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implemented #265

This commit is contained in:
Vadim Lopatin 2016-06-08 09:48:39 +03:00
parent 7293b917c4
commit 76a631ebff
1 changed files with 43 additions and 19 deletions
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58
src/dlangui/widgets/editors.d
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@ -268,11 +268,26 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
/// when true, call measureVisibileText on next layout
protected bool _contentChanged = true;
protected bool _copyCurrentLineWhenNoSelection = true;
/// when true allows copy / cut whole current line if there is no selection
@property bool copyCurrentLineWhenNoSelection() { return _copyCurrentLineWhenNoSelection; }
@property EditWidgetBase copyCurrentLineWhenNoSelection(bool flg) { _copyCurrentLineWhenNoSelection = flg; return this; }
protected bool _showTabPositionMarks = true;
/// when true shows mark on tab positions in beginning of line
@property bool showTabPositionMarks() { return _showTabPositionMarks; }
@property EditWidgetBase showTabPositionMarks(bool flg) {
if (flg != _showTabPositionMarks) {
_showTabPositionMarks = flg;
invalidate();
}
return this;
}
/// Modified state change listener (e.g. content has been saved, or first time modified after save)
Signal!ModifiedStateListener modifiedStateChange;
/// editor content is changed
/// Signal to emit when editor content is changed
Signal!EditableContentChangeListener contentChange;
/// override to support modification of client rect after change, e.g. apply offset
@ -575,7 +590,6 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
return focusable && visible;
}
/// override to change popup menu items state
override bool isActionEnabled(const Action action) {
switch (action.id) with(EditorActions)
@ -586,9 +600,9 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
case Unindent:
return enabled;
case Copy:
return !_selectionRange.empty;
return _copyCurrentLineWhenNoSelection || !_selectionRange.empty;
case Cut:
return enabled && !_selectionRange.empty;
return enabled && (_copyCurrentLineWhenNoSelection || !_selectionRange.empty);
case Paste:
return enabled && Platform.instance.getClipboardText().length > 0;
case Undo:
@ -634,7 +648,7 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
/// set bool property value, for ML loaders
mixin(generatePropertySettersMethodOverride("setBoolProperty", "bool",
"wantTabs", "showIcons", "showFolding", "showModificationMarks", "showLineNumbers", "readOnly", "replaceMode", "useSpacesForTabs"));
"wantTabs", "showIcons", "showFolding", "showModificationMarks", "showLineNumbers", "readOnly", "replaceMode", "useSpacesForTabs", "copyCurrentLineWhenNoSelection", "showTabPositionMarks"));
/// set int property value, for ML loaders
mixin(generatePropertySettersMethodOverride("setIntProperty", "int",
@ -1135,11 +1149,22 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
return true;
}
public dstring getSelectedText(){
dstring selectionText = concatDStrings(_content.rangeText(_selectionRange));
/// returns current selection text (joined with LF when span over multiple lines)
public dstring getSelectedText() {
return getRangeText(_selectionRange);
}
/// returns text for specified range (joined with LF when span over multiple lines)
public dstring getRangeText(TextRange range) {
dstring selectionText = concatDStrings(_content.rangeText(range));
return selectionText;
}
/// returns range for line with cursor
@property public TextRange currentLineRange() {
return _content.lineRange(_caretPos.line);
}
protected bool removeRangeText(TextRange range) {
if (range.empty)
return false;
@ -1338,20 +1363,19 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
}
return true;
case Copy:
if (!_selectionRange.empty) {
dstring selectionText = getSelectedText();
platform.setClipboardText(selectionText);
}
return true;
case Cut:
if (!_selectionRange.empty) {
dstring selectionText = getSelectedText();
TextRange range = _selectionRange;
if (range.empty && _copyCurrentLineWhenNoSelection) {
range = currentLineRange;
}
if (!range.empty) {
dstring selectionText = getRangeText(range);
platform.setClipboardText(selectionText);
if (readOnly)
return true;
EditOperation op = new EditOperation(EditAction.Replace, _selectionRange, [""d]);
if (!readOnly && a.id == Cut) {
EditOperation op = new EditOperation(EditAction.Replace, range, [""d]);
_content.performOperation(op, this);
}
}
return true;
case Paste:
{