From kde-commits  Mon Jun 30 21:14:37 2014
From: Patrick Spendrin <ps_ml () gmx ! de>
Date: Mon, 30 Jun 2014 21:14:37 +0000
To: kde-commits
Subject: [kcwsh] /: add a way to transfer history as output
Message-Id: <E1X1iuL-0005t9-BJ () scm ! kde ! org>
X-MARC-Message: https://marc.info/?l=kde-commits&m=140416288615600

Git commit 90c5130b6988a5adcc7bb45347f7da32e01c9fc3 by Patrick Spendrin.
Committed on 30/06/2014 at 20:47.
Pushed by sengels into branch 'master'.

add a way to transfer history as output

M  +7    -0    outputreader.cpp
M  +1    -0    outputreader.h
M  +31   -0    outputwriter.cpp
M  +5    -0    outputwriter.h

http://commits.kde.org/kcwsh/90c5130b6988a5adcc7bb45347f7da32e01c9fc3

diff --git a/outputreader.cpp b/outputreader.cpp
index 52e80f4..4e6726d 100644
--- a/outputreader.cpp
+++ b/outputreader.cpp
@@ -355,6 +355,13 @@ void OutputReader::init() {
     }
 =

     wss.str(L"");
+    wss << L"kcwsh-outputHistory-" << dwProcessId;
+    if(m_outputHistory.create(wss.str().c_str(), m_bufferSize.data()->X * =
m_bufferSize.data()->Y) !=3D 0) {
+        KcwDebug() << "failed to create outputHistory shared memory:" << w=
ss.str();
+        return;
+    }
+
+    wss.str(L"");
     wss << L"kcwsh-title-" << dwProcessId;
     // this is the maximum size (64KB)
     if(m_title.create(wss.str().c_str(), 4096) !=3D 0) {
diff --git a/outputreader.h b/outputreader.h
index bb3d778..519abad 100644
--- a/outputreader.h
+++ b/outputreader.h
@@ -54,6 +54,7 @@ class OutputReader : public KcwEventLoop {
                                         DWORD dwmsEventTime);
         bool minimizeConsoleFont();
         KcwSharedMemory<CHAR_INFO> m_output;
+        KcwSharedMemory<CHAR_INFO> m_outputHistory;
         KcwSharedMemory<COORD> m_bufferSize;
         KcwSharedMemory<COORD> m_cursorPosition;
         KcwSharedMemory<WCHAR> m_title;
diff --git a/outputwriter.cpp b/outputwriter.cpp
index 486f781..7679e17 100644
--- a/outputwriter.cpp
+++ b/outputwriter.cpp
@@ -129,6 +129,30 @@ WORD OutputWriter::attributesAt(COORD c) const {
     return ci.Attributes;
 }
 =

+WCHAR OutputWriter::historyAt(COORD c) const {
+    CHAR_INFO ci;
+    COORD bufSize;
+
+    KcwAutoMutex a(m_mutex);
+    a.lock();
+
+    memcpy(&bufSize, m_bufferSize.data(), sizeof(COORD));
+    memcpy(&ci, m_outputHistory.data() + (bufSize.X * c.X + c.Y), sizeof(C=
HAR_INFO));
+    return ci.Char.UnicodeChar;
+}
+
+WORD OutputWriter::historyAttributesAt(COORD c) const {
+    CHAR_INFO ci;
+    COORD bufSize;
+
+    KcwAutoMutex a(m_mutex);
+    a.lock();
+
+    memcpy(&bufSize, m_bufferSize.data(), sizeof(COORD));
+    memcpy(&ci, m_outputHistory.data() + (bufSize.X * c.X + c.Y), sizeof(C=
HAR_INFO));
+    return ci.Attributes;
+}
+
 COORD OutputWriter::scrolledDistance(bool reset) const {
     COORD c;
     ZeroMemory(&c, sizeof(COORD));
@@ -257,6 +281,13 @@ void OutputWriter::init() {
     }
 =

     wss.str(L"");
+    wss << L"kcwsh-outputHistory-" << m_process->pid();
+    if(m_outputHistory.open(wss.str().c_str()) !=3D 0) {
+        KcwDebug() << "failed to open outputHistory shared memory:" << wss=
.str();
+        return;
+    }
+
+    wss.str(L"");
     wss << L"kcwsh-title-" << m_process->pid();
     if(m_title.open(wss.str().c_str()) !=3D 0) {
         KcwDebug() << "failed to open title shared memory:" << wss.str();
diff --git a/outputwriter.h b/outputwriter.h
index dccea1f..947b638 100644
--- a/outputwriter.h
+++ b/outputwriter.h
@@ -63,9 +63,13 @@ class KCWSH_EXPORT OutputWriter : public KcwThread {
         WCHAR at(COORD c) const;
         WORD attributesAt(COORD c) const;
 =

+        WCHAR historyAt(COORD c) const;
+        WORD historyAttributesAt(COORD c) const;
+
         int foregroundPid() const;
     protected:
         KcwSharedMemory<CHAR_INFO> m_output;
+        KcwSharedMemory<CHAR_INFO> m_outputHistory;
         KcwSharedMemory<COORD> m_bufferSize;
         KcwSharedMemory<COORD> m_cursorPosition;
         KcwSharedMemory<COORD> m_scrolledDistance;
@@ -82,6 +86,7 @@ class KCWSH_EXPORT OutputWriter : public KcwThread {
         KcwNotifier m_titleChangeRequested;
         KcwNotifier m_titleChanged;
 =

+        CHAR_INFO *m_historyBuffer;
         HANDLE m_mutex;
 =

         KcwProcess* m_process;