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external clipboard feature (--clipboard command line or ~/.config/far…
…2l/clipboard script)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| #include "ExtClipboardBackend.h" | ||
| #include "WinPort.h" | ||
| #include <utils.h> | ||
| #include <stdio.h> | ||
| #include <UtfConvert.hpp> | ||
|
|
||
| ExtClipboardBackend::ExtClipboardBackend(const char *exec) | ||
| : | ||
| _exec(exec) | ||
| { | ||
| QuoteCmdArgIfNeed(_exec); | ||
| } | ||
|
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|
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| ExtClipboardBackend::~ExtClipboardBackend() | ||
| { | ||
| } | ||
|
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| bool ExtClipboardBackend::RunSimpleCommand(const char *arg) | ||
| { | ||
| std::string cmd = _exec; | ||
| cmd+= ' '; | ||
| cmd+= arg; | ||
|
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| std::string result; | ||
| POpen(result, cmd.c_str()); | ||
| return atoi(result.c_str()) > 0; | ||
| } | ||
|
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| bool ExtClipboardBackend::OnClipboardOpen() | ||
| { | ||
| return true; | ||
| } | ||
|
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| void ExtClipboardBackend::OnClipboardClose() | ||
| { | ||
| } | ||
|
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| void ExtClipboardBackend::OnClipboardEmpty() | ||
| { | ||
| RunSimpleCommand("empty"); | ||
| } | ||
|
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| bool ExtClipboardBackend::OnClipboardIsFormatAvailable(UINT format) | ||
| { | ||
| return format == CF_UNICODETEXT || format == CF_TEXT; | ||
| } | ||
|
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||
| void *ExtClipboardBackend::OnClipboardSetData(UINT format, void *data) | ||
| { | ||
| if (format != CF_UNICODETEXT && format != CF_TEXT) | ||
| return data; | ||
|
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| std::string cmd = _exec; | ||
| cmd+= " set"; | ||
|
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| FILE *f = popen(cmd.c_str(), "w"); | ||
| if (!f) { | ||
| return data; | ||
| } | ||
|
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| const size_t len = WINPORT(ClipboardSize)(data); | ||
|
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| if (format == CF_UNICODETEXT) { | ||
| UtfConverter<wchar_t, unsigned char> cvt((const wchar_t *)data, len / sizeof(wchar_t)); | ||
| fwrite(cvt.data(), 1, cvt.size(), f); | ||
| } else { | ||
| fwrite(data, 1, len, f); | ||
| } | ||
| pclose(f); | ||
| return data; | ||
| } | ||
|
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| void *ExtClipboardBackend::OnClipboardGetData(UINT format) | ||
| { | ||
| if (format != CF_UNICODETEXT && format != CF_TEXT) | ||
| return nullptr; | ||
|
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||
| std::string cmd = _exec; | ||
| cmd+= " get"; | ||
|
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| FILE *f = popen(cmd.c_str(), "r"); | ||
| if (!f) { | ||
| return nullptr; | ||
| } | ||
|
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| std::vector<unsigned char> data; | ||
| unsigned char buf[0x800]; | ||
| for (;;) { | ||
| size_t n = fread(buf, 1, sizeof(buf), f); | ||
| if (n) { | ||
| data.resize(data.size() + n); | ||
| memcpy(data.data() + data.size() - n, buf, n); | ||
| } | ||
| if (n < sizeof(buf)) break; | ||
| } | ||
|
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| void *out; | ||
| if (format == CF_UNICODETEXT) { | ||
| size_t utf8_len = data.size(); | ||
| while (utf8_len && !data[utf8_len - 1]) { | ||
| --utf8_len; | ||
| } | ||
|
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| std::wstring ws; | ||
| MB2Wide((const char *)data.data(), utf8_len, ws); | ||
|
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| out = WINPORT(ClipboardAlloc)( (ws.size() + 1) * sizeof(wchar_t)); | ||
| if (out) { | ||
| memcpy(out, ws.c_str(), (ws.size() + 1) * sizeof(wchar_t)); | ||
| } | ||
|
|
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| } else { | ||
| out = WINPORT(ClipboardAlloc)(data.empty() ? 1 : data.size()); | ||
| if (out && !data.empty()) { | ||
| memcpy(out, data.data(), data.size()); | ||
| } | ||
| } | ||
|
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| return out; | ||
| } | ||
|
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| UINT ExtClipboardBackend::OnClipboardRegisterFormat(const wchar_t *lpszFormat) | ||
| { | ||
| return 0; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| #pragma once | ||
| #include "WinCompat.h" | ||
| #include "Backend.h" | ||
|
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| class ExtClipboardBackend : public IClipboardBackend | ||
| { | ||
| std::string _exec; | ||
|
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| bool RunSimpleCommand(const char *arg); | ||
|
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| public: | ||
| ExtClipboardBackend(const char *exec); | ||
| virtual ~ExtClipboardBackend(); | ||
|
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| virtual bool OnClipboardOpen(); | ||
| virtual void OnClipboardClose(); | ||
| virtual void OnClipboardEmpty(); | ||
| virtual bool OnClipboardIsFormatAvailable(UINT format); | ||
| virtual void *OnClipboardSetData(UINT format, void *data); | ||
| virtual void *OnClipboardGetData(UINT format); | ||
| virtual UINT OnClipboardRegisterFormat(const wchar_t *lpszFormat); | ||
| }; | ||
|
|
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