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Code Issues Releases Wiki Activity

Simplify cut, copy, paste, delete routines of LabelTrack

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This commit is contained in:
Paul Licameli 2016-06-30 10:39:50 -04:00
parent d99c8abcf2
commit 7060dc4088
1 changed files with 49 additions and 74 deletions
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123
src/LabelTrack.cpp
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@ -956,32 +956,28 @@ bool LabelTrack::CutSelectedText()
if (!IsTextSelected())
return false;
wxString left=wxT("");
wxString right=wxT("");
wxString text = mLabels[mSelIndex]->title;
wxString left, right;
auto &labelStruct = *mLabels[mSelIndex];
auto &text = labelStruct.title;
// swapping to make sure currentCursorPos > initialCursorPos always
if (mInitialCursorPos > mCurrentCursorPos) {
int temp = mCurrentCursorPos;
mCurrentCursorPos = mInitialCursorPos;
mInitialCursorPos = temp;
}
int init = mInitialCursorPos;
int cur = mCurrentCursorPos;
if (init > cur)
std::swap(init, cur);
// data for cutting
wxString data = text.Mid(mInitialCursorPos, mCurrentCursorPos-mInitialCursorPos);
wxString data = text.Mid(init, cur - init);
// get left-remaining text
if (mInitialCursorPos > 0) {
left = text.Mid(0, mInitialCursorPos);
}
if (init > 0)
left = text.Left(init);
// get right-remaining text
if (mCurrentCursorPos < (int)text.Length()) {
right = text.Mid(mCurrentCursorPos, text.Length()-mCurrentCursorPos);
}
if (cur < (int)text.Length())
right = text.Mid(cur);
// set title to the combination of the two remainders
mLabels[mSelIndex]->title = left + right;
text = left + right;
// copy data onto clipboard
if (wxTheClipboard->Open()) {
@ -1001,19 +997,18 @@ bool LabelTrack::CopySelectedText()
{
if (mSelIndex == -1)
return false;
if (!mLabels[mSelIndex]->highlighted)
const auto &labelStruct = *mLabels[mSelIndex];
if (!labelStruct.highlighted)
return false;
// swapping to make sure currentCursorPos > mInitialCursorPos always
int init = mInitialCursorPos;
int cur = mCurrentCursorPos;
if (init > cur) {
cur = mInitialCursorPos;
init = mCurrentCursorPos;
}
if (init > cur)
std::swap(init, cur);
// data for copying
wxString data = mLabels[mSelIndex]->title.Mid(init, cur-init);
wxString data = labelStruct.title.Mid(init, cur-init);
// copy the data on clipboard
if (wxTheClipboard->Open()) {
@ -1030,13 +1025,10 @@ bool LabelTrack::CopySelectedText()
/// @return true if mouse is clicked in text box, false otherwise
bool LabelTrack::PasteSelectedText(double sel0, double sel1)
{
if (mSelIndex == -1) {
if (mSelIndex == -1)
AddLabel(SelectedRegion(sel0, sel1), wxT(""));
}
wxString text;
wxString left=wxT("");
wxString right=wxT("");
wxString text, left, right;
// if text data is available
if (IsTextClipSupported()) {
@ -1056,38 +1048,20 @@ bool LabelTrack::PasteSelectedText(double sel0, double sel1)
}
}
// if there is some highlighted text
if (mLabels[mSelIndex]->highlighted) {
// swapping to make sure currentCursorPos > mInitialCursorPos always
if (mInitialCursorPos > mCurrentCursorPos) {
int temp = mCurrentCursorPos;
mCurrentCursorPos = mInitialCursorPos;
mInitialCursorPos = temp;
auto &labelStruct = *mLabels[mSelIndex];
auto &title = labelStruct.title;
int cur = mCurrentCursorPos, init = cur;
if (labelStruct.highlighted) {
init = mInitialCursorPos;
if (init > cur)
std::swap(init, cur);
}
left = title.Left(init);
if (cur < (int)title.Length())
right = title.Mid(cur);
// same as cutting
if (mInitialCursorPos > 0)
left = (mLabels[mSelIndex]->title).Mid(0, mInitialCursorPos);
if (mCurrentCursorPos < (int)(mLabels[mSelIndex]->title).Length()) {
right = (mLabels[mSelIndex]->title).Mid(mCurrentCursorPos, (mLabels[mSelIndex]->title).Length()-mCurrentCursorPos);
}
mLabels[mSelIndex]->title = left + text + right;
mCurrentCursorPos = left.Length() + text.Length();
}
else
{
// insert the data on the clipboard from the cursor position
if (mCurrentCursorPos < (int)(mLabels[mSelIndex]->title).Length()) {
right = (mLabels[mSelIndex]->title).Mid(mCurrentCursorPos);
}
mLabels[mSelIndex]->title = (mLabels[mSelIndex]->title).Left(mCurrentCursorPos);
mLabels[mSelIndex]->title += text;
mLabels[mSelIndex]->title += right;
mCurrentCursorPos += text.Length();
}
mInitialCursorPos = mCurrentCursorPos;
title = left + text + right;
mInitialCursorPos = mCurrentCursorPos = left.Length() + text.Length();
return true;
}
@ -2064,24 +2038,25 @@ void LabelTrack::OnContextMenu(wxCommandEvent & evt)
void LabelTrack::RemoveSelectedText()
{
wxString left = wxT("");
wxString right = wxT("");
wxString left, right;
if (mInitialCursorPos > mCurrentCursorPos) {
int temp = mCurrentCursorPos;
mCurrentCursorPos = mInitialCursorPos;
mInitialCursorPos = temp;
}
int init = mInitialCursorPos;
int cur = mCurrentCursorPos;
if (init > cur)
std::swap(init, cur);
if (mInitialCursorPos > 0) {
left = (mLabels[mSelIndex]->title).Mid(0, mInitialCursorPos);
}
if (mCurrentCursorPos < (int)(mLabels[mSelIndex]->title).Length()) {
right = (mLabels[mSelIndex]->title).Mid(mCurrentCursorPos, (mLabels[mSelIndex]->title).Length()-mCurrentCursorPos);
}
mLabels[mSelIndex]->title = left + right;
auto &labelStruct = *mLabels[mSelIndex];
auto &title = labelStruct.title;
if (init > 0)
left = title.Left(init);
if (cur < (int)title.Length())
right = title.Mid(cur);
title = left + right;
mInitialCursorPos = mCurrentCursorPos = left.Length();
mLabels[mSelIndex]->highlighted = false;
labelStruct.highlighted = false;
mDragXPos = -1;
}