diff options
| author | Andrew Hannam <Andrew Hannam> | 2016-07-10 10:42:21 +1000 |
|---|---|---|
| committer | Andrew Hannam <Andrew Hannam> | 2016-07-10 10:42:21 +1000 |
| commit | 9ac3c368b4de8e2f38bad56262c75d3310c8814b (patch) | |
| tree | 973fb9bf591398e6826a25f64e9975cc5f06a51b /src/gwin/gwin_widget.h | |
| parent | ed9b268d5bce5fe6d703bc785034191312782db0 (diff) | |
| download | uGFX-9ac3c368b4de8e2f38bad56262c75d3310c8814b.tar.gz uGFX-9ac3c368b4de8e2f38bad56262c75d3310c8814b.tar.bz2 uGFX-9ac3c368b4de8e2f38bad56262c75d3310c8814b.zip | |
Add gwinPrintg() and fix null pointer handling in sprintg()
Diffstat (limited to 'src/gwin/gwin_widget.h')
| -rw-r--r-- | src/gwin/gwin_widget.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/gwin/gwin_widget.h b/src/gwin/gwin_widget.h index ceba235b..ece98a06 100644 --- a/src/gwin/gwin_widget.h +++ b/src/gwin/gwin_widget.h @@ -231,6 +231,24 @@ void gwinSetText(GHandle gh, const char *text, bool_t useAlloc); */ const char *gwinGetText(GHandle gh); +#if (GFX_USE_GFILE && GFILE_NEED_PRINTG && GFILE_NEED_STRINGS) || defined(__DOXYGEN__) + /** + * @brief Set the text of a widget using a printf style format. + * @pre GFX_USE_GFILE, GFILE_NEED_PRINTG and GFILE_NEED_STRINGS must all be TRUE + * + * @param[in] gh The widget handle + * @param[in] fmt The format string using a printf/g syntax. See @p vsnprintg() + * @param[in] ... The printg paramters. + * + * @note The widget is automatically redrawn + * @note Non-widgets will ignore this call. + * @note The memory for the text is always allocated by this function. + * + * @api + */ + void gwinPrintg(GHandle gh, const char * fmt,...); +#endif + /** * @brief Check whether a handles is a widget handle or not * |