zynaddsubfx

commit c68f50a086c9fce6539dd1857f18319c1beb445b
parent 8e868b3e0a93d5de5605ba40ad4c9e5d424298d9
Author: Christopher A. Oliver <caowasteland@gmail.com>
Date:   Sat, 17 Oct 2015 03:51:25 -0400

Add TSliders, OSC Sliders that show their values in tipwins.

Diffstat:
M
src/UI/CMakeLists.txt
 | 
2
++
A
src/UI/Fl_Osc_TSlider.H
 | 
21
+++++++++++++++++++++
A
src/UI/Fl_Osc_TSlider.cpp
 | 
65
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

3 files changed, 88 insertions(+), 0 deletions(-)
diff --git a/src/UI/CMakeLists.txt b/src/UI/CMakeLists.txt
@@ -66,6 +66,8 @@ add_library(zynaddsubfx_gui STATIC
         Fl_Osc_Dial.cpp
         Fl_Osc_DialF.cpp
         Fl_Osc_Slider.cpp
+        Fl_Osc_TSlider.cpp
+        Fl_Osc_DSlider.cpp
         Fl_Osc_VSlider.cpp
         Fl_Osc_Button.cpp
         Fl_Osc_Check.cpp
diff --git a/src/UI/Fl_Osc_TSlider.H b/src/UI/Fl_Osc_TSlider.H
@@ -0,0 +1,21 @@
+#ifndef FL_OSC_TSLIDER_H
+#define FL_OSC_TSLIDER_H
+#include "Fl_Osc_Slider.H"
+#include "TipWin.h"
+
+
+class Fl_Osc_TSlider:public Fl_Osc_Slider
+{
+    public:
+        Fl_Osc_TSlider(int x, int y, int w, int h, const char *label = 0);
+        ~Fl_Osc_TSlider();
+        int handle(int event);
+	void set_transform(float scale = 1.0, float offset = 0.0);
+	float transform(float x);
+        void setRounding(unsigned int digits = 0);
+    private:
+        class TipWin * tipwin;
+        float value_offset;
+        float value_scale;
+};
+#endif
diff --git a/src/UI/Fl_Osc_TSlider.cpp b/src/UI/Fl_Osc_TSlider.cpp
@@ -0,0 +1,65 @@
+#include <cmath>
+#include <Fl_Osc_TSlider.H>
+//Copyright (c) 2015 Christopher Oliver
+//License: GNU GPL version 2 or later
+
+
+Fl_Osc_TSlider::Fl_Osc_TSlider(int x, int y, int w, int h, const char *label)
+    :Fl_Osc_Slider(x, y, w, h, label), value_offset(0.0), value_scale(1.0)
+{
+    Fl_Group *save = Fl_Group::current();
+    tipwin = new TipWin();
+    tipwin->hide();
+    Fl_Group::current(save);
+    tipwin->setRounding();
+}
+
+Fl_Osc_TSlider::~Fl_Osc_TSlider()
+{
+    if (tipwin)
+        delete tipwin;
+}
+
+void Fl_Osc_TSlider::setRounding(unsigned int digits)
+{
+    tipwin->setRounding(digits);
+}
+
+
+int Fl_Osc_TSlider::handle(int event)
+{
+    int super = 1;
+
+    super = Fl_Osc_Slider::handle(event);
+
+    switch(event) {
+        case FL_PUSH:
+        case FL_MOUSEWHEEL:
+            if (!Fl::event_inside(x(),y(),w(),h()))
+                return(1);
+            tipwin->position(Fl::event_x_root()-Fl::event_x()+x(),
+                             Fl::event_y_root()-Fl::event_y()+h()+y()+5);
+        case FL_DRAG:
+            tipwin->showValue(transform(value()));
+            break;
+        case FL_RELEASE:
+        case FL_HIDE:
+        case FL_LEAVE:
+            if (tipwin)
+                tipwin->hide();
+            return 1;
+    }
+    
+    return super;
+}
+
+void Fl_Osc_TSlider::set_transform(float scale, float offset)
+{
+    value_offset = offset;
+    value_scale = scale;
+}
+
+float Fl_Osc_TSlider::transform(float x)
+{
+    return value_scale * x + value_offset;
+}