state update hooks are added by the main window

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

diff --git a/ltt/branches/poly/lttv/modules/guiControlFlow/Drawing.h b/ltt/branches/poly/lttv/modules/guiControlFlow/Drawing.h
index 418f68858c0065f610d82497b03bbe243ca8a3e6..d2aa0a6ab137aa72d2297dea5b58b6c61e983cd3 100644 (file)
--- a/ltt/branches/poly/lttv/modules/guiControlFlow/Drawing.h
+++ b/ltt/branches/poly/lttv/modules/guiControlFlow/Drawing.h
@@ -6,44 +6,56 @@
 #include <gtk/gtk.h>
 #include <ltt/ltt.h>
 #include "CFV.h"
+#include "Draw_Item.h"
+
+
+#define SAFETY 50      // safety pixels at right and bottom of pixmap buffer
 
 /* This part of the viewer does :
  * Draw horizontal lines, getting graphic context as arg.
  * Copy region of the screen into another.
  * Modify the boundaries to reflect a scale change. (resize)
  * Refresh the physical screen with the pixmap
- * A helper function is provided here to convert from time and process
+ * A helper function is provided here to convert from time to process
  * identifier to pixels and the contrary (will be useful for mouse selection).
  * Insert an empty square in the drawing, moving the bottom part.
  *
+ * Note: The last point is exactly why it would not be so easy to add the
+ * vertical line functionnality as in the original version of LTT. In order
+ * to do so, we should keep all processes in the list for the duration of
+ * all the trace instead of dynamically adding and removing them when we
+ * scroll. Another possibility is to redraw all the visible area when a new
+ * process is added to the list. The second solution seems more appropriate
+ * to me.
+ * 
+ *
  * The pixmap used has the width of the physical window, but the height
  * of the shown processes.
  */
 
 typedef struct _Drawing_t Drawing_t;
 
-
-//FIXME : TEMPORARILY PLACED HERE FOR GC !!
 struct _Drawing_t {
        GtkWidget       *Drawing_Area_V;
        GdkPixmap       *Pixmap;
        ControlFlowData *Control_Flow_Data;
+       
+       PangoLayout *pango_layout;
 
        gint            height, width, depth;
-
+       
 };
 
+Drawing_t *drawing_construct(ControlFlowData *Control_Flow_Data);
+void drawing_destroy(Drawing_t *Drawing);
 
-Drawing_t *Drawing_construct(ControlFlowData *Control_Flow_Data);
-void Drawing_destroy(Drawing_t *Drawing);
-
-GtkWidget *Drawing_getWidget(Drawing_t *Drawing);
+GtkWidget *drawing_get_widget(Drawing_t *Drawing);
        
 //void Drawing_Refresh (       Drawing_t *Drawing,
 //                     guint x, guint y,
 //                     guint width, guint height);
 
-void Drawing_draw_line(        Drawing_t *Drawing,
+void drawing_draw_line(        Drawing_t *Drawing,
                        GdkPixmap *Pixmap,
                        guint x1, guint y1,
                        guint x2, guint y2,
@@ -55,12 +67,12 @@ void Drawing_draw_line(     Drawing_t *Drawing,
 //             guint width, guint height);
 
 /* Insert a square corresponding to a new process in the list */
-void Drawing_Insert_Square(Drawing_t *Drawing,
+void drawing_insert_square(Drawing_t *Drawing,
                                guint y,
                                guint height);
 
 /* Remove a square corresponding to a removed process in the list */
-void Drawing_Remove_Square(Drawing_t *Drawing,
+void drawing_remove_square(Drawing_t *Drawing,
                                guint y,
                                guint height);
 
@@ -68,17 +80,17 @@ void Drawing_Remove_Square(Drawing_t *Drawing,
 //void Drawing_Resize(Drawing_t *Drawing, guint h, guint w);
 
 void convert_pixels_to_time(
-               Drawing_t *Drawing,
+               gint width,
                guint x,
                LttTime *window_time_begin,
                LttTime *window_time_end,
-               LttTime *begin);
+               LttTime *time);
 
 void convert_time_to_pixels(
                LttTime window_time_begin,
                LttTime window_time_end,
                LttTime time,
-               Drawing_t *Drawing,
+               gint width,
                guint *x);
 
 #endif // _DRAWING_H