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Raise the window in single-instance mode

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Other than issuing a warning on the console, now the LyX window is
raised when in single-instance mode and no files to load are specified.
In this way, the user is aware that something happened after double
clicking the program icon. To support this functionality the new lfun
window-raise has been introduced.
This commit is contained in:
Enrico Forestieri 2020-04-21 21:55:20 +02:00
parent 986a55fd7e
commit a73c2c2b93
4 changed files with 33 additions and 2 deletions
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1
src/FuncCode.h
View File

@ -489,6 +489,7 @@ enum FuncCode
// 380
LFUN_MASTER_BUFFER_FORALL, // spitz 20191231
LFUN_IF_RELATIVES, // spitz 20200102
LFUN_WINDOW_RAISE, // forenr, 20202104
LFUN_LASTACTION // end of the table
};

12
src/LyXAction.cpp
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@ -4220,6 +4220,18 @@ void LyXAction::init()
*/
{ LFUN_WINDOW_NEW, "window-new", NoBuffer, Buffer },
/*!
* \var lyx::FuncCode lyx::LFUN_WINDOW_RAISE
* \li Action: Raises the LyX window.
* \li Notion: Brings the LyX window to the front. Such behavior is allowed
on Windows only when no other application has focus.
This action is used when LyX is in single instance mode.
* \li Syntax: window-raise
* \li Origin: forenr, 21 Apr 2020
* \endvar
*/
{ LFUN_WINDOW_RAISE, "window-raise", ReadOnly | NoBuffer, Hidden },
/*!
* \var lyx::FuncCode lyx::LFUN_WORD_BACKWARD
* \li Action: Moves the cursor to the logically previous beginning of a word.

15
src/Server.cpp
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@ -1002,14 +1002,25 @@ struct Sleep : QThread
bool LyXComm::loadFilesInOtherInstance()
{
int pipefd;
FileName const pipe(inPipeName());
if (theFilesToLoad().empty()) {
LYXERR0("LyX is already running in another instance\n"
"and 'use single instance' is active.");
// Wait a while for the other instance to reset the connection
Sleep::millisec(200);
pipefd = ::open(pipe.toFilesystemEncoding().c_str(), O_WRONLY);
if (pipefd >= 0) {
string const cmd = "LYXCMD:pipe:window-raise\n";
if (::write(pipefd, cmd.c_str(), cmd.length()) < 0)
LYXERR0("Cannot communicate with running instance!");
::close(pipefd);
}
return true;
}
int pipefd;
int loaded_files = 0;
FileName const pipe(inPipeName());
vector<string>::iterator it = theFilesToLoad().begin();
while (it != theFilesToLoad().end()) {
FileName fname = fileSearch(string(), os::internal_path(*it),

7
src/frontends/qt/GuiView.cpp
View File

@ -2312,6 +2312,7 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
case LFUN_SERVER_GOTO_FILE_ROW:
case LFUN_LYX_ACTIVATE:
case LFUN_WINDOW_RAISE:
break;
case LFUN_FORWARD_SEARCH:
enable = !(lyxrc.forward_search_dvi.empty() && lyxrc.forward_search_pdf.empty());
@ -4502,6 +4503,12 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
activateWindow();
break;
case LFUN_WINDOW_RAISE:
raise();
activateWindow();
showNormal();
break;
case LFUN_FORWARD_SEARCH: {
// it seems safe to assume we have a document buffer, since
// getStatus wants one.