Some reconciling of widget naming conventions.

2016-04-16 18:53:55 -04:00
parent 8cc17f5b2f
commit 004fb03325
8 changed files with 102 additions and 102 deletions
@@ -0,0 +1,213 @@
+/*  LabelEditor.h
+ *
+ *  Copyright (C) 2013-2016  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LabelEditor_h
+#define LabelEditor_h
+
+#include <QWidget>
+#include <QScrollArea>
+#include <QPainter>
+
+#include "LabelRegion.h"
+
+
+// Forward References
+class LabelModel;
+class LabelModelObject;
+class Handle;
+
+
+///
+/// LabelEditor Widget
+///
+class LabelEditor : public QWidget
+{
+	Q_OBJECT
+
+	/////////////////////////////////////
+	// Lifecycle
+	/////////////////////////////////////
+public:
+	LabelEditor( QScrollArea* scrollArea, QWidget* parent = 0 );
+
+
+	/////////////////////////////////////
+	// Signals
+	/////////////////////////////////////
+signals:
+	void contextMenuActivate();
+	void zoomChanged();
+	void pointerMoved( const glabels::Distance& x, const glabels::Distance& y );
+	void pointerExited();
+	void modeChanged();
+
+
+	/////////////////////////////////////
+	// Parameters
+	/////////////////////////////////////
+public:
+	double zoom() const;
+	bool markupVisible() const;
+	bool qridVisible() const;
+
+
+	/////////////////////////////////////
+	// Model
+	/////////////////////////////////////
+public:
+	void setModel( LabelModel* model );
+
+
+	/////////////////////////////////////
+	// Visibility operations
+	/////////////////////////////////////
+public:
+	void setGridVisible( bool visibleFlag );
+	void setMarkupVisible( bool visibleFlag );
+
+
+	/////////////////////////////////////
+	// Zoom operations
+	/////////////////////////////////////
+public:
+	void zoomIn();
+	void zoomOut();
+	void zoom1To1();
+	void zoomToFit();
+	bool isZoomMax() const;
+	bool isZoomMin() const;
+private:
+	void setZoomReal( double zoom, bool zoomToFitFlag );
+
+
+	/////////////////////////////////////
+	// Mode operations
+	/////////////////////////////////////
+public:
+	void arrowMode();
+	void createBoxMode();
+	void createEllipseMode();
+	void createLineMode();
+	void createImageMode();
+	void createTextMode();
+	void createBarcodeMode();
+
+
+	/////////////////////////////////////
+	// Event handlers
+	/////////////////////////////////////
+protected:
+	void resizeEvent( QResizeEvent* event );
+	void mousePressEvent( QMouseEvent* event );
+	void mouseMoveEvent( QMouseEvent* event );
+	void mouseReleaseEvent( QMouseEvent* event );
+	void leaveEvent( QEvent* event );
+	void keyPressEvent( QKeyEvent* event );
+	void paintEvent( QPaintEvent* event );
+
+
+	/////////////////////////////////////
+	// Private methods
+	/////////////////////////////////////
+private:
+	void handleResizeMotion( const glabels::Distance& xWorld,
+	                         const glabels::Distance& yWorld );
+
+	void drawBgLayer( QPainter* painter );
+	void drawGridLayer( QPainter* painter );
+	void drawMarkupLayer( QPainter* painter );
+	void drawObjectsLayer( QPainter* painter );
+	void drawFgLayer( QPainter* painter );
+	void drawHighlightLayer( QPainter* painter );
+	void drawSelectRegionLayer( QPainter* painter );
+
+
+	/////////////////////////////////////
+	// Private slots
+	/////////////////////////////////////
+private slots:
+	void onSettingsChanged();
+	void onModelSizeChanged();
+
+
+	/////////////////////////////////////
+	// Private data
+	/////////////////////////////////////
+private:
+	enum State {
+		IdleState,
+		ArrowSelectRegion,
+		ArrowMove,
+		ArrowResize,
+		CreateIdle,
+		CreateDrag
+	};
+
+	enum CreateType {
+		Box,
+		Ellipse,
+		Line,
+		Image,
+		Text,
+		Barcode
+	};
+
+	QScrollArea*         mScrollArea;
+
+	double               mZoom;
+	bool                 mZoomToFitFlag;
+	double               mScale;
+	glabels::Distance    mX0;
+	glabels::Distance    mY0;
+
+	bool                 mMarkupVisible;
+	bool                 mGridVisible;
+
+	double               mGridSpacing;
+	glabels::Distance    mStepSize;
+
+	LabelModel*          mModel;
+
+	State                mState;
+
+	/* ArrowSelectRegion state */
+	bool                 mSelectRegionVisible;
+	LabelRegion          mSelectRegion;
+
+	/* ArrowMove state */
+	glabels::Distance    mMoveLastX;
+	glabels::Distance    mMoveLastY;
+
+	/* ArrowResize state */
+	LabelModelObject*    mResizeObject;
+	Handle*              mResizeHandle;
+	bool                 mResizeHonorAspect;
+
+	/* CreateDrag state */
+	CreateType           mCreateObjectType;
+	LabelModelObject*    mCreateObject;
+	glabels::Distance    mCreateX0;
+	glabels::Distance    mCreateY0;
+
+
+};
+
+
+#endif // LabelEditor_h