1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
/**
* @file src/gwin/gwin_keyboard.h
* @brief GWIN Graphic window subsystem header file.
*
* @defgroup VirtualKeyboard VirtualKeyboard
* @ingroup Widgets
*
* @brief Keyboard widget. Used to provide a virtual on-screen keyboard.
*
* @details GWIN allows it to easily create buttons with different styles
* and check for different meta states such as: PRESSED, CLICKED,
* RELEASED etc.
*
* @pre GFX_USE_GWIN must be set to GFXON in your gfxconf.h
* @pre GWIN_NEED_BUTTON must be set to GFXON in your gfxconf.h
* @{
*/
#ifndef _GWIN_KEYBOARD_H
#define _GWIN_KEYBOARD_H
/* This file is included within "src/gwin/gwin_widget.h" */
/**
* @brief The Event Type for a Button Event
*/
#define GEVENT_GWIN_KEYBOARD (GEVENT_GWIN_CTRL_FIRST+6)
/**
* @brief A Keyboard Event
* @note There are currently no GEventGWinButton listening flags - use 0 as the flags to @p gwinAttachListener()
*/
typedef GEventGWin GEventGWinKeyboard;
/**
* @brief The internal keyboard flags and other defines
* @note Used only for writing a custom draw routine.
* @{
*/
#define GKEYBOARD_FLG_REVERTSET 0x01
#define GKEYBOARD_FLG_QUICKUPDATE 0x02
#define GKEY_BAD_ROWCOL 255
/** @} */
/**
* @brief The keyboard widget structure
* @note Do not use the members directly - treat it as a black-box.
*/
typedef struct GKeyboardObject {
GWidgetObject w;
const struct GVKeyTable *keytable;
const char **keyset;
gCoord keyx, keyy;
gCoord keycx, keycy;
uint8_t lastkeyrow, lastkeycol;
uint8_t keyrow, keycol;
uint32_t key;
} GKeyboardObject;
/**
* @brief Create a keyboard widget.
* @return NULL if there is no resultant drawing area, otherwise a window handle.
*
* @param[in] g The GDisplay to display this window on
* @param[in] gb The GKeyboardObject structure to initialise. If this is NULL the structure is dynamically allocated.
* @param[in] pInit The initialisation parameters
*
* @note The drawing color and the background color get set to the current defaults. If you haven't called
* @p gwinSetDefaultColor() or @p gwinSetDefaultBgColor() then these are GFX_WHITE and GFX_BLACK respectively.
* @note The font gets set to the current default font. If you haven't called @p gwinSetDefaultFont() then there
* is no default font and text drawing operations will no nothing.
* @note A keyboard remembers its normal drawing state. If there is a window manager then it is automatically
* redrawn if the window is moved or its visibility state is changed.
* @note A keyboard supports mouse input.
*
* @api
*/
GHandle gwinGKeyboardCreate(GDisplay *g, GKeyboardObject *gb, const GWidgetInit *pInit);
#define gwinKeyboardCreate(gb, pInit) gwinGKeyboardCreate(GDISP, gb, pInit)
/**
* @brief Get the keyboard event source for a GWIN virtual keyboard
* @return The event source handle or NULL if this is not a virtual keyboard
*
* @param[in] gh The GWIN virtual keyboard
*
* @note Normal GINPUT Keyboard events are returned by this event source.
*/
GSourceHandle gwinKeyboardGetEventSource(GHandle gh);
/**
* @brief Set the layout for the virtual keyboard
*
* @param[in] gh The GWIN virtual keyboard
* @param[in] layout The keyboard layout to use (described by gwin_keyboard_layout.h)
*
* @note Changing the layout resets the keyboard to key set 0 of the keyboard and cancels any
* pending shifts.
*/
void gwinKeyboardSetLayout(GHandle gh, const struct GVKeyTable *layout);
/**
* @defgroup Renderings_Keyboard Renderings
*
* @brief Built-in rendering functions for the keyboard widget.
*
* @details These function may be passed to @p gwinSetCustomDraw() to get different keyboard drawing styles.
*
* @note In your custom keyboard drawing function you may optionally call these
* standard functions and then draw your extra details on top.
* @note The built-in functions below ignore the param parameter.
* @note These custom drawing routines don't have to worry about setting clipping as the framework
* sets clipping to the object window prior to calling these routines.
*
* @{
*/
/**
* @brief The default rendering function for the keyboard widget
*
* @param[in] gw The widget object (must be a keyboard object)
* @param[in] param A parameter passed in from the user. Ignored by this function.
*
* @api
*/
void gwinKeyboardDraw_Normal(GWidgetObject *gw, void *param);
/** @} */
#endif /* _GWIN_KEYBOARD_H */
/** @} */
|
