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macOs : add command key for fix mouse scroll

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Laurent Trinques
2019-09-09 09:02:16 +02:00
parent a0a7513847
commit ccb8b06427
1 changed files with 16 additions and 19 deletions
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35
sources/projectview.h
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@@ -20,22 +20,17 @@
#include <QWidget> #include <QWidget>
#include <QtWidgets> #include <QtWidgets>
#include <QTabBar>
#include "templatelocation.h" #include "templatelocation.h"
#include "qetresult.h" #include "qetresult.h"
#ifdef Q_OS_MACOS #ifdef Q_OS_MACOS
class WheelEnabledTabBar : public QTabWidget class WheelEnabledTabBar : public QTabWidget
{ {
// It works on Mac using arrows keys, button arrows and mouse
// Maybe it needs to use only scroll right-left, not up-down
public: public:
WheelEnabledTabBar(QWidget *parent = nullptr) WheelEnabledTabBar(QWidget *parent = nullptr)
// : QTabBar(parent)
: QTabWidget(parent) : QTabWidget(parent)
{} {}
@@ -46,24 +41,26 @@ public:
int index = currentIndex(); int index = currentIndex();
double delta = 0; double delta = 0;
double scale_factor = 0.005; // Decrease or increase speed of mouse wheel (0.04 = decrease) double scale_factor = 0.005; // Decrease or increase speed of mouse wheel (0.04 = decrease)
if (event->modifiers() & Qt::ControlModifier) {
if (index != -1) {
delta = event->delta() * scale_factor; // Read and scale the scroll value
if (delta > 0 && (temp_index > -1)) temp_index = temp_index - abs(delta);
if (delta < 0 && (temp_index < count())) temp_index = temp_index + abs(delta);
if ((index != -1) && (event->orientation() == Qt::Horizontal)) { index = int (temp_index);
delta = event->delta() * scale_factor; // Read and scale the scroll value qDebug() << "index" << index << "temp_index" << temp_index << " " << event->delta() << delta;
if (delta > 0 && (temp_index > -1)) temp_index = temp_index - abs(delta);
if (delta < 0 && (temp_index < count())) temp_index = temp_index + abs(delta);
index = int (temp_index); if (index >= 0 && index < count())
qDebug() << "index" << index << "temp_index" << temp_index << " " << event->delta() << delta; setCurrentIndex(index);
if (index >= 0 && index < count()) // qDebug() << currentIndex();
setCurrentIndex(index); }
}
// qDebug() << currentIndex(); }
}
}
}; };
#endif #endif
class QETProject; class QETProject;
class DiagramView; class DiagramView;
class Diagram; class Diagram;