Mercurial > aewl
annotate event.c @ 20:4560e0882c1d
made code more readable
| author | Anselm R. Garbe <garbeam@wmii.de> |
|---|---|
| date | Tue, 11 Jul 2006 22:49:09 +0200 |
| parents | b5510d0c6d43 |
| children | 3ef108a5ca0a |
| rev | line source |
|---|---|
| 5 | 1 /* |
| 2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> | |
| 3 * See LICENSE file for license details. | |
| 4 */ | |
| 5 | |
| 6 #include <fcntl.h> | |
| 7 #include <stdlib.h> | |
| 8 #include <string.h> | |
| 9 #include <X11/keysym.h> | |
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10 #include <X11/Xatom.h> |
| 5 | 11 |
| 12 #include "wm.h" | |
| 13 | |
| 14 /* local functions */ | |
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15 static void buttonpress(XEvent *e); |
| 5 | 16 static void configurerequest(XEvent *e); |
| 17 static void destroynotify(XEvent *e); | |
| 18 static void enternotify(XEvent *e); | |
| 19 static void leavenotify(XEvent *e); | |
| 20 static void expose(XEvent *e); | |
| 21 static void keymapnotify(XEvent *e); | |
| 22 static void maprequest(XEvent *e); | |
| 23 static void propertynotify(XEvent *e); | |
| 24 static void unmapnotify(XEvent *e); | |
| 25 | |
| 26 void (*handler[LASTEvent]) (XEvent *) = { | |
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27 [ButtonPress] = buttonpress, |
| 5 | 28 [ConfigureRequest] = configurerequest, |
| 29 [DestroyNotify] = destroynotify, | |
| 30 [EnterNotify] = enternotify, | |
| 31 [LeaveNotify] = leavenotify, | |
| 32 [Expose] = expose, | |
| 33 [KeyPress] = keypress, | |
| 34 [KeymapNotify] = keymapnotify, | |
| 35 [MapRequest] = maprequest, | |
| 36 [PropertyNotify] = propertynotify, | |
| 37 [UnmapNotify] = unmapnotify | |
| 38 }; | |
| 39 | |
| 40 unsigned int | |
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41 discard_events(long even_mask) |
| 5 | 42 { |
| 43 XEvent ev; | |
| 44 unsigned int n = 0; | |
| 45 while(XCheckMaskEvent(dpy, even_mask, &ev)) n++; | |
| 46 return n; | |
| 47 } | |
| 48 | |
| 49 static void | |
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50 buttonpress(XEvent *e) |
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51 { |
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52 XButtonPressedEvent *ev = &e->xbutton; |
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53 Client *c; |
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54 |
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55 if((c = getclient(ev->window))) { |
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56 switch(ev->button) { |
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57 default: |
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58 break; |
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59 case Button1: |
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60 mmove(c); |
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61 break; |
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62 case Button2: |
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63 XLowerWindow(dpy, c->win); |
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64 break; |
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65 case Button3: |
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66 mresize(c); |
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67 break; |
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68 } |
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69 } |
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70 } |
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71 |
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72 static void |
| 5 | 73 configurerequest(XEvent *e) |
| 74 { | |
| 75 XConfigureRequestEvent *ev = &e->xconfigurerequest; | |
| 76 XWindowChanges wc; | |
| 77 Client *c; | |
| 78 | |
| 79 ev->value_mask &= ~CWSibling; | |
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80 if((c = getclient(ev->window))) { |
| 5 | 81 if(ev->value_mask & CWX) |
| 20 | 82 c->x = ev->x; |
| 5 | 83 if(ev->value_mask & CWY) |
| 20 | 84 c->y = ev->y; |
| 5 | 85 if(ev->value_mask & CWWidth) |
| 20 | 86 c->w = ev->width; |
| 5 | 87 if(ev->value_mask & CWHeight) |
| 20 | 88 c->h = ev->height; |
| 5 | 89 } |
| 90 | |
| 91 wc.x = ev->x; | |
| 92 wc.y = ev->y; | |
| 93 wc.width = ev->width; | |
| 94 wc.height = ev->height; | |
| 95 wc.border_width = 0; | |
| 96 wc.sibling = None; | |
| 97 wc.stack_mode = Above; | |
| 98 ev->value_mask &= ~CWStackMode; | |
| 99 ev->value_mask |= CWBorderWidth; | |
| 100 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc); | |
| 101 XFlush(dpy); | |
| 102 } | |
| 103 | |
| 104 static void | |
| 105 destroynotify(XEvent *e) | |
| 106 { | |
| 107 Client *c; | |
| 108 XDestroyWindowEvent *ev = &e->xdestroywindow; | |
| 109 | |
| 11 | 110 if((c = getclient(ev->window))) |
| 111 unmanage(c); | |
| 5 | 112 } |
| 113 | |
| 114 static void | |
| 115 enternotify(XEvent *e) | |
| 116 { | |
| 117 XCrossingEvent *ev = &e->xcrossing; | |
| 118 Client *c; | |
| 119 | |
| 120 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior) | |
| 121 return; | |
| 122 | |
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123 if((c = getclient(ev->window))) |
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124 focus(c); |
| 5 | 125 else if(ev->window == root) { |
| 126 sel_screen = True; | |
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127 /*draw_frames();*/ |
| 5 | 128 } |
| 129 } | |
| 130 | |
| 131 static void | |
| 132 leavenotify(XEvent *e) | |
| 133 { | |
| 134 XCrossingEvent *ev = &e->xcrossing; | |
| 135 | |
| 136 if((ev->window == root) && !ev->same_screen) { | |
| 137 sel_screen = True; | |
| 138 /*draw_frames();*/ | |
| 139 } | |
| 140 } | |
| 141 | |
| 142 static void | |
| 143 expose(XEvent *e) | |
| 144 { | |
| 145 XExposeEvent *ev = &e->xexpose; | |
| 146 | |
| 147 if(ev->count == 0) { | |
| 148 if(ev->window == barwin) | |
| 149 draw_bar(); | |
| 150 } | |
| 151 } | |
| 152 | |
| 153 static void | |
| 154 keymapnotify(XEvent *e) | |
| 155 { | |
| 156 update_keys(); | |
| 157 } | |
| 158 | |
| 159 static void | |
| 160 maprequest(XEvent *e) | |
| 161 { | |
| 162 XMapRequestEvent *ev = &e->xmaprequest; | |
| 163 static XWindowAttributes wa; | |
| 164 | |
| 165 if(!XGetWindowAttributes(dpy, ev->window, &wa)) | |
| 166 return; | |
| 167 | |
| 168 if(wa.override_redirect) { | |
| 169 XSelectInput(dpy, ev->window, | |
| 170 (StructureNotifyMask | PropertyChangeMask)); | |
| 171 return; | |
| 172 } | |
| 173 | |
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174 if(!getclient(ev->window)) |
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175 manage(ev->window, &wa); |
| 5 | 176 } |
| 177 | |
| 178 static void | |
| 179 propertynotify(XEvent *e) | |
| 180 { | |
| 181 XPropertyEvent *ev = &e->xproperty; | |
| 182 Client *c; | |
| 183 | |
| 184 if(ev->state == PropertyDelete) | |
| 185 return; /* ignore */ | |
| 186 | |
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187 if(ev->atom == wm_atom[WMProtocols]) { |
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188 c->proto = win_proto(c->win); |
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189 return; |
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190 } |
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191 if((c = getclient(ev->window))) { |
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192 switch (ev->atom) { |
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193 default: break; |
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194 case XA_WM_TRANSIENT_FOR: |
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195 XGetTransientForHint(dpy, c->win, &c->trans); |
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196 break; |
| 20 | 197 update_size(c); |
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198 case XA_WM_NORMAL_HINTS: |
| 20 | 199 update_size(c); |
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200 break; |
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201 } |
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202 if(ev->atom == XA_WM_NAME || ev->atom == net_atom[NetWMName]) { |
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203 update_name(c); |
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204 } |
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205 } |
| 5 | 206 } |
| 207 | |
| 208 static void | |
| 209 unmapnotify(XEvent *e) | |
| 210 { | |
| 211 Client *c; | |
| 212 XUnmapEvent *ev = &e->xunmap; | |
| 213 | |
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214 if((c = getclient(ev->window))) |
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215 unmanage(c); |
| 5 | 216 } |