agbargraph.h

gnome/gtk+编程宝典的源代码.

/* agbargraph.h */

#ifndef __AG_BARGRAPH_H
#define __AG_BARGRAPH_H

#include <gtk/gtk.h>
#include <gtk/gtkwidget.h>

#ifdef __cplusplus
extern "C" {
#endif

#define AG_BARGRAPH(obj) \
    GTK_CHECK_CAST(obj,ag_bargraph_get_type(),AgBargraph)
#define AG_BARGRAPH_CLASS(klass) GTK_CHECK_CLASS_CAST( \
    klass,ag_bargraph_get_type(),AgBargraphClass)
#define AG_IS_BARGRAPH(obj) \
    GTK_CHECK_TYPE(obj,ag_bargraph_get_type())

typedef struct _AgBargraph AgBargraph;
typedef struct _AgBargraphClass AgBargraphClass;
typedef struct _AgBargraphBar AgBargraphBar;

struct _AgBargraph {
    GtkWidget widget;
    GdkColor *outside_color;
    GdkColor *inside_color;
    gint maximum_value;
    gint bar_count;
    gboolean contains_pointer;
    AgBargraphBar *bars;
    gchar *show_text;
    GdkFont *text_font;
};

struct _AgBargraphClass {
    GtkWidgetClass parent_class;
};

struct _AgBargraphBar {
    gchar *name;
    gint value;
    GdkGC *gc;
    gint x_right;
    gint x_left;
};

#define AG_BARGRAPH_MAXIMUM 100

GtkWidget *ag_bargraph_new(void);
guint ag_bargraph_get_type(void);
void ag_bargraph_add(AgBargraph *agbargraph,
        gchar *name,gint value);


#ifdef __cplusplus
}
#endif

#endif /* __AG_BARGRAPH_H */