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https://github.com/libretro/scummvm.git
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88 lines
2.7 KiB
C++
88 lines
2.7 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef BACKEND_EVENTS_SDL_LEGACY_H
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#define BACKEND_EVENTS_SDL_LEGACY_H
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#include "backends/events/sdl/sdl-events.h"
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// multiplier used to increase resolution for keyboard/joystick mouse
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#define MULTIPLIER 16
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class LegacySdlEventSource : public SdlEventSource {
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public:
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LegacySdlEventSource();
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bool pollEvent(Common::Event &event) override;
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void checkScreenChange();
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protected:
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/** @name Keyboard mouse emulation
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* Disabled by fingolfin 2004-12-18.
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* I am keeping the rest of the code in for now, since the joystick
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* code (or rather, "hack") uses it, too.
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*/
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//@{
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struct KbdMouse {
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int32 x, y;
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int16 x_vel, y_vel, x_max, y_max, x_down_count, y_down_count, joy_x, joy_y;
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uint32 last_time, delay_time, x_down_time, y_down_time;
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bool modifier;
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};
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KbdMouse _km;
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virtual void updateKbdMouse();
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virtual bool handleKbdMouse(Common::Event &event);
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//@}
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bool handleMouseMotion(SDL_Event &ev, Common::Event &event) override;
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bool handleMouseButtonDown(SDL_Event &ev, Common::Event &event) override;
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bool handleMouseButtonUp(SDL_Event &ev, Common::Event &event) override;
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bool handleJoyAxisMotion(SDL_Event &ev, Common::Event &event) override;
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#if SDL_VERSION_ATLEAST(2, 0, 0)
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bool handleControllerButton(const SDL_Event &ev, Common::Event &event, bool buttonUp) override;
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bool handleControllerAxisMotion(const SDL_Event &ev, Common::Event &event) override;
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#endif
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/**
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* Update the virtual mouse according to a joystick or game controller axis position change
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*/
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virtual bool handleAxisToMouseMotion(int16 xAxis, int16 yAxis);
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/**
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* Compute the virtual mouse movement speed factor according to the 'kbdmouse_speed' setting.
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* The speed factor is scaled with the display size.
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*/
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int16 computeJoystickMouseSpeedFactor() const;
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/**
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* Resets keyboard emulation after a video screen change
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*/
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void resetKeyboardEmulation(int16 x_max, int16 y_max);
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};
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#endif
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