Mode selector class framework

CMakeLists.txt

@@ -141,6 +141,8 @@ SET (cubicsdr_sources
 	src/visual/MeterContext.cpp
 	src/visual/TuningCanvas.cpp
 	src/visual/TuningContext.cpp
+	src/visual/ModeSelectorCanvas.cpp
+	src/visual/ModeSelectorContext.cpp
 	src/visual/ScopeCanvas.cpp
 	src/visual/ScopeContext.cpp
 	src/visual/SpectrumCanvas.cpp
@@ -175,6 +177,8 @@ SET (cubicsdr_headers
 	src/visual/MeterContext.h
 	src/visual/TuningCanvas.h
 	src/visual/TuningContext.h
+	src/visual/ModeSelectorCanvas.h
+	src/visual/ModeSelectorContext.h
 	src/visual/ScopeCanvas.h
 	src/visual/ScopeContext.h
 	src/visual/SpectrumCanvas.h

src/visual/ModeSelectorCanvas.cpp

@@ -0,0 +1,89 @@
+#include "ModeSelectorCanvas.h"
+
+#include "wx/wxprec.h"
+
+#ifndef WX_PRECOMP
+#include "wx/wx.h"
+#endif
+
+#if !wxUSE_GLCANVAS
+#error "OpenGL required: set wxUSE_GLCANVAS to 1 and rebuild the library"
+#endif
+
+#include "CubicSDR.h"
+#include "CubicSDRDefs.h"
+#include "AppFrame.h"
+#include <algorithm>
+
+wxBEGIN_EVENT_TABLE(ModeSelectorCanvas, wxGLCanvas) EVT_PAINT(ModeSelectorCanvas::OnPaint)
+EVT_IDLE(ModeSelectorCanvas::OnIdle)
+EVT_MOTION(ModeSelectorCanvas::OnMouseMoved)
+EVT_LEFT_DOWN(ModeSelectorCanvas::OnMouseDown)
+EVT_LEFT_UP(ModeSelectorCanvas::OnMouseReleased)
+EVT_LEAVE_WINDOW(ModeSelectorCanvas::OnMouseLeftWindow)
+EVT_ENTER_WINDOW(ModeSelectorCanvas::OnMouseEnterWindow)
+wxEND_EVENT_TABLE()
+
+ModeSelectorCanvas::ModeSelectorCanvas(wxWindow *parent, int *attribList) :
+        InteractiveCanvas(parent, attribList), dragAccum(0) {
+
+    glContext = new ModeSelectorContext(this, &wxGetApp().GetContext(this));
+}
+
+ModeSelectorCanvas::~ModeSelectorCanvas() {
+
+}
+
+void ModeSelectorCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
+    wxPaintDC dc(this);
+    const wxSize ClientSize = GetClientSize();
+
+    glContext->SetCurrent(*this);
+    glViewport(0, 0, ClientSize.x, ClientSize.y);
+
+    glContext->DrawBegin();
+
+
+    glContext->DrawEnd();
+
+    SwapBuffers();
+}
+
+void ModeSelectorCanvas::OnIdle(wxIdleEvent &event) {
+    Refresh(false);
+}
+
+void ModeSelectorCanvas::OnMouseMoved(wxMouseEvent& event) {
+    InteractiveCanvas::OnMouseMoved(event);
+}
+
+void ModeSelectorCanvas::OnMouseDown(wxMouseEvent& event) {
+    InteractiveCanvas::OnMouseDown(event);
+    mouseTracker.setHorizDragLock(true);
+    mouseTracker.setVertDragLock(true);
+}
+
+void ModeSelectorCanvas::OnMouseWheelMoved(wxMouseEvent& event) {
+    InteractiveCanvas::OnMouseWheelMoved(event);
+}
+
+void ModeSelectorCanvas::OnMouseReleased(wxMouseEvent& event) {
+    InteractiveCanvas::OnMouseReleased(event);
+    mouseTracker.setHorizDragLock(false);
+    mouseTracker.setVertDragLock(false);
+    SetCursor(wxCURSOR_ARROW);
+}
+
+void ModeSelectorCanvas::OnMouseLeftWindow(wxMouseEvent& event) {
+    InteractiveCanvas::OnMouseLeftWindow(event);
+    SetCursor(wxCURSOR_CROSS);
+}
+
+void ModeSelectorCanvas::OnMouseEnterWindow(wxMouseEvent& event) {
+    InteractiveCanvas::mouseTracker.OnMouseEnterWindow(event);
+    SetCursor(wxCURSOR_ARROW);
+}
+
+void ModeSelectorCanvas::setHelpTip(std::string tip) {
+    helpTip = tip;
+}

src/visual/ModeSelectorCanvas.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "wx/glcanvas.h"
+#include "wx/timer.h"
+
+#include <vector>
+#include <queue>
+
+#include "InteractiveCanvas.h"
+#include "ModeSelectorContext.h"
+#include "MouseTracker.h"
+
+#include "fftw3.h"
+#include "Timer.h"
+
+class ModeSelectorCanvas: public InteractiveCanvas {
+public:
+    ModeSelectorCanvas(wxWindow *parent, int *attribList = NULL);
+    ~ModeSelectorCanvas();
+
+    void setHelpTip(std::string tip);
+
+private:
+    void OnPaint(wxPaintEvent& event);
+    void OnIdle(wxIdleEvent &event);
+
+    void OnMouseMoved(wxMouseEvent& event);
+    void OnMouseDown(wxMouseEvent& event);
+    void OnMouseWheelMoved(wxMouseEvent& event);
+    void OnMouseReleased(wxMouseEvent& event);
+    void OnMouseEnterWindow(wxMouseEvent& event);
+    void OnMouseLeftWindow(wxMouseEvent& event);
+
+    ModeSelectorContext *glContext;
+
+    std::string helpTip;
+    //
+wxDECLARE_EVENT_TABLE();
+};
+

src/visual/ModeSelectorContext.cpp

@@ -0,0 +1,40 @@
+#include "ModeSelectorContext.h"
+#include "ModeSelectorCanvas.h"
+
+ModeSelectorContext::ModeSelectorContext(ModeSelectorCanvas *canvas, wxGLContext *sharedContext) :
+        PrimaryGLContext(canvas, sharedContext) {
+    glDisable(GL_CULL_FACE);
+    glDisable(GL_DEPTH_TEST);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+}
+
+void ModeSelectorContext::DrawBegin() {
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+
+    glDisable(GL_TEXTURE_2D);
+}
+
+void ModeSelectorContext::Draw(float r, float g, float b, float a, float level) {
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_ONE, GL_ONE);
+    glColor4f(r, g, b, a);
+    glBegin(GL_QUADS);
+    glVertex2f(1.0, -1.0 + 2.0 * level);
+    glVertex2f(-1.0, -1.0 + 2.0 * level);
+    glVertex2f(-1.0, -1.0);
+    glVertex2f(1.0, -1.0);
+    glEnd();
+    glDisable(GL_BLEND);
+}
+
+void ModeSelectorContext::DrawEnd() {
+    glFlush();
+
+    CheckGLError();
+}
+

src/visual/ModeSelectorContext.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "PrimaryGLContext.h"
+#include "Gradient.h"
+
+#define NUM_WATERFALL_LINES 512
+
+class ModeSelectorCanvas;
+
+class ModeSelectorContext: public PrimaryGLContext {
+public:
+    ModeSelectorContext(ModeSelectorCanvas *canvas, wxGLContext *sharedContext);
+
+    void DrawBegin();
+    void Draw(float r, float g, float b, float a, float level);
+    void DrawEnd();
+};