workspace/kwin/clients/b2/b2client.h

   1 /*********************************************************************
   2   B-II KWin Client
   3
   4   Changes:
   5         Customizable button positions by Karol Szwed <gallium@kde.org>
   6         Ported to the kde3.2 API by Luciano Montanaro <mikelima@cirulla.net>
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 *********************************************************************/
  21
  22 #ifndef __B2CLIENT_H
  23 #define __B2CLIENT_H
  24
  25 #include <QDateTime>
  26 #include <QAbstractButton>
  27 //Added by qt3to4:
  28 #include <QPaintEvent>
  29 #include <QGridLayout>
  30 #include <QEvent>
  31 #include <QBoxLayout>
  32 #include <QShowEvent>
  33 #include <QResizeEvent>
  34 #include <QMouseEvent>
  35 #include <QBitmap>
  36 #include <QPixmap>
  37 #include <kdecoration.h>
  38 #include <kdecorationfactory.h>
  39
  40 class QSpacerItem;
  41 class QBoxLayout;
  42 class QGridLayout;
  43
  44 namespace B2 {
  45
  46 class B2Client;
  47
  48 class B2Button : public QAbstractButton
  49 {
  50 public:
  51     explicit B2Button(B2Client *_client=0, QWidget *parent=0, const QString& tip=NULL, const int realizeBtns = Qt::LeftButton);
  52     ~B2Button() {}
  53
  54     void setBg(const QColor &c){bg = c;}
  55     void setPixmaps(QPixmap *pix, QPixmap *pixDown, QPixmap *iPix,
  56                     QPixmap *iPixDown);
  57     void setPixmaps(int button_id);
  58     void setToggle(){setCheckable(true);}
  59     void setActive(bool on){setChecked(on);}
  60     void setUseMiniIcon(){useMiniIcon = true;}
  61     QSize sizeHint() const;
  62     QSizePolicy sizePolicy() const;
  63 protected:
  64     virtual void paintEvent(QPaintEvent *e);
  65
  66     void mousePressEvent( QMouseEvent* e );
  67     void mouseReleaseEvent( QMouseEvent* e );
  68 private:
  69     void enterEvent(QEvent *e);
  70     void leaveEvent(QEvent *e);
  71
  72     bool useMiniIcon;
  73     QPixmap *icon[6];
  74     QColor bg; //only use one color (the rest is pixmap) so forget QPalette ;)
  75
  76 public:
  77     B2Client* client;
  78     Qt::MouseButtons last_button;
  79     int realizeButtons;
  80     bool hover;
  81 };
  82
  83 class B2Titlebar : public QWidget
  84 {
  85     friend class B2Client;
  86 public:
  87     B2Titlebar(B2Client *parent);
  88     ~B2Titlebar(){;}
  89     bool isFullyObscured() const {return isfullyobscured;}
  90     void recalcBuffer();
  91     QSpacerItem *captionSpacer;
  92 protected:
  93     void paintEvent(QPaintEvent *e);
  94     bool x11Event(XEvent *e);
  95     void mouseDoubleClickEvent(QMouseEvent *e);
  96     void mousePressEvent(QMouseEvent *e);
  97     void mouseReleaseEvent(QMouseEvent *e);
  98     void mouseMoveEvent(QMouseEvent *e);
  99     void resizeEvent(QResizeEvent *e);
 100     void wheelEvent(QWheelEvent *e);
 101 private:
 102     void drawTitlebar(QPainter &p, bool state);
 103
 104     B2Client *client;
 105     QString oldTitle;
 106     QPixmap titleBuffer;
 107     QPoint moveOffset;
 108     bool set_x11mask;
 109     bool isfullyobscured;
 110     bool shift_move;
 111 };
 112
 113 class B2Client : public KDecoration
 114 {
 115     Q_OBJECT
 116     friend class B2Titlebar;
 117 public:
 118     B2Client(KDecorationBridge *b, KDecorationFactory *f);
 119     ~B2Client(){;}
 120     void init();
 121     void unobscureTitlebar();
 122     void titleMoveAbs(int new_ofs);
 123     void titleMoveRel(int xdiff);
 124     // transparent stuff
 125     virtual bool drawbound(const QRect& geom, bool clear);
 126 protected:
 127     void resizeEvent( QResizeEvent* );
 128     void paintEvent( QPaintEvent* );
 129     void showEvent( QShowEvent* );
 130     void windowWrapperShowEvent( QShowEvent* );
 131     void captionChange();
 132     void desktopChange();
 133     void shadeChange();
 134     void activeChange();
 135     void maximizeChange();
 136     void iconChange();
 137     void doShape();
 138     Position mousePosition( const QPoint& p ) const;
 139     void resize(const QSize&);
 140     void borders(int &, int &, int &, int &) const;
 141     QSize minimumSize() const;
 142     bool eventFilter(QObject *, QEvent *);
 143 private slots:
 144     void menuButtonPressed();
 145     //void slotReset();
 146     void maxButtonClicked();
 147     void shadeButtonClicked();
 148     void resizeButtonPressed();
 149 private:
 150     void addButtons(const QString& s, const QString tips[],
 151                     B2Titlebar* tb, QBoxLayout* titleLayout);
 152     void positionButtons();
 153     void calcHiddenButtons();
 154     bool mustDrawHandle() const;
 155
 156     enum ButtonType{BtnMenu=0, BtnSticky, BtnIconify, BtnMax, BtnClose,
 157         BtnHelp, BtnShade, BtnResize, BtnCount};
 158     B2Button* button[BtnCount];
 159     QGridLayout *g;
 160     // Border spacers
 161     QSpacerItem *topSpacer;
 162     QSpacerItem *bottomSpacer;
 163     QSpacerItem *leftSpacer;
 164     QSpacerItem *rightSpacer;
 165     B2Titlebar *titlebar;
 166     int bar_x_ofs;
 167     int in_unobs;
 168     QTime time;
 169     bool resizable;
 170 };
 171
 172 class B2ClientFactory : public QObject, public KDecorationFactory
 173 {
 174     Q_OBJECT
 175 public:
 176     B2ClientFactory();
 177     virtual ~B2ClientFactory();
 178     virtual KDecoration *createDecoration(KDecorationBridge *);
 179     virtual bool reset(unsigned long changed);
 180     virtual bool supports( Ability ability ) const;
 181     QList< B2ClientFactory::BorderSize > borderSizes() const;
 182 };
 183
 184 }
 185
 186 #endif