clap

commit 7852fb4d0356fbb85aeb817a1799168d154469cc
parent 43969b12f8b3d21b6e29c9dad3fe51adb5da84e3
Author: Alexandre BIQUE <bique.alexandre@gmail.com>
Date:   Mon, 30 Aug 2021 22:36:52 +0200

Add utility to recreate the plugin window

Diffstat:
M
examples/host/main-window.cc
 | 
30
++++++++++++++++++++++++++++++
M
examples/host/main-window.hh
 | 
4
++++
M
examples/host/plugin-host.cc
 | 
28
+++++++++++++++++++++++++++-
M
examples/host/plugin-host.hh
 | 
6
++++++

4 files changed, 67 insertions(+), 1 deletion(-)
diff --git a/examples/host/main-window.cc b/examples/host/main-window.cc
@@ -77,6 +77,19 @@ void MainWindow::createMenu() {
            &QAction::triggered,
            this,
            &MainWindow::showPluginQuickControlsWindow);
+   menuBar->addSeparator();
+   connect(windowsMenu->addAction(tr("Toggle Plugin Window Visibility")),
+           &QAction::triggered,
+           this,
+           &MainWindow::togglePluginWindowVisibility);
+   connect(windowsMenu->addAction(tr("Recreate Plugin Window")),
+           &QAction::triggered,
+           this,
+           &MainWindow::recreatePluginWindow);
+   connect(windowsMenu->addAction(tr("Scale Plugin Window")),
+           &QAction::triggered,
+           this,
+           &MainWindow::scalePluginWindow);
 
    QMenu *helpMenu = menuBar->addMenu(tr("Help"));
    helpMenu->addAction(tr("Manual"));
@@ -108,4 +121,21 @@ void MainWindow::loadNativePluginPreset()
       return;
 
    application_.engine()->pluginHost().loadNativePluginPreset(file.toStdString());
+}
+
+void MainWindow::togglePluginWindowVisibility()
+{
+   bool isVisible = !pluginViewWidget_->isVisible();
+   pluginViewWidget_->setVisible(isVisible);
+   application_.engine()->pluginHost().setPluginWindowVisibility(isVisible);
+}
+
+void MainWindow::recreatePluginWindow()
+{
+   application_.engine()->pluginHost().setParentWindow(pluginViewWindow_->winId());
+}
+
+void MainWindow::scalePluginWindow()
+{
+   // TODO
 }
 \ No newline at end of file
diff --git a/examples/host/main-window.hh b/examples/host/main-window.hh
@@ -26,6 +26,10 @@ public:
 private:
    void createMenu();
 
+   void togglePluginWindowVisibility();
+   void recreatePluginWindow();
+   void scalePluginWindow();
+
    Application &   application_;
    SettingsDialog *settingsDialog_ = nullptr;
    QWindow *       pluginViewWindow_ = nullptr;
diff --git a/examples/host/plugin-host.cc b/examples/host/plugin-host.cc
@@ -248,9 +248,19 @@ void PluginHost::setPorts(int numInputs, float **inputs, int numOutputs, float *
 void PluginHost::setParentWindow(WId parentWindow) {
    checkForMainThread();
 
+   if (isGuiCreated_)
+   {
+      pluginGui_->destroy(plugin_);
+      isGuiCreated_ = false;
+      isGuiVisible_ = false;
+   }
+
    if (!pluginGui_->create(plugin_))
       return;
 
+   isGuiCreated_ = true;
+   assert(isGuiVisible_ == false);
+
    uint32_t width = 0;
    uint32_t height = 0;
 
@@ -272,7 +282,23 @@ void PluginHost::setParentWindow(WId parentWindow) {
 
    Application::instance().mainWindow()->resizePluginView(width, height);
 
-   pluginGui_->show(plugin_);
+   setPluginWindowVisibility(true);
+}
+
+void PluginHost::setPluginWindowVisibility(bool isVisible) {
+   assert(clapIsMainThread(&host_));
+
+   if (!isGuiCreated_)
+      return;
+
+   if (isVisible && !isGuiVisible_) {
+      pluginGui_->show(plugin_);
+      isGuiVisible_ = true;
+   } else if (!isVisible && isGuiVisible_)
+   {
+      pluginGui_->hide(plugin_);
+      isGuiVisible_ = false;
+   }
 }
 
 void PluginHost::clapLog(const clap_host *host, clap_log_severity severity, const char *msg) {
diff --git a/examples/host/plugin-host.hh b/examples/host/plugin-host.hh
@@ -34,6 +34,9 @@ public:
    void activate(int32_t sample_rate);
    void deactivate();
 
+   void recreatePluginWindow();
+   void setPluginWindowVisibility(bool isVisible);
+
    void setPorts(int numInputs, float **inputs, int numOutputs, float **outputs);
    void setParentWindow(WId parentWindow);
 
@@ -226,4 +229,7 @@ private:
    bool stateIsDirty_ = false;
 
    bool scheduleRestart_ = false;
+
+   bool isGuiCreated_ = false;
+   bool isGuiVisible_ = false;
 };