gkrellm.h

系统任务管理器

/* GKrellM
|  Copyright (C) 1999-2006 Bill Wilson
|
|  Author:  Bill Wilson    [e-mail]
|  Latest versions might be found at:  http://gkrellm.net
|
|  This program is free software which I release under the GNU General Public
|  License. You may redistribute and/or modify this program under the terms
|  of that license as published by the Free Software Foundation; either
|  version 2 of the License, or (at your option) any later version.
|
|  This program is distributed in the hope that it will be useful,
|  but WITHOUT ANY WARRANTY; without even the implied warranty of
|  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
|  GNU General Public License for more details.  Version 2 is in the
|  COPYRIGHT file in the top level directory of this distribution.
| 
|  To get a copy of the GNU General Puplic License, write to the Free Software
|  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#if defined(HAVE_CONFIG_H)
#include "config.h"
#endif  

#if !defined(WIN32)
#include <sys/param.h>
#endif

#include <gtk/gtk.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <fcntl.h>
#include <time.h>

#if !defined(WIN32)
#include <unistd.h>
#else
#include "win32.h"
#endif

#include <sys/stat.h>

#include <locale.h>

#if defined(__sun) && defined(__SVR4)
#define __solaris__
#endif

#if !defined(__FreeBSD__) && !defined(__linux__) && !defined(__NetBSD__) \
	&& !defined(__OpenBSD__) && !defined(__solaris__) && !defined(WIN32) \
	&& !defined(__APPLE__)
#define  USE_LIBGTOP
#endif


#if !defined(PACKAGE)
#define PACKAGE	"gkrellm"
#endif

/* Internationalization support.
*/
#if defined (ENABLE_NLS)
#include <libintl.h>
#	undef _
#	define _(String) dgettext(PACKAGE,String)
#	if defined(gettext_noop)
#		define N_(String) gettext_noop(String)
#	else
#		define N_(String) (String)
#	endif	/* gettext_noop */
#else
#	define _(String) (String)
#	define N_(String) (String)
#	define textdomain(String) (String)
#	define gettext(String) (String)
#	define dgettext(Domain,String) (String)
#	define dcgettext(Domain,String,Type) (String)
#	define bindtextdomain(Domain,Directory) (Domain) 
#endif	/* ENABLE_NLS */




/* -------------------------------------------------------------------
*/
#define	GKRELLM_VERSION_MAJOR	2
#define	GKRELLM_VERSION_MINOR	2
#define	GKRELLM_VERSION_REV		9
#define	GKRELLM_EXTRAVERSION	""

#define GKRELLM_CHECK_VERSION(major,minor,rev)    \
	(GKRELLM_VERSION_MAJOR > (major) || \
	(GKRELLM_VERSION_MAJOR == (major) && GKRELLM_VERSION_MINOR > (minor)) || \
	(GKRELLM_VERSION_MAJOR == (major) && GKRELLM_VERSION_MINOR == (minor) && \
	GKRELLM_VERSION_REV >= (rev)))

#define	GKRELLM_DIR				".gkrellm2"
#define	GKRELLM_USER_CONFIG		".gkrellm2/user-config"
#define	GKRELLM_2_1_14_CONFIG	".gkrellm2/user_config"
#define	GKRELLM_THEME_CONFIG	".gkrellm2/theme_config"
#define GKRELLM_THEMES_DIR		".gkrellm2/themes"
#define	GKRELLM_DATA_DIR		".gkrellm2/data"
#define	GKRELLM_PLUGINS_DIR		".gkrellm2/plugins"
#define	GKRELLM_LOCK_FILE		".gkrellm2/lock"
#define GKRELLMRC				"gkrellmrc"

#define	PLUGIN_ENABLE_FILE		".gkrellm2/plugin_enable"
#define	PLUGIN_PLACEMENT_FILE	".gkrellm2/plugin_placement"


#if !defined(WIN32)

#define	LOCAL_THEMES_DIR		"/usr/local/share/gkrellm2/themes"
#if !defined(SYSTEM_THEMES_DIR)
#define	SYSTEM_THEMES_DIR		"/usr/share/gkrellm2/themes"
#endif
#define	LOCAL_PLUGINS_DIR		"/usr/local/lib/gkrellm2/plugins"
#if !defined(SYSTEM_PLUGINS_DIR)
#define	SYSTEM_PLUGINS_DIR		"/usr/lib/gkrellm2/plugins"
#endif

#else

#define     LOCAL_THEMES_DIR		"./themes"
#if !defined(SYSTEM_THEMES_DIR)
#define     SYSTEM_THEMES_DIR		"./themes"
#endif
#define     LOCAL_PLUGINS_DIR		"./plugins"
#if !defined(SYSTEM_PLUGINS_DIR)
#define     SYSTEM_PLUGINS_DIR		"./plugins"
#endif

#endif


#define	ON				1
#define	OFF				0

#define	CFG_BUFSIZE		384


  /* Features
  */
#define	GKRELLM_HAVE_THEME_SCALE			1
#define	GKRELLM_HAVE_DECAL_TEXT_INSERT		1
#define	GKRELLM_HAVE_CLIENT_MODE_PLUGINS 	1
#define	GKRELLM_USING_PANGO					1
#define	GKRELLM_HAVE_DECAL_SCROLL_TEXT		1


  /* Label midpoints are positioned as a percent of chart_width.
  */
#define	GKRELLM_LABEL_NONE		-1
#define	GKRELLM_LABEL_CENTER	50
#define GKRELLM_LABEL_MAX		100

#define	GRID_MODE_NORMAL		0
#define	GRID_MODE_RESTRAINED	1


  /* GkrellmDecals in the decal_misc_piximage.
  */
#define	D_MISC_BLANK			0
#define	D_MISC_AC				1
#define	D_MISC_BATTERY			2
#define	D_MISC_BATTERY_WARN		3
#define	D_MISC_LED0				4
#define	D_MISC_LED1				5
#define	D_MISC_FS_UMOUNTED		6
#define	D_MISC_FS_MOUNTED		7
#define D_MISC_FS_PRESSED		8
#define D_MISC_BUTTON_OUT		9
#define D_MISC_BUTTON_ON		10
#define D_MISC_BUTTON_IN		11
#define	N_MISC_DECALS			12


  /* For formatting sizes in decimal or binary abbreviated notation.
  */
#define	KB_SIZE(s)	((s) * 1e3)
#define	KiB_SIZE(s)	((s) * 1024.0)
#define	MB_SIZE(s)	((s) * 1e6)
#define	MiB_SIZE(s)	((s) * 1024.0 * 1024.0)
#define	GB_SIZE(s)	((s) * 1e9)
#define	GiB_SIZE(s)	((s) * 1024.0 * 1024.0 * 1024.0)
#define	TB_SIZE(s)	((s) * 1e12)
#define	TiB_SIZE(s)	((s) * 1024.0 * 1024.0 * 1024.0 * 1024.0)

typedef struct
	{
	gfloat	limit,
			divisor;
	gchar	*format;
	}
	GkrellmSizeAbbrev;


  /* Sensor types so CPU and Proc monitors  can get info from the Sensors
  |  module.  The sensor module readings for temperature and fan are
  |  reported on CPU and Proc panels.
  */
#define SENSOR_TEMPERATURE  0
#define SENSOR_FAN          1
#define SENSOR_VOLTAGE      2

#define	SENSOR_GROUP_MAINBOARD	0
#define	SENSOR_GROUP_DISK		1


#define	FULL_SCALE_GRIDS		5


typedef struct
	{
	PangoFontDescription *font;
	PangoFontDescription **font_seed;
	gpointer	privat;
	gint		effect;
	gint		internal;
	gint		flags;
	GdkColor	color;
	GdkColor	shadow_color;
	}
	GkrellmTextstyle;

typedef struct
	{
	gchar				*text;
	gint				x_off,
						y_off;
	gint				x_off_prev;		/* Kludge to check if d->x_off was */
										/* modified directly.		*/
	gpointer			privat;
	GkrellmTextstyle	text_style;
	}
	GkrellmText;

  /* Values for GkrellmDecal flags
  */
#define DF_TOP_LAYER			0x1
#define	DF_MOVED				0x2
#define DF_LOCAL_PIXMAPS		0x4
#define	DF_OVERLAY_PIXMAPS		0x8
#define	DF_TEXT_OVERLAPS		0x10
#define	DF_SCROLL_TEXT_DIVERTED	0x20
#define	DF_SCROLL_TEXT_CENTER	0x40
#define	DF_SCROLL_TEXT_H_LOOP	0x80
#define	DF_SCROLL_TEXT_V_LOOP	0x100
#define	DF_TEXT_USE_MARKUP		0x200

  /* Values for GkrellmDecal state
  */
#define	DS_INVISIBLE	0
#define	DS_VISIBLE		1

  /* A decal is a pixmap or a part of a pixmap drawn on a panel.  The
  |  pixmap can be a graphic, a vertical stack of graphics, or a drawn
  |  text string
  */
typedef struct
	{
	GdkPixmap	*pixmap;
	GdkBitmap	*mask;
	GdkBitmap	*stencil;
	gint		y_src;		/* Offset into pixmap if a vertical stack	*/
	gint		w, h;		/* Size of the decal						*/
	gint		x, y;		/* Position of decal in a drawable			*/	
	gshort		flags,
				state;
	gint		value;		/* Index into stack, text value, etc	*/
	gboolean	modified;
	gint		x_off,
				y_ink;			/* Pixels from top of Pango glyph to 1st ink*/
	gint		x_old, y_old;	/* Used if decal was moved */
	GkrellmTextstyle text_style;	/* Used if decal is a drawn text string	*/
	gpointer	panel;
	GList		*text_list;
	gchar		*scroll_text;
	gint		scroll_width,
				scroll_height,
				y_off;

	guint		chart_sequence_id;	/* For drawing text decal on a chart */
	GdkRectangle ink;
	}
	GkrellmDecal;

  /* Get the first decal in a panel decal list.  Use if only one decal in list.
  */
#define	DECAL(p)	((GkrellmDecal *)(((p)->decal_list)->data))



typedef struct
	{
	gchar		*string;
	gpointer	privat;
	gint		old1,		/* olds are leftovers from GdkFont->Pango */
				old2,
				width,
				height,
				old3;
	gint		position;		/* 0 - 100 %	*/
	gint		x_panel,		/* x position of label start in panel */
				y_panel,
				h_panel;
	}
	GkrellmLabel;


typedef struct
	{
	gint		x_src;
	gint		y_src;
	gint		x_dst;
	gint		y_dst;
	gint		w;
	gint		h;
	}
	GkrellmDrawrec;


typedef struct
	{
	gint		left,
				right,
				top,
				bottom;
	}
	GkrellmMargin;

typedef struct
	{
	gint		left,
				right,
				top,
				bottom;
	}
	GkrellmBorder;


typedef struct
	{
	GdkPixbuf	*pixbuf;
	GkrellmBorder border;
	}
	GkrellmPiximage;


  /* Bit flags for setting styles in config.c.  Also used as override flags.
  */
#define	GKRELLMSTYLE_KRELL_YOFF			0x1
#define	GKRELLMSTYLE_KRELL_LEFT_MARGIN	0x2
#define	GKRELLMSTYLE_KRELL_RIGHT_MARGIN	0x4
#define	GKRELLMSTYLE_KRELL_EXPAND		0x8
#define	GKRELLMSTYLE_KRELL_X_HOT		0x10
#define	GKRELLMSTYLE_KRELL_DEPTH		0x20
#define	GKRELLMSTYLE_KRELL_EMA_PERIOD	0x40
#define	GKRELLMSTYLE_LABEL_POSITION		0x80
#define	GKRELLMSTYLE_LEFT_MARGIN		0x100
#define	GKRELLMSTYLE_RIGHT_MARGIN		0x200
#define	GKRELLMSTYLE_TOP_MARGIN			0x400
#define	GKRELLMSTYLE_BOTTOM_MARGIN		0x800
#define	GKRELLMSTYLE_TEXTCOLOR_A		0x1000
#define	GKRELLMSTYLE_TEXTCOLOR_B		0x2000
#define	GKRELLMSTYLE_TEXTFONT_A			0x4000
#define	GKRELLMSTYLE_TEXTFONT_B			0x8000
#define	GKRELLMSTYLE_BORDER				0x10000
#define	GKRELLMSTYLE_TRANSPARENCY		0x20000
#define	GKRELLMSTYLE_KRELL_YOFF_NOT_SCALABLE 0x40000
#define	GKRELLMSTYLE_SCROLL_TEXT_CACHE_OFF	 0x80000
#define	GKRELLMSTYLE_LABEL_YOFF			0x100000


  /* Some of these style entries do not apply to all monitors.
  */
typedef struct
	{
	gint		override;		/* Flag which entries have override status */
	gint		ref_count;

	gint		krell_yoff,
				krell_expand,
				krell_x_hot,
				krell_ema_period,
				krell_depth;
	gint		krell_left_margin,
				krell_right_margin;
	gboolean	krell_yoff_not_scalable;
	gint		label_yoff;
	gint		label_position;
	gboolean	scroll_text_cache_off;
	gint		spare0;

	gboolean	transparency;
	gint		themed;			/* Non zero if theme has custom assignments */

	GkrellmBorder border;			/* Border for background panel image */
	GkrellmMargin margin;
	GkrellmTextstyle label_tsA;
	GkrellmTextstyle label_tsB;
	}
	GkrellmStyle;



  /* The GkrellmPanel of each GkrellmChart or Meter can have a moving indicator
  |  representing a current sampled data value as a fraction of some full
  |  scale value.  Since there can be quite a few of them dancing around on
  |  a maxed out GKrellM display, I call them Krells - inspired by the
  |  wall full of power monitoring meters the Krell had in Forbidden Planet.
  */
  /* Krell.expand values */
#define	KRELL_EXPAND_NONE				0
#define	KRELL_EXPAND_LEFT				1
#define	KRELL_EXPAND_RIGHT				2
#define	KRELL_EXPAND_BAR_MODE			3
#define KRELL_EXPAND_LEFT_SCALED		4
#define KRELL_EXPAND_RIGHT_SCALED		5
#define	KRELL_EXPAND_BAR_MODE_SCALED	6

  /* Krell flags */
#define	KRELL_FLAG_BOTTOM_MARGIN	1

typedef struct
	{
	GdkPixmap	*pixmap;
	GdkBitmap	*mask;
	gint		w, h;	/* Of the full Krell - all the frames included */
	gint		depth;	/* How many vertical frames in the krell image */
	gint		flags;

	GdkBitmap	*stencil;
	gint		spare0;
	gint		reading;
	gint		last_reading;
	gint		full_scale;
	gulong		previous;
	gulong		value;

	gint		modified;	/* True if krell has moved.			*/

	gint		x_hot;		/* Offset in Krell pixmap to hot spot */
	gint		x_position;	/* Current position of x_hot in Panel */

	gint		x0,		/* Offset in Panel to start of Krell scale range */
				y0;
	gint		w_scale;	/* Width of active range, function of margins */
	gint		h_frame;	/* Height of one frame */

	gint		ema;		/* exponential moving average */
	gint		period;		/* of ema */
	gint		full_scale_expand;
	gboolean	monotonic;
	gint		bar_mode;

	gpointer	panel;
	GkrellmDrawrec	old_draw;	/* Last draw for restoring background.	*/
	GkrellmDrawrec	draw;		/* Parameters to currently drawn krell	*/
	}
	GkrellmKrell;

  /* Get the first krell in a panel krell list.  Use if only one krell in list.
  */
#define	KRELL(p)	((GkrellmKrell *)(((p)->krell_list)->data))

typedef struct
	{
	GtkWidget	*hbox;			/* Container box this area is packed into */
	GdkPixmap	*bg_text_layer_pixmap;  /* A bg_pixmap with text decals */
	GtkWidget	*drawing_area;
	GdkPixmap	*pixmap;		/* Expose pixmap */
	GdkBitmap	*bg_mask;
	GdkPixmap	*bg_pixmap;		/* Bg of panel, may be dirtied with label */
	GdkPixmap	*bg_clean_pixmap;	/* A no label bg_pixmap				*/
	GkrellmPiximage *bg_piximage;

	GkrellmLabel *label;
	GkrellmTextstyle *textstyle;
	GkrellmStyle *style;
	gpointer	monitor;
	gpointer	privat;
	GList		*decal_list;
	GList		*krell_list;
	GList		*button_list;
	gint		x, y, w, h;
	gint		h_configure;

	PangoLayout	*layout;

	gint		transparency;
	gboolean	modified;		/* True if decal/krell modified.	*/
	gboolean	keep_lists;
	gboolean	shown;
	gboolean	need_decal_overlap_check;
	gboolean	label_on_top_of_decals;
	gboolean	scroll_text_cache_off;
	gboolean	bg_piximage_override;
	gboolean	button_signals_connected;
	gint		id_press,		/* Signals if buttons in this panel	*/
				id_release,
				id_enter,
				id_leave;
	gint		y_mapped;
	}
	GkrellmPanel;


typedef struct
	{
	void		(*func)();
	gpointer	data;
	}
	GkrellmCallback;


#define CHART_WIDTH_MAX	1000
#define CHART_WIDTH_MIN	25

  /* Each chart must have a GkrellmChartconfig struct associated with it.
  */
#define	GKRELLM_CHARTCONFIG_KEYWORD	"chart_config"

  /* Values for GkrellmChartconfig flags */
#define	NO_CONFIG_AUTO_GRID_RESOLUTION	1
#define	NO_CONFIG_FIXED_GRIDS			2

typedef struct
	{
	gint		flags;