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Merged clipboard code into input.

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This commit is contained in:
Camilla Berglund 2014-09-09 16:26:57 +02:00
parent 66c3af7628
commit 8d170c7f47
13 changed files with 478 additions and 675 deletions
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6
include/GLFW/glfw3.h
View File

@ -38,8 +38,6 @@ extern "C" {
* Doxygen documentation
*************************************************************************/
/*! @defgroup clipboard Clipboard support
*/
/*! @defgroup context Context handling
*/
/*! @defgroup error Error handling
@ -2418,7 +2416,7 @@ GLFWAPI const char* glfwGetJoystickName(int joy);
*
* @sa glfwGetClipboardString
*
* @ingroup clipboard
* @ingroup input
*/
GLFWAPI void glfwSetClipboardString(GLFWwindow* window, const char* string);
@ -2442,7 +2440,7 @@ GLFWAPI void glfwSetClipboardString(GLFWwindow* window, const char* string);
*
* @sa glfwSetClipboardString
*
* @ingroup clipboard
* @ingroup input
*/
GLFWAPI const char* glfwGetClipboardString(GLFWwindow* window);

24
src/CMakeLists.txt
View File

@ -8,33 +8,29 @@ add_definitions(-D_GLFW_USE_CONFIG_H)
set(common_HEADERS "${GLFW_BINARY_DIR}/src/glfw_config.h" internal.h
"${GLFW_SOURCE_DIR}/include/GLFW/glfw3.h"
"${GLFW_SOURCE_DIR}/include/GLFW/glfw3native.h")
set(common_SOURCES clipboard.c context.c init.c input.c joystick.c
monitor.c time.c window.c)
set(common_SOURCES context.c init.c input.c joystick.c monitor.c time.c
window.c)
if (_GLFW_COCOA)
set(glfw_HEADERS ${common_HEADERS} cocoa_platform.h iokit_joystick.h
posix_tls.h)
set(glfw_SOURCES ${common_SOURCES} cocoa_clipboard.m cocoa_init.m
cocoa_monitor.m cocoa_window.m iokit_joystick.m mach_time.c
posix_tls.c)
set(glfw_SOURCES ${common_SOURCES} cocoa_init.m cocoa_monitor.m
cocoa_window.m iokit_joystick.m mach_time.c posix_tls.c)
elseif (_GLFW_WIN32)
set(glfw_HEADERS ${common_HEADERS} win32_platform.h win32_tls.h
winmm_joystick.h)
set(glfw_SOURCES ${common_SOURCES} win32_clipboard.c win32_init.c
win32_monitor.c win32_time.c win32_tls.c win32_window.c
winmm_joystick.c)
set(glfw_SOURCES ${common_SOURCES} win32_init.c win32_monitor.c win32_time.c
win32_tls.c win32_window.c winmm_joystick.c)
elseif (_GLFW_X11)
set(glfw_HEADERS ${common_HEADERS} x11_platform.h xkb_unicode.h
linux_joystick.h posix_time.h posix_tls.h)
set(glfw_SOURCES ${common_SOURCES} x11_clipboard.c x11_init.c x11_monitor.c
x11_window.c xkb_unicode.c linux_joystick.c posix_time.c
posix_tls.c)
set(glfw_SOURCES ${common_SOURCES} x11_init.c x11_monitor.c x11_window.c
xkb_unicode.c linux_joystick.c posix_time.c posix_tls.c)
elseif (_GLFW_WAYLAND)
set(glfw_HEADERS ${common_HEADERS} wl_platform.h linux_joystick.h
posix_time.h posix_tls.h xkb_unicode.h)
set(glfw_SOURCES ${common_SOURCES} wl_clipboard.c wl_init.c wl_monitor.c
wl_window.c linux_joystick.c posix_time.c posix_tls.c
xkb_unicode.c)
set(glfw_SOURCES ${common_SOURCES} wl_init.c wl_monitor.c wl_window.c
linux_joystick.c posix_time.c posix_tls.c xkb_unicode.c)
endif()
if (_GLFW_EGL)

50
src/clipboard.c
View File

@ -1,50 +0,0 @@
//========================================================================
// GLFW 3.1 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <math.h>
#include <string.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI void glfwSetClipboardString(GLFWwindow* handle, const char* string)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
_glfwPlatformSetClipboardString(window, string);
}
GLFWAPI const char* glfwGetClipboardString(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return _glfwPlatformGetClipboardString(window);
}

70
src/cocoa_clipboard.m
View File

@ -1,70 +0,0 @@
//========================================================================
// GLFW 3.1 OS X - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <limits.h>
#include <string.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
{
NSArray* types = [NSArray arrayWithObjects:NSStringPboardType, nil];
NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
[pasteboard declareTypes:types owner:nil];
[pasteboard setString:[NSString stringWithUTF8String:string]
forType:NSStringPboardType];
}
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
{
NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
if (![[pasteboard types] containsObject:NSStringPboardType])
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE, NULL);
return NULL;
}
NSString* object = [pasteboard stringForType:NSStringPboardType];
if (!object)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to retrieve object from pasteboard");
return NULL;
}
free(_glfw.ns.clipboardString);
_glfw.ns.clipboardString = strdup([object UTF8String]);
return _glfw.ns.clipboardString;
}

36
src/cocoa_window.m
View File

@ -26,6 +26,8 @@
#include "internal.h"
#include <string.h>
// Needed for _NSGetProgname
#include <crt_externs.h>
@ -1295,6 +1297,40 @@ void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
}
}
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
{
NSArray* types = [NSArray arrayWithObjects:NSStringPboardType, nil];
NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
[pasteboard declareTypes:types owner:nil];
[pasteboard setString:[NSString stringWithUTF8String:string]
forType:NSStringPboardType];
}
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
{
NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
if (![[pasteboard types] containsObject:NSStringPboardType])
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE, NULL);
return NULL;
}
NSString* object = [pasteboard stringForType:NSStringPboardType];
if (!object)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to retrieve object from pasteboard");
return NULL;
}
free(_glfw.ns.clipboardString);
_glfw.ns.clipboardString = strdup([object UTF8String]);
return _glfw.ns.clipboardString;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////

14
src/input.c
View File

@ -497,3 +497,17 @@ GLFWAPI GLFWdropfun glfwSetDropCallback(GLFWwindow* handle, GLFWdropfun cbfun)
return cbfun;
}
GLFWAPI void glfwSetClipboardString(GLFWwindow* handle, const char* string)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
_glfwPlatformSetClipboardString(window, string);
}
GLFWAPI const char* glfwGetClipboardString(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return _glfwPlatformGetClipboardString(window);
}

127
src/win32_clipboard.c
View File

@ -1,127 +0,0 @@
//========================================================================
// GLFW 3.1 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <limits.h>
#include <string.h>
#include <stdlib.h>
#include <malloc.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
{
WCHAR* wideString;
HANDLE stringHandle;
size_t wideSize;
wideString = _glfwCreateWideStringFromUTF8(string);
if (!wideString)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to convert clipboard string to "
"wide string");
return;
}
wideSize = (wcslen(wideString) + 1) * sizeof(WCHAR);
stringHandle = GlobalAlloc(GMEM_MOVEABLE, wideSize);
if (!stringHandle)
{
free(wideString);
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to allocate global handle for clipboard");
return;
}
memcpy(GlobalLock(stringHandle), wideString, wideSize);
GlobalUnlock(stringHandle);
if (!OpenClipboard(window->win32.handle))
{
GlobalFree(stringHandle);
free(wideString);
_glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to open clipboard");
return;
}
EmptyClipboard();
SetClipboardData(CF_UNICODETEXT, stringHandle);
CloseClipboard();
free(wideString);
}
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
{
HANDLE stringHandle;
if (!IsClipboardFormatAvailable(CF_UNICODETEXT))
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE, NULL);
return NULL;
}
if (!OpenClipboard(window->win32.handle))
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to open clipboard");
return NULL;
}
stringHandle = GetClipboardData(CF_UNICODETEXT);
if (!stringHandle)
{
CloseClipboard();
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to retrieve clipboard data");
return NULL;
}
free(_glfw.win32.clipboardString);
_glfw.win32.clipboardString =
_glfwCreateUTF8FromWideString(GlobalLock(stringHandle));
GlobalUnlock(stringHandle);
CloseClipboard();
if (!_glfw.win32.clipboardString)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to convert wide string to UTF-8");
return NULL;
}
return _glfw.win32.clipboardString;
}

90
src/win32_window.c
View File

@ -29,6 +29,7 @@
#include <stdlib.h>
#include <malloc.h>
#include <string.h>
#include <windowsx.h>
#include <shellapi.h>
@ -1372,6 +1373,95 @@ void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
}
}
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
{
WCHAR* wideString;
HANDLE stringHandle;
size_t wideSize;
wideString = _glfwCreateWideStringFromUTF8(string);
if (!wideString)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to convert clipboard string to "
"wide string");
return;
}
wideSize = (wcslen(wideString) + 1) * sizeof(WCHAR);
stringHandle = GlobalAlloc(GMEM_MOVEABLE, wideSize);
if (!stringHandle)
{
free(wideString);
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to allocate global handle for clipboard");
return;
}
memcpy(GlobalLock(stringHandle), wideString, wideSize);
GlobalUnlock(stringHandle);
if (!OpenClipboard(window->win32.handle))
{
GlobalFree(stringHandle);
free(wideString);
_glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to open clipboard");
return;
}
EmptyClipboard();
SetClipboardData(CF_UNICODETEXT, stringHandle);
CloseClipboard();
free(wideString);
}
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
{
HANDLE stringHandle;
if (!IsClipboardFormatAvailable(CF_UNICODETEXT))
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE, NULL);
return NULL;
}
if (!OpenClipboard(window->win32.handle))
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to open clipboard");
return NULL;
}
stringHandle = GetClipboardData(CF_UNICODETEXT);
if (!stringHandle)
{
CloseClipboard();
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to retrieve clipboard data");
return NULL;
}
free(_glfw.win32.clipboardString);
_glfw.win32.clipboardString =
_glfwCreateUTF8FromWideString(GlobalLock(stringHandle));
GlobalUnlock(stringHandle);
CloseClipboard();
if (!_glfw.win32.clipboardString)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to convert wide string to UTF-8");
return NULL;
}
return _glfw.win32.clipboardString;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////

48
src/wl_clipboard.c
View File

@ -1,48 +0,0 @@
//========================================================================
// GLFW 3.1 Wayland - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdio.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
{
// TODO
fprintf(stderr, "_glfwPlatformSetClipboardString not implemented yet\n");
}
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
{
// TODO
fprintf(stderr, "_glfwPlatformGetClipboardString not implemented yet\n");
return NULL;
}

13
src/wl_window.c
View File

@ -312,3 +312,16 @@ void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
fprintf(stderr, "_glfwPlatformSetCursor not implemented yet\n");
}
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
{
// TODO
fprintf(stderr, "_glfwPlatformSetClipboardString not implemented yet\n");
}
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
{
// TODO
fprintf(stderr, "_glfwPlatformGetClipboardString not implemented yet\n");
return NULL;
}

335
src/x11_clipboard.c
View File

@ -1,335 +0,0 @@
//========================================================================
// GLFW 3.1 X11 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdio.h>
#include <limits.h>
#include <string.h>
#include <stdlib.h>
// Returns whether the event is a selection event
//
static Bool isSelectionEvent(Display* display, XEvent* event, XPointer pointer)
{
return event->type == SelectionRequest ||
event->type == SelectionNotify ||
event->type == SelectionClear;
}
// Set the specified property to the selection converted to the requested target
//
static Atom writeTargetToProperty(const XSelectionRequestEvent* request)
{
int i;
const Atom formats[] = { _glfw.x11.UTF8_STRING,
_glfw.x11.COMPOUND_STRING,
XA_STRING };
const int formatCount = sizeof(formats) / sizeof(formats[0]);
if (request->property == None)
{
// The requestor is a legacy client (ICCCM section 2.2)
// We don't support legacy clients, so fail here
return None;
}
if (request->target == _glfw.x11.TARGETS)
{
// The list of supported targets was requested
const Atom targets[] = { _glfw.x11.TARGETS,
_glfw.x11.MULTIPLE,
_glfw.x11.UTF8_STRING,
_glfw.x11.COMPOUND_STRING,
XA_STRING };
XChangeProperty(_glfw.x11.display,
request->requestor,
request->property,
XA_ATOM,
32,
PropModeReplace,
(unsigned char*) targets,
sizeof(targets) / sizeof(targets[0]));
return request->property;
}
if (request->target == _glfw.x11.MULTIPLE)
{
// Multiple conversions were requested
Atom* targets;
unsigned long i, count;
count = _glfwGetWindowProperty(request->requestor,
request->property,
_glfw.x11.ATOM_PAIR,
(unsigned char**) &targets);
for (i = 0; i < count; i += 2)
{
int j;
for (j = 0; j < formatCount; j++)
{
if (targets[i] == formats[j])
break;
}
if (j < formatCount)
{
XChangeProperty(_glfw.x11.display,
request->requestor,
targets[i + 1],
targets[i],
8,
PropModeReplace,
(unsigned char*) _glfw.x11.clipboardString,
strlen(_glfw.x11.clipboardString));
}
else
targets[i + 1] = None;
}
XChangeProperty(_glfw.x11.display,
request->requestor,
request->property,
_glfw.x11.ATOM_PAIR,
32,
PropModeReplace,
(unsigned char*) targets,
count);
XFree(targets);
return request->property;
}
if (request->target == _glfw.x11.SAVE_TARGETS)
{
// The request is a check whether we support SAVE_TARGETS
// It should be handled as a no-op side effect target
XChangeProperty(_glfw.x11.display,
request->requestor,
request->property,
_glfw.x11._NULL,
32,
PropModeReplace,
NULL,
0);
return request->property;
}
// Conversion to a data target was requested
for (i = 0; i < formatCount; i++)
{
if (request->target == formats[i])
{
// The requested target is one we support
XChangeProperty(_glfw.x11.display,
request->requestor,
request->property,
request->target,
8,
PropModeReplace,
(unsigned char*) _glfw.x11.clipboardString,
strlen(_glfw.x11.clipboardString));
return request->property;
}
}
// The requested target is not supported
return None;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
void _glfwHandleSelectionClear(XEvent* event)
{
free(_glfw.x11.clipboardString);
_glfw.x11.clipboardString = NULL;
}
void _glfwHandleSelectionRequest(XEvent* event)
{
const XSelectionRequestEvent* request = &event->xselectionrequest;
XEvent response;
memset(&response, 0, sizeof(response));
response.xselection.property = writeTargetToProperty(request);
response.xselection.type = SelectionNotify;
response.xselection.display = request->display;
response.xselection.requestor = request->requestor;
response.xselection.selection = request->selection;
response.xselection.target = request->target;
response.xselection.time = request->time;
XSendEvent(_glfw.x11.display, request->requestor, False, 0, &response);
}
void _glfwPushSelectionToManager(_GLFWwindow* window)
{
XConvertSelection(_glfw.x11.display,
_glfw.x11.CLIPBOARD_MANAGER,
_glfw.x11.SAVE_TARGETS,
None,
window->x11.handle,
CurrentTime);
for (;;)
{
XEvent event;
if (!XCheckIfEvent(_glfw.x11.display, &event, isSelectionEvent, NULL))
continue;
switch (event.type)
{
case SelectionRequest:
_glfwHandleSelectionRequest(&event);
break;
case SelectionClear:
_glfwHandleSelectionClear(&event);
break;
case SelectionNotify:
{
if (event.xselection.target == _glfw.x11.SAVE_TARGETS)
{
// This means one of two things; either the selection was
// not owned, which means there is no clipboard manager, or
// the transfer to the clipboard manager has completed
// In either case, it means we are done here
return;
}
break;
}
}
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
{
free(_glfw.x11.clipboardString);
_glfw.x11.clipboardString = strdup(string);
XSetSelectionOwner(_glfw.x11.display,
_glfw.x11.CLIPBOARD,
window->x11.handle, CurrentTime);
if (XGetSelectionOwner(_glfw.x11.display, _glfw.x11.CLIPBOARD) !=
window->x11.handle)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Failed to become owner of the clipboard selection");
}
}
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
{
size_t i;
const Atom formats[] = { _glfw.x11.UTF8_STRING,
_glfw.x11.COMPOUND_STRING,
XA_STRING };
const size_t formatCount = sizeof(formats) / sizeof(formats[0]);
if (_glfwFindWindowByHandle(XGetSelectionOwner(_glfw.x11.display,
_glfw.x11.CLIPBOARD)))
{
// Instead of doing a large number of X round-trips just to put this
// string into a window property and then read it back, just return it
return _glfw.x11.clipboardString;
}
free(_glfw.x11.clipboardString);
_glfw.x11.clipboardString = NULL;
for (i = 0; i < formatCount; i++)
{
char* data;
XEvent event;
XConvertSelection(_glfw.x11.display,
_glfw.x11.CLIPBOARD,
formats[i],
_glfw.x11.GLFW_SELECTION,
window->x11.handle, CurrentTime);
// XCheckTypedEvent is used instead of XIfEvent in order not to lock
// other threads out from the display during the entire wait period
while (!XCheckTypedEvent(_glfw.x11.display, SelectionNotify, &event))
;
if (event.xselection.property == None)
continue;
if (_glfwGetWindowProperty(event.xselection.requestor,
event.xselection.property,
event.xselection.target,
(unsigned char**) &data))
{
_glfw.x11.clipboardString = strdup(data);
}
XFree(data);
XDeleteProperty(_glfw.x11.display,
event.xselection.requestor,
event.xselection.property);
if (_glfw.x11.clipboardString)
break;
}
if (_glfw.x11.clipboardString == NULL)
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE,
"X11: Failed to convert selection to string");
}
return _glfw.x11.clipboardString;
}

5
src/x11_platform.h
View File

@ -228,13 +228,8 @@ typedef struct _GLFWcursorX11
GLboolean _glfwSetVideoMode(_GLFWmonitor* monitor, const GLFWvidmode* desired);
void _glfwRestoreVideoMode(_GLFWmonitor* monitor);
void _glfwHandleSelectionClear(XEvent* event);
void _glfwHandleSelectionRequest(XEvent* event);
void _glfwPushSelectionToManager(_GLFWwindow* window);
Cursor _glfwCreateCursor(const GLFWimage* image, int xhot, int yhot);
_GLFWwindow* _glfwFindWindowByHandle(Window handle);
unsigned long _glfwGetWindowProperty(Window window,
Atom property,
Atom type,

335
src/x11_window.c
View File

@ -108,6 +108,23 @@ static int translateChar(XKeyEvent* event)
return (int) _glfwKeySym2Unicode(keysym);
}
// Return the GLFW window corresponding to the specified X11 window
//
static _GLFWwindow* findWindowByHandle(Window handle)
{
_GLFWwindow* window;
if (XFindContext(_glfw.x11.display,
handle,
_glfw.x11.context,
(XPointer*) &window) != 0)
{
return NULL;
}
return window;
}
// Adds or removes an EWMH state to a window
//
static void changeWindowState(_GLFWwindow* window, Atom state, int action)
@ -459,6 +476,215 @@ static void restoreCursor(_GLFWwindow* window)
XUndefineCursor(_glfw.x11.display, window->x11.handle);
}
// Returns whether the event is a selection event
//
static Bool isSelectionEvent(Display* display, XEvent* event, XPointer pointer)
{
return event->type == SelectionRequest ||
event->type == SelectionNotify ||
event->type == SelectionClear;
}
// Set the specified property to the selection converted to the requested target
//
static Atom writeTargetToProperty(const XSelectionRequestEvent* request)
{
int i;
const Atom formats[] = { _glfw.x11.UTF8_STRING,
_glfw.x11.COMPOUND_STRING,
XA_STRING };
const int formatCount = sizeof(formats) / sizeof(formats[0]);
if (request->property == None)
{
// The requestor is a legacy client (ICCCM section 2.2)
// We don't support legacy clients, so fail here
return None;
}
if (request->target == _glfw.x11.TARGETS)
{
// The list of supported targets was requested
const Atom targets[] = { _glfw.x11.TARGETS,
_glfw.x11.MULTIPLE,
_glfw.x11.UTF8_STRING,
_glfw.x11.COMPOUND_STRING,
XA_STRING };
XChangeProperty(_glfw.x11.display,
request->requestor,
request->property,
XA_ATOM,
32,
PropModeReplace,
(unsigned char*) targets,
sizeof(targets) / sizeof(targets[0]));
return request->property;
}
if (request->target == _glfw.x11.MULTIPLE)
{
// Multiple conversions were requested
Atom* targets;
unsigned long i, count;
count = _glfwGetWindowProperty(request->requestor,
request->property,
_glfw.x11.ATOM_PAIR,
(unsigned char**) &targets);
for (i = 0; i < count; i += 2)
{
int j;
for (j = 0; j < formatCount; j++)
{
if (targets[i] == formats[j])
break;
}
if (j < formatCount)
{
XChangeProperty(_glfw.x11.display,
request->requestor,
targets[i + 1],
targets[i],
8,
PropModeReplace,
(unsigned char*) _glfw.x11.clipboardString,
strlen(_glfw.x11.clipboardString));
}
else
targets[i + 1] = None;
}
XChangeProperty(_glfw.x11.display,
request->requestor,
request->property,
_glfw.x11.ATOM_PAIR,
32,
PropModeReplace,
(unsigned char*) targets,
count);
XFree(targets);
return request->property;
}
if (request->target == _glfw.x11.SAVE_TARGETS)
{
// The request is a check whether we support SAVE_TARGETS
// It should be handled as a no-op side effect target
XChangeProperty(_glfw.x11.display,
request->requestor,
request->property,
_glfw.x11._NULL,
32,
PropModeReplace,
NULL,
0);
return request->property;
}
// Conversion to a data target was requested
for (i = 0; i < formatCount; i++)
{
if (request->target == formats[i])
{
// The requested target is one we support
XChangeProperty(_glfw.x11.display,
request->requestor,
request->property,
request->target,
8,
PropModeReplace,
(unsigned char*) _glfw.x11.clipboardString,
strlen(_glfw.x11.clipboardString));
return request->property;
}
}
// The requested target is not supported
return None;
}
static void handleSelectionClear(XEvent* event)
{
free(_glfw.x11.clipboardString);
_glfw.x11.clipboardString = NULL;
}
static void handleSelectionRequest(XEvent* event)
{
const XSelectionRequestEvent* request = &event->xselectionrequest;
XEvent response;
memset(&response, 0, sizeof(response));
response.xselection.property = writeTargetToProperty(request);
response.xselection.type = SelectionNotify;
response.xselection.display = request->display;
response.xselection.requestor = request->requestor;
response.xselection.selection = request->selection;
response.xselection.target = request->target;
response.xselection.time = request->time;
XSendEvent(_glfw.x11.display, request->requestor, False, 0, &response);
}
static void pushSelectionToManager(_GLFWwindow* window)
{
XConvertSelection(_glfw.x11.display,
_glfw.x11.CLIPBOARD_MANAGER,
_glfw.x11.SAVE_TARGETS,
None,
window->x11.handle,
CurrentTime);
for (;;)
{
XEvent event;
if (!XCheckIfEvent(_glfw.x11.display, &event, isSelectionEvent, NULL))
continue;
switch (event.type)
{
case SelectionRequest:
handleSelectionRequest(&event);
break;
case SelectionClear:
handleSelectionClear(&event);
break;
case SelectionNotify:
{
if (event.xselection.target == _glfw.x11.SAVE_TARGETS)
{
// This means one of two things; either the selection was
// not owned, which means there is no clipboard manager, or
// the transfer to the clipboard manager has completed
// In either case, it means we are done here
return;
}
break;
}
}
}
}
// Enter fullscreen mode
//
static void enterFullscreenMode(_GLFWwindow* window)
@ -590,7 +816,7 @@ static void processEvent(XEvent *event)
if (event->type != GenericEvent)
{
window = _glfwFindWindowByHandle(event->xany.window);
window = findWindowByHandle(event->xany.window);
if (window == NULL)
{
// This is an event for a window that has already been destroyed
@ -1000,13 +1226,13 @@ static void processEvent(XEvent *event)
case SelectionClear:
{
_glfwHandleSelectionClear(event);
handleSelectionClear(event);
break;
}
case SelectionRequest:
{
_glfwHandleSelectionRequest(event);
handleSelectionRequest(event);
break;
}
@ -1022,7 +1248,7 @@ static void processEvent(XEvent *event)
{
XIDeviceEvent* data = (XIDeviceEvent*) event->xcookie.data;
window = _glfwFindWindowByHandle(data->event);
window = findWindowByHandle(data->event);
if (window)
{
if (data->event_x != window->x11.warpPosX ||
@ -1080,23 +1306,6 @@ static void processEvent(XEvent *event)
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Return the GLFW window corresponding to the specified X11 window
//
_GLFWwindow* _glfwFindWindowByHandle(Window handle)
{
_GLFWwindow* window;
if (XFindContext(_glfw.x11.display,
handle,
_glfw.x11.context,
(XPointer*) &window) != 0)
{
return NULL;
}
return window;
}
// Retrieve a single window property of the specified type
// Inspired by fghGetWindowProperty from freeglut
//
@ -1165,7 +1374,7 @@ void _glfwPlatformDestroyWindow(_GLFWwindow* window)
if (window->x11.handle ==
XGetSelectionOwner(_glfw.x11.display, _glfw.x11.CLIPBOARD))
{
_glfwPushSelectionToManager(window);
pushSelectionToManager(window);
}
XDeleteContext(_glfw.x11.display, window->x11.handle, _glfw.x11.context);
@ -1484,6 +1693,88 @@ void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
}
}
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
{
free(_glfw.x11.clipboardString);
_glfw.x11.clipboardString = strdup(string);
XSetSelectionOwner(_glfw.x11.display,
_glfw.x11.CLIPBOARD,
window->x11.handle, CurrentTime);
if (XGetSelectionOwner(_glfw.x11.display, _glfw.x11.CLIPBOARD) !=
window->x11.handle)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Failed to become owner of the clipboard selection");
}
}
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
{
size_t i;
const Atom formats[] = { _glfw.x11.UTF8_STRING,
_glfw.x11.COMPOUND_STRING,
XA_STRING };
const size_t formatCount = sizeof(formats) / sizeof(formats[0]);
if (findWindowByHandle(XGetSelectionOwner(_glfw.x11.display,
_glfw.x11.CLIPBOARD)))
{
// Instead of doing a large number of X round-trips just to put this
// string into a window property and then read it back, just return it
return _glfw.x11.clipboardString;
}
free(_glfw.x11.clipboardString);
_glfw.x11.clipboardString = NULL;
for (i = 0; i < formatCount; i++)
{
char* data;
XEvent event;
XConvertSelection(_glfw.x11.display,
_glfw.x11.CLIPBOARD,
formats[i],
_glfw.x11.GLFW_SELECTION,
window->x11.handle, CurrentTime);
// XCheckTypedEvent is used instead of XIfEvent in order not to lock
// other threads out from the display during the entire wait period
while (!XCheckTypedEvent(_glfw.x11.display, SelectionNotify, &event))
;
if (event.xselection.property == None)
continue;
if (_glfwGetWindowProperty(event.xselection.requestor,
event.xselection.property,
event.xselection.target,
(unsigned char**) &data))
{
_glfw.x11.clipboardString = strdup(data);
}
XFree(data);
XDeleteProperty(_glfw.x11.display,
event.xselection.requestor,
event.xselection.property);
if (_glfw.x11.clipboardString)
break;
}
if (_glfw.x11.clipboardString == NULL)
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE,
"X11: Failed to convert selection to string");
}
return _glfw.x11.clipboardString;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////