1 /***************************************************************************
2 titlewidget.h - description
5 copyright : (C) 2008 by Marco Gittler
6 email : g.marco@freenet.de
7 ***************************************************************************/
9 /***************************************************************************
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 ***************************************************************************/
22 #include "ui_titlewidget_ui.h"
23 #include "titledocument.h"
25 #include "graphicsscenerectmove.h"
38 double scalex, scaley;
42 class TitleWidget : public QDialog , public Ui::TitleWidget_UI
47 /** \brief Constructor
48 * \param projectPath Path to use when user requests loading or saving of titles as .kdenlivetitle documents */
49 TitleWidget(KUrl url, QString projectPath, Render *render, QWidget *parent = 0);
50 virtual ~TitleWidget();
52 void setXml(QDomDocument doc);
54 /** \brief Find first available filename of the form titleXXX.png in projectUrl + "/titles/" directory
55 * \param projectUrl Url to directory of project.
56 * \returns A list, with the name in the form of "/path/to/titles/titleXXX" as the first element, the extension
57 * ".png" as the second element.
59 * The path "/titles/" is appended to projectUrl to locate the actual directory that contains the title pngs. */
60 static QStringList getFreeTitleInfo(const KUrl &projectUrl);
62 /** \brief Build a filename from a projectUrl and a titleName
63 * \param projectUrl Url to directory of project.
64 * \param titleName Name of title, on the form "titleXXX"
66 * The path "/titles/" is appended to projectUrl to build the directoryname, then .pgn is appended to
67 * get the filename. It is not checked that the title png actually exists, only the name is build and
69 static QString getTitleResourceFromName(const KUrl &projectUrl, const QString &titleName);
72 virtual void resizeEvent(QResizeEvent * event);
75 QGraphicsPolygonItem *m_startViewport, *m_endViewport;
76 GraphicsSceneRectMove *m_scene;
78 QMap<QGraphicsItem*, Transform > m_transformations;
79 TitleDocument m_titledocument;
80 QGraphicsRectItem *m_frameBorder;
81 QGraphicsPixmapItem *m_frameImage;
86 QAction *m_buttonRect;
87 QAction *m_buttonText;
88 QAction *m_buttonImage;
89 QAction *m_buttonCursor;
90 QAction *m_buttonSave;
91 QAction *m_buttonLoad;
92 /** project path for storing title clips */
93 QString m_projectPath;
94 /** \brief Store the current choices of font, background and rect values */
96 /** \brief Read the last stored choices into the dialog */
98 /** \brief Update the displayed X/Y coordinates */
99 void updateCoordinates(QGraphicsItem *i);
100 /** \brief Update the item's position */
101 void updatePosition(QGraphicsItem *i);
103 void textChanged(QGraphicsTextItem *i);
104 void updateAxisButtons(QGraphicsItem *i);
106 void updateTextOriginX();
107 void updateTextOriginY();
110 void slotNewText(QGraphicsTextItem *tt);
111 void slotNewRect(QGraphicsRectItem *rect);
112 void slotChangeBackground();
113 void selectionChanged();
115 void setupViewports();
116 void zIndexChanged(int);
117 void itemScaled(int);
118 void itemRotate(int);
121 void saveTitle(KUrl url = KUrl());
123 QImage renderedPixmap();
126 void slotAdjustSelectedItem();
129 * \brief Switches the origin of the x axis between left and right
130 * border of the frame (offset from left/right frame border)
131 * \param originLeft Take left border?
133 * Called when the origin of the x coorinate has been changed. The
134 * x origin will either be at the left or at the right side of the frame.
136 * When the origin of the x axis is at the left side, the user can
137 * enter the distance between an element's left border and the left
140 * When on the right, the distance from the right border of the
141 * frame to the right border of the element can be entered. This
142 * would result in negative values as long as the element's right
143 * border is at the left of the frame's right border. As that is
144 * usually the case, I additionally invert the x axis.
146 * Default value is left.
148 * |----l----->|#######|----r--->|
152 * |----------m_frameWidth------>|
155 * Left selected: Value = l
156 * Right selected: Value = r
158 * To calculate between the two coorindate systems:
159 * l = m_frameWidth - w - r
160 * r = m_frameWidth - w - l
163 void slotOriginXClicked();
164 /** \brief Same as slotOriginYChanged, but for the Y axis; default is top.
165 * \param originTop Take top border? */
166 void slotOriginYClicked();
168 /** \brief Update coorinates of text fields if necessary and text has changed */
171 void slotZoom(bool up);
172 void slotUpdateZoom(int pos);
173 void slotAdjustZoom();
174 void slotZoomOneToOne();
176 void slotUpdateText();
178 void displayBackgroundFrame();
180 void setCurrentItem(QGraphicsItem *item);
184 void slotSelectTool();
185 void slotImageTool();
187 /** \brief Called when accepted, stores the user selections for next time use */