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Move keyboard event X11 code to separate file

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This commit is contained in:
twinaphex 2014-10-27 06:05:52 +01:00
parent 052d752a4d
commit e3d3316502
4 changed files with 126 additions and 97 deletions
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2
Makefile.common
View File

@ -333,7 +333,7 @@ ifeq ($(HAVE_WINXINPUT), 1)
endif
ifeq ($(HAVE_X11), 1)
OBJ += input/x11_input.o gfx/context/x11_common.o
OBJ += input/x11_input.o gfx/context/x11_common.o input/keyboard_event_x11.o
LIBS += $(X11_LIBS) $(XEXT_LIBS) $(XF86VM_LIBS) $(XINERAMA_LIBS)
DEFINES += $(X11_CFLAGS) $(XEXT_CFLAGS) $(XF86VM_CFLAGS) $(XINERAMA_CFLAGS)
endif

102
gfx/context/x11_common.c
View File

@ -21,11 +21,7 @@
#include <math.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "../image/image.h"
#include "../../general.h"
#include "../../input/input_common.h"
#include "../../input/input_keymaps.h"
#include "../../input/keyboard_line.h"
static void x11_hide_mouse(Display *dpy, Window win)
{
@ -135,7 +131,8 @@ void x11_suspend_screensaver(Window wnd)
RARCH_WARN("Could not suspend screen saver.\n");
}
static bool get_video_mode(Display *dpy, unsigned width, unsigned height, XF86VidModeModeInfo *mode, XF86VidModeModeInfo *desktop_mode)
static bool get_video_mode(Display *dpy, unsigned width, unsigned height,
XF86VidModeModeInfo *mode, XF86VidModeModeInfo *desktop_mode)
{
int i;
int num_modes = 0;
@ -153,7 +150,8 @@ static bool get_video_mode(Display *dpy, unsigned width, unsigned height, XF86Vi
bool ret = false;
float minimum_fps_diff = 0.0f;
// If we use black frame insertion, we fake a 60 Hz monitor for 120 Hz one, etc, so try to match that.
/* If we use black frame insertion, we fake a 60 Hz monitor
* for 120 Hz one, etc, so try to match that. */
float refresh_mod = g_settings.video.black_frame_insertion ? 0.5f : 1.0f;
for (i = 0; i < num_modes; i++)
@ -177,7 +175,8 @@ static bool get_video_mode(Display *dpy, unsigned width, unsigned height, XF86Vi
return ret;
}
bool x11_enter_fullscreen(Display *dpy, unsigned width, unsigned height, XF86VidModeModeInfo *desktop_mode)
bool x11_enter_fullscreen(Display *dpy, unsigned width,
unsigned height, XF86VidModeModeInfo *desktop_mode)
{
XF86VidModeModeInfo mode;
if (get_video_mode(dpy, width, height, &mode, desktop_mode))
@ -314,92 +313,3 @@ void x11_destroy_input_context(XIM *xim, XIC *xic)
*xim = NULL;
}
}
static inline unsigned leading_ones(uint8_t c)
{
unsigned ones = 0;
while (c & 0x80)
{
ones++;
c <<= 1;
}
return ones;
}
// Simple implementation. Assumes the sequence is properly synchronized and terminated.
static size_t conv_utf8_utf32(uint32_t *out, size_t out_chars, const char *in, size_t in_size)
{
unsigned i;
size_t ret = 0;
while (in_size && out_chars)
{
uint8_t first = *in++;
unsigned ones = leading_ones(first);
if (ones > 6 || ones == 1) // Invalid or desync
break;
unsigned extra = ones ? ones - 1 : ones;
if (1 + extra > in_size) // Overflow
break;
unsigned shift = (extra - 1) * 6;
uint32_t c = (first & ((1 << (7 - ones)) - 1)) << (6 * extra);
for (i = 0; i < extra; i++, in++, shift -= 6)
c |= (*in & 0x3f) << shift;
*out++ = c;
in_size -= 1 + extra;
out_chars--;
ret++;
}
return ret;
}
void x11_handle_key_event(XEvent *event, XIC ic, bool filter)
{
int i;
char keybuf[32] = {0};
uint32_t chars[32] = {0};
bool down = event->type == KeyPress;
unsigned key = input_translate_keysym_to_rk(XLookupKeysym(&event->xkey, 0));
int num = 0;
if (down && !filter)
{
KeySym keysym = 0;
#ifdef X_HAVE_UTF8_STRING
Status status = 0;
// XwcLookupString doesn't seem to work.
num = Xutf8LookupString(ic, &event->xkey, keybuf, ARRAY_SIZE(keybuf), &keysym, &status);
// libc functions need UTF-8 locale to work properly, which makes mbrtowc a bit impractical.
// Use custom utf8 -> UTF-32 conversion.
num = conv_utf8_utf32(chars, ARRAY_SIZE(chars), keybuf, num);
#else
(void)ic;
num = XLookupString(&event->xkey, keybuf, sizeof(keybuf), &keysym, NULL); // ASCII only.
for (i = 0; i < num; i++)
chars[i] = keybuf[i] & 0x7f;
#endif
}
unsigned state = event->xkey.state;
uint16_t mod = 0;
mod |= (state & ShiftMask) ? RETROKMOD_SHIFT : 0;
mod |= (state & LockMask) ? RETROKMOD_CAPSLOCK : 0;
mod |= (state & ControlMask) ? RETROKMOD_CTRL : 0;
mod |= (state & Mod1Mask) ? RETROKMOD_ALT : 0;
mod |= (state & Mod4Mask) ? RETROKMOD_META : 0;
input_keyboard_event(down, key, chars[0], mod);
for (i = 1; i < num; i++)
input_keyboard_event(down, RETROK_UNKNOWN, chars[i], mod);
}

1
griffin/griffin.c
View File

@ -126,6 +126,7 @@ VIDEO CONTEXT
#ifdef HAVE_X11
#include "../gfx/context/x11_common.c"
#include "../input/keyboard_event_x11.c"
#endif

118
input/keyboard_event_x11.c Normal file
View File

@ -0,0 +1,118 @@
/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/xf86vmode.h>
#ifdef HAVE_XINERAMA
#include <X11/extensions/Xinerama.h>
#endif
#include <boolean.h>
#include "../driver.h"
#include "keyboard_line.h"
#include "input_keymaps.h"
static inline unsigned leading_ones(uint8_t c)
{
unsigned ones = 0;
while (c & 0x80)
{
ones++;
c <<= 1;
}
return ones;
}
/* Simple implementation. Assumes the sequence is
* properly synchronized and terminated. */
static size_t conv_utf8_utf32(uint32_t *out,
size_t out_chars, const char *in, size_t in_size)
{
unsigned i;
size_t ret = 0;
while (in_size && out_chars)
{
uint8_t first = *in++;
unsigned ones = leading_ones(first);
if (ones > 6 || ones == 1) // Invalid or desync
break;
unsigned extra = ones ? ones - 1 : ones;
if (1 + extra > in_size) // Overflow
break;
unsigned shift = (extra - 1) * 6;
uint32_t c = (first & ((1 << (7 - ones)) - 1)) << (6 * extra);
for (i = 0; i < extra; i++, in++, shift -= 6)
c |= (*in & 0x3f) << shift;
*out++ = c;
in_size -= 1 + extra;
out_chars--;
ret++;
}
return ret;
}
void x11_handle_key_event(XEvent *event, XIC ic, bool filter)
{
int i;
char keybuf[32] = {0};
uint32_t chars[32] = {0};
bool down = event->type == KeyPress;
unsigned key = input_translate_keysym_to_rk(XLookupKeysym(&event->xkey, 0));
int num = 0;
if (down && !filter)
{
KeySym keysym = 0;
#ifdef X_HAVE_UTF8_STRING
Status status = 0;
// XwcLookupString doesn't seem to work.
num = Xutf8LookupString(ic, &event->xkey, keybuf, ARRAY_SIZE(keybuf), &keysym, &status);
// libc functions need UTF-8 locale to work properly, which makes mbrtowc a bit impractical.
// Use custom utf8 -> UTF-32 conversion.
num = conv_utf8_utf32(chars, ARRAY_SIZE(chars), keybuf, num);
#else
(void)ic;
num = XLookupString(&event->xkey, keybuf, sizeof(keybuf), &keysym, NULL); // ASCII only.
for (i = 0; i < num; i++)
chars[i] = keybuf[i] & 0x7f;
#endif
}
unsigned state = event->xkey.state;
uint16_t mod = 0;
mod |= (state & ShiftMask) ? RETROKMOD_SHIFT : 0;
mod |= (state & LockMask) ? RETROKMOD_CAPSLOCK : 0;
mod |= (state & ControlMask) ? RETROKMOD_CTRL : 0;
mod |= (state & Mod1Mask) ? RETROKMOD_ALT : 0;
mod |= (state & Mod4Mask) ? RETROKMOD_META : 0;
input_keyboard_event(down, key, chars[0], mod);
for (i = 1; i < num; i++)
input_keyboard_event(down, RETROK_UNKNOWN, chars[i], mod);
}