63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
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// 28 october 2014
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package ui
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import (
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"unsafe"
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)
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// #include "winapi_windows.h"
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import "C"
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// TODO do we have to manually monitor user changes to the edit control?
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type spinbox struct {
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hwndEdit C.HWND
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hwndUpDown C.HWND
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}
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func newSpinbox() Spinbox {
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s := new(spinbox)
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s.hwndEdit = C.newControl(editclass,
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C.textfieldStyle | C.ES_NUMBER,
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C.textfieldExtStyle)
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s.hwndUpDown = C.newControl(C.xUPDOWN_CLASSW,
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C.UDS_ALIGNRIGHT | C.UDS_ARROWKEYS | C.UDS_HOTTRACK | C.UDS_NOTHOUSANDS | C.UDS_SETBUDDYINT,
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0)
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C.SendMessageW(s.hwndUpDown, C.UDM_SETBUDDY, C.WPARAM(uintptr(unsafe.Pointer(s.hwndEdit))), 0)
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C.SendMessageW(s.hwndUpDown, C.UDM_SETRANGE32, 0, 100)
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C.SendMessageW(s.hwndUpDown, C.UDM_SETPOS32, 0, 0)
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return s
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}
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func (s *spinbox) setParent(p *controlParent) {
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C.controlSetParent(s.hwndEdit, p.hwnd)
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C.controlSetParent(s.hwndUpDown, p.hwnd)
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}
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func (s *spinbox) preferredSize(d *sizing) (width, height int) {
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// TODO
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return 20, 20
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}
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func (s *spinbox) resize(x int, y int, width int, height int, d *sizing) {
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C.moveWindow(s.hwndEdit, C.int(x), C.int(y), C.int(width), C.int(height))
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}
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func (s *spinbox) nTabStops() int {
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// TODO does the up-down control count?
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return 1
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}
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// TODO be sure to modify this when we add Show()/Hide()
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func (s *spinbox) containerShow() {
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C.ShowWindow(s.hwndEdit, C.SW_SHOW)
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C.ShowWindow(s.hwndUpDown, C.SW_SHOW)
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}
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// TODO be sure to modify this when we add Show()/Hide()
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func (s *spinbox) containerHide() {
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C.ShowWindow(s.hwndEdit, C.SW_HIDE)
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C.ShowWindow(s.hwndUpDown, C.SW_HIDE)
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}
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