ltt/branches/poly/lttv/modules/guiControlFlow/Drawing.h

   1 #ifndef _DRAWING_H
   2 #define _DRAWING_H
   3
   4 #include <glib.h>
   5 #include <gdk/gdk.h>
   6 #include <gtk/gtk.h>
   7 #include <ltt/ltt.h>
   8
   9 /* This part of the viewer does :
  10  * Draw horizontal lines, getting graphic context as arg.
  11  * Copy region of the screen into another.
  12  * Modify the boundaries to reflect a scale change. (resize)
  13  * Refresh the physical screen with the pixmap
  14  * A helper function is provided here to convert from time and process
  15  * identifier to pixels and the contrary (will be useful for mouse selection).
  16  * Insert an empty square in the drawing, moving the bottom part.
  17  *
  18  * The pixmap used has the width of the physical window, but the height
  19  * of the shown processes.
  20  */
  21
  22 typedef struct _Drawing_t Drawing_t;
  23
  24 Drawing_t *Drawing_construct(void);
  25 void Drawing_destroy(Drawing_t *Drawing);
  26
  27 GtkWidget *Drawing_getWidget(Drawing_t *Drawing);
  28
  29 //void Drawing_Refresh (        Drawing_t *Drawing,
  30 //                      guint x, guint y,
  31 //                      guint width, guint height);
  32
  33 void Drawing_draw_line( Drawing_t *Drawing,
  34                         GdkPixmap *Pixmap,
  35                         guint x1, guint y1,
  36                         guint x2, guint y2,
  37                         GdkGC *GC);
  38
  39 //void Drawing_copy( Drawing_t *Drawing,
  40 //              guint xsrc, guint ysrc,
  41 //              guint xdest, guint ydest,
  42 //              guint width, guint height);
  43
  44 /* Insert a square corresponding to a new process in the list */
  45 void Drawing_Insert_Square(Drawing_t *Drawing,
  46                                 guint y,
  47                                 guint height);
  48
  49 /* Remove a square corresponding to a removed process in the list */
  50 void Drawing_Remove_Square(Drawing_t *Drawing,
  51                                 guint y,
  52                                 guint height);
  53
  54
  55 //void Drawing_Resize(Drawing_t *Drawing, guint h, guint w);
  56
  57 void convert_pixels_to_time(
  58                 Drawing_t *Drawing,
  59                 guint x,
  60                 LttTime *window_time_begin,
  61                 LttTime *window_time_end,
  62                 LttTime *begin);
  63
  64 void convert_time_to_pixels(
  65                 LttTime window_time_begin,
  66                 LttTime window_time_end,
  67                 LttTime time,
  68                 Drawing_t *Drawing,
  69                 guint *x);
  70
  71 #endif // _DRAWING_H