+++ /dev/null
-/* This file is part of the Linux Trace Toolkit viewer
- * Copyright (C) 2003-2004 Mathieu Desnoyers
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License Version 2 as
- * published by the Free Software Foundation;
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-
-#ifndef _DRAW_ITEM_H
-#define _DRAW_ITEM_H
-
-#include <lttv/state.h>
-
-typedef struct _DrawContext DrawContext;
-typedef struct _DrawInfo DrawInfo;
-typedef struct _ItemInfo ItemInfo;
-
-typedef struct _IconStruct IconStruct;
-
-typedef struct _DrawOperation DrawOperation;
-
-
-typedef struct _PropertiesText PropertiesText;
-typedef struct _PropertiesIcon PropertiesIcon;
-typedef struct _PropertiesLine PropertiesLine;
-typedef struct _PropertiesArc PropertiesArc;
-typedef struct _PropertiesBG PropertiesBG;
-
-typedef enum _DrawableItems DrawableItems;
-enum _DrawableItems {
- ITEM_TEXT, ITEM_ICON, ITEM_LINE, ITEM_POINT, ITEM_BACKGROUND
-};
-
-typedef enum _RelPosX {
- POS_START, POS_END
-} RelPosX;
-
-typedef enum _RelPosY {
- OVER, MIDDLE, UNDER
-} RelPosY;
-
-
-/* The DrawContext keeps information about the current drawing position and
- * the previous one, so we can use both to draw lines.
- *
- * over : position for drawing over the middle line.
- * middle : middle line position.
- * under : position for drawing under the middle line.
- *
- * the modify_* are used to take into account that we should go forward
- * when we draw a text, an arc or an icon, while it's unneeded when we
- * draw a line or background.
- *
- * The modify_* positions are altered by the draw item functions.
- *
- */
-
-
-struct _DrawContext {
- GdkDrawable *drawable;
- GdkGC *gc;
- PangoLayout *pango_layout;
-
- struct {
- struct {
- gint x;
- struct {
- gint over;
- gint middle;
- gint under;
- } offset;
- } start;
-
- struct {
- gint x;
- struct {
- gint over;
- gint middle;
- gint under;
- } offset;
- } end;
-
- struct {
- gint over;
- gint middle;
- gint under;
- } y;
-
- } drawinfo;
-};
-
-
-
-
-/*
- * Structure used to keep information about icons.
- */
-struct _IconStruct {
- GdkPixmap *pixmap;
- GdkBitmap *mask;
-};
-
-
-/*
- * The Item element is only used so the DrawOperation is modifiable by users.
- * During drawing, only the Hook is needed.
- */
-struct _DrawOperation {
- DrawableItems item;
- LttvHooks *hook;
-};
-#if 0
-/*
- * We define here each items that can be drawn, together with their
- * associated priority. Many item types can have the same priority,
- * it's only used for quicksorting the operations when we add a new one
- * to the array of operations to perform. Lower priorities are executed
- * first. So, for example, we may want to give background color a value
- * of 10 while a line would have 20, so the background color, which
- * is in fact a rectangle, does not hide the line.
- */
-
-static int Items_Priorities[] = {
- 50, /* ITEM_TEXT */
- 40, /* ITEM_ICON */
- 20, /* ITEM_LINE */
- 30, /* ITEM_POINT */
- 10 /* ITEM_BACKGROUND */
-};
-#endif //0
-
-/*
- * Here are the different structures describing each item type that can be
- * drawn. They contain the information necessary to draw the item : not the
- * position (this is provided by the DrawContext), but the text, icon name,
- * line width, color; all the properties of the specific items.
- */
-
-struct _PropertiesText {
- GdkColor *foreground;
- GdkColor *background;
- gint size;
- gchar *text;
- struct {
- RelPosX x;
- RelPosY y;
- } position;
-};
-
-
-struct _PropertiesIcon {
- gchar *icon_name;
- gint width;
- gint height;
- struct {
- RelPosX x;
- RelPosY y;
- } position;
-};
-
-struct _PropertiesLine {
- GdkColor color;
- gint line_width;
- GdkLineStyle style;
- RelPosY y;
-};
-
-struct _PropertiesArc {
- GdkColor *color;
- gint size; /* We force circle by width = height */
- gboolean filled;
- struct {
- RelPosX x;
- RelPosY y;
- } position;
-};
-
-struct _PropertiesBG {
- GdkColor *color;
-};
-
-
-
-void draw_item( GdkDrawable *drawable,
- gint x,
- gint y,
- LttvTraceState *ts,
- LttvTracefileState *tfs,
- LttvIAttribute *attributes);
-
-/*
- * The tree of attributes used to store drawing operations goes like this :
- *
- * event_types/
- * "facility-event_type"
- * cpus/
- * "cpu name"
- * mode_types/
- * "execution mode"/
- * submodes/
- * "submode"
- * process_states/
- * "state name"
- *
- * So if, for example, we want to add a hook to get called each time we
- * receive an event that is in state LTTV_STATE_SYSCALL, we put the
- * pointer to the GArray of DrawOperation in
- * process_states/ "name associated with LTTV_STATE_SYSCALL"
- */
-
-
-#if 0
-/*
- * The add_operation has to do a quick sort by priority to keep the operations
- * in the right order.
- */
-void add_operation( LttvIAttribute *attributes,
- gchar *pathname,
- DrawOperation *operation);
-
-/*
- * The del_operation seeks the array present at pathname (if any) and
- * removes the DrawOperation if present. It returns 0 on success, -1
- * if it fails.
- */
-gint del_operation( LttvIAttribute *attributes,
- gchar *pathname,
- DrawOperation *operation);
-
-/*
- * The clean_operations removes all operations present at a pathname.
- * returns 0 on success, -1 if it fails.
- */
-gint clean_operations( LttvIAttribute *attributes,
- gchar *pathname );
-
-
-/*
- * The list_operations gives a pointer to the operation array associated
- * with the pathname. It will be NULL if no operation is present.
- */
-void list_operations( LttvIAttribute *attributes,
- gchar *pathname,
- GArray **operation);
-
-
-
-/*
- * exec_operation executes the operations if present in the attributes, or
- * do nothing if not present.
- */
-void exec_operations( LttvIAttribute *attributes,
- gchar *pathname);
-#endif //0
-
-/*
- * Here follow the prototypes of the hook functions used to draw the
- * different items.
- */
-
-gboolean draw_text( void *hook_data, void *call_data);
-gboolean draw_icon( void *hook_data, void *call_data);
-gboolean draw_line( void *hook_data, void *call_data);
-gboolean draw_arc( void *hook_data, void *call_data);
-gboolean draw_bg( void *hook_data, void *call_data);
-
-
-#endif // _DRAW_ITEM_H
projects / lttv.git / blobdiff