mirror of
https://gitee.com/energye/energy.git
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175 lines
5.7 KiB
Go
175 lines
5.7 KiB
Go
//----------------------------------------
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//
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// Copyright © yanghy. All Rights Reserved.
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//
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// Licensed under Apache License Version 2.0, January 2004
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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//----------------------------------------
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// energy - lcl window api - callback
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// TODO : All functions of this API have not been fully tested yet
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package winapi
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import (
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"github.com/energye/energy/v2/cef/internal/def"
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"github.com/energye/energy/v2/common/imports"
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"github.com/energye/energy/v2/types"
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"github.com/energye/golcl/lcl"
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"github.com/energye/golcl/lcl/api"
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"unsafe"
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)
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type enumDisplayMonitorsProc func(hMonitor types.HMONITOR, hdcMonitor types.HDC, lprcMonitor types.Rect, dwData types.LPARAM) types.LongBool
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type enumFontFamiliesProc func(ELogFont *types.TagEnumLogFontA, Metric *types.TNewTextMetric, FontType types.LongInt, Data types.LPARAM) types.LongInt
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type enumFontFamiliesExProc func(ELogFont *types.TagEnumLogFontExA, Metric *types.TNewTextMetricEx, FontType types.LongInt, Data types.LPARAM) types.LongInt
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type EnumDisplayMonitorsCallback struct {
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instance uintptr
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}
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type EnumFontFamiliesCallback struct {
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instance uintptr
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}
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type EnumFontFamiliesExCallback struct {
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instance uintptr
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}
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func NewEnumDisplayMonitorsCallback() *EnumDisplayMonitorsCallback {
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return &EnumDisplayMonitorsCallback{}
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}
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func (m *EnumDisplayMonitorsCallback) Callback(fn enumDisplayMonitorsProc) {
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if m.instance == 0 {
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m.instance = api.MakeEventDataPtr(fn)
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}
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}
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// Free 使用完需要将释放掉
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func (m *EnumDisplayMonitorsCallback) Free() {
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if m.instance != 0 {
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api.RemoveEventElement(m.instance)
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imports.Proc(def.CEF_Win_EnumDisplayMonitorsCallbackFree).Call()
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}
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}
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func NewEnumFontFamiliesCallback() *EnumFontFamiliesCallback {
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return &EnumFontFamiliesCallback{}
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}
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func (m *EnumFontFamiliesCallback) Callback(fn enumFontFamiliesProc) {
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if m.instance == 0 {
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m.instance = api.MakeEventDataPtr(fn)
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}
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}
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// Free 使用完需要将释放掉
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func (m *EnumFontFamiliesCallback) Free() {
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if m.instance != 0 {
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api.RemoveEventElement(m.instance)
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imports.Proc(def.CEF_Win_EnumFontFamiliesCallbackFree).Call()
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}
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}
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func NewEnumFontFamiliesExCallback() *EnumFontFamiliesExCallback {
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return &EnumFontFamiliesExCallback{}
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}
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func (m *EnumFontFamiliesExCallback) Callback(fn enumFontFamiliesExProc) {
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if m.instance == 0 {
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m.instance = api.MakeEventDataPtr(fn)
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imports.Proc(def.CEF_Win_EnumFontFamiliesExCallbackFree).Call()
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}
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}
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// Free 使用完需要将释放掉
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func (m *EnumFontFamiliesExCallback) Free() {
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if m.instance != 0 {
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api.RemoveEventElement(m.instance)
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}
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}
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func init() {
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var readAnsiCharOffset = func(ptr uintptr, size int) (result []types.AnsiChar) {
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result = make([]types.AnsiChar, size)
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for i := 0; i < size; i++ {
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result[i] = *(*types.AnsiChar)(unsafe.Pointer(ptr + uintptr(i)))
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}
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return result
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}
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var readDWORDOffset = func(ptr uintptr, size int) (result []types.DWORD) {
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result = make([]types.DWORD, size)
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for i := 0; i < size; i++ {
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result[i] = *(*types.DWORD)(unsafe.Pointer(ptr + uintptr(i)))
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}
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return result
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}
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lcl.RegisterExtEventCallback(func(fn interface{}, getVal func(idx int) uintptr) bool {
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getPtr := func(i int) unsafe.Pointer {
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return unsafe.Pointer(getVal(i))
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}
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switch fn.(type) {
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case enumDisplayMonitorsProc:
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var (
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hMonitor = types.HMONITOR(getVal(0))
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hdcMonitor = types.HDC(getVal(1))
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lprcMonitor = *(*types.Rect)(getPtr(2))
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dwData = types.LPARAM(getVal(3))
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resultPtr = (*types.LongBool)(getPtr(4))
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)
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*resultPtr = fn.(enumDisplayMonitorsProc)(hMonitor, hdcMonitor, lprcMonitor, dwData)
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case enumFontFamiliesProc:
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var (
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ELogFontPtr = (*types.TagEnumLogFontAPtr)(getPtr(0))
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ELogFont *types.TagEnumLogFontA
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Metric = (*types.TNewTextMetric)(getPtr(1))
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FontType = types.LongInt(getVal(2))
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Data = types.LPARAM(getVal(3))
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resultPtr = (*types.LongInt)(getPtr(4))
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)
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ELogFont = &types.TagEnumLogFontA{
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ElfLogFont: (*types.LogFontA)(unsafe.Pointer(ELogFontPtr.ElfLogFont)),
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ElfFullName: readAnsiCharOffset(ELogFontPtr.ElfFullName, 64),
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ElfStyle: readAnsiCharOffset(ELogFontPtr.ElfStyle, 32),
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}
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ELogFont.ElfLogFont.LfFaceName = readAnsiCharOffset(ELogFontPtr.LfFaceName, 32)
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*resultPtr = fn.(enumFontFamiliesProc)(ELogFont, Metric, FontType, Data)
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case enumFontFamiliesExProc:
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var (
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ELogFontPtr = (*types.TagEnumLogFontExAPtr)(getPtr(0))
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ELogFont *types.TagEnumLogFontExA
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MetricPtr = (*types.TNewTextMetricExPtr)(getPtr(1))
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Metric *types.TNewTextMetricEx
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NtmeFontSignaturePtr *types.TFontSignaturePtr
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FontType = types.LongInt(getVal(2))
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Data = types.LPARAM(getVal(3))
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resultPtr = (*types.LongInt)(getPtr(4))
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)
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ELogFont = &types.TagEnumLogFontExA{
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ElfLogFont: (*types.LogFontA)(unsafe.Pointer(ELogFontPtr.ElfLogFont)),
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ElfFullName: readAnsiCharOffset(ELogFontPtr.ElfFullName, 64),
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ElfStyle: readAnsiCharOffset(ELogFontPtr.ElfStyle, 32),
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ElfScript: readAnsiCharOffset(ELogFontPtr.ElfScript, 32),
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}
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ELogFont.ElfLogFont.LfFaceName = readAnsiCharOffset(ELogFontPtr.LfFaceName, 32)
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NtmeFontSignaturePtr = (*types.TFontSignaturePtr)(unsafe.Pointer(MetricPtr.NtmeFontSignature))
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Metric = &types.TNewTextMetricEx{
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Ntmentm: *(*types.TNewTextMetric)(unsafe.Pointer(MetricPtr.Ntmentm)),
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NtmeFontSignature: types.TFontSignature{
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FsUsb: readDWORDOffset(NtmeFontSignaturePtr.FsUsb, 4),
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FsCsb: readDWORDOffset(NtmeFontSignaturePtr.FsCsb, 2),
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},
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}
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//fmt.Println("ELogFontPtr", ELogFont.ElfLogFont)
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//fmt.Println("Metric", Metric)
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*resultPtr = fn.(enumFontFamiliesExProc)(ELogFont, Metric, FontType, Data)
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default:
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return false
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}
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return true
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})
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}
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