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From 4db610f292aca3ae4ed0bb59ed1972202a1c6b27 Mon Sep 17 00:00:00 2001
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From: Vic Lee <llyzs@163.com>
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Date: Wed, 11 Apr 2012 12:37:47 +0800
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Subject: [PATCH 1/2] x11: release all pressed keys when window is unmapped.
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https://github.com/FreeRDP/FreeRDP/pull/547
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Backported by Ondrej Holy <oholy@redhat.com>.
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---
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client/X11/xf_event.c | 2 ++
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client/X11/xf_keyboard.c | 22 ++++++++++++++++++++++
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client/X11/xf_keyboard.h | 1 +
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3 files changed, 25 insertions(+)
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diff --git a/client/X11/xf_event.c b/client/X11/xf_event.c
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index b5c381f..cbcfc65 100644
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--- a/client/X11/xf_event.c
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+++ b/client/X11/xf_event.c
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@@ -507,6 +507,8 @@ boolean xf_event_UnmapNotify(xfInfo* xfi, XEvent* event, boolean app)
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rdpWindow* window;
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rdpRail* rail = ((rdpContext*) xfi->context)->rail;
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+ xf_kbd_release_all_keypress(xfi);
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+
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if (app != true)
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return true;
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diff --git a/client/X11/xf_keyboard.c b/client/X11/xf_keyboard.c
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index cb82fa4..e94b362 100644
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--- a/client/X11/xf_keyboard.c
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+++ b/client/X11/xf_keyboard.c
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@@ -50,6 +50,28 @@ void xf_kbd_unset_keypress(xfInfo* xfi, uint8 keycode)
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return;
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}
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+void xf_kbd_release_all_keypress(xfInfo* xfi)
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+{
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+ int keycode;
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+ uint16 flags;
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+ uint8 rdp_scancode;
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+ boolean extended;
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+
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+ for (keycode = 0; keycode < sizeof(xfi->pressed_keys) / sizeof(xfi->pressed_keys[0]); keycode++)
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+ {
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+ if (xfi->pressed_keys[keycode] != NoSymbol)
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+ {
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+ rdp_scancode = freerdp_kbd_get_scancode_by_keycode(keycode, &extended);
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+
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+ flags = KBD_FLAGS_RELEASE;
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+ flags |= (extended) ? KBD_FLAGS_EXTENDED : 0;
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+ xfi->instance->input->KeyboardEvent(xfi->instance->input, flags, rdp_scancode);
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+
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+ xfi->pressed_keys[keycode] = NoSymbol;
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+ }
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+ }
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+}
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+
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boolean xf_kbd_key_pressed(xfInfo* xfi, KeySym keysym)
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{
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KeyCode keycode = XKeysymToKeycode(xfi->display, keysym);
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diff --git a/client/X11/xf_keyboard.h b/client/X11/xf_keyboard.h
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index 92e08fc..e316f07 100644
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--- a/client/X11/xf_keyboard.h
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+++ b/client/X11/xf_keyboard.h
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@@ -28,6 +28,7 @@
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void xf_kbd_init(xfInfo* xfi);
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void xf_kbd_set_keypress(xfInfo* xfi, uint8 keycode, KeySym keysym);
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void xf_kbd_unset_keypress(xfInfo* xfi, uint8 keycode);
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+void xf_kbd_release_all_keypress(xfInfo* xfi);
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boolean xf_kbd_key_pressed(xfInfo* xfi, KeySym keysym);
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void xf_kbd_send_key(xfInfo* xfi, boolean down, uint8 keycode);
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int xf_kbd_read_keyboard_state(xfInfo* xfi);
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--
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2.9.3
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