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/*
* Copyright 2008 Department of Mathematical Sciences, New Mexico State University
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* DEPARTMENT OF MATHEMATICAL SCIENCES OR NEW MEXICO STATE UNIVERSITY BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _h_gectrl
#define _h_gectrl
#include <gtk/gtkdrawingarea.h>
#include "bdfP.h"
G_BEGIN_DECLS
#define GECONTROL(obj) \
(G_TYPE_CHECK_INSTANCE_CAST(obj, gecontrol_get_type(), GEControl))
#define GECONTROL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST(klass, gecontrol_get_type(), GEControlClass))
#define IS_GECONTROL(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE(obj, gecontrol_get_type()))
#define IS_GECONTROL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE(klass, gecontrol_get_type()))
#define GECONTROL_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS(obj, gecontrol_get_type(), GEControlClass))
typedef struct _GEControl GEControl;
typedef struct _GEControlClass GEControlClass;
typedef enum {
GECONTROL_DRAW = 0,
GECONTROL_MOVE,
GECONTROL_COPY,
GECONTROL_FLIP_HORIZONTAL,
GECONTROL_FLIP_VERTICAL,
GECONTROL_SHEAR,
GECONTROL_ROTATE_LEFT_90,
GECONTROL_ROTATE_RIGHT_90,
GECONTROL_ROTATE,
GECONTROL_SHIFT_UP_LEFT,
GECONTROL_SHIFT_UP,
GECONTROL_SHIFT_UP_RIGHT,
GECONTROL_SHIFT_LEFT,
GECONTROL_SHIFT_RIGHT,
GECONTROL_SHIFT_DOWN_LEFT,
GECONTROL_SHIFT_DOWN,
GECONTROL_SHIFT_DOWN_RIGHT,
GECONTROL_COLOR_CHANGE
} GEControlOperation;
/*
* Structure passed to the "activate" signal handler.
*/
typedef struct {
GEControlOperation operation;
gint color;
} GEControlActivateInfo;
typedef struct {
guchar *help;
gint x;
gint y;
GdkPixbuf *image;
GdkRegion *region;
gint other_toggles[2];
gboolean set;
gboolean toggle;
} GEControlButton;
typedef struct {
gint x;
gint y;
GdkRegion *region;
gboolean set;
} GEControlColor;
struct _GEControl {
GtkDrawingArea da;
/*
* Public fields.
*/
/*
* The glyph image.
*/
bdf_bitmap_t *gimage;
/*
* An application provided label widget where the help
* messages are set.
*/
GtkWidget *tip_label;
/*
* The list of colors to use.
*/
guint16 *colors;
/*
* Private fields.
*/
gint last_button;
/*
* The current color index.
*/
gint cidx;
/*
* 16 color spots. Used to track mouse position and update the tip label.
*/
GdkRectangle spot;
GdkRegion *spot_region;
/*
* Timer stuff for holding down the buttons.
*/
gint timer_count;
gint timer_button;
guint timer;
GdkPoint *points;
gint points_used;
gint points_size;
/*
* Buffer for building a grayscale glyph image.
*/
guchar *rgb;
guint rgb_used;
guint rgb_size;
GEControlButton buttons[18];
};
struct _GEControlClass {
GtkDrawingAreaClass parent_class;
/*
* A GC for drawing the color selection rectangle.
*/
GdkGC *selgc;
GdkPixbuf *draw;
GdkPixbuf *move;
GdkPixbuf *copy;
GdkPixbuf *fliph;
GdkPixbuf *flipv;
GdkPixbuf *shear;
GdkPixbuf *rleft;
GdkPixbuf *rright;
GdkPixbuf *rotate;
GdkPixbuf *uleft;
GdkPixbuf *up;
GdkPixbuf *uright;
GdkPixbuf *left;
GdkPixbuf *right;
GdkPixbuf *dleft;
GdkPixbuf *down;
GdkPixbuf *dright;
/*
* Signal handlers.
*/
void (*activate)(GtkWidget *, gpointer, gpointer);
};
extern GType gecontrol_get_type(void);
extern GtkWidget *gecontrol_new(const gchar *prop1, ...);
extern GtkWidget *gecontrol_newv(GtkWidget *tips_label, bdf_bitmap_t *image,
guint16 *colors);
extern void gecontrol_set_glyph_image(GEControl *ge, bdf_bitmap_t *image);
extern void gecontrol_update_glyph_image(GEControl *ge, bdf_bitmap_t *image);
extern void gecontrol_set_color_list(GEControl *ge, guint16 *colors);
extern void gecontrol_change_operation(GEControl *ge, GEControlOperation op);
extern void gecontrol_change_color(GEControl *ge, gint cidx);
G_END_DECLS
#endif /* _h_gectrl */
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