[gimp] plug-ins: remove KDE screenshot portal in favor of Freedesktop portal.

[Jehan <jehanp src gnome org>]

commit ef9c4837711ef04c29bbc973ecdc1de177454b67
Author: Jehan <jehan girinstud io>
Date:   Fri Dec 17 19:37:35 2021 +0100

    plug-ins: remove KDE screenshot portal in favor of Freedesktop portal.
    
    On recent KDE, the screenshot plug-in fails with an authorization error,
    unless we add a desktop file with a special KDE-only desktop entry to
    give the permission, which seems a bit over-the-top (if we were to add a
    desktop file for every plug-in, and with dedicated entries to every
    desktop environment out there, it's never-ending). Of course, we are not
    against either, but nobody has contributed a patch doing this in the
    last year anyway.
    
    Also Méven (KDE dev) was telling us that KDE recommends to use the
    Freedesktop portal nowadays. So maybe let's just move on from the
    KDE-specific portal, just as we did recently for the GNOME portal too.
    This should hopefully take care of all permission issues and in the same
    time simplifies the code.
    
    Note that the Freedesktop API might miss some of the features (this was
    one of the reason we were avoiding putting it as priority implementation
    until now, to avoid feature regression), but the more we go, the less we
    have a choice. It's either this or always fighting against the current.

 plug-ins/screenshot/Makefile.am       |   2 -
 plug-ins/screenshot/meson.build       |   1 -
 plug-ins/screenshot/screenshot-kwin.c | 206 ----------------------------------
 plug-ins/screenshot/screenshot-kwin.h |  32 ------
 plug-ins/screenshot/screenshot.c      |  11 +-
 plug-ins/screenshot/screenshot.h      |   2 -
 6 files changed, 1 insertion(+), 253 deletions(-)
---
diff --git a/plug-ins/screenshot/Makefile.am b/plug-ins/screenshot/Makefile.am
index 3db7e5bc1b..be35c0ca50 100644
--- a/plug-ins/screenshot/Makefile.am
+++ b/plug-ins/screenshot/Makefile.am
@@ -49,8 +49,6 @@ screenshot_SOURCES = \
        screenshot-freedesktop.c                \
        screenshot-freedesktop.h                \
        screenshot-icon.h                       \
-       screenshot-kwin.c                       \
-       screenshot-kwin.h                       \
        screenshot-osx.c                        \
        screenshot-osx.h                        \
        screenshot-x11.c                        \
diff --git a/plug-ins/screenshot/meson.build b/plug-ins/screenshot/meson.build
index 467fe23401..5e48aecda6 100644
--- a/plug-ins/screenshot/meson.build
+++ b/plug-ins/screenshot/meson.build
@@ -2,7 +2,6 @@ plugin_name = 'screenshot'
 
 plugin_sources = [
   'screenshot-freedesktop.c',
-  'screenshot-kwin.c',
   'screenshot-osx.c',
   'screenshot-win32.c',
   'screenshot-x11.c',
diff --git a/plug-ins/screenshot/screenshot.c b/plug-ins/screenshot/screenshot.c
index 2c5241a863..2e40af977c 100644
--- a/plug-ins/screenshot/screenshot.c
+++ b/plug-ins/screenshot/screenshot.c
@@ -29,7 +29,6 @@
 #include "screenshot.h"
 #include "screenshot-freedesktop.h"
 #include "screenshot-icon.h"
-#include "screenshot-kwin.h"
 #include "screenshot-osx.h"
 #include "screenshot-x11.h"
 #include "screenshot-win32.h"
@@ -255,12 +254,6 @@ screenshot_run (GimpProcedure        *procedure,
     }
 #endif
 
-  if (! backend && screenshot_kwin_available ())
-    {
-      backend      = SCREENSHOT_BACKEND_KWIN;
-      capabilities = screenshot_kwin_get_capabilities ();
-    }
-
 #ifdef GDK_WINDOWING_X11
   if (! backend && screenshot_x11_available ())
     {
@@ -268,7 +261,7 @@ screenshot_run (GimpProcedure        *procedure,
       capabilities = screenshot_x11_get_capabilities ();
     }
 #endif
-  else if (! backend && screenshot_freedesktop_available ())
+  if (! backend && screenshot_freedesktop_available ())
     {
       backend      = SCREENSHOT_BACKEND_FREEDESKTOP;
       capabilities = screenshot_freedesktop_get_capabilities ();
@@ -426,8 +419,6 @@ shoot (GdkMonitor  *monitor,
 
   if (backend == SCREENSHOT_BACKEND_FREEDESKTOP)
     return screenshot_freedesktop_shoot (&shootvals, monitor, image, error);
-  else if (backend == SCREENSHOT_BACKEND_KWIN)
-    return screenshot_kwin_shoot (&shootvals, monitor, image, error);
 
 #ifdef GDK_WINDOWING_X11
   if (backend == SCREENSHOT_BACKEND_X11)
diff --git a/plug-ins/screenshot/screenshot.h b/plug-ins/screenshot/screenshot.h
index ab5b896733..274ed80257 100644
--- a/plug-ins/screenshot/screenshot.h
+++ b/plug-ins/screenshot/screenshot.h
@@ -25,8 +25,6 @@ typedef enum
   SCREENSHOT_BACKEND_OSX,
   SCREENSHOT_BACKEND_WIN32,
   SCREENSHOT_BACKEND_FREEDESKTOP,
-  SCREENSHOT_BACKEND_GNOME_SHELL,
-  SCREENSHOT_BACKEND_KWIN,
   SCREENSHOT_BACKEND_X11
 } ScreenshotBackend;