Initial code for x11/wmii

[wmpus] / sys-x11.c

diff --git a/sys-x11.c b/sys-x11.c
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..76195a919bb3be1d1ebcf961d69a01b55fca785c 100644 (file)
--- a/sys-x11.c
+++ b/sys-x11.c
@@ -0,0 +1,174 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xproto.h>
+#include <X11/keysym.h>
+
+#include "util.h"
+#include "sys.h"
+#include "wm.h"
+
+/* Internal structures */
+struct win_sys {
+       Window   win;
+       Display *dpy;
+};
+
+/* Conversion functions */
+struct {
+       Key_t key;
+       int   sym;
+} keymap[] = {
+       {key_left    , XK_Left },
+       {key_right   , XK_Right},
+       {key_up      , XK_Up   },
+       {key_down    , XK_Down },
+       {key_home    , XK_Home },
+       {key_end     , XK_End  },
+       {key_pageup  , XK_Prior},
+       {key_pagedown, XK_Next },
+       {key_f1      , XK_F1   },
+       {key_f2      , XK_F2   },
+       {key_f3      , XK_F3   },
+       {key_f4      , XK_F4   },
+       {key_f5      , XK_F5   },
+       {key_f6      , XK_F6   },
+       {key_f7      , XK_F7   },
+       {key_f8      , XK_F8   },
+       {key_f9      , XK_F9   },
+       {key_f10     , XK_F10  },
+       {key_f11     , XK_F11  },
+       {key_f12     , XK_F12  },
+};
+
+mod_t x2mod(unsigned int state)
+{
+       return (mod_t){
+              .alt   = !!(state & Mod1Mask   ),
+              .ctrl  = !!(state & ControlMask),
+              .shift = !!(state & ShiftMask  ),
+              .win   = !!(state & Mod4Mask   ),
+       };
+}
+unsigned int mod2x(mod_t mod)
+{
+       return mod.alt   ? Mod1Mask    : 0
+            | mod.ctrl  ? ControlMask : 0
+            | mod.shift ? ShiftMask   : 0
+            | mod.win   ? Mod4Mask    : 0;
+}
+
+KeySym key2x(Key_t key)
+{
+       for (int i = 0; i < countof(keymap); i++)
+               if (keymap[i].key == key)
+                       return keymap[i].sym;
+       return key;
+}
+Key_t x2key(KeySym sym)
+{
+       for (int i = 0; i < countof(keymap); i++)
+               if (keymap[i].sym == sym)
+                       return keymap[i].key;
+       return sym;
+}
+
+int btn2x(Key_t key)
+{
+       return key - key_mouse0;
+}
+Key_t x2btn(int btn)
+{
+       return btn + key_mouse0;
+}
+
+ptr_t x2ptr(XEvent _ev)
+{
+       XKeyEvent ev = _ev.xkey;
+       return (ptr_t){ev.x, ev.y, ev.x_root, ev.y_root};
+}
+
+/* Functions */
+void sys_move(win_t *win, int x, int y, int w, int h)
+{
+       printf("sys_move: %p - %d,%d  %dx%d\n", win, x, y, w, h);
+       XMoveResizeWindow(win->sys->dpy, win->sys->win, x, y, w, h);
+}
+
+void sys_raise(win_t *win)
+{
+       printf("sys_raise: %p\n", win);
+       XRaiseWindow(win->sys->dpy, win->sys->win);
+}
+
+void sys_watch(win_t *win, Key_t key, mod_t mod)
+{
+       if (key_mouse0 <= key && key <= key_mouse7)
+               XGrabButton(win->sys->dpy, btn2x(key), mod2x(mod), win->sys->win, True,
+                               mod.up ? ButtonReleaseMask : ButtonPressMask,
+                               GrabModeAsync, GrabModeAsync, None, None);
+       else
+               XGrabKey(win->sys->dpy, XKeysymToKeycode(win->sys->dpy, key2x(key)),
+                               mod2x(mod), win->sys->win, True, GrabModeAsync, GrabModeAsync);
+}
+
+win_t *win_new(Display *xdpy, Window xwin)
+{
+       XWindowAttributes attr;
+       XGetWindowAttributes(xdpy, xwin, &attr);
+       win_t *win    = new0(win_t);
+       win->x        = attr.x;
+       win->y        = attr.y;
+       win->w        = attr.width;
+       win->h        = attr.height;
+       win->sys      = new0(win_sys_t);
+       win->sys->dpy = xdpy;
+       win->sys->win = xwin;
+       return win;
+}
+void win_free(win_t *win)
+{
+       free(win->sys);
+       free(win);
+}
+
+win_t *sys_init(void)
+{
+       Display *xdpy = XOpenDisplay(NULL);
+       Window   xwin = DefaultRootWindow(xdpy);
+       return win_new(xdpy, xwin);
+}
+
+void sys_run(win_t *root)
+{
+       Display *dpy = root->sys->dpy;
+       for(;;)
+       {
+               XEvent ev;
+               XNextEvent(dpy, &ev);
+               printf("event: %d\n", ev.type);
+               if (ev.type == KeyPress && ev.xkey.subwindow) {
+                       while (XCheckTypedEvent(dpy, KeyPress, &ev));
+                       KeySym sym = XKeycodeToKeysym(dpy, ev.xkey.keycode, 0);
+                       wm_handle_key(win_new(dpy, ev.xkey.subwindow),
+                                       x2key(sym), x2mod(ev.xkey.state), x2ptr(ev));
+               }
+               else if (ev.type == ButtonPress && ev.xbutton.subwindow) {
+                       wm_handle_key(win_new(dpy, ev.xkey.subwindow),
+                                       x2btn(ev.xbutton.button), MOD(.up=0), x2ptr(ev));
+                       XGrabPointer(dpy, ev.xkey.subwindow, True,
+                                       PointerMotionMask|ButtonReleaseMask, GrabModeAsync,
+                                       GrabModeAsync, None, None, CurrentTime);
+               }
+               else if(ev.type == ButtonRelease) {
+                       XUngrabPointer(dpy, CurrentTime);
+                       wm_handle_key(win_new(dpy, ev.xkey.subwindow),
+                                       x2btn(ev.xbutton.button), MOD(.up=1), x2ptr(ev));
+               }
+               else if(ev.type == MotionNotify) {
+                       while (XCheckTypedEvent(dpy, MotionNotify, &ev));
+                       wm_handle_ptr(win_new(dpy, ev.xkey.subwindow), x2ptr(ev));
+               }
+       }
+}