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annotate event.c @ 19:b5510d0c6d43

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added basic mouse support (actually we don't need more)
author Anselm R. Garbe <garbeam@wmii.de>
date Tue, 11 Jul 2006 21:41:49 +0200
parents 1efa34c6e1b6
children 4560e0882c1d
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@5 12 #include "wm.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@5 40 unsigned int
garbeam@18 41 discard_events(long even_mask)
garbeam@5 42 {
garbeam@5 43 XEvent ev;
garbeam@5 44 unsigned int n = 0;
garbeam@5 45 while(XCheckMaskEvent(dpy, even_mask, &ev)) n++;
garbeam@5 46 return n;
garbeam@5 47 }
garbeam@5 48
garbeam@5 49 static void
garbeam@18 50 buttonpress(XEvent *e)
garbeam@18 51 {
garbeam@18 52 XButtonPressedEvent *ev = &e->xbutton;
garbeam@18 53 Client *c;
garbeam@18 54
garbeam@18 55 if((c = getclient(ev->window))) {
garbeam@18 56 switch(ev->button) {
garbeam@18 57 default:
garbeam@18 58 break;
garbeam@18 59 case Button1:
garbeam@18 60 mmove(c);
garbeam@18 61 break;
garbeam@18 62 case Button2:
garbeam@18 63 XLowerWindow(dpy, c->win);
garbeam@18 64 break;
garbeam@18 65 case Button3:
garbeam@18 66 mresize(c);
garbeam@18 67 break;
garbeam@18 68 }
garbeam@18 69 }
garbeam@18 70 }
garbeam@18 71
garbeam@18 72 static void
garbeam@5 73 configurerequest(XEvent *e)
garbeam@5 74 {
garbeam@5 75 XConfigureRequestEvent *ev = &e->xconfigurerequest;
garbeam@5 76 XWindowChanges wc;
garbeam@5 77 Client *c;
garbeam@5 78
garbeam@5 79 ev->value_mask &= ~CWSibling;
garbeam@18 80 if((c = getclient(ev->window))) {
garbeam@5 81 if(ev->value_mask & CWX)
garbeam@9 82 c->r[RFloat].x = ev->x;
garbeam@5 83 if(ev->value_mask & CWY)
garbeam@9 84 c->r[RFloat].y = ev->y;
garbeam@5 85 if(ev->value_mask & CWWidth)
garbeam@9 86 c->r[RFloat].width = ev->width;
garbeam@5 87 if(ev->value_mask & CWHeight)
garbeam@9 88 c->r[RFloat].height = ev->height;
garbeam@5 89 }
garbeam@5 90
garbeam@5 91 wc.x = ev->x;
garbeam@5 92 wc.y = ev->y;
garbeam@5 93 wc.width = ev->width;
garbeam@5 94 wc.height = ev->height;
garbeam@5 95 wc.border_width = 0;
garbeam@5 96 wc.sibling = None;
garbeam@5 97 wc.stack_mode = Above;
garbeam@5 98 ev->value_mask &= ~CWStackMode;
garbeam@5 99 ev->value_mask |= CWBorderWidth;
garbeam@5 100 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
garbeam@5 101 XFlush(dpy);
garbeam@5 102 }
garbeam@5 103
garbeam@5 104 static void
garbeam@5 105 destroynotify(XEvent *e)
garbeam@5 106 {
garbeam@5 107 Client *c;
garbeam@5 108 XDestroyWindowEvent *ev = &e->xdestroywindow;
garbeam@5 109
garbeam@11 110 if((c = getclient(ev->window)))
garbeam@11 111 unmanage(c);
garbeam@5 112 }
garbeam@5 113
garbeam@5 114 static void
garbeam@5 115 enternotify(XEvent *e)
garbeam@5 116 {
garbeam@5 117 XCrossingEvent *ev = &e->xcrossing;
garbeam@5 118 Client *c;
garbeam@5 119
garbeam@5 120 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
garbeam@5 121 return;
garbeam@5 122
garbeam@13 123 if((c = getclient(ev->window)))
garbeam@13 124 focus(c);
garbeam@5 125 else if(ev->window == root) {
garbeam@5 126 sel_screen = True;
garbeam@13 127 /*draw_frames();*/
garbeam@5 128 }
garbeam@5 129 }
garbeam@5 130
garbeam@5 131 static void
garbeam@5 132 leavenotify(XEvent *e)
garbeam@5 133 {
garbeam@5 134 XCrossingEvent *ev = &e->xcrossing;
garbeam@5 135
garbeam@5 136 if((ev->window == root) && !ev->same_screen) {
garbeam@5 137 sel_screen = True;
garbeam@5 138 /*draw_frames();*/
garbeam@5 139 }
garbeam@5 140 }
garbeam@5 141
garbeam@5 142 static void
garbeam@5 143 expose(XEvent *e)
garbeam@5 144 {
garbeam@5 145 XExposeEvent *ev = &e->xexpose;
garbeam@5 146
garbeam@5 147 if(ev->count == 0) {
garbeam@5 148 if(ev->window == barwin)
garbeam@5 149 draw_bar();
garbeam@5 150 }
garbeam@5 151 }
garbeam@5 152
garbeam@5 153 static void
garbeam@5 154 keymapnotify(XEvent *e)
garbeam@5 155 {
garbeam@5 156 update_keys();
garbeam@5 157 }
garbeam@5 158
garbeam@5 159 static void
garbeam@5 160 maprequest(XEvent *e)
garbeam@5 161 {
garbeam@5 162 XMapRequestEvent *ev = &e->xmaprequest;
garbeam@5 163 static XWindowAttributes wa;
garbeam@5 164
garbeam@5 165 if(!XGetWindowAttributes(dpy, ev->window, &wa))
garbeam@5 166 return;
garbeam@5 167
garbeam@5 168 if(wa.override_redirect) {
garbeam@5 169 XSelectInput(dpy, ev->window,
garbeam@5 170 (StructureNotifyMask | PropertyChangeMask));
garbeam@5 171 return;
garbeam@5 172 }
garbeam@5 173
garbeam@10 174 if(!getclient(ev->window))
garbeam@10 175 manage(ev->window, &wa);
garbeam@5 176 }
garbeam@5 177
garbeam@5 178 static void
garbeam@5 179 propertynotify(XEvent *e)
garbeam@5 180 {
garbeam@5 181 XPropertyEvent *ev = &e->xproperty;
garbeam@13 182 long msize;
garbeam@5 183 Client *c;
garbeam@5 184
garbeam@5 185 if(ev->state == PropertyDelete)
garbeam@5 186 return; /* ignore */
garbeam@5 187
garbeam@13 188 if(ev->atom == wm_atom[WMProtocols]) {
garbeam@13 189 c->proto = win_proto(c->win);
garbeam@13 190 return;
garbeam@13 191 }
garbeam@13 192 if((c = getclient(ev->window))) {
garbeam@13 193 switch (ev->atom) {
garbeam@13 194 default: break;
garbeam@13 195 case XA_WM_TRANSIENT_FOR:
garbeam@13 196 XGetTransientForHint(dpy, c->win, &c->trans);
garbeam@13 197 break;
garbeam@13 198 case XA_WM_NORMAL_HINTS:
garbeam@13 199 if(!XGetWMNormalHints(dpy, c->win, &c->size, &msize)
garbeam@13 200 || !c->size.flags)
garbeam@13 201 c->size.flags = PSize;
garbeam@13 202 if(c->size.flags & PMinSize && c->size.flags & PMaxSize
garbeam@13 203 && c->size.min_width == c->size.max_width
garbeam@13 204 && c->size.min_height == c->size.max_height)
garbeam@13 205 c->fixedsize = True;
garbeam@13 206 else
garbeam@13 207 c->fixedsize = False;
garbeam@13 208 break;
garbeam@13 209 }
garbeam@13 210 if(ev->atom == XA_WM_NAME || ev->atom == net_atom[NetWMName]) {
garbeam@13 211 update_name(c);
garbeam@13 212 }
garbeam@13 213 }
garbeam@5 214 }
garbeam@5 215
garbeam@5 216 static void
garbeam@5 217 unmapnotify(XEvent *e)
garbeam@5 218 {
garbeam@5 219 Client *c;
garbeam@5 220 XUnmapEvent *ev = &e->xunmap;
garbeam@5 221
garbeam@10 222 if((c = getclient(ev->window)))
garbeam@10 223 unmanage(c);
garbeam@5 224 }