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authorPietro Gagliardi <[email protected]>2018-08-26 09:55:07 -0400
committerPietro Gagliardi <[email protected]>2018-08-26 09:55:07 -0400
commit62ac2527732a01dfa6bd2c9523215c0ba3816641 (patch)
tree84244a69e048f79e4d9f134c121f4cf581200986 /colorbutton.go
parenta5a00c644c08a6e0f52740c3f2a280977929a285 (diff)
Moved all the Go files out of the way again, this time so we can migrate them to more proper cgo usage.
Diffstat (limited to 'colorbutton.go')
-rw-r--r--colorbutton.go83
1 files changed, 0 insertions, 83 deletions
diff --git a/colorbutton.go b/colorbutton.go
deleted file mode 100644
index 0129a55..0000000
--- a/colorbutton.go
+++ /dev/null
@@ -1,83 +0,0 @@
-// 12 december 2015
-
-package ui
-
-import (
- "unsafe"
-)
-
-// #include <stdlib.h>
-// #include "ui.h"
-// #include "util.h"
-// extern void doColorButtonOnChanged(uiColorButton *, void *);
-// // see golang/go#19835
-// typedef void (*colorButtonCallback)(uiColorButton *, void *);
-// typedef struct pkguiCColor pkguiCColor;
-// struct pkguiCColor { double *r; double *g; double *b; double *a; };
-// static inline pkguiCColor pkguiNewCColor(void)
-// {
-// pkguiCColor c;
-//
-// c.r = (double *) pkguiAlloc(4 * sizeof (double));
-// c.g = c.r + 1;
-// c.b = c.g + 1;
-// c.a = c.b + 1;
-// return c;
-// }
-// static inline void pkguiFreeCColor(pkguiCColor c)
-// {
-// free(c.r);
-// }
-import "C"
-
-// ColorButton is a Control that represents a button that the user can
-// click to select a color.
-type ColorButton struct {
- ControlBase
- b *C.uiColorButton
- onChanged func(*ColorButton)
-}
-
-// NewColorButton creates a new ColorButton.
-func NewColorButton() *ColorButton {
- b := new(ColorButton)
-
- b.b = C.uiNewColorButton()
-
- C.uiColorButtonOnChanged(b.b, C.colorButtonCallback(C.doColorButtonOnChanged), nil)
-
- b.ControlBase = NewControlBase(b, uintptr(unsafe.Pointer(b.b)))
- return b
-}
-
-// Color returns the color currently selected in the ColorButton.
-// Colors are not alpha-premultiplied.
-// TODO rename b or bl
-func (b *ColorButton) Color() (r, g, bl, a float64) {
- c := C.pkguiNewCColor()
- defer C.pkguiFreeCColor(c)
- C.uiColorButtonColor(b.b, c.r, c.g, c.b, c.a)
- return float64(*(c.r)), float64(*(c.g)), float64(*(c.b)), float64(*(c.a))
-}
-
-// SetColor sets the currently selected color in the ColorButton.
-// Colors are not alpha-premultiplied.
-// TODO rename b or bl
-func (b *ColorButton) SetColor(r, g, bl, a float64) {
- C.uiColorButtonSetColor(b.b, C.double(r), C.double(g), C.double(bl), C.double(a))
-}
-
-// OnChanged registers f to be run when the user changes the
-// currently selected color in the ColorButton. Only one function
-// can be registered at a time.
-func (b *ColorButton) OnChanged(f func(*ColorButton)) {
- b.onChanged = f
-}
-
-//export doColorButtonOnChanged
-func doColorButtonOnChanged(bb *C.uiColorButton, data unsafe.Pointer) {
- b := ControlFromLibui(uintptr(unsafe.Pointer(bb))).(*ColorButton)
- if b.onChanged != nil {
- b.onChanged(b)
- }
-}