190 lines
5.2 KiB
C++
190 lines
5.2 KiB
C++
// Copyright (c) Charles J. Cliffe
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// SPDX-License-Identifier: GPL-2.0+
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#include "MeterCanvas.h"
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#include "wx/wxprec.h"
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#if !wxUSE_GLCANVAS
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#error "OpenGL required: set wxUSE_GLCANVAS to 1 and rebuild the library"
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#endif
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#include "CubicSDR.h"
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#include "CubicSDRDefs.h"
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#include "AppFrame.h"
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#include <algorithm>
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wxBEGIN_EVENT_TABLE(MeterCanvas, wxGLCanvas) EVT_PAINT(MeterCanvas::OnPaint)
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EVT_IDLE(MeterCanvas::OnIdle)
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EVT_MOTION(MeterCanvas::OnMouseMoved)
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EVT_LEFT_DOWN(MeterCanvas::OnMouseDown)
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EVT_LEFT_UP(MeterCanvas::OnMouseReleased)
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EVT_MOUSEWHEEL(MeterCanvas::OnMouseWheelMoved)
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EVT_RIGHT_DOWN(MeterCanvas::OnMouseRightDown)
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EVT_RIGHT_UP(MeterCanvas::OnMouseRightReleased)
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EVT_LEAVE_WINDOW(MeterCanvas::OnMouseLeftWindow)
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EVT_ENTER_WINDOW(MeterCanvas::OnMouseEnterWindow)
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wxEND_EVENT_TABLE()
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MeterCanvas::MeterCanvas(wxWindow *parent, const wxGLAttributes& dispAttrs) :
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InteractiveCanvas(parent, dispAttrs), level(0), level_min(0), level_max(1), inputValue(0), userInputValue(0), showUserInput(true) {
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glContext = new MeterContext(this, &wxGetApp().GetContext(this), wxGetApp().GetContextAttributes());
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}
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MeterCanvas::~MeterCanvas() = default;
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void MeterCanvas::setLevel(float level_in) {
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level = level_in;
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Refresh();
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}
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float MeterCanvas::getLevel() const {
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return level;
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}
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void MeterCanvas::setMax(float max_in) {
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level_max = max_in;
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Refresh();
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}
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void MeterCanvas::setMin(float min_in) {
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level_min = min_in;
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Refresh();
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}
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void MeterCanvas::setUserInputValue(float slider_in) {
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userInputValue = slider_in;
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Refresh();
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}
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void MeterCanvas::setInputValue(float slider_in) {
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userInputValue = inputValue = slider_in;
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Refresh();
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}
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bool MeterCanvas::inputChanged() const {
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return (inputValue != userInputValue);
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}
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float MeterCanvas::getInputValue() {
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inputValue = userInputValue;
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return userInputValue;
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}
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void MeterCanvas::setShowUserInput(bool showUserInput_in) {
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showUserInput = showUserInput_in;
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}
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void MeterCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
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// wxPaintDC dc(this);
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const wxSize ClientSize = GetClientSize() * GetContentScaleFactor();
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glContext->SetCurrent(*this);
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initGLExtensions();
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glViewport(0, 0, ClientSize.x, ClientSize.y);
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glContext->DrawBegin();
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glContext->Draw(ThemeMgr::mgr.currentTheme->generalBackground.r, ThemeMgr::mgr.currentTheme->generalBackground.g, ThemeMgr::mgr.currentTheme->generalBackground.b, 0.5, 1.0);
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if (mouseTracker.mouseInView()) {
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glContext->Draw(0.4f, 0.4f, 0.4f, 0.5f, mouseTracker.getMouseY());
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}
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glContext->Draw(ThemeMgr::mgr.currentTheme->meterLevel.r, ThemeMgr::mgr.currentTheme->meterLevel.g, ThemeMgr::mgr.currentTheme->meterLevel.b, 0.5, (level-level_min) / (level_max-level_min));
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if (showUserInput) {
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glContext->Draw(ThemeMgr::mgr.currentTheme->meterValue.r, ThemeMgr::mgr.currentTheme->meterValue.g, ThemeMgr::mgr.currentTheme->meterValue.b, 0.5, (userInputValue-level_min) / (level_max-level_min));
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}
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glContext->DrawEnd();
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SwapBuffers();
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}
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void MeterCanvas::OnIdle(wxIdleEvent &event) {
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if (mouseTracker.mouseInView()) {
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Refresh();
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} else {
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event.Skip();
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}
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}
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void MeterCanvas::OnMouseMoved(wxMouseEvent& event) {
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InteractiveCanvas::OnMouseMoved(event);
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if (mouseTracker.mouseDown()) {
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userInputValue = mouseTracker.getMouseY() * (level_max-level_min) + level_min;
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} else {
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if (!helpTip.empty()) {
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setStatusText(helpTip);
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}
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}
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}
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void MeterCanvas::OnMouseDown(wxMouseEvent& event) {
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InteractiveCanvas::OnMouseDown(event);
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userInputValue = mouseTracker.getMouseY() * (level_max-level_min) + level_min;
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mouseTracker.setHorizDragLock(true);
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}
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void MeterCanvas::OnMouseReleased(wxMouseEvent& event) {
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InteractiveCanvas::OnMouseReleased(event);
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userInputValue = mouseTracker.getMouseY() * (level_max-level_min) + level_min;
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}
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void MeterCanvas::OnMouseRightDown(wxMouseEvent& event) {
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InteractiveCanvas::OnMouseRightDown(event);
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}
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void MeterCanvas::OnMouseRightReleased(wxMouseEvent& event) {
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InteractiveCanvas::OnMouseRightReleased(event);
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if (showUserInput) {
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userInputValue = level - level * 0.02;
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}
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}
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void MeterCanvas::OnMouseWheelMoved(wxMouseEvent& event) {
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InteractiveCanvas::OnMouseWheelMoved(event);
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float movement = 3.0 * (float)event.GetWheelRotation();
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float currentValue;
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if (showUserInput) {
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currentValue = userInputValue;
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} else {
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currentValue = level;
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}
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currentValue = currentValue + ((movement / 100.0) * ((level_max - level_min) / 100.0));
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if (currentValue > level_max) {
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currentValue = level_max;
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}
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if (currentValue < level_min) {
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currentValue = level_min;
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}
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userInputValue = currentValue;
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}
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void MeterCanvas::OnMouseLeftWindow(wxMouseEvent& event) {
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InteractiveCanvas::OnMouseLeftWindow(event);
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SetCursor(wxCURSOR_CROSS);
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Refresh();
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}
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void MeterCanvas::OnMouseEnterWindow(wxMouseEvent& event) {
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InteractiveCanvas::mouseTracker.OnMouseEnterWindow(event);
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SetCursor(wxCURSOR_CROSS);
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#ifdef _WIN32
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if (wxGetApp().getAppFrame()->canFocus()) {
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this->SetFocus();
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}
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#endif
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}
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void MeterCanvas::setHelpTip(std::string tip) {
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helpTip = tip;
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}
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