Implement basic file-browser in ZamSFZ

5 files changed, 35 insertions, 28 deletions

diff --git a/libs/distrho/DistrhoUI.hpp b/libs/distrho/DistrhoUI.hpp
index e6c8311..2832db0 100644
--- a/libs/distrho/DistrhoUI.hpp
+++ b/libs/distrho/DistrhoUI.hpp
@@ -141,6 +141,12 @@ protected:
     virtual void d_uiIdle() {}
 
    /**
+      File browser selected function.
+      @see Window::fileBrowserSelected(const char*)
+    */
+    virtual void d_uiFileBrowserSelected(const char* filename);
+
+   /**
       OpenGL window reshape function, called when parent window is resized.
       You can reimplement this function for a custom OpenGL state.
       @see Window::onReshape(uint,uint)
diff --git a/libs/distrho/src/DistrhoUI.cpp b/libs/distrho/src/DistrhoUI.cpp
index 82ea7a5..49e8c3e 100644
--- a/libs/distrho/src/DistrhoUI.cpp
+++ b/libs/distrho/src/DistrhoUI.cpp
@@ -90,6 +90,10 @@ void UI::d_sampleRateChanged(double) {}
 /* ------------------------------------------------------------------------------------------------------------
  * UI Callbacks (optional) */
 
+void UI::d_uiFileBrowserSelected(const char*)
+{
+}
+
 void UI::d_uiReshape(uint width, uint height)
 {
     glEnable(GL_BLEND);
diff --git a/libs/distrho/src/DistrhoUIInternal.hpp b/libs/distrho/src/DistrhoUIInternal.hpp
index a17e2aa..a07719c 100644
--- a/libs/distrho/src/DistrhoUIInternal.hpp
+++ b/libs/distrho/src/DistrhoUIInternal.hpp
@@ -170,16 +170,23 @@ public:
     }
 
 protected:
+    // custom window reshape
     void onReshape(uint width, uint height) override
     {
         DISTRHO_SAFE_ASSERT_RETURN(fUI != nullptr,);
 
-        // custom window reshape
         fUI->d_uiReshape(width, height);
-
         fIsReady = true;
     }
 
+    // custom file-browser selected
+    void fileBrowserSelected(const char* filename) override
+    {
+        DISTRHO_SAFE_ASSERT_RETURN(fUI != nullptr,);
+
+        fUI->d_uiFileBrowserSelected(filename);
+    }
+
 private:
     UI* const fUI;
     bool fIsReady;
diff --git a/plugins/ZamSFZ/ZamSFZUI.cpp b/plugins/ZamSFZ/ZamSFZUI.cpp
index eccdf02..3bb4d69 100644
--- a/plugins/ZamSFZ/ZamSFZUI.cpp
+++ b/plugins/ZamSFZ/ZamSFZUI.cpp
@@ -18,6 +18,8 @@
 #include "ZamSFZUI.hpp"
 #include "ZamSFZPlugin.hpp"
 
+#include "Window.hpp"
+
 START_NAMESPACE_DISTRHO
 
 // -----------------------------------------------------------------------
@@ -82,6 +84,13 @@ void ZamSFZUI::d_stateChanged(const char* key, const char*)
 	}
 }
 
+void ZamSFZUI::d_uiFileBrowserSelected(const char* filename)
+{
+	// if a file was selected, tell DSP
+	if (filename != nullptr)
+		d_setState("filepath", filename);
+}
+
 // -----------------------------------------------------------------------
 // Widget Callbacks
 
@@ -105,33 +114,11 @@ void ZamSFZUI::imageKnobValueChanged(ImageKnob* knob, float value)
 
 void ZamSFZUI::imageButtonClicked(ImageButton*, int)
 {
-/*
-	GtkWidget* dialog = gtk_file_chooser_dialog_new(
-		"Load SFZ",
-		NULL,
-		GTK_FILE_CHOOSER_ACTION_OPEN,
-		GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
-		GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
-		NULL);
-	
-	if (filepath) {
-		gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (dialog), filepath);
-	}
+    DGL::Window::FileBrowserOptions opts;
+    opts.title = "Load SFZ";
+    //opts.filters = "sfz;";
 
-	if (gtk_dialog_run(GTK_DIALOG(dialog)) != GTK_RESPONSE_ACCEPT) {
-		gtk_widget_destroy(dialog);
-		return;
-	}
-	
-	if (filepath) {
-		g_free(filepath);
-	}
-	filepath = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
-	
-	gtk_widget_destroy(dialog);
-*/	
-//	d_setState("filepath", "/home/damien/Music/rhodes-nord/rhodes-nord.sfz");
-	d_setState("filepath", "/home/damien/Music/sfz/sfz LatelyBass/TX_LatelyBass.sfz");
+    getParentWindow().openFileBrowser(opts);
 }
 
 void ZamSFZUI::onDisplay()
diff --git a/plugins/ZamSFZ/ZamSFZUI.hpp b/plugins/ZamSFZ/ZamSFZUI.hpp
index f0d1047..e82f406 100644
--- a/plugins/ZamSFZ/ZamSFZUI.hpp
+++ b/plugins/ZamSFZ/ZamSFZUI.hpp
@@ -46,6 +46,8 @@ protected:
     void d_programChanged(uint32_t index) override;
     void d_stateChanged(const char* key, const char* value) override;
 
+    void d_uiFileBrowserSelected(const char* filename) override;
+
     // -------------------------------------------------------------------
     // Widget Callbacks
 
@@ -55,6 +57,7 @@ protected:
     void imageButtonClicked(ImageButton*, int) override;
 
     void onDisplay() override;
+
 private:
     Image fImgBackground;
     ScopedPointer<ImageKnob> fKnobGain;