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https://github.com/glfw/glfw.git
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c9808586b3
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3ce7bfef07
@ -63,6 +63,7 @@ GLFW bundles a number of dependencies in the `deps/` directory.
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- Added `GLFW_DONT_CARE` for indicating that any value is acceptable
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- Added `GLFW_DOUBLEBUFFER` for controlling whether to use double buffering
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- Added `GLFW_INCLUDE_ES31` for including the OpenGL ES 3.1 header
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- Added `GLFW_FLOATING` for creating always-on-top windowed mode windows
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- Added *partial and experimental* support for Wayland
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- Bugfix: The debug context attribute was set from `GL_ARB_debug_output` even
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when a debug context had not been requested
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@ -41,6 +41,12 @@ building multi-monitor installations, where you need windows to stay in full
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screen despite losing focus.
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@subsection news_31_floating Floating windows
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GLFW not supports floating windows, also called topmost or always on top, for
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easier debugging, with the `GLFW_FLOATING` window hint.
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@section news_30 New features in version 3.0
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@subsection news_30_cmake CMake build system
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@ -122,6 +122,11 @@ The `GLFW_AUTO_ICONIFY` hint specifies whether the (full screen) window
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will automatically iconify and restore the previous video mode on focus loss.
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This hint is ignored for windowed mode windows.
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The `GLFW_FLOATING` hint specifies whether the window will be floating above
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other regular windows, also called topmost or always-on-top. This is intended
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primarily for debugging purposes and cannot be used to implement proper full
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screen windows. This hint is ignored for full screen windows.
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@subsection window_hints_fb Framebuffer related hints
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@ -211,6 +216,7 @@ a robustness strategy.
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| `GLFW_VISIBLE` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` |
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| `GLFW_DECORATED` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` |
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| `GLFW_AUTO_ICONIFY` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` |
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| `GLFW_FLOATING` | `GL_FALSE` | `GL_TRUE` or `GL_FALSE` |
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| `GLFW_RED_BITS` | 8 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
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| `GLFW_GREEN_BITS` | 8 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
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| `GLFW_BLUE_BITS` | 8 | 0 to `INT_MAX` or `GLFW_DONT_CARE` |
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@ -445,6 +451,10 @@ The `GLFW_DECORATED` attribute indicates whether the specified window has
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decorations such as a border, a close widget, etc. This is controlled by the
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[window hint](@ref window_hints) with the same name.
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The `GLFW_FLOATING` attribute indicates whether the specified window is
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floating, also called topmost or always-on-top. This is controlled by the
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[window hint](@ref window_hints) with the same name.
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@subsection window_attribs_context Context attributes
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@ -498,6 +498,7 @@ extern "C" {
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#define GLFW_VISIBLE 0x00020004
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#define GLFW_DECORATED 0x00020005
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#define GLFW_AUTO_ICONIFY 0x00020006
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#define GLFW_FLOATING 0x00020007
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#define GLFW_RED_BITS 0x00021001
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#define GLFW_GREEN_BITS 0x00021002
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@ -972,6 +972,9 @@ static GLboolean createWindow(_GLFWwindow* window,
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}
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#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
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if (wndconfig->floating)
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[window->ns.object setLevel:NSFloatingWindowLevel];
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[window->ns.object setTitle:[NSString stringWithUTF8String:wndconfig->title]];
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[window->ns.object setContentView:window->ns.view];
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[window->ns.object setDelegate:window->ns.delegate];
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@ -153,6 +153,7 @@ struct _GLFWwndconfig
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GLboolean visible;
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GLboolean decorated;
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GLboolean autoIconify;
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GLboolean floating;
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_GLFWmonitor* monitor;
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};
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@ -218,6 +219,7 @@ struct _GLFWwindow
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GLboolean resizable;
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GLboolean decorated;
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GLboolean autoIconify;
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GLboolean floating;
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GLboolean visible;
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GLboolean closed;
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void* userPointer;
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@ -323,6 +325,7 @@ struct _GLFWlibrary
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int visible;
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int decorated;
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int autoIconify;
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int floating;
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int samples;
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int sRGB;
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int refreshRate;
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@ -951,6 +951,14 @@ static int createWindow(_GLFWwindow* window,
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WM_COPYGLOBALDATA, MSGFLT_ALLOW, NULL);
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}
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if (wndconfig->floating && !wndconfig->monitor)
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{
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SetWindowPos(window->win32.handle,
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HWND_TOPMOST,
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0, 0, 0, 0,
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SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
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}
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DragAcceptFiles(window->win32.handle, TRUE);
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if (!_glfwCreateContext(window, ctxconfig, fbconfig))
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@ -167,6 +167,7 @@ GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height,
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wndconfig.visible = _glfw.hints.visible ? GL_TRUE : GL_FALSE;
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wndconfig.decorated = _glfw.hints.decorated ? GL_TRUE : GL_FALSE;
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wndconfig.autoIconify = _glfw.hints.autoIconify ? GL_TRUE : GL_FALSE;
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wndconfig.floating = _glfw.hints.floating ? GL_TRUE : GL_FALSE;
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wndconfig.monitor = (_GLFWmonitor*) monitor;
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// Set up desired context config
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@ -205,6 +206,7 @@ GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height,
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window->resizable = wndconfig.resizable;
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window->decorated = wndconfig.decorated;
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window->autoIconify = wndconfig.autoIconify;
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window->floating = wndconfig.floating;
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window->cursorMode = GLFW_CURSOR_NORMAL;
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// Save the currently current context so it can be restored later
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@ -335,6 +337,9 @@ GLFWAPI void glfwWindowHint(int target, int hint)
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case GLFW_AUTO_ICONIFY:
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_glfw.hints.autoIconify = hint;
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break;
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case GLFW_FLOATING:
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_glfw.hints.floating = hint;
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break;
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case GLFW_VISIBLE:
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_glfw.hints.visible = hint;
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break;
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@ -585,6 +590,8 @@ GLFWAPI int glfwGetWindowAttrib(GLFWwindow* handle, int attrib)
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return window->resizable;
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case GLFW_DECORATED:
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return window->decorated;
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case GLFW_FLOATING:
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return window->floating;
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case GLFW_VISIBLE:
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return window->visible;
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case GLFW_CLIENT_API:
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@ -419,6 +419,8 @@ static void detectEWMH(void)
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// See which of the atoms we support that are supported by the WM
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_glfw.x11.NET_WM_STATE =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE");
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_glfw.x11.NET_WM_STATE_ABOVE =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_ABOVE");
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_glfw.x11.NET_WM_STATE_FULLSCREEN =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_FULLSCREEN");
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_glfw.x11.NET_WM_NAME =
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@ -122,6 +122,7 @@ typedef struct _GLFWlibraryX11
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Atom NET_WM_PID;
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Atom NET_WM_PING;
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Atom NET_WM_STATE;
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Atom NET_WM_STATE_ABOVE;
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Atom NET_WM_STATE_FULLSCREEN;
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Atom NET_WM_BYPASS_COMPOSITOR;
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Atom NET_ACTIVE_WINDOW;
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@ -108,6 +108,29 @@ static int translateChar(XKeyEvent* event)
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return (int) _glfwKeySym2Unicode(keysym);
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}
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// Adds or removes an EWMH state to a window
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//
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static void changeWindowState(_GLFWwindow* window, Atom state, int action)
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{
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XEvent event;
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memset(&event, 0, sizeof(event));
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event.type = ClientMessage;
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event.xclient.window = window->x11.handle;
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event.xclient.format = 32; // Data is 32-bit longs
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event.xclient.message_type = _glfw.x11.NET_WM_STATE;
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event.xclient.data.l[0] = action;
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event.xclient.data.l[1] = state;
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event.xclient.data.l[2] = 0; // No secondary property
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event.xclient.data.l[3] = 1; // Sender is a normal application
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XSendEvent(_glfw.x11.display,
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_glfw.x11.root,
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False,
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SubstructureNotifyMask | SubstructureRedirectMask,
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&event);
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}
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// Splits and translates a text/uri-list into separate file paths
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//
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static char** parseUriList(char* text, int* count)
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@ -382,6 +405,16 @@ static GLboolean createWindow(_GLFWwindow* window,
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XIfEvent(_glfw.x11.display, &event, isFrameExtentsEvent, (XPointer) window);
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}
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if (wndconfig->floating && !wndconfig->monitor)
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{
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if (_glfw.x11.NET_WM_STATE && _glfw.x11.NET_WM_STATE_ABOVE)
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{
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changeWindowState(window,
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_glfw.x11.NET_WM_STATE_ABOVE,
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_NET_WM_STATE_ADD);
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}
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}
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_glfwPlatformSetWindowTitle(window, wndconfig->title);
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XRRSelectInput(_glfw.x11.display, window->x11.handle,
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@ -490,23 +523,9 @@ static void enterFullscreenMode(_GLFWwindow* window)
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// Fullscreen windows are undecorated and, when focused, are kept
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// on top of all other windows
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XEvent event;
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memset(&event, 0, sizeof(event));
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event.type = ClientMessage;
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event.xclient.window = window->x11.handle;
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event.xclient.format = 32; // Data is 32-bit longs
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event.xclient.message_type = _glfw.x11.NET_WM_STATE;
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event.xclient.data.l[0] = _NET_WM_STATE_ADD;
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event.xclient.data.l[1] = _glfw.x11.NET_WM_STATE_FULLSCREEN;
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event.xclient.data.l[2] = 0; // No secondary property
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event.xclient.data.l[3] = 1; // Sender is a normal application
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XSendEvent(_glfw.x11.display,
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_glfw.x11.root,
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False,
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SubstructureNotifyMask | SubstructureRedirectMask,
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&event);
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changeWindowState(window,
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_glfw.x11.NET_WM_STATE_FULLSCREEN,
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_NET_WM_STATE_ADD);
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}
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else if (window->x11.overrideRedirect)
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{
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@ -557,23 +576,9 @@ static void leaveFullscreenMode(_GLFWwindow* window)
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// Ask the window manager to make the GLFW window a normal window
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// Normal windows usually have frames and other decorations
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XEvent event;
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memset(&event, 0, sizeof(event));
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event.type = ClientMessage;
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event.xclient.window = window->x11.handle;
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event.xclient.format = 32; // Data is 32-bit longs
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event.xclient.message_type = _glfw.x11.NET_WM_STATE;
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event.xclient.data.l[0] = _NET_WM_STATE_REMOVE;
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event.xclient.data.l[1] = _glfw.x11.NET_WM_STATE_FULLSCREEN;
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event.xclient.data.l[2] = 0; // No secondary property
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event.xclient.data.l[3] = 1; // Sender is a normal application
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XSendEvent(_glfw.x11.display,
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_glfw.x11.root,
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False,
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SubstructureNotifyMask | SubstructureRedirectMask,
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&event);
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changeWindowState(window,
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_glfw.x11.NET_WM_STATE_FULLSCREEN,
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_NET_WM_STATE_REMOVE);
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}
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}
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