pcsx2/pcsx2-qt/QtUtils.cpp

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/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2022 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "PrecompiledHeader.h"
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#include "QtUtils.h"
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#include <QtCore/QCoreApplication>
#include <QtCore/QMetaObject>
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#include <QtGui/QAction>
#include <QtGui/QGuiApplication>
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#include <QtGui/QDesktopServices>
#include <QtGui/QKeyEvent>
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#include <QtGui/QScreen>
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#include <QtWidgets/QComboBox>
#include <QtWidgets/QDialog>
#include <QtWidgets/QHeaderView>
#include <QtWidgets/QInputDialog>
#include <QtWidgets/QMainWindow>
#include <QtWidgets/QMessageBox>
#include <QtWidgets/QScrollBar>
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#include <QtWidgets/QStatusBar>
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#include <QtWidgets/QStyle>
#include <QtWidgets/QTableView>
#include <QtWidgets/QTreeView>
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#include <algorithm>
#include <array>
#include <map>
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#if defined(_WIN32)
#include "common/RedtapeWindows.h"
#elif !defined(APPLE)
#include <qpa/qplatformnativeinterface.h>
#endif
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namespace QtUtils
{
void MarkActionAsDefault(QAction* action)
{
QFont new_font(action->font());
new_font.setBold(true);
action->setFont(new_font);
}
QFrame* CreateHorizontalLine(QWidget* parent)
{
QFrame* line = new QFrame(parent);
line->setFrameShape(QFrame::HLine);
line->setFrameShadow(QFrame::Sunken);
return line;
}
QWidget* GetRootWidget(QWidget* widget, bool stop_at_window_or_dialog)
{
QWidget* next_parent = widget->parentWidget();
while (next_parent)
{
if (stop_at_window_or_dialog && (widget->metaObject()->inherits(&QMainWindow::staticMetaObject) ||
widget->metaObject()->inherits(&QDialog::staticMetaObject)))
{
break;
}
widget = next_parent;
next_parent = widget->parentWidget();
}
return widget;
}
template <typename T>
static void ResizeColumnsForView(T* view, const std::initializer_list<int>& widths)
{
QHeaderView* header;
if constexpr (std::is_same_v<T, QTableView>)
header = view->horizontalHeader();
else
header = view->header();
const int min_column_width = header->minimumSectionSize();
const int scrollbar_width = ((view->verticalScrollBar() && view->verticalScrollBar()->isVisible()) ||
view->verticalScrollBarPolicy() == Qt::ScrollBarAlwaysOn) ?
view->verticalScrollBar()->width() :
0;
int num_flex_items = 0;
int total_width = 0;
int column_index = 0;
for (const int spec_width : widths)
{
if (!view->isColumnHidden(column_index))
{
if (spec_width < 0)
num_flex_items++;
else
total_width += std::max(spec_width, min_column_width);
}
column_index++;
}
const int flex_width =
(num_flex_items > 0) ?
std::max((view->contentsRect().width() - total_width - scrollbar_width) / num_flex_items, 1) :
0;
column_index = 0;
for (const int spec_width : widths)
{
if (view->isColumnHidden(column_index))
{
column_index++;
continue;
}
const int width = spec_width < 0 ? flex_width : (std::max(spec_width, min_column_width));
view->setColumnWidth(column_index, width);
column_index++;
}
}
void ResizeColumnsForTableView(QTableView* view, const std::initializer_list<int>& widths)
{
ResizeColumnsForView(view, widths);
}
void ResizeColumnsForTreeView(QTreeView* view, const std::initializer_list<int>& widths)
{
ResizeColumnsForView(view, widths);
}
void OpenURL(QWidget* parent, const QUrl& qurl)
{
if (!QDesktopServices::openUrl(qurl))
{
QMessageBox::critical(parent, QObject::tr("Failed to open URL"),
QObject::tr("Failed to open URL.\n\nThe URL was: %1").arg(qurl.toString()));
}
}
void OpenURL(QWidget* parent, const char* url)
{
return OpenURL(parent, QUrl::fromEncoded(QByteArray(url, static_cast<int>(std::strlen(url)))));
}
void OpenURL(QWidget* parent, const QString& url)
{
return OpenURL(parent, QUrl(url));
}
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QString StringViewToQString(const std::string_view& str)
{
return str.empty() ? QString() : QString::fromUtf8(str.data(), str.size());
}
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void SetWidgetFontForInheritedSetting(QWidget* widget, bool inherited)
{
if (widget->font().italic() != inherited)
{
QFont new_font(widget->font());
new_font.setItalic(inherited);
widget->setFont(new_font);
}
}
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void SetWindowResizeable(QWidget* widget, bool resizeable)
{
if (QMainWindow* window = qobject_cast<QMainWindow*>(widget); window)
{
// update status bar grip if present
if (QStatusBar* sb = window->statusBar(); sb)
sb->setSizeGripEnabled(resizeable);
}
if ((widget->sizePolicy().horizontalPolicy() == QSizePolicy::Preferred) != resizeable)
{
if (resizeable)
{
// Min/max numbers come from uic.
widget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
widget->setMinimumSize(1, 1);
widget->setMaximumSize(16777215, 16777215);
}
else
{
widget->setFixedSize(widget->size());
widget->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
}
}
}
void ResizePotentiallyFixedSizeWindow(QWidget* widget, int width, int height)
{
width = std::max(width, 1);
height = std::max(height, 1);
if (widget->sizePolicy().horizontalPolicy() == QSizePolicy::Fixed)
widget->setFixedSize(width, height);
widget->resize(width, height);
}
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qreal GetDevicePixelRatioForWidget(const QWidget* widget)
{
const QScreen* screen_for_ratio = widget->screen();
if (!screen_for_ratio)
screen_for_ratio = QGuiApplication::primaryScreen();
return screen_for_ratio ? screen_for_ratio->devicePixelRatio() : static_cast<qreal>(1);
}
std::optional<WindowInfo> GetWindowInfoForWidget(QWidget* widget)
{
WindowInfo wi;
// Windows and Apple are easy here since there's no display connection.
#if defined(_WIN32)
wi.type = WindowInfo::Type::Win32;
wi.window_handle = reinterpret_cast<void*>(widget->winId());
#elif defined(__APPLE__)
wi.type = WindowInfo::Type::MacOS;
wi.window_handle = reinterpret_cast<void*>(widget->winId());
#else
QPlatformNativeInterface* pni = QGuiApplication::platformNativeInterface();
const QString platform_name = QGuiApplication::platformName();
if (platform_name == QStringLiteral("xcb"))
{
wi.type = WindowInfo::Type::X11;
wi.display_connection = pni->nativeResourceForWindow("display", widget->windowHandle());
wi.window_handle = reinterpret_cast<void*>(widget->winId());
}
else if (platform_name == QStringLiteral("wayland"))
{
wi.type = WindowInfo::Type::Wayland;
wi.display_connection = pni->nativeResourceForWindow("display", widget->windowHandle());
wi.window_handle = pni->nativeResourceForWindow("surface", widget->windowHandle());
}
else
{
qCritical() << "Unknown PNI platform " << platform_name;
return std::nullopt;
}
#endif
const qreal dpr = GetDevicePixelRatioForWidget(widget);
wi.surface_width = static_cast<u32>(static_cast<qreal>(widget->width()) * dpr);
wi.surface_height = static_cast<u32>(static_cast<qreal>(widget->height()) * dpr);
wi.surface_scale = static_cast<float>(dpr);
return wi;
}
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} // namespace QtUtils