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[platform][glfw][rgfw] Implementing clipboard image linux (#5603)

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* Testing linux implementation

* Add implementation for ClipboardImage on Linux

* Adding another check to make sure that only X11 include X11 libs

* Adding some comments to explain the magic numbers
This commit is contained in:
Maicon Santana
2026-03-02 11:19:42 +00:00
committed by GitHub
parent 950c064448
commit 70a58a6ec6
2 changed files with 99 additions and 0 deletions
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50
src/platforms/rcore_desktop_glfw.c
View File

@@ -1043,6 +1043,11 @@ const char *GetClipboardText(void)
return glfwGetClipboardString(platform.handle);
}
#if SUPPORT_CLIPBOARD_IMAGE && defined(__linux__) && defined(_GLFW_X11)
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#endif
// Get clipboard image
Image GetClipboardImage(void)
{
@@ -1059,6 +1064,51 @@ Image GetClipboardImage(void)
if (bmpData == NULL) TRACELOG(LOG_WARNING, "Clipboard image: Couldn't get clipboard data.");
else image = LoadImageFromMemory(".bmp", (const unsigned char *)bmpData, (int)dataSize);
#elif defined(__linux__) && defined(_GLFW_X11)
// Implementation based on https://github.com/ColleagueRiley/Clipboard-Copy-Paste/blob/main/x11.c
Display* dpy = XOpenDisplay(NULL);
if (!dpy) return image;
Window root = DefaultRootWindow(dpy);
Window win = XCreateSimpleWindow(
dpy, // The connection to the X Server
root, // The 'Parent' window (usually the desktop/root)
0, 0, // X and Y position on the screen
1, 1, // Width and Height (1x1 pixel)
0, // Border width
0, // Border color
0 // Background color
);
Atom clipboard = XInternAtom(dpy, "CLIPBOARD", False);
Atom targetType = XInternAtom(dpy, "image/png", False); // Ask for PNG
Atom property = XInternAtom(dpy, "RAYLIB_CLIPBOARD_MANAGER", False);
// Request the data: "Convert whatever is in CLIPBOARD to image/png and put it in RAYLIB_CLIPBOARD_MANAGER"
XConvertSelection(dpy, clipboard, targetType, property, win, CurrentTime);
// Wait for the SelectionNotify event
XEvent ev;
XNextEvent(dpy, &ev);
Atom actualType;
int actualFormat;
unsigned long nitems, bytesAfter;
unsigned char* data = NULL;
// Read the data from our ghost window's property
XGetWindowProperty(dpy, win, property, 0, ~0L, False, AnyPropertyType,
&actualType, &actualFormat, &nitems, &bytesAfter, &data);
if (data != NULL) {
image = LoadImageFromMemory(".png", data, (int)nitems);
XFree(data);
}
XDestroyWindow(dpy, win);
XCloseDisplay(dpy);
#else
TRACELOG(LOG_WARNING, "GetClipboardImage() not implemented on target platform");
#endif // defined(_WIN32)

49
src/platforms/rcore_desktop_rgfw.c
View File

@@ -999,6 +999,9 @@ const char *GetClipboardText(void)
#define WINBASE_ALREADY_INCLUDED
#define WINGDI_ALREADY_INCLUDED
#include "../external/win32_clipboard.h"
#elif defined(__linux__) && defined(DRGFW_X11)
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#endif
#endif
@@ -1006,6 +1009,7 @@ const char *GetClipboardText(void)
Image GetClipboardImage(void)
{
Image image = { 0 };
#if SUPPORT_CLIPBOARD_IMAGE && SUPPORT_MODULE_RTEXTURES
#if defined(_WIN32)
@@ -1018,6 +1022,51 @@ Image GetClipboardImage(void)
if (fileData == NULL) TRACELOG(LOG_WARNING, "Clipboard image: Couldn't get clipboard data");
else image = LoadImageFromMemory(".bmp", (const unsigned char *)fileData, dataSize);
#elif defined(__linux__) && defined(DRGFW_X11)
// Implementation based on https://github.com/ColleagueRiley/Clipboard-Copy-Paste/blob/main/x11.c
Display* dpy = XOpenDisplay(NULL);
if (!dpy) return image;
Window root = DefaultRootWindow(dpy);
Window win = XCreateSimpleWindow(
dpy, // The connection to the X Server
root, // The 'Parent' window (usually the desktop/root)
0, 0, // X and Y position on the screen
1, 1, // Width and Height (1x1 pixel)
0, // Border width
0, // Border color
0 // Background color
);
Atom clipboard = XInternAtom(dpy, "CLIPBOARD", False);
Atom targetType = XInternAtom(dpy, "image/png", False); // Ask for PNG
Atom property = XInternAtom(dpy, "RAYLIB_CLIPBOARD_MANAGER", False);
// Request the data: "Convert whatever is in CLIPBOARD to image/png and put it in RAYLIB_CLIPBOARD_MANAGER"
XConvertSelection(dpy, clipboard, targetType, property, win, CurrentTime);
// Wait for the SelectionNotify event
XEvent ev;
XNextEvent(dpy, &ev);
Atom actualType;
int actualFormat;
unsigned long nitems, bytesAfter;
unsigned char* data = NULL;
// Read the data from our ghost window's property
XGetWindowProperty(dpy, win, property, 0, ~0L, False, AnyPropertyType,
&actualType, &actualFormat, &nitems, &bytesAfter, &data);
if (data != NULL) {
image = LoadImageFromMemory(".png", data, (int)nitems);
XFree(data);
}
XDestroyWindow(dpy, win);
XCloseDisplay(dpy);
#else
TRACELOG(LOG_WARNING, "Clipboard image: PLATFORM_DESKTOP_RGFW doesn't implement GetClipboardImage() for this OS");
#endif // defined(_WIN32)