* We use the lttv global attributes to keep track of the loaded icons.
* If we need an icon, we look for it in the icons / icon name pathname.
* If found, we use the pointer to it. If not, we load the pixmap in
- * memory and set the pointer to the GdkPixmap in the attributes.
+ * memory and set the pointer to the GdkPixmap in the attributes. The
+ * structure pointed to contains the pixmap and the mask bitmap.
*
* Author : Mathieu Desnoyers, October 2003
*/
#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"
-
-/* The DrawContext keeps information about the current drawing position and
- * the previous one, so we can use both to draw lines.
- *
- * over : position for drawing over the middle line.
- * middle : middle line position.
- * under : position for drawing under the middle line.
- *
- * the modify_* are used to take into account that we should go forward
- * when we draw a text, an arc or an icon, while it's unneeded when we
- * draw a line or background.
- */
-struct _DrawContext {
- GdkDrawable *drawable;
- GdkGC *gc;
-
- DrawInfo *Current;
- DrawInfo *Previous;
-};
-
-struct _DrawInfo {
- ItemInfo *over;
- ItemInfo *middle;
- ItemInfo *under;
-
- ItemInfo *modify_over;
- ItemInfo *modify_middle;
- ItemInfo *modify_under;
-};
-
-/* LttvExecutionState is accessible through the LttvTracefileState. Is has
- * a pointer to the LttvProcessState which points to the top of stack
- * execution state : LttvExecutionState *state.
- *
- * LttvExecutionState contains (useful here):
- * LttvExecutionMode t,
- * LttvExecutionSubmode n,
- * LttvProcessStatus s
- *
- *
- * LttvTraceState will be used in the case we need the string of the
- * different processes, eventtype_names, syscall_names, trap_names, irq_names.
- *
- * LttvTracefileState also gives the cpu_name and, as it herits from
- * LttvTracefileContext, it gives the LttEvent structure, which is needed
- * to get facility name and event name.
- */
-struct _ItemInfo {
- gint x, y;
- LttvTraceState *ts;
- LttvTracefileState *tfs;
-};
-
-
-/*
- * The Item element is only used so the DrawOperation is modifiable by users.
- * During drawing, only the Hook is needed.
- */
-struct _DrawOperation {
- DrawableItems Item;
- LttvHooks *Hook;
-};
-
-/*
- * We define here each items that can be drawn, together with their
- * associated priority. Many item types can have the same priority,
- * it's only used for quicksorting the operations when we add a new one
- * to the array of operations to perform. Lower priorities are executed
- * first. So, for example, we may want to give background color a value
- * of 10 while a line would have 20, so the background color, which
- * is in fact a rectangle, does not hide the line.
- */
-
-static int Items_Priorities[] = {
- 50, /* ITEM_TEXT */
- 40, /* ITEM_ICON */
- 20, /* ITEM_LINE */
- 30, /* ITEM_POINT */
- 10 /* ITEM_BACKGROUND */
-};
-
-/*
- * Here are the different structures describing each item type that can be
- * drawn. They contain the information necessary to draw the item : not the
- * position (this is provided by the DrawContext), but the text, icon name,
- * line width, color; all the properties of the specific items.
- */
-struct _PropertiesText {
- GdkColor *foreground;
- GdkColor *background;
- gint size;
- gchar *Text;
- RelPos position;
-};
-
-
-struct _PropertiesIcon {
- gchar *icon_name;
- gint width;
- gint height;
- RelPos position;
-};
-
-struct _PropertiesLine {
- GdkColor *color;
- gint line_width;
- GdkLineStyle style;
- RelPos position;
-};
-
-struct _PropertiesArc {
- GdkColor *color;
- gint size; /* We force circle by width = height */
- gboolean filled;
- RelPos position;
-};
-
-struct _PropertiesBG {
- GdkColor *color;
-};
+#define MAX_PATH_LEN 256
/* Drawing hook functions */
gboolean draw_text( void *hook_data, void *call_data)
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;
- GdkBitmap *mask = g_new(GdkBitmap, 1);
- GdkPixmap *icon_pixmap = g_new(GdkPixmap, 1);
- GdkGC *gc = gdk_gc_new(Draw_Context->drawable);
- gdk_gc_copy(gc, Draw_Context->gc);
-
- icon_pixmap = gdk_pixmap_create_from_xpm(Draw_Context->drawable, &mask, NULL,
- Properties->icon_name);
-
- gdk_gc_set_clip_mask(gc, mask);
+ 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,
- gc,
- icon_pixmap,
+ Draw_Context->gc,
+ icon_info->pixmap,
0, 0,
Draw_Context->Current->modify_over->x,
Draw_Context->Current->modify_over->y,
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,
- gc,
- icon_pixmap,
+ 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,
- gc,
- icon_pixmap,
+ Draw_Context->gc,
+ icon_info->pixmap,
0, 0,
Draw_Context->Current->modify_under->x,
Draw_Context->Current->modify_under->y,
break;
}
- g_free(gc);
+ gdk_gc_set_clip_origin(Draw_Context->gc, 0, 0);
+ gdk_gc_set_clip_mask(Draw_Context->gc, NULL);
return 0;
}
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,