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UI: Rename 'obs' dir to 'UI'
This is to prevent confusion both when prefixing commits and when reading the directory structure for the first time.
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jp9000
369
UI/window-basic-interaction.cpp
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369
UI/window-basic-interaction.cpp
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/******************************************************************************
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Copyright (C) 2014 by Hugh Bailey <obs.jim@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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#include "obs-app.hpp"
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#include "window-basic-interaction.hpp"
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#include "window-basic-main.hpp"
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#include "qt-wrappers.hpp"
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#include "display-helpers.hpp"
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#include <QKeyEvent>
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#include <QCloseEvent>
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#include <QScreen>
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#include <QWindow>
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using namespace std;
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OBSBasicInteraction::OBSBasicInteraction(QWidget *parent, OBSSource source_)
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: QDialog (parent),
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main (qobject_cast<OBSBasic*>(parent)),
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ui (new Ui::OBSBasicInteraction),
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source (source_),
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removedSignal (obs_source_get_signal_handler(source), "remove",
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OBSBasicInteraction::SourceRemoved, this),
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renamedSignal (obs_source_get_signal_handler(source), "rename",
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OBSBasicInteraction::SourceRenamed, this),
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eventFilter (BuildEventFilter())
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{
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int cx = (int)config_get_int(App()->GlobalConfig(), "InteractionWindow",
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"cx");
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int cy = (int)config_get_int(App()->GlobalConfig(), "InteractionWindow",
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"cy");
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ui->setupUi(this);
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ui->preview->setMouseTracking(true);
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ui->preview->setFocusPolicy(Qt::StrongFocus);
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ui->preview->installEventFilter(eventFilter.get());
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if (cx > 400 && cy > 400)
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resize(cx, cy);
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OBSData settings = obs_source_get_settings(source);
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obs_data_release(settings);
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const char *name = obs_source_get_name(source);
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setWindowTitle(QTStr("Basic.InteractionWindow").arg(QT_UTF8(name)));
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auto addDrawCallback = [this] ()
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{
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obs_display_add_draw_callback(ui->preview->GetDisplay(),
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OBSBasicInteraction::DrawPreview, this);
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};
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connect(ui->preview, &OBSQTDisplay::DisplayCreated, addDrawCallback);
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}
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OBSBasicInteraction::~OBSBasicInteraction()
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{
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// since QT fakes a mouse movement while destructing a widget
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// remove our event filter
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ui->preview->removeEventFilter(eventFilter.get());
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}
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OBSEventFilter *OBSBasicInteraction::BuildEventFilter()
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{
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return new OBSEventFilter(
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[this](QObject *obj, QEvent *event)
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{
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UNUSED_PARAMETER(obj);
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switch(event->type()) {
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case QEvent::MouseButtonPress:
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case QEvent::MouseButtonRelease:
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case QEvent::MouseButtonDblClick:
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return this->HandleMouseClickEvent(
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static_cast<QMouseEvent *>(event));
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case QEvent::MouseMove:
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case QEvent::Enter:
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case QEvent::Leave:
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return this->HandleMouseMoveEvent(
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static_cast<QMouseEvent *>(event));
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case QEvent::Wheel:
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return this->HandleMouseWheelEvent(
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static_cast<QWheelEvent *>(event));
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case QEvent::FocusIn:
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case QEvent::FocusOut:
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return this->HandleFocusEvent(
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static_cast<QFocusEvent *>(event));
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case QEvent::KeyPress:
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case QEvent::KeyRelease:
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return this->HandleKeyEvent(
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static_cast<QKeyEvent *>(event));
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default:
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return false;
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}
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});
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}
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void OBSBasicInteraction::SourceRemoved(void *data, calldata_t *params)
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{
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QMetaObject::invokeMethod(static_cast<OBSBasicInteraction*>(data),
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"close");
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UNUSED_PARAMETER(params);
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}
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void OBSBasicInteraction::SourceRenamed(void *data, calldata_t *params)
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{
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const char *name = calldata_string(params, "new_name");
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QString title = QTStr("Basic.InteractionWindow").arg(QT_UTF8(name));
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QMetaObject::invokeMethod(static_cast<OBSBasicProperties*>(data),
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"setWindowTitle", Q_ARG(QString, title));
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}
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void OBSBasicInteraction::DrawPreview(void *data, uint32_t cx, uint32_t cy)
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{
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OBSBasicInteraction *window = static_cast<OBSBasicInteraction*>(data);
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if (!window->source)
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return;
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uint32_t sourceCX = max(obs_source_get_width(window->source), 1u);
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uint32_t sourceCY = max(obs_source_get_height(window->source), 1u);
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int x, y;
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int newCX, newCY;
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float scale;
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GetScaleAndCenterPos(sourceCX, sourceCY, cx, cy, x, y, scale);
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newCX = int(scale * float(sourceCX));
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newCY = int(scale * float(sourceCY));
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gs_viewport_push();
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gs_projection_push();
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gs_ortho(0.0f, float(sourceCX), 0.0f, float(sourceCY),
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-100.0f, 100.0f);
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gs_set_viewport(x, y, newCX, newCY);
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obs_source_video_render(window->source);
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gs_projection_pop();
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gs_viewport_pop();
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}
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void OBSBasicInteraction::closeEvent(QCloseEvent *event)
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{
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QDialog::closeEvent(event);
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if (!event->isAccepted())
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return;
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config_set_int(App()->GlobalConfig(), "InteractionWindow", "cx",
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width());
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config_set_int(App()->GlobalConfig(), "InteractionWindow", "cy",
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height());
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obs_display_remove_draw_callback(ui->preview->GetDisplay(),
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OBSBasicInteraction::DrawPreview, this);
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}
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static int TranslateQtKeyboardEventModifiers(QInputEvent *event, bool mouseEvent) {
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int obsModifiers = INTERACT_NONE;
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if (event->modifiers().testFlag(Qt::ShiftModifier))
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obsModifiers |= INTERACT_SHIFT_KEY;
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if (event->modifiers().testFlag(Qt::AltModifier))
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obsModifiers |= INTERACT_ALT_KEY;
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#ifdef __APPLE__
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// Mac: Meta = Control, Control = Command
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if (event->modifiers().testFlag(Qt::ControlModifier))
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obsModifiers |= INTERACT_COMMAND_KEY;
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if (event->modifiers().testFlag(Qt::MetaModifier))
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obsModifiers |= INTERACT_CONTROL_KEY;
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#else
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// Handle windows key? Can a browser even trap that key?
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if (event->modifiers().testFlag(Qt::ControlModifier))
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obsModifiers |= INTERACT_CONTROL_KEY;
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#endif
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if (!mouseEvent) {
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if (event->modifiers().testFlag(Qt::KeypadModifier))
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obsModifiers |= INTERACT_IS_KEY_PAD;
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}
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return obsModifiers;
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}
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static int TranslateQtMouseEventModifiers(
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QMouseEvent *event)
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{
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int modifiers = TranslateQtKeyboardEventModifiers(event, true);
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if (event->buttons().testFlag(Qt::LeftButton))
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modifiers |= INTERACT_MOUSE_LEFT;
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if (event->buttons().testFlag(Qt::MiddleButton))
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modifiers |= INTERACT_MOUSE_MIDDLE;
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if (event->buttons().testFlag(Qt::RightButton))
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modifiers |= INTERACT_MOUSE_RIGHT;
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return modifiers;
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}
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bool OBSBasicInteraction::GetSourceRelativeXY(
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int mouseX, int mouseY, int &relX, int &relY)
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{
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QSize size = GetPixelSize(ui->preview);
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uint32_t sourceCX = max(obs_source_get_width(source), 1u);
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uint32_t sourceCY = max(obs_source_get_height(source), 1u);
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int x, y;
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float scale;
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GetScaleAndCenterPos(sourceCX, sourceCY, size.width(), size.height(),
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x, y, scale);
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if (x > 0) {
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relX = int(float(mouseX - x) / scale);
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relY = int(float(mouseY / scale));
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} else {
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relX = int(float(mouseX / scale));
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relY = int(float(mouseY - y) / scale);
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}
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// Confirm mouse is inside the source
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if (relX < 0 || relX > int(sourceCX))
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return false;
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if (relY < 0 || relY > int(sourceCY))
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return false;
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return true;
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}
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bool OBSBasicInteraction::HandleMouseClickEvent(
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QMouseEvent *event)
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{
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bool mouseUp = event->type() == QEvent::MouseButtonRelease;
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int clickCount = 1;
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if (event->type() == QEvent::MouseButtonDblClick)
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clickCount = 2;
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struct obs_mouse_event mouseEvent = {};
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mouseEvent.modifiers = TranslateQtMouseEventModifiers(event);
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int32_t button = 0;
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switch (event->button()) {
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case Qt::LeftButton:
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button = MOUSE_LEFT;
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break;
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case Qt::MiddleButton:
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button = MOUSE_MIDDLE;
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break;
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case Qt::RightButton:
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button = MOUSE_RIGHT;
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break;
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default:
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blog(LOG_WARNING, "unknown button type %d",
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event->button());
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return false;
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}
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// Why doesn't this work?
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//if (event->flags().testFlag(Qt::MouseEventCreatedDoubleClick))
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// clickCount = 2;
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bool insideSource = GetSourceRelativeXY(event->x(), event->y(),
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mouseEvent.x, mouseEvent.y);
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if (mouseUp || insideSource)
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obs_source_send_mouse_click(source, &mouseEvent, button,
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mouseUp, clickCount);
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return true;
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}
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bool OBSBasicInteraction::HandleMouseMoveEvent(QMouseEvent *event)
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{
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struct obs_mouse_event mouseEvent = {};
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bool mouseLeave = event->type() == QEvent::Leave;
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if (!mouseLeave) {
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mouseEvent.modifiers = TranslateQtMouseEventModifiers(event);
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mouseLeave = !GetSourceRelativeXY(event->x(), event->y(),
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mouseEvent.x, mouseEvent.y);
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}
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obs_source_send_mouse_move(source, &mouseEvent, mouseLeave);
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return true;
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}
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bool OBSBasicInteraction::HandleMouseWheelEvent(QWheelEvent *event)
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{
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struct obs_mouse_event mouseEvent = {};
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mouseEvent.modifiers = TranslateQtKeyboardEventModifiers(event, true);
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int xDelta = 0;
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int yDelta = 0;
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if (!event->pixelDelta().isNull()) {
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if (event->orientation() == Qt::Horizontal)
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xDelta = event->pixelDelta().x();
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else
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yDelta = event->pixelDelta().y();
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} else {
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if (event->orientation() == Qt::Horizontal)
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xDelta = event->delta();
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else
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yDelta = event->delta();
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}
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if (GetSourceRelativeXY(event->x(), event->y(), mouseEvent.x,
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mouseEvent.y))
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obs_source_send_mouse_wheel(source, &mouseEvent, xDelta,
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yDelta);
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return true;
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}
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bool OBSBasicInteraction::HandleFocusEvent(QFocusEvent *event)
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{
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bool focus = event->type() == QEvent::FocusIn;
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obs_source_send_focus(source, focus);
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return true;
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}
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bool OBSBasicInteraction::HandleKeyEvent(QKeyEvent *event)
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{
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struct obs_key_event keyEvent;
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QByteArray text = event->text().toUtf8();
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keyEvent.modifiers = TranslateQtKeyboardEventModifiers(event, false);
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keyEvent.text = text.data();
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keyEvent.native_modifiers = event->nativeModifiers();
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keyEvent.native_scancode = event->nativeScanCode();
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keyEvent.native_vkey = event->nativeVirtualKey();
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bool keyUp = event->type() == QEvent::KeyRelease;
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obs_source_send_key_click(source, &keyEvent, keyUp);
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return true;
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}
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void OBSBasicInteraction::Init()
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{
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show();
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}
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