#include "Drawing.h"
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+
+#include <lttv/processTrace.h>
/*****************************************************************************
* Drawing functions *
*****************************************************************************/
+//FIXME Colors will need to be dynamic. Graphic context part not done so far.
typedef enum
{
RED,
};
-typedef struct _Drawing_t {
- GtkWidget *Drawing_Area_V
+struct _Drawing_t {
+ GtkWidget *Drawing_Area_V;
+ GdkPixmap *Pixmap;
+
+ gint height, width, depth;
+
+};
+
+/* Function responsible for updating the exposed area.
+ * It must call processTrace() to ask for this update.
+ */
+void Drawing_Data_Request(Drawing_t *Drawing,
+ GdkPixmap *Pixmap,
+ gint x, gint y,
+ gint width,
+ gint height)
+{
+ gdk_draw_rectangle (Pixmap,
+ Drawing->Drawing_Area_V->style->white_gc,
+ TRUE,
+ x, y,
+ width, // do not overlap
+ height);
- guint height, width;
+ Drawing_draw_line(Drawing, Pixmap, 10, 10, 50, 10,
+ Drawing->Drawing_Area_V->style->black_gc);
-} Drawing_t;
+
+}
+
+/* Callbacks */
-Drawing_t *Drawing(void)
+/* Create a new backing pixmap of the appropriate size */
+static gboolean
+configure_event( GtkWidget *widget, GdkEventConfigure *event,
+ gpointer user_data)
{
+ Drawing_t *Drawing = (Drawing_t*)user_data;
+
+ GdkPixmap *Pixmap = gdk_pixmap_new(widget->window,
+ widget->allocation.width,
+ widget->allocation.height,
+ -1);
+
+ if(Drawing->Pixmap == NULL)
+ {
+ Drawing->Pixmap = gdk_pixmap_new(widget->window,
+ widget->allocation.width,
+ widget->allocation.height,
+ -1);
+ Drawing->width = widget->allocation.width;
+ Drawing->height = widget->allocation.height;
+
+ /* Initial data request */
+ Drawing_Data_Request(Drawing, Drawing->Pixmap, 0, 0,
+ widget->allocation.width,
+ widget->allocation.height);
+
+ }
+// /* Draw empty background */
+// gdk_draw_rectangle (Pixmap,
+// widget->style->black_gc,
+// TRUE,
+// 0, 0,
+// 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 */
+ 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);
+
+
+
+ g_critical("drawing configure event");
+
+
+ if (Drawing->Pixmap)
+ gdk_pixmap_unref(Drawing->Pixmap);
+
+ Drawing->Pixmap = Pixmap;
+ Drawing->width = widget->allocation.width;
+ Drawing->height = widget->allocation.height;
+
+ return TRUE;
+}
+
+
+/* Redraw the screen from the backing pixmap */
+static gboolean
+expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
+{
+ Drawing_t *Drawing = (Drawing_t*)user_data;
+ g_critical("drawing expose event");
+
+ gdk_draw_pixmap(widget->window,
+ widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
+ Drawing->Pixmap,
+ event->area.x, event->area.y,
+ event->area.x, event->area.y,
+ event->area.width, event->area.height);
- Drawing_t Drawing = g_new(Drawing_t, 1);
+ return FALSE;
+}
+
+Drawing_t *Drawing_construct(void)
+{
+ Drawing_t *Drawing = g_new(Drawing_t, 1);
Drawing->Drawing_Area_V = gtk_drawing_area_new ();
-
+
+ //gtk_widget_set_size_request(Drawing->Drawing_Area_V->window, 50, 50);
g_object_set_data_full(
G_OBJECT(Drawing->Drawing_Area_V),
- "Drawing_Data",
+ "Link_Drawing_Data",
Drawing,
(GDestroyNotify)Drawing_destroy);
- gtk_widget_modify_bg( Control_Flow_Data->Drawing_Area_V,
- GTK_STATE_NORMAL,
- &CF_Colors[BLACK]);
+ //gtk_widget_modify_bg( Drawing->Drawing_Area_V,
+ // GTK_STATE_NORMAL,
+ // &CF_Colors[BLACK]);
+
+ //gdk_window_get_geometry(Drawing->Drawing_Area_V->window,
+ // NULL, NULL,
+ // &(Drawing->width),
+ // &(Drawing->height),
+ // -1);
+
+ //Drawing->Pixmap = gdk_pixmap_new(
+ // Drawing->Drawing_Area_V->window,
+ // Drawing->width,
+ // Drawing->height,
+ // Drawing->depth);
+
+ Drawing->Pixmap = NULL;
+
+// Drawing->Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window,
+// Drawing->Drawing_Area_V->allocation.width,
+// Drawing->Drawing_Area_V->allocation.height,
+// -1);
+
+
+ g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
+ "configure_event",
+ G_CALLBACK (configure_event),
+ (gpointer)Drawing);
+ g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
+ "expose_event",
+ G_CALLBACK (expose_event),
+ (gpointer)Drawing);
return Drawing;
}
void Drawing_destroy(Drawing_t *Drawing)
{
- g_object_unref( G_OBJECT(Drawing->Drawing_Area_V));
+ // Do not unref here, Drawing_t destroyed by it's widget.
+ //g_object_unref( G_OBJECT(Drawing->Drawing_Area_V));
g_free(Drawing);
}
+GtkWidget *Drawing_getWidget(Drawing_t *Drawing)
+{
+ return Drawing->Drawing_Area_V;
+}
+
/* get_time_from_pixels
*
* Get the time interval from window time and pixels, and pixels requested. This
guint x,
LttTime *window_time_begin,
LttTime *window_time_end,
- LttTime *time,
- );
+ LttTime *time)
{
LttTime window_time_interval;
- TimeSub(window_time_interval, *window_time_end, window_time_begin);
+ TimeSub(window_time_interval, *window_time_end, *window_time_begin);
TimeMul(*time, window_time_interval,
(x/(float)Drawing->width));
- TimeAdd(*time, window_time_begin, *time);
+ TimeAdd(*time, *window_time_begin, *time);
}
LttTime window_time_end,
LttTime time,
Drawing_t *Drawing,
- guint *x,
- )
+ guint *x)
{
LttTime window_time_interval;
+ float interval_float, time_float;
TimeSub(window_time_interval, window_time_end, window_time_begin);
- TimeSub(time, time, wimdow_time_begin);
+ TimeSub(time, time, window_time_begin);
- *x = (guint)((time/(float)window_time_interval) * Drawing->width);
+ interval_float = (window_time_interval.tv_sec * NANSECOND_CONST)
+ + window_time_interval.tv_nsec;
+ time_float = (time.tv_sec * NANSECOND_CONST)
+ + time.tv_nsec;
+
+ *x = (guint)(time_float/interval_float * Drawing->width);
}
+void Drawing_Refresh ( Drawing_t *Drawing,
+ guint x, guint y,
+ guint width, guint height)
+{
+ gdk_draw_drawable(
+ Drawing->Drawing_Area_V->window,
+ Drawing->Drawing_Area_V->
+ style->fg_gc[GTK_WIDGET_STATE (Drawing->Drawing_Area_V)],
+ GDK_DRAWABLE(Drawing->Pixmap),
+ x, y,
+ x, y,
+ width, height);
+}
-void Drawing_Resize(Drawing_t *Drawing, guint h, guint, w)
+void Drawing_draw_line( Drawing_t *Drawing,
+ GdkPixmap *Pixmap,
+ guint x1, guint y1,
+ guint x2, guint y2,
+ GdkGC *GC)
{
- guint w;
+ gdk_draw_line (Pixmap,
+ GC,
+ x1, y1, x2, y2);
+}
+
+
+
+void Drawing_Resize(Drawing_t *Drawing, guint h, guint w)
+{
Drawing->height = h ;
- Drawing->weight = w ;
+ Drawing->width = w ;
- gtk_widget_set_size_request ( Control_Flow_Data->Drawing_Area_V,
- Drawing->weight,
+ gtk_widget_set_size_request ( Drawing->Drawing_Area_V,
+ Drawing->width,
Drawing->height);
}
-
projects / lttv.git / blobdiff