fixed memory leak in test drawing functions

[lttv.git] / ltt / branches / poly / lttv / modules / guiControlFlow / Draw_Item.h

diff --git a/ltt/branches/poly/lttv/modules/guiControlFlow/Draw_Item.h b/ltt/branches/poly/lttv/modules/guiControlFlow/Draw_Item.h
index 6e5f5eb5cd2bfcdacc07531c941d4293757b3393..63efcc11baa989d9fc529c59a3c373fdcc596a82 100644 (file)
--- 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,