Initial input management rewrite

src/os/linux/Input.cpp

@@ -0,0 +1,239 @@
+/*
+Copyright (c) 2012 Daniele Bartolini, Simone Boscaratto
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/XKBlib.h>
+#include "Keyboard.h"
+#include "OS.h"
+
+namespace crown
+{
+
+namespace os
+{
+
+//-----------------------------------------------------------------------------
+extern Display*		display;
+extern Window		window;
+
+static bool			x11_detectable_autorepeat = false;
+static Cursor		x11_hidden_cursor = None;
+
+//-----------------------------------------------------------------------------
+static void x11_create_hidden_cursor()
+{
+	// Build hidden cursor
+	Pixmap bm_no;
+	XColor black, dummy;
+	Colormap colormap;
+	static char no_data[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+
+	colormap = DefaultColormap(display, DefaultScreen(display));
+	XAllocNamedColor(display, colormap, "black", &black, &dummy);
+	bm_no = XCreateBitmapFromData(display, window, no_data, 8, 8);
+	x11_hidden_cursor = XCreatePixmapCursor(display, bm_no, bm_no, &black, &black, 0, 0);
+}
+
+//-----------------------------------------------------------------------------
+static Key x11_translate_key(int x11_key)
+{
+	if ((x11_key > 0x40 && x11_key < 0x5B) || (x11_key > 0x60 && x11_key < 0x7B) || (x11_key > 0x2F && x11_key < 0x3A))
+	{
+		return (Key)x11_key;
+	}
+
+	switch (x11_key)
+	{
+		case XK_BackSpace:	return KC_BACKSPACE;
+		case XK_Tab:		return KC_TAB;
+		case XK_space:		return KC_SPACE;
+		case XK_Escape:		return KC_ESCAPE;
+		case XK_Return:		return KC_ENTER;
+		case XK_F1:			return KC_F1;
+		case XK_F2:			return KC_F2;
+		case XK_F3:			return KC_F3;
+		case XK_F4:			return KC_F4;
+		case XK_F5:			return KC_F5;
+		case XK_F6:			return KC_F6;
+		case XK_F7:			return KC_F7;
+		case XK_F8:			return KC_F8;
+		case XK_F9:			return KC_F9;
+		case XK_F10:		return KC_F10;
+		case XK_F11:		return KC_F11;
+		case XK_F12:		return KC_F12;
+		case XK_Home:		return KC_HOME;
+		case XK_Left:		return KC_LEFT;
+		case XK_Up:			return KC_UP;
+		case XK_Right:		return KC_RIGHT;
+		case XK_Down:		return KC_DOWN;
+		case XK_Page_Up:	return KC_PAGE_UP;
+		case XK_Page_Down:	return KC_PAGE_DOWN;
+		case XK_Shift_L:	return KC_LSHIFT;
+		case XK_Shift_R:	return KC_RSHIFT;
+		case XK_Control_L:	return KC_LCONTROL;
+		case XK_Control_R:	return KC_RCONTROL;
+		case XK_Caps_Lock:	return KC_CAPS_LOCK;
+		case XK_Alt_L:		return KC_LALT;
+		case XK_Alt_R:		return KC_RALT;
+		case XK_Super_L:	return KC_LSUPER;
+		case XK_Super_R:	return KC_RSUPER;
+		case XK_KP_0:		return KC_KP_0;
+		case XK_KP_1:		return KC_KP_1;
+		case XK_KP_2:		return KC_KP_2;
+		case XK_KP_3:		return KC_KP_3;
+		case XK_KP_4:		return KC_KP_4;
+		case XK_KP_5:		return KC_KP_5;
+		case XK_KP_6:		return KC_KP_6;
+		case XK_KP_7:		return KC_KP_7;
+		case XK_KP_8:		return KC_KP_8;
+		case XK_KP_9:		return KC_KP_9;
+		default:			return KC_NOKEY;
+	}
+}
+
+//-----------------------------------------------------------------------------
+void init_input()
+{
+	// We want to track keyboard and mouse events
+	XSelectInput(display, window, KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask);
+
+	// Check presence of detectable autorepeat
+	Bool detectable;
+	x11_detectable_autorepeat = (bool) XkbSetDetectableAutoRepeat(display, true, &detectable);
+
+	x11_create_hidden_cursor();
+}
+
+//-----------------------------------------------------------------------------
+void event_loop()
+{
+	XEvent event;
+
+	while (XPending(display))
+	{
+		XNextEvent(display, &event);
+
+		switch (event.type)
+		{
+//			case ConfigureNotify:
+//			{
+//				_NotifyMetricsChange(event.xconfigure.x, event.xconfigure.y,
+//										event.xconfigure.width, event.xconfigure.height);
+//				break;
+//			}
+			case ButtonPress:
+			case ButtonRelease:
+			{
+				OSEventType oset_type = event.type == ButtonPress ? OSET_BUTTON_PRESS : OSET_BUTTON_RELEASE;
+
+				switch (event.xbutton.button)
+				{
+					case Button1:
+					{
+						push_event(oset_type, event.xbutton.x, event.xbutton.y, 0, 0);
+						break;
+					}
+					case Button2:
+					{
+						push_event(oset_type, event.xbutton.x, event.xbutton.y, 1, 0);
+						break;
+					}
+					case Button3:
+					{
+						push_event(oset_type, event.xbutton.x, event.xbutton.y, 2, 0);
+						break;
+					}
+				}
+
+				break;
+			}
+			case MotionNotify:
+			{
+				push_event(OSET_MOTION_NOTIFY, event.xbutton.x, event.xbutton.y, 0, 0);
+				break;
+			}
+			case KeyPress:
+			case KeyRelease:
+			{
+				char string[4] = {0, 0, 0, 0};
+				int len = -1;
+				KeySym key;
+
+				len = XLookupString(&event.xkey, string, 4, &key, NULL);
+
+				Key kc = x11_translate_key(key);
+
+//				// Check if any modifier key is pressed or released
+//				if (kc == KC_LSHIFT || kc == KC_RSHIFT)
+//				{
+//					(event.type == KeyPress) ? mModifierMask |= MK_SHIFT : mModifierMask &= ~MK_SHIFT;
+//				}
+//				else if (kc == KC_LCONTROL || kc == KC_RCONTROL)
+//				{
+//					(event.type == KeyPress) ? mModifierMask |= MK_CTRL : mModifierMask &= ~MK_CTRL;
+//				}
+//				else if (kc == KC_LALT || kc == KC_RALT)
+//				{
+//					(event.type == KeyPress) ? mModifierMask |= MK_ALT : mModifierMask &= ~MK_ALT;
+//				}
+
+				OSEventType oset_type = event.type == KeyPress ? OSET_KEY_PRESS : OSET_KEY_RELEASE;
+
+				push_event(oset_type, kc, 0, 0, 0);
+
+//				// Text input part
+//				if (event.type == KeyPress && len > 0)
+//				{
+//					//crownEvent.event_type = ET_TEXT;
+//					//crownEvent.text.type = TET_TEXT_INPUT;
+//					strncpy(keyboardEvent.text, string, 4);
+
+//					if (mListener)
+//					{
+//						mListener->TextInput(keyboardEvent);
+//					}
+//				}
+
+				break;
+			}
+			case KeymapNotify:
+			{
+				XRefreshKeyboardMapping(&event.xmapping);
+				break;
+			}
+			default:
+			{
+				break;
+			}
+		}
+	}
+}
+
+
+} // namespace os
+
+} // namespace crown
+