Initial commit

backends/platform/dc/softkbd.cpp

@@ -0,0 +1,167 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <common/scummsys.h>
+#include "common/events.h"
+#include "engines/engine.h"
+
+#include <ronin/ronin.h>
+#include <string.h>
+#include <assert.h>
+
+#include "dc.h"
+
+
+extern void draw_trans_quad(float x1, float y1, float x2, float y2,
+			    int c0, int c1, int c2, int c3);
+
+
+static const char key_names[] =
+  "Esc\0F1\0F2\0F3\0F4\0F5\0F6\0F7\0F8\0F9\0F10\0"
+  "1\0!\0""2\0\"\0""3\0#\0""4\0$\0""5\0%\0"
+  "6\0&\0""7\0'\0""8\0(\0""9\0)\0""0\0~\0-\0=\0"
+  "q\0Q\0w\0W\0e\0E\0r\0R\0t\0T\0y\0Y\0u\0U\0i\0I\0o\0O\0p\0P\0@\0`\0"
+  "a\0A\0s\0S\0d\0D\0f\0F\0g\0G\0h\0H\0j\0J\0k\0K\0l\0L\0;\0+\0:\0*\0"
+  "z\0Z\0x\0X\0c\0C\0v\0V\0b\0B\0n\0N\0m\0M\0,\0<\0.\0>\0/\0?\0\\\0_\0"
+  "Shf\0Ctl\0Alt\0Space\0BS\0Ret";
+
+#define K(a,b) ((a)|((b)<<8))
+
+static const short key_codes[] =
+  {
+	Common::KEYCODE_ESCAPE, Common::KEYCODE_F1, Common::KEYCODE_F2, Common::KEYCODE_F3, Common::KEYCODE_F4, Common::KEYCODE_F5, Common::KEYCODE_F6, Common::KEYCODE_F7, Common::KEYCODE_F8, Common::KEYCODE_F9, Common::KEYCODE_F10,
+	K('1','!'), K('2','"'), K('3','#'), K('4','$'), K('5','%'),
+	K('6','&'), K('7','\''), K('8','('), K('9',')'), K('0','~'), K('-','='),
+	K('q','Q'), K('w','W'), K('e','E'), K('r','R'), K('t','T'),
+	K('y','Y'), K('u','U'), K('i','I'), K('o','O'), K('p','P'), K('@','`'),
+	K('a','A'), K('s','S'), K('d','D'), K('f','F'), K('g','G'),
+	K('h','H'), K('j','J'), K('k','K'), K('l','L'), K(';','+'), K(':','*'),
+	K('z','Z'), K('x','X'), K('c','C'), K('v','V'), K('b','B'),
+	K('n','N'), K('m','M'), K(',','<'), K('.','>'), K('/','?'), K('\\','_'),
+	~Common::KBD_SHIFT, ~Common::KBD_CTRL, ~Common::KBD_ALT, ' ', Common::KEYCODE_BACKSPACE, Common::KEYCODE_RETURN
+  };
+
+SoftKeyboard::SoftKeyboard(const OSystem_Dreamcast *_os)
+  : os(_os), shiftState(0), keySel(0)
+{
+  assert((sizeof(key_codes)/sizeof(key_codes[0])) == SK_NUM_KEYS);
+
+  const char *np = key_names;
+  for (int i=0; i<SK_NUM_KEYS; i++) {
+	labels[0][i].create_texture(np);
+	np += strlen(np)+1;
+	if (key_codes[i]>8192) {
+	  labels[1][i].create_texture(np);
+	  np += strlen(np)+1;
+	}
+  }
+}
+
+void SoftKeyboard::draw(float x, float y, int transp)
+{
+  float x0;
+  int c = 0;
+  unsigned int txt_alpha_mask = (255-2*transp)<<24;
+  unsigned int bg_alpha_mask = (128-transp)<<24;
+
+  draw_trans_quad(x, y, x+312.0, y+172.0,
+		  bg_alpha_mask|0x8080ff, bg_alpha_mask|0x8080ff,
+		  bg_alpha_mask|0x8080ff, bg_alpha_mask|0x8080ff);
+  x0 = x += 4.0;
+  y += 4.0;
+  for (int i=0; i<SK_NUM_KEYS; i++) {
+	float w = (i == 58? 164.0 : 24.0);
+	unsigned int bg = (i == keySel? bg_alpha_mask|0xffff00 :
+		       bg_alpha_mask|0xc0c0ff);
+	draw_trans_quad(x, y, x+w, y+24.0, bg, bg, bg, bg);
+	if (key_codes[i]<0 && (shiftState & ~key_codes[i]))
+	  labels[0][i].draw(x+2, y+5, txt_alpha_mask|0xffffff, 0.5);
+	else if (key_codes[i]>8192 && (shiftState & Common::KBD_SHIFT))
+	  labels[1][i].draw(x+2, y+5, txt_alpha_mask|0x000000, 0.5);
+	else
+	  labels[0][i].draw(x+2, y+5, txt_alpha_mask|0x000000, 0.5);
+	x += w+4.0;
+	if (++c == 11) {
+	  c = 0;
+	  x = x0;
+	  y += 28.0;
+	}
+  }
+}
+
+int SoftKeyboard::key(int k, byte &shiftFlags)
+{
+  switch(k) {
+  case 1001:
+	if (++keySel == SK_NUM_KEYS)
+	  keySel = 0;
+	break;
+  case 1002:
+	if (--keySel < 0)
+	  keySel = SK_NUM_KEYS - 1;
+	break;
+  case 1003:
+	if (keySel >= 55) {
+	  if (keySel > 58)
+	keySel += 5;
+	  keySel -= 55;
+	} else if (keySel > 47) {
+	  if ((keySel += 6) < 59)
+	keySel = 59;
+	} else
+	  keySel += 11;
+	break;
+  case 1004:
+	if (keySel > 58)
+	  keySel -= 6;
+	else if ((keySel -= 11) < 0)
+	  if ((keySel += 66) > 58)
+	if ((keySel -= 5) < 59)
+	  keySel = 59;
+	break;
+  case 1000:
+  case 13:
+  case 32:
+  case 319:
+	if (key_codes[keySel]<0)
+	  shiftState ^= ~key_codes[keySel];
+	else {
+	  shiftFlags = shiftState;
+	  if (key_codes[keySel] > 8192)
+	return ((shiftState & Common::KBD_SHIFT)? (key_codes[keySel]>>8):
+		key_codes[keySel]) & 0xff;
+	  else
+	return key_codes[keySel];
+	}
+	break;
+  }
+  return 0;
+}
+
+void SoftKeyboard::mouse(int x, int y)
+{
+  os->mouseToSoftKbd(x, y, x, y);
+  if (x >= 0 && x < 11*28 && y >= 0 && y < 6*28 &&
+	 x%28 >= 4 && y%28 >= 4)
+	if ((keySel = 11*(y/28)+(x/28)) > 58)
+	  if ((keySel -= 5) < 59)
+	keySel = 58;
+}