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ivi-layout api.
interpolate frames during transition.
Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
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The basement of this code is from input-panel.c of desktop shell.
Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
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Change-Id: I2f74d8e7842c9cb481f7758e0412875c069926f4
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Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
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Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
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This is launched from hmi-controller by launch_hmi_client_process and invoke a
client process.
The basic flow is as followed,
1/ process invoked
2/ read configuration from weston.ini.
3/ draw png file to surface according to configuration of weston.ini
4/ all parts of UI are ready. request "UI_ready" to draw UI.
5/ Enter event loop
6/ If a surface receives touch/pointer event, followings are invoked according
to type of event and surface
6-1/ If a surface to launch ivi_application receive touch up, it execs
ivi-application configured in weston.ini.
6-2/ If a surface to switch layout mode receive touch up, it sends a request,
ivi_hmi_controller_switch_mode, to hmi-controller.
6-3/ If a surface to show workspace having launchers, it sends a request,
ivi_hmi_controller_home, to hmi-controller.
6-4/ If touch down events happens in workspace,
ivi_hmi_controller_workspace_control is sent to slide workspace.
When control finished, event: ivi_hmi_controller_workspace_end_control
is received.
Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
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The library is used to manage layout of surfaces/layers. Layout change is
triggered by ivi-hmi-controller protocol, ivi-hmi-controller.xml. A reference
how to use the protocol, see hmi-controller-homescreen.
In-Vehicle Infotainment system usually manage properties of surfaces/layers
by only a central component which decide where surfaces/layers shall be. This
reference show examples to implement the central component as a module of
weston.
Default Scene graph of UI is defined in hmi_controller_create. It consists of
- In the bottom, a base layer to group surfaces of background, panel,
and buttons
- Next, a application layer to show application surfaces.
- Workspace background layer to show a surface of background image.
- Workspace layer to show launcher to launch application with icons. Paths to
binary and icon are defined in weston.ini. The width of this layer is longer
than the size of screen because a workspace has several pages and is
controlled by motion of input.
Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
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API set of controlling properties of surface and layer which groups
surfaces. An unique ID whose type is integer is required to create
surface and layer. With the unique ID, surface and layer are identified
to control them. The API set consists of APIs to control properties of
surface and layers about followings,
- visibility.
- opacity.
- clipping (x,y,width,height).
- position and size of it to be displayed.
- orientation per 90 degree.
- add or remove surfaces to a layer.
- order of surfaces/layers in layer/screen to be displayed.
- commit to apply property changes.
- notifications of property change.
Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
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In-Vehicle Infotainment system traditionally manages surfaces with global
identification. A protocol, ivi_application, supports such a feature by
implementing a request, ivi_application::surface_creation defined in
ivi_application.xml.
The ivi-shell explicitly loads ivi-layout.so and a module to add business
logic like how to layout surfaces by using ivi-layout APIs.
Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
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Change-Id: Ibfed4937c6083937d2b29154e0485c1caf8365a1
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