diff options
Diffstat (limited to 'indra/llui/lllineeditor.cpp')
| -rw-r--r-- | indra/llui/lllineeditor.cpp | 156 |
1 files changed, 132 insertions, 24 deletions
diff --git a/indra/llui/lllineeditor.cpp b/indra/llui/lllineeditor.cpp index 0196080d90..06fbc0f234 100644 --- a/indra/llui/lllineeditor.cpp +++ b/indra/llui/lllineeditor.cpp @@ -37,6 +37,7 @@ #include "llgl.h" #include "lltimer.h" +#include "llcalc.h" //#include "llclipboard.h" #include "llcontrol.h" #include "llbutton.h" @@ -81,6 +82,7 @@ LLLineEditor::Params::Params() : max_length(""), keystroke_callback("keystroke_callback"), prevalidate_callback("prevalidate_callback"), + prevalidate_input_callback("prevalidate_input_callback"), background_image("background_image"), background_image_disabled("background_image_disabled"), background_image_focused("background_image_focused"), @@ -132,6 +134,7 @@ LLLineEditor::LLLineEditor(const LLLineEditor::Params& p) mIgnoreTab( p.ignore_tab ), mDrawAsterixes( p.is_password ), mSelectAllonFocusReceived( p.select_on_focus ), + mSelectAllonCommit( TRUE ), mPassDelete(FALSE), mReadOnly(FALSE), mBgImage( p.background_image ), @@ -173,6 +176,7 @@ LLLineEditor::LLLineEditor(const LLLineEditor::Params& p) updateTextPadding(); setCursor(mText.length()); + setPrevalidateInput(p.prevalidate_input_callback()); setPrevalidate(p.prevalidate_callback()); LLContextMenu* menu = LLUICtrlFactory::instance().createFromFile<LLContextMenu> @@ -228,7 +232,10 @@ void LLLineEditor::onCommit() setControlValue(getValue()); LLUICtrl::onCommit(); - selectAll(); + + // Selection on commit needs to be turned off when evaluating maths + // expressions, to allow indication of the error position + if (mSelectAllonCommit) selectAll(); } // Returns TRUE if user changed value at all @@ -405,23 +412,15 @@ void LLLineEditor::setText(const LLStringExplicit &new_text) // Picks a new cursor position based on the actual screen size of text being drawn. void LLLineEditor::setCursorAtLocalPos( S32 local_mouse_x ) { - const llwchar* wtext = mText.getWString().c_str(); - LLWString asterix_text; - if (mDrawAsterixes) - { - for (S32 i = 0; i < mText.length(); i++) - { - asterix_text += utf8str_to_wstring(PASSWORD_ASTERISK); - } - wtext = asterix_text.c_str(); - } + S32 cursor_pos = calcCursorPos(local_mouse_x); + + S32 left_pos = llmin( mSelectionStart, cursor_pos ); + S32 length = llabs( mSelectionStart - cursor_pos ); + const LLWString& substr = mText.getWString().substr(left_pos, length); + + if (mIsSelecting && !prevalidateInput(substr)) + return; - S32 cursor_pos = - mScrollHPos + - mGLFont->charFromPixelOffset( - wtext, mScrollHPos, - (F32)(local_mouse_x - mTextLeftEdge), - (F32)(mTextRightEdge - mTextLeftEdge + 1)); // min-max range is inclusive setCursor(cursor_pos); } @@ -505,6 +504,11 @@ BOOL LLLineEditor::canSelectAll() const void LLLineEditor::selectAll() { + if (!prevalidateInput(mText.getWString())) + { + return; + } + mSelectionStart = mText.length(); mSelectionEnd = 0; setCursor(mSelectionEnd); @@ -590,6 +594,9 @@ BOOL LLLineEditor::handleMouseDown(S32 x, S32 y, MASK mask) if (mask & MASK_SHIFT) { + // assume we're starting a drag select + mIsSelecting = TRUE; + // Handle selection extension S32 old_cursor_pos = getCursor(); setCursorAtLocalPos(x); @@ -624,8 +631,6 @@ BOOL LLLineEditor::handleMouseDown(S32 x, S32 y, MASK mask) mSelectionStart = old_cursor_pos; mSelectionEnd = getCursor(); } - // assume we're starting a drag select - mIsSelecting = TRUE; } else { @@ -796,6 +801,9 @@ void LLLineEditor::removeChar() { if( getCursor() > 0 ) { + if (!prevalidateInput(mText.getWString().substr(getCursor()-1, 1))) + return; + mText.erase(getCursor() - 1, 1); setCursor(getCursor() - 1); @@ -816,6 +824,9 @@ void LLLineEditor::addChar(const llwchar uni_char) } else if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode()) { + if (!prevalidateInput(mText.getWString().substr(getCursor(), 1))) + return; + mText.erase(getCursor(), 1); } @@ -864,6 +875,13 @@ void LLLineEditor::extendSelection( S32 new_cursor_pos ) startSelection(); } + S32 left_pos = llmin( mSelectionStart, new_cursor_pos ); + S32 selection_length = llabs( mSelectionStart - new_cursor_pos ); + const LLWString& selection = mText.getWString().substr(left_pos, selection_length); + + if (!prevalidateInput(selection)) + return; + setCursor(new_cursor_pos); mSelectionEnd = getCursor(); } @@ -994,8 +1012,12 @@ void LLLineEditor::deleteSelection() { if( !mReadOnly && hasSelection() ) { - S32 left_pos = llmin( mSelectionStart, mSelectionEnd ); - S32 selection_length = llabs( mSelectionStart - mSelectionEnd ); + S32 left_pos, selection_length; + getSelectionRange(&left_pos, &selection_length); + const LLWString& selection = mText.getWString().substr(left_pos, selection_length); + + if (!prevalidateInput(selection)) + return; mText.erase(left_pos, selection_length); deselect(); @@ -1013,12 +1035,16 @@ void LLLineEditor::cut() { if( canCut() ) { + S32 left_pos, length; + getSelectionRange(&left_pos, &length); + const LLWString& selection = mText.getWString().substr(left_pos, length); + + if (!prevalidateInput(selection)) + return; + // Prepare for possible rollback LLLineEditorRollback rollback( this ); - - S32 left_pos = llmin( mSelectionStart, mSelectionEnd ); - S32 length = llabs( mSelectionStart - mSelectionEnd ); gClipboard.copyFromSubstring( mText.getWString(), left_pos, length ); deleteSelection(); @@ -1098,6 +1124,9 @@ void LLLineEditor::pasteHelper(bool is_primary) if (!paste.empty()) { + if (!prevalidateInput(paste)) + return; + // Prepare for possible rollback LLLineEditorRollback rollback(this); @@ -1445,6 +1474,13 @@ BOOL LLLineEditor::handleUnicodeCharHere(llwchar uni_char) LLLineEditorRollback rollback( this ); + { + LLWString u_char; + u_char.assign(1, uni_char); + if (!prevalidateInput(u_char)) + return handled; + } + addChar(uni_char); mKeystrokeTimer.reset(); @@ -1496,6 +1532,15 @@ void LLLineEditor::doDelete() } else if ( getCursor() < mText.length()) { + const LLWString& text_to_delete = mText.getWString().substr(getCursor(), 1); + + if (!prevalidateInput(text_to_delete)) + { + if( mKeystrokeCallback ) + mKeystrokeCallback( this ); + + return; + } setCursor(getCursor() + 1); removeChar(); } @@ -1843,6 +1888,27 @@ S32 LLLineEditor::findPixelNearestPos(const S32 cursor_offset) const return result; } +S32 LLLineEditor::calcCursorPos(S32 mouse_x) +{ + const llwchar* wtext = mText.getWString().c_str(); + LLWString asterix_text; + if (mDrawAsterixes) + { + for (S32 i = 0; i < mText.length(); i++) + { + asterix_text += utf8str_to_wstring(PASSWORD_ASTERISK); + } + wtext = asterix_text.c_str(); + } + + S32 cur_pos = mScrollHPos + + mGLFont->charFromPixelOffset( + wtext, mScrollHPos, + (F32)(mouse_x - mTextLeftEdge), + (F32)(mTextRightEdge - mTextLeftEdge + 1)); // min-max range is inclusive + + return cur_pos; +} //virtual void LLLineEditor::clear() { @@ -1936,6 +2002,22 @@ void LLLineEditor::setPrevalidate(LLTextValidate::validate_func_t func) updateAllowingLanguageInput(); } +void LLLineEditor::setPrevalidateInput(LLTextValidate::validate_func_t func) +{ + mPrevalidateInputFunc = func; + updateAllowingLanguageInput(); +} + +bool LLLineEditor::prevalidateInput(const LLWString& wstr) +{ + if (mPrevalidateInputFunc && !mPrevalidateInputFunc(wstr)) + { + return false; + } + + return true; +} + // static BOOL LLLineEditor::postvalidateFloat(const std::string &str) { @@ -1995,6 +2077,32 @@ BOOL LLLineEditor::postvalidateFloat(const std::string &str) return success; } +BOOL LLLineEditor::evaluateFloat() +{ + bool success; + F32 result = 0.f; + std::string expr = getText(); + LLStringUtil::toUpper(expr); + + success = LLCalc::getInstance()->evalString(expr, result); + + if (!success) + { + // Move the cursor to near the error on failure + setCursor(LLCalc::getInstance()->getLastErrorPos()); + // *TODO: Translated error message indicating the type of error? Select error text? + } + else + { + // Replace the expression with the result + std::string result_str = llformat("%f",result); + setText(result_str); + selectAll(); + } + + return success; +} + void LLLineEditor::onMouseCaptureLost() { endSelection(); |