MTK 虚拟键盘与输入法
一、 虚拟键盘
Typedef struct
{
BOOLenable_dead_key;
S16n_matrix_layout;
S16n_custom_keys; //用户自定义按键个数
UI_character_typematrix_string[MMI_VKBD_MAX_ROM][MMI_VKBD_MAX_COLUMN + 1];//键盘矩阵
UI_character_typecustom_string[MMI_VKBD_MAX_CUSTOM_KEYS]; //用户自定义按键
MMI_ID_TYPEcustom_key_image[MMI_VKBD_MAX_CUSTOM_KEYS]; //自定义按键图片
Gui_virtual_keyboard_pen_enumcustom_key_type[MMI_VKBD_MAX_CUSTOM_KEYS];//用户自定义按键类型(按键功能：输入字符型、删除字符等)
}gui_keyboard_language_struct;
Typedef struct
{
S16width; //虚拟键盘的宽
S16height; //虚拟键盘的高
S16n_matrix_key_layout;
S16n_custom_keys; //用户自定义按键个数
Constgui_matrix_key_layout_struct *matrix_layout; //矩阵按键的排布(大小相同的按键)
Constgui_custom_key_layout_struct[s1] *custom_keys; //用户自定义按键在虚拟键盘上的排布坐标
U16ImageId; //虚拟键盘布局图片ID
}gui_keyboard_layout_struct;
Typedef struct
{
S16x,y; //客户自定义按键的x,y坐标(相对虚拟键盘坐标而言)
S16key_width,key_height; //客户自定义按键的宽度，高度。
}gui_custom_key_layout_struct;
Typedef struct
{
S16x,y; //原有矩阵按键的x,y坐标(相对虚拟键盘坐标而言)
S16n_columns,n_rows; //矩阵列数，行数
S16width,height; //矩阵区域的宽度和高度
S16key_width,key_height; //矩阵按键的宽度，高度
S16horizontal_key_gap,vertical_key_gap; //矩阵按键之间水平间隙，垂直间隙(此间隙只对矩阵按键有效)
}gui_matrix_key_layout_struct;
Typedef struct
{
Gui_virtual_keyboard_language_enumlang; //虚拟键盘支持的语言类型
Const_gui_keyboard_layout_struct*virtual_keyboard_layout; //虚拟键盘布局排布
Const_gui_keyboard_language_struct*virtual_keyboard_language; //虚拟键盘上要显示的字符
}gui_keyboard_lang_map_struct,*gui_keyboard_lang_map_struct_p;
gui_keyboard_lang_map_structMMI_virtual_keyboard_language_map[]; //此数组将虚拟键盘的排布和字符结合在一起
typedef struct virtual_keyboard_struct
{
S16x,y;
S16width,height;
U32flags;
Gui_virtual_keyboard_language_enumlang_type;
UI_virtual_keyboard_theme*keyboard_theme;
UI_character_typedisp_area_text[MMI_VKBD_MAX_DISPLAY_AREA_TEXT_LEN+1];;
ConstUI_character_type*allowed_characters;
UI_character_typedisable_chars[MMI_VKBD_MAX_DISABLED_KEYS + 1];
Gui_virtual_keyboard_pen_enumdisabled_symbols[MMI_VKBD_MAX_DISABLED_KEYS + 1];
MMI_BOOLkey_down_accepted;
UI_character_typedead_key_input[MMI_VKBD_MAX_DEADKEY_INPUT];
MMI_BOOLselected_key_cached;
Virtual_keyboard_selection_structselected_key;
Gdi_image_cache_bmp_structselected_key_bitmap;
Void(*hide_callback)(S32 x1,S32 y1,S32 x2,S32 y2);
Void(*display_callback)(gui_vkbd_display_callback_type_enum *flag,PU8 *content);
#ifdef__MMI_VK_POPUP_HINT__
MMI_BOOLactive;
Void(*hide_cursor_callback)(S32 x1,S32 y1,S32 x2,S32 y2);
Void(*blink_cursor_callback)(void);
Gdi_image_cache_bmp_structselected_key_enlarged_bitmap;
#endif
}virtual_keyboard;
gui_create_virtual_keyboard(); //创建虚拟键盘
gui_show_virtual_keyboard(); //显示虚拟键盘
gui_virtual_keyboard_translate_pen_event(); //
gui_virtual_keyboard_get_current_character(); //
gui_virtual_keyboard_translate_pen_position(); //判断触摸位置是否在虚拟键盘范围中
gui_virtual_keyboard_get_selected_key(); //用于获得事件发生位置的字符
gui_virtual_keyboard_is_key_disable() //此函数中判断虚拟键盘上哪些按键可以禁用
gui_set_virtual_keyboard_allowed_characters() //用来设置虚拟键盘上允许显示的按键
gui_virtual_keyboard_cache_and_show_selected_key_for_large_icon()//此函数用来放大选择的字符
gui_virtual_keyboard_is_key_disable() //函数用来禁用掉某些按键
gui_virtual_keyboard_show_selected_key() //
虚拟键盘的显示与隐藏主要体现在输入法的切换方面，因此需要修改代码的地方在文件EditorPen.c里面。主要修改的函数是mmi_pen_editor_vk_show和mmi_pen_editor_set_virtual_keyboard_by_input_mode.
输入法提示符的显示：
每当我们切换一个输入法的时候，左上角就会显示当前输入法的名称。改功能在wgui_categories_input.c文件中的wgui_get_inputbox_information_icon和wgui_redraw_input_information_bar函数中实现。
{GUI_VIRTUAL_KEYBOARD_ENGLISH_UPPERCASE,&gui_virtual_keyboard_standard_layout,&gui_keyboard_english_uppercase_string};
Static const gui_keyboard_layout_structgui_virtual_keyboard_standard_layout =
{
MMI_VKBD_STANDARD_WIDTH,
MMI_VKBD_STANDARD_HEIGHT,
1,
21,
&gui_standard_matrix_layout,
Gui_standard_custom_key_layout,
IMG_VKBD_STANDARD
};
Static const gui_matrix_key_layout_structgui_standard_matrix_layout =
{
2,11,
10,1,
320,40,
28,40,
4,14
}
Static const gui_custom_key_layout_strucgui_standard_custom_key_layout[]=
{
{18,65,28,40},
{50,65,28,40},
{82,65,28,40},
{114,65,28,40},
{146,65,28,40},
{178,65,28,40},
{210,65,28,40},
{242,65,28,40},
{274,65,28,40},
{2,119,38,40},
{50,119,28,40},
{82,119,28,40},
{114,119,28,40},
{146,119,28,40},
{178,119,28,40},
{210,119,28,40},
{242,119,28,40},
{280,119,28,40},
{2, 173,76,40},
{82,173,156,40},
{242,173,76,40}
}
Static const gui_keyboard_language_structgui_keyboard_english_uppercase_string =
{
MMI_FALSE,
1,
21,
{
{‘Q’,’W’,’E’,’R’,’T’,’Y’,’U’,’I’,’O’,’P’}
}
{
‘A’,’S’,’D’, ’F’, ’G’, ’H’, ’J’, ’K’, ’L’,
’\0’, ’Z’, ’X’, ’C’, ’V’, ’B’, ’N’, ’M’, ’\0’,
’\0’, ’\0’, ’\0’,
}
{
0,0,0,0,0,0,0,0,0,
IMG_VKBD_CUSTOM_CAPSLOCK,0,0,0,0,0,0,0,IMG_VKBD_CUSTOM_BRACKET,
IMG_VKBD_CUSTOM_IM_ICON_CAP_ABC,IMG_VKBD_CUSTOM_SPACE,IMG_VKBD_CUSTOM_SYMBPICKER,
}
{
GUI_VKBD_PEN_CHAR_I,GUI_VKBD_PEN_CHAR_I, GUI_VKBD_PEN_CHAR_I,
GUI_VKBD_PEN_CHAR_I,GUI_VKBD_PEN_CHAR_I, GUI_VKBD_PEN_CHAR_I,
GUI_VKBD_PEN_CHAR_I,GUI_VKBD_PEN_CHAR_I, GUI_VKBD_PEN_CHAR_I,
GUI_VKBD_PEN_CAPSLOCK,GUI_VKBD_PEN_CHAR_I, GUI_VKBD_PEN_CHAR_I,
GUI_VKBD_PEN_CHAR_I,GUI_VKBD_PEN_CHAR_I, GUI_VKBD_PEN_CHAR_I,
GUI_VKBD_PEN_CHAR_I,GUI_VKBD_PEN_CHAR_I, GUI_VKBD_PEN_BAKSPACE,
GUI_VKBD_PEN_DISPLAY_CALLBACK,GUI_VKBD_PEN_SPACE,GUI_VKBD_PEN_SYMBPICKER,
}
};
绘制后，虚拟键盘显示如下：
虚拟键盘文件gui_virtual_keyboard.c wgui_virtual_keyboard.c
输入法待续。。。