00bbb73ce5
When updating or recreating the window, if we changed the window size at the same time we also toggle between OpenGL and non OpenGL mode, or toggle fullscreen mode, we may have a pending SDL resize event with the wrong size. So we need to make sure to append another one with the correct size to end up with the correct size. This fixes bug #9971.
1107 lines
35 KiB
C++
1107 lines
35 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "common/scummsys.h"
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#if defined(SDL_BACKEND)
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#include "backends/events/sdl/sdl-events.h"
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#include "backends/platform/sdl/sdl.h"
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#include "backends/graphics/graphics.h"
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#include "common/config-manager.h"
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#include "common/textconsole.h"
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#ifdef JOY_ANALOG
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#include "math.h"
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#endif
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// FIXME move joystick defines out and replace with confile file options
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// we should really allow users to map any key to a joystick button
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#define JOY_DEADZONE 3200
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#ifndef __SYMBIAN32__ // Symbian wants dialog joystick i.e cursor for movement/selection
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#define JOY_ANALOG
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#endif
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// #define JOY_INVERT_Y
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#define JOY_XAXIS 0
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#define JOY_YAXIS 1
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// buttons
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#define JOY_BUT_LMOUSE 0
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#define JOY_BUT_RMOUSE 2
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#define JOY_BUT_ESCAPE 3
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#define JOY_BUT_PERIOD 1
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#define JOY_BUT_SPACE 4
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#define JOY_BUT_F5 5
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#if SDL_VERSION_ATLEAST(2, 0, 0)
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static uint32 convUTF8ToUTF32(const char *src) {
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uint32 utf32 = 0;
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char *dst = SDL_iconv_string(
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#if SDL_BYTEORDER == SDL_BIG_ENDIAN
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"UTF-32BE",
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#else
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"UTF-32LE",
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#endif
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"UTF-8", src, SDL_strlen(src) + 1);
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if (dst) {
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utf32 = *((uint32 *)dst);
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SDL_free(dst);
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}
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return utf32;
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}
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#endif
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SdlEventSource::SdlEventSource()
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: EventSource(), _scrollLock(false), _joystick(0), _lastScreenID(0), _graphicsManager(0)
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#if SDL_VERSION_ATLEAST(2, 0, 0)
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, _queuedFakeKeyUp(false), _fakeKeyUp()
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#endif
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{
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// Reset mouse state
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memset(&_km, 0, sizeof(_km));
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int joystick_num = ConfMan.getInt("joystick_num");
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if (joystick_num >= 0) {
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// Initialize SDL joystick subsystem
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if (SDL_InitSubSystem(SDL_INIT_JOYSTICK) == -1) {
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error("Could not initialize SDL: %s", SDL_GetError());
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}
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// Enable joystick
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if (SDL_NumJoysticks() > joystick_num) {
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_joystick = SDL_JoystickOpen(joystick_num);
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debug("Using joystick: %s",
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#if SDL_VERSION_ATLEAST(2, 0, 0)
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SDL_JoystickName(_joystick)
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#else
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SDL_JoystickName(joystick_num)
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#endif
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);
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} else {
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warning("Invalid joystick: %d", joystick_num);
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}
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}
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}
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SdlEventSource::~SdlEventSource() {
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if (_joystick)
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SDL_JoystickClose(_joystick);
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}
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int SdlEventSource::mapKey(SDLKey sdlKey, SDLMod mod, Uint16 unicode) {
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Common::KeyCode key = SDLToOSystemKeycode(sdlKey);
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// Keep unicode in case it's regular ASCII text or in case we didn't get a valid keycode
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//
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// We need to use unicode in those cases, simply because SDL1.x passes us non-layout-adjusted keycodes.
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// So unicode is the only way to get layout-adjusted keys.
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if (unicode < 0x20) {
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// don't use unicode, in case it's control characters
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unicode = 0;
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} else {
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// Use unicode, in case keycode is invalid.
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// Umlauts and others will set KEYCODE_INVALID on SDL2, so in such a case always keep unicode.
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if (key != Common::KEYCODE_INVALID) {
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// keycode is valid, check further also depending on modifiers
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if (mod & (KMOD_CTRL | KMOD_ALT)) {
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// Ctrl and/or Alt is active
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//
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// We need to restrict unicode to only up to 0x7E, because on macOS the option/alt key will switch to
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// an alternate keyboard, which will cause us to receive Unicode characters for some keys, which are outside
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// of the ASCII range (e.g. alt-x will get us U+2248). We need to return 'x' for alt-x, so using unicode
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// in that case would break alt-shortcuts.
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if (unicode > 0x7E)
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unicode = 0; // do not allow any characters above 0x7E
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} else {
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// We must not restrict as much as when Ctrl/Alt-modifiers are active, otherwise
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// we wouldn't let umlauts through for SDL1. For SDL1 umlauts may set for example KEYCODE_QUOTE, KEYCODE_MINUS, etc.
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if (unicode > 0xFF)
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unicode = 0; // do not allow any characters above 0xFF
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}
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}
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}
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// Attention:
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// When using SDL1.x, we will get scancodes via sdlKey, that are raw scancodes, so NOT adjusted to keyboard layout/
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// mapping. So for example for certain locales, we will get KEYCODE_y, when 'z' is pressed and so on.
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// When using SDL2.x however, we will get scancodes based on the keyboard layout.
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if (key >= Common::KEYCODE_F1 && key <= Common::KEYCODE_F9) {
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return key - Common::KEYCODE_F1 + Common::ASCII_F1;
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} else if (key >= Common::KEYCODE_KP0 && key <= Common::KEYCODE_KP9) {
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if ((mod & KMOD_NUM) == 0)
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return 0; // In case Num-Lock is NOT enabled, return 0 for ascii, so that directional keys on numpad work
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return key - Common::KEYCODE_KP0 + '0';
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} else if (key >= Common::KEYCODE_UP && key <= Common::KEYCODE_PAGEDOWN) {
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return key;
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} else if (unicode) {
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// Return unicode in case it's stil set and wasn't filtered.
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return unicode;
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} else if (key >= 'a' && key <= 'z' && (mod & KMOD_SHIFT)) {
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return key & ~0x20;
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} else if (key >= Common::KEYCODE_NUMLOCK && key <= Common::KEYCODE_EURO) {
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return 0;
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} else {
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return key;
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}
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}
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void SdlEventSource::processMouseEvent(Common::Event &event, int x, int y) {
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event.mouse.x = x;
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event.mouse.y = y;
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if (_graphicsManager) {
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_graphicsManager->notifyMousePos(Common::Point(x, y));
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_graphicsManager->transformMouseCoordinates(event.mouse);
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}
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}
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bool SdlEventSource::handleKbdMouse(Common::Event &event) {
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// returns true if an event is generated
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// Skip recording of these events
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uint32 curTime = g_system->getMillis(true);
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if (curTime >= _km.last_time + _km.delay_time) {
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int16 oldKmX = _km.x;
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int16 oldKmY = _km.y;
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_km.last_time = curTime;
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if (_km.x_down_count == 1) {
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_km.x_down_time = curTime;
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_km.x_down_count = 2;
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}
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if (_km.y_down_count == 1) {
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_km.y_down_time = curTime;
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_km.y_down_count = 2;
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}
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if (_km.x_vel || _km.y_vel) {
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if (_km.x_down_count) {
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if (curTime > _km.x_down_time + 300) {
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if (_km.x_vel > 0)
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_km.x_vel += MULTIPLIER;
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else
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_km.x_vel -= MULTIPLIER;
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} else if (curTime > _km.x_down_time + 200) {
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if (_km.x_vel > 0)
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_km.x_vel = 5 * MULTIPLIER;
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else
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_km.x_vel = -5 * MULTIPLIER;
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}
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}
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if (_km.y_down_count) {
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if (curTime > _km.y_down_time + 300) {
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if (_km.y_vel > 0)
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_km.y_vel += MULTIPLIER;
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else
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_km.y_vel -= MULTIPLIER;
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} else if (curTime > _km.y_down_time + 200) {
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if (_km.y_vel > 0)
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_km.y_vel = 5 * MULTIPLIER;
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else
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_km.y_vel = -5 * MULTIPLIER;
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}
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}
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int16 speedFactor = 25;
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if (g_system->hasFeature(OSystem::kFeatureKbdMouseSpeed)) {
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switch (ConfMan.getInt("kbdmouse_speed")) {
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// 0.25 keyboard pointer speed
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case 0:
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speedFactor = 100;
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break;
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// 0.5 speed
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case 1:
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speedFactor = 50;
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break;
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// 0.75 speed
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case 2:
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speedFactor = 33;
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break;
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// 1.0 speed
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case 3:
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speedFactor = 25;
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break;
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// 1.25 speed
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case 4:
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speedFactor = 20;
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break;
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// 1.5 speed
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case 5:
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speedFactor = 17;
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break;
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// 1.75 speed
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case 6:
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speedFactor = 14;
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break;
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// 2.0 speed
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case 7:
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speedFactor = 12;
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break;
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default:
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speedFactor = 25;
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}
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}
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// - The modifier key makes the mouse movement slower
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// - The extra factor "delay/speedFactor" ensures velocities
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// are independent of the kbdMouse update rate
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// - all velocities were originally chosen
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// at a delay of 25, so that is the reference used here
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// - note: operator order is important to avoid overflow
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if (_km.modifier) {
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_km.x += ((_km.x_vel / 10) * ((int16)_km.delay_time)) / speedFactor;
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_km.y += ((_km.y_vel / 10) * ((int16)_km.delay_time)) / speedFactor;
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} else {
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_km.x += (_km.x_vel * ((int16)_km.delay_time)) / speedFactor;
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_km.y += (_km.y_vel * ((int16)_km.delay_time)) / speedFactor;
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}
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if (_km.x < 0) {
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_km.x = 0;
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_km.x_vel = -1 * MULTIPLIER;
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_km.x_down_count = 1;
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} else if (_km.x > _km.x_max * MULTIPLIER) {
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_km.x = _km.x_max * MULTIPLIER;
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_km.x_vel = 1 * MULTIPLIER;
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_km.x_down_count = 1;
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}
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if (_km.y < 0) {
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_km.y = 0;
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_km.y_vel = -1 * MULTIPLIER;
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_km.y_down_count = 1;
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} else if (_km.y > _km.y_max * MULTIPLIER) {
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_km.y = _km.y_max * MULTIPLIER;
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_km.y_vel = 1 * MULTIPLIER;
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_km.y_down_count = 1;
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}
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if (_graphicsManager) {
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_graphicsManager->getWindow()->warpMouseInWindow((Uint16)(_km.x / MULTIPLIER), (Uint16)(_km.y / MULTIPLIER));
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}
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if (_km.x != oldKmX || _km.y != oldKmY) {
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event.type = Common::EVENT_MOUSEMOVE;
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processMouseEvent(event, _km.x / MULTIPLIER, _km.y / MULTIPLIER);
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return true;
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}
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}
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}
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return false;
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}
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void SdlEventSource::SDLModToOSystemKeyFlags(SDLMod mod, Common::Event &event) {
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event.kbd.flags = 0;
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#ifdef LINUPY
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// Yopy has no ALT key, steal the SHIFT key
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// (which isn't used much anyway)
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if (mod & KMOD_SHIFT)
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event.kbd.flags |= Common::KBD_ALT;
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#else
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if (mod & KMOD_SHIFT)
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event.kbd.flags |= Common::KBD_SHIFT;
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if (mod & KMOD_ALT)
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event.kbd.flags |= Common::KBD_ALT;
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#endif
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if (mod & KMOD_CTRL)
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event.kbd.flags |= Common::KBD_CTRL;
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if (mod & KMOD_META)
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event.kbd.flags |= Common::KBD_META;
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// Sticky flags
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if (mod & KMOD_NUM)
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event.kbd.flags |= Common::KBD_NUM;
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if (mod & KMOD_CAPS)
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event.kbd.flags |= Common::KBD_CAPS;
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}
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Common::KeyCode SdlEventSource::SDLToOSystemKeycode(const SDLKey key) {
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switch (key) {
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case SDLK_BACKSPACE: return Common::KEYCODE_BACKSPACE;
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case SDLK_TAB: return Common::KEYCODE_TAB;
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case SDLK_CLEAR: return Common::KEYCODE_CLEAR;
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case SDLK_RETURN: return Common::KEYCODE_RETURN;
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case SDLK_PAUSE: return Common::KEYCODE_PAUSE;
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case SDLK_ESCAPE: return Common::KEYCODE_ESCAPE;
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case SDLK_SPACE: return Common::KEYCODE_SPACE;
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case SDLK_EXCLAIM: return Common::KEYCODE_EXCLAIM;
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case SDLK_QUOTEDBL: return Common::KEYCODE_QUOTEDBL;
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case SDLK_HASH: return Common::KEYCODE_HASH;
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case SDLK_DOLLAR: return Common::KEYCODE_DOLLAR;
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case SDLK_AMPERSAND: return Common::KEYCODE_AMPERSAND;
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case SDLK_QUOTE: return Common::KEYCODE_QUOTE;
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case SDLK_LEFTPAREN: return Common::KEYCODE_LEFTPAREN;
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case SDLK_RIGHTPAREN: return Common::KEYCODE_RIGHTPAREN;
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case SDLK_ASTERISK: return Common::KEYCODE_ASTERISK;
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case SDLK_PLUS: return Common::KEYCODE_PLUS;
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case SDLK_COMMA: return Common::KEYCODE_COMMA;
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case SDLK_MINUS: return Common::KEYCODE_MINUS;
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case SDLK_PERIOD: return Common::KEYCODE_PERIOD;
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case SDLK_SLASH: return Common::KEYCODE_SLASH;
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case SDLK_0: return Common::KEYCODE_0;
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case SDLK_1: return Common::KEYCODE_1;
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case SDLK_2: return Common::KEYCODE_2;
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case SDLK_3: return Common::KEYCODE_3;
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case SDLK_4: return Common::KEYCODE_4;
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case SDLK_5: return Common::KEYCODE_5;
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case SDLK_6: return Common::KEYCODE_6;
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case SDLK_7: return Common::KEYCODE_7;
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case SDLK_8: return Common::KEYCODE_8;
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case SDLK_9: return Common::KEYCODE_9;
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case SDLK_COLON: return Common::KEYCODE_COLON;
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case SDLK_SEMICOLON: return Common::KEYCODE_SEMICOLON;
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case SDLK_LESS: return Common::KEYCODE_LESS;
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case SDLK_EQUALS: return Common::KEYCODE_EQUALS;
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case SDLK_GREATER: return Common::KEYCODE_GREATER;
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case SDLK_QUESTION: return Common::KEYCODE_QUESTION;
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case SDLK_AT: return Common::KEYCODE_AT;
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case SDLK_LEFTBRACKET: return Common::KEYCODE_LEFTBRACKET;
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case SDLK_BACKSLASH: return Common::KEYCODE_BACKSLASH;
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case SDLK_RIGHTBRACKET: return Common::KEYCODE_RIGHTBRACKET;
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case SDLK_CARET: return Common::KEYCODE_CARET;
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case SDLK_UNDERSCORE: return Common::KEYCODE_UNDERSCORE;
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case SDLK_BACKQUOTE: return Common::KEYCODE_BACKQUOTE;
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case SDLK_a: return Common::KEYCODE_a;
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case SDLK_b: return Common::KEYCODE_b;
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case SDLK_c: return Common::KEYCODE_c;
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case SDLK_d: return Common::KEYCODE_d;
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case SDLK_e: return Common::KEYCODE_e;
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case SDLK_f: return Common::KEYCODE_f;
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case SDLK_g: return Common::KEYCODE_g;
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case SDLK_h: return Common::KEYCODE_h;
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case SDLK_i: return Common::KEYCODE_i;
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case SDLK_j: return Common::KEYCODE_j;
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case SDLK_k: return Common::KEYCODE_k;
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case SDLK_l: return Common::KEYCODE_l;
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case SDLK_m: return Common::KEYCODE_m;
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case SDLK_n: return Common::KEYCODE_n;
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case SDLK_o: return Common::KEYCODE_o;
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case SDLK_p: return Common::KEYCODE_p;
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case SDLK_q: return Common::KEYCODE_q;
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case SDLK_r: return Common::KEYCODE_r;
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case SDLK_s: return Common::KEYCODE_s;
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case SDLK_t: return Common::KEYCODE_t;
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case SDLK_u: return Common::KEYCODE_u;
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case SDLK_v: return Common::KEYCODE_v;
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|
case SDLK_w: return Common::KEYCODE_w;
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case SDLK_x: return Common::KEYCODE_x;
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case SDLK_y: return Common::KEYCODE_y;
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case SDLK_z: return Common::KEYCODE_z;
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case SDLK_DELETE: return Common::KEYCODE_DELETE;
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#if SDL_VERSION_ATLEAST(2, 0, 0)
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case SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_GRAVE): return Common::KEYCODE_TILDE;
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#else
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case SDLK_WORLD_16: return Common::KEYCODE_TILDE;
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#endif
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case SDLK_KP0: return Common::KEYCODE_KP0;
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case SDLK_KP1: return Common::KEYCODE_KP1;
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case SDLK_KP2: return Common::KEYCODE_KP2;
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case SDLK_KP3: return Common::KEYCODE_KP3;
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case SDLK_KP4: return Common::KEYCODE_KP4;
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case SDLK_KP5: return Common::KEYCODE_KP5;
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case SDLK_KP6: return Common::KEYCODE_KP6;
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case SDLK_KP7: return Common::KEYCODE_KP7;
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case SDLK_KP8: return Common::KEYCODE_KP8;
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case SDLK_KP9: return Common::KEYCODE_KP9;
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case SDLK_KP_PERIOD: return Common::KEYCODE_KP_PERIOD;
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case SDLK_KP_DIVIDE: return Common::KEYCODE_KP_DIVIDE;
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case SDLK_KP_MULTIPLY: return Common::KEYCODE_KP_MULTIPLY;
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case SDLK_KP_MINUS: return Common::KEYCODE_KP_MINUS;
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case SDLK_KP_PLUS: return Common::KEYCODE_KP_PLUS;
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case SDLK_KP_ENTER: return Common::KEYCODE_KP_ENTER;
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case SDLK_KP_EQUALS: return Common::KEYCODE_KP_EQUALS;
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case SDLK_UP: return Common::KEYCODE_UP;
|
|
case SDLK_DOWN: return Common::KEYCODE_DOWN;
|
|
case SDLK_RIGHT: return Common::KEYCODE_RIGHT;
|
|
case SDLK_LEFT: return Common::KEYCODE_LEFT;
|
|
case SDLK_INSERT: return Common::KEYCODE_INSERT;
|
|
case SDLK_HOME: return Common::KEYCODE_HOME;
|
|
case SDLK_END: return Common::KEYCODE_END;
|
|
case SDLK_PAGEUP: return Common::KEYCODE_PAGEUP;
|
|
case SDLK_PAGEDOWN: return Common::KEYCODE_PAGEDOWN;
|
|
case SDLK_F1: return Common::KEYCODE_F1;
|
|
case SDLK_F2: return Common::KEYCODE_F2;
|
|
case SDLK_F3: return Common::KEYCODE_F3;
|
|
case SDLK_F4: return Common::KEYCODE_F4;
|
|
case SDLK_F5: return Common::KEYCODE_F5;
|
|
case SDLK_F6: return Common::KEYCODE_F6;
|
|
case SDLK_F7: return Common::KEYCODE_F7;
|
|
case SDLK_F8: return Common::KEYCODE_F8;
|
|
case SDLK_F9: return Common::KEYCODE_F9;
|
|
case SDLK_F10: return Common::KEYCODE_F10;
|
|
case SDLK_F11: return Common::KEYCODE_F11;
|
|
case SDLK_F12: return Common::KEYCODE_F12;
|
|
case SDLK_F13: return Common::KEYCODE_F13;
|
|
case SDLK_F14: return Common::KEYCODE_F14;
|
|
case SDLK_F15: return Common::KEYCODE_F15;
|
|
case SDLK_NUMLOCK: return Common::KEYCODE_NUMLOCK;
|
|
case SDLK_CAPSLOCK: return Common::KEYCODE_CAPSLOCK;
|
|
case SDLK_SCROLLOCK: return Common::KEYCODE_SCROLLOCK;
|
|
case SDLK_RSHIFT: return Common::KEYCODE_RSHIFT;
|
|
case SDLK_LSHIFT: return Common::KEYCODE_LSHIFT;
|
|
case SDLK_RCTRL: return Common::KEYCODE_RCTRL;
|
|
case SDLK_LCTRL: return Common::KEYCODE_LCTRL;
|
|
case SDLK_RALT: return Common::KEYCODE_RALT;
|
|
case SDLK_LALT: return Common::KEYCODE_LALT;
|
|
case SDLK_LSUPER: return Common::KEYCODE_LSUPER;
|
|
case SDLK_RSUPER: return Common::KEYCODE_RSUPER;
|
|
case SDLK_MODE: return Common::KEYCODE_MODE;
|
|
case SDLK_COMPOSE: return Common::KEYCODE_COMPOSE;
|
|
case SDLK_HELP: return Common::KEYCODE_HELP;
|
|
case SDLK_PRINT: return Common::KEYCODE_PRINT;
|
|
case SDLK_SYSREQ: return Common::KEYCODE_SYSREQ;
|
|
#if !SDL_VERSION_ATLEAST(2, 0, 0)
|
|
case SDLK_BREAK: return Common::KEYCODE_BREAK;
|
|
#endif
|
|
case SDLK_MENU: return Common::KEYCODE_MENU;
|
|
case SDLK_POWER: return Common::KEYCODE_POWER;
|
|
case SDLK_UNDO: return Common::KEYCODE_UNDO;
|
|
default: return Common::KEYCODE_INVALID;
|
|
}
|
|
}
|
|
|
|
bool SdlEventSource::pollEvent(Common::Event &event) {
|
|
|
|
#if SDL_VERSION_ATLEAST(2, 0, 0)
|
|
// In case we still need to send a key up event for a key down from a
|
|
// TEXTINPUT event we do this immediately.
|
|
if (_queuedFakeKeyUp) {
|
|
event = _fakeKeyUp;
|
|
_queuedFakeKeyUp = false;
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
// If the screen changed, send an Common::EVENT_SCREEN_CHANGED
|
|
int screenID = ((OSystem_SDL *)g_system)->getGraphicsManager()->getScreenChangeID();
|
|
if (screenID != _lastScreenID) {
|
|
_lastScreenID = screenID;
|
|
event.type = Common::EVENT_SCREEN_CHANGED;
|
|
return true;
|
|
}
|
|
|
|
SDL_Event ev;
|
|
while (SDL_PollEvent(&ev)) {
|
|
preprocessEvents(&ev);
|
|
if (dispatchSDLEvent(ev, event))
|
|
return true;
|
|
}
|
|
|
|
// Handle mouse control via analog joystick and keyboard
|
|
if (handleKbdMouse(event)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool SdlEventSource::dispatchSDLEvent(SDL_Event &ev, Common::Event &event) {
|
|
switch (ev.type) {
|
|
case SDL_KEYDOWN:
|
|
return handleKeyDown(ev, event);
|
|
case SDL_KEYUP:
|
|
return handleKeyUp(ev, event);
|
|
case SDL_MOUSEMOTION:
|
|
return handleMouseMotion(ev, event);
|
|
case SDL_MOUSEBUTTONDOWN:
|
|
return handleMouseButtonDown(ev, event);
|
|
case SDL_MOUSEBUTTONUP:
|
|
return handleMouseButtonUp(ev, event);
|
|
case SDL_JOYBUTTONDOWN:
|
|
return handleJoyButtonDown(ev, event);
|
|
case SDL_JOYBUTTONUP:
|
|
return handleJoyButtonUp(ev, event);
|
|
case SDL_JOYAXISMOTION:
|
|
return handleJoyAxisMotion(ev, event);
|
|
|
|
#if SDL_VERSION_ATLEAST(2, 0, 0)
|
|
case SDL_MOUSEWHEEL: {
|
|
Sint32 yDir = ev.wheel.y;
|
|
// HACK: It seems we want the mouse coordinates supplied
|
|
// with a mouse wheel event. However, SDL2 does not supply
|
|
// these, thus we use whatever we got last time. It seems
|
|
// these are always stored in _km.x, _km.y.
|
|
processMouseEvent(event, _km.x / MULTIPLIER, _km.y / MULTIPLIER);
|
|
if (yDir < 0) {
|
|
event.type = Common::EVENT_WHEELDOWN;
|
|
return true;
|
|
} else if (yDir > 0) {
|
|
event.type = Common::EVENT_WHEELUP;
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
case SDL_TEXTINPUT: {
|
|
// When we get a TEXTINPUT event it means we got some user input for
|
|
// which no KEYDOWN exists. SDL 1.2 introduces a "fake" key down+up
|
|
// in such cases. We will do the same to mimic it's behavior.
|
|
event.type = Common::EVENT_KEYDOWN;
|
|
|
|
event.kbd = Common::KeyState(Common::KEYCODE_INVALID, convUTF8ToUTF32(ev.text.text), 0);
|
|
|
|
SDLModToOSystemKeyFlags(SDL_GetModState(), event);
|
|
// Set the scroll lock sticky flag
|
|
if (_scrollLock)
|
|
event.kbd.flags |= Common::KBD_SCRL;
|
|
|
|
// Fake a key up when we have a proper ascii value.
|
|
_queuedFakeKeyUp = (event.kbd.ascii != 0);
|
|
_fakeKeyUp = event;
|
|
_fakeKeyUp.type = Common::EVENT_KEYUP;
|
|
|
|
return _queuedFakeKeyUp;
|
|
}
|
|
|
|
case SDL_WINDOWEVENT:
|
|
switch (ev.window.event) {
|
|
case SDL_WINDOWEVENT_EXPOSED:
|
|
if (_graphicsManager)
|
|
_graphicsManager->notifyVideoExpose();
|
|
return false;
|
|
|
|
// SDL2 documentation indicate that SDL_WINDOWEVENT_SIZE_CHANGED is sent either as a result
|
|
// of the size being changed by an external event (for example the user resizing the window
|
|
// or going fullscreen) or a call to the SDL API (for example SDL_SetWindowSize). On the
|
|
// other hand SDL_WINDOWEVENT_RESIZED is only sent for resize resulting from an external event,
|
|
// and is always preceded by a SDL_WINDOWEVENT_SIZE_CHANGED event.
|
|
// We need to handle the programmatic resize as well so that the graphics manager always know
|
|
// the current size. See comments in SdlWindow::createOrUpdateWindow for details of one case
|
|
// where we need to call SDL_SetWindowSize and we need the resulting event to be processed.
|
|
// However if the documentation is correct we can ignore SDL_WINDOWEVENT_RESIZED since when we
|
|
// get one we should always get a SDL_WINDOWEVENT_SIZE_CHANGED as well.
|
|
case SDL_WINDOWEVENT_SIZE_CHANGED:
|
|
//case SDL_WINDOWEVENT_RESIZED:
|
|
return handleResizeEvent(event, ev.window.data1, ev.window.data2);
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
#else
|
|
case SDL_VIDEOEXPOSE:
|
|
if (_graphicsManager)
|
|
_graphicsManager->notifyVideoExpose();
|
|
return false;
|
|
|
|
case SDL_VIDEORESIZE:
|
|
return handleResizeEvent(event, ev.resize.w, ev.resize.h);
|
|
#endif
|
|
|
|
case SDL_QUIT:
|
|
event.type = Common::EVENT_QUIT;
|
|
return true;
|
|
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
bool SdlEventSource::handleKeyDown(SDL_Event &ev, Common::Event &event) {
|
|
|
|
SDLModToOSystemKeyFlags(SDL_GetModState(), event);
|
|
|
|
SDLKey sdlKeycode = obtainKeycode(ev.key.keysym);
|
|
|
|
// Handle scroll lock as a key modifier
|
|
if (sdlKeycode == SDLK_SCROLLOCK)
|
|
_scrollLock = !_scrollLock;
|
|
|
|
if (_scrollLock)
|
|
event.kbd.flags |= Common::KBD_SCRL;
|
|
|
|
// Ctrl-m toggles mouse capture
|
|
if (event.kbd.hasFlags(Common::KBD_CTRL) && sdlKeycode == 'm') {
|
|
if (_graphicsManager) {
|
|
_graphicsManager->getWindow()->toggleMouseGrab();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
#if defined(MACOSX)
|
|
// On Macintosh, Cmd-Q quits
|
|
if ((ev.key.keysym.mod & KMOD_META) && sdlKeycode == 'q') {
|
|
event.type = Common::EVENT_QUIT;
|
|
return true;
|
|
}
|
|
#elif defined(POSIX)
|
|
// On other *nix systems, Control-Q quits
|
|
if ((ev.key.keysym.mod & KMOD_CTRL) && sdlKeycode == 'q') {
|
|
event.type = Common::EVENT_QUIT;
|
|
return true;
|
|
}
|
|
#else
|
|
// Ctrl-z quits
|
|
if ((event.kbd.hasFlags(Common::KBD_CTRL) && sdlKeycode == 'z')) {
|
|
event.type = Common::EVENT_QUIT;
|
|
return true;
|
|
}
|
|
|
|
#ifdef WIN32
|
|
// On Windows, also use the default Alt-F4 quit combination
|
|
if ((ev.key.keysym.mod & KMOD_ALT) && sdlKeycode == SDLK_F4) {
|
|
event.type = Common::EVENT_QUIT;
|
|
return true;
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
// Ctrl-u toggles mute
|
|
if ((ev.key.keysym.mod & KMOD_CTRL) && sdlKeycode == 'u') {
|
|
event.type = Common::EVENT_MUTE;
|
|
return true;
|
|
}
|
|
|
|
if (remapKey(ev, event))
|
|
return true;
|
|
|
|
event.type = Common::EVENT_KEYDOWN;
|
|
event.kbd.keycode = SDLToOSystemKeycode(sdlKeycode);
|
|
event.kbd.ascii = mapKey(sdlKeycode, (SDLMod)ev.key.keysym.mod, obtainUnicode(ev.key.keysym));
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SdlEventSource::handleKeyUp(SDL_Event &ev, Common::Event &event) {
|
|
if (remapKey(ev, event))
|
|
return true;
|
|
|
|
SDLKey sdlKeycode = obtainKeycode(ev.key.keysym);
|
|
SDLMod mod = SDL_GetModState();
|
|
|
|
// Check if this is an event handled by handleKeyDown(), and stop if it is
|
|
|
|
// Check if the Ctrl key is down, so that we can trap cases where the
|
|
// user has the Ctrl key down, and has just released a special key
|
|
if (mod & KMOD_CTRL) {
|
|
if (sdlKeycode == 'm' || // Ctrl-m toggles mouse capture
|
|
#if defined(MACOSX)
|
|
// Meta - Q, handled below
|
|
#elif defined(POSIX)
|
|
sdlKeycode == 'q' || // On other *nix systems, Control-Q quits
|
|
#else
|
|
sdlKeycode == 'z' || // Ctrl-z quit
|
|
#endif
|
|
sdlKeycode == 'u') // Ctrl-u toggles mute
|
|
return false;
|
|
}
|
|
|
|
// Same for other keys (Meta and Alt)
|
|
#if defined(MACOSX)
|
|
if ((mod & KMOD_META) && sdlKeycode == 'q')
|
|
return false; // On Macintosh, Cmd-Q quits
|
|
#endif
|
|
|
|
// If we reached here, this isn't an event handled by handleKeyDown(), thus
|
|
// continue normally
|
|
|
|
event.type = Common::EVENT_KEYUP;
|
|
event.kbd.keycode = SDLToOSystemKeycode(sdlKeycode);
|
|
event.kbd.ascii = mapKey(sdlKeycode, (SDLMod)ev.key.keysym.mod, 0);
|
|
|
|
// Ctrl-Alt-<key> will change the GFX mode
|
|
SDLModToOSystemKeyFlags(mod, event);
|
|
|
|
// Set the scroll lock sticky flag
|
|
if (_scrollLock)
|
|
event.kbd.flags |= Common::KBD_SCRL;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SdlEventSource::handleMouseMotion(SDL_Event &ev, Common::Event &event) {
|
|
event.type = Common::EVENT_MOUSEMOVE;
|
|
processMouseEvent(event, ev.motion.x, ev.motion.y);
|
|
// update KbdMouse
|
|
_km.x = ev.motion.x * MULTIPLIER;
|
|
_km.y = ev.motion.y * MULTIPLIER;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SdlEventSource::handleMouseButtonDown(SDL_Event &ev, Common::Event &event) {
|
|
if (ev.button.button == SDL_BUTTON_LEFT)
|
|
event.type = Common::EVENT_LBUTTONDOWN;
|
|
else if (ev.button.button == SDL_BUTTON_RIGHT)
|
|
event.type = Common::EVENT_RBUTTONDOWN;
|
|
#if defined(SDL_BUTTON_WHEELUP) && defined(SDL_BUTTON_WHEELDOWN)
|
|
else if (ev.button.button == SDL_BUTTON_WHEELUP)
|
|
event.type = Common::EVENT_WHEELUP;
|
|
else if (ev.button.button == SDL_BUTTON_WHEELDOWN)
|
|
event.type = Common::EVENT_WHEELDOWN;
|
|
#endif
|
|
#if defined(SDL_BUTTON_MIDDLE)
|
|
else if (ev.button.button == SDL_BUTTON_MIDDLE)
|
|
event.type = Common::EVENT_MBUTTONDOWN;
|
|
#endif
|
|
else
|
|
return false;
|
|
|
|
processMouseEvent(event, ev.button.x, ev.button.y);
|
|
// update KbdMouse
|
|
_km.x = ev.button.x * MULTIPLIER;
|
|
_km.y = ev.button.y * MULTIPLIER;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SdlEventSource::handleMouseButtonUp(SDL_Event &ev, Common::Event &event) {
|
|
if (ev.button.button == SDL_BUTTON_LEFT)
|
|
event.type = Common::EVENT_LBUTTONUP;
|
|
else if (ev.button.button == SDL_BUTTON_RIGHT)
|
|
event.type = Common::EVENT_RBUTTONUP;
|
|
#if defined(SDL_BUTTON_MIDDLE)
|
|
else if (ev.button.button == SDL_BUTTON_MIDDLE)
|
|
event.type = Common::EVENT_MBUTTONUP;
|
|
#endif
|
|
else
|
|
return false;
|
|
processMouseEvent(event, ev.button.x, ev.button.y);
|
|
// update KbdMouse
|
|
_km.x = ev.button.x * MULTIPLIER;
|
|
_km.y = ev.button.y * MULTIPLIER;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SdlEventSource::handleJoyButtonDown(SDL_Event &ev, Common::Event &event) {
|
|
if (ev.jbutton.button == JOY_BUT_LMOUSE) {
|
|
event.type = Common::EVENT_LBUTTONDOWN;
|
|
processMouseEvent(event, _km.x / MULTIPLIER, _km.y / MULTIPLIER);
|
|
} else if (ev.jbutton.button == JOY_BUT_RMOUSE) {
|
|
event.type = Common::EVENT_RBUTTONDOWN;
|
|
processMouseEvent(event, _km.x / MULTIPLIER, _km.y / MULTIPLIER);
|
|
} else {
|
|
event.type = Common::EVENT_KEYDOWN;
|
|
switch (ev.jbutton.button) {
|
|
case JOY_BUT_ESCAPE:
|
|
event.kbd.keycode = Common::KEYCODE_ESCAPE;
|
|
event.kbd.ascii = mapKey(SDLK_ESCAPE, (SDLMod)ev.key.keysym.mod, 0);
|
|
break;
|
|
case JOY_BUT_PERIOD:
|
|
event.kbd.keycode = Common::KEYCODE_PERIOD;
|
|
event.kbd.ascii = mapKey(SDLK_PERIOD, (SDLMod)ev.key.keysym.mod, 0);
|
|
break;
|
|
case JOY_BUT_SPACE:
|
|
event.kbd.keycode = Common::KEYCODE_SPACE;
|
|
event.kbd.ascii = mapKey(SDLK_SPACE, (SDLMod)ev.key.keysym.mod, 0);
|
|
break;
|
|
case JOY_BUT_F5:
|
|
event.kbd.keycode = Common::KEYCODE_F5;
|
|
event.kbd.ascii = mapKey(SDLK_F5, (SDLMod)ev.key.keysym.mod, 0);
|
|
break;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool SdlEventSource::handleJoyButtonUp(SDL_Event &ev, Common::Event &event) {
|
|
if (ev.jbutton.button == JOY_BUT_LMOUSE) {
|
|
event.type = Common::EVENT_LBUTTONUP;
|
|
processMouseEvent(event, _km.x / MULTIPLIER, _km.y / MULTIPLIER);
|
|
} else if (ev.jbutton.button == JOY_BUT_RMOUSE) {
|
|
event.type = Common::EVENT_RBUTTONUP;
|
|
processMouseEvent(event, _km.x / MULTIPLIER, _km.y / MULTIPLIER);
|
|
} else {
|
|
event.type = Common::EVENT_KEYUP;
|
|
switch (ev.jbutton.button) {
|
|
case JOY_BUT_ESCAPE:
|
|
event.kbd.keycode = Common::KEYCODE_ESCAPE;
|
|
event.kbd.ascii = mapKey(SDLK_ESCAPE, (SDLMod)ev.key.keysym.mod, 0);
|
|
break;
|
|
case JOY_BUT_PERIOD:
|
|
event.kbd.keycode = Common::KEYCODE_PERIOD;
|
|
event.kbd.ascii = mapKey(SDLK_PERIOD, (SDLMod)ev.key.keysym.mod, 0);
|
|
break;
|
|
case JOY_BUT_SPACE:
|
|
event.kbd.keycode = Common::KEYCODE_SPACE;
|
|
event.kbd.ascii = mapKey(SDLK_SPACE, (SDLMod)ev.key.keysym.mod, 0);
|
|
break;
|
|
case JOY_BUT_F5:
|
|
event.kbd.keycode = Common::KEYCODE_F5;
|
|
event.kbd.ascii = mapKey(SDLK_F5, (SDLMod)ev.key.keysym.mod, 0);
|
|
break;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool SdlEventSource::handleJoyAxisMotion(SDL_Event &ev, Common::Event &event) {
|
|
|
|
int axis = ev.jaxis.value;
|
|
#ifdef JOY_ANALOG
|
|
// conversion factor between keyboard mouse and joy axis value
|
|
int vel_to_axis = (1500 / MULTIPLIER);
|
|
#else
|
|
if (axis > JOY_DEADZONE) {
|
|
axis -= JOY_DEADZONE;
|
|
} else if (axis < -JOY_DEADZONE) {
|
|
axis += JOY_DEADZONE;
|
|
} else
|
|
axis = 0;
|
|
#endif
|
|
|
|
if (ev.jaxis.axis == JOY_XAXIS) {
|
|
#ifdef JOY_ANALOG
|
|
_km.joy_x = axis;
|
|
#else
|
|
if (axis != 0) {
|
|
_km.x_vel = (axis > 0) ? 1 * MULTIPLIER:-1 * MULTIPLIER;
|
|
_km.x_down_count = 1;
|
|
} else {
|
|
_km.x_vel = 0;
|
|
_km.x_down_count = 0;
|
|
}
|
|
#endif
|
|
} else if (ev.jaxis.axis == JOY_YAXIS) {
|
|
#ifndef JOY_INVERT_Y
|
|
axis = -axis;
|
|
#endif
|
|
#ifdef JOY_ANALOG
|
|
_km.joy_y = -axis;
|
|
#else
|
|
if (axis != 0) {
|
|
_km.y_vel = (-axis > 0) ? 1 * MULTIPLIER: -1 * MULTIPLIER;
|
|
_km.y_down_count = 1;
|
|
} else {
|
|
_km.y_vel = 0;
|
|
_km.y_down_count = 0;
|
|
}
|
|
#endif
|
|
}
|
|
#ifdef JOY_ANALOG
|
|
// radial and scaled analog joystick deadzone
|
|
float analogX = (float)_km.joy_x;
|
|
float analogY = (float)_km.joy_y;
|
|
float deadZone = (float)JOY_DEADZONE;
|
|
if (g_system->hasFeature(OSystem::kFeatureJoystickDeadzone))
|
|
deadZone = (float)ConfMan.getInt("joystick_deadzone") * 1000.0f;
|
|
float scalingFactor = 1.0f;
|
|
float magnitude = 0.0f;
|
|
|
|
magnitude = sqrt(analogX * analogX + analogY * analogY);
|
|
|
|
if (magnitude >= deadZone) {
|
|
_km.x_down_count = 0;
|
|
_km.y_down_count = 0;
|
|
scalingFactor = 1.0f / magnitude * (magnitude - deadZone) / (32769.0f - deadZone);
|
|
_km.x_vel = (int16)(analogX * scalingFactor * 32768.0f / vel_to_axis);
|
|
_km.y_vel = (int16)(analogY * scalingFactor * 32768.0f / vel_to_axis);
|
|
} else {
|
|
_km.x_vel = 0;
|
|
_km.y_vel = 0;
|
|
}
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
bool SdlEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
|
|
#ifdef LINUPY
|
|
// On Yopy map the End button to quit
|
|
if ((ev.key.keysym.sym == 293)) {
|
|
event.type = Common::EVENT_QUIT;
|
|
return true;
|
|
}
|
|
// Map menu key to f5 (scumm menu)
|
|
if (ev.key.keysym.sym == 306) {
|
|
event.type = Common::EVENT_KEYDOWN;
|
|
event.kbd.keycode = Common::KEYCODE_F5;
|
|
event.kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0);
|
|
return true;
|
|
}
|
|
// Map action key to action
|
|
if (ev.key.keysym.sym == 291) {
|
|
event.type = Common::EVENT_KEYDOWN;
|
|
event.kbd.keycode = Common::KEYCODE_TAB;
|
|
event.kbd.ascii = mapKey(SDLK_TAB, ev.key.keysym.mod, 0);
|
|
return true;
|
|
}
|
|
// Map OK key to skip cinematic
|
|
if (ev.key.keysym.sym == 292) {
|
|
event.type = Common::EVENT_KEYDOWN;
|
|
event.kbd.keycode = Common::KEYCODE_ESCAPE;
|
|
event.kbd.ascii = mapKey(SDLK_ESCAPE, ev.key.keysym.mod, 0);
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
#ifdef QTOPIA
|
|
// Quit on fn+backspace on zaurus
|
|
if (ev.key.keysym.sym == 127) {
|
|
event.type = Common::EVENT_QUIT;
|
|
return true;
|
|
}
|
|
|
|
// Map menu key (f11) to f5 (scumm menu)
|
|
if (ev.key.keysym.sym == SDLK_F11) {
|
|
event.type = Common::EVENT_KEYDOWN;
|
|
event.kbd.keycode = Common::KEYCODE_F5;
|
|
event.kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0);
|
|
}
|
|
// Nap center (space) to tab (default action )
|
|
// I wanted to map the calendar button but the calendar comes up
|
|
//
|
|
else if (ev.key.keysym.sym == SDLK_SPACE) {
|
|
event.type = Common::EVENT_KEYDOWN;
|
|
event.kbd.keycode = Common::KEYCODE_TAB;
|
|
event.kbd.ascii = mapKey(SDLK_TAB, ev.key.keysym.mod, 0);
|
|
}
|
|
// Since we stole space (pause) above we'll rebind it to the tab key on the keyboard
|
|
else if (ev.key.keysym.sym == SDLK_TAB) {
|
|
event.type = Common::EVENT_KEYDOWN;
|
|
event.kbd.keycode = Common::KEYCODE_SPACE;
|
|
event.kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0);
|
|
} else {
|
|
// Let the events fall through if we didn't change them, this may not be the best way to
|
|
// set it up, but i'm not sure how sdl would like it if we let if fall through then redid it though.
|
|
// and yes i have an huge terminal size so i dont wrap soon enough.
|
|
event.type = Common::EVENT_KEYDOWN;
|
|
event.kbd.keycode = ev.key.keysym.sym;
|
|
event.kbd.ascii = mapKey(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode);
|
|
}
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
void SdlEventSource::resetKeyboardEmulation(int16 x_max, int16 y_max) {
|
|
_km.x_max = x_max;
|
|
_km.y_max = y_max;
|
|
_km.delay_time = 12;
|
|
_km.last_time = 0;
|
|
_km.modifier = false;
|
|
_km.joy_x = 0;
|
|
_km.joy_y = 0;
|
|
}
|
|
|
|
bool SdlEventSource::handleResizeEvent(Common::Event &event, int w, int h) {
|
|
if (_graphicsManager) {
|
|
_graphicsManager->notifyResize(w, h);
|
|
|
|
// If the screen changed, send an Common::EVENT_SCREEN_CHANGED
|
|
int screenID = ((OSystem_SDL *)g_system)->getGraphicsManager()->getScreenChangeID();
|
|
if (screenID != _lastScreenID) {
|
|
_lastScreenID = screenID;
|
|
event.type = Common::EVENT_SCREEN_CHANGED;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
SDLKey SdlEventSource::obtainKeycode(const SDL_keysym keySym) {
|
|
#if !SDL_VERSION_ATLEAST(2, 0, 0) && defined(WIN32) && !defined(_WIN32_WCE)
|
|
// WORKAROUND: SDL 1.2 on Windows does not use the user configured keyboard layout,
|
|
// resulting in "keySym.sym" values to always be those expected for an US keyboard.
|
|
// For example, SDL returns SDLK_Q when pressing the 'A' key on an AZERTY keyboard.
|
|
// This defeats the purpose of keycodes which is to be able to refer to a key without
|
|
// knowing where it is physically located.
|
|
// We work around this issue by querying the currently active Windows keyboard layout
|
|
// using the scancode provided by SDL.
|
|
|
|
if (keySym.sym >= SDLK_0 && keySym.sym <= SDLK_9) {
|
|
// The keycode returned by SDL is kept for the number keys.
|
|
// Querying the keyboard layout for those would return the base key values
|
|
// for AZERTY keyboards, which are not numbers. For example, SDLK_1 would
|
|
// map to SDLK_AMPERSAND. This is theoretically correct but practically unhelpful,
|
|
// because it makes it impossible to handle key combinations such as "ctrl-1".
|
|
return keySym.sym;
|
|
}
|
|
|
|
int vk = MapVirtualKey(keySym.scancode, MAPVK_VSC_TO_VK);
|
|
if (vk) {
|
|
int ch = (MapVirtualKey(vk, MAPVK_VK_TO_CHAR) & 0x7FFF);
|
|
// The top bit of the result of MapVirtualKey with MAPVK_VSC_TO_VK signals
|
|
// a dead key was pressed. In that case we keep the value of the accent alone.
|
|
if (ch) {
|
|
if (ch >= 'A' && ch <= 'Z') {
|
|
// Windows returns uppercase ASCII whereas SDL expects lowercase
|
|
return (SDLKey)(SDLK_a + (ch - 'A'));
|
|
} else {
|
|
return (SDLKey)ch;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return keySym.sym;
|
|
}
|
|
|
|
uint32 SdlEventSource::obtainUnicode(const SDL_keysym keySym) {
|
|
#if SDL_VERSION_ATLEAST(2, 0, 0)
|
|
SDL_Event events[2];
|
|
|
|
// Update the event queue here to give SDL a chance to insert TEXTINPUT
|
|
// events for KEYDOWN events. Otherwise we have a high chance that on
|
|
// Windows the TEXTINPUT event is not in the event queue at this point.
|
|
// In this case we will get two events with ascii values due to mapKey
|
|
// and dispatchSDLEvent. This results in nasty double input of characters
|
|
// in the GUI.
|
|
//
|
|
// FIXME: This is all a bit fragile because in mapKey we derive the ascii
|
|
// value from the key code if no unicode value is given. This is legacy
|
|
// behavior and should be removed anyway. If that is removed, we might not
|
|
// even need to do this peeking here but instead can rely on the
|
|
// SDL_TEXTINPUT case in dispatchSDLEvent to introduce keydown/keyup with
|
|
// proper ASCII values (but with KEYCODE_INVALID as keycode).
|
|
SDL_PumpEvents();
|
|
|
|
// In SDL2, the unicode field has been removed from the keysym struct.
|
|
// Instead a SDL_TEXTINPUT event is generated on key combinations that
|
|
// generates unicode.
|
|
// Here we peek into the event queue for the event to see if it exists.
|
|
int n = SDL_PeepEvents(events, 2, SDL_PEEKEVENT, SDL_KEYDOWN, SDL_TEXTINPUT);
|
|
// Make sure that the TEXTINPUT event belongs to this KEYDOWN
|
|
// event and not another pending one.
|
|
if ((n > 0 && events[0].type == SDL_TEXTINPUT)
|
|
|| (n > 1 && events[0].type != SDL_KEYDOWN && events[1].type == SDL_TEXTINPUT)) {
|
|
// Remove the text input event we associate with the key press. This
|
|
// makes sure we never get any SDL_TEXTINPUT events which do "belong"
|
|
// to SDL_KEYDOWN events.
|
|
n = SDL_PeepEvents(events, 1, SDL_GETEVENT, SDL_TEXTINPUT, SDL_TEXTINPUT);
|
|
// This is basically a paranoia safety check because we know there
|
|
// must be a text input event in the queue.
|
|
if (n > 0) {
|
|
return convUTF8ToUTF32(events[0].text.text);
|
|
} else {
|
|
return 0;
|
|
}
|
|
} else {
|
|
return 0;
|
|
}
|
|
#else
|
|
return keySym.unicode;
|
|
#endif
|
|
}
|
|
|
|
#endif
|