4 typedef struct _DrawContext DrawContext
;
5 typedef struct _DrawInfo DrawInfo
;
6 typedef struct _ItemInfo ItemInfo
;
8 typedef struct _DrawOperation DrawOperation
;
11 typedef struct _PropertiesText PropertiesText
;
12 typedef struct _PropertiesIcon PropertiesIcon
;
13 typedef struct _PropertiesLine PropertiesLine
;
14 typedef struct _PropertiesArc PropertiesArc
;
15 typedef struct _PropertiesBG PropertiesBG
;
17 typedef enum _DrawableItems DrawableItems
;
19 ITEM_TEXT
, ITEM_ICON
, ITEM_LINE
, ITEM_POINT
, ITEM_BACKGROUND
23 typedef enum _RelPos
{
28 void draw_item( GdkDrawable
*drawable
,
32 LttvTracefileState
*tfs
,
33 LttvIAttribute
*attributes
);
36 * The tree of attributes used to store drawing operations goes like this :
39 * "facility-event_type"
49 * So if, for example, we want to add a hook to get called each time we
50 * receive an event that is in state LTTV_STATE_SYSCALL, we put the
51 * pointer to the GArray of DrawOperation in
52 * process_states/ "name associated with LTTV_STATE_SYSCALL"
56 * The add_operation has to do a quick sort by priority to keep the operations
59 void add_operation( LttvIAttribute
*attributes
,
61 DrawOperation
*Operation
);
64 * The del_operation seeks the array present at pathname (if any) and
65 * removes the DrawOperation if present. It returns 0 on success, -1
68 gint
del_operation( LttvIAttribute
*attributes
,
70 DrawOperation
*Operation
);
73 * The clean_operations removes all operations present at a pathname.
74 * returns 0 on success, -1 if it fails.
76 gint
clean_operations( LttvIAttribute
*attributes
,
81 * The list_operations gives a pointer to the operation array associated
82 * with the pathname. It will be NULL if no operation is present.
84 void list_operations( LttvIAttribute
*attributes
,
91 * exec_operation executes the operations if present in the attributes, or
92 * do nothing if not present.
94 void exec_operations( LttvIAttribute
*attributes
,
99 * Functions to create Properties structures.
102 PropertiesText
*properties_text_create(
103 GdkColor
*foreground
,
104 GdkColor
*background
,
109 PropertiesIcon
*properties_icon_create(
115 PropertiesLine
*properties_line_create(
121 PropertiesArc
*properties_arc_create(
127 PropertiesBG
*properties_bg_create(
134 * Here follow the prototypes of the hook functions used to draw the
138 gboolean
draw_text( void *hook_data
, void *call_data
);
139 gboolean
draw_icon( void *hook_data
, void *call_data
);
140 gboolean
draw_line( void *hook_data
, void *call_data
);
141 gboolean
draw_arc( void *hook_data
, void *call_data
);
142 gboolean
draw_bg( void *hook_data
, void *call_data
);
145 #endif // _DRAW_ITEM_H