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Diffstat (limited to 'examples/widgets/doc/codeeditor.qdoc')
| -rw-r--r-- | examples/widgets/doc/codeeditor.qdoc | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/examples/widgets/doc/codeeditor.qdoc b/examples/widgets/doc/codeeditor.qdoc index 695ac5c4ce..281239acea 100644 --- a/examples/widgets/doc/codeeditor.qdoc +++ b/examples/widgets/doc/codeeditor.qdoc @@ -26,7 +26,7 @@ ****************************************************************************/ /*! - \example widgets/codeeditor + \example widgets/widgets/codeeditor \title Code Editor Example The Code Editor example shows how to create a simple editor that @@ -80,13 +80,13 @@ extend the editor with breakpoints or other code editor features. The widget would then help in the handling of mouse events. - \snippet widgets/codeeditor/codeeditor.h extraarea + \snippet widgets/widgets/codeeditor/codeeditor.h extraarea \section1 CodeEditor Class Definition Here is the code editor's class definition: - \snippet widgets/codeeditor/codeeditor.h codeeditordefinition + \snippet widgets/widgets/codeeditor/codeeditor.h codeeditordefinition In the editor we resize and draw the line numbers on the \c LineNumberArea. We need to do this when the number of lines in the @@ -102,37 +102,37 @@ We will now go through the code editors implementation, starting off with the constructor. - \snippet widgets/codeeditor/codeeditor.cpp constructor + \snippet widgets/widgets/codeeditor/codeeditor.cpp constructor In the constructor we connect our slots to signals in QPlainTextEdit. It is necessary to calculate the line number area width and highlight the first line when the editor is created. - \snippet widgets/codeeditor/codeeditor.cpp extraAreaWidth + \snippet widgets/widgets/codeeditor/codeeditor.cpp extraAreaWidth The \c lineNumberAreaWidth() function calculates the width of the \c LineNumberArea widget. We take the number of digits in the last line of the editor and multiply that with the maximum width of a digit. - \snippet widgets/codeeditor/codeeditor.cpp slotUpdateExtraAreaWidth + \snippet widgets/widgets/codeeditor/codeeditor.cpp slotUpdateExtraAreaWidth When we update the width of the line number area, we simply call QAbstractScrollArea::setViewportMargins(). - \snippet widgets/codeeditor/codeeditor.cpp slotUpdateRequest + \snippet widgets/widgets/codeeditor/codeeditor.cpp slotUpdateRequest This slot is invoked when the editors viewport has been scrolled. The QRect given as argument is the part of the editing area that is do be updated (redrawn). \c dy holds the number of pixels the view has been scrolled vertically. - \snippet widgets/codeeditor/codeeditor.cpp resizeEvent + \snippet widgets/widgets/codeeditor/codeeditor.cpp resizeEvent When the size of the editor changes, we also need to resize the line number area. - \snippet widgets/codeeditor/codeeditor.cpp cursorPositionChanged + \snippet widgets/widgets/codeeditor/codeeditor.cpp cursorPositionChanged When the cursor position changes, we highlight the current line, i.e., the line containing the cursor. @@ -151,13 +151,13 @@ block, the cursor should be moved with QTextCursor::movePosition() from a position set with \l{QTextCursor::}{setPosition()}. - \snippet widgets/codeeditor/codeeditor.cpp extraAreaPaintEvent_0 + \snippet widgets/widgets/codeeditor/codeeditor.cpp extraAreaPaintEvent_0 The \c lineNumberAreaPaintEvent() is called from \c LineNumberArea whenever it receives a paint event. We start off by painting the widget's background. - \snippet widgets/codeeditor/codeeditor.cpp extraAreaPaintEvent_1 + \snippet widgets/widgets/codeeditor/codeeditor.cpp extraAreaPaintEvent_1 We will now loop through all visible lines and paint the line numbers in the extra area for each line. Notice that in a plain @@ -169,7 +169,7 @@ and adjust these values by the height of the current text block in each iteration in the loop. - \snippet widgets/codeeditor/codeeditor.cpp extraAreaPaintEvent_2 + \snippet widgets/widgets/codeeditor/codeeditor.cpp extraAreaPaintEvent_2 Notice that we check if the block is visible in addition to check if it is in the areas viewport - a block can, for example, be |