clap

commit 2f86f38d103213b12e579866c25b487e872de12f
parent 7272da7faf555835968263f924212d4603edcc41
Author: Alexandre BIQUE <bique.alexandre@gmail.com>
Date:   Sat, 22 May 2021 10:25:22 +0200

Host: work on load native plugin preset

Diffstat:
M
examples/host/application.cc
 | 
5
-----
M
examples/host/main-window.cc
 | 
16
++++++++++++++++
M
examples/host/main-window.hh
 | 
1
+
M
examples/host/plugin-host.cc
 | 
14
++++++++++++++
M
examples/host/plugin-host.hh
 | 
6
++++++
M
examples/host/plugin-quick-controls-widget.cc
 | 
4
++--

6 files changed, 39 insertions(+), 7 deletions(-)
diff --git a/examples/host/application.cc b/examples/host/application.cc
@@ -37,11 +37,6 @@ Application::Application(int argc, char **argv)
    mainWindow_->show();
 
    engine_->setParentWindow(mainWindow_->getEmbedWindowId());
-   QObject::connect(engine_,
-                    SIGNAL(resizePluginView(int, int)),
-                    mainWindow_,
-                    SLOT(resizePluginView(int, int)),
-                    Qt::QueuedConnection);
 
    if (engine_->loadPlugin(pluginPath_, pluginIndex_))
       engine_->start();
diff --git a/examples/host/main-window.cc b/examples/host/main-window.cc
@@ -12,6 +12,7 @@
 #include "application.hh"
 #include "engine.hh"
 #include "main-window.hh"
+#include "plugin-host.hh"
 #include "plugin-parameters-widget.hh"
 #include "plugin-quick-controls-widget.hh"
 #include "settings-dialog.hh"
@@ -52,6 +53,11 @@ void MainWindow::createMenu() {
 
    QMenu *fileMenu = menuBar->addMenu(tr("File"));
    fileMenu->addAction(tr("Load plugin"));
+   connect(fileMenu->addAction(tr("Load Native Plugin Preset")),
+           &QAction::triggered,
+           this,
+           &MainWindow::loadNativePluginPreset);
+   fileMenu->addSeparator();
    connect(fileMenu->addAction(tr("Settings")),
            &QAction::triggered,
            this,
@@ -94,3 +100,12 @@ void MainWindow::resizePluginView(int width, int height) {
    pluginViewWidget_->show();
    adjustSize();
 }
+
+void MainWindow::loadNativePluginPreset()
+{
+   auto file = QFileDialog::getOpenFileName(this, tr("Load Plugin Native Preset"));
+   if (file.isEmpty())
+      return;
+
+   application_.engine()->pluginHost().loadNativePluginPreset(file.toStdString());
+}
+\ No newline at end of file
diff --git a/examples/host/main-window.hh b/examples/host/main-window.hh
@@ -17,6 +17,7 @@ public:
    WId getEmbedWindowId();
 
 public:
+   void loadNativePluginPreset();
    void showSettingsDialog();
    void showPluginParametersWindow();
    void showPluginQuickControlsWindow();
diff --git a/examples/host/plugin-host.cc b/examples/host/plugin-host.cc
@@ -169,6 +169,8 @@ void PluginHost::initPluginExtensions() {
    initPluginExtension(pluginGuiFreeStanding_, CLAP_EXT_GUI_FREE_STANDING);
    initPluginExtension(pluginEventLoop_, CLAP_EXT_EVENT_LOOP);
    initPluginExtension(pluginThreadPool_, CLAP_EXT_THREAD_POOL);
+   initPluginExtension(pluginPresetLoad_, CLAP_EXT_PRESET_LOAD);
+   initPluginExtension(pluginState_, CLAP_EXT_STATE);
 
    pluginExtensionsAreInitialized_ = true;
 }
@@ -1021,6 +1023,18 @@ void PluginHost::clapQuickControlsSelectedPageChanged(clap_host *host, clap_id p
    h->quickControlsSetSelectedPage(page_id);
 }
 
+bool PluginHost::loadNativePluginPreset(const std::string &path) {
+   checkForMainThread();
+
+   if (!pluginPresetLoad_)
+      return false;
+
+   if (!pluginPresetLoad_->load_from_file)
+      throw std::logic_error("clap_plugin_preset_load does not implement load_from_file");
+
+   return pluginPresetLoad_->load_from_file(plugin_, path.c_str());
+}
+
 void PluginHost::setPluginState(PluginState state) {
    switch (state) {
    case Inactive:
diff --git a/examples/host/plugin-host.hh b/examples/host/plugin-host.hh
@@ -59,6 +59,10 @@ public:
    auto quickControlsSelectedPage() const { return quickControlsSelectedPage_; }
    void setQuickControlsSelectedPageByHost(clap_id page_id);
 
+   bool loadNativePluginPreset(const std::string& path);
+   bool loadStateFromFile(const std::string& path);
+   bool saveStateToFile(const std::string& path);
+
    static void checkForMainThread();
    static void checkForAudioThread();
 
@@ -142,6 +146,8 @@ private:
    const clap_plugin_gui_free_standing *pluginGuiFreeStanding_ = nullptr;
    const clap_plugin_event_loop *       pluginEventLoop_ = nullptr;
    const clap_plugin_thread_pool *      pluginThreadPool_ = nullptr;
+   const clap_plugin_preset_load *      pluginPresetLoad_ = nullptr;
+   const clap_plugin_state *            pluginState_ = nullptr;
 
    bool pluginExtensionsAreInitialized_ = false;
 
diff --git a/examples/host/plugin-quick-controls-widget.cc b/examples/host/plugin-quick-controls-widget.cc
@@ -17,14 +17,14 @@ PluginQuickControlsWidget::PluginQuickControlsWidget(QWidget *parent, PluginHost
    for (auto &qc : controls_)
       qc = new PluginQuickControlWidget(this, pluginHost);
 
-   auto grid = new QGridLayout(this);
+   auto grid = new QGridLayout();
    grid->setSpacing(3);
 
    const auto rowSize = CLAP_QUICK_CONTROLS_COUNT / 2;
    for (int i = 0; i < CLAP_QUICK_CONTROLS_COUNT; ++i)
       grid->addWidget(controls_[i], i / rowSize, i % rowSize);
 
-   auto vbox = new QVBoxLayout(this);
+   auto vbox = new QVBoxLayout();
    vbox->addWidget(chooser_);
    vbox->addLayout(grid);
    vbox->setSpacing(3);