CubicSDR/src/visual/TuningCanvas.cpp
2015-02-22 23:02:39 -05:00

148 lines
4.4 KiB
C++

#include "TuningCanvas.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(TuningCanvas, wxGLCanvas) EVT_PAINT(TuningCanvas::OnPaint)
EVT_IDLE(TuningCanvas::OnIdle)
EVT_MOTION(TuningCanvas::OnMouseMoved)
EVT_LEFT_DOWN(TuningCanvas::OnMouseDown)
EVT_LEFT_UP(TuningCanvas::OnMouseReleased)
EVT_LEAVE_WINDOW(TuningCanvas::OnMouseLeftWindow)
EVT_ENTER_WINDOW(TuningCanvas::OnMouseEnterWindow)
wxEND_EVENT_TABLE()
TuningCanvas::TuningCanvas(wxWindow *parent, int *attribList) :
InteractiveCanvas(parent, attribList), dragAccum(0) {
glContext = new TuningContext(this, &wxGetApp().GetContext(this));
}
TuningCanvas::~TuningCanvas() {
}
void TuningCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
wxPaintDC dc(this);
#ifdef __APPLE__ // force half-rate?
glFinish();
#endif
const wxSize ClientSize = GetClientSize();
glContext->SetCurrent(*this);
initGLExtensions();
glViewport(0, 0, ClientSize.x, ClientSize.y);
glContext->DrawBegin();
DemodulatorInstance *activeDemod = wxGetApp().getDemodMgr().getLastActiveDemodulator();
if (activeDemod != NULL) {
glContext->DrawDemodFreqBw(activeDemod->getFrequency(), activeDemod->getBandwidth(), wxGetApp().getFrequency());
} else {
glContext->DrawDemodFreqBw(0, wxGetApp().getDemodMgr().getLastBandwidth(), wxGetApp().getFrequency());
}
if (mouseTracker.mouseDown()) {
glContext->Draw(ThemeMgr::mgr.currentTheme->tuningBar.r, ThemeMgr::mgr.currentTheme->tuningBar.g, ThemeMgr::mgr.currentTheme->tuningBar.b,
0.6, mouseTracker.getOriginMouseX(), mouseTracker.getMouseX());
}
glContext->DrawEnd();
SwapBuffers();
}
void TuningCanvas::OnIdle(wxIdleEvent &event) {
if (mouseTracker.mouseDown()) {
DemodulatorInstance *activeDemod = wxGetApp().getDemodMgr().getLastActiveDemodulator();
float dragDelta = mouseTracker.getMouseX() - mouseTracker.getOriginMouseX();
dragAccum += dragDelta;
float moveVal = dragAccum * 10.0;
if (uxDown > 0.275) {
wxGetApp().setFrequency(
wxGetApp().getFrequency()
+ (int) (dragAccum * fabs(dragAccum * 10.0) * fabs(dragAccum * 10.0) * (float) wxGetApp().getSampleRate()));
} else if (fabs(moveVal) >= 1.0) {
if (uxDown < -0.275) {
if (activeDemod != NULL) {
long long freq = activeDemod->getFrequency() + (int) (moveVal * fabs(moveVal) * fabs(moveVal) * fabs(moveVal));
activeDemod->setFrequency(freq);
activeDemod->updateLabel(freq);
}
} else {
int amt = (int) (moveVal * fabs(moveVal) * fabs(moveVal) * fabs(moveVal));
if (activeDemod != NULL) {
activeDemod->setBandwidth(activeDemod->getBandwidth() + amt);
} else {
wxGetApp().getDemodMgr().setLastBandwidth(wxGetApp().getDemodMgr().getLastBandwidth() + amt);
}
}
}
while (fabs(dragAccum * 10.0) >= 1.0) {
if (dragAccum > 0) {
dragAccum -= 1.0 / 10.0;
} else {
dragAccum += 1.0 / 10.0;
}
}
}
Refresh(false);
}
void TuningCanvas::OnMouseMoved(wxMouseEvent& event) {
InteractiveCanvas::OnMouseMoved(event);
}
void TuningCanvas::OnMouseDown(wxMouseEvent& event) {
InteractiveCanvas::OnMouseDown(event);
mouseTracker.setVertDragLock(true);
uxDown = 2.0 * (mouseTracker.getMouseX() - 0.5);
dragAccum = 0;
SetCursor(wxCURSOR_IBEAM);
}
void TuningCanvas::OnMouseWheelMoved(wxMouseEvent& event) {
InteractiveCanvas::OnMouseWheelMoved(event);
}
void TuningCanvas::OnMouseReleased(wxMouseEvent& event) {
InteractiveCanvas::OnMouseReleased(event);
mouseTracker.setVertDragLock(false);
SetCursor(wxCURSOR_SIZEWE);
}
void TuningCanvas::OnMouseLeftWindow(wxMouseEvent& event) {
InteractiveCanvas::OnMouseLeftWindow(event);
SetCursor(wxCURSOR_CROSS);
}
void TuningCanvas::OnMouseEnterWindow(wxMouseEvent& event) {
InteractiveCanvas::mouseTracker.OnMouseEnterWindow(event);
SetCursor(wxCURSOR_SIZEWE);
}
void TuningCanvas::setHelpTip(std::string tip) {
helpTip = tip;
}