mirror of
https://github.com/libretro/scummvm.git
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523 lines
14 KiB
C++
523 lines
14 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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* 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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* 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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* $URL$
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* $Id$
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*
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*/
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#include "backends/platform/sdl/sdl.h"
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#include "common/util.h"
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#include "common/events.h"
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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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static int mapKey(SDLKey key, SDLMod mod, Uint16 unicode)
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{
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if (key >= SDLK_F1 && key <= SDLK_F9) {
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return key - SDLK_F1 + Common::ASCII_F1;
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} else if (key >= SDLK_KP0 && key <= SDLK_KP9) {
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return key - SDLK_KP0 + '0';
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} else if (key >= SDLK_UP && key <= SDLK_PAGEDOWN) {
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return key;
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} else if (unicode) {
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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 >= SDLK_NUMLOCK && key <= SDLK_EURO) {
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return 0;
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}
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return key;
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}
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void OSystem_SDL::fillMouseEvent(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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// Update the "keyboard mouse" coords
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_km.x = x;
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_km.y = y;
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// Adjust for the screen scaling
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if (!_overlayVisible) {
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event.mouse.x /= _scaleFactor;
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event.mouse.y /= _scaleFactor;
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if (_adjustAspectRatio)
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event.mouse.y = aspect2Real(event.mouse.y);
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}
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}
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void OSystem_SDL::handleKbdMouse() {
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uint32 curTime = getMillis();
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if (curTime >= _km.last_time + _km.delay_time) {
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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 + _km.delay_time * 12) {
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if (_km.x_vel > 0)
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_km.x_vel++;
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else
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_km.x_vel--;
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} else if (curTime > _km.x_down_time + _km.delay_time * 8) {
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if (_km.x_vel > 0)
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_km.x_vel = 5;
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else
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_km.x_vel = -5;
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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 + _km.delay_time * 12) {
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if (_km.y_vel > 0)
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_km.y_vel++;
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else
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_km.y_vel--;
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} else if (curTime > _km.y_down_time + _km.delay_time * 8) {
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if (_km.y_vel > 0)
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_km.y_vel = 5;
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else
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_km.y_vel = -5;
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}
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}
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_km.x += _km.x_vel;
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_km.y += _km.y_vel;
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if (_km.x < 0) {
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_km.x = 0;
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_km.x_vel = -1;
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_km.x_down_count = 1;
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} else if (_km.x > _km.x_max) {
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_km.x = _km.x_max;
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_km.x_vel = 1;
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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;
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_km.y_down_count = 1;
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} else if (_km.y > _km.y_max) {
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_km.y = _km.y_max;
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_km.y_vel = 1;
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_km.y_down_count = 1;
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}
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SDL_WarpMouse(_km.x, _km.y);
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}
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}
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}
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static byte SDLModToOSystemKeyFlags(SDLMod mod) {
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byte b = 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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b |= Common::KBD_ALT;
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#else
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if (mod & KMOD_SHIFT)
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b |= Common::KBD_SHIFT;
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if (mod & KMOD_ALT)
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b |= Common::KBD_ALT;
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#endif
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if (mod & KMOD_CTRL)
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b |= Common::KBD_CTRL;
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return b;
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}
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bool OSystem_SDL::pollEvent(Common::Event &event) {
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SDL_Event ev;
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int axis;
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byte b = 0;
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handleKbdMouse();
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// If the screen mode changed, send an Common::EVENT_SCREEN_CHANGED
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if (_modeChanged) {
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_modeChanged = false;
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event.type = Common::EVENT_SCREEN_CHANGED;
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_screenChangeCount++;
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return true;
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}
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while (SDL_PollEvent(&ev)) {
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switch (ev.type) {
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case SDL_KEYDOWN:{
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b = event.kbd.flags = SDLModToOSystemKeyFlags(SDL_GetModState());
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// Alt-Return and Alt-Enter toggle full screen mode
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if (b == Common::KBD_ALT && (ev.key.keysym.sym == SDLK_RETURN
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|| ev.key.keysym.sym == SDLK_KP_ENTER)) {
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setFullscreenMode(!_fullscreen);
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#ifdef USE_OSD
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if (_fullscreen)
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displayMessageOnOSD("Fullscreen mode");
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else
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displayMessageOnOSD("Windowed mode");
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#endif
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break;
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}
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// Alt-S: Create a screenshot
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if (b == Common::KBD_ALT && ev.key.keysym.sym == 's') {
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char filename[20];
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for (int n = 0;; n++) {
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SDL_RWops *file;
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sprintf(filename, "scummvm%05d.bmp", n);
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file = SDL_RWFromFile(filename, "r");
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if (!file)
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break;
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SDL_RWclose(file);
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}
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if (saveScreenshot(filename))
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printf("Saved '%s'\n", filename);
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else
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printf("Could not save screenshot!\n");
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break;
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}
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// Ctrl-m toggles mouse capture
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if (b == Common::KBD_CTRL && ev.key.keysym.sym == 'm') {
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toggleMouseGrab();
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break;
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}
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#if defined(MACOSX)
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// On Macintosh', Cmd-Q quits
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if ((ev.key.keysym.mod & KMOD_META) && ev.key.keysym.sym == 'q') {
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event.type = Common::EVENT_QUIT;
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return true;
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}
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#elif defined(UNIX)
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// On other unices, Control-Q quits
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if ((ev.key.keysym.mod & KMOD_CTRL) && ev.key.keysym.sym == 'q') {
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event.type = Common::EVENT_QUIT;
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return true;
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}
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#else
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// Ctrl-z and Alt-X quit
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if ((b == Common::KBD_CTRL && ev.key.keysym.sym == 'z') || (b == Common::KBD_ALT && ev.key.keysym.sym == 'x')) {
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event.type = Common::EVENT_QUIT;
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return true;
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}
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#endif
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// Ctrl-Alt-<key> will change the GFX mode
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if ((b & (Common::KBD_CTRL|Common::KBD_ALT)) == (Common::KBD_CTRL|Common::KBD_ALT)) {
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handleScalerHotkeys(ev.key);
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break;
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}
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const bool event_complete = remapKey(ev, event);
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if (event_complete)
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return true;
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event.type = Common::EVENT_KEYDOWN;
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event.kbd.keycode = (Common::KeyCode)ev.key.keysym.sym;
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event.kbd.ascii = mapKey(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode);
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return true;
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}
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case SDL_KEYUP:
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{
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const bool event_complete = remapKey(ev,event);
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if (event_complete)
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return true;
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event.type = Common::EVENT_KEYUP;
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event.kbd.keycode = (Common::KeyCode)ev.key.keysym.sym;
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event.kbd.ascii = mapKey(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode);
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b = event.kbd.flags = SDLModToOSystemKeyFlags(SDL_GetModState());
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// Ctrl-Alt-<key> will change the GFX mode
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if ((b & (Common::KBD_CTRL|Common::KBD_ALT)) == (Common::KBD_CTRL|Common::KBD_ALT)) {
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// Swallow these key up events
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break;
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}
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return true;
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}
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case SDL_MOUSEMOTION:
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event.type = Common::EVENT_MOUSEMOVE;
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fillMouseEvent(event, ev.motion.x, ev.motion.y);
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setMousePos(event.mouse.x, event.mouse.y);
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return true;
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case SDL_MOUSEBUTTONDOWN:
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if (ev.button.button == SDL_BUTTON_LEFT)
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event.type = Common::EVENT_LBUTTONDOWN;
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else if (ev.button.button == SDL_BUTTON_RIGHT)
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event.type = Common::EVENT_RBUTTONDOWN;
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#if defined(SDL_BUTTON_WHEELUP) && defined(SDL_BUTTON_WHEELDOWN)
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else if (ev.button.button == SDL_BUTTON_WHEELUP)
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event.type = Common::EVENT_WHEELUP;
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else if (ev.button.button == SDL_BUTTON_WHEELDOWN)
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event.type = Common::EVENT_WHEELDOWN;
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#endif
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#if defined(SDL_BUTTON_MIDDLE)
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else if (ev.button.button == SDL_BUTTON_MIDDLE)
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event.type = Common::EVENT_MBUTTONDOWN;
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#endif
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else
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break;
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fillMouseEvent(event, ev.button.x, ev.button.y);
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return true;
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case SDL_MOUSEBUTTONUP:
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if (ev.button.button == SDL_BUTTON_LEFT)
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event.type = Common::EVENT_LBUTTONUP;
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else if (ev.button.button == SDL_BUTTON_RIGHT)
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event.type = Common::EVENT_RBUTTONUP;
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#if defined(SDL_BUTTON_MIDDLE)
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else if (ev.button.button == SDL_BUTTON_MIDDLE)
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event.type = Common::EVENT_MBUTTONUP;
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#endif
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else
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break;
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fillMouseEvent(event, ev.button.x, ev.button.y);
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return true;
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case SDL_JOYBUTTONDOWN:
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if (ev.jbutton.button == JOY_BUT_LMOUSE) {
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event.type = Common::EVENT_LBUTTONDOWN;
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fillMouseEvent(event, _km.x, _km.y);
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} else if (ev.jbutton.button == JOY_BUT_RMOUSE) {
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event.type = Common::EVENT_RBUTTONDOWN;
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fillMouseEvent(event, _km.x, _km.y);
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} else {
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event.type = Common::EVENT_KEYDOWN;
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switch (ev.jbutton.button) {
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case JOY_BUT_ESCAPE:
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event.kbd.keycode = Common::KEYCODE_ESCAPE;
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event.kbd.ascii = mapKey(SDLK_ESCAPE, ev.key.keysym.mod, 0);
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break;
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case JOY_BUT_PERIOD:
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event.kbd.keycode = Common::KEYCODE_PERIOD;
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event.kbd.ascii = mapKey(SDLK_PERIOD, ev.key.keysym.mod, 0);
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break;
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case JOY_BUT_SPACE:
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event.kbd.keycode = Common::KEYCODE_SPACE;
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event.kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0);
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break;
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case JOY_BUT_F5:
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event.kbd.keycode = Common::KEYCODE_F5;
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event.kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0);
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break;
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}
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}
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return true;
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case SDL_JOYBUTTONUP:
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if (ev.jbutton.button == JOY_BUT_LMOUSE) {
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event.type = Common::EVENT_LBUTTONUP;
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fillMouseEvent(event, _km.x, _km.y);
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} else if (ev.jbutton.button == JOY_BUT_RMOUSE) {
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event.type = Common::EVENT_RBUTTONUP;
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fillMouseEvent(event, _km.x, _km.y);
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} else {
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event.type = Common::EVENT_KEYUP;
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switch (ev.jbutton.button) {
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case JOY_BUT_ESCAPE:
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event.kbd.keycode = Common::KEYCODE_ESCAPE;
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event.kbd.ascii = mapKey(SDLK_ESCAPE, ev.key.keysym.mod, 0);
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break;
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case JOY_BUT_PERIOD:
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event.kbd.keycode = Common::KEYCODE_PERIOD;
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event.kbd.ascii = mapKey(SDLK_PERIOD, ev.key.keysym.mod, 0);
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break;
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case JOY_BUT_SPACE:
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event.kbd.keycode = Common::KEYCODE_SPACE;
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event.kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0);
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break;
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case JOY_BUT_F5:
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event.kbd.keycode = Common::KEYCODE_F5;
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event.kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0);
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break;
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}
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}
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return true;
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case SDL_JOYAXISMOTION:
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axis = ev.jaxis.value;
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if ( axis > JOY_DEADZONE) {
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axis -= JOY_DEADZONE;
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event.type = Common::EVENT_MOUSEMOVE;
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} else if ( axis < -JOY_DEADZONE ) {
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axis += JOY_DEADZONE;
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event.type = Common::EVENT_MOUSEMOVE;
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} else
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axis = 0;
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if ( ev.jaxis.axis == JOY_XAXIS) {
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#ifdef JOY_ANALOG
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_km.x_vel = axis/2000;
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_km.x_down_count = 0;
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#else
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if (axis != 0) {
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_km.x_vel = (axis > 0) ? 1:-1;
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_km.x_down_count = 1;
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} else {
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_km.x_vel = 0;
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_km.x_down_count = 0;
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}
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#endif
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} else if (ev.jaxis.axis == JOY_YAXIS) {
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#ifndef JOY_INVERT_Y
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axis = -axis;
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#endif
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#ifdef JOY_ANALOG
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_km.y_vel = -axis / 2000;
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_km.y_down_count = 0;
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#else
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if (axis != 0) {
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_km.y_vel = (-axis > 0) ? 1: -1;
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_km.y_down_count = 1;
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} else {
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_km.y_vel = 0;
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_km.y_down_count = 0;
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}
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#endif
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}
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fillMouseEvent(event, _km.x, _km.y);
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return true;
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case SDL_VIDEOEXPOSE:
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_forceFull = true;
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break;
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case SDL_QUIT:
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event.type = Common::EVENT_QUIT;
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return true;
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}
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}
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return false;
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}
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bool OSystem_SDL::remapKey(SDL_Event &ev, Common::Event &event) {
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#ifdef LINUPY
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// On Yopy map the End button to quit
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if ((ev.key.keysym.sym == 293)) {
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event.type = Common::EVENT_QUIT;
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return true;
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}
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// Map menu key to f5 (scumm menu)
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if (ev.key.keysym.sym == 306) {
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event.type = Common::EVENT_KEYDOWN;
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event.kbd.keycode = Common::KEYCODE_F5;
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event.kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0);
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return true;
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}
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// Map action key to action
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if (ev.key.keysym.sym == 291) {
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event.type = Common::EVENT_KEYDOWN;
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event.kbd.keycode = Common::KEYCODE_TAB;
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event.kbd.ascii = mapKey(SDLK_TAB, ev.key.keysym.mod, 0);
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return true;
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}
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// Map OK key to skip cinematic
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if (ev.key.keysym.sym == 292) {
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event.type = Common::EVENT_KEYDOWN;
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event.kbd.keycode = Common::KEYCODE_ESCAPE;
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event.kbd.ascii = mapKey(SDLK_ESCAPE, ev.key.keysym.mod, 0);
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return true;
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}
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#endif
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#ifdef QTOPIA
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// Quit on fn+backspace on zaurus
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if (ev.key.keysym.sym == 127) {
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event.type = Common::EVENT_QUIT;
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return true;
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}
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// 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;
|
|
}
|
|
|