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- /******************************************************************************
- Copyright (C) 2013 by Hugh Bailey <[email protected]>
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 2 of the License, or
- (at your option) any later version.
- This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
- ******************************************************************************/
- #include "qt-wrappers.hpp"
- #include "obs-app.hpp"
- #include <graphics/graphics.h>
- #include <util/threading.h>
- #include <QWidget>
- #include <QLayout>
- #include <QComboBox>
- #include <QMessageBox>
- #include <QDataStream>
- #include <QKeyEvent>
- #include <QFileDialog>
- #include <QStandardItemModel>
- #include <QLabel>
- #include <QPushButton>
- #include <QToolBar>
- #if !defined(_WIN32) && !defined(__APPLE__)
- #include <obs-nix-platform.h>
- #endif
- #ifdef ENABLE_WAYLAND
- #include <qpa/qplatformnativeinterface.h>
- #endif
- static inline void OBSErrorBoxva(QWidget *parent, const char *msg, va_list args)
- {
- char full_message[4096];
- vsnprintf(full_message, sizeof(full_message), msg, args);
- QMessageBox::critical(parent, "Error", full_message);
- }
- void OBSErrorBox(QWidget *parent, const char *msg, ...)
- {
- va_list args;
- va_start(args, msg);
- OBSErrorBoxva(parent, msg, args);
- va_end(args);
- }
- QMessageBox::StandardButton
- OBSMessageBox::question(QWidget *parent, const QString &title,
- const QString &text,
- QMessageBox::StandardButtons buttons,
- QMessageBox::StandardButton defaultButton)
- {
- QMessageBox mb(QMessageBox::Question, title, text,
- QMessageBox::NoButton, parent);
- mb.setDefaultButton(defaultButton);
- if (buttons & QMessageBox::Ok) {
- QPushButton *button = mb.addButton(QMessageBox::Ok);
- button->setText(QTStr("OK"));
- }
- #define add_button(x) \
- if (buttons & QMessageBox::x) { \
- QPushButton *button = mb.addButton(QMessageBox::x); \
- button->setText(QTStr(#x)); \
- }
- add_button(Open);
- add_button(Save);
- add_button(Cancel);
- add_button(Close);
- add_button(Discard);
- add_button(Apply);
- add_button(Reset);
- add_button(Yes);
- add_button(No);
- add_button(Abort);
- add_button(Retry);
- add_button(Ignore);
- #undef add_button
- return (QMessageBox::StandardButton)mb.exec();
- }
- void OBSMessageBox::information(QWidget *parent, const QString &title,
- const QString &text)
- {
- QMessageBox mb(QMessageBox::Information, title, text,
- QMessageBox::NoButton, parent);
- mb.addButton(QTStr("OK"), QMessageBox::AcceptRole);
- mb.exec();
- }
- void OBSMessageBox::warning(QWidget *parent, const QString &title,
- const QString &text, bool enableRichText)
- {
- QMessageBox mb(QMessageBox::Warning, title, text, QMessageBox::NoButton,
- parent);
- if (enableRichText)
- mb.setTextFormat(Qt::RichText);
- mb.addButton(QTStr("OK"), QMessageBox::AcceptRole);
- mb.exec();
- }
- void OBSMessageBox::critical(QWidget *parent, const QString &title,
- const QString &text)
- {
- QMessageBox mb(QMessageBox::Critical, title, text,
- QMessageBox::NoButton, parent);
- mb.addButton(QTStr("OK"), QMessageBox::AcceptRole);
- mb.exec();
- }
- bool QTToGSWindow(QWindow *window, gs_window &gswindow)
- {
- bool success = true;
- #ifdef _WIN32
- gswindow.hwnd = (HWND)window->winId();
- #elif __APPLE__
- gswindow.view = (id)window->winId();
- #else
- switch (obs_get_nix_platform()) {
- case OBS_NIX_PLATFORM_X11_EGL:
- gswindow.id = window->winId();
- gswindow.display = obs_get_nix_platform_display();
- break;
- #ifdef ENABLE_WAYLAND
- case OBS_NIX_PLATFORM_WAYLAND: {
- QPlatformNativeInterface *native =
- QGuiApplication::platformNativeInterface();
- gswindow.display =
- native->nativeResourceForWindow("surface", window);
- success = gswindow.display != nullptr;
- break;
- }
- #endif
- default:
- success = false;
- break;
- }
- #endif
- return success;
- }
- uint32_t TranslateQtKeyboardEventModifiers(Qt::KeyboardModifiers mods)
- {
- int obsModifiers = INTERACT_NONE;
- if (mods.testFlag(Qt::ShiftModifier))
- obsModifiers |= INTERACT_SHIFT_KEY;
- if (mods.testFlag(Qt::AltModifier))
- obsModifiers |= INTERACT_ALT_KEY;
- #ifdef __APPLE__
- // Mac: Meta = Control, Control = Command
- if (mods.testFlag(Qt::ControlModifier))
- obsModifiers |= INTERACT_COMMAND_KEY;
- if (mods.testFlag(Qt::MetaModifier))
- obsModifiers |= INTERACT_CONTROL_KEY;
- #else
- // Handle windows key? Can a browser even trap that key?
- if (mods.testFlag(Qt::ControlModifier))
- obsModifiers |= INTERACT_CONTROL_KEY;
- if (mods.testFlag(Qt::MetaModifier))
- obsModifiers |= INTERACT_COMMAND_KEY;
- #endif
- return obsModifiers;
- }
- QDataStream &operator<<(QDataStream &out,
- const std::vector<std::shared_ptr<OBSSignal>> &)
- {
- return out;
- }
- QDataStream &operator>>(QDataStream &in,
- std::vector<std::shared_ptr<OBSSignal>> &)
- {
- return in;
- }
- QDataStream &operator<<(QDataStream &out, const OBSScene &scene)
- {
- return out << QString(obs_source_get_uuid(obs_scene_get_source(scene)));
- }
- QDataStream &operator>>(QDataStream &in, OBSScene &scene)
- {
- QString uuid;
- in >> uuid;
- OBSSourceAutoRelease source = obs_get_source_by_uuid(QT_TO_UTF8(uuid));
- scene = obs_scene_from_source(source);
- return in;
- }
- void DeleteLayout(QLayout *layout)
- {
- if (!layout)
- return;
- for (;;) {
- QLayoutItem *item = layout->takeAt(0);
- if (!item)
- break;
- QLayout *subLayout = item->layout();
- if (subLayout) {
- DeleteLayout(subLayout);
- } else {
- delete item->widget();
- delete item;
- }
- }
- delete layout;
- }
- class QuickThread : public QThread {
- public:
- explicit inline QuickThread(std::function<void()> func_) : func(func_)
- {
- }
- private:
- virtual void run() override { func(); }
- std::function<void()> func;
- };
- QThread *CreateQThread(std::function<void()> func)
- {
- return new QuickThread(func);
- }
- volatile long insideEventLoop = 0;
- void ExecuteFuncSafeBlock(std::function<void()> func)
- {
- QEventLoop eventLoop;
- auto wait = [&]() {
- func();
- QMetaObject::invokeMethod(&eventLoop, "quit",
- Qt::QueuedConnection);
- };
- os_atomic_inc_long(&insideEventLoop);
- QScopedPointer<QThread> thread(CreateQThread(wait));
- thread->start();
- eventLoop.exec();
- thread->wait();
- os_atomic_dec_long(&insideEventLoop);
- }
- void ExecuteFuncSafeBlockMsgBox(std::function<void()> func,
- const QString &title, const QString &text)
- {
- QMessageBox dlg;
- dlg.setWindowFlags(dlg.windowFlags() & ~Qt::WindowCloseButtonHint);
- dlg.setWindowTitle(title);
- dlg.setText(text);
- dlg.setStandardButtons(QMessageBox::StandardButtons());
- auto wait = [&]() {
- func();
- QMetaObject::invokeMethod(&dlg, "accept", Qt::QueuedConnection);
- };
- os_atomic_inc_long(&insideEventLoop);
- QScopedPointer<QThread> thread(CreateQThread(wait));
- thread->start();
- dlg.exec();
- thread->wait();
- os_atomic_dec_long(&insideEventLoop);
- }
- static bool enable_message_boxes = false;
- void EnableThreadedMessageBoxes(bool enable)
- {
- enable_message_boxes = enable;
- }
- void ExecThreadedWithoutBlocking(std::function<void()> func,
- const QString &title, const QString &text)
- {
- if (!enable_message_boxes)
- ExecuteFuncSafeBlock(func);
- else
- ExecuteFuncSafeBlockMsgBox(func, title, text);
- }
- bool LineEditCanceled(QEvent *event)
- {
- if (event->type() == QEvent::KeyPress) {
- QKeyEvent *keyEvent = reinterpret_cast<QKeyEvent *>(event);
- return keyEvent->key() == Qt::Key_Escape;
- }
- return false;
- }
- bool LineEditChanged(QEvent *event)
- {
- if (event->type() == QEvent::KeyPress) {
- QKeyEvent *keyEvent = reinterpret_cast<QKeyEvent *>(event);
- switch (keyEvent->key()) {
- case Qt::Key_Tab:
- case Qt::Key_Backtab:
- case Qt::Key_Enter:
- case Qt::Key_Return:
- return true;
- }
- } else if (event->type() == QEvent::FocusOut) {
- return true;
- }
- return false;
- }
- void SetComboItemEnabled(QComboBox *c, int idx, bool enabled)
- {
- QStandardItemModel *model =
- dynamic_cast<QStandardItemModel *>(c->model());
- QStandardItem *item = model->item(idx);
- item->setFlags(enabled ? Qt::ItemIsSelectable | Qt::ItemIsEnabled
- : Qt::NoItemFlags);
- }
- void setThemeID(QWidget *widget, const QString &themeID)
- {
- if (widget->property("themeID").toString() != themeID) {
- widget->setProperty("themeID", themeID);
- /* force style sheet recalculation */
- QString qss = widget->styleSheet();
- widget->setStyleSheet("/* */");
- widget->setStyleSheet(qss);
- }
- }
- QString SelectDirectory(QWidget *parent, QString title, QString path)
- {
- QString dir = QFileDialog::getExistingDirectory(
- parent, title, path,
- QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
- return dir;
- }
- QString SaveFile(QWidget *parent, QString title, QString path,
- QString extensions)
- {
- QString file =
- QFileDialog::getSaveFileName(parent, title, path, extensions);
- return file;
- }
- QString OpenFile(QWidget *parent, QString title, QString path,
- QString extensions)
- {
- QString file =
- QFileDialog::getOpenFileName(parent, title, path, extensions);
- return file;
- }
- QStringList OpenFiles(QWidget *parent, QString title, QString path,
- QString extensions)
- {
- QStringList files =
- QFileDialog::getOpenFileNames(parent, title, path, extensions);
- return files;
- }
- static void SetLabelText(QLabel *label, const QString &newText)
- {
- if (label->text() != newText)
- label->setText(newText);
- }
- void TruncateLabel(QLabel *label, QString newText, int length)
- {
- if (newText.length() < length) {
- label->setToolTip(QString());
- SetLabelText(label, newText);
- return;
- }
- label->setToolTip(newText);
- newText.truncate(length);
- newText += "...";
- SetLabelText(label, newText);
- }
- void RefreshToolBarStyling(QToolBar *toolBar)
- {
- for (QAction *action : toolBar->actions()) {
- QWidget *widget = toolBar->widgetForAction(action);
- if (!widget)
- continue;
- widget->style()->unpolish(widget);
- widget->style()->polish(widget);
- }
- }
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