deprecated. Once we have completely abolished the use of the global 'env()', we will remove them. Fixes #1960
2016-05-10 15:24:51 +00:00
{ }
Add missing override annotations Issue #3159
2019-02-14 21:39:08 +00:00
void buffer(Framebuffer::Mode mode, bool use_alpha) override
nitpicker: Late allocation of virtual framebuffer This patch changes the interface of Nitpicker to support dynamically dimensioned virtual frame buffers. This solves two problems: First, it enables a client to create a connection to nitpicker without donating much session quota in advance. The old interface required each screen-size-dependent client to donate as much memory as needed to allocate a screen-sized virtual framebuffer. For clients that are interested int the screen size but cover just a small portion of the screen (e.g., a banner, a menu, an applet that sits in the screen corner), this overprovisioning is painful. The new interface allows such clients to upgrade the session quota for an existing session as needed. Second, because each nitpicker session used to have a virtual frame buffer with a fixed size over the lifetime of the session, a client that wanted to implement a variable-sized window had to either vastly overprovide resources (by opening a session as large as the screen just in order to be prepared for the worst case of a maximized window), or it had to replace the session by a new one (thereby discarding the stacking order of the old views) each time the window changes its dimensions. The new interface accommodates such clients much better.
2013-10-14 19:31:14 +00:00
{
nitpicker: let 'Connection' track donated quota This patch adds support for the consecutive re-dimensioning the virtual framebuffer. When changing the buffer size, the session gets upgraded by the missing portion of the quota instead of donating the whole size of the new buffer each time.
2014-06-12 10:25:38 +00:00
Genode::size_t const needed = ram_quota(mode, use_alpha);
Genode::size_t const upgrade = needed > _session_quota
? needed - _session_quota
: 0;
if (upgrade > 0) {
Adapt low-level components to new parent interface This patch adjusts the components of the os repository as well as device drivers to the new parent interface. Issue #2120
2016-11-06 13:27:26 +00:00
this->upgrade_ram(upgrade);
nitpicker: let 'Connection' track donated quota This patch adds support for the consecutive re-dimensioning the virtual framebuffer. When changing the buffer size, the session gets upgraded by the missing portion of the quota instead of donating the whole size of the new buffer each time.
2014-06-12 10:25:38 +00:00
_session_quota += upgrade;
}
nitpicker: Late allocation of virtual framebuffer This patch changes the interface of Nitpicker to support dynamically dimensioned virtual frame buffers. This solves two problems: First, it enables a client to create a connection to nitpicker without donating much session quota in advance. The old interface required each screen-size-dependent client to donate as much memory as needed to allocate a screen-sized virtual framebuffer. For clients that are interested int the screen size but cover just a small portion of the screen (e.g., a banner, a menu, an applet that sits in the screen corner), this overprovisioning is painful. The new interface allows such clients to upgrade the session quota for an existing session as needed. Second, because each nitpicker session used to have a virtual frame buffer with a fixed size over the lifetime of the session, a client that wanted to implement a variable-sized window had to either vastly overprovide resources (by opening a session as large as the screen just in order to be prepared for the worst case of a maximized window), or it had to replace the session by a new one (thereby discarding the stacking order of the old views) each time the window changes its dimensions. The new interface accommodates such clients much better.
2013-10-14 19:31:14 +00:00
Session_client::buffer(mode, use_alpha);
}
/**
Rename 'Nitpicker' namespace to 'Gui' Issue #3778
2020-06-12 09:23:57 +00:00
* Return sub session for GUI's input service
nitpicker: Late allocation of virtual framebuffer This patch changes the interface of Nitpicker to support dynamically dimensioned virtual frame buffers. This solves two problems: First, it enables a client to create a connection to nitpicker without donating much session quota in advance. The old interface required each screen-size-dependent client to donate as much memory as needed to allocate a screen-sized virtual framebuffer. For clients that are interested int the screen size but cover just a small portion of the screen (e.g., a banner, a menu, an applet that sits in the screen corner), this overprovisioning is painful. The new interface allows such clients to upgrade the session quota for an existing session as needed. Second, because each nitpicker session used to have a virtual frame buffer with a fixed size over the lifetime of the session, a client that wanted to implement a variable-sized window had to either vastly overprovide resources (by opening a session as large as the screen just in order to be prepared for the worst case of a maximized window), or it had to replace the session by a new one (thereby discarding the stacking order of the old views) each time the window changes its dimensions. The new interface accommodates such clients much better.
2013-10-14 19:31:14 +00:00
*/
transition Input infrastructure to new base API * Supply Env to Input::Session_component * Attach input event dataspace at Input::Client * Process input events by lambda rather than pointer * Supply Env and a label to Input::Connection * Wm serves valid input_session to decorator * Per-source signal handling at input_merger * Base API update for dummy_input_drv, test_input * Input API update for launcher, menu_view, terminal, mupdf, sdl, seoul, virtualbox Ref #1987
2016-09-12 16:41:37 +00:00
Input::Session_client *input() { return &_input; }
nitpicker: Late allocation of virtual framebuffer This patch changes the interface of Nitpicker to support dynamically dimensioned virtual frame buffers. This solves two problems: First, it enables a client to create a connection to nitpicker without donating much session quota in advance. The old interface required each screen-size-dependent client to donate as much memory as needed to allocate a screen-sized virtual framebuffer. For clients that are interested int the screen size but cover just a small portion of the screen (e.g., a banner, a menu, an applet that sits in the screen corner), this overprovisioning is painful. The new interface allows such clients to upgrade the session quota for an existing session as needed. Second, because each nitpicker session used to have a virtual frame buffer with a fixed size over the lifetime of the session, a client that wanted to implement a variable-sized window had to either vastly overprovide resources (by opening a session as large as the screen just in order to be prepared for the worst case of a maximized window), or it had to replace the session by a new one (thereby discarding the stacking order of the old views) each time the window changes its dimensions. The new interface accommodates such clients much better.
2013-10-14 19:31:14 +00:00
/**
* Return sub session for session's frame buffer
*/
Framebuffer::Session *framebuffer() { return &_framebuffer; }
};
Imported Genode release 11.11
2011-12-22 15:19:25 +00:00
Rename include/nitpicker_session to gui_session This patch also renames the depot api archive accordingly. Issue #3778
2020-06-11 12:27:20 +00:00
#endif /* _INCLUDE__GUI_SESSION__CONNECTION_H_ */
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