diff options
Diffstat (limited to 'NxWidgets/nxwm/src/cstartwindow.cxx')
| -rw-r--r-- | NxWidgets/nxwm/src/cstartwindow.cxx | 153 |
1 files changed, 6 insertions, 147 deletions
diff --git a/NxWidgets/nxwm/src/cstartwindow.cxx b/NxWidgets/nxwm/src/cstartwindow.cxx index bc7b747f8..1b56094ec 100644 --- a/NxWidgets/nxwm/src/cstartwindow.cxx +++ b/NxWidgets/nxwm/src/cstartwindow.cxx @@ -1,7 +1,7 @@ /******************************************************************************************** * NxWidgets/nxwm/src/cstartwindow.cxx * - * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Copyright (C) 2012-2013 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -44,8 +44,6 @@ #include <csched> #include <cerrno> -#include <mqueue.h> - #include "cwidgetcontrol.hxx" #include "nxwmconfig.hxx" @@ -66,7 +64,7 @@ */ FAR const char *NxWM::g_startWindowMqName = CONFIG_NXWM_STARTWINDOW_MQNAME; - + /******************************************************************************************** * CStartWindow Method Implementations ********************************************************************************************/ @@ -89,10 +87,6 @@ CStartWindow::CStartWindow(CTaskbar *taskbar, CApplicationWindow *window) m_taskbar = taskbar; m_window = window; - // The start window task is not running - - m_taskId = -1; - // Add our personalized window label NXWidgets::CNxString myName = getName(); @@ -169,24 +163,7 @@ NXWidgets::CNxString CStartWindow::getName(void) bool CStartWindow::run(void) { - // Some sanity checking - - if (m_taskId >= 0) - { - // The start window task is already running??? - - return false; - } - - // Start the start window task - - m_taskId = TASK_CREATE("StartWindow", CONFIG_NXWM_STARTWINDOW_PRIO, - CONFIG_NXWM_STARTWINDOW_STACKSIZE, startWindow, - (FAR char * const *)0); - - // Did we successfully start the NxConsole task? - - return m_taskId >= 0; + return true; } /** @@ -195,21 +172,8 @@ bool CStartWindow::run(void) void CStartWindow::stop(void) { - // Delete the start window task --- what are we doing? This should never - // happen because the start window task is persistent! - - if (m_taskId >= 0) - { - // Call task_delete(), possibly stranding resources - - pid_t pid = m_taskId; - m_taskId = -1; - - // Then delete the NSH task - - task_delete(pid); - } } + /** * Destroy the application and free all of its resources. This method * will initiate blocking of messages from the NX server. The server @@ -532,7 +496,7 @@ void CStartWindow::getIconBounds(void) void CStartWindow::removeAllApplications(void) { - // Stop all applications and remove them from the start window. Clearly, there + // Stop all applications and remove them from the start window. Clearly, there // are some ordering issues here... On an orderly system shutdown, disconnection // should really occur priority to deleting instances @@ -543,7 +507,7 @@ void CStartWindow::removeAllApplications(void) IApplicationFactory *app = m_slots.at(0).app; // Now, delete the image and the application - + delete app; delete m_slots.at(0).image; @@ -596,108 +560,3 @@ void CStartWindow::handleActionEvent(const NXWidgets::CWidgetEventArgs &e) } } -/** - * This is the start window task. This function receives window events from - * the NX listener threads indirectly through this sequence: - * - * 1. NX listener thread receives a windows event. This may be a - * positional change notification, a redraw request, or mouse or - * keyboard input. - * 2. The NX listener thread performs the callback by calling a - * NXWidgets::CCallback method associated with the window. - * 3. NXWidgets::CCallback calls into NXWidgets::CWidgetControl to process - * the event. - * 4. NXWidgets::CWidgetControl records the new state data and raises a - * window event. - * 5. NXWidgets::CWindowEventHandlerList will give the event to - * NxWM::CWindowMessenger. - * 6. NxWM::CWindowMessenger will send the a message on a well-known message - * queue. - * 7. This CStartWindow::startWindow task will receive and process that - * message. - */ - -int CStartWindow::startWindow(int argc, char *argv[]) -{ - /* Open a well-known message queue for reading */ - - struct mq_attr attr; - attr.mq_maxmsg = CONFIG_NXWM_STARTWINDOW_MXMSGS; - attr.mq_msgsize = sizeof(struct SStartWindowMessage); - attr.mq_flags = 0; - - mqd_t mqd = mq_open(g_startWindowMqName, O_RDONLY|O_CREAT, 0666, &attr); - if (mqd == (mqd_t)-1) - { - gdbg("ERROR: mq_open(%s) failed: %d\n", g_startWindowMqName, errno); - return EXIT_FAILURE; - } - - // Now loop forever, receiving and processing messages. Ultimately, all - // widget driven events (button presses, etc.) are driven by this logic - // on this thread. - - for (;;) - { - // Receive the next message - - struct SStartWindowMessage msg; - ssize_t nbytes = mq_receive(mqd, &msg, sizeof(struct SStartWindowMessage), 0); - if (nbytes < 0) - { - int errval = errno; - - // EINTR is not an error. The wait was interrupted by a signal and - // we just need to try reading again. - - if (errval != EINTR) - { - gdbg("ERROR: mq_receive failed: %d\n", errval); - } - else - { - gdbg("mq_receive interrupted by signal\n"); - } - - continue; - } - - gvdbg("Received msgid=%d nbytes=%d\n", msg.msgId, nbytes); - DEBUGASSERT(nbytes = sizeof(struct SStartWindowMessage) && msg.instance); - - // Dispatch the message to the appropriate CWidgetControl and to the - // appropriate CWidgetControl method - - switch (msg.msgId) - { - break; - - case MSGID_MOUSE_INPUT: // New mouse input is available - case MSGID_KEYBOARD_INPUT: // New keyboard input is available - { - // Handle all new window input events by calling the CWidgetControl::pollEvents() method - - NXWidgets::CWidgetControl *control = (NXWidgets::CWidgetControl *)msg.instance; - control->pollEvents(); - } - break; - - case MSGID_DESTROY_APP: // Destroy the application - { - // Handle all destroy application events - - gdbg("Deleting app=%p\n", msg.instance); - IApplication *app = (IApplication *)msg.instance; - delete app; - } - break; - - case MSGID_POSITIONAL_CHANGE: // Change in window positional data (not used) - case MSGID_REDRAW_REQUEST: // Request to redraw a portion of the window (not used) - default: - gdbg("ERROR: Unrecognized or unsupported msgId: %d\n", (int)msg.msgId); - break; - } - } -} - |