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/*
* gui_util.h - GUI helper functions
*
* Written 2009, 2010 by Werner Almesberger
* Copyright 2009, 2010 by Werner Almesberger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef GUI_UTIL_H
#define GUI_UTIL_H
#include <gtk/gtk.h>
#include "coord.h"
struct draw_ctx {
GtkWidget *widget;
int scale;
struct coord center;
};
struct pix_buf {
GdkDrawable *da;
int x, y;
GdkPixbuf *buf;
};
extern struct draw_ctx draw_ctx;
#define DA GDK_DRAWABLE(draw_ctx.widget->window)
GdkColor get_color(const char *spec);
void set_width(GdkGC *gc, int width);
void free_pix_buf(struct pix_buf *buf);
struct pix_buf *save_pix_buf(GdkDrawable *da, int xa, int ya, int xb, int yb,
int border);
void restore_pix_buf(struct pix_buf *buf);
void draw_arc(GdkDrawable *da, GdkGC *gc, int fill,
int x, int y, int r, double a1, double a2);
void draw_circle(GdkDrawable *da, GdkGC *gc, int fill,
int x, int y, int r);
/* tooltips are optional (use NULL for none) */
GtkWidget *label_in_box_new(const char *s, const char *tooltip);
GtkWidget *box_of_label(GtkWidget *label);
void label_in_box_fg(GtkWidget *box, const char *color);
void label_in_box_bg(GtkWidget *box, const char *color);
void vacate_widget(GtkWidget *widget);
GtkWidget *make_image(GdkDrawable *drawable, char **xpm, const char *tooltip);
GtkWidget *make_transparent_image(GdkDrawable *drawable, char **xpm,
const char *tooltip);
void set_image(GtkWidget *widget, GtkWidget *image);
GtkWidget *tool_button(GtkWidget *bar, GdkDrawable *drawable,
char **xpm, const char *tooltip,
gboolean (*cb)(GtkWidget *widget, GdkEventButton *event, gpointer data),
gpointer data);
void render_text(GdkDrawable *da, GdkGC *gc, int x, int y, double angle,
const char *s, const char *font, double xalign, double yalign,
int xmax, int ymax);
void debug_save_pixbuf(GdkPixbuf *buf);
void debug_save_widget(GtkWidget *widget);
void destroy_all_children(GtkContainer *container);
int get_widget_width(GtkWidget *widget);
#endif /* !GUI_UTIL_H */
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