X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=inline;f=ltt%2Fbranches%2Fpoly%2Flttv%2Fmodules%2FguiControlFlow%2FDraw_Item.h;h=63efcc11baa989d9fc529c59a3c373fdcc596a82;hb=8d088fb270b8b2e03e3632f1b5733485a6675c07;hp=6e5f5eb5cd2bfcdacc07531c941d4293757b3393;hpb=1a31868cb394a6b2214965baee974fa3cea927f3;p=lttv.git

diff --git a/ltt/branches/poly/lttv/modules/guiControlFlow/Draw_Item.h b/ltt/branches/poly/lttv/modules/guiControlFlow/Draw_Item.h
index 6e5f5eb5..63efcc11 100644
--- a/ltt/branches/poly/lttv/modules/guiControlFlow/Draw_Item.h
+++ b/ltt/branches/poly/lttv/modules/guiControlFlow/Draw_Item.h
@@ -27,6 +27,139 @@ typedef enum _RelPos {
 } 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;
+	
+
+	DrawInfo	*Current;
+	DrawInfo	*Previous;
+};
+
+struct _DrawInfo {
+	ItemInfo	*over;
+	ItemInfo	*middle;
+	ItemInfo	*under;
+	
+	ItemInfo	*modify_over;
+	ItemInfo	*modify_middle;
+	ItemInfo	*modify_under;
+};
+
+/* 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 _ItemInfo {
+	gint	x, y;
+	LttvTraceState		*ts;
+	LttvTracefileState	*tfs;
+};
+
+/*
+ * 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,
 		gint x,
 		gint y,