typedef struct _DrawInfo DrawInfo;
typedef struct _ItemInfo ItemInfo;
+typedef struct _IconStruct IconStruct;
+
typedef struct _DrawOperation DrawOperation;
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 _RelPos {
+ OVER, MIDDLE, UNDER
+} RelPos;
+
+
+/* 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.
+ *
+ */
+
+
+struct _DrawContext {
+ GdkDrawable *drawable;
+ GdkGC *gc;
+ PangoLayout *pango_layout;
+
+ DrawInfo *Current;
+ DrawInfo *Previous;
+};
+
+/* LttvExecutionState is accessible through the LttvTracefileState. Is has
+ * a pointer to the LttvProcessState which points to the top of stack
+ * execution state : LttvExecutionState *state.
+ *
+ * LttvExecutionState contains (useful here):
+ * LttvExecutionMode t,
+ * LttvExecutionSubmode n,
+ * LttvProcessStatus s
+ *
+ *
+ * LttvTraceState will be used in the case we need the string of the
+ * different processes, eventtype_names, syscall_names, trap_names, irq_names.
+ *
+ * LttvTracefileState also gives the cpu_name and, as it herits from
+ * LttvTracefileContext, it gives the LttEvent structure, which is needed
+ * to get facility name and event name.
+ */
+struct _DrawInfo {
+ ItemInfo *over;
+ ItemInfo *middle;
+ ItemInfo *under;
+
+ ItemInfo *modify_over;
+ ItemInfo *modify_middle;
+ ItemInfo *modify_under;
+ LttvTraceState *ts;
+ LttvTracefileState *tfs;
+};
+
+struct _ItemInfo {
+ gint x, y;
+};
+
+/*
+ * 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;
+};
+
+/*
+ * 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 */
+};
+
+/*
+ * 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;
+ RelPos position;
+};
+
+
+struct _PropertiesIcon {
+ gchar *icon_name;
+ gint width;
+ gint height;
+ RelPos position;
+};
+
+struct _PropertiesLine {
+ GdkColor *color;
+ gint line_width;
+ GdkLineStyle style;
+ RelPos position;
+};
+
+struct _PropertiesArc {
+ GdkColor *color;
+ gint size; /* We force circle by width = height */
+ gboolean filled;
+ RelPos position;
+};
+
+struct _PropertiesBG {
+ GdkColor *color;
+};
-void Draw_Item( GdkDrawable *drawable,
+
+
+void draw_item( GdkDrawable *drawable,
gint x,
gint y,
LttvTraceState *ts,
*/
/*
- * The AddOperation has to do a quick sort by priority to keep the operations
+ * The add_operation has to do a quick sort by priority to keep the operations
* in the right order.
*/
-void AddOperation( LttvIAttribute *attributes,
+void add_operation( LttvIAttribute *attributes,
gchar *pathname,
DrawOperation *Operation);
/*
- * The DelOperation seeks the array present at pathname (if any) and
+ * 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 DelOperation( LttvIAttribute *attributes,
+gint del_operation( LttvIAttribute *attributes,
gchar *pathname,
DrawOperation *Operation);
/*
- * The CleanOperations removes all operations present at a pathname.
+ * The clean_operations removes all operations present at a pathname.
* returns 0 on success, -1 if it fails.
*/
-gint DelOperations( LttvIAttribute *attributes,
+gint clean_operations( LttvIAttribute *attributes,
gchar *pathname );
/*
- * The ListOperation gives a pointer to the operation array associated
+ * The list_operations gives a pointer to the operation array associated
* with the pathname. It will be NULL if no operation is present.
*/
-void ListOperations( LttvIAttribute *attributes,
+void list_operations( LttvIAttribute *attributes,
gchar *pathname,
GArray **Operation);
/*
- * ExecOperation executes the operations if present in the attributes, or
+ * exec_operation executes the operations if present in the attributes, or
* do nothing if not present.
*/
-void ExecOperations( LttvIAttribute *attributes,
+void exec_operations( LttvIAttribute *attributes,
gchar *pathname);
gchar *icon_name,
gint width,
gint height,
- RelPos position),
+ RelPos position);
PropertiesLine *properties_line_create(
GdkColor *color,
gint line_width,
GdkLineStyle style,
- RelPos position),
+ RelPos position);
PropertiesArc *properties_arc_create(
GdkColor *color,
gint size,
gboolean filled,
- RelPos position),
+ RelPos position);
PropertiesBG *properties_bg_create(
GdkColor *color);
* different items.
*/
-gboolean DrawText( void *hook_data, void *call_data);
-gboolean DrawIcon( void *hook_data, void *call_data);
-gboolean DrawLine( void *hook_data, void *call_data);
-gboolean DrawArc( void *hook_data, void *call_data);
-gboolean DrawBG( void *hook_data, void *call_data);
+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