Add a date and datetime meter (#159)

Add a date meter and sort header and source files in Makefile

Change the lists of header and source files sorted alphabetical and one
file per line. This way diffs become better readable and merges easier.

CRT.c

@@ -122,6 +122,8 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
       [LOAD] = A_BOLD,
       [HELP_BOLD] = A_BOLD | ColorPair(Cyan,Black),
       [CLOCK] = A_BOLD,
+      [DATE] = A_BOLD,
+      [DATETIME] = A_BOLD,
       [CHECK_BOX] = ColorPair(Cyan,Black),
       [CHECK_MARK] = A_BOLD,
       [CHECK_TEXT] = A_NORMAL,
@@ -195,6 +197,8 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
       [LOAD] = A_BOLD,
       [HELP_BOLD] = A_BOLD,
       [CLOCK] = A_BOLD,
+      [DATE] = A_BOLD,
+      [DATETIME] = A_BOLD,
       [CHECK_BOX] = A_BOLD,
       [CHECK_MARK] = A_NORMAL,
       [CHECK_TEXT] = A_NORMAL,
@@ -268,6 +272,8 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
       [LOAD] = ColorPair(Black,White),
       [HELP_BOLD] = ColorPair(Blue,White),
       [CLOCK] = ColorPair(Black,White),
+      [DATE] = ColorPair(Black,White),
+      [DATETIME] = ColorPair(Black,White),
       [CHECK_BOX] = ColorPair(Blue,White),
       [CHECK_MARK] = ColorPair(Black,White),
       [CHECK_TEXT] = ColorPair(Black,White),
@@ -341,6 +347,8 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
       [LOAD] = ColorPair(Yellow,Black),
       [HELP_BOLD] = ColorPair(Blue,Black),
       [CLOCK] = ColorPair(Yellow,Black),
+      [DATE] = ColorPair(White,Black),
+      [DATETIME] = ColorPair(White,Black),
       [CHECK_BOX] = ColorPair(Blue,Black),
       [CHECK_MARK] = ColorPair(Blue,Black),
       [CHECK_TEXT] = ColorPair(Blue,Black),
@@ -414,6 +422,8 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
       [LOAD] = A_BOLD | ColorPair(White,Blue),
       [HELP_BOLD] = A_BOLD | ColorPair(Cyan,Blue),
       [CLOCK] = ColorPair(White,Blue),
+      [DATE] = ColorPair(White,Blue),
+      [DATETIME] = ColorPair(White,Blue),
       [CHECK_BOX] = ColorPair(Cyan,Blue),
       [CHECK_MARK] = A_BOLD | ColorPair(White,Blue),
       [CHECK_TEXT] = A_NORMAL | ColorPair(White,Blue),

CRT.h

@@ -85,6 +85,8 @@ typedef enum ColorElements_ {
    CHECK_MARK,
    CHECK_TEXT,
    CLOCK,
+   DATE,
+   DATETIME,
    HELP_BOLD,
    HOSTNAME,
    CPU_NICE,

DateMeter.c

@@ -0,0 +1,47 @@
+/*
+htop - DateMeter.c
+(C) 2004-2020 Hisham H. Muhammad, Michael Schönitzer
+Released under the GNU GPL, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "DateMeter.h"
+
+#include "CRT.h"
+
+#include <time.h>
+
+
+int DateMeter_attributes[] = {
+   DATE
+};
+
+static void DateMeter_updateValues(Meter* this, char* buffer, int size) {
+   time_t t = time(NULL);
+   struct tm result;
+   struct tm *lt = localtime_r(&t, &result);
+   this->values[0] = lt->tm_yday;
+   int year = lt->tm_year + 1900;
+   if (((year % 4 == 0) && (year % 100!= 0)) || (year%400 == 0)) {
+      this->total = 366;
+   }
+   else {
+      this->total = 365;
+   }
+   strftime(buffer, size, "%F", lt);
+}
+
+MeterClass DateMeter_class = {
+   .super = {
+      .extends = Class(Meter),
+      .delete = Meter_delete
+   },
+   .updateValues = DateMeter_updateValues,
+   .defaultMode = TEXT_METERMODE,
+   .maxItems = 1,
+   .total = 365,
+   .attributes = DateMeter_attributes,
+   .name = "Date",
+   .uiName = "Date",
+   .caption = "Date: ",
+};

DateMeter.h

@@ -0,0 +1,16 @@
+#ifndef HEADER_DateMeter
+#define HEADER_DateMeter
+/*
+htop - DateMeter.h
+(C) 2004-2011 Hisham H. Muhammad
+Released under the GNU GPL, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "Meter.h"
+
+extern int DateMeter_attributes[];
+
+extern MeterClass DateMeter_class;
+
+#endif

DateTimeMeter.c

@@ -0,0 +1,47 @@
+/*
+htop - DateTimeMeter.c
+(C) 2004-2020 Hisham H. Muhammad, Michael Schönitzer
+Released under the GNU GPL, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "DateTimeMeter.h"
+
+#include "CRT.h"
+
+#include <time.h>
+
+
+int DateTimeMeter_attributes[] = {
+   DATETIME
+};
+
+static void DateTimeMeter_updateValues(Meter* this, char* buffer, int size) {
+   time_t t = time(NULL);
+   struct tm result;
+   struct tm *lt = localtime_r(&t, &result);
+   int year = lt->tm_year + 1900;
+   if (((year % 4 == 0) && (year % 100!= 0)) || (year%400 == 0)) {
+      this->total = 366;
+   }
+   else {
+      this->total = 365;
+   }
+   this->values[0] = lt->tm_yday;
+   strftime(buffer, size, "%F %H:%M:%S", lt);
+}
+
+MeterClass DateTimeMeter_class = {
+   .super = {
+      .extends = Class(Meter),
+      .delete = Meter_delete
+   },
+   .updateValues = DateTimeMeter_updateValues,
+   .defaultMode = TEXT_METERMODE,
+   .maxItems = 1,
+   .total = 365,
+   .attributes = DateTimeMeter_attributes,
+   .name = "DateTime",
+   .uiName = "Date and Time",
+   .caption = "Date & Time: ",
+};

DateTimeMeter.h

@@ -0,0 +1,16 @@
+#ifndef HEADER_DateTimeMeter
+#define HEADER_DateTimeMeter
+/*
+htop - DateTimeMeter.h
+(C) 2004-2011 Hisham H. Muhammad
+Released under the GNU GPL, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "Meter.h"
+
+extern int DateTimeMeter_attributes[];
+
+extern MeterClass DateTimeMeter_class;
+
+#endif

Makefile.am

@@ -13,25 +13,107 @@ pixmap_DATA = htop.png
 AM_CFLAGS += -pedantic -std=c99 -D_XOPEN_SOURCE_EXTENDED -DSYSCONFDIR=\"$(sysconfdir)\" -I"$(top_srcdir)/$(my_htop_platform)"
 AM_LDFLAGS =
 
-myhtopsources = AvailableMetersPanel.c CategoriesPanel.c CheckItem.c \
+myhtopsources = \
-ClockMeter.c ColorsPanel.c ColumnsPanel.c CPUMeter.c CRT.c DiskIOMeter.c DiskIOMeter.h \
+	Action.c \
-MainPanel.c DisplayOptionsPanel.c FunctionBar.c Hashtable.c Header.c htop.c ListItem.c \
+	Affinity.c \
-LoadAverageMeter.c MemoryMeter.c Meter.c MetersPanel.c Object.c Panel.c \
+	AffinityPanel.c \
-BatteryMeter.c Process.c ProcessList.c RichString.c ScreenManager.c Settings.c \
+	AvailableColumnsPanel.c \
-SignalsPanel.c StringUtils.c SwapMeter.c TasksMeter.c UptimeMeter.c \
+	AvailableMetersPanel.c \
-TraceScreen.c UsersTable.c Vector.c AvailableColumnsPanel.c AffinityPanel.c \
+	BatteryMeter.c \
-HostnameMeter.c OpenFilesScreen.c Affinity.c IncSet.c Action.c EnvScreen.c \
+	CategoriesPanel.c \
-InfoScreen.c CommandScreen.c XAlloc.c
+	CheckItem.c \
+	ClockMeter.c \
+	ColorsPanel.c \
+	ColumnsPanel.c \
+	CommandScreen.c \
+	CPUMeter.c \
+	CRT.c \
+	DateMeter.c \
+	DateTimeMeter.c \
+	DiskIOMeter.c \
+	DiskIOMeter.h \
+	DisplayOptionsPanel.c \
+	EnvScreen.c \
+	FunctionBar.c \
+	Hashtable.c \
+	Header.c \
+	HostnameMeter.c \
+	htop.c \
+	IncSet.c \
+	InfoScreen.c \
+	ListItem.c \
+	LoadAverageMeter.c \
+	MainPanel.c \
+	MemoryMeter.c \
+	Meter.c \
+	MetersPanel.c \
+	Object.c \
+	OpenFilesScreen.c \
+	Panel.c \
+	Process.c \
+	ProcessList.c \
+	RichString.c \
+	ScreenManager.c \
+	Settings.c \
+	SignalsPanel.c \
+	StringUtils.c \
+	SwapMeter.c \
+	TasksMeter.c \
+	TraceScreen.c \
+	UptimeMeter.c \
+	UsersTable.c \
+	Vector.c \
+	XAlloc.c
 
-myhtopheaders = AvailableColumnsPanel.h AvailableMetersPanel.h \
+myhtopheaders = \
-CategoriesPanel.h CheckItem.h ClockMeter.h ColorsPanel.h ColumnsPanel.h \
+	Action.h \
-CPUMeter.h CRT.h MainPanel.h DisplayOptionsPanel.h FunctionBar.h \
+	Affinity.h \
-Hashtable.h Header.h ListItem.h LoadAverageMeter.h MemoryMeter.h \
+	AffinityPanel.h \
-BatteryMeter.h Meter.h MetersPanel.h Object.h Panel.h ProcessList.h RichString.h \
+	AvailableColumnsPanel.h \
-ScreenManager.h Settings.h SignalsPanel.h StringUtils.h SwapMeter.h \
+	AvailableMetersPanel.h \
-TasksMeter.h UptimeMeter.h TraceScreen.h UsersTable.h Vector.h Process.h \
+	BatteryMeter.h \
-AffinityPanel.h HostnameMeter.h OpenFilesScreen.h Affinity.h IncSet.h Action.h \
+	CPUMeter.h \
-EnvScreen.h InfoScreen.h CommandScreen.h XAlloc.h Macros.h
+	CRT.h \
+	CategoriesPanel.h \
+	CheckItem.h \
+	ClockMeter.h \
+	ColorsPanel.h \
+	ColumnsPanel.h \
+	CommandScreen.h \
+	DateMeter.h \
+	DateTimeMeter.h \
+	DisplayOptionsPanel.h \
+	EnvScreen.h \
+	FunctionBar.h \
+	Hashtable.h \
+	Header.h \
+	HostnameMeter.h \
+	IncSet.h \
+	InfoScreen.h \
+	ListItem.h \
+	LoadAverageMeter.h \
+	Macros.h \
+	MainPanel.h \
+	MemoryMeter.h \
+	Meter.h \
+	MetersPanel.h \
+	Object.h \
+	OpenFilesScreen.h \
+	Panel.h \
+	Process.h \
+	ProcessList.h \
+	RichString.h \
+	ScreenManager.h \
+	Settings.h \
+	SignalsPanel.h \
+	StringUtils.h \
+	SwapMeter.h \
+	TasksMeter.h \
+	TraceScreen.h \
+	UptimeMeter.h \
+	UsersTable.h \
+	Vector.h \
+	XAlloc.h
 
 # Linux
 # -----

darwin/Platform.c

@@ -13,6 +13,8 @@ in the source distribution for its full text.
 #include "TasksMeter.h"
 #include "LoadAverageMeter.h"
 #include "ClockMeter.h"
+#include "DateMeter.h"
+#include "DateTimeMeter.h"
 #include "HostnameMeter.h"
 #include "UptimeMeter.h"
 #include "zfs/ZfsArcMeter.h"
@@ -95,6 +97,8 @@ ProcessFieldData Process_fields[] = {
 MeterClass* Platform_meterTypes[] = {
    &CPUMeter_class,
    &ClockMeter_class,
+   &DateMeter_class,
+   &DateTimeMeter_class,
    &LoadAverageMeter_class,
    &LoadMeter_class,
    &MemoryMeter_class,

dragonflybsd/Platform.c

@@ -15,6 +15,8 @@ in the source distribution for its full text.
 #include "LoadAverageMeter.h"
 #include "UptimeMeter.h"
 #include "ClockMeter.h"
+#include "DateMeter.h"
+#include "DateTimeMeter.h"
 #include "HostnameMeter.h"
 #include "DragonFlyBSDProcess.h"
 #include "DragonFlyBSDProcessList.h"
@@ -78,6 +80,8 @@ void Platform_setBindings(Htop_Action* keys) {
 MeterClass* Platform_meterTypes[] = {
    &CPUMeter_class,
    &ClockMeter_class,
+   &DateMeter_class,
+   &DateTimeMeter_class,
    &LoadAverageMeter_class,
    &LoadMeter_class,
    &MemoryMeter_class,

freebsd/Platform.c

@@ -14,6 +14,8 @@ in the source distribution for its full text.
 #include "LoadAverageMeter.h"
 #include "UptimeMeter.h"
 #include "ClockMeter.h"
+#include "DateMeter.h"
+#include "DateTimeMeter.h"
 #include "HostnameMeter.h"
 #include "zfs/ZfsArcMeter.h"
 #include "zfs/ZfsCompressedArcMeter.h"
@@ -79,6 +81,8 @@ void Platform_setBindings(Htop_Action* keys) {
 MeterClass* Platform_meterTypes[] = {
    &CPUMeter_class,
    &ClockMeter_class,
+   &DateMeter_class,
+   &DateTimeMeter_class,
    &LoadAverageMeter_class,
    &LoadMeter_class,
    &MemoryMeter_class,

linux/Platform.c

@@ -22,6 +22,8 @@ in the source distribution for its full text.
 #include "UptimeMeter.h"
 #include "PressureStallMeter.h"
 #include "ClockMeter.h"
+#include "DateMeter.h"
+#include "DateTimeMeter.h"
 #include "HostnameMeter.h"
 #include "zfs/ZfsArcMeter.h"
 #include "zfs/ZfsCompressedArcMeter.h"
@@ -106,6 +108,8 @@ void Platform_setBindings(Htop_Action* keys) {
 MeterClass* Platform_meterTypes[] = {
    &CPUMeter_class,
    &ClockMeter_class,
+   &DateMeter_class,
+   &DateTimeMeter_class,
    &LoadAverageMeter_class,
    &LoadMeter_class,
    &MemoryMeter_class,

openbsd/Platform.c

@@ -15,6 +15,8 @@ in the source distribution for its full text.
 #include "LoadAverageMeter.h"
 #include "UptimeMeter.h"
 #include "ClockMeter.h"
+#include "DateMeter.h"
+#include "DateTimeMeter.h"
 #include "HostnameMeter.h"
 #include "SignalsPanel.h"
 #include "OpenBSDProcess.h"
@@ -91,6 +93,8 @@ void Platform_setBindings(Htop_Action* keys) {
 MeterClass* Platform_meterTypes[] = {
    &CPUMeter_class,
    &ClockMeter_class,
+   &DateMeter_class,
+   &DateTimeMeter_class,
    &LoadAverageMeter_class,
    &LoadMeter_class,
    &MemoryMeter_class,

solaris/Platform.c

@@ -15,6 +15,8 @@ in the source distribution for its full text.
 #include "TasksMeter.h"
 #include "LoadAverageMeter.h"
 #include "ClockMeter.h"
+#include "DateMeter.h"
+#include "DateTimeMeter.h"
 #include "HostnameMeter.h"
 #include "UptimeMeter.h"
 #include "zfs/ZfsArcMeter.h"
@@ -88,6 +90,8 @@ ProcessField Platform_defaultFields[] = { PID, LWPID, USER, PRIORITY, NICE, M_SI
 MeterClass* Platform_meterTypes[] = {
    &CPUMeter_class,
    &ClockMeter_class,
+   &DateMeter_class,
+   &DateTimeMeter_class,
    &LoadAverageMeter_class,
    &LoadMeter_class,
    &MemoryMeter_class,

unsupported/Platform.c

@@ -15,6 +15,8 @@ in the source distribution for its full text.
 #include "TasksMeter.h"
 #include "LoadAverageMeter.h"
 #include "ClockMeter.h"
+#include "DateMeter.h"
+#include "DateTimeMeter.h"
 #include "HostnameMeter.h"
 #include "UptimeMeter.h"
 
@@ -59,6 +61,8 @@ ProcessFieldData Process_fields[] = {
 MeterClass* Platform_meterTypes[] = {
    &CPUMeter_class,
    &ClockMeter_class,
+   &DateMeter_class,
+   &DateTimeMeter_class,
    &LoadAverageMeter_class,
    &LoadMeter_class,
    &MemoryMeter_class,