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Fix setting the scrollbar positions (SF Bug #721159)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20318 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn
2003-04-23 21:04:26 +00:00
parent 465b213606
commit 1bc54e3257
2 changed files with 22 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
contrib/src/stc/ScintillaWX.cpp
View File

@@ -253,18 +253,23 @@ void ScintillaWX::SetHorizontalScrollPos() {
}
}
const int H_SCROLL_STEP = 20;
bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
bool modified = false;
int vertEnd = nMax;
if (!verticalScrollBarVisible)
vertEnd = 0;
// Check the vertical scrollbar
if (stc->m_vScrollBar == NULL) { // Use built-in scrollbar
int sbMax = stc->GetScrollRange(wxVERTICAL);
int sbThumb = stc->GetScrollThumb(wxVERTICAL);
int sbPos = stc->GetScrollPos(wxVERTICAL);
if (sbMax != nMax || sbThumb != nPage) {
stc->SetScrollbar(wxVERTICAL, sbPos, nPage, nMax+1);
if (sbMax != vertEnd || sbThumb != nPage) {
stc->SetScrollbar(wxVERTICAL, sbPos, nPage, vertEnd+1);
modified = true;
}
}
@@ -272,8 +277,8 @@ bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
int sbMax = stc->m_vScrollBar->GetRange();
int sbPage = stc->m_vScrollBar->GetPageSize();
int sbPos = stc->m_vScrollBar->GetThumbPosition();
if (sbMax != nMax || sbPage != nPage) {
stc->m_vScrollBar->SetScrollbar(sbPos, nPage, nMax+1, nPage);
if (sbMax != vertEnd || sbPage != nPage) {
stc->m_vScrollBar->SetScrollbar(sbPos, nPage, vertEnd+1, nPage);
modified = true;
}
}
@@ -293,7 +298,7 @@ bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
int sbThumb = stc->GetScrollThumb(wxHORIZONTAL);
int sbPos = stc->GetScrollPos(wxHORIZONTAL);
if ((sbMax != horizEnd) || (sbThumb != pageWidth) || (sbPos != 0)) {
stc->SetScrollbar(wxHORIZONTAL, 0, pageWidth, horizEnd);
stc->SetScrollbar(wxHORIZONTAL, sbPos, pageWidth, horizEnd);
modified = true;
if (scrollWidth < pageWidth) {
HorizontalScrollTo(0);
@@ -305,7 +310,7 @@ bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
int sbThumb = stc->m_hScrollBar->GetPageSize();
int sbPos = stc->m_hScrollBar->GetThumbPosition();
if ((sbMax != horizEnd) || (sbThumb != pageWidth) || (sbPos != 0)) {
stc->m_hScrollBar->SetScrollbar(0, pageWidth, horizEnd, pageWidth);
stc->m_hScrollBar->SetScrollbar(sbPos, pageWidth, horizEnd, pageWidth);
modified = true;
if (scrollWidth < pageWidth) {
HorizontalScrollTo(0);

17
src/stc/ScintillaWX.cpp
View File

@@ -253,18 +253,23 @@ void ScintillaWX::SetHorizontalScrollPos() {
}
}
const int H_SCROLL_STEP = 20;
bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
bool modified = false;
int vertEnd = nMax;
if (!verticalScrollBarVisible)
vertEnd = 0;
// Check the vertical scrollbar
if (stc->m_vScrollBar == NULL) { // Use built-in scrollbar
int sbMax = stc->GetScrollRange(wxVERTICAL);
int sbThumb = stc->GetScrollThumb(wxVERTICAL);
int sbPos = stc->GetScrollPos(wxVERTICAL);
if (sbMax != nMax || sbThumb != nPage) {
stc->SetScrollbar(wxVERTICAL, sbPos, nPage, nMax+1);
if (sbMax != vertEnd || sbThumb != nPage) {
stc->SetScrollbar(wxVERTICAL, sbPos, nPage, vertEnd+1);
modified = true;
}
}
@@ -272,8 +277,8 @@ bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
int sbMax = stc->m_vScrollBar->GetRange();
int sbPage = stc->m_vScrollBar->GetPageSize();
int sbPos = stc->m_vScrollBar->GetThumbPosition();
if (sbMax != nMax || sbPage != nPage) {
stc->m_vScrollBar->SetScrollbar(sbPos, nPage, nMax+1, nPage);
if (sbMax != vertEnd || sbPage != nPage) {
stc->m_vScrollBar->SetScrollbar(sbPos, nPage, vertEnd+1, nPage);
modified = true;
}
}
@@ -293,7 +298,7 @@ bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
int sbThumb = stc->GetScrollThumb(wxHORIZONTAL);
int sbPos = stc->GetScrollPos(wxHORIZONTAL);
if ((sbMax != horizEnd) || (sbThumb != pageWidth) || (sbPos != 0)) {
stc->SetScrollbar(wxHORIZONTAL, 0, pageWidth, horizEnd);
stc->SetScrollbar(wxHORIZONTAL, sbPos, pageWidth, horizEnd);
modified = true;
if (scrollWidth < pageWidth) {
HorizontalScrollTo(0);
@@ -305,7 +310,7 @@ bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
int sbThumb = stc->m_hScrollBar->GetPageSize();
int sbPos = stc->m_hScrollBar->GetThumbPosition();
if ((sbMax != horizEnd) || (sbThumb != pageWidth) || (sbPos != 0)) {
stc->m_hScrollBar->SetScrollbar(0, pageWidth, horizEnd, pageWidth);
stc->m_hScrollBar->SetScrollbar(sbPos, pageWidth, horizEnd, pageWidth);
modified = true;
if (scrollWidth < pageWidth) {
HorizontalScrollTo(0);