/*cellwriter -- a character recognition input methodCopyright (C) 2007 Michael Levin <risujin@risujin.org>This program is free software; you can redistribute it and/ormodify it under the terms of the GNU General Public Licenseas published by the Free Software Foundation; either version 2of the License, or (at your option) any later version.This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with this program; if not, write to the Free SoftwareFoundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.*//*        Key events*/typedef struct {        unsigned char keycode, shift;        unsigned int keysym;} KeyEvent;extern int key_shifted, key_num_locked, key_caps_locked;void key_event_new(KeyEvent *key_event, unsigned int keysym);void key_event_free(KeyEvent *key_event);void key_event_press(KeyEvent *key_event);void key_event_release(KeyEvent *key_event);void key_event_send_char(int unichar);void key_event_send_enter(void);void key_event_update_mappings(void);/*        Key widget*//* Key flags */#define KEY_ARROW               0x0001#define KEY_TOGGLE_ON           0x0002#define KEY_TOGGLE_OFF          0x0003#define KEY_ICON_MASK           0x000f#define KEY_STICKY              0x0010#define KEY_SHIFT               0x0020#define KEY_SHIFTABLE           0x0040#define KEY_CAPS_LOCK           0x0080#define KEY_ICON_SHIFT          0x0100#define KEY_NUM_LOCK            0x0200#define KEY_NUM_LOCKABLE        0x0400typedef struct {        char active;        short flags;        const char *string, *string_shift;        unsigned int keysym, keysym_shift;        int x, y, width, height, rotate;        KeyEvent key_event;} Key;typedef struct {        GtkWidget *drawing_area;        GdkPixmap *pixmap;        GdkGC *pixmap_gc;        cairo_t *cairo;        PangoContext *pango;        PangoFontDescription *pango_font_desc;        int slaved, len, max_len, x, y, width, height, active, x_range, y_range,            min_height;        Key keys[];} KeyWidget;extern int keyboard_size;/* Create slaved or non-slaved keyboard */KeyWidget *key_widget_new_small(GtkWidget *drawing_area);KeyWidget *key_widget_new_full(void);/* Functions for slaved keyboards only */gboolean key_widget_button_press(GtkWidget *widget, GdkEventButton *event,                                 KeyWidget *key_widget);gboolean key_widget_button_release(GtkWidget *widget, GdkEventButton *event,                                   KeyWidget *key_widget);void key_widget_render(KeyWidget *key_widget);void key_widget_configure(KeyWidget *key_widget, int x, int y,                          int width, int height);/* Functions to update keyboards */int key_widget_update_colors(void);void key_widget_cleanup(KeyWidget *key_widget);