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apps/graphics/twm4nx: Additional changes needed to use touchscreen with no keyboard.

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This commit is contained in:
Gregory Nutt 2019-05-04 14:51:49 -06:00
parent afbb51eb1e
commit f64df4a376
5 changed files with 147 additions and 45 deletions
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166
graphics/twm4nx/src/cinput.cxx
View File

@ -1,4 +1,4 @@
/********************************************************************************************
/****************************************************************************
* apps/graphics/NxWidgets/nxwm/src/cinput.cxx
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
@ -31,11 +31,11 @@
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
********************************************************************************************/
****************************************************************************/
/********************************************************************************************
/****************************************************************************
* Included Files
********************************************************************************************/
****************************************************************************/
#include <nuttx/config.h>
@ -49,24 +49,40 @@
#include <assert.h>
#include <nuttx/nx/nxglib.h>
#include <nuttx/input/mouse.h>
#ifdef CONFIG_TWM4NX_MOUSE
# include <nuttx/input/mouse.h>
# include <nuttx/nx/nxcursor.h>
# include "graphics/twm4nx/twm4nx_cursor.hxx"
#else
# include <nuttx/input/touchscreen.h>
#endif
#include "graphics/twm4nx/twm4nx_config.hxx"
#include "graphics/twm4nx/ctwm4nx.hxx"
#include "graphics/twm4nx/twm4nx_cursor.hxx"
#include "graphics/twm4nx/cinput.hxx"
/********************************************************************************************
/****************************************************************************
* Pre-Processor Definitions
********************************************************************************************/
****************************************************************************/
/********************************************************************************************
#ifndef CONFIG_TWM4NX_NOKEYBOARD
# define KBD_INDEX 0
# define NINPUT_DEVICES 1
# ifndef CONFIG_TWM4NX_NOMOUSE
# define MOUSE_INDEX 1
# define NINPUT_DEVICES 2
# else
# define NINPUT_DEVICES 1
# endif
#else
# define MOUSE_INDEX 0
# define NINPUT_DEVICES 1
#endif
/****************************************************************************
* CInput Method Implementations
********************************************************************************************/
****************************************************************************/
using namespace Twm4Nx;
@ -80,7 +96,12 @@ using namespace Twm4Nx;
CInput::CInput(CTwm4Nx *twm4nx)
{
m_twm4nx = twm4nx; // Save the NX server
m_kbdFd = -1; // Device driver is not opened
#ifndef CONFIG_TWM4NX_NOKEYBOARD
m_kbdFd = -1; // Keyboard driver is not opened
#endif
#ifndef CONFIG_TWM4NX_NOMOUSE
m_mouseFd = -1; // Mouse/touchscreen driver is not opened
#endif
m_state = LISTENER_NOTRUNNING; // The listener thread is not running yet
// Initialize the semaphore used to synchronize with the listener thread
@ -104,12 +125,23 @@ CInput::~CInput(void)
(void)pthread_kill(m_thread, CONFIG_TWM4NX_INPUT_SIGNO);
// Close the keyboard device (or should these be done when the thread exits?)
#ifndef CONFIG_TWM4NX_NOKEYBOARD
// Close the keyboard device
if (m_kbdFd >= 0)
{
std::close(m_kbdFd);
}
#endif
#ifndef CONFIG_TWM4NX_NOKEYBOARD
// Close the mouse/touchscreen device
if (m_mouseFd >= 0)
{
std::close(m_mouseFd);
}
#endif
}
/**
@ -179,6 +211,7 @@ bool CInput::start(void)
* negated errno value is returned if an irrecoverable error occurs.
*/
#ifndef CONFIG_TWM4NX_NOKEYBOARD
int CInput::keyboardOpen(void)
{
int fd;
@ -238,6 +271,7 @@ int CInput::keyboardOpen(void)
return fd;
}
#endif
/**
* Open the mouse/touchscreen input devices. Not very interesting for the
@ -253,6 +287,7 @@ int CInput::keyboardOpen(void)
* negated errno value is returned if an irrecoverable error occurs.
*/
#ifndef CONFIG_TWM4NX_NOMOUSE
inline int CInput::mouseOpen(void)
{
int fd;
@ -312,6 +347,7 @@ inline int CInput::mouseOpen(void)
return fd;
}
#endif
/**
* Read data from the keyboard device and inject the keyboard data
@ -321,6 +357,7 @@ inline int CInput::mouseOpen(void)
* negated errno value is returned if an irrecoverable error occurs.
*/
#ifndef CONFIG_TWM4NX_NOKEYBOARD
int CInput::keyboardInput(void)
{
// Read one keyboard sample
@ -365,7 +402,8 @@ int CInput::keyboardInput(void)
// Inject the keyboard input into NX
int ret = nx_kbdin(m_twm4nx, (uint8_t)nbytes, rxbuffer);
NXHANDLE server = m_twm4nx->getServer();
int ret = nx_kbdin(server, (uint8_t)nbytes, rxbuffer);
if (ret < 0)
{
twmerr("ERROR: nx_kbdin failed: %d\n", ret);
@ -376,9 +414,10 @@ int CInput::keyboardInput(void)
return OK;
}
#endif
/**
* Read data from the mouse/touchscreen device. if the input device is a
* Read data from the mouse/touchscreen device. If the input device is a
* mouse, then update the cursor position. And, in either case, inject
* the mouse data into NX for proper distribution.
*
@ -386,6 +425,7 @@ int CInput::keyboardInput(void)
* value is returned if an irrecoverable error occurs.
*/
#ifndef CONFIG_TWM4NX_NOMOUSE
int CInput::mouseInput(void)
{
// Read one mouse sample
@ -420,10 +460,9 @@ int CInput::mouseInput(void)
fwarn("WARNING: Awakened with EINTR\n");
}
#ifdef CONFIG_TWM4NX_MOUSE
// On a truly successful read, the size of the returned data will
// be greater than or equal to size of one touchscreen sample. It
// be greater only in the case of a multi-touch touchscreen device
// when multi-touches are reported.
// be greater than or equal to size of one mouse report.
else if (nbytes < (ssize_t)sizeof(struct mouse_report_s))
{
@ -458,7 +497,8 @@ int CInput::mouseInput(void)
// Then inject the mouse input into NX
ret = nx_mousein(m_twm4nx, rpt->x, rpt->y, rpt->buttons);
NXHANDLE server = m_twm4nx->getServer();
ret = nx_mousein(server, rpt->x, rpt->y, rpt->buttons);
if (ret < 0)
{
twmerr("ERROR: nx_mousein failed: %d\n", ret);
@ -466,9 +506,45 @@ int CInput::mouseInput(void)
// Ignore the error
}
}
#else
// On a truly successful read, the size of the returned data will
// be greater than or equal to size of one touchscreen sample. It
// be greater only in the case of a multi-touch touchscreen device
// when multi-touches are reported.
else if (nbytes < (ssize_t)SIZEOF_TOUCH_SAMPLE_S(1))
{
twmerr("ERROR Unexpected read size=%d, expected=%d\n",
nbytes, SIZEOF_TOUCH_SAMPLE_S(1));
return -EIO;
}
else
{
// Looks like good touchscreen input... process it.
// NOTE: m_twm4nx inherits from NXWidgets::CNXServer so we all ready
// have the server instance.
// Inject the touchscreen as mouse input into NX (with the left
// button pressed)
FAR struct touch_sample_s *rpt =
(FAR struct touch_sample_s *)rxbuffer;
NXHANDLE server = m_twm4nx->getServer();
int ret = nx_mousein(server, rpt->point[0].x, rpt->point[0].y,
MOUSE_BUTTON_1);
if (ret < 0)
{
twmerr("ERROR: nx_mousein failed: %d\n", ret);
// Ignore the error
}
}
#endif
return OK;
}
#endif
/**
* This is the heart of the keyboard/mouse listener thread. It
@ -487,6 +563,7 @@ int CInput::session(void)
{
twminfo("Session started\n");
#ifdef CONFIG_TWM4NX_MOUSE
// Center the cursor
struct nxgl_size_s size;
@ -505,6 +582,7 @@ int CInput::session(void)
// Enable the cursor
m_twm4nx->enableCursor(true);
#endif
// Loop, reading and dispatching keyboard data
@ -513,21 +591,19 @@ int CInput::session(void)
{
// Wait for data availability
struct pollfd pfd[2] =
{
{
.fd = m_kbdFd,
.events = POLLIN | POLLERR | POLLHUP,
.revents = 0
},
{
.fd = m_mouseFd,
.events = POLLIN | POLLERR | POLLHUP,
.revents = 0
},
};
struct pollfd pfd[NINPUT_DEVICES];
#ifndef CONFIG_TWM4NX_NOKEYBOARD
pfd[KBD_INDEX].fd = m_kbdFd;
pfd[KBD_INDEX].events = POLLIN | POLLERR | POLLHUP;
pfd[KBD_INDEX]revents = 0;
#endif
#ifndef CONFIG_TWM4NX_NOMOUSE
pfd[MOUSE_INDEX].fd = m_mouseFd;
pfd[MOUSE_INDEX].events = POLLIN | POLLERR | POLLHUP;
pfd[MOUSE_INDEX].revents = 0;
#endif
ret = poll(pfd, 2, -1);
ret = poll(pfd, NINPUT_DEVICES, -1);
if (ret < 0)
{
int errcode = errno;
@ -545,17 +621,18 @@ int CInput::session(void)
}
}
#ifndef CONFIG_TWM4NX_NOKEYBOARD
// Check for keyboard input
if ((pfd[0].revents & (POLLERR | POLLHUP)) != 0)
if ((pfd[KBD_INDEX].revents & (POLLERR | POLLHUP)) != 0)
{
twmerr("ERROR: keyboard poll() failed. revents=%04x\n",
pfd[0].revents);
pfd[KBD_INDEX].revents);
ret = -EIO;
break;
}
if ((pfd[0].revents & POLLIN) != 0)
if ((pfd[KBD_INDEX].revents & POLLIN) != 0)
{
ret = keyboardInput();
if (ret < 0)
@ -564,18 +641,20 @@ int CInput::session(void)
break;
}
}
#endif
#ifndef CONFIG_TWM4NX_NOMOUSE
// Check for mouse input
if ((pfd[1].revents & (POLLERR | POLLHUP)) != 0)
if ((pfd[MOUSE_INDEX].revents & (POLLERR | POLLHUP)) != 0)
{
twmerr("ERROR: Mouse poll() failed. revents=%04x\n",
pfd[1].revents);
pfd[MOUSE_INDEX].revents);
ret = -EIO;
break;
}
if ((pfd[1].revents & POLLIN) != 0)
if ((pfd[MOUSE_INDEX].revents & POLLIN) != 0)
{
ret = mouseInput();
if (ret < 0)
@ -584,11 +663,14 @@ int CInput::session(void)
break;
}
}
#endif
}
#ifdef CONFIG_TWM4NX_MOUSE
// Disable the cursor
m_twm4nx->enableCursor(false);
#endif
return ret;
}
@ -626,6 +708,7 @@ FAR void *CInput::listener(FAR void *arg)
while (This->m_state == LISTENER_RUNNING)
#endif
{
#ifndef CONFIG_TWM4NX_NOKEYBOARD
// Open/Re-open the keyboard device
This->m_kbdFd = This->keyboardOpen();
@ -636,7 +719,9 @@ FAR void *CInput::listener(FAR void *arg)
sem_post(&This->m_waitSem);
return (FAR void *)0;
}
#endif
#ifndef CONFIG_TWM4NX_NOMOUSE
// Open/Re-open the mouse device
This->m_mouseFd = This->mouseOpen();
@ -647,6 +732,7 @@ FAR void *CInput::listener(FAR void *arg)
sem_post(&This->m_waitSem);
return (FAR void *)0;
}
#endif
#if !defined(CONFIG_TWM4NX_KEYBOARD_USBHOST) && !defined(CONFIG_TWM4NX_MOUSE_USBHOST)
// Indicate that we have successfully initialized
@ -676,15 +762,19 @@ FAR void *CInput::listener(FAR void *arg)
UNUSED(ret);
#endif
#ifndef CONFIG_TWM4NX_NOKEYBOARD
// Close the keyboard device
(void)std::close(This->m_kbdFd);
This->m_kbdFd = -1;
#endif
#ifndef CONFIG_TWM4NX_NOMOUSE
// Close the mouse device
(void)std::close(This->m_mouseFd);
This->m_mouseFd = -1;
#endif
}
// We should get here only if we were asked to terminate via

6
graphics/twm4nx/src/ctwm4nx.cxx
View File

@ -129,7 +129,7 @@ CTwm4Nx::CTwm4Nx(int display)
m_fonts = (FAR CFonts *)0;
m_resize = (FAR CResize *)0;
#if !defined(CONFIG_TWM4NX_NOKEYBOARD) && !defined(CONFIG_TWM4NX_NOMOUSE)
#if !defined(CONFIG_TWM4NX_NOKEYBOARD) || !defined(CONFIG_TWM4NX_NOMOUSE)
m_input = (FAR CInput *)0;
#endif
}
@ -221,7 +221,7 @@ bool CTwm4Nx::run(void)
m_maxWindow.w = INT16_MAX - m_displaySize.w;
m_maxWindow.h = INT16_MAX - m_displaySize.w;
#if !defined(CONFIG_TWM4NX_NOKEYBOARD) && !defined(CONFIG_TWM4NX_NOMOUSE)
#if !defined(CONFIG_TWM4NX_NOKEYBOARD) || !defined(CONFIG_TWM4NX_NOMOUSE)
// Create the keyboard/mouse input device thread
m_input = new CInput(this);
@ -519,7 +519,7 @@ void CTwm4Nx::cleanup()
m_background = (FAR CBackground *)0;
}
#if !defined(CONFIG_TWM4NX_NOKEYBOARD) && !defined(CONFIG_TWM4NX_NOMOUSE)
#if !defined(CONFIG_TWM4NX_NOKEYBOARD) || !defined(CONFIG_TWM4NX_NOMOUSE)
// Halt the keyboard/mouse listener and destroy the CInput class
if (m_input != (CInput *)0)

14
include/graphics/twm4nx/cinput.hxx
View File

@ -89,12 +89,17 @@ namespace Twm4Nx
*/
CTwm4Nx *m_twm4nx; /**< The Twm4Nx session */
#ifndef CONFIG_TWM4NX_NOKEYBOARD
int m_kbdFd; /**< File descriptor of the opened keyboard device */
#endif
#ifndef CONFIG_TWM4NX_NOMOUSE
int m_mouseFd; /**< File descriptor of the opened mouse device */
#endif
pthread_t m_thread; /**< The listener thread ID */
volatile enum EListenerState m_state; /**< The state of the listener thread */
sem_t m_waitSem; /**< Used to synchronize with the listener thread */
#ifndef CONFIG_TWM4NX_NOKEYBOARD
/**
* Open the keyboard device. Not very interesting for the case of
* standard device but much more interesting for a USB keyboard device
@ -110,7 +115,9 @@ namespace Twm4Nx
*/
inline int keyboardOpen(void);
#endif
#ifndef CONFIG_TWM4NX_NOMOUSE
/**
* Open the mouse/touchscreen input device. Not very interesting for the
* case of standard character device but much more interesting for
@ -126,7 +133,9 @@ namespace Twm4Nx
*/
inline int mouseOpen(void);
#endif
#ifndef CONFIG_TWM4NX_NOKEYBOARD
/**
* Read data from the keyboard device and inject the keyboard data
* into NX for proper distribution.
@ -136,9 +145,11 @@ namespace Twm4Nx
*/
inline int keyboardInput(void);
#endif
#ifndef CONFIG_TWM4NX_NOMOUSE
/**
* Read data from the mouse/touchscreen device. if the input device
* Read data from the mouse/touchscreen device. If the input device
* is a mouse, then update the cursor position. And, in either case,
* inject the mouse data into NX for proper distribution.
*
@ -147,6 +158,7 @@ namespace Twm4Nx
*/
inline int mouseInput(void);
#endif
/**
* This is the heart of the keyboard/mouse listener thread. It

2
include/graphics/twm4nx/ctwm4nx.hxx
View File

@ -117,7 +117,7 @@ namespace Twm4Nx
FAR CFonts *m_fonts; /**< The cached Cfonts instance */
FAR CResize *m_resize; /**< The cached CResize instance */
#if !defined(CONFIG_TWM4NX_NOKEYBOARD) && !defined(CONFIG_TWM4NX_NOMOUSE)
#if !defined(CONFIG_TWM4NX_NOKEYBOARD) || !defined(CONFIG_TWM4NX_NOMOUSE)
FAR CInput *m_input; /**< Keyboard/mouse input injector */
#endif
/* Display properties */

4
include/graphics/twm4nx/twm4nx_config.hxx
View File

@ -432,7 +432,7 @@
* CONFIG_TWM4NX_MOUSE_USBHOST - Indicates the the mouse is attached via
* USB
* CONFIG_TWM4NX_MOUSE_BUFSIZE - The size of the mouse read data buffer.
* Default: sizeof(struct mouse_report_s)
* Default: sizeof(struct mouse_report_s) or SIZEOF_TOUCH_SAMPLE_S(1)
*/
#ifndef CONFIG_TWM4NX_MOUSE_DEVPATH
@ -447,7 +447,7 @@
# ifdef CONFIG_TWM4NX_MOUSE
# define CONFIG_TWM4NX_MOUSE_BUFSIZE sizeof(struct mouse_report_s)
# else
# define CONFIG_TWM4NX_MOUSE_BUFSIZE sizeof(SIZEOF_TOUCH_SAMPLE_S(1))
# define CONFIG_TWM4NX_MOUSE_BUFSIZE SIZEOF_TOUCH_SAMPLE_S(1)
# endif
#endif