+
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+#include <lttv/hook.h>
+#include <lttv/attribute.h>
+#include <lttv/iattribute.h>
+#include <string.h>
+
+#include <lttv/processTrace.h>
+#include <lttv/state.h>
+
+#include "Draw_Item.h"
+
+
+#define MAX_PATH_LEN 256
+
+/* Drawing hook functions */
+gboolean draw_text( void *hook_data, void *call_data)
+{
+ PropertiesText *Properties = (PropertiesText*)hook_data;
+ DrawContext *Draw_Context = (DrawContext*)call_data;
+
+ PangoContext *context;
+ PangoLayout *layout;
+ PangoFontDescription *FontDesc;// = pango_font_description_new();
+ gint Font_Size;
+ PangoRectangle ink_rect;
+
+ gdk_gc_set_foreground(Draw_Context->gc, Properties->foreground);
+ gdk_gc_set_background(Draw_Context->gc, Properties->background);
+
+ layout = gtk_widget_create_pango_layout(GTK_WIDGET(Draw_Context->drawable), NULL);
+ context = pango_layout_get_context(layout);
+ FontDesc = pango_context_get_font_description(context);
+ Font_Size = pango_font_description_get_size(FontDesc);
+ pango_font_description_set_size(FontDesc, Properties->size*PANGO_SCALE);
+
+
+ pango_layout_set_text(layout, Properties->Text, -1);
+ pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
+ switch(Properties->position) {
+ case OVER:
+ gdk_draw_layout(Draw_Context->drawable, Draw_Context->gc,
+ Draw_Context->Current->modify_over->x,
+ Draw_Context->Current->modify_over->y,
+ layout);
+ Draw_Context->Current->modify_over->x += ink_rect.width;
+
+ break;
+ case MIDDLE:
+ gdk_draw_layout(Draw_Context->drawable, Draw_Context->gc,
+ Draw_Context->Current->modify_middle->x,
+ Draw_Context->Current->modify_middle->y,
+ layout);
+ Draw_Context->Current->modify_middle->x += ink_rect.width;
+ break;
+ case UNDER:
+ gdk_draw_layout(Draw_Context->drawable, Draw_Context->gc,
+ Draw_Context->Current->modify_under->x,
+ Draw_Context->Current->modify_under->y,
+ layout);
+ Draw_Context->Current->modify_under->x += ink_rect.width;
+ break;
+ }
+
+
+ pango_font_description_set_size(FontDesc, Font_Size);
+ g_free(layout);
+
+ return 0;
+}
+
+
+/* To speed up the process, search in already loaded icons list first. Only
+ * load it if not present.
+ */
+gboolean draw_icon( void *hook_data, void *call_data)
+{
+ PropertiesIcon *Properties = (PropertiesIcon*)hook_data;
+ DrawContext *Draw_Context = (DrawContext*)call_data;
+
+ LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
+ LttvAttributeValue value;
+ gchar icon_name[MAX_PATH_LEN] = "icons/";
+ IconStruct *icon_info;
+
+ strcat(icon_name, Properties->icon_name);
+
+ g_assert(lttv_iattribute_find_by_path(attributes, icon_name,
+ LTTV_POINTER, &value));
+ if(*(value.v_pointer) == NULL)
+ {
+ *(value.v_pointer) = icon_info = g_new(IconStruct,1);
+
+ icon_info->pixmap = gdk_pixmap_create_from_xpm(Draw_Context->drawable,
+ &icon_info->mask, NULL, Properties->icon_name);
+ }
+ else
+ {
+ icon_info = *(value.v_pointer);
+ }
+
+ gdk_gc_set_clip_mask(Draw_Context->gc, icon_info->mask);
+
+ switch(Properties->position) {
+ case OVER:
+ gdk_gc_set_clip_origin(
+ Draw_Context->gc,
+ Draw_Context->Current->modify_over->x,
+ Draw_Context->Current->modify_over->y);
+ gdk_draw_drawable(Draw_Context->drawable,
+ Draw_Context->gc,
+ icon_info->pixmap,
+ 0, 0,
+ Draw_Context->Current->modify_over->x,
+ Draw_Context->Current->modify_over->y,
+ Properties->width, Properties->height);
+
+ Draw_Context->Current->modify_over->x += Properties->width;
+
+ break;
+ case MIDDLE:
+ gdk_gc_set_clip_origin(
+ Draw_Context->gc,
+ Draw_Context->Current->modify_middle->x,
+ Draw_Context->Current->modify_middle->y);
+ gdk_draw_drawable(Draw_Context->drawable,
+ Draw_Context->gc,
+ icon_info->pixmap,
+ 0, 0,
+ Draw_Context->Current->modify_middle->x,
+ Draw_Context->Current->modify_middle->y,
+ Properties->width, Properties->height);
+
+ Draw_Context->Current->modify_middle->x += Properties->width;
+ break;
+ case UNDER:
+ gdk_gc_set_clip_origin(
+ Draw_Context->gc,
+ Draw_Context->Current->modify_under->x,
+ Draw_Context->Current->modify_under->y);
+ gdk_draw_drawable(Draw_Context->drawable,
+ Draw_Context->gc,
+ icon_info->pixmap,
+ 0, 0,
+ Draw_Context->Current->modify_under->x,
+ Draw_Context->Current->modify_under->y,
+ Properties->width, Properties->height);
+
+ Draw_Context->Current->modify_under->x += Properties->width;
+ break;
+ }
+
+ gdk_gc_set_clip_origin(Draw_Context->gc, 0, 0);
+ gdk_gc_set_clip_mask(Draw_Context->gc, NULL);
+
+ return 0;
+}
+
+gboolean draw_line( void *hook_data, void *call_data)
+{
+ PropertiesLine *Properties = (PropertiesLine*)hook_data;
+ DrawContext *Draw_Context = (DrawContext*)call_data;
+
+ gdk_gc_set_foreground(Draw_Context->gc, Properties->color);
+ gdk_gc_set_line_attributes( Draw_Context->gc,
+ Properties->line_width,
+ Properties->style,
+ GDK_CAP_BUTT,
+ GDK_JOIN_MITER);
+
+ switch(Properties->position) {
+ case OVER:
+ drawing_draw_line(
+ NULL, Draw_Context->drawable,
+ Draw_Context->Previous->over->x,
+ Draw_Context->Previous->over->y,
+ Draw_Context->Current->over->x,
+ Draw_Context->Current->over->y,
+ Draw_Context->gc);
+ break;
+ case MIDDLE:
+ drawing_draw_line(
+ NULL, Draw_Context->drawable,
+ Draw_Context->Previous->middle->x,
+ Draw_Context->Previous->middle->y,
+ Draw_Context->Current->middle->x,
+ Draw_Context->Current->middle->y,
+ Draw_Context->gc);
+ break;
+ case UNDER:
+ drawing_draw_line(
+ NULL, Draw_Context->drawable,
+ Draw_Context->Previous->under->x,
+ Draw_Context->Previous->under->y,
+ Draw_Context->Current->under->x,
+ Draw_Context->Current->under->y,
+ Draw_Context->gc);
+
+ break;
+ }
+
+ return 0;
+}
+
+gboolean draw_arc( void *hook_data, void *call_data)
+{
+ PropertiesArc *Properties = (PropertiesArc*)hook_data;
+ DrawContext *Draw_Context = (DrawContext*)call_data;
+
+ gdk_gc_set_foreground(Draw_Context->gc, Properties->color);
+
+ switch(Properties->position) {
+ case OVER:
+ gdk_draw_arc(Draw_Context->drawable, Draw_Context->gc,
+ Properties->filled,
+ Draw_Context->Current->modify_over->x,
+ Draw_Context->Current->modify_over->y,
+ Properties->size, Properties->size, 0, 360*64);
+ Draw_Context->Current->modify_over->x += Properties->size;
+
+ break;
+ case MIDDLE:
+ gdk_draw_arc(Draw_Context->drawable, Draw_Context->gc,
+ Properties->filled,
+ Draw_Context->Current->modify_middle->x,
+ Draw_Context->Current->modify_middle->y,
+ Properties->size, Properties->size, 0, 360*64);
+ Draw_Context->Current->modify_middle->x += Properties->size;
+
+ break;
+ case UNDER:
+ gdk_draw_arc(Draw_Context->drawable, Draw_Context->gc,
+ Properties->filled,
+ Draw_Context->Current->modify_under->x,
+ Draw_Context->Current->modify_under->y,
+ Properties->size, Properties->size, 0, 360*64);
+ Draw_Context->Current->modify_under->x += Properties->size;
+
+ break;
+ }
+
+
+ return 0;
+}
+
+gboolean draw_bg( void *hook_data, void *call_data)
+{
+ PropertiesBG *Properties = (PropertiesBG*)hook_data;
+ DrawContext *Draw_Context = (DrawContext*)call_data;
+
+ gdk_gc_set_foreground(Draw_Context->gc, Properties->color);
+
+
+ gdk_draw_rectangle(Draw_Context->drawable, Draw_Context->gc,
+ TRUE,
+ Draw_Context->Previous->over->x,
+ Draw_Context->Previous->over->y,
+ Draw_Context->Current->over->x - Draw_Context->Previous->over->x,
+ Draw_Context->Previous->under->y);
+
+ return 0;
+}
+
+