i2p/haiku-beta6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Last fix screwed selection in other places: Fixed. Some more cleanups. Inline inputted text now highlights at least line, in case of multiple lines.

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10357 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini
2004-12-04 17:49:09 +00:00
parent e15a7ad3a3
commit 322853c8d3
1 changed files with 84 additions and 123 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/kits/interface/BTextView/TextView.cpp
+84 -123
View File
@@ -29,7 +29,7 @@
// TODOs:
// - Finish documenting this class
// - Consider using BObjectList instead of BList
// for disallowed charachters (it would remove a lot of reinterpret_casts)
// for disallowed characters (it would remove a lot of reinterpret_casts)
// - Asynchronous mouse tracking
// - Check for correctness and possible optimizations the calls to Refresh(),
// to refresh only changed parts of text (currently we often redraw the whole text)
@@ -40,7 +40,8 @@
// Could be a different handling of Lock/UnlockWidthBuffer() between R5 and us; if it's
// the case, it should disappear as soon as we use our libraries for everything.
// - Double buffering doesn't work well (disabled by default too)
// - Text inputted using the inline input method isn't highlighted if it spans over multiple lines
// - Text inputted using the inline input method isn't highlighted correctly
// if it spans over multiple lines
#include <cstdlib>
#include <cstdio>
@@ -130,7 +131,7 @@ sem_id BTextView::sWidthSem = B_BAD_SEM_ID;
int32 BTextView::sWidthAtom = 0;
#endif
const static rgb_color kBlackColor = { 0, 0, 0, 255 };
const static rgb_color kBlackColor = { 0, 0, 0 };
const static rgb_color kBlueInputColor = { 152, 203, 255 };
const static rgb_color kRedInputColor = { 255, 152, 152 };
@@ -310,6 +311,7 @@ BTextView::BTextView(BMessage *archive)
BTextView::~BTextView()
{
CancelInputMethod();
StopMouseTracking();
DeleteOffscreen();
delete fText;
@@ -435,16 +437,6 @@ BTextView::Draw(BRect updateRect)
int32 endLine = LineAt(BPoint(0.0f, updateRect.bottom));
DrawLines(startLine, endLine);
// draw the caret/hilite the selection
if (fActive) {
if (fSelStart != fSelEnd)
Highlight(fSelStart, fSelEnd);
else {
if (fCaretVisible)
DrawCaret(fSelStart);
}
}
}
@@ -635,6 +627,11 @@ BTextView::MouseUp(BPoint where)
void
BTextView::MouseMoved(BPoint where, uint32 code, const BMessage *message)
{
// Check if it's a "click'n'move
// TODO: Currently always returns false
if (PerformMouseMoved(where, code))
return;
bool sync = false;
switch (code) {
// We force a sync when the mouse enters the view
@@ -699,7 +696,7 @@ BTextView::KeyDown(const char *bytes, int32 numBytes)
const char keyPressed = bytes[0];
// if the charachter is not allowed, bail out.
// if the character is not allowed, bail out.
if (fDisallowedChars
&& fDisallowedChars->HasItem(reinterpret_cast<void *>((uint32)keyPressed))) {
beep();
@@ -814,11 +811,11 @@ BTextView::MessageReceived(BMessage *message)
CALLED();
// was this message dropped?
if (message->WasDropped()) {
BPoint offset;
BPoint dropLocation = message->DropPoint(&offset);
ConvertFromScreen(&dropLocation);
ConvertFromScreen(&offset);
if (!MessageDropped(message, dropLocation, offset))
BPoint dropOffset;
BPoint dropPoint = message->DropPoint(&dropOffset);
ConvertFromScreen(&dropPoint);
ConvertFromScreen(&dropOffset);
if (!MessageDropped(message, dropPoint, dropOffset))
BView::MessageReceived(message);
return;
@@ -889,48 +886,41 @@ BTextView::MessageReceived(BMessage *message)
BMessage specifier;
const char *property;
if (message->GetCurrentSpecifier(NULL, &specifier) != B_OK ||
specifier.FindString("property", &property) != B_OK)
if (message->GetCurrentSpecifier(NULL, &specifier) < B_OK ||
specifier.FindString("property", &property) < B_OK)
return;
if (propInfo.FindMatch(message, 0, &specifier, specifier.what,
property) == B_ERROR) {
property) < B_OK) {
BView::MessageReceived(message);
break;
}
switch(message->what) {
switch(message->what) {
case B_GET_PROPERTY:
{
BMessage reply;
GetProperty(&specifier, specifier.what, property, &reply);
message->SendReply(&reply);
break;
}
case B_SET_PROPERTY:
{
BMessage reply;
SetProperty(&specifier, specifier.what, property, &reply);
message->SendReply(&reply);
break;
}
case B_COUNT_PROPERTIES:
{
BMessage reply;
CountProperties(&specifier, specifier.what, property, &reply);
CountProperties(&specifier, specifier.what, property, &reply);
message->SendReply(&reply);
break;
}
default:
break;
}
@@ -1156,13 +1146,10 @@ BTextView::Insert(int32 startOffset, const char *inText, int32 inLength,
{
CALLED();
if (!fEditable)
return;
CancelInputMethod();
// do we really need to do anything?
if (inLength < 1)
if (!fEditable || inLength < 1)
return;
// hide the caret/unhilite the selection
@@ -1201,7 +1188,7 @@ BTextView::Insert(int32 startOffset, const char *inText, int32 inLength,
}
/*! \brief Deletes the selected text.
/*! \brief Deletes the text within the current selection.
*/
void
BTextView::Delete()
@@ -1289,9 +1276,9 @@ BTextView::GetText(int32 offset, int32 length, char *buffer) const
}
/*! \brief Returns the charachter at the given offset.
\param offset The offset of the wanted charachter.
\return The charachter at the given offset.
/*! \brief Returns the character at the given offset.
\param offset The offset of the wanted character.
\return The character at the given offset.
*/
uchar
BTextView::ByteAt(int32 offset) const
@@ -1592,16 +1579,6 @@ BTextView::SetFontAndColor(const BFont *inFont, uint32 inMode,
CancelInputMethod();
// hide the caret/unhilite the selection
if (fActive) {
if (fSelStart != fSelEnd)
Highlight(fSelStart, fSelEnd);
else {
if (fCaretVisible)
InvertCaret();
}
}
BFont newFont = *inFont;
NormalizeFont(&newFont);
@@ -1615,16 +1592,6 @@ BTextView::SetFontAndColor(const BFont *inFont, uint32 inMode,
else
// the line breaks wont change, simply redraw
DrawLines(LineAt(fSelStart), LineAt(fSelEnd), fSelStart, true);
// draw the caret/hilite the selection
if (fActive) {
if (fSelStart != fSelEnd)
Highlight(fSelStart, fSelEnd);
else {
if (!fCaretVisible)
InvertCaret();
}
}
}
@@ -1638,16 +1605,6 @@ BTextView::SetFontAndColor(int32 startOffset, int32 endOffset,
if (!fEditable)
return;
// hide the caret/unhilite the selection
if (fActive) {
if (startOffset != endOffset)
Highlight(startOffset, endOffset);
else {
if (fCaretVisible)
InvertCaret();
}
}
BFont newFont = *inFont;
NormalizeFont(&newFont);
@@ -1662,15 +1619,6 @@ BTextView::SetFontAndColor(int32 startOffset, int32 endOffset,
// the line breaks wont change, simply redraw
DrawLines(LineAt(startOffset), LineAt(endOffset), startOffset, true);
// draw the caret/hilite the selection
if (fActive) {
if (startOffset != endOffset)
Highlight(startOffset, endOffset);
else {
if (!fCaretVisible)
InvertCaret();
}
}
}
@@ -1776,8 +1724,8 @@ BTextView::RunArray(int32 startOffset, int32 endOffset, int32 *outSize) const
}
/*! \brief Returns the line number for the charachter at the given offset.
\param offset The offset of the wanted charachter.
/*! \brief Returns the line number for the character at the given offset.
\param offset The offset of the wanted character.
\return A line number.
*/
int32
@@ -1798,11 +1746,11 @@ BTextView::LineAt(BPoint point) const
}
/*! \brief Returns the location of the charachter at the given offset.
\param inOffset The offset of the charachter.
\param outHeight Here the function will put the height of the charachter at the
/*! \brief Returns the location of the character at the given offset.
\param inOffset The offset of the character.
\param outHeight Here the function will put the height of the character at the
given offset.
\return A BPoint which is the location of the charachter.
\return A BPoint which is the location of the character.
*/
BPoint
BTextView::PointAt(int32 inOffset, float *outHeight) const
@@ -1923,7 +1871,7 @@ BTextView::OffsetAt(BPoint point) const
// TODO: The following code chokes on TABs.
// we should do something like the part after the #else, but
// multi-byte charachters safe.
// multi-byte characters safe.
#if 1
int32 offset = line->offset;
int32 limit = (line + 1)->offset;
@@ -2212,8 +2160,8 @@ BTextView::GetTextRegion(int32 startOffset, int32 endOffset, BRegion *outRegion)
}
/*! \brief Scrolls the text so that the charachter at "inOffset" is within the visible range.
\param inOffset The offset of the charachter.
/*! \brief Scrolls the text so that the character at "inOffset" is within the visible range.
\param inOffset The offset of the character.
*/
void
BTextView::ScrollToOffset(int32 inOffset)
@@ -2234,9 +2182,9 @@ BTextView::ScrollToOffset(int32 inOffset)
}
/*! \brief Scrolls the text so that the charachter which begins the current selection
/*! \brief Scrolls the text so that the character which begins the current selection
is within the visible range.
\param inOffset The offset of the charachter.
\param inOffset The offset of the character.
*/
void
BTextView::ScrollToSelection()
@@ -2291,7 +2239,7 @@ BTextView::TextRect() const
}
/*! \brief Sets whether the BTextView accepts multiple charachter styles.
/*! \brief Sets whether the BTextView accepts multiple character styles.
*/
void
BTextView::SetStylable(bool stylable)
@@ -2477,9 +2425,9 @@ BTextView::MaxBytes() const
/*! \brief Adds the given char to the disallowed chars list.
\param aChar The charachter to add to the list.
\param aChar The character to add to the list.
After this function returns, the given charachter won't be accepted
After this function returns, the given character won't be accepted
by the textview anymore.
*/
void
@@ -2493,8 +2441,8 @@ BTextView::DisallowChar(uint32 aChar)
}
/*! \brief Removes the given charachter from the disallowed list.
\param aChar The charachter to remove from the list.
/*! \brief Removes the given character from the disallowed list.
\param aChar The character to remove from the list.
*/
void
BTextView::AllowChar(uint32 aChar)
@@ -2804,6 +2752,7 @@ BTextView::InsertText(const char *inText, int32 inLength, int32 inOffset,
if (!fEditable || inLength < 1)
return;
// TODO: Pin offset/lenght
// add the text to the buffer
fText->InsertText(inText, inLength, inOffset);
@@ -3173,8 +3122,8 @@ BTextView::HandlePageKey(uint32 inPageKey)
case B_END:
// If we are on the last line, just go to the last
// charachter in the buffer, otherwise get the starting
// offset of the next line, and go to the previous charachter
// character in the buffer, otherwise get the starting
// offset of the next line, and go to the previous character
if (CurrentLine() + 1 < fLines->NumLines()) {
line = (*fLines)[CurrentLine() + 1];
fClickOffset = PreviousInitialByte(line->offset);
@@ -3251,7 +3200,7 @@ BTextView::HandlePageKey(uint32 inPageKey)
/*! \brief Called when an alphanumeric key is pressed.
\param bytes The string or charachter associated with the key.
\param bytes The string or character associated with the key.
\param numBytes The amount of bytes containes in "bytes".
*/
void
@@ -3314,7 +3263,7 @@ BTextView::Refresh(int32 fromOffset, int32 toOffset, bool erase,
ASSERT(Window() != NULL);
if (!Window())
return;
float saveHeight = fTextRect.Height();
int32 fromLine = LineAt(fromOffset);
int32 toLine = LineAt(toOffset);
@@ -3373,7 +3322,7 @@ BTextView::Refresh(int32 fromOffset, int32 toOffset, bool erase,
if (scroll)
ScrollToOffset(fSelEnd);
Flush(); ////
Flush();
}
@@ -3760,7 +3709,7 @@ BTextView::DrawLines(int32 startLine, int32 endLine, int32 startOffset,
eraseRect.bottom = (line + 1)->origin + fTextRect.top;
view->FillRect(eraseRect, B_SOLID_LOW);
eraseRect = clipRect;
}
@@ -3818,14 +3767,19 @@ BTextView::DrawLines(int32 startLine, int32 endLine, int32 startOffset,
if (fInline && fInline->IsActive()) {
int32 inlineOffset = fInline->Offset();
int32 inlineLength = fInline->Length();
if (inlineOffset >= offset &&
inlineOffset + inlineLength <= offset + length) {
if (offset <= inlineOffset + inlineLength &&
offset + length >= inlineOffset + inlineLength) {
BPoint leftTop;
if (offset > inlineOffset)
leftTop = PointAt(offset);
else
leftTop = PointAt(inlineOffset);
float height;
BPoint rightBottom = PointAt(inlineOffset + inlineLength, &height);
rightBottom.y += height;
BRect rect(PointAt(inlineOffset), rightBottom);
BRect rect(leftTop, rightBottom);
view->PushState();
// Highlight in blue the inputted text
@@ -3871,8 +3825,15 @@ BTextView::DrawLines(int32 startLine, int32 endLine, int32 startOffset,
}
// TODO: Maybe this fits better into "BTextView::Refresh()"
if (fSelStart != fSelEnd && fSelectable)
Highlight(fSelStart, fSelEnd);
// draw the caret/hilite the selection
if (fActive) {
if (fSelStart != fSelEnd && fSelectable)
Highlight(fSelStart, fSelEnd);
else {
if (fCaretVisible)
DrawCaret(fSelStart);
}
}
if (view == this)
ConstrainClippingRegion(NULL);
@@ -3897,8 +3858,6 @@ BTextView::DrawCaret(int32 offset)
caretRect.bottom = caretPoint.y + lineHeight;
InvertRect(caretRect);
Flush(); ////
}
@@ -3950,6 +3909,8 @@ void
BTextView::StopMouseTracking()
{
CALLED();
delete fTrackingMouse;
fTrackingMouse = NULL;
}
@@ -4255,10 +4216,10 @@ BTextView::NormalizeFont(BFont *font)
}
/*! \brief Returns a value which tells if the given charachter is a separator
charachter or not.
\param offset The offset where the wanted charachter can be found.
\return A value which represents the charachter's classification.
/*! \brief Returns a value which tells if the given character is a separator
character or not.
\param offset The offset where the wanted character can be found.
\return A value which represents the character's classification.
*/
uint32
BTextView::CharClassification(int32 offset) const
@@ -4266,7 +4227,7 @@ BTextView::CharClassification(int32 offset) const
// TODO:Should check against a list of characters containing also
// japanese word breakers.
// And what about other languages ? Isn't there a better way to check
// for separator charachters ?
// for separator characters ?
switch (fText->RealCharAt(offset)) {
case B_SPACE:
case '_':
@@ -4292,9 +4253,9 @@ BTextView::CharClassification(int32 offset) const
}
/*! \brief Returns the offset of the next UTF8 charachter within the BTextView's text.
/*! \brief Returns the offset of the next UTF8 character within the BTextView's text.
\param offset The offset where to start looking.
\return The offset of the next UTF8 charachter.
\return The offset of the next UTF8 character.
*/
int32
BTextView::NextInitialByte(int32 offset) const
@@ -4306,9 +4267,9 @@ BTextView::NextInitialByte(int32 offset) const
}
/*! \brief Returns the offset of the previous UTF8 charachter within the BTextView's text.
/*! \brief Returns the offset of the previous UTF8 character within the BTextView's text.
\param offset The offset where to start looking.
\return The offset of the previous UTF8 charachter.
\return The offset of the previous UTF8 character.
*/
int32
BTextView::PreviousInitialByte(int32 offset) const
@@ -4441,7 +4402,7 @@ BTextView::HandleInputMethodChanged(BMessage *message)
bool confirmed = false;
if (message->FindBool("be:confirmed", &confirmed) == B_OK && confirmed) {
fInline->SetActive(false);
Refresh(0, fInline->Offset(), true, false);
Refresh(0, fInline->Offset() + fInline->Length(), true, false);
return;
}
@@ -4487,7 +4448,7 @@ BTextView::HandleInputMethodChanged(BMessage *message)
if (!fInline->IsActive())
fInline->SetActive(true);
Refresh(0, fSelEnd, true, false);
Refresh(fInline->Offset(), fSelEnd, true, false);
}
@@ -4505,7 +4466,7 @@ BTextView::HandleInputMethodLocationRequest()
BMessage message(B_INPUT_METHOD_EVENT);
message.AddInt32("be:opcode", B_INPUT_METHOD_LOCATION_REQUEST);
// Add the location of the UTF8 charachters
// Add the location of the UTF8 characters
float height = 0;
BPoint where;
while (offset < limit) {