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path: root/backends/platform/dingux/dingux-events.cpp
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#include "backends/platform/dingux/dingux.h"

#include "graphics/scaler/aspect.h"	// for aspect2Real

#if defined (DINGUX)

#define PAD_UP    SDLK_UP
#define PAD_DOWN  SDLK_DOWN
#define PAD_LEFT  SDLK_LEFT
#define PAD_RIGHT SDLK_RIGHT
#define BUT_A     SDLK_LCTRL
#define BUT_B     SDLK_LALT
#define BUT_X     SDLK_SPACE
#define BUT_Y     SDLK_LSHIFT
#define BUT_SELECT   SDLK_ESCAPE
#define BUT_START    SDLK_RETURN
#define TRIG_L    SDLK_TAB
#define TRIG_R    SDLK_BACKSPACE

static int mapKey(SDLKey key, SDLMod mod, Uint16 unicode) {
	if (key >= SDLK_F1 && key <= SDLK_F9) {
		return key - SDLK_F1 + Common::ASCII_F1;
	} else if (key >= SDLK_KP0 && key <= SDLK_KP9) {
		return key - SDLK_KP0 + '0';
	} else if (key >= SDLK_UP && key <= SDLK_PAGEDOWN) {
		return key;
	} else if (unicode) {
		return unicode;
	} else if (key >= 'a' && key <= 'z' && (mod & KMOD_SHIFT)) {
		return key & ~0x20;
	} else if (key >= SDLK_NUMLOCK && key <= SDLK_EURO) {
		return 0;
	}
	return key;
}

bool OSystem_SDL_Dingux::remapKey(SDL_Event &ev, Common::Event &event) {
	if (ev.key.keysym.sym == PAD_UP) {
		if (ev.type == SDL_KEYDOWN) {
			_km.y_vel = -1;
			_km.y_down_count = 1;
		} else {
			_km.y_vel = 0;
			_km.y_down_count = 0;
		}

		event.type = Common::EVENT_MOUSEMOVE;
		fillMouseEvent(event, _km.x, _km.y);

		return true;
	} else if (ev.key.keysym.sym == PAD_DOWN) {
		if (ev.type == SDL_KEYDOWN) {
			_km.y_vel = 1;
			_km.y_down_count = 1;
		} else {
			_km.y_vel = 0;
			_km.y_down_count = 0;
		}

		event.type = Common::EVENT_MOUSEMOVE;
		fillMouseEvent(event, _km.x, _km.y);

		return true;
	} else if (ev.key.keysym.sym == PAD_LEFT) {
		if (ev.type == SDL_KEYDOWN) {
			_km.x_vel = -1;
			_km.x_down_count = 1;
		} else {
			_km.x_vel = 0;
			_km.x_down_count = 0;
		}

		event.type = Common::EVENT_MOUSEMOVE;
		fillMouseEvent(event, _km.x, _km.y);

		return true;
	} else if (ev.key.keysym.sym == PAD_RIGHT) {
		if (ev.type == SDL_KEYDOWN) {
			_km.x_vel = 1;
			_km.x_down_count = 1;
		} else {
			_km.x_vel = 0;
			_km.x_down_count = 0;
		}

		event.type = Common::EVENT_MOUSEMOVE;
		fillMouseEvent(event, _km.x, _km.y);

		return true;
	} else if (ev.key.keysym.sym == BUT_Y) { // left mouse button
		if (ev.type == SDL_KEYDOWN) {
			event.type = Common::EVENT_LBUTTONDOWN;
		} else {
			event.type = Common::EVENT_LBUTTONUP;
		}

		fillMouseEvent(event, _km.x, _km.y);

		return true;
	} else if (ev.key.keysym.sym == BUT_B) { // right mouse button
		if (ev.type == SDL_KEYDOWN) {
			event.type = Common::EVENT_RBUTTONDOWN;
		} else {
			event.type = Common::EVENT_RBUTTONUP;
		}

		fillMouseEvent(event, _km.x, _km.y);

		return true;
	} else if (ev.key.keysym.sym == BUT_X) { // '.' skip dialogue
		ev.key.keysym.sym = SDLK_PERIOD;
		ev.key.keysym.mod = (SDLMod)0;
		ev.key.keysym.unicode = '.';
	} else if (ev.key.keysym.sym == TRIG_L) { // global menu
		ev.key.keysym.sym = SDLK_F5;
		event.kbd.keycode = Common::KEYCODE_F5;
		event.kbd.ascii = Common::ASCII_F5;
		event.kbd.flags = Common::KBD_CTRL;

		if (ev.type == SDL_KEYDOWN) {
			event.type = Common::EVENT_KEYDOWN;
		} else {
			event.type = Common::EVENT_KEYUP;
		}

		return true;
	} else if (ev.key.keysym.sym == BUT_A) { // virtual keyboard
		ev.key.keysym.sym = SDLK_0;

		event.kbd.keycode = Common::KEYCODE_0;
		event.kbd.ascii = '0';
		event.kbd.flags = 0;

		if (ev.type == SDL_KEYDOWN) {
			event.type = Common::EVENT_KEYDOWN;
		} else {
			event.type = Common::EVENT_KEYUP;
		}

		return true;
	} else if (ev.key.keysym.sym == BUT_SELECT) { // virtual keyboard
		ev.key.keysym.sym = SDLK_F7;

	} else if (ev.key.keysym.sym == BUT_START) { // F5, menu in some games
		ev.key.keysym.sym = SDLK_F5;

	}  else if (ev.key.keysym.sym == TRIG_R) { // ESC
		ev.key.keysym.sym = SDLK_ESCAPE;
	} else {
		event.kbd.keycode = (Common::KeyCode)ev.key.keysym.sym;
		event.kbd.ascii = mapKey(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode);
	}

	return false;
}

void OSystem_SDL_Dingux::fillMouseEvent(Common::Event &event, int x, int y) {
	if (_videoMode.mode == GFX_HALF && !_overlayVisible) {
		event.mouse.x = x * 2;
		event.mouse.y = y * 2;
	} else {
		event.mouse.x = x;
		event.mouse.y = y;
	}

	// Update the "keyboard mouse" coords
	_km.x = x;
	_km.y = y;

	// Adjust for the screen scaling
	if (!_overlayVisible) {
		event.mouse.x /= _videoMode.scaleFactor;
		event.mouse.y /= _videoMode.scaleFactor;
		if (_videoMode.aspectRatioCorrection)
			event.mouse.y = aspect2Real(event.mouse.y);
	}
}

void OSystem_SDL_Dingux::warpMouse(int x, int y) {
	if (_mouseCurState.x != x || _mouseCurState.y != y) {
		if (_videoMode.mode == GFX_HALF && !_overlayVisible) {
			x = x / 2;
			y = y / 2;
		}
	}
	OSystem_SDL::warpMouse(x, y);
}

#endif