dwm-meillo

annotate event.c @ 60:24f9c674d03f

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made stdin reader more robust
author Anselm R. Garbe <garbeam@wmii.de>
date Fri, 14 Jul 2006 12:08:32 +0200
parents fcbf7213d96f
children f14858218641
rev   line source
garbeam@5 1 /*
garbeam@5 2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
garbeam@5 3 * See LICENSE file for license details.
garbeam@5 4 */
garbeam@5 5
garbeam@5 6 #include <fcntl.h>
garbeam@5 7 #include <stdlib.h>
garbeam@5 8 #include <string.h>
garbeam@5 9 #include <X11/keysym.h>
garbeam@13 10 #include <X11/Xatom.h>
garbeam@5 11
garbeam@43 12 #include "dwm.h"
garbeam@5 13
garbeam@5 14 /* local functions */
garbeam@18 15 static void buttonpress(XEvent *e);
garbeam@5 16 static void configurerequest(XEvent *e);
garbeam@5 17 static void destroynotify(XEvent *e);
garbeam@5 18 static void enternotify(XEvent *e);
garbeam@5 19 static void leavenotify(XEvent *e);
garbeam@5 20 static void expose(XEvent *e);
garbeam@5 21 static void keymapnotify(XEvent *e);
garbeam@5 22 static void maprequest(XEvent *e);
garbeam@5 23 static void propertynotify(XEvent *e);
garbeam@5 24 static void unmapnotify(XEvent *e);
garbeam@5 25
garbeam@5 26 void (*handler[LASTEvent]) (XEvent *) = {
garbeam@18 27 [ButtonPress] = buttonpress,
garbeam@5 28 [ConfigureRequest] = configurerequest,
garbeam@5 29 [DestroyNotify] = destroynotify,
garbeam@5 30 [EnterNotify] = enternotify,
garbeam@5 31 [LeaveNotify] = leavenotify,
garbeam@5 32 [Expose] = expose,
garbeam@5 33 [KeyPress] = keypress,
garbeam@5 34 [KeymapNotify] = keymapnotify,
garbeam@5 35 [MapRequest] = maprequest,
garbeam@5 36 [PropertyNotify] = propertynotify,
garbeam@5 37 [UnmapNotify] = unmapnotify
garbeam@5 38 };
garbeam@5 39
garbeam@26 40 void
garbeam@18 41 discard_events(long even_mask)
garbeam@5 42 {
garbeam@5 43 XEvent ev;
garbeam@26 44 while(XCheckMaskEvent(dpy, even_mask, &ev));
garbeam@5 45 }
garbeam@5 46
garbeam@5 47 static void
garbeam@18 48 buttonpress(XEvent *e)
garbeam@18 49 {
garbeam@18 50 XButtonPressedEvent *ev = &e->xbutton;
garbeam@18 51 Client *c;
garbeam@18 52
garbeam@58 53 if(barwin == ev->window)
garbeam@58 54 barclick(ev);
garbeam@58 55 else if((c = getclient(ev->window))) {
garbeam@32 56 craise(c);
garbeam@18 57 switch(ev->button) {
garbeam@18 58 default:
garbeam@18 59 break;
garbeam@18 60 case Button1:
garbeam@18 61 mmove(c);
garbeam@18 62 break;
garbeam@18 63 case Button2:
garbeam@26 64 lower(c);
garbeam@18 65 break;
garbeam@18 66 case Button3:
garbeam@18 67 mresize(c);
garbeam@18 68 break;
garbeam@18 69 }
garbeam@18 70 }
garbeam@18 71 }
garbeam@18 72
garbeam@18 73 static void
garbeam@5 74 configurerequest(XEvent *e)
garbeam@5 75 {
garbeam@5 76 XConfigureRequestEvent *ev = &e->xconfigurerequest;
garbeam@5 77 XWindowChanges wc;
garbeam@5 78 Client *c;
garbeam@5 79
garbeam@5 80 ev->value_mask &= ~CWSibling;
garbeam@18 81 if((c = getclient(ev->window))) {
garbeam@29 82 gravitate(c, True);
garbeam@5 83 if(ev->value_mask & CWX)
garbeam@20 84 c->x = ev->x;
garbeam@5 85 if(ev->value_mask & CWY)
garbeam@20 86 c->y = ev->y;
garbeam@5 87 if(ev->value_mask & CWWidth)
garbeam@20 88 c->w = ev->width;
garbeam@5 89 if(ev->value_mask & CWHeight)
garbeam@20 90 c->h = ev->height;
garbeam@29 91 if(ev->value_mask & CWBorderWidth)
garbeam@55 92 c->border = 1;
garbeam@29 93 gravitate(c, False);
garbeam@53 94 resize(c, True);
garbeam@5 95 }
garbeam@5 96
garbeam@5 97 wc.x = ev->x;
garbeam@5 98 wc.y = ev->y;
garbeam@5 99 wc.width = ev->width;
garbeam@5 100 wc.height = ev->height;
garbeam@25 101 wc.border_width = 1;
garbeam@5 102 wc.sibling = None;
garbeam@5 103 wc.stack_mode = Above;
garbeam@5 104 ev->value_mask &= ~CWStackMode;
garbeam@5 105 ev->value_mask |= CWBorderWidth;
garbeam@5 106 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
garbeam@5 107 XFlush(dpy);
garbeam@5 108 }
garbeam@5 109
garbeam@5 110 static void
garbeam@5 111 destroynotify(XEvent *e)
garbeam@5 112 {
garbeam@5 113 Client *c;
garbeam@5 114 XDestroyWindowEvent *ev = &e->xdestroywindow;
garbeam@5 115
garbeam@11 116 if((c = getclient(ev->window)))
garbeam@11 117 unmanage(c);
garbeam@5 118 }
garbeam@5 119
garbeam@5 120 static void
garbeam@5 121 enternotify(XEvent *e)
garbeam@5 122 {
garbeam@5 123 XCrossingEvent *ev = &e->xcrossing;
garbeam@5 124 Client *c;
garbeam@5 125
garbeam@5 126 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
garbeam@5 127 return;
garbeam@5 128
garbeam@13 129 if((c = getclient(ev->window)))
garbeam@13 130 focus(c);
garbeam@26 131 else if(ev->window == root)
garbeam@31 132 issel = True;
garbeam@5 133 }
garbeam@5 134
garbeam@5 135 static void
garbeam@5 136 leavenotify(XEvent *e)
garbeam@5 137 {
garbeam@5 138 XCrossingEvent *ev = &e->xcrossing;
garbeam@5 139
garbeam@26 140 if((ev->window == root) && !ev->same_screen)
garbeam@31 141 issel = True;
garbeam@5 142 }
garbeam@5 143
garbeam@5 144 static void
garbeam@5 145 expose(XEvent *e)
garbeam@5 146 {
garbeam@5 147 XExposeEvent *ev = &e->xexpose;
garbeam@21 148 Client *c;
garbeam@5 149
garbeam@5 150 if(ev->count == 0) {
garbeam@23 151 if((c = gettitle(ev->window)))
garbeam@21 152 draw_client(c);
garbeam@5 153 }
garbeam@5 154 }
garbeam@5 155
garbeam@5 156 static void
garbeam@5 157 keymapnotify(XEvent *e)
garbeam@5 158 {
garbeam@5 159 update_keys();
garbeam@5 160 }
garbeam@5 161
garbeam@5 162 static void
garbeam@5 163 maprequest(XEvent *e)
garbeam@5 164 {
garbeam@5 165 XMapRequestEvent *ev = &e->xmaprequest;
garbeam@5 166 static XWindowAttributes wa;
garbeam@5 167
garbeam@5 168 if(!XGetWindowAttributes(dpy, ev->window, &wa))
garbeam@5 169 return;
garbeam@5 170
garbeam@5 171 if(wa.override_redirect) {
garbeam@5 172 XSelectInput(dpy, ev->window,
garbeam@5 173 (StructureNotifyMask | PropertyChangeMask));
garbeam@5 174 return;
garbeam@5 175 }
garbeam@5 176
garbeam@10 177 if(!getclient(ev->window))
garbeam@10 178 manage(ev->window, &wa);
garbeam@5 179 }
garbeam@5 180
garbeam@5 181 static void
garbeam@5 182 propertynotify(XEvent *e)
garbeam@5 183 {
garbeam@5 184 XPropertyEvent *ev = &e->xproperty;
garbeam@53 185 Window trans;
garbeam@5 186 Client *c;
garbeam@5 187
garbeam@5 188 if(ev->state == PropertyDelete)
garbeam@5 189 return; /* ignore */
garbeam@5 190
garbeam@13 191 if((c = getclient(ev->window))) {
garbeam@30 192 if(ev->atom == wm_atom[WMProtocols]) {
garbeam@30 193 c->proto = win_proto(c->win);
garbeam@30 194 return;
garbeam@30 195 }
garbeam@13 196 switch (ev->atom) {
garbeam@13 197 default: break;
garbeam@13 198 case XA_WM_TRANSIENT_FOR:
garbeam@53 199 XGetTransientForHint(dpy, c->win, &trans);
garbeam@53 200 if(!c->floating && (c->floating = (trans != 0)))
garbeam@53 201 arrange(NULL);
garbeam@13 202 break;
garbeam@13 203 case XA_WM_NORMAL_HINTS:
garbeam@20 204 update_size(c);
garbeam@13 205 break;
garbeam@13 206 }
garbeam@13 207 if(ev->atom == XA_WM_NAME || ev->atom == net_atom[NetWMName]) {
garbeam@13 208 update_name(c);
garbeam@32 209 draw_client(c);
garbeam@13 210 }
garbeam@13 211 }
garbeam@5 212 }
garbeam@5 213
garbeam@5 214 static void
garbeam@5 215 unmapnotify(XEvent *e)
garbeam@5 216 {
garbeam@5 217 Client *c;
garbeam@5 218 XUnmapEvent *ev = &e->xunmap;
garbeam@5 219
garbeam@10 220 if((c = getclient(ev->window)))
garbeam@10 221 unmanage(c);
garbeam@5 222 }