git.sur5r.net Git - minitube/blob - src/thlibrary/thblackbar.cpp

   1 #include <QPainter>
   2 #include <QPaintEvent>
   3 #include <QList>
   4 #include <QtGui>
   5
   6 #include "thblackbar.h"
   7 #include "../fontutils.h"
   8
   9 /* ============================================================================
  10  *  PRIVATE Class
  11  */
  12 class THBlackBar::Private {
  13         public:
  14     QList<QAction *> actionList;
  15     QAction *checkedAction;
  16     QAction *hoveredAction;
  17 };
  18
  19 /* ============================================================================
  20  *  PUBLIC Constructor/Destructors
  21  */
  22 THBlackBar::THBlackBar (QWidget *parent)
  23         : QWidget(parent), d(new THBlackBar::Private)
  24 {
  25     // Setup Widget Options
  26     setMouseTracking(true);
  27
  28     // Setup Members
  29     d->hoveredAction = NULL;
  30     d->checkedAction = NULL;
  31 }
  32
  33 THBlackBar::~THBlackBar() {
  34     delete d;
  35 }
  36
  37 /* ============================================================================
  38  *  PUBLIC Methods
  39  */
  40 QAction *THBlackBar::addAction (QAction *action) {
  41     action->setCheckable(true);
  42     d->actionList.append(action);
  43     return(action);
  44 }
  45
  46 QAction *THBlackBar::addAction (const QString& text) {
  47     QAction *action = new QAction(text, this);
  48     action->setCheckable(true);
  49     d->actionList.append(action);
  50     return(action);
  51 }
  52
  53 void THBlackBar::setCheckedAction(int index) {
  54     if (d->checkedAction)
  55         d->checkedAction->setChecked(false);
  56     d->checkedAction = d->actionList.at(index);
  57     d->checkedAction->setChecked(true);
  58     update();
  59 }
  60
  61 QSize THBlackBar::minimumSizeHint (void) const {
  62     int itemsWidth = calculateButtonWidth() * d->actionList.size();
  63     return(QSize(100 + itemsWidth, 32));
  64 }
  65
  66 /* ============================================================================
  67  *  PROTECTED Methods
  68  */
  69 void THBlackBar::paintEvent (QPaintEvent *event) {
  70     int height = rect().height();
  71     int width = rect().width();
  72     // int mh = (height / 2);
  73
  74     // THPainter p(this);
  75     QPainter p(this);
  76
  77     /*
  78     // Draw Background
  79     QLinearGradient linearGradUp(QPointF(0, 0), QPointF(0, mh));
  80     linearGradUp.setColorAt(0, QColor(0x97, 0x97, 0x97));
  81     linearGradUp.setColorAt(1, QColor(0x4d, 0x4d, 0x4d));
  82     p.fillRect(0, 0, width, mh, QBrush(linearGradUp));
  83
  84     QLinearGradient linearGradDw(QPointF(0, mh), QPointF(0, height));
  85     linearGradDw.setColorAt(0, QColor(0x3a, 0x3a, 0x3a));
  86     linearGradDw.setColorAt(1, QColor(0x42, 0x42, 0x42));
  87     p.fillRect(0, mh, width, mh, QBrush(linearGradDw));
  88     */
  89
  90     // Calculate Buttons Size & Location
  91     int buttonWidth = width / d->actionList.size(); // calculateButtonWidth();
  92     // int buttonsWidth = width; // buttonWidth * d->actionList.size();
  93     int buttonsX = 0; // (width / 2) - (buttonsWidth / 2);
  94
  95     // Draw Buttons
  96     // p.translate(0, 4);
  97     QRect rect(buttonsX, 0, buttonWidth, height);
  98     foreach (QAction *action, d->actionList) {
  99         drawButton(&p, rect, action);
 100         rect.moveLeft(rect.x() + rect.width());
 101     }
 102     // p.translate(0, -4);
 103
 104     // Draw Buttons Shadow
 105     // p.fillRect(buttonsX, height - 4, buttonsWidth, 1, QColor(0x6d, 0x6d, 0x6d));
 106
 107     p.end();
 108 }
 109
 110 void THBlackBar::mouseMoveEvent (QMouseEvent *event) {
 111     QWidget::mouseMoveEvent(event);
 112
 113     QAction *action = hoveredAction(event->pos());
 114
 115     if (action == NULL && d->hoveredAction != NULL) {
 116         // d->hoveredAction->hover(false);
 117         d->hoveredAction = NULL;
 118         update();
 119     } else if (action != NULL) {
 120         d->hoveredAction = action;
 121         action->hover();
 122         update();
 123
 124         // status tip
 125         QMainWindow* mainWindow = dynamic_cast<QMainWindow*>(window());
 126         if (mainWindow) mainWindow->statusBar()->showMessage(action->statusTip());
 127     }
 128 }
 129
 130 void THBlackBar::mousePressEvent (QMouseEvent *event) {
 131     QWidget::mousePressEvent(event);
 132
 133     if (d->hoveredAction != NULL) {
 134
 135         if (d->checkedAction != NULL) {
 136             // already checked
 137             if (d->checkedAction == d->hoveredAction) return;
 138             d->checkedAction->setChecked(false);
 139         }
 140
 141         d->checkedAction = d->hoveredAction;
 142         d->hoveredAction->setChecked(true);
 143         d->hoveredAction->trigger();
 144
 145         update();
 146     }
 147 }
 148
 149 void THBlackBar::leaveEvent(QEvent *event) {
 150     // status tip
 151     QMainWindow* mainWindow = static_cast<QMainWindow*>(window());
 152     if (mainWindow) mainWindow->statusBar()->clearMessage();
 153 }
 154
 155 QAction *THBlackBar::hoveredAction (const QPoint& pos) const {
 156     if (pos.y() <= 0 || pos.y() >= height())
 157         return(NULL);
 158
 159     /*
 160     int buttonWidth = calculateButtonWidth();
 161     int buttonsWidth = buttonWidth * d->actionList.size();
 162     int buttonsX = (width() / 2) - (buttonsWidth / 2);
 163     */
 164
 165     int buttonWidth = width() / d->actionList.size(); // calculateButtonWidth();
 166     int buttonsWidth = width(); // buttonWidth * d->actionList.size();
 167     int buttonsX = 0; // (width / 2) - (buttonsWidth / 2);
 168
 169     if (pos.x() <= buttonsX || pos.x() >= (buttonsX + buttonsWidth))
 170         return(NULL);
 171
 172     int buttonIndex = (pos.x() - buttonsX) / buttonWidth;
 173
 174     if (buttonIndex >= d->actionList.size())
 175         return(NULL);
 176     return(d->actionList[buttonIndex]);
 177 }
 178
 179 int THBlackBar::calculateButtonWidth (void) const {
 180     QFont smallerBoldFont = FontUtils::smallBold();
 181     QFontMetrics fontMetrics(smallerBoldFont);
 182     int tmpItemWidth, itemWidth = 0;
 183     foreach (QAction *action, d->actionList) {
 184         tmpItemWidth = fontMetrics.width(action->text());
 185         if (itemWidth < tmpItemWidth) itemWidth = tmpItemWidth;
 186     }
 187     return itemWidth;
 188 }
 189
 190
 191 /* ============================================================================
 192  *  PRIVATE Methods
 193  */
 194 void THBlackBar::drawUnselectedButton ( QPainter *painter,
 195                                         const QRect& rect,
 196                                         const QAction *action)
 197 {
 198     QLinearGradient linearGrad(QPointF(0, 0), QPointF(0, rect.height() / 2));
 199     linearGrad.setColorAt(0, QColor(0x8e, 0x8e, 0x8e));
 200     linearGrad.setColorAt(1, QColor(0x5c, 0x5c, 0x5c));
 201     /*
 202     QPalette palette;
 203     linearGrad.setColorAt(0, palette.color(QPalette::Dark));
 204     linearGrad.setColorAt(1, palette.color(QPalette::Midlight));
 205 */
 206     drawButton(painter, rect, linearGrad, QColor(0x41, 0x41, 0x41), action);
 207     // drawButton(painter, rect, linearGrad, palette.color(QPalette::Shadow), action);
 208 }
 209
 210 void THBlackBar::drawSelectedButton (   QPainter *painter,
 211                                         const QRect& rect,
 212                                         const QAction *action)
 213 {
 214     QLinearGradient linearGrad(QPointF(0, 0), QPointF(0, rect.height() / 2));
 215     linearGrad.setColorAt(0, QColor(0x6d, 0x6d, 0x6d));
 216     linearGrad.setColorAt(1, QColor(0x25, 0x25, 0x25));
 217     drawButton(painter, rect, linearGrad, QColor(0x00, 0x00, 0x00), action);
 218 }
 219
 220 void THBlackBar::drawButton (   QPainter *painter,
 221                                 const QRect& rect,
 222                                 const QAction *action)
 223 {
 224     if (action->isChecked())
 225         drawSelectedButton(painter, rect, action);
 226     else
 227         drawUnselectedButton(painter, rect, action);
 228 }
 229
 230 void THBlackBar::drawButton (   QPainter *painter,
 231                                 const QRect& rect,
 232                                 const QLinearGradient& gradient,
 233                                 const QColor& color,
 234                                 const QAction *action)
 235 {
 236     painter->save();
 237
 238     int height = rect.height();
 239     int width = rect.width();
 240     int mh = (height / 2);
 241
 242     painter->translate(rect.x(), rect.y());
 243     painter->setPen(QColor(0x28, 0x28, 0x28));
 244
 245     painter->fillRect(0, 0, width, mh, QBrush(gradient));
 246     painter->fillRect(0, mh, width, mh, color);
 247 #ifdef APP_MAC
 248     painter->drawRect(-1, -1, width+1, height);
 249 #else
 250     painter->drawRect(0, 0, width, height);
 251 #endif
 252     QFont smallerBoldFont = FontUtils::smallBold();
 253     painter->setFont(smallerBoldFont);
 254     painter->setPen(QPen(QColor(0xff, 0xff, 0xff), 1));
 255     painter->drawText(0, 1, width, height, Qt::AlignCenter, action->text());
 256
 257     painter->restore();
 258 }
 259