64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
// 30 july 2014
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package ui
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// #include "winapi_windows.h"
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import "C"
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type controlParent struct {
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hwnd C.HWND
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}
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// don't specify preferredSize in any of these; they're per-control
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type controlSingleHWND struct {
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*controlbase
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hwnd C.HWND
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}
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func newControlSingleHWND(hwnd C.HWND) *controlSingleHWND {
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c := new(controlSingleHWND)
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c.controlbase = &controlbase{
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fsetParent: c.setParent,
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fresize: c.resize,
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fnTabStops: func() int {
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// most controls count as one tab stop
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return 1
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},
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}
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c.hwnd = hwnd
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return c
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}
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func (c *controlSingleHWND) setParent(p *controlParent) {
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C.controlSetParent(c.hwnd, p.hwnd)
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}
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func (c *controlSingleHWND) resize(x int, y int, width int, height int, d *sizing) {
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C.moveWindow(c.hwnd, C.int(x), C.int(y), C.int(width), C.int(height))
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}
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// these are provided for convenience
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type controlSingleHWNDWithText struct {
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*controlSingleHWND
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textlen C.LONG
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}
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func newControlSingleHWNDWithText(h C.HWND) *controlSingleHWNDWithText {
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return &controlSingleHWNDWithText{
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controlSingleHWND: newControlSingleHWND(h),
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}
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}
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// TODO export these instead of requiring dummy declarations in each implementation
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func (c *controlSingleHWNDWithText) text() string {
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return getWindowText(c.hwnd)
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}
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func (c *controlSingleHWNDWithText) setText(text string) {
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t := toUTF16(text)
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C.setWindowText(c.hwnd, t)
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c.textlen = C.controlTextLength(c.hwnd, t)
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}
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