From: Mikko Rasa Date: Tue, 30 Aug 2011 18:00:29 +0000 (+0300) Subject: Discard the EventSource abstraction X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=5d688fbf457b1f4d3bebde431a7f58c898be584c;p=libs%2Fgui.git Discard the EventSource abstraction Instead handle native input event directly in Keyboard and Mouse --- diff --git a/source/graphics/eventsource.h b/source/graphics/eventsource.h deleted file mode 100644 index 3da2e94..0000000 --- a/source/graphics/eventsource.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef MSP_GRAPHICS_EVENTSOURCE_H_ -#define MSP_GRAPHICS_EVENTSOURCE_H_ - -namespace Msp { -namespace Graphics { - -class EventSource -{ -public: - sigc::signal signal_key_press; - sigc::signal signal_key_release; - sigc::signal signal_button_press; - sigc::signal signal_button_release; - sigc::signal signal_pointer_motion; - sigc::signal signal_resize; - -protected: - EventSource() { } -public: - virtual ~EventSource() { } - - virtual unsigned get_width() const = 0; - virtual unsigned get_height() const = 0; -}; - -} // namespace Graphics -} // namespace Msp - -#endif diff --git a/source/graphics/window.cpp b/source/graphics/window.cpp index 199f526..a1353ac 100644 --- a/source/graphics/window.cpp +++ b/source/graphics/window.cpp @@ -9,6 +9,7 @@ #include #endif #include +#include #include "display.h" #include "window.h" #include "display_priv.h" @@ -368,47 +369,23 @@ void Window::hide() bool Window::event(const Event &evnt) { #ifdef WIN32 - WPARAM wp = evnt.wparam; - LPARAM lp = evnt.lparam; switch(evnt.msg) { case WM_KEYDOWN: - signal_key_press.emit(wp, 0, wp); - break; case WM_KEYUP: - signal_key_release.emit(wp, 0); - break; case WM_LBUTTONDOWN: - signal_button_press.emit(GET_X_LPARAM(lp), GET_Y_LPARAM(lp), 1, 0); - break; case WM_LBUTTONUP: - signal_button_release.emit(GET_X_LPARAM(lp), GET_Y_LPARAM(lp), 1, 0); - break; case WM_MBUTTONDOWN: - signal_button_press.emit(GET_X_LPARAM(lp), GET_Y_LPARAM(lp), 2, 0); - break; case WM_MBUTTONUP: - signal_button_release.emit(GET_X_LPARAM(lp), GET_Y_LPARAM(lp), 2, 0); - break; case WM_RBUTTONDOWN: - signal_button_press.emit(GET_X_LPARAM(lp), GET_Y_LPARAM(lp), 3, 0); - break; case WM_RBUTTONUP: - signal_button_release.emit(GET_X_LPARAM(lp), GET_Y_LPARAM(lp), 3, 0); - break; case WM_MOUSEWHEEL: - { - unsigned btn = (HIWORD(wp)&0x8000) ? 5 : 4; - signal_button_press.emit(GET_X_LPARAM(lp), GET_Y_LPARAM(lp), btn, 0); - signal_button_release.emit(GET_X_LPARAM(lp), GET_Y_LPARAM(lp), btn, 0); - } - break; case WM_MOUSEMOVE: - signal_pointer_motion.emit(GET_X_LPARAM(lp), GET_Y_LPARAM(lp)); + signal_input_event.emit(evnt); break; case WM_SIZE: - options.width = LOWORD(lp); - options.height = HIWORD(lp); + options.width = LOWORD(evnt.lparam); + options.height = HIWORD(evnt.lparam); signal_resize.emit(options.width, options.height); break; case WM_CLOSE: @@ -422,24 +399,11 @@ bool Window::event(const Event &evnt) switch(ev.type) { case ButtonPress: - signal_button_press.emit(ev.xbutton.x, ev.xbutton.y, ev.xbutton.button, ev.xbutton.state); - break; case ButtonRelease: - signal_button_release.emit(ev.xbutton.x, ev.xbutton.y, ev.xbutton.button, ev.xbutton.state); - break; case MotionNotify: - signal_pointer_motion.emit(ev.xmotion.x, ev.xmotion.y); - break; case KeyPress: - { - char buf[16]; - XLookupString(const_cast(&ev.xkey), buf, sizeof(buf), 0, 0); - // XXX Handle the result according to locale - signal_key_press.emit(XKeycodeToKeysym(display.get_private().display, ev.xkey.keycode, 0), ev.xkey.state, buf[0]); - } - break; case KeyRelease: - signal_key_release.emit(XKeycodeToKeysym(display.get_private().display, ev.xkey.keycode, 0), ev.xkey.state); + signal_input_event.emit(evnt); break; case ConfigureNotify: if((ev.xconfigure.width==static_cast(options.width) && ev.xconfigure.height==static_cast(options.height)) == resizing) diff --git a/source/graphics/window.h b/source/graphics/window.h index 38b9217..942fc8c 100644 --- a/source/graphics/window.h +++ b/source/graphics/window.h @@ -3,7 +3,6 @@ #include #include -#include "eventsource.h" namespace Msp { namespace Graphics { @@ -20,12 +19,18 @@ struct WindowOptions WindowOptions(); }; -class Window: public EventSource +class Window { public: struct Private; struct Event; + /** Provides input events. The event structure contents are platform- + specific. Applications will want to use the enclosed Keyboard and Mouse + objects instead. */ + sigc::signal signal_input_event; + + sigc::signal signal_resize; sigc::signal signal_close; protected: diff --git a/source/input/keyboard.cpp b/source/input/keyboard.cpp index 02ff12e..ea66cf2 100644 --- a/source/input/keyboard.cpp +++ b/source/input/keyboard.cpp @@ -2,8 +2,12 @@ #include #else #include +#include #endif #include +#include +#include +#include #include #include "keyboard.h" #include "keys.h" @@ -13,15 +17,14 @@ namespace Msp { namespace Input { -Keyboard::Keyboard(Graphics::EventSource &s): - source(s) +Keyboard::Keyboard(Graphics::Window &w): + window(w) { name = "Keyboard"; buttons.resize(N_KEYS_, false); - source.signal_key_press.connect(sigc::mem_fun(this, &Keyboard::key_press)); - source.signal_key_release.connect(sigc::mem_fun(this, &Keyboard::key_release)); + window.signal_input_event.connect(sigc::mem_fun(this, &Keyboard::input_event)); } std::string Keyboard::get_button_name(unsigned btn) const @@ -42,14 +45,39 @@ std::string Keyboard::get_button_name(unsigned btn) const #endif } -void Keyboard::key_press(unsigned key, unsigned, unsigned) +void Keyboard::input_event(const Graphics::Window::Event &event) { - set_button_state(key_from_sys(key), true, true); -} - -void Keyboard::key_release(unsigned key, unsigned) -{ - set_button_state(key_from_sys(key), false, true); +#ifdef WIN32 + switch(event.msg) + { + case WM_KEYDOWN: + case WM_KEYUP: + set_button_state(key_from_sys(event.wparam), event.msg==WM_KEYDOWN, true); + break; + case WM_CHAR: + signal_character.emit(event.wparam); + break; + } +#else + switch(event.xevent.type) + { + case KeyPress: + case KeyRelease: + { + KeySym keysym = XKeycodeToKeysym(window.get_display().get_private().display, event.xevent.xkey.keycode, 0); + if(keysym!=NoSymbol) + set_button_state(key_from_sys(keysym), event.xevent.type==KeyPress, true); + if(event.xevent.type==KeyPress) + { + char ch; + if(XLookupString(const_cast(&event.xevent.xkey), &ch, 1, 0, 0)) + // XLookupString always returns Latin-1 + signal_character.emit(static_cast(ch)); + } + } + break; + } +#endif } } // namespace Input diff --git a/source/input/keyboard.h b/source/input/keyboard.h index 3e5b6b8..822de31 100644 --- a/source/input/keyboard.h +++ b/source/input/keyboard.h @@ -2,6 +2,7 @@ #define MSP_INPUT_KEYBOARD_H_ #include +#include #include "device.h" namespace Msp { @@ -13,16 +14,18 @@ are translated to platform-independent values. See keys.h for a list. */ class Keyboard: public Device { +public: + sigc::signal signal_character; + private: - Graphics::EventSource &source; + Graphics::Window &window; public: - Keyboard(Graphics::EventSource &); + Keyboard(Graphics::Window &); virtual std::string get_button_name(unsigned) const; private: - void key_press(unsigned, unsigned, unsigned); - void key_release(unsigned, unsigned); + void input_event(const Graphics::Window::Event &); }; } // namespace Input diff --git a/source/input/mouse.cpp b/source/input/mouse.cpp index 37ace56..476275f 100644 --- a/source/input/mouse.cpp +++ b/source/input/mouse.cpp @@ -1,20 +1,20 @@ +#include +#include #include #include "mouse.h" namespace Msp { namespace Input { -Mouse::Mouse(Graphics::EventSource &s): - source(s) +Mouse::Mouse(Graphics::Window &w): + window(w) { name = "Mouse"; buttons.resize(3); axes.resize(2); - source.signal_button_press.connect(sigc::mem_fun(this, &Mouse::button_press)); - source.signal_button_release.connect(sigc::mem_fun(this, &Mouse::button_release)); - source.signal_pointer_motion.connect(sigc::mem_fun(this, &Mouse::pointer_motion)); + window.signal_input_event.connect(sigc::mem_fun(this, &Mouse::input_event)); } std::string Mouse::get_button_name(unsigned btn) const @@ -49,20 +49,48 @@ std::string Mouse::get_axis_name(unsigned axis) const }; } -void Mouse::button_press(int, int, unsigned btn, unsigned) +void Mouse::input_event(const Graphics::Window::Event &event) { - set_button_state(btn, true, true); -} - -void Mouse::button_release(int, int, unsigned btn, unsigned) -{ - set_button_state(btn, false, true); -} - -void Mouse::pointer_motion(int x, int y) -{ - set_axis_value(0, x*2.0f/source.get_width()-1.0f, true); - set_axis_value(1, 1.0f-y*2.0f/source.get_height(), true); +#ifdef WIN32 + switch(event.msg) + { + case WM_LBUTTONDOWN: + case WM_LBUTTONUP: + set_button_state(1, event.msg==WM_LBUTTONDOWN, true); + break; + case WM_MBUTTONDOWN: + case WM_MBUTTONUP: + set_button_state(2, event.msg==WM_LBUTTONDOWN, true); + break; + case WM_RBUTTONDOWN: + case WM_RBUTTONUP: + set_button_state(3, event.msg==WM_LBUTTONDOWN, true); + break; + case WM_MOUSEWHEEL: + { + unsigned btn = (HIWORD(wp)&0x8000) ? 5 : 4; + set_button_state(btn, true, true); + set_button_state(btn, false, true); + } + break; + case WM_MOUSEMOVE: + set_axis_value(0, GET_X_LPARAM(event.lparam)*2.0/window.get_width()-1.0, true); + set_axis_value(1, 1.0-GET_Y_LPARAM(event.lparam)*2.0/window.get_height(), true); + break; + } +#else + switch(event.xevent.type) + { + case ButtonPress: + case ButtonRelease: + set_button_state(event.xevent.xbutton.button, event.xevent.type==ButtonPress, true); + break; + case MotionNotify: + set_axis_value(0, event.xevent.xmotion.x*2.0/window.get_width()-1.0, true); + set_axis_value(1, 1.0-event.xevent.xmotion.y*2.0/window.get_height(), true); + break; + } +#endif } } // namespace Input diff --git a/source/input/mouse.h b/source/input/mouse.h index 5f7e714..c85d8d2 100644 --- a/source/input/mouse.h +++ b/source/input/mouse.h @@ -16,16 +16,14 @@ Note: Y axis grows upwards. class Mouse: public Device { private: - Graphics::EventSource &source; + Graphics::Window &window; public: - Mouse(Graphics::EventSource &); + Mouse(Graphics::Window &); virtual std::string get_button_name(unsigned) const; virtual std::string get_axis_name(unsigned) const; private: - void button_press(int, int, unsigned, unsigned); - void button_release(int, int, unsigned, unsigned); - void pointer_motion(int, int); + void input_event(const Graphics::Window::Event &); }; } // namespace Input