clap

commit 55a509506a3063f3de003b5939ffca1ec8bf45d6
parent 052bd460e656de978a8be2f39419408a030ea2e9
Author: Alexandre BIQUE <bique.alexandre@gmail.com>
Date:   Sun,  1 Aug 2021 14:41:27 +0200

Start a path provider

Diffstat:
M
examples/plugins/CMakeLists.txt
 | 
3
+++
M
examples/plugins/abstract-gui.hh
 | 
2
++
M
examples/plugins/clap-entry.cc
 | 
24
++++++++++++------------
A
examples/plugins/path-provider.cc
 | 
0

A
examples/plugins/path-provider.hh
 | 
19
+++++++++++++++++++
M
examples/plugins/remote-gui.hh
 | 
2
++

6 files changed, 38 insertions(+), 12 deletions(-)
diff --git a/examples/plugins/CMakeLists.txt b/examples/plugins/CMakeLists.txt
@@ -10,6 +10,9 @@ add_library(
   plugin-helper.hh
   stream-helper.hh
 
+  path-provider.hh
+  path-provider.cc
+
   abstract-gui.hh
   remote-gui.hh
   remote-gui.cc
diff --git a/examples/plugins/abstract-gui.hh b/examples/plugins/abstract-gui.hh
@@ -10,6 +10,8 @@ namespace clap {
       AbstractGui(PluginHelper &plugin) : plugin_(plugin) {}
       virtual ~AbstractGui() = default;
 
+      virtual void defineParameter(const clap_param_info&) noexcept = 0;
+
       virtual bool attachCocoa(void *nsView) noexcept = 0;
       virtual bool attachWin32(clap_hwnd window) noexcept = 0;
       virtual bool attachX11(const char *display_name, unsigned long window) noexcept = 0;
diff --git a/examples/plugins/clap-entry.cc b/examples/plugins/clap-entry.cc
@@ -6,8 +6,9 @@
 #include <sstream>
 #include <vector>
 
-#include "gain/gain.hh"
 #include "dc-offset/dc-offset.hh"
+#include "gain/gain.hh"
+#include "path-provider.hh"
 
 struct PluginEntry {
    using create_func = std::function<const clap_plugin *(const clap_host *)>;
@@ -15,7 +16,7 @@ struct PluginEntry {
    PluginEntry(const clap_plugin_descriptor *d, create_func &&func)
       : desc(d), create(std::move(func)) {}
 
-   const clap_plugin_descriptor *            desc;
+   const clap_plugin_descriptor *desc;
    std::function<const clap_plugin *(const clap_host *)> create;
 };
 
@@ -30,12 +31,17 @@ static void addPlugin() {
 }
 
 static bool clap_init(const char *plugin_path) {
+   clap::PathProvider::createInstance(plugin_path);
+
    addPlugin<clap::Gain>();
    addPlugin<clap::DcOffset>();
    return true;
 }
 
-static void clap_deinit(void) { g_plugins.clear(); }
+static void clap_deinit(void) {
+   g_plugins.clear();
+   clap::PathProvider::destroyInstance();
+}
 
 static uint32_t clap_get_plugin_count(void) { return g_plugins.size(); }
 
@@ -56,19 +62,13 @@ static const clap_plugin *clap_create_plugin(const clap_host *host, const char *
    return nullptr;
 }
 
-static uint32_t clap_get_invalidation_sources_count(void)
-{
-   return 0;
-}
+static uint32_t clap_get_invalidation_sources_count(void) { return 0; }
 
-static const clap_plugin_invalidation_source *clap_get_invalidation_sources(uint32_t index)
-{
+static const clap_plugin_invalidation_source *clap_get_invalidation_sources(uint32_t index) {
    return nullptr;
 }
 
-static void clap_refresh(void)
-{
-}
+static void clap_refresh(void) {}
 
 CLAP_EXPORT const struct clap_plugin_entry clap_plugin_entry = {
    CLAP_VERSION,
diff --git a/examples/plugins/path-provider.cc b/examples/plugins/path-provider.cc
diff --git a/examples/plugins/path-provider.hh b/examples/plugins/path-provider.hh
@@ -0,0 +1,18 @@
+#include <memory>
+#include <string>
+
+namespace clap {
+   class PathProvider {
+   public:
+      virtual ~PathProvider() = default;
+
+      static const PathProvider *createInstance(const std::string &pluginPath);
+      static void destroyInstance() { instance_.reset(); }
+      static const PathProvider *instance() { return instance_.get(); }
+
+      virtual std::string getGuiExecutable() const = 0;
+
+   private:
+      static std::unique_ptr<PathProvider> instance_;
+   };
+} // namespace clap
+\ No newline at end of file
diff --git a/examples/plugins/remote-gui.hh b/examples/plugins/remote-gui.hh
@@ -16,6 +16,8 @@ namespace clap {
 
       bool spawn();
 
+      void defineParameter(const clap_param_info&) noexcept override;
+
       bool attachCocoa(void *nsView) noexcept override;
       bool attachWin32(clap_hwnd window) noexcept override;
       bool attachX11(const char *display_name, unsigned long window) noexcept override;