diff options
Diffstat (limited to 'indra/llui/lltexteditor.cpp')
| -rw-r--r-- | indra/llui/lltexteditor.cpp | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/indra/llui/lltexteditor.cpp b/indra/llui/lltexteditor.cpp index 3fdb48b3ca..e196abc89a 100644 --- a/indra/llui/lltexteditor.cpp +++ b/indra/llui/lltexteditor.cpp @@ -237,13 +237,16 @@ private: /////////////////////////////////////////////////////////////////// LLTextEditor::Params::Params() : default_text("default_text"), + prevalidate_callback("prevalidate_callback"), embedded_items("embedded_items", false), ignore_tab("ignore_tab", true), handle_edit_keys_directly("handle_edit_keys_directly", false), show_line_numbers("show_line_numbers", false), default_color("default_color"), commit_on_focus_lost("commit_on_focus_lost", false) -{} +{ + addSynonym(prevalidate_callback, "text_type"); +} LLTextEditor::LLTextEditor(const LLTextEditor::Params& p) : LLTextBase(p), @@ -258,6 +261,7 @@ LLTextEditor::LLTextEditor(const LLTextEditor::Params& p) : mMouseDownX(0), mMouseDownY(0), mTabsToNextField(p.ignore_tab), + mPrevalidateFunc(p.prevalidate_callback()), mContextMenu(NULL) { mDefaultFont = p.font; @@ -318,9 +322,20 @@ LLTextEditor::~LLTextEditor() void LLTextEditor::setText(const LLStringExplicit &utf8str, const LLStyle::Params& input_params) { + // validate incoming text if necessary + if (mPrevalidateFunc) + { + LLWString test_text = utf8str_to_wstring(utf8str); + if (!mPrevalidateFunc(test_text)) + { + // not valid text, nothing to do + return; + } + } + blockUndo(); deselect(); - + LLTextBase::setText(utf8str, input_params); resetDirty(); @@ -909,6 +924,21 @@ S32 LLTextEditor::execute( TextCmd* cmd ) // Push the new command is now on the top (front) of the undo stack. mUndoStack.push_front(cmd); mLastCmd = cmd; + + bool need_to_rollback = mPrevalidateFunc + && !mPrevalidateFunc(getViewModel()->getDisplay()); + if (need_to_rollback) + { + // get rid of this last command and clean up undo stack + undo(); + + // remove any evidence of this command from redo history + mUndoStack.pop_front(); + delete cmd; + + // failure, nothing changed + delta = 0; + } } else { @@ -1032,7 +1062,21 @@ S32 LLTextEditor::addChar(S32 pos, llwchar wc) if (mLastCmd && mLastCmd->canExtend(pos)) { S32 delta = 0; + if (mPrevalidateFunc) + { + // get a copy of current text contents + LLWString test_string(getViewModel()->getDisplay()); + + // modify text contents as if this addChar succeeded + llassert(pos <= (S32)test_string.size()); + test_string.insert(pos, 1, wc); + if (!mPrevalidateFunc( test_string)) + { + return 0; + } + } mLastCmd->extendAndExecute(this, pos, wc, &delta); + return delta; } else |