3 This file is part of libmspgbase
4 Copyright © 2007 Mikko Rasa, Mikkosoft Productions
5 Distributed under the LGPL
10 #include <msp/core/error.h>
17 DisplayOptions::DisplayOptions():
25 Initializes the class but does not open the window. Intended for use by
33 Window::Window(unsigned w, unsigned h)
41 Window::Window(const DisplayOptions &dopt):
50 XDestroyWindow(display, window);
52 XCloseDisplay(display);
57 XMapRaised(display, window);
62 XUnmapWindow(display, window);
69 int pending=XPending(display);
73 for(int i=0; i<pending; ++i)
76 XNextEvent(display, &event);
82 void Window::prepare()
84 if(options.display.empty())
85 display=XOpenDisplay(0);
87 display=XOpenDisplay(options.display.c_str());
89 throw Exception("Couldn't open X display");
91 wm_delete_window=XInternAtom(display, "WM_DELETE_WINDOW", true);
93 /* Throwing from the error handler doesn't work too well and I don't know
94 how to dig up all the information that Xlib gives by default, so disable
95 custom error handling for now. */
96 //XSetErrorHandler(x_error_handler);
99 void Window::set_window(Handle wnd)
103 XSelectInput(display, window, ButtonPressMask|ButtonReleaseMask|PointerMotionMask|KeyPressMask|KeyReleaseMask|StructureNotifyMask);
105 XSetWMProtocols(display, window, &wm_delete_window, 1);
112 Handle wnd=XCreateWindow(display, DefaultRootWindow(display), 0, 0, options.width, options.height, 0, CopyFromParent, InputOutput, CopyFromParent, 0, 0);
116 void Window::process_event(const XEvent &event)
121 signal_button_press.emit(event.xbutton.x, event.xbutton.y, event.xbutton.button, event.xbutton.state);
124 signal_button_release.emit(event.xbutton.x, event.xbutton.y, event.xbutton.button, event.xbutton.state);
127 signal_pointer_motion.emit(event.xmotion.x, event.xmotion.y);
132 XLookupString(const_cast<XKeyEvent *>(&event.xkey), buf, sizeof(buf), 0, 0);
133 // XXX Handle the result according to locale
134 signal_key_press.emit(event.xkey.keycode, event.xkey.state, buf[0]);
138 signal_key_release.emit(event.xkey.keycode, event.xkey.state);
140 case ConfigureNotify:
141 options.width=event.xconfigure.width;
142 options.height=event.xconfigure.height;
143 signal_resize.emit(options.width, options.height);
146 if(event.xclient.data.l[0]==static_cast<long>(wm_delete_window))
155 int Window::x_error_handler(Display *display, XErrorEvent *error)
158 XGetErrorText(display, error->error_code, buf, sizeof(buf));
159 /*string request_code=lexical_cast(error->request_code);
161 XGetErrorDatabaseText(display, "XRequest", request_code.c_str(), buf, buf2, sizeof(buf2));*/
162 throw Exception(buf);