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1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
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2 * See LICENSE file for license details.
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3 */
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4 #include "dwm.h"
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5 #include <stdio.h>
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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 #include <X11/Xutil.h>
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10
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11 /* static */
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12
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13 static void
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14 attachstack(Client *c) {
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15 c->snext = stack;
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16 stack = c;
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17 }
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18
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19 static void
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20 detachstack(Client *c) {
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21 Client **tc;
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22
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23 for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
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24 *tc = c->snext;
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25 }
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26
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27 static void
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28 grabbuttons(Client *c, Bool focused) {
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29 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
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30
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31 if(focused) {
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32 XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
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33 GrabModeAsync, GrabModeSync, None, None);
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34 XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
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35 GrabModeAsync, GrabModeSync, None, None);
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36 XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
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37 GrabModeAsync, GrabModeSync, None, None);
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38 XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
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39 GrabModeAsync, GrabModeSync, None, None);
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40
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41 XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
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42 GrabModeAsync, GrabModeSync, None, None);
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43 XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
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44 GrabModeAsync, GrabModeSync, None, None);
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45 XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
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46 GrabModeAsync, GrabModeSync, None, None);
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47 XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
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48 GrabModeAsync, GrabModeSync, None, None);
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49
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50 XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
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51 GrabModeAsync, GrabModeSync, None, None);
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52 XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
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53 GrabModeAsync, GrabModeSync, None, None);
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54 XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
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55 GrabModeAsync, GrabModeSync, None, None);
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56 XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
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57 GrabModeAsync, GrabModeSync, None, None);
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58 }
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59 else
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60 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
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61 GrabModeAsync, GrabModeSync, None, None);
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62 }
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63
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64 static Bool
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65 isprotodel(Client *c) {
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66 int i, n;
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67 Atom *protocols;
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68 Bool ret = False;
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69
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70 if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
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71 for(i = 0; !ret && i < n; i++)
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72 if(protocols[i] == wmatom[WMDelete])
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73 ret = True;
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74 XFree(protocols);
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75 }
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76 return ret;
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77 }
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78
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79 static void
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80 setclientstate(Client *c, long state) {
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81 long data[] = {state, None};
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82
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83 XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
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84 PropModeReplace, (unsigned char *)data, 2);
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85 }
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86
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87 static void
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88 togglemax(Client *c) {
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89 XEvent ev;
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90
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91 if(c->isfixed)
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92 return;
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93 if((c->ismax = !c->ismax)) {
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94 c->rx = c->x;
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95 c->ry = c->y;
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96 c->rw = c->w;
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97 c->rh = c->h;
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98 resize(c, wax, way, waw - 2 * BORDERPX, wah - 2 * BORDERPX, True);
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99 }
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100 else
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101 resize(c, c->rx, c->ry, c->rw, c->rh, True);
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102 while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
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103 }
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104
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105 static int
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106 xerrordummy(Display *dsply, XErrorEvent *ee) {
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107 return 0;
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108 }
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109
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110 /* extern */
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111
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112 void
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113 attach(Client *c) {
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114 if(clients)
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115 clients->prev = c;
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116 c->next = clients;
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117 clients = c;
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118 }
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119
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120 void
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121 configure(Client *c) {
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122 XConfigureEvent ce;
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123
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124 ce.type = ConfigureNotify;
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125 ce.display = dpy;
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126 ce.event = c->win;
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127 ce.window = c->win;
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128 ce.x = c->x;
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129 ce.y = c->y;
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130 ce.width = c->w;
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131 ce.height = c->h;
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132 ce.border_width = c->border;
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133 ce.above = None;
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134 ce.override_redirect = False;
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135 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
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136 }
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137
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138 void
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139 detach(Client *c) {
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140 if(c->prev)
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141 c->prev->next = c->next;
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142 if(c->next)
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143 c->next->prev = c->prev;
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144 if(c == clients)
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145 clients = c->next;
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146 c->next = c->prev = NULL;
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147 }
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148
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149 void
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150 focus(Client *c) {
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151 if(c && !isvisible(c))
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152 return;
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153 if(sel && sel != c) {
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154 grabbuttons(sel, False);
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155 XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
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156 }
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157 if(c) {
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158 detachstack(c);
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159 attachstack(c);
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160 grabbuttons(c, True);
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161 }
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162 sel = c;
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163 drawstatus();
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164 if(!selscreen)
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165 return;
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166 if(c) {
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167 XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
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168 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
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169 }
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170 else
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171 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
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172 }
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173
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174 void
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175 killclient(Arg *arg) {
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176 if(!sel)
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177 return;
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178 if(isprotodel(sel))
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179 sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
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180 else
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181 XKillClient(dpy, sel->win);
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182 }
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183
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184 void
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185 manage(Window w, XWindowAttributes *wa) {
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186 Client *c, *t;
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187 Window trans;
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188 XWindowChanges wc;
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189
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190 c = emallocz(sizeof(Client));
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191 c->tags = emallocz(ntags * sizeof(Bool));
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192 c->win = w;
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193 c->x = wa->x;
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194 c->y = wa->y;
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195 c->w = wa->width;
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196 c->h = wa->height;
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197 if(c->w == sw && c->h == sh) {
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198 c->border = 0;
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199 c->x = sx;
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200 c->y = sy;
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201 }
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202 else {
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203 c->border = BORDERPX;
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204 if(c->x > wax + waw && c-> w < waw)
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205 c->x = wax + waw - c->w - 2 * c->border;
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206 if(c->y > way + wah && c-> h < wah)
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207 c->y = way + wah - c->h - 2 * c->border;
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208 if(c->x < wax && c->w < waw)
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209 c->x = wax;
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210 if(c->y < way && c->h < wah)
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211 c->y = way;
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212 }
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213 XSelectInput(dpy, w,
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214 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
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215 XGetTransientForHint(dpy, w, &trans);
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216 grabbuttons(c, False);
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217 wc.border_width = c->border;
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218 XConfigureWindow(dpy, w, CWBorderWidth, &wc);
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219 XSetWindowBorder(dpy, w, dc.norm[ColBorder]);
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220 configure(c); /* propagates border_width, if size doesn't change */
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221 updatetitle(c);
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222 for(t = clients; t && t->win != trans; t = t->next);
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223 settags(c, t);
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224 if(!c->isversatile)
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225 c->isversatile = (t != NULL) || c->isfixed;
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226 attach(c);
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227 attachstack(c);
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228 c->isbanned = True;
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229 XMoveWindow(dpy, w, c->x + 2 * sw, c->y);
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230 XMapWindow(dpy, w);
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231 setclientstate(c, NormalState);
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232 if(isvisible(c))
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233 focus(c);
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234 updatesizehints(c);
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235 lt->arrange();
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236 }
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237
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238 void
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239 resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
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240 float actual, dx, dy, max, min;
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241 XWindowChanges wc;
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242
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243 if(w <= 0 || h <= 0)
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244 return;
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245 if(sizehints) {
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246 if(c->minw && w < c->minw)
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247 w = c->minw;
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248 if(c->minh && h < c->minh)
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249 h = c->minh;
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250 if(c->maxw && w > c->maxw)
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251 w = c->maxw;
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252 if(c->maxh && h > c->maxh)
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253 h = c->maxh;
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254 /* inspired by algorithm from fluxbox */
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255 if(c->minay > 0 && c->maxay && (h - c->baseh) > 0) {
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256 dx = (float)(w - c->basew);
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257 dy = (float)(h - c->baseh);
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258 min = (float)(c->minax) / (float)(c->minay);
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259 max = (float)(c->maxax) / (float)(c->maxay);
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260 actual = dx / dy;
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261 if(max > 0 && min > 0 && actual > 0) {
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262 if(actual < min) {
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263 dy = (dx * min + dy) / (min * min + 1);
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264 dx = dy * min;
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265 w = (int)dx + c->basew;
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266 h = (int)dy + c->baseh;
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267 }
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268 else if(actual > max) {
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269 dy = (dx * min + dy) / (max * max + 1);
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270 dx = dy * min;
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271 w = (int)dx + c->basew;
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272 h = (int)dy + c->baseh;
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273 }
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274 }
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275 }
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276 if(c->incw)
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277 w -= (w - c->basew) % c->incw;
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278 if(c->inch)
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279 h -= (h - c->baseh) % c->inch;
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280 }
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281 if(w == sw && h == sh)
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282 c->border = 0;
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283 else
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284 c->border = BORDERPX;
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285 /* offscreen appearance fixes */
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286 if(x > sw)
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287 x = sw - w - 2 * c->border;
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288 if(y > sh)
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289 y = sh - h - 2 * c->border;
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290 if(x + w + 2 * c->border < sx)
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291 x = sx;
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292 if(y + h + 2 * c->border < sy)
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293 y = sy;
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294 /* if(c->x != x || c->y != y || c->w != w || c->h != h) { */
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295 c->x = wc.x = x;
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296 c->y = wc.y = y;
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297 c->w = wc.width = w;
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298 c->h = wc.height = h;
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299 wc.border_width = c->border;
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300 XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
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301 configure(c);
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302 XSync(dpy, False);
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303 /* } */
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304 }
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305
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306 void
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307 toggleversatile(Arg *arg) {
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308 if(!sel || lt->arrange == versatile)
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309 return;
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310 sel->isversatile = !sel->isversatile;
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311 lt->arrange();
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312 }
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313
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314 void
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315 updatesizehints(Client *c) {
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316 long msize;
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317 XSizeHints size;
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318
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319 if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
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320 size.flags = PSize;
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321 c->flags = size.flags;
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322 if(c->flags & PBaseSize) {
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323 c->basew = size.base_width;
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324 c->baseh = size.base_height;
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325 }
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326 else
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327 c->basew = c->baseh = 0;
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328 if(c->flags & PResizeInc) {
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329 c->incw = size.width_inc;
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330 c->inch = size.height_inc;
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331 }
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332 else
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333 c->incw = c->inch = 0;
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334 if(c->flags & PMaxSize) {
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335 c->maxw = size.max_width;
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336 c->maxh = size.max_height;
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337 }
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338 else
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339 c->maxw = c->maxh = 0;
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340 if(c->flags & PMinSize) {
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341 c->minw = size.min_width;
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342 c->minh = size.min_height;
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343 }
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344 else
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345 c->minw = c->minh = 0;
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346 if(c->flags & PAspect) {
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347 c->minax = size.min_aspect.x;
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348 c->minay = size.min_aspect.y;
|
paulo@0
|
349 c->maxax = size.max_aspect.x;
|
paulo@0
|
350 c->maxay = size.max_aspect.y;
|
paulo@0
|
351 }
|
paulo@0
|
352 else
|
paulo@0
|
353 c->minax = c->minay = c->maxax = c->maxay = 0;
|
paulo@0
|
354 c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
|
paulo@0
|
355 && c->maxw == c->minw && c->maxh == c->minh);
|
paulo@0
|
356 }
|
paulo@0
|
357
|
paulo@0
|
358 void
|
paulo@0
|
359 updatetitle(Client *c) {
|
paulo@0
|
360 char **list = NULL;
|
paulo@0
|
361 int n;
|
paulo@0
|
362 XTextProperty name;
|
paulo@0
|
363
|
paulo@0
|
364 name.nitems = 0;
|
paulo@0
|
365 c->name[0] = 0;
|
paulo@0
|
366 XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
|
paulo@0
|
367 if(!name.nitems)
|
paulo@0
|
368 XGetWMName(dpy, c->win, &name);
|
paulo@0
|
369 if(!name.nitems)
|
paulo@0
|
370 return;
|
paulo@0
|
371 if(name.encoding == XA_STRING)
|
paulo@0
|
372 strncpy(c->name, (char *)name.value, sizeof c->name);
|
paulo@0
|
373 else {
|
paulo@0
|
374 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
|
paulo@0
|
375 && n > 0 && *list)
|
paulo@0
|
376 {
|
paulo@0
|
377 strncpy(c->name, *list, sizeof c->name);
|
paulo@0
|
378 XFreeStringList(list);
|
paulo@0
|
379 }
|
paulo@0
|
380 }
|
paulo@0
|
381 XFree(name.value);
|
paulo@0
|
382 }
|
paulo@0
|
383
|
paulo@0
|
384 void
|
paulo@0
|
385 unmanage(Client *c) {
|
paulo@0
|
386 Client *nc;
|
paulo@0
|
387
|
paulo@0
|
388 /* The server grab construct avoids race conditions. */
|
paulo@0
|
389 XGrabServer(dpy);
|
paulo@0
|
390 XSetErrorHandler(xerrordummy);
|
paulo@0
|
391 detach(c);
|
paulo@0
|
392 detachstack(c);
|
paulo@0
|
393 if(sel == c) {
|
paulo@0
|
394 for(nc = stack; nc && !isvisible(nc); nc = nc->snext);
|
paulo@0
|
395 focus(nc);
|
paulo@0
|
396 }
|
paulo@0
|
397 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
|
paulo@0
|
398 setclientstate(c, WithdrawnState);
|
paulo@0
|
399 free(c->tags);
|
paulo@0
|
400 free(c);
|
paulo@0
|
401 XSync(dpy, False);
|
paulo@0
|
402 XSetErrorHandler(xerror);
|
paulo@0
|
403 XUngrabServer(dpy);
|
paulo@0
|
404 lt->arrange();
|
paulo@0
|
405 }
|
paulo@0
|
406
|
paulo@0
|
407 void
|
paulo@0
|
408 zoom(Arg *arg) {
|
paulo@0
|
409 unsigned int n;
|
paulo@0
|
410 Client *c;
|
paulo@0
|
411
|
paulo@0
|
412 if(!sel)
|
paulo@0
|
413 return;
|
paulo@0
|
414 if(sel->isversatile || (lt->arrange == versatile)) {
|
paulo@0
|
415 togglemax(sel);
|
paulo@0
|
416 return;
|
paulo@0
|
417 }
|
paulo@0
|
418 for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
|
paulo@0
|
419 n++;
|
paulo@0
|
420 if((c = sel) == nexttiled(clients))
|
paulo@0
|
421 if(!(c = nexttiled(c->next)))
|
paulo@0
|
422 return;
|
paulo@0
|
423 detach(c);
|
paulo@0
|
424 attach(c);
|
paulo@0
|
425 focus(c);
|
paulo@0
|
426 lt->arrange();
|
paulo@0
|
427 }
|
paulo@0
|
428
|
paulo@0
|
429 Client *
|
paulo@0
|
430 prevtiled(Client *c) {
|
paulo@0
|
431 for(; c && (c->isversatile || !isvisible(c)); c = c->prev);
|
paulo@0
|
432 return c;
|
paulo@0
|
433 }
|
paulo@0
|
434
|
paulo@0
|
435 void
|
paulo@0
|
436 pushup(Arg *arg) {
|
paulo@0
|
437 Client *c;
|
paulo@0
|
438
|
paulo@0
|
439 if(!sel || sel->isversatile)
|
paulo@0
|
440 return;
|
paulo@0
|
441 if((c = prevtiled(sel->prev))) {
|
paulo@0
|
442 /* attach before c */
|
paulo@0
|
443 detach(sel);
|
paulo@0
|
444 sel->next = c;
|
paulo@0
|
445 sel->prev = c->prev;
|
paulo@0
|
446 c->prev = sel;
|
paulo@0
|
447 if(sel->prev)
|
paulo@0
|
448 sel->prev->next = sel;
|
paulo@0
|
449 else
|
paulo@0
|
450 clients = sel;
|
paulo@0
|
451 } else {
|
paulo@0
|
452 /* move to the end */
|
paulo@0
|
453 for(c = sel; c->next; c = c->next);
|
paulo@0
|
454 detach(sel);
|
paulo@0
|
455 sel->prev = c;
|
paulo@0
|
456 c->next = sel;
|
paulo@0
|
457 }
|
paulo@0
|
458 focus(sel);
|
paulo@0
|
459 lt->arrange();
|
paulo@0
|
460 }
|
paulo@0
|
461
|
paulo@0
|
462 void
|
paulo@0
|
463 pushdown(Arg *arg) {
|
paulo@0
|
464 Client *c;
|
paulo@0
|
465
|
paulo@0
|
466 if(!sel || sel->isversatile)
|
paulo@0
|
467 return;
|
paulo@0
|
468 if((c = nexttiled(sel->next))) {
|
paulo@0
|
469 /* attach after c */
|
paulo@0
|
470 detach(sel);
|
paulo@0
|
471 sel->prev = c;
|
paulo@0
|
472 sel->next = c->next;
|
paulo@0
|
473 c->next = sel;
|
paulo@0
|
474 if(sel->next)
|
paulo@0
|
475 sel->next->prev = sel;
|
paulo@0
|
476 } else {
|
paulo@0
|
477 /* move to the front */
|
paulo@0
|
478 detach(sel);
|
paulo@0
|
479 attach(sel);
|
paulo@0
|
480 }
|
paulo@0
|
481 focus(sel);
|
paulo@0
|
482 lt->arrange();
|
paulo@0
|
483 }
|
paulo@0
|
484
|
paulo@0
|
485 void
|
paulo@0
|
486 moveresize(Arg *arg) {
|
paulo@0
|
487 int x, y, w, h, nx, ny, nw, nh, ox, oy, ow, oh;
|
paulo@0
|
488 char xAbs, yAbs, wAbs, hAbs;
|
paulo@0
|
489 int mx, my, dx, dy, nmx, nmy;
|
paulo@0
|
490 unsigned int dui;
|
paulo@0
|
491 Window dummy;
|
paulo@0
|
492
|
paulo@0
|
493 if (lt->arrange != versatile)
|
paulo@0
|
494 if (!sel || !sel->isversatile || !arg)
|
paulo@0
|
495 return;
|
paulo@0
|
496 if(sscanf(arg->cmd, "%d%c %d%c %d%c %d%c", &x, &xAbs, &y, &yAbs, &w, &wAbs, &h, &hAbs) != 8)
|
paulo@0
|
497 return;
|
paulo@0
|
498 nx = xAbs == 'X' ? x : sel->x + x;
|
paulo@0
|
499 ny = yAbs == 'Y' ? y : sel->y + y;
|
paulo@0
|
500 nw = wAbs == 'W' ? w : sel->w + w;
|
paulo@0
|
501 nh = hAbs == 'H' ? h : sel->h + h;
|
paulo@0
|
502
|
paulo@0
|
503 ox = sel->x;
|
paulo@0
|
504 oy = sel->y;
|
paulo@0
|
505 ow = sel->w;
|
paulo@0
|
506 oh = sel->h;
|
paulo@0
|
507
|
paulo@0
|
508 Bool xqp = XQueryPointer(dpy, root, &dummy, &dummy, &mx, &my, &dx, &dy, &dui);
|
paulo@0
|
509 resize(sel, nx, ny, nw, nh, True);
|
paulo@0
|
510 if (xqp && ox <= mx && (ox + ow) >= mx && oy <= my && (oy + oh) >= my)
|
paulo@0
|
511 {
|
paulo@0
|
512 nmx = mx-ox+sel->w-ow-1 < 0 ? 0 : mx-ox+sel->w-ow-1;
|
paulo@0
|
513 nmy = my-oy+sel->h-oh-1 < 0 ? 0 : my-oy+sel->h-oh-1;
|
paulo@0
|
514 XWarpPointer(dpy, None, sel->win, 0, 0, 0, 0, nmx, nmy);
|
paulo@0
|
515 }
|
paulo@0
|
516 }
|
paulo@0
|
517
|