state update hooks are added by the main window
[lttv.git] / ltt / branches / poly / lttv / modules / guiControlFlow / Draw_Item.c
index c02725be7807ffa01086b95803e85b104ee16ce4..c73aee01c26dadb26e7a64e8f081382d1ecb91f9 100644 (file)
@@ -68,7 +68,8 @@
  * 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)
@@ -215,74 +98,93 @@ gboolean draw_text( void *hook_data, void *call_data)
 
        PangoContext *context;
        PangoLayout *layout;
+       PangoAttribute *attribute;
        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 = Draw_Context->pango_layout;
 
-       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_context_changed(layout);
+
        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,
+                                                       gdk_draw_layout_with_colors(Draw_Context->drawable,
+                                                               Draw_Context->gc,
                                                                Draw_Context->Current->modify_over->x,
                                                                Draw_Context->Current->modify_over->y,
-                                                               layout);
+                                                               layout, Properties->foreground, Properties->background);
                                                        Draw_Context->Current->modify_over->x += ink_rect.width;
 
                        break;
                case MIDDLE:
-                                                       gdk_draw_layout(Draw_Context->drawable, Draw_Context->gc,
+                                                       gdk_draw_layout_with_colors(Draw_Context->drawable,
+                                                               Draw_Context->gc,
                                                                Draw_Context->Current->modify_middle->x,
                                                                Draw_Context->Current->modify_middle->y,
-                                                               layout);
+                                                               layout, Properties->foreground, Properties->background);
                                                        Draw_Context->Current->modify_middle->x += ink_rect.width;
                        break;
                case UNDER:
-                                                       gdk_draw_layout(Draw_Context->drawable, Draw_Context->gc,
+                                                       gdk_draw_layout_with_colors(Draw_Context->drawable,
+                                                               Draw_Context->gc,
                                                                Draw_Context->Current->modify_under->x,
                                                                Draw_Context->Current->modify_under->y,
-                                                               layout);
+                                                               layout, Properties->foreground, Properties->background);
                                                        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;
 
-       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,
@@ -292,21 +194,28 @@ gboolean draw_icon( void *hook_data, void *call_data)
 
                        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,
@@ -316,7 +225,8 @@ gboolean draw_icon( void *hook_data, void *call_data)
                        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;
 }
@@ -325,8 +235,11 @@ 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);
+       //GdkGC *gc = gdk_gc_new(Draw_Context->drawable);
+       
+       //gdk_gc_set_foreground(Draw_Context->gc, Properties->color);
+       gdk_gc_set_rgb_fg_color(Draw_Context->gc, Properties->color);
+       //gdk_gc_set_foreground(gc, Properties->color);
        gdk_gc_set_line_attributes(     Draw_Context->gc,
                                                                                                                        Properties->line_width,
                                                                                                                        Properties->style,
@@ -363,7 +276,9 @@ gboolean draw_line( void *hook_data, void *call_data)
 
                        break;
        }
-
+       
+       //gdk_gc_unref(gc);
+       
        return 0;
 }
 
@@ -372,7 +287,8 @@ 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);
+       //gdk_gc_set_foreground(Draw_Context->gc, Properties->color);
+       gdk_gc_set_rgb_fg_color(Draw_Context->gc, Properties->color);
 
        switch(Properties->position) {
                case OVER:
@@ -382,7 +298,6 @@ gboolean draw_arc( void *hook_data, void *call_data)
                                                        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,
@@ -413,7 +328,8 @@ 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_gc_set_foreground(Draw_Context->gc, Properties->color);
+       gdk_gc_set_rgb_fg_color(Draw_Context->gc, Properties->color);
 
 
        gdk_draw_rectangle(Draw_Context->drawable, Draw_Context->gc,
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