From 482ff41382a5289e1a7aa914bf22c669d0d8ffba Mon Sep 17 00:00:00 2001
From: "Charles J. Cliffe" <cj@cubicproductions.com>
Date: Sun, 4 Jan 2015 19:32:51 -0500
Subject: [PATCH] Can now drag tuner values

---
 src/visual/TuningCanvas.cpp  | 37 +++++++++++++++++++++++++++++++++---
 src/visual/TuningCanvas.h    |  1 +
 src/visual/TuningContext.cpp | 36 +++++++++++++++++++++++++++++------
 3 files changed, 65 insertions(+), 9 deletions(-)

diff --git a/src/visual/TuningCanvas.cpp b/src/visual/TuningCanvas.cpp
index a8f8ff3..c7d4276 100644
--- a/src/visual/TuningCanvas.cpp
+++ b/src/visual/TuningCanvas.cpp
@@ -25,7 +25,7 @@ EVT_ENTER_WINDOW(TuningCanvas::OnMouseEnterWindow)
 wxEND_EVENT_TABLE()
 
 TuningCanvas::TuningCanvas(wxWindow *parent, int *attribList) :
-        InteractiveCanvas(parent, attribList) {
+        InteractiveCanvas(parent, attribList), dragAccum(0) {
 
     glContext = new TuningContext(this, &wxGetApp().GetContext(this));
 }
@@ -46,7 +46,9 @@ void TuningCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
     DemodulatorInstance *activeDemod = wxGetApp().getDemodMgr().getLastActiveDemodulator();
 
     if (activeDemod != NULL) {
-        glContext->DrawDemodFreqBw(activeDemod->getFrequency(),activeDemod->getBandwidth(),wxGetApp().getFrequency());
+        glContext->DrawDemodFreqBw(activeDemod->getFrequency(), activeDemod->getBandwidth(), wxGetApp().getFrequency());
+    } else {
+        glContext->DrawDemodFreqBw(0, 0, wxGetApp().getFrequency());
     }
 
     glContext->DrawEnd();
@@ -61,11 +63,37 @@ void TuningCanvas::OnIdle(wxIdleEvent &event) {
 void TuningCanvas::OnMouseMoved(wxMouseEvent& event) {
     InteractiveCanvas::OnMouseMoved(event);
 
+    if (mouseTracker.mouseDown()) {
+        DemodulatorInstance *activeDemod = wxGetApp().getDemodMgr().getLastActiveDemodulator();
+
+        float uxPos = 2.0 * (mouseTracker.getMouseX() - 0.5);
+
+        dragAccum += mouseTracker.getDeltaMouseX();
+
+        if (uxPos < -0.275 && activeDemod != NULL) {
+            if (abs(dragAccum * 100.0) >= 1) {
+                activeDemod->setFrequency(activeDemod->getFrequency() + (int) (dragAccum * 100.0));
+                dragAccum = 0;
+            }
+        } else if (uxPos > 0.275) {
+            wxGetApp().setFrequency(wxGetApp().getFrequency() + (int) (mouseTracker.getDeltaMouseX() * SRATE * 100.0));
+            dragAccum = 0;
+        } else if (activeDemod != NULL) {
+            if (abs(dragAccum * 100.0) >= 1) {
+                activeDemod->setBandwidth(activeDemod->getBandwidth() + (int) (dragAccum * 100.0));
+                dragAccum = 0;
+            }
+        }
+    }
 }
 
 void TuningCanvas::OnMouseDown(wxMouseEvent& event) {
     InteractiveCanvas::OnMouseDown(event);
     mouseTracker.setHorizDragLock(true);
+    mouseTracker.setVertDragLock(true);
+
+    dragAccum = 0;
+    SetCursor(wxCURSOR_IBEAM);
 }
 
 void TuningCanvas::OnMouseWheelMoved(wxMouseEvent& event) {
@@ -74,6 +102,9 @@ void TuningCanvas::OnMouseWheelMoved(wxMouseEvent& event) {
 
 void TuningCanvas::OnMouseReleased(wxMouseEvent& event) {
     InteractiveCanvas::OnMouseReleased(event);
+    mouseTracker.setHorizDragLock(false);
+    mouseTracker.setVertDragLock(false);
+    SetCursor(wxCURSOR_SIZEWE);
 }
 
 void TuningCanvas::OnMouseLeftWindow(wxMouseEvent& event) {
@@ -83,7 +114,7 @@ void TuningCanvas::OnMouseLeftWindow(wxMouseEvent& event) {
 
 void TuningCanvas::OnMouseEnterWindow(wxMouseEvent& event) {
     InteractiveCanvas::mouseTracker.OnMouseEnterWindow(event);
-    SetCursor(wxCURSOR_CROSS);
+    SetCursor(wxCURSOR_SIZEWE);
 }
 
 void TuningCanvas::setHelpTip(std::string tip) {
diff --git a/src/visual/TuningCanvas.h b/src/visual/TuningCanvas.h
index 3d89b90..13c7de2 100644
--- a/src/visual/TuningCanvas.h
+++ b/src/visual/TuningCanvas.h
@@ -34,6 +34,7 @@ private:
     TuningContext *glContext;
 
     std::string helpTip;
+    float dragAccum;
     //
 wxDECLARE_EVENT_TABLE();
 };
diff --git a/src/visual/TuningContext.cpp b/src/visual/TuningContext.cpp
index 5883fd5..85446a1 100644
--- a/src/visual/TuningContext.cpp
+++ b/src/visual/TuningContext.cpp
@@ -70,18 +70,42 @@ void TuningContext::DrawDemodFreqBw(long long freq, unsigned int bw, long long c
     }
 
     getFont(fontSize).drawString("Freq: ", -0.75, 0, fontHeight, GLFont::GLFONT_ALIGN_RIGHT, GLFont::GLFONT_ALIGN_CENTER);
-    freqStr.str("");
-    freqStr << std::fixed << freq << "Hz";
+    if (bw) {
+        freqStr.str("");
+        freqStr << std::fixed << freq << "Hz";
+    } else {
+        freqStr.str("---");
+    }
     getFont(fontSize).drawString(freqStr.str(), -0.75, 0, fontHeight, GLFont::GLFONT_ALIGN_LEFT, GLFont::GLFONT_ALIGN_CENTER);
 
+    glColor3f(0.65, 0.65, 0.65);
+    glBegin(GL_LINES);
+    glVertex2f(-0.275, -1.0);
+    glVertex2f(-0.275, 1.0);
+    glEnd();
+
     getFont(fontSize).drawString("BW: ", -0.10, 0, fontHeight, GLFont::GLFONT_ALIGN_RIGHT, GLFont::GLFONT_ALIGN_CENTER);
-    freqStr.str("");
-    freqStr << std::fixed << bw << "Hz";
+    if (bw) {
+        freqStr.str("");
+        freqStr << std::fixed << bw << "Hz";
+    } else {
+        freqStr.str("---");
+    }
     getFont(fontSize).drawString(freqStr.str(), -0.10, 0, fontHeight, GLFont::GLFONT_ALIGN_LEFT, GLFont::GLFONT_ALIGN_CENTER);
 
+    glColor3f(0.65, 0.65, 0.65);
+    glBegin(GL_LINES);
+    glVertex2f(0.275, -1.0);
+    glVertex2f(0.275, 1.0);
+    glEnd();
+
     getFont(fontSize).drawString("CTR: ", 0.50, 0, fontHeight, GLFont::GLFONT_ALIGN_RIGHT, GLFont::GLFONT_ALIGN_CENTER);
-    freqStr.str("");
-    freqStr << std::fixed << center << "Hz";
+    if (center) {
+        freqStr.str("");
+        freqStr << std::fixed << center << "Hz";
+    } else {
+        freqStr.str("---");
+    }
     getFont(fontSize).drawString(freqStr.str(), 0.50, 0, fontHeight, GLFont::GLFONT_ALIGN_LEFT, GLFont::GLFONT_ALIGN_CENTER);
 }