diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Fl_Text_Display.cxx | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/Fl_Text_Display.cxx b/src/Fl_Text_Display.cxx index 0923aa2ff..f6c3f50c2 100644 --- a/src/Fl_Text_Display.cxx +++ b/src/Fl_Text_Display.cxx @@ -25,6 +25,7 @@ #include "flstring.h" #include <limits.h> #include <ctype.h> +#include <string.h> // strdup() #include <FL/Fl.H> #include <FL/Fl_Text_Buffer.H> #include <FL/Fl_Text_Display.H> @@ -158,7 +159,7 @@ Fl_Text_Display::Fl_Text_Display(int X, int Y, int W, int H, const char* l) linenumber_fgcolor_ = FL_INACTIVE_COLOR; linenumber_bgcolor_ = 53; // ~90% gray linenumber_align_ = FL_ALIGN_RIGHT; - linenumber_format_ = "%d"; + linenumber_format_ = strdup("%d"); #endif } @@ -180,6 +181,10 @@ Fl_Text_Display::~Fl_Text_Display() { mBuffer->remove_predelete_callback(buffer_predelete_cb, this); } if (mLineStarts) delete[] mLineStarts; + if (linenumber_format_) { + free((void*)linenumber_format_); + linenumber_format_ = 0; + } } @@ -321,7 +326,13 @@ Fl_Align Fl_Text_Display::linenumber_align() const { /** Sets the printf() style format string used for line numbers. - Default is "%d" for normal unpadded decimal integers. Example values: + Default is "%d" for normal unpadded decimal integers. + + An internal copy of \p val is allocated and managed; + it is automatically freed whenever a new value is assigned, + or when the widget is destroyed. + + Example values: - "%d" -- For normal line numbers without padding (Default) - "%03d" -- For 000 padding @@ -332,7 +343,8 @@ Fl_Align Fl_Text_Display::linenumber_align() const { */ void Fl_Text_Display::linenumber_format(const char* val) { #if FLTK_ABI_VERSION >= 10303 - linenumber_format_ = val; + if ( linenumber_format_ ) free((void*)linenumber_format_); + linenumber_format_ = val ? strdup(val) : 0; #else // do nothing #endif |