diff options
Diffstat (limited to 'recipes/qte/qte-2.3.10/tslib.patch')
| -rw-r--r-- | recipes/qte/qte-2.3.10/tslib.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/recipes/qte/qte-2.3.10/tslib.patch b/recipes/qte/qte-2.3.10/tslib.patch new file mode 100644 index 0000000000..47837d7a5d --- /dev/null +++ b/recipes/qte/qte-2.3.10/tslib.patch @@ -0,0 +1,53 @@ +Index: qt-2.3.10/src/kernel/qwsmouse_qws.cpp +=================================================================== +--- qt-2.3.10.orig/src/kernel/qwsmouse_qws.cpp 2005-02-16 00:53:53.090339898 +0100 ++++ qt-2.3.10/src/kernel/qwsmouse_qws.cpp 2005-02-16 00:54:43.059069292 +0100 +@@ -1878,30 +1878,33 @@ + */ + void QTSLibHandlerPrivate::interpolateSample() { + #ifdef QT_QWS_TSLIB +- static struct ts_sample samples[25]; +- int index = -1; ++#define TSLIB_MAX_SAMPLES 25 ++ static struct ts_sample samples[TSLIB_MAX_SAMPLES]; ++ int index = 0; ++ int read_samples = 0; + int ret; + + do { +- /* fill only the last sample again */ +- if ( index >= 25 ) +- index = 24; +- ++ /* do not access negative arrays */ ++ if ( index < 0 ) ++ index = 0; ++ + /* we're opened non-blocking */ +- if((ret= ts_read_raw(m_ts, &samples[index], 1 ) ) != 1 ) { ++ if((ret= ts_read_raw(m_ts, &samples[index], 1 ) ) != 1 ) + /* no event yet, so try again */ +- if (ret==-1 ) { +- index--; ++ if (ret==-1 ) + continue; +- } +- } +- }while (samples[index++].pressure != 0); ++ ++ read_samples++; ++ index = (index+1)%TSLIB_MAX_SAMPLES; ++ }while (samples[index == 0 ? (TSLIB_MAX_SAMPLES-1) : index-1].pressure != 0); + + /* +- * index is maximal 25 and we at least one sample ++ * If we've wrapped around each sample is used otherwise ++ * we will use the index + */ +- if( index >= 25 ) +- index = 24; ++ index = read_samples >= TSLIB_MAX_SAMPLES ? ++ (TSLIB_MAX_SAMPLES-1 ) : index; + int x, y; + + /* |