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On Screen Keyboard support on Linux by using "onboard" as a child process.

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--HG--
branch : dev
This commit is contained in:
Martín Lucas Golini
2020-01-12 15:53:43 -03:00
parent af29d3e7ef
commit 6fc8f92a8e
1 changed files with 39 additions and 0 deletions
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39
src/eepp/window/backend/SDL2/windowsdl2.cpp
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@@ -8,6 +8,7 @@
#include <eepp/graphics/shaderprogrammanager.hpp>
#include <eepp/graphics/texturefactory.hpp>
#include <eepp/graphics/vertexbuffermanager.hpp>
#include <eepp/system/filesystem.hpp>
#include <eepp/window/backend/SDL2/clipboardsdl2.hpp>
#include <eepp/window/backend/SDL2/cursormanagersdl2.hpp>
#include <eepp/window/backend/SDL2/inputsdl2.hpp>
@@ -122,6 +123,34 @@ int hideOSK() {
WIN_OSK_VISIBLE = false;
return PostMessage( GetDesktopWindow(), WM_SYSCOMMAND, (int)SC_CLOSE, 0 );
}
#elif defined( EE_X11_PLATFORM )
#include <signal.h>
#include <unistd.h>
static pid_t ONBOARD_PID = 0;
void showOSK() {
if ( ONBOARD_PID == 0 ) {
if ( FileSystem::fileExists( "/usr/bin/onboard" ) ) {
pid_t pid = fork();
if ( pid == 0 ) {
execl( "/usr/bin/onboard", "onboard", NULL );
} else if ( pid != -1 ) {
ONBOARD_PID = pid;
}
} else {
EE::eePRINTL( "onboard must be installed to be able to use the On Screen Keyboard" );
}
}
}
void hideOSK() {
if ( ONBOARD_PID != 0 ) {
kill( ONBOARD_PID, SIGTERM );
ONBOARD_PID = 0;
}
}
#endif
namespace EE { namespace Window { namespace Backend { namespace SDL2 {
@@ -156,6 +185,10 @@ WindowSDL::~WindowSDL() {
if ( NULL != mSDLWindow ) {
SDL_DestroyWindow( mSDLWindow );
}
#if defined( EE_X11_PLATFORM )
hideOSK();
#endif
}
bool WindowSDL::create( WindowSettings Settings, ContextSettings Context ) {
@@ -731,6 +764,8 @@ void WindowSDL::startTextInput() {
if ( mWindow.WindowConfig.UseScreenKeyboard ) {
#if EE_PLATFORM == EE_PLATFORM_WIN
showOSK( getWindowHandler() );
#elif defined( EE_X11_PLATFORM )
showOSK();
#else
SDL_StartTextInput();
#endif
@@ -740,6 +775,8 @@ void WindowSDL::startTextInput() {
bool WindowSDL::isTextInputActive() {
#if EE_PLATFORM == EE_PLATFORM_WIN
return WIN_OSK_VISIBLE;
#elif defined( EE_X11_PLATFORM )
return ONBOARD_PID != 0;
#else
return SDL_TRUE == SDL_IsTextInputActive();
#endif
@@ -749,6 +786,8 @@ void WindowSDL::stopTextInput() {
if ( mWindow.WindowConfig.UseScreenKeyboard ) {
#if EE_PLATFORM == EE_PLATFORM_WIN
hideOSK();
#elif defined( EE_X11_PLATFORM )
hideOSK();
#else
SDL_StopTextInput();
#endif