?? keys.h
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/*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);
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