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source-dock.cpp
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source-dock.cpp
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#include "source-dock.hpp"
#include <obs-module.h>
#include <QGuiApplication>
#include <QLabel>
#include <QMainWindow>
#include <QMenu>
#include <QPushButton>
#include <QWidgetAction>
#include <QWindow>
#include <QScreen>
#include <QVBoxLayout>
#include <QScrollArea>
#include <QSplitter>
#include <QFont>
#include <QFontDialog>
#include <QColorDialog>
#include "media-control.hpp"
#include "source-dock-settings.hpp"
#include "version.h"
#include "graphics/matrix4.h"
#ifndef QT_UTF8
#define QT_UTF8(str) QString::fromUtf8(str)
#endif
#ifndef QT_TO_UTF8
#define QT_TO_UTF8(str) str.toUtf8().constData()
#endif
#define ACTIVE_NONE 0
#define ACTIVE_PREVIEW 1
#define ACTIVE_PROGRAM 2
#define ACTIVE_DOWNSTREAM_KEYER 3
OBS_DECLARE_MODULE()
OBS_MODULE_AUTHOR("Exeldro");
OBS_MODULE_USE_DEFAULT_LOCALE("source-dock", "en-US")
QMainWindow *GetSourceWindowByTitle(const QString window_name);
static void frontend_save_load(obs_data_t *save_data, bool saving, void *)
{
const auto main_window = static_cast<QMainWindow *>(obs_frontend_get_main_window());
if (saving) {
obs_data_t *obj = obs_data_create();
obs_data_array_t *docks = obs_data_array_create();
for (const auto &it : source_docks) {
obs_data_t *dock = obs_data_create();
if (!it->GetSelected()) {
obs_data_set_string(dock, "source_name", obs_source_get_name(it->GetSource()));
}
obs_data_set_bool(dock, "selected", it->GetSelected());
obs_data_set_string(dock, "title", QT_TO_UTF8(it->windowTitle()));
obs_data_set_bool(dock, "hidden", it->parentWidget()->isHidden());
obs_data_set_bool(dock, "preview", it->PreviewEnabled());
obs_data_set_bool(dock, "volmeter", it->VolMeterEnabled());
obs_data_set_bool(dock, "volcontrols", it->VolControlsEnabled());
obs_data_set_bool(dock, "mediacontrols", it->MediaControlsEnabled());
obs_data_set_bool(dock, "showtimedecimals", it->GetShowMs());
obs_data_set_bool(dock, "showtimedremaining", it->GetShowTimeRemaining());
obs_data_set_bool(dock, "switchscene", it->SwitchSceneEnabled());
obs_data_set_bool(dock, "showactive", it->ShowActiveEnabled());
obs_data_set_bool(dock, "sceneitems", it->SceneItemsEnabled());
obs_data_set_bool(dock, "properties", it->PropertiesEnabled());
obs_data_set_bool(dock, "filters", it->FiltersEnabled());
obs_data_set_bool(dock, "textinput", it->TextInputEnabled());
auto st = it->GetCustomTextInputStyle();
if (st)
obs_data_set_obj(dock, "textinputstyle", st);
obs_data_set_string(dock, "geometry", it->saveGeometry().toBase64().constData());
obs_data_set_string(dock, "split", it->saveSplitState().toBase64().constData());
auto *p = dynamic_cast<QMainWindow *>(it->parent()->parent());
if (!p || p == main_window) {
obs_data_set_string(dock, "window", "");
} else {
QString wt = p->windowTitle();
auto t = wt.toUtf8();
const char *wtc = t.constData();
obs_data_set_string(dock, "window", wtc);
}
if (p)
obs_data_set_int(dock, "dockarea", p->dockWidgetArea((QDockWidget *)it->parentWidget()));
obs_data_set_bool(dock, "floating", ((QDockWidget *)it->parentWidget())->isFloating());
obs_data_set_double(dock, "zoom", it->GetZoom());
obs_data_set_double(dock, "scrollx", it->GetScrollX());
obs_data_set_double(dock, "scrolly", it->GetScrollY());
obs_data_array_push_back(docks, dock);
obs_data_release(dock);
}
obs_data_set_array(obj, "docks", docks);
obs_data_array_release(docks);
obs_data_array_t *windows = obs_data_array_create();
for (const auto &it : source_windows) {
if (it->isHidden())
continue;
obs_data_t *window = obs_data_create();
QString wt = it->windowTitle();
auto t = wt.toUtf8();
const char *wtc = t.constData();
obs_data_set_string(window, "name", wtc);
obs_data_set_string(window, "geometry", it->saveGeometry().toBase64().constData());
obs_data_array_push_back(windows, window);
obs_data_release(window);
}
obs_data_set_array(obj, "windows", windows);
obs_data_array_release(windows);
obs_data_set_bool(obj, "corner_tl", main_window->corner(Qt::TopLeftCorner) == Qt::LeftDockWidgetArea);
obs_data_set_bool(obj, "corner_tr", main_window->corner(Qt::TopRightCorner) == Qt::RightDockWidgetArea);
obs_data_set_bool(obj, "corner_br", main_window->corner(Qt::BottomRightCorner) == Qt::RightDockWidgetArea);
obs_data_set_bool(obj, "corner_bl", main_window->corner(Qt::BottomLeftCorner) == Qt::LeftDockWidgetArea);
obs_data_set_obj(save_data, "source-dock", obj);
obs_data_release(obj);
} else {
for (const auto &it : source_docks) {
it->close();
it->deleteLater();
}
source_docks.clear();
obs_data_t *obj = obs_data_get_obj(save_data, "source-dock");
if (obj) {
main_window->setCorner(Qt::TopLeftCorner, obs_data_get_bool(obj, "corner_tl") ? Qt::LeftDockWidgetArea
: Qt::TopDockWidgetArea);
main_window->setCorner(Qt::TopRightCorner, obs_data_get_bool(obj, "corner_tr") ? Qt::RightDockWidgetArea
: Qt::TopDockWidgetArea);
main_window->setCorner(Qt::BottomRightCorner, obs_data_get_bool(obj, "corner_br")
? Qt::RightDockWidgetArea
: Qt::BottomDockWidgetArea);
main_window->setCorner(Qt::BottomLeftCorner, obs_data_get_bool(obj, "corner_bl")
? Qt::LeftDockWidgetArea
: Qt::BottomDockWidgetArea);
obs_frontend_push_ui_translation(obs_module_get_string);
obs_data_array_t *docks = obs_data_get_array(obj, "docks");
if (docks) {
size_t count = obs_data_array_count(docks);
for (size_t i = 0; i < count; i++) {
obs_data_t *dock = obs_data_array_item(docks, i);
obs_source_t *s = nullptr;
QString source_name;
if (!obs_data_get_bool(dock, "selected")) {
s = obs_get_source_by_name(obs_data_get_string(dock, "source_name"));
if (!s) {
obs_data_release(dock);
continue;
}
}
const auto windowName = QT_UTF8(obs_data_get_string(dock, "window"));
auto window = GetSourceWindowByTitle(windowName);
if (window == nullptr)
window = main_window;
SourceDock *tmp;
auto title = obs_data_get_string(dock, "title");
if (!title || !strlen(title)) {
if (s)
title = obs_source_get_name(s);
tmp = new SourceDock(title, s == nullptr, window);
tmp->SetSource(s);
tmp->EnablePreview();
tmp->EnableVolMeter();
tmp->EnableVolControls();
tmp->EnableMediaControls();
tmp->EnableSwitchScene();
tmp->EnableShowActive();
} else {
tmp = new SourceDock(title, s == nullptr, window);
tmp->SetSource(s);
}
source_docks.push_back(tmp);
if (obs_data_get_bool(dock, "preview"))
tmp->EnablePreview();
if (obs_data_get_bool(dock, "volmeter"))
tmp->EnableVolMeter();
if (obs_data_get_bool(dock, "volcontrols"))
tmp->EnableVolControls();
tmp->SetShowMs(obs_data_get_bool(dock, "showtimedecimals"));
tmp->SetShowTimeRemaining(obs_data_get_bool(dock, "showtimedremaining"));
if (obs_data_get_bool(dock, "mediacontrols"))
tmp->EnableMediaControls();
if (obs_data_get_bool(dock, "switchscene"))
tmp->EnableSwitchScene();
if (obs_data_get_bool(dock, "showactive"))
tmp->EnableShowActive();
if (obs_data_get_bool(dock, "properties"))
tmp->EnableProperties();
if (obs_data_get_bool(dock, "filters"))
tmp->EnableFilters();
if (obs_data_get_bool(dock, "sceneitems"))
tmp->EnableSceneItems();
if (obs_data_get_bool(dock, "textinput"))
tmp->EnableTextInput();
auto st = obs_data_get_obj(dock, "textinputstyle");
tmp->SetCustomTextInputStyle(st);
obs_data_release(st);
#if LIBOBS_API_VER >= MAKE_SEMANTIC_VERSION(30, 0, 0)
if (!obs_frontend_add_dock_by_id(title, title, tmp))
continue;
const auto d = static_cast<QDockWidget *>(tmp->parentWidget());
#else
const auto d = new QDockWidget(main_window);
d->setObjectName(QString::fromUtf8(title));
d->setWindowTitle(QString::fromUtf8(title));
d->setWidget(tmp);
d->setFeatures(QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetFloatable);
d->setFloating(true);
auto *a = static_cast<QAction *>(obs_frontend_add_dock(d));
tmp->setAction(a);
#endif
if (obs_data_get_bool(dock, "hidden"))
d->hide();
else
d->show();
obs_source_release(s);
const auto dockarea = static_cast<Qt::DockWidgetArea>(obs_data_get_int(dock, "dockarea"));
if (dockarea != window->dockWidgetArea(d))
window->addDockWidget(dockarea, d);
const auto floating = obs_data_get_bool(dock, "floating");
if (d->isFloating() != floating)
d->setFloating(floating);
const char *geometry = obs_data_get_string(dock, "geometry");
if (geometry && strlen(geometry))
d->restoreGeometry(QByteArray::fromBase64(QByteArray(geometry)));
const char *split = obs_data_get_string(dock, "split");
if (split && strlen(split))
tmp->restoreSplitState(QByteArray::fromBase64(QByteArray(split)));
tmp->SetZoom(obs_data_get_double(dock, "zoom"));
tmp->SetScrollX(obs_data_get_double(dock, "scrollx"));
tmp->SetScrollY(obs_data_get_double(dock, "scrolly"));
obs_data_release(dock);
}
obs_data_array_release(docks);
}
obs_data_array_t *windows = obs_data_get_array(obj, "windows");
if (windows) {
size_t count = obs_data_array_count(windows);
for (size_t i = 0; i < count; i++) {
obs_data_t *window = obs_data_array_item(windows, i);
auto mainWindow = GetSourceWindowByTitle(QT_UTF8(obs_data_get_string(window, "name")));
if (mainWindow) {
const char *geometry = obs_data_get_string(window, "geometry");
if (geometry && strlen(geometry))
mainWindow->restoreGeometry(QByteArray::fromBase64(QByteArray(geometry)));
}
obs_data_release(window);
}
obs_data_array_release(windows);
}
obs_frontend_pop_ui_translation();
obs_data_release(obj);
}
}
}
static void item_select(void *p, calldata_t *calldata)
{
UNUSED_PARAMETER(p);
auto item = (obs_sceneitem_t *)calldata_ptr(calldata, "item");
auto source = obs_sceneitem_get_source(item);
for (const auto &it : source_docks) {
if (!it->GetSelected())
continue;
it->SetSource(source);
}
}
obs_source_t *previous_scene = nullptr;
bool get_selected_source(obs_scene_t *obs_scene, obs_sceneitem_t *item, void *p)
{
UNUSED_PARAMETER(obs_scene);
if (!obs_sceneitem_selected(item))
return true;
auto source = obs_sceneitem_get_source(item);
*(obs_source_t **)p = source;
return false;
}
void update_selected_source()
{
if (!previous_scene)
return;
auto scene = obs_scene_from_source(previous_scene);
obs_source_t *selected_source = nullptr;
obs_scene_enum_items(scene, get_selected_source, &selected_source);
if (!selected_source)
return;
for (const auto &it : source_docks) {
if (!it->GetSelected())
continue;
it->SetSource(selected_source);
}
}
void set_previous_scene_empty(void *p, calldata_t *calldata)
{
UNUSED_PARAMETER(p);
UNUSED_PARAMETER(calldata);
if (!previous_scene)
return;
auto sh = obs_source_get_signal_handler(previous_scene);
if (sh) {
signal_handler_disconnect(sh, "item_select", item_select, nullptr);
signal_handler_disconnect(sh, "remove", set_previous_scene_empty, nullptr);
signal_handler_disconnect(sh, "destroy", set_previous_scene_empty, nullptr);
}
previous_scene = nullptr;
}
void update_active(void *param)
{
UNUSED_PARAMETER(param);
std::map<obs_source_t *, int> source_active;
for (const auto &it : source_docks) {
if (it->ShowActiveEnabled())
source_active[it->GetSource()] = ACTIVE_NONE;
}
if (source_active.empty())
return;
auto *preview = obs_frontend_get_current_preview_scene();
if (preview) {
for (auto &i : source_active) {
if (i.first == preview) {
i.second = ACTIVE_PREVIEW;
break;
}
}
obs_source_enum_active_tree(
preview,
[](obs_source_t *parent, obs_source_t *child, void *param) {
UNUSED_PARAMETER(parent);
auto m = static_cast<std::map<obs_source_t *, int> *>(param);
for (auto &i : *m) {
if (i.first == child) {
i.second = ACTIVE_PREVIEW;
break;
}
}
},
&source_active);
obs_source_release(preview);
}
for (uint32_t channel = 1; channel < MAX_CHANNELS; channel++) {
auto dsk = obs_get_output_source(channel);
if (!dsk)
continue;
const char *scene_name = obs_source_get_name(dsk);
for (auto &i : source_active) {
auto *sn = obs_source_get_name(i.first);
if (strcmp(sn, scene_name) == 0) {
i.second = ACTIVE_DOWNSTREAM_KEYER;
break;
}
}
obs_source_enum_active_tree(
dsk,
[](obs_source_t *parent, obs_source_t *child, void *param) {
UNUSED_PARAMETER(parent);
auto m = static_cast<std::map<obs_source_t *, int> *>(param);
const char *child_name = obs_source_get_name(child);
if (!child_name || strlen(child_name) == 0)
return;
for (auto &i : *m) {
auto *sn = obs_source_get_name(i.first);
if (strcmp(sn, child_name) == 0) {
i.second = ACTIVE_DOWNSTREAM_KEYER;
break;
}
}
},
&source_active);
obs_source_release(dsk);
}
if (auto *program = obs_frontend_get_current_scene()) {
const char *scene_name = obs_source_get_name(program);
for (auto &i : source_active) {
auto *sn = obs_source_get_name(i.first);
if (strcmp(sn, scene_name) == 0) {
i.second = ACTIVE_PROGRAM;
break;
}
}
obs_source_enum_active_tree(
program,
[](obs_source_t *parent, obs_source_t *child, void *param) {
UNUSED_PARAMETER(parent);
auto m = static_cast<std::map<obs_source_t *, int> *>(param);
const char *child_name = obs_source_get_name(child);
if (!child_name || strlen(child_name) == 0)
return;
for (auto &i : *m) {
auto *sn = obs_source_get_name(i.first);
if (strcmp(sn, child_name) == 0) {
i.second = ACTIVE_PROGRAM;
break;
}
}
},
&source_active);
obs_source_release(program);
}
for (const auto &it : source_docks) {
int active = source_active[it->GetSource().Get()];
QMetaObject::invokeMethod(it, "SetActive", Qt::QueuedConnection, Q_ARG(int, active));
//it->SetActive(source_active[it->GetSource().Get()]);
}
}
static void frontend_event(enum obs_frontend_event event, void *)
{
if (event == OBS_FRONTEND_EVENT_SCENE_COLLECTION_CLEANUP || event == OBS_FRONTEND_EVENT_EXIT) {
set_previous_scene_empty(nullptr, nullptr);
for (const auto &it : source_docks) {
#if LIBOBS_API_VER >= MAKE_SEMANTIC_VERSION(30, 0, 0)
obs_frontend_remove_dock(it->objectName().toUtf8().constData());
#else
it->parentWidget()->close();
delete (it->parentWidget());
delete (it);
#endif
}
source_docks.clear();
for (const auto &it : source_windows) {
it->close();
delete (it);
}
source_windows.clear();
} else if (event == OBS_FRONTEND_EVENT_SCENE_CHANGED || event == OBS_FRONTEND_EVENT_PREVIEW_SCENE_CHANGED ||
event == OBS_FRONTEND_EVENT_STUDIO_MODE_DISABLED || event == OBS_FRONTEND_EVENT_STUDIO_MODE_ENABLED) {
if (previous_scene) {
set_previous_scene_empty(nullptr, nullptr);
}
auto *preview = obs_frontend_get_current_preview_scene();
if (preview) {
auto sh = obs_source_get_signal_handler(preview);
if (sh) {
previous_scene = preview;
signal_handler_connect(sh, "item_select", item_select, nullptr);
signal_handler_connect(sh, "remove", set_previous_scene_empty, nullptr);
signal_handler_connect(sh, "destroy", set_previous_scene_empty, nullptr);
}
obs_source_release(preview);
} else {
auto scene = obs_frontend_get_current_scene();
if (scene) {
auto sh = obs_source_get_signal_handler(scene);
if (sh) {
previous_scene = scene;
signal_handler_connect(sh, "item_select", item_select, nullptr);
signal_handler_connect(sh, "remove", set_previous_scene_empty, nullptr);
signal_handler_connect(sh, "destroy", set_previous_scene_empty, nullptr);
}
obs_source_release(scene);
}
}
update_selected_source();
obs_queue_task(obs_in_task_thread(OBS_TASK_GRAPHICS) ? OBS_TASK_UI : OBS_TASK_GRAPHICS, update_active, nullptr,
false);
}
}
static void source_remove(void *data, calldata_t *call_data)
{
UNUSED_PARAMETER(data);
obs_source_t *source = static_cast<obs_source_t *>(calldata_ptr(call_data, "source"));
for (auto it = source_docks.begin(); it != source_docks.end();) {
if ((*it)->GetSource().Get() == source) {
(*it)->close();
(*it)->deleteLater();
it = source_docks.erase(it);
} else {
++it;
}
}
}
bool obs_module_load()
{
blog(LOG_INFO, "[Source Dock] loaded version %s", PROJECT_VERSION);
obs_frontend_add_save_callback(frontend_save_load, nullptr);
obs_frontend_add_event_callback(frontend_event, nullptr);
signal_handler_connect(obs_get_signal_handler(), "source_remove", source_remove, nullptr);
const auto action = static_cast<QAction *>(obs_frontend_add_tools_menu_qaction(obs_module_text("SourceDock")));
auto cb = [] {
obs_frontend_push_ui_translation(obs_module_get_string);
const auto sdsd = new SourceDockSettingsDialog(static_cast<QMainWindow *>(obs_frontend_get_main_window()));
sdsd->show();
sdsd->setAttribute(Qt::WA_DeleteOnClose, true);
obs_frontend_pop_ui_translation();
};
QAction::connect(action, &QAction::triggered, cb);
return true;
}
void obs_module_unload()
{
obs_frontend_remove_save_callback(frontend_save_load, nullptr);
obs_frontend_remove_event_callback(frontend_event, nullptr);
signal_handler_disconnect(obs_get_signal_handler(), "source_remove", source_remove, nullptr);
}
MODULE_EXPORT const char *obs_module_description(void)
{
return obs_module_text("Description");
}
MODULE_EXPORT const char *obs_module_name(void)
{
return obs_module_text("SourceDock");
}
#define LOG_OFFSET_DB 6.0f
#define LOG_RANGE_DB 96.0f
/* equals -log10f(LOG_OFFSET_DB) */
#define LOG_OFFSET_VAL -0.77815125038364363f
/* equals -log10f(-LOG_RANGE_DB + LOG_OFFSET_DB) */
#define LOG_RANGE_VAL -2.00860017176191756f
SourceDock::SourceDock(QString name, bool selected_, QWidget *parent)
: QSplitter(parent),
eventFilter(BuildEventFilter()),
selected(selected_)
{
setWindowTitle(name);
setObjectName(name);
setOrientation(Qt::Vertical);
setChildrenCollapsible(false);
}
SourceDock::~SourceDock()
{
#if LIBOBS_API_VER < MAKE_SEMANTIC_VERSION(30, 0, 0)
auto dock = static_cast<QDockWidget *>(parentWidget());
if (dock) {
auto tva = dock->toggleViewAction();
if (tva)
QObject::disconnect(tva, &QAction::toggled, nullptr, 0);
}
if (action) {
QObject::disconnect(action, &QAction::triggered, nullptr, 0);
delete action;
}
#endif
DisableFilters();
DisableProperties();
DisableSceneItems();
DisableShowActive();
DisableVolMeter();
DisableVolControls();
DisableMediaControls();
DisablePreview();
obs_data_release(textInputCustomStyle);
}
static inline void GetScaleAndCenterPos(int baseCX, int baseCY, int windowCX, int windowCY, int &x, int &y, float &scale)
{
int newCX, newCY;
const double windowAspect = double(windowCX) / double(windowCY);
const double baseAspect = double(baseCX) / double(baseCY);
if (windowAspect > baseAspect) {
scale = float(windowCY) / float(baseCY);
newCX = int(double(windowCY) * baseAspect);
newCY = windowCY;
} else {
scale = float(windowCX) / float(baseCX);
newCX = windowCX;
newCY = int(float(windowCX) / baseAspect);
}
x = windowCX / 2 - newCX / 2;
y = windowCY / 2 - newCY / 2;
}
void SourceDock::DrawPreview(void *data, uint32_t cx, uint32_t cy)
{
SourceDock *window = static_cast<SourceDock *>(data);
if (!window->source)
return;
uint32_t sourceCX = obs_source_get_width(window->source);
if (sourceCX <= 0)
sourceCX = 1;
uint32_t sourceCY = obs_source_get_height(window->source);
if (sourceCY <= 0)
sourceCY = 1;
int x, y;
float scale;
GetScaleAndCenterPos(sourceCX, sourceCY, cx, cy, x, y, scale);
auto newCX = scale * float(sourceCX);
auto newCY = scale * float(sourceCY);
auto extraCx = (window->zoom - 1.0f) * newCX;
auto extraCy = (window->zoom - 1.0f) * newCY;
int newCx = newCX * window->zoom;
int newCy = newCY * window->zoom;
x -= extraCx * window->scrollX;
y -= extraCy * window->scrollY;
gs_viewport_push();
gs_projection_push();
const bool previous = gs_set_linear_srgb(true);
gs_ortho(0.0f, float(sourceCX), 0.0f, float(sourceCY), -100.0f, 100.0f);
gs_set_viewport(x, y, newCx, newCy);
obs_source_video_render(window->source);
gs_set_linear_srgb(previous);
gs_projection_pop();
gs_viewport_pop();
}
void SourceDock::OBSVolumeLevel(void *data, const float magnitude[MAX_AUDIO_CHANNELS], const float peak[MAX_AUDIO_CHANNELS],
const float inputPeak[MAX_AUDIO_CHANNELS])
{
SourceDock *sourceDock = static_cast<SourceDock *>(data);
if (sourceDock->volMeter)
sourceDock->volMeter->setLevels(magnitude, peak, inputPeak);
}
void SourceDock::OBSVolume(void *data, calldata_t *call_data)
{
obs_source_t *source;
calldata_get_ptr(call_data, "source", &source);
double volume;
calldata_get_float(call_data, "volume", &volume);
SourceDock *sourceDock = static_cast<SourceDock *>(data);
QMetaObject::invokeMethod(sourceDock, "SetOutputVolume", Qt::QueuedConnection, Q_ARG(double, volume));
}
void SourceDock::OBSMute(void *data, calldata_t *call_data)
{
obs_source_t *source;
calldata_get_ptr(call_data, "source", &source);
bool muted = calldata_bool(call_data, "muted");
SourceDock *sourceDock = static_cast<SourceDock *>(data);
QMetaObject::invokeMethod(sourceDock, "SetMute", Qt::QueuedConnection, Q_ARG(bool, muted));
}
void SourceDock::OBSActiveChanged(void *data, calldata_t *call_data)
{
UNUSED_PARAMETER(call_data);
SourceDock *sourceDock = static_cast<SourceDock *>(data);
QMetaObject::invokeMethod(sourceDock, "ActiveChanged", Qt::QueuedConnection);
}
void SourceDock::LockVolumeControl(bool lock)
{
slider->setEnabled(!lock);
mute->setEnabled(!lock);
}
void SourceDock::MuteVolumeControl(bool mute)
{
if (source && obs_source_muted(source) != mute)
obs_source_set_muted(source, mute);
}
void SourceDock::SetOutputVolume(double volume)
{
float db = obs_mul_to_db(volume);
float def;
if (db >= 0.0f)
def = 1.0f;
else if (db <= -96.0f)
def = 0.0f;
else
def = (-log10f(-db + LOG_OFFSET_DB) - LOG_RANGE_VAL) / (LOG_OFFSET_VAL - LOG_RANGE_VAL);
int val = def * 10000.0;
slider->setValue(val);
}
void SourceDock::SetMute(bool muted)
{
mute->setChecked(muted);
}
void SourceDock::ActiveChanged()
{
int active = ACTIVE_NONE;
auto *preview = obs_frontend_get_current_preview_scene();
if (preview) {
if (source == preview) {
active = ACTIVE_PREVIEW;
}
std::pair<obs_source_t *, int> t = std::pair<obs_source_t *, int>(source, active);
obs_source_enum_active_tree(
preview,
[](obs_source_t *parent, obs_source_t *child, void *param) {
UNUSED_PARAMETER(parent);
auto m = (std::pair<obs_source_t *, int> *)param;
if (m->first == child) {
m->second = ACTIVE_PREVIEW;
}
},
&t);
active = t.second;
obs_source_release(preview);
}
for (uint32_t channel = 1; channel < MAX_CHANNELS; channel++) {
auto dsk = obs_get_output_source(channel);
if (!dsk)
continue;
const char *scene_name = obs_source_get_name(dsk);
auto *sn = obs_source_get_name(source);
if (strcmp(sn, scene_name) == 0) {
active = ACTIVE_DOWNSTREAM_KEYER;
}
std::pair<obs_source_t *, int> t = std::pair<obs_source_t *, int>(source, active);
obs_source_enum_active_tree(
dsk,
[](obs_source_t *parent, obs_source_t *child, void *param) {
UNUSED_PARAMETER(parent);
auto m = (std::pair<obs_source_t *, int> *)param;
const char *child_name = obs_source_get_name(child);
if (!child_name || strlen(child_name) == 0)
return;
auto *sn = obs_source_get_name(m->first);
if (strcmp(sn, child_name) == 0) {
m->second = ACTIVE_DOWNSTREAM_KEYER;
}
},
&t);
active = t.second;
obs_source_release(dsk);
}
if (auto *program = obs_frontend_get_current_scene()) {
const char *scene_name = obs_source_get_name(program);
auto *sn = obs_source_get_name(source);
if (strcmp(sn, scene_name) == 0) {
active = ACTIVE_PROGRAM;
}
std::pair<obs_source_t *, int> t = std::pair<obs_source_t *, int>(source, active);
obs_source_enum_active_tree(
program,
[](obs_source_t *parent, obs_source_t *child, void *param) {
UNUSED_PARAMETER(parent);
auto m = (std::pair<obs_source_t *, int> *)param;
const char *child_name = obs_source_get_name(child);
if (!child_name || strlen(child_name) == 0)
return;
auto *sn = obs_source_get_name(m->first);
if (strcmp(sn, child_name) == 0) {
m->second = ACTIVE_PROGRAM;
}
},
&t);
active = t.second;
obs_source_release(program);
}
SetActive(active);
}
void SourceDock::SetActive(int active)
{
if (activeFrame) {
if (active == ACTIVE_PROGRAM) {
if (obs_frontend_preview_program_mode_active()) {
activeFrame->setStyleSheet("QFrame{background-color: red;}");
} else {
activeFrame->setStyleSheet("QFrame{background-color: green;}");
}
} else if (active == ACTIVE_PREVIEW) {
activeFrame->setStyleSheet("QFrame{background-color: green;}");
} else if (active == ACTIVE_DOWNSTREAM_KEYER) {
activeFrame->setStyleSheet("QFrame{background-color: orange;}");
} else {
activeFrame->setStyleSheet("");
}
}
if (activeLabel) {
if (active == ACTIVE_PROGRAM) {
activeLabel->setProperty("themeID", obs_frontend_preview_program_mode_active() ? "error" : "good");
activeLabel->setText(QT_UTF8(obs_module_text("Active")));
} else if (active == ACTIVE_PREVIEW) {
activeLabel->setProperty("themeID", "good");
activeLabel->setText(QT_UTF8(obs_module_text("Preview")));
} else if (active == ACTIVE_DOWNSTREAM_KEYER) {
activeLabel->setProperty("themeID", "good");
activeLabel->setText(QT_UTF8(obs_module_text("DownstreamKeyer")));
} else {
activeLabel->setText(QT_UTF8(obs_module_text("NotActive")));
activeLabel->setProperty("themeID", "");
}
/* force style sheet recalculation */
QString qss = activeLabel->styleSheet();
activeLabel->setStyleSheet("/* */");
activeLabel->setStyleSheet(qss);
}
}
void SourceDock::SliderChanged(int vol)
{
float def = (float)vol / 10000.0f;
float db;
if (def >= 1.0f)
db = 0.0f;
else if (def <= 0.0f)
db = -INFINITY;
else
db = -(LOG_RANGE_DB + LOG_OFFSET_DB) * powf((LOG_RANGE_DB + LOG_OFFSET_DB) / LOG_OFFSET_DB, -def) + LOG_OFFSET_DB;
const float mul = obs_db_to_mul(db);
if (source)
obs_source_set_volume(source, mul);
}
bool SourceDock::GetSourceRelativeXY(int mouseX, int mouseY, int &relX, int &relY)
{
float pixelRatio = devicePixelRatioF();
int mouseXscaled = (int)roundf(mouseX * pixelRatio);
int mouseYscaled = (int)roundf(mouseY * pixelRatio);
QSize size = preview->size() * preview->devicePixelRatioF();
uint32_t sourceCX = source ? obs_source_get_width(source) : 1;
if (sourceCX <= 0)
sourceCX = 1;
uint32_t sourceCY = source ? obs_source_get_height(source) : 1;
if (sourceCY <= 0)
sourceCY = 1;
int x, y;
float scale;
GetScaleAndCenterPos(sourceCX, sourceCY, size.width(), size.height(), x, y, scale);
auto newCX = scale * float(sourceCX);
auto newCY = scale * float(sourceCY);
auto extraCx = (zoom - 1.0f) * newCX;
auto extraCy = (zoom - 1.0f) * newCY;
scale *= zoom;
if (x > 0) {
relX = int(float(mouseXscaled - x + extraCx * scrollX) / scale);
relY = int(float(mouseYscaled + extraCy * scrollY) / scale);
} else {
relX = int(float(mouseXscaled + extraCx * scrollX) / scale);
relY = int(float(mouseYscaled - y + extraCy * scrollY) / scale);
}
// Confirm mouse is inside the source
if (relX < 0 || relX > int(sourceCX))
return false;
if (relY < 0 || relY > int(sourceCY))
return false;
return true;
}
OBSEventFilter *SourceDock::BuildEventFilter()
{
return new OBSEventFilter([this](QObject *obj, QEvent *event) {
UNUSED_PARAMETER(obj);
switch (event->type()) {
case QEvent::MouseButtonPress:
case QEvent::MouseButtonRelease:
case QEvent::MouseButtonDblClick:
return this->HandleMouseClickEvent(static_cast<QMouseEvent *>(event));
case QEvent::MouseMove:
case QEvent::Enter:
case QEvent::Leave:
return this->HandleMouseMoveEvent(static_cast<QMouseEvent *>(event));
case QEvent::Wheel:
return this->HandleMouseWheelEvent(static_cast<QWheelEvent *>(event));
case QEvent::FocusIn:
case QEvent::FocusOut:
return this->HandleFocusEvent(static_cast<QFocusEvent *>(event));
case QEvent::KeyPress:
case QEvent::KeyRelease:
return this->HandleKeyEvent(static_cast<QKeyEvent *>(event));
default:
return false;
}
});
}
static int TranslateQtKeyboardEventModifiers(QInputEvent *event, bool mouseEvent)
{
int obsModifiers = INTERACT_NONE;
if (event->modifiers().testFlag(Qt::ShiftModifier))
obsModifiers |= INTERACT_SHIFT_KEY;
if (event->modifiers().testFlag(Qt::AltModifier))
obsModifiers |= INTERACT_ALT_KEY;
#ifdef __APPLE__
// Mac: Meta = Control, Control = Command
if (event->modifiers().testFlag(Qt::ControlModifier))
obsModifiers |= INTERACT_COMMAND_KEY;
if (event->modifiers().testFlag(Qt::MetaModifier))
obsModifiers |= INTERACT_CONTROL_KEY;
#else
// Handle windows key? Can a browser even trap that key?
if (event->modifiers().testFlag(Qt::ControlModifier))
obsModifiers |= INTERACT_CONTROL_KEY;
#endif
if (!mouseEvent) {
if (event->modifiers().testFlag(Qt::KeypadModifier))
obsModifiers |= INTERACT_IS_KEY_PAD;
}
return obsModifiers;
}
static int TranslateQtMouseEventModifiers(QMouseEvent *event)
{
int modifiers = TranslateQtKeyboardEventModifiers(event, true);
if (event->buttons().testFlag(Qt::LeftButton))
modifiers |= INTERACT_MOUSE_LEFT;
if (event->buttons().testFlag(Qt::MiddleButton))
modifiers |= INTERACT_MOUSE_MIDDLE;
if (event->buttons().testFlag(Qt::RightButton))
modifiers |= INTERACT_MOUSE_RIGHT;
return modifiers;
}
static bool CloseFloat(float a, float b, float epsilon = 0.01)
{
using std::abs;
return abs(a - b) <= epsilon;
}
struct click_event {
int32_t x;
int32_t y;
uint32_t modifiers;
int32_t button;
bool mouseUp;
uint32_t clickCount;
};
static bool HandleSceneMouseClickEvent(obs_scene_t *scene, obs_sceneitem_t *item, void *data)
{
UNUSED_PARAMETER(scene);
auto click_event = static_cast<struct click_event *>(data);
matrix4 transform;
matrix4 invTransform;
vec3 transformedPos;
vec3 pos3;
vec3 pos3_;
vec3_set(&pos3, click_event->x, click_event->y, 0.0f);
obs_sceneitem_get_box_transform(item, &transform);
matrix4_inv(&invTransform, &transform);
vec3_transform(&transformedPos, &pos3, &invTransform);
vec3_transform(&pos3_, &transformedPos, &transform);
if (click_event->mouseUp || (CloseFloat(pos3.x, pos3_.x) && CloseFloat(pos3.y, pos3_.y) && transformedPos.x >= 0.0f &&
transformedPos.x <= 1.0f && transformedPos.y >= 0.0f && transformedPos.y <= 1.0f)) {
auto source = obs_sceneitem_get_source(item);
obs_mouse_event mouseEvent{};
mouseEvent.x = transformedPos.x * obs_source_get_base_width(source);
mouseEvent.y = transformedPos.y * obs_source_get_base_height(source);
mouseEvent.modifiers = click_event->modifiers;
obs_source_send_mouse_click(source, &mouseEvent, click_event->button, click_event->mouseUp,
click_event->clickCount);