diff options
| author | Pietro Gagliardi <[email protected]> | 2018-08-11 16:18:01 -0400 |
|---|---|---|
| committer | Pietro Gagliardi <[email protected]> | 2018-08-11 16:18:01 -0400 |
| commit | 308e253e0f7873710bf77312d7a12c576aaa9781 (patch) | |
| tree | fd20704da886ce82a3621ec1502897a8766b11be /AAA_GOFILES/spinbox.go | |
| parent | 0f75ebb5fa7a12bd1df26622ed3f5544a9d1d32b (diff) | |
Moved the existing .go files out of the way and replaced ui.h with the alpha4 ui.h.
Diffstat (limited to 'AAA_GOFILES/spinbox.go')
| -rw-r--r-- | AAA_GOFILES/spinbox.go | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/AAA_GOFILES/spinbox.go b/AAA_GOFILES/spinbox.go new file mode 100644 index 0000000..5e5e43f --- /dev/null +++ b/AAA_GOFILES/spinbox.go @@ -0,0 +1,111 @@ +// 12 december 2015 + +package ui + +import ( + "unsafe" +) + +// #include "ui.h" +// extern void doSpinboxOnChanged(uiSpinbox *, void *); +// static inline void realuiSpinboxOnChanged(uiSpinbox *b) +// { +// uiSpinboxOnChanged(b, doSpinboxOnChanged, NULL); +// } +import "C" + +// no need to lock this; only the GUI thread can access it +var spinboxes = make(map[*C.uiSpinbox]*Spinbox) + +// Spinbox is a Control that represents a space where the user can +// enter integers. The space also comes with buttons to add or +// subtract 1 from the integer. +type Spinbox struct { + c *C.uiControl + s *C.uiSpinbox + + onChanged func(*Spinbox) +} + +// NewSpinbox creates a new Spinbox. If min >= max, they are swapped. +func NewSpinbox(min int, max int) *Spinbox { + s := new(Spinbox) + + s.s = C.uiNewSpinbox(C.intmax_t(min), C.intmax_t(max)) + s.c = (*C.uiControl)(unsafe.Pointer(s.s)) + + C.realuiSpinboxOnChanged(s.s) + spinboxes[s.s] = s + + return s +} + +// Destroy destroys the Spinbox. +func (s *Spinbox) Destroy() { + delete(spinboxes, s.s) + C.uiControlDestroy(s.c) +} + +// LibuiControl returns the libui uiControl pointer that backs +// the Window. This is only used by package ui itself and should +// not be called by programs. +func (s *Spinbox) LibuiControl() uintptr { + return uintptr(unsafe.Pointer(s.c)) +} + +// Handle returns the OS-level handle associated with this Spinbox. +// On Windows this is an HWND of a standard Windows API EDIT +// class (as provided by Common Controls version 6). Due to +// various limitations which affect the lifetime of the associated +// Common Controls version 6 UPDOWN_CLASS window that +// provides the buttons, there is no way to access it. +// On GTK+ this is a pointer to a GtkSpinButton. +// On OS X this is a pointer to a NSView that contains a NSTextField +// and a NSStepper as subviews. +func (s *Spinbox) Handle() uintptr { + return uintptr(C.uiControlHandle(s.c)) +} + +// Show shows the Spinbox. +func (s *Spinbox) Show() { + C.uiControlShow(s.c) +} + +// Hide hides the Spinbox. +func (s *Spinbox) Hide() { + C.uiControlHide(s.c) +} + +// Enable enables the Spinbox. +func (s *Spinbox) Enable() { + C.uiControlEnable(s.c) +} + +// Disable disables the Spinbox. +func (s *Spinbox) Disable() { + C.uiControlDisable(s.c) +} + +// Value returns the Spinbox's current value. +func (s *Spinbox) Value() int { + return int(C.uiSpinboxValue(s.s)) +} + +// SetText sets the Spinbox's current value to value. +func (s *Spinbox) SetValue(value int) { + C.uiSpinboxSetValue(s.s, C.intmax_t(value)) +} + +// OnChanged registers f to be run when the user changes the value +// of the Spinbox. Only one function can be registered at a time. +func (s *Spinbox) OnChanged(f func(*Spinbox)) { + s.onChanged = f +} + +//export doSpinboxOnChanged +func doSpinboxOnChanged(ss *C.uiSpinbox, data unsafe.Pointer) { + s := spinboxes[ss] + if s.onChanged != nil { + s.onChanged(s) + } +} |
