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//////////////////////////////////////////////////////////// | |
// Headers | |
//////////////////////////////////////////////////////////// | |
#include <cstdio> | |
#include <SFML/Window.hpp> | |
#include <SFML/OpenGL.hpp> | |
//////////////////////////////////////////////////////////// | |
/// Entry point of application | |
/// | |
/// \return Application exit code | |
/// | |
//////////////////////////////////////////////////////////// | |
int main() | |
{ | |
// Request a 32-bits depth buffer when creating the window | |
sf::ContextSettings contextSettings; | |
contextSettings.depthBits = 32; | |
// Create the main window | |
sf::Window window(sf::VideoMode(640, 480), "SFML window with OpenGL", sf::Style::Default, contextSettings); | |
// Make it the active window for OpenGL calls | |
window.setActive(); | |
// Set the color and depth clear values | |
glClearDepth(1.f); | |
glClearColor(0.f, 0.f, 0.f, 1.f); | |
// Enable Z-buffer read and write | |
glEnable(GL_DEPTH_TEST); | |
glDepthMask(GL_TRUE); | |
// Disable lighting and texturing | |
glDisable(GL_LIGHTING); | |
glDisable(GL_TEXTURE_2D); | |
// Configure the viewport (the same size as the window) | |
glViewport(0, 0, window.getSize().x, window.getSize().y); | |
// Setup a perspective projection | |
glMatrixMode(GL_PROJECTION); | |
glLoadIdentity(); | |
GLfloat ratio = static_cast<float>(window.getSize().x) / window.getSize().y; | |
glFrustum(-ratio, ratio, -1.f, 1.f, 1.f, 500.f); | |
// Define a 3D cube (6 faces made of 2 triangles composed by 3 vertices) | |
GLfloat cube[] = | |
{ | |
// positions // colors (r, g, b, a) | |
-50, -50, -50, 0, 0, 1, 1, | |
-50, 50, -50, 0, 0, 1, 1, | |
-50, -50, 50, 0, 0, 1, 1, | |
-50, -50, 50, 0, 0, 1, 1, | |
-50, 50, -50, 0, 0, 1, 1, | |
-50, 50, 50, 0, 0, 1, 1, | |
50, -50, -50, 0, 1, 0, 1, | |
50, 50, -50, 0, 1, 0, 1, | |
50, -50, 50, 0, 1, 0, 1, | |
50, -50, 50, 0, 1, 0, 1, | |
50, 50, -50, 0, 1, 0, 1, | |
50, 50, 50, 0, 1, 0, 1, | |
-50, -50, -50, 1, 0, 0, 1, | |
50, -50, -50, 1, 0, 0, 1, | |
-50, -50, 50, 1, 0, 0, 1, | |
-50, -50, 50, 1, 0, 0, 1, | |
50, -50, -50, 1, 0, 0, 1, | |
50, -50, 50, 1, 0, 0, 1, | |
-50, 50, -50, 0, 1, 1, 1, | |
50, 50, -50, 0, 1, 1, 1, | |
-50, 50, 50, 0, 1, 1, 1, | |
-50, 50, 50, 0, 1, 1, 1, | |
50, 50, -50, 0, 1, 1, 1, | |
50, 50, 50, 0, 1, 1, 1, | |
-50, -50, -50, 1, 0, 1, 1, | |
50, -50, -50, 1, 0, 1, 1, | |
-50, 50, -50, 1, 0, 1, 1, | |
-50, 50, -50, 1, 0, 1, 1, | |
50, -50, -50, 1, 0, 1, 1, | |
50, 50, -50, 1, 0, 1, 1, | |
-50, -50, 50, 1, 1, 0, 1, | |
50, -50, 50, 1, 1, 0, 1, | |
-50, 50, 50, 1, 1, 0, 1, | |
-50, 50, 50, 1, 1, 0, 1, | |
50, -50, 50, 1, 1, 0, 1, | |
50, 50, 50, 1, 1, 0, 1, | |
}; | |
// Enable position and color vertex components | |
glEnableClientState(GL_VERTEX_ARRAY); | |
glEnableClientState(GL_COLOR_ARRAY); | |
glVertexPointer(3, GL_FLOAT, 7 * sizeof(GLfloat), cube); | |
glColorPointer(4, GL_FLOAT, 7 * sizeof(GLfloat), cube + 3); | |
// Disable normal and texture coordinates vertex components | |
glDisableClientState(GL_NORMAL_ARRAY); | |
glDisableClientState(GL_TEXTURE_COORD_ARRAY); | |
// Create a clock for measuring the time elapsed | |
sf::Clock clock; | |
// Start the game loop | |
while (window.isOpen()) | |
{ | |
bool had_event = false; | |
// Process events | |
sf::Event event; | |
while (window.pollEvent(event)) | |
{ | |
// Close window: exit | |
if (event.type == sf::Event::Closed) | |
window.close(); | |
// Escape key: exit | |
if ((event.type == sf::Event::KeyPressed) && (event.key.code == sf::Keyboard::Escape)) | |
window.close(); | |
// Resize event: adjust the viewport | |
if (event.type == sf::Event::Resized) | |
glViewport(0, 0, event.size.width, event.size.height); | |
if(event.type == sf::Event::KeyPressed) | |
{ | |
printf("SFML: [key=%d down=%d]\n", event.key.code, 1); | |
had_event = true; | |
} | |
else if(event.type == sf::Event::KeyReleased) | |
{ | |
printf("SFML: [key=%d down=%d]\n", event.key.code, 0); | |
had_event = true; | |
} | |
} | |
if(had_event) | |
printf("-----------------------\n"); | |
// Clear the color and depth buffers | |
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | |
// Apply some transformations to rotate the cube | |
glMatrixMode(GL_MODELVIEW); | |
glLoadIdentity(); | |
glTranslatef(0.f, 0.f, -200.f); | |
glRotatef(clock.getElapsedTime().asSeconds() * 50, 1.f, 0.f, 0.f); | |
glRotatef(clock.getElapsedTime().asSeconds() * 30, 0.f, 1.f, 0.f); | |
glRotatef(clock.getElapsedTime().asSeconds() * 90, 0.f, 0.f, 1.f); | |
// Draw the cube | |
glDrawArrays(GL_TRIANGLES, 0, 36); | |
// Finally, display the rendered frame on screen | |
window.display(); | |
} | |
return EXIT_SUCCESS; | |
} |
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//////////////////////////////////////////////////////////// | |
// | |
// SFML - Simple and Fast Multimedia Library | |
// Copyright (C) 2007-2013 Laurent Gomila (laurent.gom@gmail.com) | |
// | |
// This software is provided 'as-is', without any express or implied warranty. | |
// In no event will the authors be held liable for any damages arising from the use of this software. | |
// | |
// Permission is granted to anyone to use this software for any purpose, | |
// including commercial applications, and to alter it and redistribute it freely, | |
// subject to the following restrictions: | |
// | |
// 1. The origin of this software must not be misrepresented; | |
// you must not claim that you wrote the original software. | |
// If you use this software in a product, an acknowledgment | |
// in the product documentation would be appreciated but is not required. | |
// | |
// 2. Altered source versions must be plainly marked as such, | |
// and must not be misrepresented as being the original software. | |
// | |
// 3. This notice may not be removed or altered from any source distribution. | |
// | |
//////////////////////////////////////////////////////////// | |
//////////////////////////////////////////////////////////// | |
// Headers | |
//////////////////////////////////////////////////////////// | |
#include <SFML/Window/WindowStyle.hpp> // important to be included first (conflict with None) | |
#include <SFML/Window/Linux/WindowImplX11.hpp> | |
#include <SFML/Window/Linux/Display.hpp> | |
#include <SFML/System/Utf.hpp> | |
#include <SFML/System/Err.hpp> | |
#include <X11/Xutil.h> | |
#include <X11/keysym.h> | |
#include <X11/extensions/Xrandr.h> | |
#include <unistd.h> | |
#include <cstring> | |
#include <sstream> | |
#include <vector> | |
#include <string> | |
#include <iterator> | |
#include <cstdio> | |
//////////////////////////////////////////////////////////// | |
// Private data | |
//////////////////////////////////////////////////////////// | |
namespace | |
{ | |
sf::priv::WindowImplX11* fullscreenWindow = NULL; | |
unsigned long eventMask = FocusChangeMask | ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | | |
PointerMotionMask | KeyPressMask | KeyReleaseMask | StructureNotifyMask | | |
EnterWindowMask | LeaveWindowMask; | |
// Filter the events received by windows (only allow those matching a specific window) | |
Bool checkEvent(::Display*, XEvent* event, XPointer userData) | |
{ | |
// Just check if the event matches the window | |
return event->xany.window == reinterpret_cast< ::Window >(userData); | |
} | |
// Find the name of the current executable | |
const char* findExecutableName() | |
{ | |
char buffer[512]; | |
std::size_t length = readlink("/proc/self/exe", buffer, sizeof(buffer)); | |
if ((length > 0) && (length < sizeof(buffer))) | |
{ | |
// Remove the path to keep the executable name only | |
buffer[length] = '\0'; | |
return basename(buffer); | |
} | |
else | |
{ | |
// Fallback name | |
return "sfml"; | |
} | |
} | |
} | |
namespace sf | |
{ | |
namespace priv | |
{ | |
//////////////////////////////////////////////////////////// | |
WindowImplX11::WindowImplX11(WindowHandle handle) : | |
m_window (0), | |
m_inputMethod (NULL), | |
m_inputContext(NULL), | |
m_isExternal (true), | |
m_atomClose (0), | |
m_oldVideoMode(-1), | |
m_hiddenCursor(0), | |
m_keyRepeat (true), | |
m_previousSize(-1, -1) | |
{ | |
// Open a connection with the X server | |
m_display = OpenDisplay(); | |
m_screen = DefaultScreen(m_display); | |
// Save the window handle | |
m_window = handle; | |
if (m_window) | |
{ | |
// Make sure the window is listening to all the requiered events | |
XSelectInput(m_display, m_window, eventMask & ~ButtonPressMask); | |
// Do some common initializations | |
initialize(); | |
} | |
} | |
//////////////////////////////////////////////////////////// | |
WindowImplX11::WindowImplX11(VideoMode mode, const String& title, unsigned long style) : | |
m_window (0), | |
m_inputMethod (NULL), | |
m_inputContext(NULL), | |
m_isExternal (false), | |
m_atomClose (0), | |
m_oldVideoMode(-1), | |
m_hiddenCursor(0), | |
m_keyRepeat (true), | |
m_previousSize(-1, -1) | |
{ | |
// Open a connection with the X server | |
m_display = OpenDisplay(); | |
m_screen = DefaultScreen(m_display); | |
// Compute position and size | |
int left, top; | |
bool fullscreen = (style & Style::Fullscreen) != 0; | |
if (!fullscreen) | |
{ | |
left = (DisplayWidth(m_display, m_screen) - mode.width) / 2; | |
top = (DisplayHeight(m_display, m_screen) - mode.height) / 2; | |
} | |
else | |
{ | |
left = 0; | |
top = 0; | |
} | |
int width = mode.width; | |
int height = mode.height; | |
// Switch to fullscreen if necessary | |
if (fullscreen) | |
switchToFullscreen(mode); | |
// Define the window attributes | |
XSetWindowAttributes attributes; | |
attributes.event_mask = eventMask; | |
attributes.override_redirect = fullscreen; | |
// Create the window | |
m_window = XCreateWindow(m_display, | |
RootWindow(m_display, m_screen), | |
left, top, | |
width, height, | |
0, | |
DefaultDepth(m_display, m_screen), | |
InputOutput, | |
DefaultVisual(m_display, m_screen), | |
CWEventMask | CWOverrideRedirect, &attributes); | |
if (!m_window) | |
{ | |
err() << "Failed to create window" << std::endl; | |
return; | |
} | |
// Set the window's name | |
setTitle(title); | |
// Set the window's style (tell the windows manager to change our window's decorations and functions according to the requested style) | |
if (!fullscreen) | |
{ | |
Atom WMHintsAtom = XInternAtom(m_display, "_MOTIF_WM_HINTS", false); | |
if (WMHintsAtom) | |
{ | |
static const unsigned long MWM_HINTS_FUNCTIONS = 1 << 0; | |
static const unsigned long MWM_HINTS_DECORATIONS = 1 << 1; | |
//static const unsigned long MWM_DECOR_ALL = 1 << 0; | |
static const unsigned long MWM_DECOR_BORDER = 1 << 1; | |
static const unsigned long MWM_DECOR_RESIZEH = 1 << 2; | |
static const unsigned long MWM_DECOR_TITLE = 1 << 3; | |
static const unsigned long MWM_DECOR_MENU = 1 << 4; | |
static const unsigned long MWM_DECOR_MINIMIZE = 1 << 5; | |
static const unsigned long MWM_DECOR_MAXIMIZE = 1 << 6; | |
//static const unsigned long MWM_FUNC_ALL = 1 << 0; | |
static const unsigned long MWM_FUNC_RESIZE = 1 << 1; | |
static const unsigned long MWM_FUNC_MOVE = 1 << 2; | |
static const unsigned long MWM_FUNC_MINIMIZE = 1 << 3; | |
static const unsigned long MWM_FUNC_MAXIMIZE = 1 << 4; | |
static const unsigned long MWM_FUNC_CLOSE = 1 << 5; | |
struct WMHints | |
{ | |
unsigned long flags; | |
unsigned long functions; | |
unsigned long decorations; | |
long inputMode; | |
unsigned long state; | |
}; | |
WMHints hints; | |
hints.flags = MWM_HINTS_FUNCTIONS | MWM_HINTS_DECORATIONS; | |
hints.decorations = 0; | |
hints.functions = 0; | |
if (style & Style::Titlebar) | |
{ | |
hints.decorations |= MWM_DECOR_BORDER | MWM_DECOR_TITLE | MWM_DECOR_MINIMIZE | MWM_DECOR_MENU; | |
hints.functions |= MWM_FUNC_MOVE | MWM_FUNC_MINIMIZE; | |
} | |
if (style & Style::Resize) | |
{ | |
hints.decorations |= MWM_DECOR_MAXIMIZE | MWM_DECOR_RESIZEH; | |
hints.functions |= MWM_FUNC_MAXIMIZE | MWM_FUNC_RESIZE; | |
} | |
if (style & Style::Close) | |
{ | |
hints.decorations |= 0; | |
hints.functions |= MWM_FUNC_CLOSE; | |
} | |
const unsigned char* ptr = reinterpret_cast<const unsigned char*>(&hints); | |
XChangeProperty(m_display, m_window, WMHintsAtom, WMHintsAtom, 32, PropModeReplace, ptr, 5); | |
} | |
// This is a hack to force some windows managers to disable resizing | |
if (!(style & Style::Resize)) | |
{ | |
XSizeHints* sizeHints = XAllocSizeHints(); | |
sizeHints->flags = PMinSize | PMaxSize; | |
sizeHints->min_width = sizeHints->max_width = width; | |
sizeHints->min_height = sizeHints->max_height = height; | |
XSetWMNormalHints(m_display, m_window, sizeHints); | |
XFree(sizeHints); | |
} | |
} | |
// Set the window's WM class (this can be used by window managers) | |
const char* windowClass = findExecutableName(); | |
XClassHint* classHint = XAllocClassHint(); | |
classHint->res_name = const_cast<char*>(windowClass); | |
classHint->res_class = const_cast<char*>(windowClass); | |
XSetClassHint(m_display, m_window, classHint); | |
XFree(classHint); | |
// Do some common initializations | |
initialize(); | |
// In fullscreen mode, we must grab keyboard and mouse inputs | |
if (fullscreen) | |
{ | |
XGrabPointer(m_display, m_window, true, 0, GrabModeAsync, GrabModeAsync, m_window, None, CurrentTime); | |
XGrabKeyboard(m_display, m_window, true, GrabModeAsync, GrabModeAsync, CurrentTime); | |
} | |
} | |
//////////////////////////////////////////////////////////// | |
WindowImplX11::~WindowImplX11() | |
{ | |
// Cleanup graphical resources | |
cleanup(); | |
// Destroy the cursor | |
if (m_hiddenCursor) | |
XFreeCursor(m_display, m_hiddenCursor); | |
// Destroy the input context | |
if (m_inputContext) | |
XDestroyIC(m_inputContext); | |
// Destroy the window | |
if (m_window && !m_isExternal) | |
{ | |
XDestroyWindow(m_display, m_window); | |
XFlush(m_display); | |
} | |
// Close the input method | |
if (m_inputMethod) | |
XCloseIM(m_inputMethod); | |
// Close the connection with the X server | |
CloseDisplay(m_display); | |
} | |
//////////////////////////////////////////////////////////// | |
WindowHandle WindowImplX11::getSystemHandle() const | |
{ | |
return m_window; | |
} | |
//////////////////////////////////////////////////////////// | |
void WindowImplX11::processEvents() | |
{ | |
XEvent event; | |
while (XCheckIfEvent(m_display, &event, &checkEvent, reinterpret_cast<XPointer>(m_window))) | |
{ | |
processEvent(event); | |
} | |
} | |
//////////////////////////////////////////////////////////// | |
Vector2i WindowImplX11::getPosition() const | |
{ | |
::Window root, child; | |
int localX, localY, x, y; | |
unsigned int width, height, border, depth; | |
XGetGeometry(m_display, m_window, &root, &localX, &localY, &width, &height, &border, &depth); | |
XTranslateCoordinates(m_display, m_window, root, localX, localY, &x, &y, &child); | |
return Vector2i(x, y); | |
} | |
//////////////////////////////////////////////////////////// | |
void WindowImplX11::setPosition(const Vector2i& position) | |
{ | |
XMoveWindow(m_display, m_window, position.x, position.y); | |
XFlush(m_display); | |
} | |
//////////////////////////////////////////////////////////// | |
Vector2u WindowImplX11::getSize() const | |
{ | |
XWindowAttributes attributes; | |
XGetWindowAttributes(m_display, m_window, &attributes); | |
return Vector2u(attributes.width, attributes.height); | |
} | |
//////////////////////////////////////////////////////////// | |
void WindowImplX11::setSize(const Vector2u& size) | |
{ | |
XResizeWindow(m_display, m_window, size.x, size.y); | |
XFlush(m_display); | |
} | |
//////////////////////////////////////////////////////////// | |
void WindowImplX11::setTitle(const String& title) | |
{ | |
// Bare X11 has no Unicode window title support. | |
// There is however an option to tell the window manager your unicode title via hints. | |
// Convert to UTF-8 encoding. | |
std::basic_string<sf::Uint8> utf8Title; | |
sf::Utf32::toUtf8(title.begin(), title.end(), std::back_inserter(utf8Title)); | |
// Set the _NET_WM_NAME atom, which specifies a UTF-8 encoded window title. | |
Atom wmName = XInternAtom(m_display, "_NET_WM_NAME", False); | |
Atom useUtf8 = XInternAtom(m_display, "UTF8_STRING", False); | |
XChangeProperty(m_display, m_window, wmName, useUtf8, 8, | |
PropModeReplace, utf8Title.c_str(), utf8Title.size()); | |
// Set the non-Unicode title as a fallback for window managers who don't support _NET_WM_NAME. | |
XStoreName(m_display, m_window, title.toAnsiString().c_str()); | |
} | |
//////////////////////////////////////////////////////////// | |
void WindowImplX11::setIcon(unsigned int width, unsigned int height, const Uint8* pixels) | |
{ | |
// X11 wants BGRA pixels : swap red and blue channels | |
// Note: this memory will be freed by XDestroyImage | |
Uint8* iconPixels = static_cast<Uint8*>(std::malloc(width * height * 4)); | |
for (std::size_t i = 0; i < width * height; ++i) | |
{ | |
iconPixels[i * 4 + 0] = pixels[i * 4 + 2]; | |
iconPixels[i * 4 + 1] = pixels[i * 4 + 1]; | |
iconPixels[i * 4 + 2] = pixels[i * 4 + 0]; | |
iconPixels[i * 4 + 3] = pixels[i * 4 + 3]; | |
} | |
// Create the icon pixmap | |
Visual* defVisual = DefaultVisual(m_display, m_screen); | |
unsigned int defDepth = DefaultDepth(m_display, m_screen); | |
XImage* iconImage = XCreateImage(m_display, defVisual, defDepth, ZPixmap, 0, (char*)iconPixels, width, height, 32, 0); | |
if (!iconImage) | |
{ | |
err() << "Failed to set the window's icon" << std::endl; | |
return; | |
} | |
Pixmap iconPixmap = XCreatePixmap(m_display, RootWindow(m_display, m_screen), width, height, defDepth); | |
XGCValues values; | |
GC iconGC = XCreateGC(m_display, iconPixmap, 0, &values); | |
XPutImage(m_display, iconPixmap, iconGC, iconImage, 0, 0, 0, 0, width, height); | |
XFreeGC(m_display, iconGC); | |
XDestroyImage(iconImage); | |
// Create the mask pixmap (must have 1 bit depth) | |
std::size_t pitch = (width + 7) / 8; | |
static std::vector<Uint8> maskPixels(pitch * height, 0); | |
for (std::size_t j = 0; j < height; ++j) | |
{ | |
for (std::size_t i = 0; i < pitch; ++i) | |
{ | |
for (std::size_t k = 0; k < 8; ++k) | |
{ | |
if (i * 8 + k < width) | |
{ | |
Uint8 opacity = (pixels[(i * 8 + k + j * width) * 4 + 3] > 0) ? 1 : 0; | |
maskPixels[i + j * pitch] |= (opacity << k); | |
} | |
} | |
} | |
} | |
Pixmap maskPixmap = XCreatePixmapFromBitmapData(m_display, m_window, (char*)&maskPixels[0], width, height, 1, 0, 1); | |
// Send our new icon to the window through the WMHints | |
XWMHints* hints = XAllocWMHints(); | |
hints->flags = IconPixmapHint | IconMaskHint; | |
hints->icon_pixmap = iconPixmap; | |
hints->icon_mask = maskPixmap; | |
XSetWMHints(m_display, m_window, hints); | |
XFree(hints); | |
XFlush(m_display); | |
} | |
//////////////////////////////////////////////////////////// | |
void WindowImplX11::setVisible(bool visible) | |
{ | |
if (visible) | |
XMapWindow(m_display, m_window); | |
else | |
XUnmapWindow(m_display, m_window); | |
XFlush(m_display); | |
} | |
//////////////////////////////////////////////////////////// | |
void WindowImplX11::setMouseCursorVisible(bool visible) | |
{ | |
XDefineCursor(m_display, m_window, visible ? None : m_hiddenCursor); | |
XFlush(m_display); | |
} | |
//////////////////////////////////////////////////////////// | |
void WindowImplX11::setKeyRepeatEnabled(bool enabled) | |
{ | |
m_keyRepeat = enabled; | |
} | |
//////////////////////////////////////////////////////////// | |
void WindowImplX11::switchToFullscreen(const VideoMode& mode) | |
{ | |
// Check if the XRandR extension is present | |
int version; | |
if (XQueryExtension(m_display, "RANDR", &version, &version, &version)) | |
{ | |
// Get the current configuration | |
XRRScreenConfiguration* config = XRRGetScreenInfo(m_display, RootWindow(m_display, m_screen)); | |
if (config) | |
{ | |
// Get the current rotation | |
Rotation currentRotation; | |
m_oldVideoMode = XRRConfigCurrentConfiguration(config, ¤tRotation); | |
// Get the available screen sizes | |
int nbSizes; | |
XRRScreenSize* sizes = XRRConfigSizes(config, &nbSizes); | |
if (sizes && (nbSizes > 0)) | |
{ | |
// Search a matching size | |
for (int i = 0; i < nbSizes; ++i) | |
{ | |
if ((sizes[i].width == static_cast<int>(mode.width)) && (sizes[i].height == static_cast<int>(mode.height))) | |
{ | |
// Switch to fullscreen mode | |
XRRSetScreenConfig(m_display, config, RootWindow(m_display, m_screen), i, currentRotation, CurrentTime); | |
// Set "this" as the current fullscreen window | |
fullscreenWindow = this; | |
break; | |
} | |
} | |
} | |
// Free the configuration instance | |
XRRFreeScreenConfigInfo(config); | |
} | |
else | |
{ | |
// Failed to get the screen configuration | |
err() << "Failed to get the current screen configuration for fullscreen mode, switching to window mode" << std::endl; | |
} | |
} | |
else | |
{ | |
// XRandr extension is not supported : we cannot use fullscreen mode | |
err() << "Fullscreen is not supported, switching to window mode" << std::endl; | |
} | |
} | |
//////////////////////////////////////////////////////////// | |
void WindowImplX11::initialize() | |
{ | |
// Make sure the "last key release" is initialized with invalid values | |
m_lastKeyReleaseEvent.type = -1; | |
m_lastKeyReleaseEvent.xkey.keycode = 0; | |
m_lastKeyReleaseEvent.xkey.time = 0; | |
// Get the atom defining the close event | |
m_atomClose = XInternAtom(m_display, "WM_DELETE_WINDOW", false); | |
XSetWMProtocols(m_display, m_window, &m_atomClose, 1); | |
// Create the input context | |
m_inputMethod = XOpenIM(m_display, NULL, NULL, NULL); | |
if (m_inputMethod) | |
{ | |
m_inputContext = XCreateIC(m_inputMethod, | |
XNClientWindow, m_window, | |
XNFocusWindow, m_window, | |
XNInputStyle, XIMPreeditNothing | XIMStatusNothing, | |
(void*)NULL); | |
} | |
else | |
{ | |
m_inputContext = NULL; | |
} | |
if (!m_inputContext) | |
err() << "Failed to create input context for window -- TextEntered event won't be able to return unicode" << std::endl; | |
// Show the window | |
XMapWindow(m_display, m_window); | |
XFlush(m_display); | |
// Create the hiden cursor | |
createHiddenCursor(); | |
// Flush the commands queue | |
XFlush(m_display); | |
} | |
//////////////////////////////////////////////////////////// | |
void WindowImplX11::createHiddenCursor() | |
{ | |
// Create the cursor's pixmap (1x1 pixels) | |
Pixmap cursorPixmap = XCreatePixmap(m_display, m_window, 1, 1, 1); | |
GC graphicsContext = XCreateGC(m_display, cursorPixmap, 0, NULL); | |
XDrawPoint(m_display, cursorPixmap, graphicsContext, 0, 0); | |
XFreeGC(m_display, graphicsContext); | |
// Create the cursor, using the pixmap as both the shape and the mask of the cursor | |
XColor color; | |
color.flags = DoRed | DoGreen | DoBlue; | |
color.red = color.blue = color.green = 0; | |
m_hiddenCursor = XCreatePixmapCursor(m_display, cursorPixmap, cursorPixmap, &color, &color, 0, 0); | |
// We don't need the pixmap any longer, free it | |
XFreePixmap(m_display, cursorPixmap); | |
} | |
//////////////////////////////////////////////////////////// | |
void WindowImplX11::cleanup() | |
{ | |
// Restore the previous video mode (in case we were running in fullscreen) | |
if (fullscreenWindow == this) | |
{ | |
// Get current screen info | |
XRRScreenConfiguration* config = XRRGetScreenInfo(m_display, RootWindow(m_display, m_screen)); | |
if (config) | |
{ | |
// Get the current rotation | |
Rotation currentRotation; | |
XRRConfigCurrentConfiguration(config, ¤tRotation); | |
// Reset the video mode | |
XRRSetScreenConfig(m_display, config, RootWindow(m_display, m_screen), m_oldVideoMode, currentRotation, CurrentTime); | |
// Free the configuration instance | |
XRRFreeScreenConfigInfo(config); | |
} | |
// Reset the fullscreen window | |
fullscreenWindow = NULL; | |
} | |
// Unhide the mouse cursor (in case it was hidden) | |
setMouseCursorVisible(true); | |
} | |
//////////////////////////////////////////////////////////// | |
bool WindowImplX11::processEvent(XEvent windowEvent) | |
{ | |
// This function implements a workaround to properly discard | |
// repeated key events when necessary. The problem is that the | |
// system's key events policy doesn't match SFML's one: X server will generate | |
// both repeated KeyPress and KeyRelease events when maintaining a key down, while | |
// SFML only wants repeated KeyPress events. Thus, we have to: | |
// - Discard duplicated KeyRelease events when KeyRepeatEnabled is true | |
// - Discard both duplicated KeyPress and KeyRelease events when KeyRepeatEnabled is false | |
// Detect repeated key events | |
if (((windowEvent.type == KeyPress) || (windowEvent.type == KeyRelease)) && (windowEvent.xkey.keycode < 256)) | |
{ | |
// To detect if it is a repeated key event, we check the current state of the key: | |
// - If the state is "down", KeyReleased events must obviously be discarded | |
// - KeyPress events are a little bit harder to handle: they depend on the KeyRepeatEnabled state, | |
// and we need to properly forward the first one | |
// Check if the key is currently down | |
char keys[32]; | |
XQueryKeymap(m_display, keys); | |
bool isDown = keys[windowEvent.xkey.keycode / 8] & (1 << (windowEvent.xkey.keycode % 8)); | |
// Check if it's a duplicate event | |
bool isDuplicate = (windowEvent.xkey.keycode == m_lastKeyReleaseEvent.xkey.keycode) && | |
(windowEvent.xkey.time - m_lastKeyReleaseEvent.xkey.time <= 5); | |
int timediff = windowEvent.xkey.time - m_lastKeyReleaseEvent.xkey.time; | |
bool discard = ((windowEvent.type == KeyRelease) && (isDown || isDuplicate)) || | |
((windowEvent.type == KeyPress) && isDuplicate && !m_keyRepeat); | |
printf("X11: duplicate=%d [keycode=%d mode=%s time=%d] discard=%d\n", isDuplicate ? 1 : 0, | |
windowEvent.xkey.keycode, | |
windowEvent.type == KeyPress ? "down" : "up ", | |
timediff, | |
discard ? 1 : 0); | |
// Keep track of the last KeyRelease event | |
if (windowEvent.type == KeyRelease) | |
m_lastKeyReleaseEvent = windowEvent; | |
// KeyRelease event + key down or duplicate event = repeated event --> discard | |
if ((windowEvent.type == KeyRelease) && (isDown || isDuplicate)) | |
return false; | |
// KeyPress event + matching KeyRelease event = repeated event --> discard if key repeat is disabled | |
if ((windowEvent.type == KeyPress) && isDuplicate && !m_keyRepeat) | |
return false; | |
} | |
// Convert the X11 event to a sf::Event | |
switch (windowEvent.type) | |
{ | |
// Destroy event | |
case DestroyNotify : | |
{ | |
// The window is about to be destroyed : we must cleanup resources | |
cleanup(); | |
break; | |
} | |
// Gain focus event | |
case FocusIn : | |
{ | |
// Update the input context | |
if (m_inputContext) | |
XSetICFocus(m_inputContext); | |
Event event; | |
event.type = Event::GainedFocus; | |
pushEvent(event); | |
break; | |
} | |
// Lost focus event | |
case FocusOut : | |
{ | |
// Update the input context | |
if (m_inputContext) | |
XUnsetICFocus(m_inputContext); | |
Event event; | |
event.type = Event::LostFocus; | |
pushEvent(event); | |
break; | |
} | |
// Resize event | |
case ConfigureNotify : | |
{ | |
// ConfigureNotify can be triggered for other reasons, check if the size has acutally changed | |
if ((windowEvent.xconfigure.width != m_previousSize.x) || (windowEvent.xconfigure.height != m_previousSize.y)) | |
{ | |
Event event; | |
event.type = Event::Resized; | |
event.size.width = windowEvent.xconfigure.width; | |
event.size.height = windowEvent.xconfigure.height; | |
pushEvent(event); | |
m_previousSize.x = windowEvent.xconfigure.width; | |
m_previousSize.y = windowEvent.xconfigure.height; | |
} | |
break; | |
} | |
// Close event | |
case ClientMessage : | |
{ | |
if ((windowEvent.xclient.format == 32) && (windowEvent.xclient.data.l[0]) == static_cast<long>(m_atomClose)) | |
{ | |
Event event; | |
event.type = Event::Closed; | |
pushEvent(event); | |
} | |
break; | |
} | |
// Key down event | |
case KeyPress : | |
{ | |
// Get the keysym of the key that has been pressed | |
static XComposeStatus keyboard; | |
char buffer[32]; | |
KeySym symbol; | |
XLookupString(&windowEvent.xkey, buffer, sizeof(buffer), &symbol, &keyboard); | |
// Fill the event parameters | |
// TODO: if modifiers are wrong, use XGetModifierMapping to retrieve the actual modifiers mapping | |
Event event; | |
event.type = Event::KeyPressed; | |
event.key.code = keysymToSF(symbol); | |
event.key.alt = windowEvent.xkey.state & Mod1Mask; | |
event.key.control = windowEvent.xkey.state & ControlMask; | |
event.key.shift = windowEvent.xkey.state & ShiftMask; | |
event.key.system = windowEvent.xkey.state & Mod4Mask; | |
pushEvent(event); | |
// Generate a TextEntered event | |
if (!XFilterEvent(&windowEvent, None)) | |
{ | |
#ifdef X_HAVE_UTF8_STRING | |
if (m_inputContext) | |
{ | |
Status status; | |
Uint8 keyBuffer[16]; | |
int length = Xutf8LookupString(m_inputContext, &windowEvent.xkey, reinterpret_cast<char*>(keyBuffer), sizeof(keyBuffer), NULL, &status); | |
if (length > 0) | |
{ | |
Uint32 unicode = 0; | |
Utf8::decode(keyBuffer, keyBuffer + length, unicode, 0); | |
if (unicode != 0) | |
{ | |
Event textEvent; | |
textEvent.type = Event::TextEntered; | |
textEvent.text.unicode = unicode; | |
pushEvent(textEvent); | |
} | |
} | |
} | |
else | |
#endif | |
{ | |
static XComposeStatus status; | |
char keyBuffer[16]; | |
if (XLookupString(&windowEvent.xkey, keyBuffer, sizeof(keyBuffer), NULL, &status)) | |
{ | |
Event textEvent; | |
textEvent.type = Event::TextEntered; | |
textEvent.text.unicode = static_cast<Uint32>(keyBuffer[0]); | |
pushEvent(textEvent); | |
} | |
} | |
} | |
break; | |
} | |
// Key up event | |
case KeyRelease : | |
{ | |
// Get the keysym of the key that has been pressed | |
char buffer[32]; | |
KeySym symbol; | |
XLookupString(&windowEvent.xkey, buffer, 32, &symbol, NULL); | |
// Fill the event parameters | |
Event event; | |
event.type = Event::KeyReleased; | |
event.key.code = keysymToSF(symbol); | |
event.key.alt = windowEvent.xkey.state & Mod1Mask; | |
event.key.control = windowEvent.xkey.state & ControlMask; | |
event.key.shift = windowEvent.xkey.state & ShiftMask; | |
event.key.system = windowEvent.xkey.state & Mod4Mask; | |
pushEvent(event); | |
break; | |
} | |
// Mouse button pressed | |
case ButtonPress : | |
{ | |
unsigned int button = windowEvent.xbutton.button; | |
if ((button == Button1) || (button == Button2) || (button == Button3) || (button == 8) || (button == 9)) | |
{ | |
Event event; | |
event.type = Event::MouseButtonPressed; | |
event.mouseButton.x = windowEvent.xbutton.x; | |
event.mouseButton.y = windowEvent.xbutton.y; | |
switch (button) | |
{ | |
case Button1 : event.mouseButton.button = Mouse::Left; break; | |
case Button2 : event.mouseButton.button = Mouse::Middle; break; | |
case Button3 : event.mouseButton.button = Mouse::Right; break; | |
case 8 : event.mouseButton.button = Mouse::XButton1; break; | |
case 9 : event.mouseButton.button = Mouse::XButton2; break; | |
} | |
pushEvent(event); | |
} | |
break; | |
} | |
// Mouse button released | |
case ButtonRelease : | |
{ | |
unsigned int button = windowEvent.xbutton.button; | |
if ((button == Button1) || (button == Button2) || (button == Button3) || (button == 8) || (button == 9)) | |
{ | |
Event event; | |
event.type = Event::MouseButtonReleased; | |
event.mouseButton.x = windowEvent.xbutton.x; | |
event.mouseButton.y = windowEvent.xbutton.y; | |
switch (button) | |
{ | |
case Button1 : event.mouseButton.button = Mouse::Left; break; | |
case Button2 : event.mouseButton.button = Mouse::Middle; break; | |
case Button3 : event.mouseButton.button = Mouse::Right; break; | |
case 8 : event.mouseButton.button = Mouse::XButton1; break; | |
case 9 : event.mouseButton.button = Mouse::XButton2; break; | |
} | |
pushEvent(event); | |
} | |
else if ((button == Button4) || (button == Button5)) | |
{ | |
Event event; | |
event.type = Event::MouseWheelMoved; | |
event.mouseWheel.delta = windowEvent.xbutton.button == Button4 ? 1 : -1; | |
event.mouseWheel.x = windowEvent.xbutton.x; | |
event.mouseWheel.y = windowEvent.xbutton.y; | |
pushEvent(event); | |
} | |
break; | |
} | |
// Mouse moved | |
case MotionNotify : | |
{ | |
Event event; | |
event.type = Event::MouseMoved; | |
event.mouseMove.x = windowEvent.xmotion.x; | |
event.mouseMove.y = windowEvent.xmotion.y; | |
pushEvent(event); | |
break; | |
} | |
// Mouse entered | |
case EnterNotify : | |
{ | |
if (windowEvent.xcrossing.mode == NotifyNormal) | |
{ | |
Event event; | |
event.type = Event::MouseEntered; | |
pushEvent(event); | |
} | |
break; | |
} | |
// Mouse left | |
case LeaveNotify : | |
{ | |
if (windowEvent.xcrossing.mode == NotifyNormal) | |
{ | |
Event event; | |
event.type = Event::MouseLeft; | |
pushEvent(event); | |
} | |
break; | |
} | |
} | |
return true; | |
} | |
//////////////////////////////////////////////////////////// | |
Keyboard::Key WindowImplX11::keysymToSF(KeySym symbol) | |
{ | |
// First convert to uppercase (to avoid dealing with two different keysyms for the same key) | |
KeySym lower, key; | |
XConvertCase(symbol, &lower, &key); | |
switch (key) | |
{ | |
case XK_Shift_L : return Keyboard::LShift; | |
case XK_Shift_R : return Keyboard::RShift; | |
case XK_Control_L : return Keyboard::LControl; | |
case XK_Control_R : return Keyboard::RControl; | |
case XK_Alt_L : return Keyboard::LAlt; | |
case XK_Alt_R : return Keyboard::RAlt; | |
case XK_Super_L : return Keyboard::LSystem; | |
case XK_Super_R : return Keyboard::RSystem; | |
case XK_Menu : return Keyboard::Menu; | |
case XK_Escape : return Keyboard::Escape; | |
case XK_semicolon : return Keyboard::SemiColon; | |
case XK_slash : return Keyboard::Slash; | |
case XK_equal : return Keyboard::Equal; | |
case XK_minus : return Keyboard::Dash; | |
case XK_bracketleft : return Keyboard::LBracket; | |
case XK_bracketright : return Keyboard::RBracket; | |
case XK_comma : return Keyboard::Comma; | |
case XK_period : return Keyboard::Period; | |
case XK_dead_acute : return Keyboard::Quote; | |
case XK_backslash : return Keyboard::BackSlash; | |
case XK_dead_grave : return Keyboard::Tilde; | |
case XK_space : return Keyboard::Space; | |
case XK_Return : return Keyboard::Return; | |
case XK_KP_Enter : return Keyboard::Return; | |
case XK_BackSpace : return Keyboard::BackSpace; | |
case XK_Tab : return Keyboard::Tab; | |
case XK_Prior : return Keyboard::PageUp; | |
case XK_Next : return Keyboard::PageDown; | |
case XK_End : return Keyboard::End; | |
case XK_Home : return Keyboard::Home; | |
case XK_Insert : return Keyboard::Insert; | |
case XK_Delete : return Keyboard::Delete; | |
case XK_KP_Add : return Keyboard::Add; | |
case XK_KP_Subtract : return Keyboard::Subtract; | |
case XK_KP_Multiply : return Keyboard::Multiply; | |
case XK_KP_Divide : return Keyboard::Divide; | |
case XK_Pause : return Keyboard::Pause; | |
case XK_F1 : return Keyboard::F1; | |
case XK_F2 : return Keyboard::F2; | |
case XK_F3 : return Keyboard::F3; | |
case XK_F4 : return Keyboard::F4; | |
case XK_F5 : return Keyboard::F5; | |
case XK_F6 : return Keyboard::F6; | |
case XK_F7 : return Keyboard::F7; | |
case XK_F8 : return Keyboard::F8; | |
case XK_F9 : return Keyboard::F9; | |
case XK_F10 : return Keyboard::F10; | |
case XK_F11 : return Keyboard::F11; | |
case XK_F12 : return Keyboard::F12; | |
case XK_F13 : return Keyboard::F13; | |
case XK_F14 : return Keyboard::F14; | |
case XK_F15 : return Keyboard::F15; | |
case XK_Left : return Keyboard::Left; | |
case XK_Right : return Keyboard::Right; | |
case XK_Up : return Keyboard::Up; | |
case XK_Down : return Keyboard::Down; | |
case XK_KP_0 : return Keyboard::Numpad0; | |
case XK_KP_1 : return Keyboard::Numpad1; | |
case XK_KP_2 : return Keyboard::Numpad2; | |
case XK_KP_3 : return Keyboard::Numpad3; | |
case XK_KP_4 : return Keyboard::Numpad4; | |
case XK_KP_5 : return Keyboard::Numpad5; | |
case XK_KP_6 : return Keyboard::Numpad6; | |
case XK_KP_7 : return Keyboard::Numpad7; | |
case XK_KP_8 : return Keyboard::Numpad8; | |
case XK_KP_9 : return Keyboard::Numpad9; | |
case XK_A : return Keyboard::A; | |
case XK_Z : return Keyboard::Z; | |
case XK_E : return Keyboard::E; | |
case XK_R : return Keyboard::R; | |
case XK_T : return Keyboard::T; | |
case XK_Y : return Keyboard::Y; | |
case XK_U : return Keyboard::U; | |
case XK_I : return Keyboard::I; | |
case XK_O : return Keyboard::O; | |
case XK_P : return Keyboard::P; | |
case XK_Q : return Keyboard::Q; | |
case XK_S : return Keyboard::S; | |
case XK_D : return Keyboard::D; | |
case XK_F : return Keyboard::F; | |
case XK_G : return Keyboard::G; | |
case XK_H : return Keyboard::H; | |
case XK_J : return Keyboard::J; | |
case XK_K : return Keyboard::K; | |
case XK_L : return Keyboard::L; | |
case XK_M : return Keyboard::M; | |
case XK_W : return Keyboard::W; | |
case XK_X : return Keyboard::X; | |
case XK_C : return Keyboard::C; | |
case XK_V : return Keyboard::V; | |
case XK_B : return Keyboard::B; | |
case XK_N : return Keyboard::N; | |
case XK_0 : return Keyboard::Num0; | |
case XK_1 : return Keyboard::Num1; | |
case XK_2 : return Keyboard::Num2; | |
case XK_3 : return Keyboard::Num3; | |
case XK_4 : return Keyboard::Num4; | |
case XK_5 : return Keyboard::Num5; | |
case XK_6 : return Keyboard::Num6; | |
case XK_7 : return Keyboard::Num7; | |
case XK_8 : return Keyboard::Num8; | |
case XK_9 : return Keyboard::Num9; | |
} | |
return Keyboard::Unknown; | |
} | |
} // namespace priv | |
} // namespace sf |
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