state update hooks are added by the main window
[lttv.git] / ltt / branches / poly / lttv / modules / guiControlFlow / Drawing.c
index cbd2e1059b385d89edc7a130b14e158f41fa99f6..0d666ceefa6bc6b1900a0a651ed802f7acea1b2d 100644 (file)
@@ -14,7 +14,6 @@
 #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
 #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)
 
-
 /*****************************************************************************
  *                              Drawing functions                            *
  *****************************************************************************/
@@ -43,6 +42,8 @@ static GdkColor CF_Colors [] =
 
 /* Function responsible for updating the exposed area.
  * It must call processTrace() to ask for this update.
+ * Note : this function cannot clear the background, because it may
+ * erase drawing already present (SAFETY).
  */
 void drawing_data_request(Drawing_t *Drawing,
                        GdkPixmap **Pixmap,
@@ -70,12 +71,12 @@ void drawing_data_request(Drawing_t *Drawing,
        
        g_critical("x is : %i, x+width is : %i", x, x+width);
 
-       convert_pixels_to_time(width, x,
+       convert_pixels_to_time(Drawing->Drawing_Area_V->allocation.width, x,
                                &control_flow_data->Time_Window.start_time,
                                &window_end,
                                &start);
 
-       convert_pixels_to_time(width, x + width,
+       convert_pixels_to_time(Drawing->Drawing_Area_V->allocation.width, x + width,
                                &control_flow_data->Time_Window.start_time,
                                &window_end,
                                &end);
@@ -83,14 +84,7 @@ void drawing_data_request(Drawing_t *Drawing,
        LttvTracesetContext * tsc =
                                get_traceset_context(control_flow_data->Parent_Window);
        
-  gdk_draw_rectangle (*Pixmap,
-                     Drawing->Drawing_Area_V->style->white_gc,
-                     TRUE,
-                     x, y,
-                     width,    // do not overlap
-                     height);
-
-  //send_test_process(
+    //send_test_process(
        //guicontrolflow_get_process_list(Drawing->Control_Flow_Data),
        //Drawing);
   //send_test_drawing(
@@ -102,6 +96,8 @@ void drawing_data_request(Drawing_t *Drawing,
        event_request.Control_Flow_Data = control_flow_data;
        event_request.time_begin = start;
        event_request.time_end = end;
+       event_request.x_begin = x;
+       event_request.x_end = x+width;
 
        g_critical("req : start : %u, %u", event_request.time_begin.tv_sec, 
                                                                                                                                                        event_request.time_begin.tv_nsec);
@@ -110,56 +106,113 @@ void drawing_data_request(Drawing_t *Drawing,
                                                                                                                                                        event_request.time_end.tv_nsec);
        
        LttvHooks *event = lttv_hooks_new();
+       LttvHooks *after_event = lttv_hooks_new();
+       LttvHooks *after_traceset = lttv_hooks_new();
+       lttv_hooks_add(after_traceset, after_data_request, &event_request);
        lttv_hooks_add(event, draw_event_hook, &event_request);
+       //Modified by xiangxiu: state update hooks are added by the main window
+       //state_add_event_hooks_api(control_flow_data->Parent_Window);
+       lttv_hooks_add(after_event, draw_after_hook, &event_request);
 
        lttv_process_traceset_seek_time(tsc, start);
+       // FIXME : would like to place the after_traceset hook after the traceset,
+       // but the traceset context state is not valid anymore.
        lttv_traceset_context_add_hooks(tsc,
+       //              NULL, after_traceset, NULL, NULL, NULL, NULL,
                        NULL, NULL, NULL, NULL, NULL, NULL,
-                       NULL, NULL, NULL, event, NULL);
+                       NULL, after_traceset, NULL, event, after_event);
        lttv_process_traceset(tsc, end, G_MAXULONG);
-       lttv_traceset_context_remove_hooks(tsc, NULL, NULL, NULL, NULL, NULL, NULL,
-                       NULL, NULL, NULL, event, NULL);
+       //after_data_request((void*)&event_request,(void*)tsc);
+       lttv_traceset_context_remove_hooks(tsc,
+                       //NULL, after_traceset, NULL, NULL, NULL, NULL,
+                       NULL, NULL, NULL, NULL, NULL, NULL,
+                       NULL, after_traceset, NULL, event, after_event);
+       //Modified by xiangxiu: state update hooks are removed by the main window
+       //state_remove_event_hooks_api(control_flow_data->Parent_Window);
 
+       lttv_hooks_destroy(after_traceset);
        lttv_hooks_destroy(event);
+       lttv_hooks_destroy(after_event);
+
+       
 }
                      
 /* Callbacks */
 
 
 /* Create a new backing pixmap of the appropriate size */
+/* As the scaling will always change, it's of no use to copy old
+ * pixmap.
+ */
 static gboolean
 configure_event( GtkWidget *widget, GdkEventConfigure *event, 
                gpointer user_data)
 {
   Drawing_t *Drawing = (Drawing_t*)user_data;
 
+
+       /* First, get the new time interval of the main window */
+       /* we assume (see documentation) that the main window
+        * has updated the time interval before this configure gets
+        * executed.
+        */
+       get_time_window(Drawing->Control_Flow_Data->Parent_Window,
+                               &Drawing->Control_Flow_Data->Time_Window);
+       
   /* New Pixmap, size of the configure event */
-  GdkPixmap *Pixmap = gdk_pixmap_new(widget->window,
-                         widget->allocation.width,
-                         widget->allocation.height,
-                         -1);
+  //GdkPixmap *Pixmap = gdk_pixmap_new(widget->window,
+       //                widget->allocation.width + SAFETY,
+       //                widget->allocation.height + SAFETY,
+       //                -1);
        
   g_critical("drawing configure event");
-
+       g_critical("New draw size : %i by %i",widget->allocation.width, widget->allocation.height);
+       
+               
+       if (Drawing->Pixmap)
+    gdk_pixmap_unref(Drawing->Pixmap);
+       
   /* If no old Pixmap present */
-  if(Drawing->Pixmap == NULL)
+  //if(Drawing->Pixmap == NULL)
   {
        Drawing->Pixmap = gdk_pixmap_new(
                widget->window,
-               widget->allocation.width,
-               widget->allocation.height,
+               widget->allocation.width + SAFETY,
+               widget->allocation.height + SAFETY,
                //ProcessList_get_height
                // (GuiControlFlow_get_Process_List(Drawing->Control_Flow_Data)),
                -1);
-       Drawing->width = widget->allocation.width;
-       Drawing->height = widget->allocation.height;
-g_critical("init data");
-       /* Initial data request */
-       drawing_data_request(Drawing, &Drawing->Pixmap, 0, 0,
+               Drawing->width = widget->allocation.width;
+               Drawing->height = widget->allocation.height;
+               
+
+               // Clear the image
+         gdk_draw_rectangle (Drawing->Pixmap,
+                     widget->style->white_gc,
+                     TRUE,
+                     0, 0,
+                     widget->allocation.width+SAFETY,
+                     widget->allocation.height+SAFETY);
+
+               //g_info("init data request");
+
+
+               /* Initial data request */
+               // Do not need to ask for data of 1 pixel : not synchronized with
+               // main window time at this moment.
+               drawing_data_request(Drawing, &Drawing->Pixmap, 0, 0,
                        widget->allocation.width,
-                       widget->allocation.height);
+                               widget->allocation.height);
+                                     
+         Drawing->width = widget->allocation.width;
+               Drawing->height = widget->allocation.height;
+
+       return TRUE;
+
+
 
   }
+#ifdef NOTUSE
 //  /* Draw empty background */ 
 //  gdk_draw_rectangle (Pixmap,
 //                   widget->style->black_gc,
@@ -168,49 +221,54 @@ g_critical("init data");
 //                   widget->allocation.width,
 //                   widget->allocation.height);
   
-  /* Copy old data to new pixmap */
-  gdk_draw_drawable (Pixmap,
-                 widget->style->white_gc,
-                 Drawing->Pixmap,
-                 0, 0,
-                 0, 0,
-                 -1, -1);
-
-   /* Request data for missing space */
-g_critical("missing data");
-   drawing_data_request(Drawing, &Pixmap, Drawing->width, 0,
-                       widget->allocation.width - Drawing->width,
-                       widget->allocation.height);
-   drawing_data_request(Drawing, &Pixmap, 0, Drawing->height,
-                  Drawing->width,
-                  widget->allocation.height - Drawing->height);
-                                             
-//   gdk_draw_rectangle (Pixmap,
-//                   widget->style->white_gc,
-//                   TRUE,
-//                   Drawing->width, 0,
-//                   widget->allocation.width -
-//                                     Drawing->width,
-//                   widget->allocation.height);
-
-//    gdk_draw_rectangle (Pixmap,
-//                   widget->style->white_gc,
-//                   TRUE,
-//                   0, Drawing->height,
-//                   Drawing->width,   // do not overlap
-//                   widget->allocation.height -
-//                                     Drawing->height);
-  
-  
+       /* Copy old data to new pixmap */
+       gdk_draw_drawable (Pixmap,
+         widget->style->white_gc,
+         Drawing->Pixmap,
+         0, 0,
+         0, 0,
+         -1, -1);
+               
   if (Drawing->Pixmap)
     gdk_pixmap_unref(Drawing->Pixmap);
 
   Drawing->Pixmap = Pixmap;
+               
+       // Clear the bottom part of the image (SAFETY)
+  gdk_draw_rectangle (Pixmap,
+                     widget->style->white_gc,
+                     TRUE,
+                     0, Drawing->height+SAFETY,
+                     Drawing->width+SAFETY,    // do not overlap
+                     (widget->allocation.height) - Drawing->height);
+
+       // Clear the right part of the image (SAFETY)
+  gdk_draw_rectangle (Pixmap,
+                     widget->style->white_gc,
+                     TRUE,
+                     Drawing->width+SAFETY, 0,
+                     (widget->allocation.width) - Drawing->width,      // do not overlap
+                     Drawing->height+SAFETY);
+
+       /* Clear the backgound for data request, but not SAFETY */
+       gdk_draw_rectangle (Pixmap,
+                                       Drawing->Drawing_Area_V->style->white_gc,
+                     TRUE,
+                     Drawing->width + SAFETY, 0,
+                     widget->allocation.width - Drawing->width,        // do not overlap
+                     widget->allocation.height+SAFETY);
+
+  /* Request data for missing space */
+       g_info("missing data request");
+  drawing_data_request(Drawing, &Pixmap, Drawing->width, 0,
+               widget->allocation.width - Drawing->width,
+                       widget->allocation.height);
+                                     
   Drawing->width = widget->allocation.width;
   Drawing->height = widget->allocation.height;
 
   return TRUE;
+#endif //NOTUSE
 }
 
 
@@ -219,8 +277,27 @@ static gboolean
 expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
 {
   Drawing_t *Drawing = (Drawing_t*)user_data;
+       ControlFlowData *control_flow_data =
+                       (ControlFlowData*)g_object_get_data(
+                                                               G_OBJECT(widget),
+                                                               "Control_Flow_Data");
+
   g_critical("drawing expose event");
+       
+       guint x=0;
+       LttTime* Current_Time = 
+                       guicontrolflow_get_current_time(control_flow_data);
 
+       LttTime window_end = ltt_time_add(control_flow_data->Time_Window.time_width,
+                                                                                       control_flow_data->Time_Window.start_time);
+
+       convert_time_to_pixels(
+                               control_flow_data->Time_Window.start_time,
+                               window_end,
+                               *Current_Time,
+                               widget->allocation.width,
+                               &x);
+       
   gdk_draw_pixmap(widget->window,
                  widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
                  Drawing->Pixmap,
@@ -228,9 +305,58 @@ expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
                  event->area.x, event->area.y,
                  event->area.width, event->area.height);
 
+       if(x >= event->area.x && x <= event->area.x+event->area.width)
+       {
+               GdkGC *gc = gdk_gc_new(control_flow_data->Drawing->Pixmap);
+               gdk_gc_copy(gc, widget->style->black_gc);
+               
+               drawing_draw_line(NULL, widget->window,
+                                                                       x, event->area.y,
+                                                                       x, event->area.y+event->area.height,
+                                                                       gc);
+               gdk_gc_unref(gc);
+       }
   return FALSE;
 }
 
+/* mouse click */
+static gboolean
+button_press_event( GtkWidget *widget, GdkEventButton *event, gpointer user_data )
+{
+       ControlFlowData *control_flow_data =
+                       (ControlFlowData*)g_object_get_data(
+                                                               G_OBJECT(widget),
+                                                               "Control_Flow_Data");
+       Drawing_t *Drawing = control_flow_data->Drawing;
+
+
+       g_critical("click");
+       if(event->button == 1)
+       {
+               LttTime time;
+
+               LttTime window_end = ltt_time_add(control_flow_data->Time_Window.time_width,
+                                                                                               control_flow_data->Time_Window.start_time);
+
+
+               /* left mouse button click */
+               g_critical("x click is : %f", event->x);
+
+               convert_pixels_to_time(widget->allocation.width, (guint)event->x,
+                               &control_flow_data->Time_Window.start_time,
+                               &window_end,
+                               &time);
+
+               set_current_time(control_flow_data->Parent_Window, &time);
+
+       }
+       
+       return FALSE;
+}
+
+
+
+
 Drawing_t *drawing_construct(ControlFlowData *Control_Flow_Data)
 {
        Drawing_t *Drawing = g_new(Drawing_t, 1);
@@ -238,6 +364,9 @@ Drawing_t *drawing_construct(ControlFlowData *Control_Flow_Data)
        Drawing->Drawing_Area_V = gtk_drawing_area_new ();
        Drawing->Control_Flow_Data = Control_Flow_Data;
 
+       Drawing->pango_layout =
+               gtk_widget_create_pango_layout(Drawing->Drawing_Area_V, NULL);
+       
        //gtk_widget_set_size_request(Drawing->Drawing_Area_V->window, 50, 50);
        g_object_set_data_full(
                        G_OBJECT(Drawing->Drawing_Area_V),
@@ -268,6 +397,8 @@ Drawing_t *drawing_construct(ControlFlowData *Control_Flow_Data)
 //                       Drawing->Drawing_Area_V->allocation.height,
 //                       -1);
 
+       gtk_widget_add_events(Drawing->Drawing_Area_V, GDK_BUTTON_PRESS_MASK);
+       
        g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
                                "configure_event",
                                G_CALLBACK (configure_event),
@@ -278,6 +409,12 @@ Drawing_t *drawing_construct(ControlFlowData *Control_Flow_Data)
                                G_CALLBACK (expose_event),
                                (gpointer)Drawing);
 
+       g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
+                               "button-press-event",
+                               G_CALLBACK (button_press_event),
+                               (gpointer)Drawing);
+
+       
        return Drawing;
 }
 
@@ -287,6 +424,7 @@ void drawing_destroy(Drawing_t *Drawing)
        // Do not unref here, Drawing_t destroyed by it's widget.
        //g_object_unref( G_OBJECT(Drawing->Drawing_Area_V));
                
+       g_free(Drawing->pango_layout);
        g_free(Drawing);
 }
 
@@ -395,12 +533,12 @@ void drawing_insert_square(Drawing_t *Drawing,
                                guint y,
                                guint height)
 {
-       GdkRectangle update_rect;
+       //GdkRectangle update_rect;
 
        /* Allocate a new pixmap with new height */
        GdkPixmap *Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window,
-                         Drawing->width,
-                         Drawing->height + height,
+                         Drawing->width + SAFETY,
+                         Drawing->height + height + SAFETY,
                          -1);
        
        /* Copy the high region */
@@ -409,17 +547,17 @@ void drawing_insert_square(Drawing_t *Drawing,
                Drawing->Pixmap,
                0, 0,
                0, 0,
-               Drawing->width, y);
+               Drawing->width + SAFETY, y);
 
 
 
 
        /* add an empty square */
        gdk_draw_rectangle (Pixmap,
-               Drawing->Drawing_Area_V->style->black_gc,
+               Drawing->Drawing_Area_V->style->white_gc,
                TRUE,
                0, y,
-               Drawing->width, // do not overlap
+               Drawing->width + SAFETY,        // do not overlap
                height);
 
 
@@ -430,7 +568,7 @@ void drawing_insert_square(Drawing_t *Drawing,
                Drawing->Pixmap,
                0, y,
                0, y + height,
-               Drawing->width, Drawing->height - y);
+               Drawing->width+SAFETY, Drawing->height - y + SAFETY);
 
 
 
@@ -443,11 +581,11 @@ void drawing_insert_square(Drawing_t *Drawing,
        Drawing->height+=height;
 
        /* Rectangle to update, from new Drawing dimensions */
-       update_rect.x = 0 ;
-       update_rect.y = y ;
-       update_rect.width = Drawing->width;
-       update_rect.height = Drawing->height - y ;
-       gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
+       //update_rect.x = 0 ;
+       //update_rect.y = y ;
+       //update_rect.width = Drawing->width;
+       //update_rect.height = Drawing->height - y ;
+       //gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
 }
 
 
@@ -456,13 +594,13 @@ void drawing_remove_square(Drawing_t *Drawing,
                                guint y,
                                guint height)
 {
-       GdkRectangle update_rect;
+       //GdkRectangle update_rect;
        
        /* Allocate a new pixmap with new height */
        GdkPixmap *Pixmap = gdk_pixmap_new(
                        Drawing->Drawing_Area_V->window,
-                       Drawing->width,
-                       Drawing->height - height,
+                       Drawing->width + SAFETY,
+                       Drawing->height - height + SAFETY,
                        -1);
        
        /* Copy the high region */
@@ -471,7 +609,7 @@ void drawing_remove_square(Drawing_t *Drawing,
                Drawing->Pixmap,
                0, 0,
                0, 0,
-               Drawing->width, y);
+               Drawing->width + SAFETY, y);
 
 
 
@@ -481,7 +619,7 @@ void drawing_remove_square(Drawing_t *Drawing,
                Drawing->Pixmap,
                0, y + height,
                0, y,
-               Drawing->width, Drawing->height - y - height);
+               Drawing->width, Drawing->height - y - height + SAFETY);
 
 
        if (Drawing->Pixmap)
@@ -492,11 +630,11 @@ void drawing_remove_square(Drawing_t *Drawing,
        Drawing->height-=height;
        
        /* Rectangle to update, from new Drawing dimensions */
-       update_rect.x = 0 ;
-       update_rect.y = y ;
-       update_rect.width = Drawing->width;
-       update_rect.height = Drawing->height - y ;
-       gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
+       //update_rect.x = 0 ;
+       //update_rect.y = y ;
+       //update_rect.width = Drawing->width;
+       //update_rect.height = Drawing->height - y ;
+       //gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
 }
 
 
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