git.cworth.org Git - apitrace/blob - gui/apicalldelegate.cpp

   1 #include "apicalldelegate.h"
   2
   3 #include "apitracecall.h"
   4 #include "apitracemodel.h"
   5 #include "thumbnail.h"
   6
   7 #include <QApplication>
   8 #include <QDebug>
   9 #include <QPainter>
  10 #include <QStaticText>
  11 #include <QStyle>
  12
  13 ApiCallDelegate::ApiCallDelegate(QWidget *parent)
  14     : QStyledItemDelegate(parent),
  15       m_stateEmblem(":/resources/dialog-information.png"),
  16       m_editEmblem(":/resources/document-edit.png"),
  17       m_errorEmblem(":/resources/script-error.png")
  18 {
  19 }
  20
  21 void ApiCallDelegate::paint(QPainter *painter,
  22                             const QStyleOptionViewItem &option,
  23                             const QModelIndex &index) const
  24 {
  25     QVariant var = index.data(ApiTraceModel::EventRole);
  26     ApiTraceEvent *event = var.value<ApiTraceEvent*>();
  27
  28     Q_ASSERT(index.column() == 0);
  29
  30     if (event) {
  31         QPoint offset = option.rect.topLeft();
  32         QStaticText text = event->staticText();
  33         QSize textSize = text.size().toSize();
  34         //text.setTextWidth(option.rect.width());
  35         //QStyledItemDelegate::paint(painter, option, index);
  36         QStyle *style = QApplication::style();
  37         style->drawControl(QStyle::CE_ItemViewItem, &option, painter, 0);
  38
  39         // draw thumbnail of frame
  40         if (event->type() == ApiTraceEvent::Frame) {
  41             ApiTraceFrame *frame = static_cast<ApiTraceFrame*>(event);
  42             const QImage & thumbnail = frame->thumbnail();
  43             if (!thumbnail.isNull()) {
  44                 painter->drawImage(offset, thumbnail);
  45                 offset += QPoint(textSize.height() + thumbnail.width(), option.rect.height()/2 - textSize.height()/2);
  46             }
  47         }
  48
  49         if (event->hasState()) {
  50             QPixmap px = m_stateEmblem.pixmap(textSize.height(),
  51                                               textSize.height());
  52             painter->drawPixmap(option.rect.topLeft(), px);
  53             offset += QPoint(textSize.height() + 5, 0);
  54         }
  55         if (event->type() == ApiTraceEvent::Call) {
  56             ApiTraceCall *call = static_cast<ApiTraceCall*>(event);
  57             if (call->hasError()) {
  58                 QPixmap px = m_errorEmblem.pixmap(textSize.height(),
  59                                                   textSize.height());
  60                 painter->drawPixmap(offset, px);
  61                 offset += QPoint(textSize.height() + 5, 0);
  62             }
  63             if (call->edited()) {
  64                 QPixmap px = m_editEmblem.pixmap(textSize.height(),
  65                                                  textSize.height());
  66                 painter->drawPixmap(offset, px);
  67                 offset += QPoint(textSize.height() + 5, 0);
  68             }
  69         }
  70
  71         painter->drawStaticText(offset, text);
  72     } else {
  73         QStyledItemDelegate::paint(painter, option, index);
  74     }
  75 }
  76
  77 QSize ApiCallDelegate::sizeHint(const QStyleOptionViewItem &option,
  78                                 const QModelIndex &index) const
  79 {
  80     QVariant var = index.data(ApiTraceModel::EventRole);
  81     ApiTraceEvent *event = var.value<ApiTraceEvent*>();
  82
  83 #ifndef __APPLE__
  84     /* XXX: This fails on MacOSX, but seems safe to ignore */
  85     Q_ASSERT(index.column() == 0);
  86 #endif
  87
  88     if (event) {
  89         QStaticText text = event->staticText();
  90         //text.setTextWidth(option.rect.width());
  91         //qDebug()<<"text size = "<<text.size();
  92         QSize size = text.size().toSize();
  93
  94         // Adjust for thumbnail
  95         if (event->type() == ApiTraceEvent::Frame) {
  96             ApiTraceFrame *frame = static_cast<ApiTraceFrame*>(event);
  97             const QImage & thumbnail = frame->thumbnail();
  98             if (!thumbnail.isNull()) {
  99                 size.rwidth() += thumbnail.width();
 100                 if (size.height() < thumbnail.height()) {
 101                     size.setHeight(thumbnail.height());
 102                 }
 103             }
 104         }
 105
 106         return size;
 107     }
 108     return QStyledItemDelegate::sizeHint(option, index);
 109 }
 110
 111
 112 #include "apicalldelegate.moc"