diff options
Diffstat (limited to 'include/gwin/console.h')
| -rw-r--r-- | include/gwin/console.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/gwin/console.h b/include/gwin/console.h index a2dde96b..850c5a57 100644 --- a/include/gwin/console.h +++ b/include/gwin/console.h @@ -31,6 +31,13 @@ typedef struct GConsoleObject { GWindowObject g; coord_t cx, cy; // Cursor position + #if GWIN_CONSOLE_NEED_HISTORY + char* buffer; // buffer to store console content + uint16_t last_char; // the last rendered character + size_t size; // size of buffer + bool_t store; // shall PutChar() store into buffer + #endif + #if GFX_USE_OS_CHIBIOS && GWIN_CONSOLE_USE_BASESTREAM struct GConsoleWindowStream_t { const struct GConsoleWindowVMT_t *vmt; @@ -82,6 +89,22 @@ GHandle gwinGConsoleCreate(GDisplay *g, GConsoleObject *gc, const GWindowInit *p BaseSequentialStream *gwinConsoleGetStream(GHandle gh); #endif +#if GWIN_CONSOLE_NEED_HISTORY + /** + * @brief Assing a buffer to keep track of the content while the widget is invisible. + * @pre GWIN_CONSOLE_NEED_HISTORY must be set to TRUE in your gfxconf.h + * + * @param[in] gh The window handle (must be a console window) + * @param[in] buffer The pointer of the buffer that shall be used. Buffer will be + * dynamically allocated when this is NULL. + * @param[in] size Size of the buffer that has been passed. If buffer is NULL, this + * will be the size of the dynamically allocated buffer. + * + * @return TRUE on success + */ + bool_t gwinConsoleSetBuffer(GHandle gh, void* buffer, size_t size); +#endif + /** * @brief Put a character at the cursor position in the window. * @note Uses the current foreground color to draw the character and fills the background using the background drawing color |