sdl2: move keyboard input code to new sdl2-input.c

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>

1 files changed, 106 insertions, 0 deletions

diff --git a/ui/sdl2-input.c b/ui/sdl2-input.c
new file mode 100644
index 0000000000..a1973fc2e0
--- /dev/null
+++ b/ui/sdl2-input.c
@@ -0,0 +1,106 @@
+/*
+ * QEMU SDL display driver
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+/* Ported SDL 1.2 code to 2.0 by Dave Airlie. */
+
+/* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
+#undef WIN32_LEAN_AND_MEAN
+
+#include <SDL.h>
+#include <SDL_syswm.h>
+
+#include "qemu-common.h"
+#include "ui/console.h"
+#include "ui/input.h"
+#include "ui/sdl2.h"
+#include "sysemu/sysemu.h"
+
+#include "sdl2-keymap.h"
+
+static uint8_t modifiers_state[SDL_NUM_SCANCODES];
+
+void sdl2_reset_keys(struct sdl2_console *scon)
+{
+    QemuConsole *con = scon ? scon->dcl.con : NULL;
+    int i;
+
+    for (i = 0; i < SDL_NUM_SCANCODES; i++) {
+        if (modifiers_state[i]) {
+            int qcode = sdl2_scancode_to_qcode[i];
+            qemu_input_event_send_key_qcode(con, qcode, false);
+            modifiers_state[i] = 0;
+        }
+    }
+}
+
+void sdl2_process_key(struct sdl2_console *scon,
+                      SDL_KeyboardEvent *ev)
+{
+    int qcode = sdl2_scancode_to_qcode[ev->keysym.scancode];
+    QemuConsole *con = scon ? scon->dcl.con : NULL;
+
+    if (!qemu_console_is_graphic(con)) {
+        if (ev->type == SDL_KEYDOWN) {
+            switch (ev->keysym.scancode) {
+            case SDL_SCANCODE_RETURN:
+                kbd_put_keysym_console(con, '\n');
+                break;
+            case SDL_SCANCODE_BACKSPACE:
+                kbd_put_keysym_console(con, QEMU_KEY_BACKSPACE);
+                break;
+            default:
+                kbd_put_qcode_console(con, qcode);
+                break;
+            }
+        }
+        return;
+    }
+
+    switch (ev->keysym.scancode) {
+#if 0
+    case SDL_SCANCODE_NUMLOCKCLEAR:
+    case SDL_SCANCODE_CAPSLOCK:
+        /* SDL does not send the key up event, so we generate it */
+        qemu_input_event_send_key_qcode(con, qcode, true);
+        qemu_input_event_send_key_qcode(con, qcode, false);
+        return;
+#endif
+    case SDL_SCANCODE_LCTRL:
+    case SDL_SCANCODE_LSHIFT:
+    case SDL_SCANCODE_LALT:
+    case SDL_SCANCODE_LGUI:
+    case SDL_SCANCODE_RCTRL:
+    case SDL_SCANCODE_RSHIFT:
+    case SDL_SCANCODE_RALT:
+    case SDL_SCANCODE_RGUI:
+        if (ev->type == SDL_KEYUP) {
+            modifiers_state[ev->keysym.scancode] = 0;
+        } else {
+            modifiers_state[ev->keysym.scancode] = 1;
+        }
+        /* fall though */
+    default:
+        qemu_input_event_send_key_qcode(con, qcode,
+                                        ev->type == SDL_KEYDOWN);
+    }
+}