forked from dolphin-emu/dolphin
160 lines
3.6 KiB
C++
160 lines
3.6 KiB
C++
// Copyright 2010 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <cstring>
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#include <X11/XKBlib.h>
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#include "InputCommon/ControllerInterface/Xlib/Xlib.h"
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namespace ciface
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{
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namespace Xlib
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{
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void Init(std::vector<Core::Device*>& devices, void* const hwnd)
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{
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devices.push_back(new KeyboardMouse((Window)hwnd));
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}
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KeyboardMouse::KeyboardMouse(Window window) : m_window(window)
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{
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memset(&m_state, 0, sizeof(m_state));
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m_display = XOpenDisplay(nullptr);
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int min_keycode, max_keycode;
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XDisplayKeycodes(m_display, &min_keycode, &max_keycode);
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// Keyboard Keys
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for (int i = min_keycode; i <= max_keycode; ++i)
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{
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Key *temp_key = new Key(m_display, i, m_state.keyboard);
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if (temp_key->m_keyname.length())
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AddInput(temp_key);
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else
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delete temp_key;
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}
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// Mouse Buttons
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AddInput(new Button(Button1Mask, m_state.buttons));
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AddInput(new Button(Button2Mask, m_state.buttons));
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AddInput(new Button(Button3Mask, m_state.buttons));
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AddInput(new Button(Button4Mask, m_state.buttons));
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AddInput(new Button(Button5Mask, m_state.buttons));
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// Mouse Cursor, X-/+ and Y-/+
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for (int i = 0; i != 4; ++i)
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AddInput(new Cursor(!!(i & 2), !!(i & 1), (&m_state.cursor.x)[!!(i & 2)]));
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}
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KeyboardMouse::~KeyboardMouse()
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{
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XCloseDisplay(m_display);
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}
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void KeyboardMouse::UpdateInput()
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{
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XQueryKeymap(m_display, m_state.keyboard);
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int root_x, root_y, win_x, win_y;
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Window root, child;
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XQueryPointer(m_display, m_window, &root, &child, &root_x, &root_y, &win_x, &win_y, &m_state.buttons);
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// update mouse cursor
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XWindowAttributes win_attribs;
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XGetWindowAttributes(m_display, m_window, &win_attribs);
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// the mouse position as a range from -1 to 1
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m_state.cursor.x = (float)win_x / (float)win_attribs.width * 2 - 1;
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m_state.cursor.y = (float)win_y / (float)win_attribs.height * 2 - 1;
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}
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std::string KeyboardMouse::GetName() const
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{
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return "Keyboard Mouse";
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}
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std::string KeyboardMouse::GetSource() const
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{
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return "Xlib";
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}
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int KeyboardMouse::GetId() const
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{
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return 0;
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}
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KeyboardMouse::Key::Key(Display* const display, KeyCode keycode, const char* keyboard)
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: m_display(display), m_keyboard(keyboard), m_keycode(keycode)
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{
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int i = 0;
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KeySym keysym = 0;
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do
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{
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keysym = XkbKeycodeToKeysym(m_display, keycode, i, 0);
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i++;
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}
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while (keysym == NoSymbol && i < 8);
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// Convert to upper case for the keyname
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if (keysym >= 97 && keysym <= 122)
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keysym -= 32;
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// 0x0110ffff is the top of the unicode character range according
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// to keysymdef.h although it is probably more than we need.
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if (keysym == NoSymbol || keysym > 0x0110ffff ||
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XKeysymToString(keysym) == nullptr)
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m_keyname = std::string();
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else
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m_keyname = std::string(XKeysymToString(keysym));
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}
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ControlState KeyboardMouse::Key::GetState() const
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{
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return (m_keyboard[m_keycode / 8] & (1 << (m_keycode % 8))) != 0;
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}
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ControlState KeyboardMouse::Button::GetState() const
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{
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return ((m_buttons & m_index) != 0);
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}
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ControlState KeyboardMouse::Cursor::GetState() const
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{
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return std::max(0.0f, m_cursor / (m_positive ? 1.0f : -1.0f));
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}
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std::string KeyboardMouse::Key::GetName() const
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{
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return m_keyname;
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}
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std::string KeyboardMouse::Cursor::GetName() const
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{
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static char tmpstr[] = "Cursor ..";
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tmpstr[7] = (char)('X' + m_index);
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tmpstr[8] = (m_positive ? '+' : '-');
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return tmpstr;
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}
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std::string KeyboardMouse::Button::GetName() const
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{
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char button = '0';
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switch (m_index)
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{
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case Button1Mask: button = '1'; break;
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case Button2Mask: button = '2'; break;
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case Button3Mask: button = '3'; break;
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case Button4Mask: button = '4'; break;
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case Button5Mask: button = '5'; break;
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}
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static char tmpstr[] = "Click .";
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tmpstr[6] = button;
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return tmpstr;
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}
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}
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}
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