mirror of
https://github.com/gwm17/glfw.git
synced 2024-11-27 04:28:52 -05:00
Moved EWMH logic to library init.
This commit is contained in:
Camilla Berglund
parent
3184e1a70a
commit
76615bf237
149
src/x11_init.c
149
src/x11_init.c
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@ -33,6 +33,7 @@
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string.h>
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#include <limits.h>
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//========================================================================
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//========================================================================
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@ -369,6 +370,152 @@ static void updateKeyCodeLUT(void)
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}
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}
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//========================================================================
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// Retrieve a single window property of the specified type
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// Inspired by fghGetWindowProperty from freeglut
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//========================================================================
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static unsigned long getWindowProperty(Window window,
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Atom property,
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Atom type,
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unsigned char** value)
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{
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Atom actualType;
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int actualFormat;
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unsigned long itemCount, bytesAfter;
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XGetWindowProperty(_glfwLibrary.X11.display,
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window,
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property,
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0,
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LONG_MAX,
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False,
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type,
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&actualType,
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&actualFormat,
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&itemCount,
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&bytesAfter,
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value);
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if (actualType != type)
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return 0;
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return itemCount;
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}
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//========================================================================
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// Check whether the specified atom is supported
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//========================================================================
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static Atom getSupportedAtom(Atom* supportedAtoms,
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unsigned long atomCount,
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const char* atomName)
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{
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Atom atom = XInternAtom(_glfwLibrary.X11.display, atomName, True);
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if (atom != None)
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{
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unsigned long i;
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for (i = 0; i < atomCount; i++)
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{
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if (supportedAtoms[i] == atom)
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return atom;
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}
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}
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return None;
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}
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//========================================================================
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// Check whether the running window manager is EWMH-compliant
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//========================================================================
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static void initEWMH(void)
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{
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Window* windowFromRoot = NULL;
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Window* windowFromChild = NULL;
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// First we need a couple of atoms, which should already be there
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Atom supportingWmCheck =
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XInternAtom(_glfwLibrary.X11.display, "_NET_SUPPORTING_WM_CHECK", True);
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Atom wmSupported =
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XInternAtom(_glfwLibrary.X11.display, "_NET_SUPPORTED", True);
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if (supportingWmCheck == None || wmSupported == None)
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return;
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// Then we look for the _NET_SUPPORTING_WM_CHECK property of the root window
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if (getWindowProperty(_glfwLibrary.X11.root,
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supportingWmCheck,
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XA_WINDOW,
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(unsigned char**) &windowFromRoot) != 1)
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{
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XFree(windowFromRoot);
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return;
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}
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// It should be the ID of a child window (of the root)
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// Then we look for the same property on the child window
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if (getWindowProperty(*windowFromRoot,
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supportingWmCheck,
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XA_WINDOW,
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(unsigned char**) &windowFromChild) != 1)
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{
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XFree(windowFromRoot);
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XFree(windowFromChild);
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return;
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}
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// It should be the ID of that same child window
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if (*windowFromRoot != *windowFromChild)
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{
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XFree(windowFromRoot);
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XFree(windowFromChild);
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return;
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}
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XFree(windowFromRoot);
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XFree(windowFromChild);
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// We are now fairly sure that an EWMH-compliant window manager is running
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Atom* supportedAtoms;
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unsigned long atomCount;
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// Now we need to check the _NET_SUPPORTED property of the root window
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// It should be a list of supported WM protocol and state atoms
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atomCount = getWindowProperty(_glfwLibrary.X11.root,
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wmSupported,
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XA_ATOM,
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(unsigned char**) &supportedAtoms);
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// See which of the atoms we support that are supported by the WM
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_glfwLibrary.X11.wmState =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE");
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_glfwLibrary.X11.wmStateFullscreen =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_FULLSCREEN");
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_glfwLibrary.X11.wmName =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_NAME");
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_glfwLibrary.X11.wmIconName =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_ICON_NAME");
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_glfwLibrary.X11.wmPing =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_PING");
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_glfwLibrary.X11.wmActiveWindow =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_ACTIVE_WINDOW");
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XFree(supportedAtoms);
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_glfwLibrary.X11.hasEWMH = GL_TRUE;
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}
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//========================================================================
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//========================================================================
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// Initialize X11 display and look for supported X11 extensions
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// Initialize X11 display and look for supported X11 extensions
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//========================================================================
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//========================================================================
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@ -580,6 +727,8 @@ int _glfwPlatformInit(void)
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initGammaRamp();
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initGammaRamp();
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initEWMH();
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_glfwLibrary.X11.cursor = createNULLCursor();
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_glfwLibrary.X11.cursor = createNULLCursor();
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// Try to load libGL.so if necessary
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// Try to load libGL.so if necessary
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@ -133,16 +133,8 @@ typedef struct _GLFWwindowX11
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// Platform specific window resources
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// Platform specific window resources
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Colormap colormap; // Window colormap
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Colormap colormap; // Window colormap
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Window handle; // Window handle
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Window handle; // Window handle
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Atom wmDeleteWindow; // WM_DELETE_WINDOW atom
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Atom wmName; // _NET_WM_NAME atom
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Atom wmIconName; // _NET_WM_ICON_NAME atom
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Atom wmPing; // _NET_WM_PING atom
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Atom wmState; // _NET_WM_STATE atom
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Atom wmStateFullscreen; // _NET_WM_STATE_FULLSCREEN atom
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Atom wmActiveWindow; // _NET_ACTIVE_WINDOW atom
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// Various platform specific internal variables
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// Various platform specific internal variables
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GLboolean hasEWMH; // True if window manager supports EWMH
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GLboolean overrideRedirect; // True if window is OverrideRedirect
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GLboolean overrideRedirect; // True if window is OverrideRedirect
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GLboolean keyboardGrabbed; // True if keyboard is currently grabbed
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GLboolean keyboardGrabbed; // True if keyboard is currently grabbed
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GLboolean cursorGrabbed; // True if cursor is currently grabbed
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GLboolean cursorGrabbed; // True if cursor is currently grabbed
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@ -163,6 +155,17 @@ typedef struct _GLFWlibraryX11
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Window root;
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Window root;
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Cursor cursor; // Invisible cursor for hidden cursor
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Cursor cursor; // Invisible cursor for hidden cursor
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Atom wmDeleteWindow; // WM_DELETE_WINDOW atom
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Atom wmName; // _NET_WM_NAME atom
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Atom wmIconName; // _NET_WM_ICON_NAME atom
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Atom wmPing; // _NET_WM_PING atom
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Atom wmState; // _NET_WM_STATE atom
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Atom wmStateFullscreen; // _NET_WM_STATE_FULLSCREEN atom
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Atom wmActiveWindow; // _NET_ACTIVE_WINDOW atom
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// True if window manager supports EWMH
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GLboolean hasEWMH;
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// Server-side GLX version
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// Server-side GLX version
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int glxMajor, glxMinor;
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int glxMajor, glxMinor;
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202
src/x11_window.c
202
src/x11_window.c
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@ -30,7 +30,6 @@
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#include "internal.h"
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#include "internal.h"
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#include <limits.h>
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#include <string.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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@ -65,154 +64,6 @@ static Bool isMapNotify(Display* d, XEvent* e, char* arg)
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}
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}
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//========================================================================
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// Retrieve a single window property of the specified type
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// Inspired by fghGetWindowProperty from freeglut
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//========================================================================
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static unsigned long getWindowProperty(Window window,
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Atom property,
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Atom type,
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unsigned char** value)
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{
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Atom actualType;
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int actualFormat;
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unsigned long itemCount, bytesAfter;
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XGetWindowProperty(_glfwLibrary.X11.display,
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window,
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property,
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0,
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LONG_MAX,
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False,
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type,
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&actualType,
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&actualFormat,
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&itemCount,
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&bytesAfter,
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value);
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if (actualType != type)
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return 0;
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return itemCount;
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}
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//========================================================================
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// Check whether the specified atom is supported
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//========================================================================
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static Atom getSupportedAtom(Atom* supportedAtoms,
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unsigned long atomCount,
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const char* atomName)
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{
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Atom atom = XInternAtom(_glfwLibrary.X11.display, atomName, True);
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if (atom != None)
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{
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unsigned long i;
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for (i = 0; i < atomCount; i++)
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{
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if (supportedAtoms[i] == atom)
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return atom;
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}
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}
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return None;
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}
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//========================================================================
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// Check whether the running window manager is EWMH-compliant
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//========================================================================
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static GLboolean hasEWMH(_GLFWwindow* window)
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{
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Window* windowFromRoot = NULL;
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Window* windowFromChild = NULL;
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// Hey kids; let's see if the window manager supports EWMH!
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// First we need a couple of atoms, which should already be there
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Atom supportingWmCheck =
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XInternAtom(_glfwLibrary.X11.display, "_NET_SUPPORTING_WM_CHECK", True);
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Atom wmSupported =
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XInternAtom(_glfwLibrary.X11.display, "_NET_SUPPORTED", True);
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if (supportingWmCheck == None || wmSupported == None)
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return GL_FALSE;
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// Then we look for the _NET_SUPPORTING_WM_CHECK property of the root window
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if (getWindowProperty(_glfwLibrary.X11.root,
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supportingWmCheck,
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XA_WINDOW,
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(unsigned char**) &windowFromRoot) != 1)
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{
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XFree(windowFromRoot);
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return GL_FALSE;
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}
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// It should be the ID of a child window (of the root)
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// Then we look for the same property on the child window
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if (getWindowProperty(*windowFromRoot,
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supportingWmCheck,
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XA_WINDOW,
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(unsigned char**) &windowFromChild) != 1)
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{
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XFree(windowFromRoot);
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XFree(windowFromChild);
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return GL_FALSE;
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}
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// It should be the ID of that same child window
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if (*windowFromRoot != *windowFromChild)
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{
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XFree(windowFromRoot);
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XFree(windowFromChild);
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return GL_FALSE;
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}
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XFree(windowFromRoot);
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XFree(windowFromChild);
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// We are now fairly sure that an EWMH-compliant window manager is running
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Atom* supportedAtoms;
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unsigned long atomCount;
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// Now we need to check the _NET_SUPPORTED property of the root window
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// It should be a list of supported WM protocol and state atoms
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atomCount = getWindowProperty(_glfwLibrary.X11.root,
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wmSupported,
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XA_ATOM,
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(unsigned char**) &supportedAtoms);
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// See which of the atoms we support that are supported by the WM
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window->X11.wmState =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE");
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window->X11.wmStateFullscreen =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_FULLSCREEN");
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window->X11.wmName =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_NAME");
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window->X11.wmIconName =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_ICON_NAME");
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window->X11.wmPing =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_PING");
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window->X11.wmActiveWindow =
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getSupportedAtom(supportedAtoms, atomCount, "_NET_ACTIVE_WINDOW");
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XFree(supportedAtoms);
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return GL_TRUE;
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}
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//========================================================================
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//========================================================================
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// Translates an X Window key to internal coding
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// Translates an X Window key to internal coding
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//========================================================================
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//========================================================================
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@ -721,10 +572,7 @@ static GLboolean createWindow(_GLFWwindow* window,
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}
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}
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}
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}
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// Check whether an EWMH-compliant window manager is running
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if (window->mode == GLFW_FULLSCREEN && !_glfwLibrary.X11.hasEWMH)
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window->X11.hasEWMH = hasEWMH(window);
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if (window->mode == GLFW_FULLSCREEN && !window->X11.hasEWMH)
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{
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{
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// This is the butcher's way of removing window decorations
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// This is the butcher's way of removing window decorations
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// Setting the override-redirect attribute on a window makes the window
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// Setting the override-redirect attribute on a window makes the window
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@ -745,7 +593,7 @@ static GLboolean createWindow(_GLFWwindow* window,
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}
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}
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// Find or create the protocol atom for window close notifications
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// Find or create the protocol atom for window close notifications
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window->X11.wmDeleteWindow = XInternAtom(_glfwLibrary.X11.display,
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_glfwLibrary.X11.wmDeleteWindow = XInternAtom(_glfwLibrary.X11.display,
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"WM_DELETE_WINDOW",
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"WM_DELETE_WINDOW",
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False);
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False);
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|
@ -756,14 +604,14 @@ static GLboolean createWindow(_GLFWwindow* window,
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// The WM_DELETE_WINDOW ICCCM protocol
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// The WM_DELETE_WINDOW ICCCM protocol
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// Basic window close notification protocol
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// Basic window close notification protocol
|
||||||
if (window->X11.wmDeleteWindow != None)
|
if (_glfwLibrary.X11.wmDeleteWindow != None)
|
||||||
protocols[count++] = window->X11.wmDeleteWindow;
|
protocols[count++] = _glfwLibrary.X11.wmDeleteWindow;
|
||||||
|
|
||||||
// The _NET_WM_PING EWMH protocol
|
// The _NET_WM_PING EWMH protocol
|
||||||
// Tells the WM to ping our window and flag us as unresponsive if we
|
// Tells the WM to ping our window and flag us as unresponsive if we
|
||||||
// don't reply within a few seconds
|
// don't reply within a few seconds
|
||||||
if (window->X11.wmPing != None)
|
if (_glfwLibrary.X11.wmPing != None)
|
||||||
protocols[count++] = window->X11.wmPing;
|
protocols[count++] = _glfwLibrary.X11.wmPing;
|
||||||
|
|
||||||
if (count > 0)
|
if (count > 0)
|
||||||
{
|
{
|
||||||
|
|
@ -911,11 +759,11 @@ static void enterFullscreenMode(_GLFWwindow* window)
|
||||||
_glfwSetVideoMode(&window->width, &window->height,
|
_glfwSetVideoMode(&window->width, &window->height,
|
||||||
&window->refreshRate);
|
&window->refreshRate);
|
||||||
|
|
||||||
if (window->X11.hasEWMH &&
|
if (_glfwLibrary.X11.hasEWMH &&
|
||||||
window->X11.wmState != None &&
|
_glfwLibrary.X11.wmState != None &&
|
||||||
window->X11.wmStateFullscreen != None)
|
_glfwLibrary.X11.wmStateFullscreen != None)
|
||||||
{
|
{
|
||||||
if (window->X11.wmActiveWindow != None)
|
if (_glfwLibrary.X11.wmActiveWindow != None)
|
||||||
{
|
{
|
||||||
// Ask the window manager to raise and focus the GLFW window
|
// Ask the window manager to raise and focus the GLFW window
|
||||||
// Only focused windows with the _NET_WM_STATE_FULLSCREEN state end
|
// Only focused windows with the _NET_WM_STATE_FULLSCREEN state end
|
||||||
|
|
@ -927,7 +775,7 @@ static void enterFullscreenMode(_GLFWwindow* window)
|
||||||
event.type = ClientMessage;
|
event.type = ClientMessage;
|
||||||
event.xclient.window = window->X11.handle;
|
event.xclient.window = window->X11.handle;
|
||||||
event.xclient.format = 32; // Data is 32-bit longs
|
event.xclient.format = 32; // Data is 32-bit longs
|
||||||
event.xclient.message_type = window->X11.wmActiveWindow;
|
event.xclient.message_type = _glfwLibrary.X11.wmActiveWindow;
|
||||||
event.xclient.data.l[0] = 1; // Sender is a normal application
|
event.xclient.data.l[0] = 1; // Sender is a normal application
|
||||||
event.xclient.data.l[1] = 0; // We don't really know the timestamp
|
event.xclient.data.l[1] = 0; // We don't really know the timestamp
|
||||||
|
|
||||||
|
|
@ -948,9 +796,9 @@ static void enterFullscreenMode(_GLFWwindow* window)
|
||||||
event.type = ClientMessage;
|
event.type = ClientMessage;
|
||||||
event.xclient.window = window->X11.handle;
|
event.xclient.window = window->X11.handle;
|
||||||
event.xclient.format = 32; // Data is 32-bit longs
|
event.xclient.format = 32; // Data is 32-bit longs
|
||||||
event.xclient.message_type = window->X11.wmState;
|
event.xclient.message_type = _glfwLibrary.X11.wmState;
|
||||||
event.xclient.data.l[0] = _NET_WM_STATE_ADD;
|
event.xclient.data.l[0] = _NET_WM_STATE_ADD;
|
||||||
event.xclient.data.l[1] = window->X11.wmStateFullscreen;
|
event.xclient.data.l[1] = _glfwLibrary.X11.wmStateFullscreen;
|
||||||
event.xclient.data.l[2] = 0; // No secondary property
|
event.xclient.data.l[2] = 0; // No secondary property
|
||||||
event.xclient.data.l[3] = 1; // Sender is a normal application
|
event.xclient.data.l[3] = 1; // Sender is a normal application
|
||||||
|
|
||||||
|
|
@ -1003,9 +851,9 @@ static void leaveFullscreenMode(_GLFWwindow* window)
|
||||||
_glfwLibrary.X11.saver.changed = GL_FALSE;
|
_glfwLibrary.X11.saver.changed = GL_FALSE;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (window->X11.hasEWMH &&
|
if (_glfwLibrary.X11.hasEWMH &&
|
||||||
window->X11.wmState != None &&
|
_glfwLibrary.X11.wmState != None &&
|
||||||
window->X11.wmStateFullscreen != None)
|
_glfwLibrary.X11.wmStateFullscreen != None)
|
||||||
{
|
{
|
||||||
// Ask the window manager to make the GLFW window a normal window
|
// Ask the window manager to make the GLFW window a normal window
|
||||||
// Normal windows usually have frames and other decorations
|
// Normal windows usually have frames and other decorations
|
||||||
|
|
@ -1016,9 +864,9 @@ static void leaveFullscreenMode(_GLFWwindow* window)
|
||||||
event.type = ClientMessage;
|
event.type = ClientMessage;
|
||||||
event.xclient.window = window->X11.handle;
|
event.xclient.window = window->X11.handle;
|
||||||
event.xclient.format = 32; // Data is 32-bit longs
|
event.xclient.format = 32; // Data is 32-bit longs
|
||||||
event.xclient.message_type = window->X11.wmState;
|
event.xclient.message_type = _glfwLibrary.X11.wmState;
|
||||||
event.xclient.data.l[0] = _NET_WM_STATE_REMOVE;
|
event.xclient.data.l[0] = _NET_WM_STATE_REMOVE;
|
||||||
event.xclient.data.l[1] = window->X11.wmStateFullscreen;
|
event.xclient.data.l[1] = _glfwLibrary.X11.wmStateFullscreen;
|
||||||
event.xclient.data.l[2] = 0; // No secondary property
|
event.xclient.data.l[2] = 0; // No secondary property
|
||||||
event.xclient.data.l[3] = 1; // Sender is a normal application
|
event.xclient.data.l[3] = 1; // Sender is a normal application
|
||||||
|
|
||||||
|
|
@ -1291,15 +1139,15 @@ static void processSingleEvent(void)
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
if ((Atom) event.xclient.data.l[0] == window->X11.wmDeleteWindow)
|
if ((Atom) event.xclient.data.l[0] == _glfwLibrary.X11.wmDeleteWindow)
|
||||||
{
|
{
|
||||||
// The window manager was asked to close the window, for example by
|
// The window manager was asked to close the window, for example by
|
||||||
// the user pressing a 'close' window decoration button
|
// the user pressing a 'close' window decoration button
|
||||||
|
|
||||||
window->closeRequested = GL_TRUE;
|
window->closeRequested = GL_TRUE;
|
||||||
}
|
}
|
||||||
else if (window->X11.wmPing != None &&
|
else if (_glfwLibrary.X11.wmPing != None &&
|
||||||
(Atom) event.xclient.data.l[0] == window->X11.wmPing)
|
(Atom) event.xclient.data.l[0] == _glfwLibrary.X11.wmPing)
|
||||||
{
|
{
|
||||||
// The window manager is pinging us to make sure we are still
|
// The window manager is pinging us to make sure we are still
|
||||||
// responding to events
|
// responding to events
|
||||||
|
|
@ -1567,18 +1415,18 @@ void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
|
||||||
NULL, NULL, NULL);
|
NULL, NULL, NULL);
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
if (window->X11.wmName != None)
|
if (_glfwLibrary.X11.wmName != None)
|
||||||
{
|
{
|
||||||
XChangeProperty(_glfwLibrary.X11.display, window->X11.handle,
|
XChangeProperty(_glfwLibrary.X11.display, window->X11.handle,
|
||||||
window->X11.wmName, type, 8,
|
_glfwLibrary.X11.wmName, type, 8,
|
||||||
PropModeReplace,
|
PropModeReplace,
|
||||||
(unsigned char*) title, strlen(title));
|
(unsigned char*) title, strlen(title));
|
||||||
}
|
}
|
||||||
|
|
||||||
if (window->X11.wmIconName != None)
|
if (_glfwLibrary.X11.wmIconName != None)
|
||||||
{
|
{
|
||||||
XChangeProperty(_glfwLibrary.X11.display, window->X11.handle,
|
XChangeProperty(_glfwLibrary.X11.display, window->X11.handle,
|
||||||
window->X11.wmIconName, type, 8,
|
_glfwLibrary.X11.wmIconName, type, 8,
|
||||||
PropModeReplace,
|
PropModeReplace,
|
||||||
(unsigned char*) title, strlen(title));
|
(unsigned char*) title, strlen(title));
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue
Block a user