148 lines
5.1 KiB
C
148 lines
5.1 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://chibios-gfx.com/license.html
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*/
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/**
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* @file include/gwin/console.h
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* @brief GWIN Graphic window subsystem header file.
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*
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* @defgroup Console Console
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* @ingroup GWIN
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*
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* @details GWIN allows it to create a console/terminal like window.
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* You can simply use chprintf() to print to the terminal.
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*
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* @pre GFX_USE_GWIN must be set to TRUE in your gfxconf.h
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* @pre GWIN_NEED_CONSOLE must be set to TRUE in your gfxconf.h
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*
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* @{
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*/
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#ifndef _GWIN_CONSOLE_H
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#define _GWIN_CONSOLE_H
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/* This file is included within "gwin/gwin.h" */
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// A console window. Supports wrapped text writing and a cursor.
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typedef struct GConsoleObject {
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GWindowObject g;
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coord_t cx, cy; // Cursor position
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#if GFX_USE_OS_CHIBIOS && GWIN_CONSOLE_USE_BASESTREAM
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struct GConsoleWindowStream_t {
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const struct GConsoleWindowVMT_t *vmt;
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_base_asynchronous_channel_data
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} stream;
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#endif
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} GConsoleObject;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Create a console window.
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* @details A console window allows text to be written.
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* @note Text in a console window supports newlines and will wrap text as required.
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* @return NULL if there is no resultant drawing area, otherwise a window handle.
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*
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* @param[in] gc The GConsoleObject structure to initialise. If this is NULL the structure is dynamically allocated.
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* @param[in] pInit The initialization parameters to use
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*
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* @note The drawing color and the background color get set to the current defaults. If you haven't called
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* @p gwinSetDefaultColor() or @p gwinSetDefaultBgColor() then these are White and Black respectively.
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* @note The font gets set to the current default font. If you haven't called @p gwinSetDefaultFont() then there
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* is no default font and text drawing operations will no nothing.
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* @note On creation even if the window is visible it is not automatically cleared.
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* You may do that by calling @p gwinClear() (possibly after changing your background color)
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* @note A console does not save the drawing state. It is not automatically redrawn if the window is moved or
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* its visibility state is changed.
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*
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* @api
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*/
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GHandle gwinConsoleCreate(GConsoleObject *gc, const GWindowInit *pInit);
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#if GFX_USE_OS_CHIBIOS && GWIN_CONSOLE_USE_BASESTREAM
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/**
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* @brief Get a stream from a console window suitable for use with chprintf().
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* @return The stream handle or NULL if this is not a console window.
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*
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* @param[in] gh The window handle (must be a console window)
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*
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* @note Only useful in ChibiOS
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*
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* @api
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*/
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BaseSequentialStream *gwinConsoleGetStream(GHandle gh);
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#endif
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/**
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* @brief Put a character at the cursor position in the window.
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* @note Uses the current foreground color to draw the character and fills the background using the background drawing color
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*
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* @param[in] gh The window handle (must be a console window)
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* @param[in] c The character to draw
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*
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* @api
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*/
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void gwinPutChar(GHandle gh, char c);
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/**
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* @brief Put a string at the cursor position in the window. It will wrap lines as required.
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* @note Uses the current foreground color to draw the string and fills the background using the background drawing color
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*
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* @param[in] gh The window handle (must be a console window)
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* @param[in] str The string to draw
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*
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* @api
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*/
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void gwinPutString(GHandle gh, const char *str);
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/**
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* @brief Put the character array at the cursor position in the window. It will wrap lines as required.
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* @note Uses the current foreground color to draw the string and fills the background using the background drawing color
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*
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* @param[in] gh The window handle (must be a console window)
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* @param[in] str The string to draw
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* @param[in] n The number of characters to draw
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*
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* @api
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*/
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void gwinPutCharArray(GHandle gh, const char *str, size_t n);
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/**
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* @brief Print a formatted string at the cursor position in the window. It will wrap lines as required.
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* @details This function implements a minimal printf() like functionality
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* The general parameters format is: %[-][width|*][.precision|*][l|L]p.
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* The following parameter types (p) are supported:
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* - <b>x</b> hexadecimal integer.
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* - <b>X</b> hexadecimal long.
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* - <b>o</b> octal integer.
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* - <b>O</b> octal long.
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* - <b>d</b> decimal signed integer.
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* - <b>D</b> decimal signed long.
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* - <b>u</b> decimal unsigned integer.
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* - <b>U</b> decimal unsigned long.
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* - <b>c</b> character.
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* - <b>s</b> string.
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* @note Uses the current foreground color to draw the string and fills the background using the background drawing color
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*
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* @param[in] gh The window handle (must be a console window)
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* @param[in] fmt The format string (as per printf)
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* @param[in] ... The format string arguments.
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*
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* @api
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*/
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void gwinPrintf(GHandle gh, const char *fmt, ...);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _GWIN_CONSOLE_H */
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/** @} */
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