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| 1 | /* |
| 2 | * gui_util.h - GUI helper functions |
| 3 | * |
| 4 | * Written 2009, 2010 by Werner Almesberger |
| 5 | * Copyright 2009, 2010 by Werner Almesberger |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | */ |
| 12 | |
| 13 | |
| 14 | #ifndef GUI_UTIL_H |
| 15 | #define GUI_UTIL_H |
| 16 | |
| 17 | #include <gtk/gtk.h> |
| 18 | |
| 19 | #include "coord.h" |
| 20 | |
| 21 | |
| 22 | struct draw_ctx { |
| 23 | GtkWidget *widget; |
| 24 | int scale; |
| 25 | struct coord center; |
| 26 | }; |
| 27 | |
| 28 | struct pix_buf { |
| 29 | GdkDrawable *da; |
| 30 | int x, y; |
| 31 | GdkPixbuf *buf; |
| 32 | }; |
| 33 | |
| 34 | |
| 35 | extern struct draw_ctx draw_ctx; |
| 36 | |
| 37 | |
| 38 | #define DA GDK_DRAWABLE(draw_ctx.widget->window) |
| 39 | |
| 40 | |
| 41 | GdkColor get_color(const char *spec); |
| 42 | |
| 43 | void set_width(GdkGC *gc, int width); |
| 44 | |
| 45 | void free_pix_buf(struct pix_buf *buf); |
| 46 | struct pix_buf *save_pix_buf(GdkDrawable *da, int xa, int ya, int xb, int yb, |
| 47 | int border); |
| 48 | void restore_pix_buf(struct pix_buf *buf); |
| 49 | |
| 50 | void draw_arc(GdkDrawable *da, GdkGC *gc, int fill, |
| 51 | int x, int y, int r, double a1, double a2); |
| 52 | void draw_circle(GdkDrawable *da, GdkGC *gc, int fill, |
| 53 | int x, int y, int r); |
| 54 | |
| 55 | /* tooltips are optional (use NULL for none) */ |
| 56 | |
| 57 | GtkWidget *label_in_box_new(const char *s, const char *tooltip); |
| 58 | GtkWidget *box_of_label(GtkWidget *label); |
| 59 | void label_in_box_fg(GtkWidget *box, const char *color); |
| 60 | void label_in_box_bg(GtkWidget *box, const char *color); |
| 61 | |
| 62 | void vacate_widget(GtkWidget *widget); |
| 63 | |
| 64 | GtkWidget *make_image(GdkDrawable *drawable, char **xpm, const char *tooltip); |
| 65 | GtkWidget *make_transparent_image(GdkDrawable *drawable, char **xpm, |
| 66 | const char *tooltip); |
| 67 | void set_image(GtkWidget *widget, GtkWidget *image); |
| 68 | GtkWidget *tool_button(GtkWidget *bar, GdkDrawable *drawable, |
| 69 | char **xpm, const char *tooltip, |
| 70 | gboolean (*cb)(GtkWidget *widget, GdkEventButton *event, gpointer data), |
| 71 | gpointer data); |
| 72 | |
| 73 | void render_text(GdkDrawable *da, GdkGC *gc, int x, int y, double angle, |
| 74 | const char *s, const char *font, double xalign, double yalign, |
| 75 | int xmax, int ymax); |
| 76 | |
| 77 | void debug_save_pixbuf(GdkPixbuf *buf); |
| 78 | void debug_save_widget(GtkWidget *widget); |
| 79 | |
| 80 | void destroy_all_children(GtkContainer *container); |
| 81 | |
| 82 | int get_widget_width(GtkWidget *widget); |
| 83 | |
| 84 | #endif /* !GUI_UTIL_H */ |
| 85 |
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