update

README.md

@@ -460,7 +460,7 @@ for examples:
 
 ## HISTORY
 
-21 years have pasted since MiniGUI was initially created at
+27 years have pasted since MiniGUI was initially created at
 the end of 1998, and now it becomes much reliable and stable.
 During the past years, many remarkable changes have taken place in
 the MiniGUI project.
@@ -566,13 +566,14 @@ A brief history description of the development progress is listed as follow:
 1. Jan., 2022:     FMSoft released MiniGUI version 5.0.9.
 1. Sep., 2022:     FMSoft released MiniGUI version 5.0.10.
 1. Aug., 2023:     FMSoft released MiniGUI version 5.0.13.
+1. May., 2025:     FMSoft released MiniGUI version 5.0.15.
 
 ## AUTHORS AND COPYING
 
 The original author of MiniGUI is Vincent Wei, and now MiniGUI is maintained by FMSoft.
 For more information, please refer to <http://www.fmsoft.cn>.
 
-Copyright (C) 2002 ~ 2023, Beijing FMSoft Technologies Co., Ltd.  
+Copyright (C) 2002 ~ 2025, Beijing FMSoft Technologies Co., Ltd.  
 Copyright (C) 1998 ~ 2002, Vincent Wei
 
 This program is free software: you can redistribute it and/or modify

RELEASE-NOTES.md

@@ -1,7 +1,7 @@
 # Release Notes
 
-- [Version 5.2.0](#version-520)
+- [Version 5.0.15](#version-5015)
-   + [What's new in version 5.2.0](#whats-new-in-version-520)
+   + [What's new in version 5.0.15](#whats-new-in-version-5015)
 - [Version 5.0.13](#version-5013)
    + [What's new in version 5.0.13](#whats-new-in-version-5013)
 - [Version 5.0.12](#version-5012)
@@ -34,10 +34,11 @@
    + [Changes leading to incompatibility](#changes-leading-to-incompatibility)
    + [Deprecated APIs](#deprecated-apis)
 
-## Version 5.2.0
+## Version 5.0.15
 
-On Nov. 30, 2023, FMSoft announces the availability of MiniGUI 5.2.0,
+On May 09, 2025, FMSoft announces the availability of MiniGUI 5.0.15,
-which is an mainline release with some major enhancements:
+which is an enhancement release with some minor enhancements
+of MiniGUI 5.0.x.
 
 * ENHANCEMENTS:
    - Optimize NEWGAL engines: `shadow`, `drm`, and `fbcon` for large resolution.

Version.md

@@ -1,6 +1,6 @@
-Version 5.2.0 (2023/09/30)
+Version 5.0.15 (2025/05/09)
 
-This is a minor enhancement and bugfix release of MiniGUI 5.2.x, the stable version.
+This is a minor enhancement and bugfix release of MiniGUI 5.0.x, the stable version.
 
 Other packages for MiniGUI resource, tools, components, and samples:
 

configure.ac

@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.60)
-AC_INIT(libminigui, 5.2.0)
+AC_INIT(libminigui, 5.0.15)
 AC_CONFIG_SRCDIR(src/main/main.c)
 
 dnl Set various version strings - taken gratefully from the SDL sources
@@ -15,8 +15,8 @@ dnl Set various version strings - taken gratefully from the SDL sources
 # set MINIGUI_BINARY_AGE and MINIGUI_INTERFACE_AGE to 0.
 #
 MINIGUI_MAJOR_VERSION=5
-MINIGUI_MINOR_VERSION=2
+MINIGUI_MINOR_VERSION=0
-MINIGUI_MICRO_VERSION=0
+MINIGUI_MICRO_VERSION=15
 MINIGUI_INTERFACE_AGE=0
 MINIGUI_BINARY_AGE=0
 MINIGUI_VERSION=$MINIGUI_MAJOR_VERSION.$MINIGUI_MINOR_VERSION.$MINIGUI_MICRO_VERSION

src/include/internals.h

@@ -258,7 +258,7 @@ struct _MSGQUEUE
     int loop_depth;             // message loop depth, for dialog boxes
 
     int idle_counter;           // the idle connter for MSG_IDLE
-    DWORD last_ticks_desktop;   // the last tick count for desktop timer
+    DWORD last_ticks;           // the last tick count saved; since 5.0.14
 
     /* Since 5.0.0, MiniGUI provides support for timers per message thread */
     int nr_timers;              // the number of active timers
@@ -911,40 +911,9 @@ static inline MSGQUEUE* getMsgQueueIfMainWindowInThisThread (PMAINWIN pMainWin)
 
 #endif  /* defined _MGHAVE_VIRTUAL_WINDOW */
 
-#if 0   /* deprecated code */
+/* Since 5.0.14, remove arg use_sys_timer */
-/* since 5.0.0, we always use QS_DESKTIMER for desktop timer */
+BOOL mg_InitTimer (void);
-/* since 5.0.0, we no longer use the timer thread */
+void mg_TerminateTimer (void);
-static inline void AlertDesktopTimerEvent (void)
-{
-    if (__mg_dsk_msg_queue) {
-        __mg_dsk_msg_queue->expired_timer_mask = 1;
-        POST_MSGQ (__mg_dsk_msg_queue);
-    }
-}
-
-static inline void AlertDesktopTimerEvent (void)
-{
-    __mg_dsk_msg_queue->dwState |= QS_DESKTIMER;
-#ifdef _MGHAVE_VIRTUAL_WINDOW
-    if (getMsgQueueForThisThread() != __mg_dsk_msg_queue)
-        POST_MSGQ (__mg_dsk_msg_queue);
-#endif  /* defined _MGHAVE_VIRTUAL_WINDOW */
-}
-
-static inline void setMsgQueueTimerFlag (PMSGQUEUE pMsgQueue, int slot)
-{
-    pMsgQueue->expired_timer_mask |= (0x01UL << slot);
-    POST_MSGQ (pMsgQueue);
-}
-
-static inline void removeMsgQueueTimerFlag (PMSGQUEUE pMsgQueue, int slot)
-{
-    pMsgQueue->expired_timer_mask &= ~(0x01UL << slot);
-}
-#endif /* deprecated code */
-
-BOOL mg_InitTimer (BOOL use_sys_timer);
-void mg_TerminateTimer (BOOL use_sys_timer);
 
 /*window element renderer manager interface*/
 extern WINDOW_ELEMENT_RENDERER * __mg_def_renderer;

src/include/timer.h

@@ -74,7 +74,7 @@ typedef struct _MSGQUEUE MSGQUEUE;
 extern "C" {
 #endif  /* __cplusplus */
 
-void __mg_update_tick_count (void* data);
+DWORD __mg_update_tick_count (MSGQUEUE* msg_queue);
 int  __mg_check_expired_timers (MSGQUEUE* msg_queue, DWORD inter);
 void __mg_remove_timers_by_msg_queue (MSGQUEUE* msg_queue);
 void __mg_remove_timer (MSGQUEUE* msg_queue, int slot);

src/kernel/desktop-ths.c

@@ -55,6 +55,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
+#include <time.h>
 
 #include "common.h"
 
@@ -141,12 +142,31 @@ BOOL mg_InitDesktop (void)
 
 #include "debug.h"
 
-static IDLEHANDLER std_idle_handler;
+/* According to a bug report, we use sem_timedwait() instead of
-
+   calling std_idle_handler for desktop thread.
+   Otherwise, the desktop might not handle the request from other GUI threads
+   as soon as possible. */
 static BOOL idle_handler_for_desktop_thread (MSGQUEUE *msg_queue, BOOL wait)
 {
-    __mg_update_tick_count (NULL);
+    int retv, n = 0;
-    return std_idle_handler (msg_queue, wait);
+
+    __mg_update_tick_count (msg_queue);
+
+    if (wait) {
+        struct timespec ts;
+        if (clock_gettime (CLOCK_REALTIME, &ts) != -1) {
+            ts.tv_nsec += 10 * 1000 * 1000L; // 10ms
+            if (ts.tv_nsec >= 1000 * 1000 * 1000L) {
+                ts.tv_sec += 1;
+                ts.tv_nsec -= 1000 * 1000 * 1000L;
+            }
+
+            if (sem_timedwait (&msg_queue->wait, &ts) == 0)
+                return TRUE;
+        }
+    }
+
+    return n > 0;
 }
 
 void* __kernel_desktop_main (void* data)
@@ -162,7 +182,6 @@ void* __kernel_desktop_main (void* data)
 
     /* For bug reported in Issue #116, under threads mode, the idle handler
        for the desktop thread should call __mg_update_tick_count () */
-    std_idle_handler = __mg_dsk_msg_queue->OnIdle;
     __mg_dsk_msg_queue->OnIdle = idle_handler_for_desktop_thread;
 
     /* init desktop window */

src/kernel/init.c

@@ -562,6 +562,13 @@ int GUIAPI InitGUI (int args, const char *agr[])
 
     _is_minigui_running = 1;
 
+    /* init timer for tick counter */
+    step++;
+    if (!mg_InitTimer()) {
+        _ERR_PRINTF ("KERNEL>InitGUI: failed to start time counter\n");
+        goto failure;
+    }
+
     step++;
     if (!SystemThreads()) {
         _ERR_PRINTF ("KERNEL>InitGUI: failed to init system threads!\n");
@@ -575,13 +582,6 @@ int GUIAPI InitGUI (int args, const char *agr[])
         goto failure;
     }
 
-    /* init timer for tick counter */
-    step++;
-    if (!mg_InitTimer (FALSE)) {
-        _ERR_PRINTF ("KERNEL>InitGUI: failed to start time counter\n");
-        goto failure;
-    }
-
     SetKeyboardLayout ("default");
 
     SetCursor (GetSystemCursor (IDC_ARROW));
@@ -602,7 +602,7 @@ failure1:
 
 void GUIAPI TerminateGUI (int not_used)
 {
-    mg_TerminateTimer (FALSE);
+    mg_TerminateTimer ();
 
     mg_FreeMsgQueueForThisThread (TRUE);
 

src/misc/nposix.c

@@ -495,28 +495,6 @@ DWORD __mg_os_get_time_ticks (void)
     return (current - startup_time_win32) / 10;
 }
 
-#if 0   /* deprecated code */
-DWORD __mg_os_get_elapsed_ms (void)
-{
-    static DWORD last;
-    DWORD current = timeGetTime();
-    DWORD elapsed;
-
-    if (current >= last) {
-        elapsed = current - last;
-        return elapsed;
-    }
-    else {
-        /* overflowed */
-        elapsed = BITMASK_DWORD - last;
-        elapsed += current;
-    }
-
-    last = current;
-    return elapsed;
-}
-#endif  /* deprecated code */
-
 #elif defined (HAVE_CLOCK_GETTIME)
 
 static struct timespec timeval_startup;
@@ -573,68 +551,6 @@ DWORD __mg_os_get_time_ticks (void)
     return ds * 100 + dms;
 }
 
-#if 0   /* deprecated code */
-DWORD __mg_os_get_elapsed_ms (void)
-{
-    static struct timespec last;
-    DWORD ds, dms;
-    struct timespec current;
-
-    clock_gettime (CLOCK_MONOTONIC, &current);
-    ds = (current.tv_sec - last.tv_sec);
-
-    if (current.tv_sec == last.tv_sec) {
-        dms = (current.tv_nsec - last.tv_nsec) / 1000000L;
-    }
-    else if (current.tv_nsec >= last.tv_nsec) {
-        dms = (current.tv_nsec - last.tv_nsec) / 1000000L;
-    }
-    else {
-        assert (ds > 0);
-
-        ds--;
-        dms = 1000L - (last.tv_nsec - current.tv_nsec) / 1000000L;
-    }
-
-    last = current;
-    return ds * 1000 + dms;
-}
-
-#include <unistd.h>
-#include <poll.h>
-#include <sys/time.h>
-
-static struct timeval timeval_startup;
-void __mg_os_start_time(void)
-{
-    gettimeofday(&timeval_startup, NULL);
-}
-
-DWORD __mg_os_get_time_ms(void)
-{
-    DWORD ds, dms;
-    struct timeval current;
-
-    gettimeofday(&current, NULL);
-    ds = (current.tv_sec - timeval_startup.tv_sec);
-
-    if (current.tv_sec == timeval_startup.tv_sec) {
-        dms = (current.tv_usec - timeval_startup.tv_usec) / 1000L;
-    }
-    else if (current.tv_usec >= timeval_startup.tv_usec) {
-        dms = (current.tv_usec - timeval_startup.tv_usec) / 1000L;
-    }
-    else {
-        assert(ds > 0);
-
-        ds--;
-        dms = 1000L - (timeval_startup.tv_usec - current.tv_usec) / 1000L;
-    }
-
-    return ds * 1000 + dms;
-}
-#endif  /* deprecated code */
-
 #else   /* defined HAVE_CLOCK_GETTIME */
 
 #error "Please implement __mg_os_start_time and __mg_os_get_time_ticks for your OS"

src/server/server.c

@@ -84,20 +84,6 @@ extern DWORD __mg_tick_counter;
 
 ON_NEW_DEL_CLIENT OnNewDelClient = NULL;
 
-#if 0
-/* Since 5.0.0, use RegisterEventHookFunc to implement SetServerEventHook */
-static SRVEVTHOOK srv_evt_hook = NULL;
-
-SRVEVTHOOK GUIAPI SetServerEventHook (SRVEVTHOOK SrvEvtHook)
-{
-    SRVEVTHOOK old_hook = srv_evt_hook;
-
-    srv_evt_hook = SrvEvtHook;
-
-    return old_hook;
-}
-#endif /* deprecated code; moved to window.c */
-
 static void ParseEvent (PMSGQUEUE msg_que, int event)
 {
     LWEVENT lwe;
@@ -331,7 +317,7 @@ BOOL GUIAPI ServerStartup (int nr_globals,
     __mg_dsk_msg_queue->maxfd = listenfd;
     maxi = -1;
 
-    mg_InitTimer (TRUE);
+    mg_InitTimer ();
 
     __mg_start_server_desktop ();
 
@@ -363,7 +349,7 @@ void server_ServerCleanup (void)
    __mg_nssurf_map_delete ();
 #endif
 
-    mg_TerminateTimer (TRUE);
+    mg_TerminateTimer ();
 
     unlink (CS_PATH);
 }
@@ -381,14 +367,6 @@ BOOL server_IdleHandler4Server (PMSGQUEUE msg_queue, BOOL wait)
     EXTRA_INPUT_EVENT extra;    // Since 4.0.0; for extra input events
     int nevts = 0;              // Since 5.0.0; for timer and fd events
 
-#if 0   /* deprecated code */
-    /* since 5.0.0, use __mg_update_tick_count instead */
-    if (__mg_tick_counter != SHAREDRES_TIMER_COUNTER) {
-        __mg_tick_counter = SHAREDRES_TIMER_COUNTER;
-        AlertDesktopTimerEvent ();
-    }
-#endif  /* deprecated code */
-
     /* rset gets modified each time around */
     rset = __mg_dsk_msg_queue->rfdset;
     if (__mg_dsk_msg_queue->nr_wfds) {

src/standalone/standalone.c

@@ -190,14 +190,14 @@ static void ParseEvent (PMSGQUEUE msg_que, int event)
 BOOL GUIAPI salone_StandAloneStartup (void)
 {
     /* VW: do not use signal based interval timer; since 4.0 */
-    mg_InitTimer (FALSE);
+    mg_InitTimer ();
     return TRUE;
 }
 
 void salone_StandAloneCleanup (void)
 {
     /* VW: do not use signal based interval timer; since 4.0 */
-    mg_TerminateTimer (FALSE);
+    mg_TerminateTimer ();
 }
 
 BOOL salone_IdleHandler4StandAlone (PMSGQUEUE msg_queue, BOOL wait)