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garbeam@5
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1 /*
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2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
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3 * See LICENSE file for license details.
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4 */
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5
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6 #include <stdlib.h>
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7 #include <string.h>
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8 #include <X11/Xatom.h>
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9
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10 #include "util.h"
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11 #include "wm.h"
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12
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13 static void
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14 update_client_name(Client *c)
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15 {
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16 XTextProperty name;
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17 int n;
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18 char **list = NULL;
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19
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20 name.nitems = 0;
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21 c->name[0] = 0;
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22 XGetTextProperty(dpy, c->win, &name, net_atom[NetWMName]);
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23 if(!name.nitems)
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24 XGetWMName(dpy, c->win, &name);
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25 if(!name.nitems)
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26 return;
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27 if(name.encoding == XA_STRING)
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28 strncpy(c->name, (char *)name.value, sizeof(c->name));
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29 else {
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30 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
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31 && n > 0 && *list)
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32 {
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33 strncpy(c->name, *list, sizeof(c->name));
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34 XFreeStringList(list);
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35 }
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36 }
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37 XFree(name.value);
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38 }
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39
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40 void
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41 manage(Window w, XWindowAttributes *wa)
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42 {
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43 Client *c, **l;
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44 XSetWindowAttributes twa;
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45 long msize;
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46
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47 c = emallocz(sizeof(Client));
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48 c->win = w;
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49 c->r[RFloat].x = wa->x;
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50 c->r[RFloat].y = wa->y;
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51 c->r[RFloat].width = wa->width;
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52 c->r[RFloat].height = wa->height;
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53 c->border = wa->border_width;
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54 XSetWindowBorderWidth(dpy, c->win, 0);
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55 XGetTransientForHint(dpy, c->win, &c->trans);
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56 if(!XGetWMNormalHints(dpy, c->win, &c->size, &msize) || !c->size.flags)
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57 c->size.flags = PSize;
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58 c->fixedsize =
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59 (c->size.flags & PMinSize && c->size.flags & PMaxSize
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60 && c->size.min_width == c->size.max_width
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61 && c->size.min_height == c->size.max_height);
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62 update_client_name(c);
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63 twa.override_redirect = 1;
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64 twa.background_pixmap = ParentRelative;
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65 twa.event_mask = ExposureMask;
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66
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67 c->title = XCreateWindow(dpy, root, c->r[RFloat].x, c->r[RFloat].y,
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68 c->r[RFloat].width, barrect.height, 0,
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69 DefaultDepth(dpy, screen), CopyFromParent,
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70 DefaultVisual(dpy, screen),
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71 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
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72
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73 for(l=&clients; *l; l=&(*l)->next);
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74 c->next = *l; /* *l == nil */
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75 *l = c;
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76 XMapRaised(dpy, c->win);
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77 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
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78 XFlush(dpy);
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79 }
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80
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81 static int
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82 dummy_error_handler(Display *dpy, XErrorEvent *error)
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83 {
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84 return 0;
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85 }
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86
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87 void
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88 unmanage(Client *c)
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89 {
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90 Client **l;
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91
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92 XGrabServer(dpy);
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93 XSetErrorHandler(dummy_error_handler);
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94
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95 XUnmapWindow(dpy, c->win);
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96 XDestroyWindow(dpy, c->title);
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97
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98 for(l=&clients; *l && *l != c; l=&(*l)->next);
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99 eassert(*l == c);
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100 *l = c->next;
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101 free(c);
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102
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103 XFlush(dpy);
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104 XSetErrorHandler(error_handler);
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105 XUngrabServer(dpy);
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106 /*flush_masked_events(EnterWindowMask); ? */
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107 }
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108
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109
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110 Client *
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111 getclient(Window w)
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112 {
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113 Client *c;
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114 for(c = clients; c; c = c->next)
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115 if(c->win == w)
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116 return c;
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117 return NULL;
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118 }
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