Waveform panel moved to its own class, add ability to change waveform color and can seek the playhead now.

2026-10-23 13:15:00 +02:00 · 2021-08-02 09:11:00 +05:30
parent 8aac911f07
commit af929cecc2
12 changed files with 525 additions and 262 deletions
@@ -0,0 +1,77 @@
+/* SampleHive
+ * Copyright (C) 2021  Apoorv Singh
+ * A simple, modern audio sample browser/manager for GNU/Linux.
+ *
+ * This file is a part of SampleHive
+ *
+ * SampleHive is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * SampleHive is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <wx/dataview.h>
+#include <wx/bitmap.h>
+#include <wx/colour.h>
+#include <wx/dc.h>
+#include <wx/event.h>
+#include <wx/infobar.h>
+#include <wx/mediactrl.h>
+#include <wx/panel.h>
+#include <wx/sizer.h>
+#include <wx/timer.h>
+#include <wx/window.h>
+
+class WaveformViewer : public wxPanel
+{
+    public:
+        WaveformViewer(wxWindow* parentFrame, wxWindow* window, wxDataViewListCtrl& library, wxMediaCtrl& mediaCtrl,
+                       wxTimer& timer, wxInfoBar& infoBar, const std::string& configFilepath, const std::string& databaseFilepath);
+        ~WaveformViewer();
+
+    private:
+        // -------------------------------------------------------------------
+        wxWindow* m_ParentFrame;
+        wxWindow* m_Window;
+
+        wxDataViewListCtrl& m_Library;
+        wxInfoBar& m_InfoBar;
+        wxMediaCtrl& m_MediaCtrl;
+        wxTimer& m_Timer;
+
+        const std::string& m_ConfigFilepath;
+        const std::string& m_DatabaseFilepath;
+
+    private:
+        // -------------------------------------------------------------------
+        wxBitmap m_WaveformBitmap;
+        wxColour m_PlayheadColour;
+        wxColour m_WaveformColour;
+
+    private:
+        // -------------------------------------------------------------------
+        bool bBitmapDirty;
+
+    private:
+        // -------------------------------------------------------------------
+        void OnPaint(wxPaintEvent& event);
+        void RenderPlayhead(wxDC& dc);
+        void UpdateWaveformBitmap();
+        void OnHoverPlayhead(wxMouseEvent& event);
+        void OnGrabPlayhead(wxMouseEvent& event);
+        void OnReleasePlayhead(wxMouseEvent& event);
+
+    public:
+        inline bool IsBitmapDirty() { return bBitmapDirty; }
+        inline void SetBitmapDirty(bool dirty) { bBitmapDirty = dirty; }
+};