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1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3    focus_cycle_indicator.c for the Openbox window manager
4    Copyright (c) 2006        Mikael Magnusson
5    Copyright (c) 2003-2007   Dana Jansens
6
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    See the COPYING file for a copy of the GNU General Public License.
18 */
19
20 #include "focus_cycle.h"
21 #include "focus_cycle_indicator.h"
22 #include "client.h"
23 #include "openbox.h"
24 #include "frame.h"
25 #include "event.h"
26 #include "obrender/render.h"
27
28 #include <X11/Xlib.h>
29 #include <glib.h>
30
31 #define FOCUS_INDICATOR_WIDTH 6
32
33 static struct
34 {
35     ObInternalWindow *top;
36     ObInternalWindow *left;
37     ObInternalWindow *right;
38     ObInternalWindow *bottom;
39 } focus_indicator;
40
41 static RrAppearance *a_focus_indicator;
42 static RrColor      *color_white;
43 static gboolean      visible;
44
45 static Window create_window(Window parent, const Rect *r, gint border,
46                             gint depth, gulong mask,
47                             XSetWindowAttributes *attrib)
48 {
49     return XCreateWindow(obt_display, parent,
50                          r->x, r->y, r->width, r->height, border,
51                          depth, InputOutput,
52                          0, mask, attrib);
53
54 }
55
56 void focus_cycle_indicator_startup(gboolean reconfig)
57 {
58     Window w;
59     gint depth;
60     XSetWindowAttributes attr;
61     const Rect r = {0, 0, 1, 1};
62     const gint b = 0;
63
64     visible = FALSE;
65
66     if (reconfig) return;
67
68     depth = RrDepth(ob_rr_inst);
69     attr.override_redirect = True;
70     attr.background_pixel = BlackPixel(obt_display, ob_screen);
71
72     w = create_window(obt_root(ob_screen), &r, b, depth,
73                       CWOverrideRedirect | CWBackPixel, &attr);
74     focus_indicator.top = window_internal_new(w, &r, b, depth);
75     w = create_window(obt_root(ob_screen), &r, b, depth,
76                       CWOverrideRedirect | CWBackPixel, &attr);
77     focus_indicator.left = window_internal_new(w, &r, b, depth);
78     w = create_window(obt_root(ob_screen), &r, b, depth,
79                       CWOverrideRedirect | CWBackPixel, &attr);
80     focus_indicator.right = window_internal_new(w, &r, b, depth);
81     w = create_window(obt_root(ob_screen), &r, b, depth,
82                       CWOverrideRedirect | CWBackPixel, &attr);
83     focus_indicator.bottom = window_internal_new(w, &r, b, depth);
84
85     stacking_add(INTERNAL_AS_WINDOW(focus_indicator.top));
86     stacking_add(INTERNAL_AS_WINDOW(focus_indicator.left));
87     stacking_add(INTERNAL_AS_WINDOW(focus_indicator.right));
88     stacking_add(INTERNAL_AS_WINDOW(focus_indicator.bottom));
89     window_add(&focus_indicator.top->window,
90                INTERNAL_AS_WINDOW(focus_indicator.top));
91     window_add(&focus_indicator.left->window,
92                INTERNAL_AS_WINDOW(focus_indicator.left));
93     window_add(&focus_indicator.right->window,
94                INTERNAL_AS_WINDOW(focus_indicator.right));
95     window_add(&focus_indicator.bottom->window,
96                INTERNAL_AS_WINDOW(focus_indicator.bottom));
97
98     color_white = RrColorNew(ob_rr_inst, 0xff, 0xff, 0xff);
99
100     a_focus_indicator = RrAppearanceNew(ob_rr_inst, 4);
101     a_focus_indicator->surface.grad = RR_SURFACE_SOLID;
102     a_focus_indicator->surface.relief = RR_RELIEF_FLAT;
103     a_focus_indicator->surface.primary = RrColorNew(ob_rr_inst,
104                                                     0, 0, 0);
105     a_focus_indicator->texture[0].type = RR_TEXTURE_LINE_ART;
106     a_focus_indicator->texture[0].data.lineart.color = color_white;
107     a_focus_indicator->texture[1].type = RR_TEXTURE_LINE_ART;
108     a_focus_indicator->texture[1].data.lineart.color = color_white;
109     a_focus_indicator->texture[2].type = RR_TEXTURE_LINE_ART;
110     a_focus_indicator->texture[2].data.lineart.color = color_white;
111     a_focus_indicator->texture[3].type = RR_TEXTURE_LINE_ART;
112     a_focus_indicator->texture[3].data.lineart.color = color_white;
113 }
114
115 void focus_cycle_indicator_shutdown(gboolean reconfig)
116 {
117     if (reconfig) return;
118
119     RrColorFree(color_white);
120
121     RrAppearanceFree(a_focus_indicator);
122
123     window_cleanup(INTERNAL_AS_WINDOW(focus_indicator.top));
124     window_cleanup(INTERNAL_AS_WINDOW(focus_indicator.left));
125     window_cleanup(INTERNAL_AS_WINDOW(focus_indicator.right));
126     window_cleanup(INTERNAL_AS_WINDOW(focus_indicator.bottom));
127
128     window_remove(focus_indicator.top->window);
129     window_remove(focus_indicator.left->window);
130     window_remove(focus_indicator.right->window);
131     window_remove(focus_indicator.bottom->window);
132
133     stacking_remove(INTERNAL_AS_WINDOW(focus_indicator.top));
134     stacking_remove(INTERNAL_AS_WINDOW(focus_indicator.left));
135     stacking_remove(INTERNAL_AS_WINDOW(focus_indicator.right));
136     stacking_remove(INTERNAL_AS_WINDOW(focus_indicator.bottom));
137
138     XDestroyWindow(obt_display, focus_indicator.top->window);
139     XDestroyWindow(obt_display, focus_indicator.left->window);
140     XDestroyWindow(obt_display, focus_indicator.right->window);
141     XDestroyWindow(obt_display, focus_indicator.bottom->window);
142
143     window_free(INTERNAL_AS_WINDOW(focus_indicator.top));
144     window_free(INTERNAL_AS_WINDOW(focus_indicator.left));
145     window_free(INTERNAL_AS_WINDOW(focus_indicator.right));
146     window_free(INTERNAL_AS_WINDOW(focus_indicator.bottom));
147 }
148
149 void focus_cycle_update_indicator(ObClient *c)
150 {
151         if (visible)
152             focus_cycle_draw_indicator(c);
153 }
154
155 void focus_cycle_draw_indicator(ObClient *c)
156 {
157     if (!c && visible) {
158         gulong ignore_start;
159
160         /* kill enter events cause by this unmapping */
161         ignore_start = event_start_ignore_all_enters();
162
163         XUnmapWindow(obt_display, focus_indicator.top->window);
164         XUnmapWindow(obt_display, focus_indicator.left->window);
165         XUnmapWindow(obt_display, focus_indicator.right->window);
166         XUnmapWindow(obt_display, focus_indicator.bottom->window);
167
168         event_end_ignore_all_enters(ignore_start);
169
170         visible = FALSE;
171     }
172     else if (c) {
173         /*
174           if (c)
175               frame_adjust_focus(c->frame, FALSE);
176           frame_adjust_focus(c->frame, TRUE);
177         */
178         gint x, y, w, h;
179         gint wt, wl, wr, wb;
180         gulong ignore_start;
181
182         wt = wl = wr = wb = FOCUS_INDICATOR_WIDTH;
183
184         x = c->frame->area.x;
185         y = c->frame->area.y;
186         w = c->frame->area.width;
187         h = wt;
188
189         /* kill enter events cause by this moving */
190         ignore_start = event_start_ignore_all_enters();
191
192         XMoveResizeWindow(obt_display, focus_indicator.top->window,
193                           x, y, w, h);
194         a_focus_indicator->texture[0].data.lineart.x1 = 0;
195         a_focus_indicator->texture[0].data.lineart.y1 = h-1;
196         a_focus_indicator->texture[0].data.lineart.x2 = 0;
197         a_focus_indicator->texture[0].data.lineart.y2 = 0;
198         a_focus_indicator->texture[1].data.lineart.x1 = 0;
199         a_focus_indicator->texture[1].data.lineart.y1 = 0;
200         a_focus_indicator->texture[1].data.lineart.x2 = w-1;
201         a_focus_indicator->texture[1].data.lineart.y2 = 0;
202         a_focus_indicator->texture[2].data.lineart.x1 = w-1;
203         a_focus_indicator->texture[2].data.lineart.y1 = 0;
204         a_focus_indicator->texture[2].data.lineart.x2 = w-1;
205         a_focus_indicator->texture[2].data.lineart.y2 = h-1;
206         a_focus_indicator->texture[3].data.lineart.x1 = (wl-1);
207         a_focus_indicator->texture[3].data.lineart.y1 = h-1;
208         a_focus_indicator->texture[3].data.lineart.x2 = w - wr;
209         a_focus_indicator->texture[3].data.lineart.y2 = h-1;
210         RrPaint(a_focus_indicator, focus_indicator.top->window,
211                 w, h);
212
213         x = c->frame->area.x;
214         y = c->frame->area.y;
215         w = wl;
216         h = c->frame->area.height;
217
218         XMoveResizeWindow(obt_display, focus_indicator.left->window,
219                           x, y, w, h);
220         a_focus_indicator->texture[0].data.lineart.x1 = w-1;
221         a_focus_indicator->texture[0].data.lineart.y1 = 0;
222         a_focus_indicator->texture[0].data.lineart.x2 = 0;
223         a_focus_indicator->texture[0].data.lineart.y2 = 0;
224         a_focus_indicator->texture[1].data.lineart.x1 = 0;
225         a_focus_indicator->texture[1].data.lineart.y1 = 0;
226         a_focus_indicator->texture[1].data.lineart.x2 = 0;
227         a_focus_indicator->texture[1].data.lineart.y2 = h-1;
228         a_focus_indicator->texture[2].data.lineart.x1 = 0;
229         a_focus_indicator->texture[2].data.lineart.y1 = h-1;
230         a_focus_indicator->texture[2].data.lineart.x2 = w-1;
231         a_focus_indicator->texture[2].data.lineart.y2 = h-1;
232         a_focus_indicator->texture[3].data.lineart.x1 = w-1;
233         a_focus_indicator->texture[3].data.lineart.y1 = wt-1;
234         a_focus_indicator->texture[3].data.lineart.x2 = w-1;
235         a_focus_indicator->texture[3].data.lineart.y2 = h - wb;
236         RrPaint(a_focus_indicator, focus_indicator.left->window,
237                 w, h);
238
239         x = c->frame->area.x + c->frame->area.width - wr;
240         y = c->frame->area.y;
241         w = wr;
242         h = c->frame->area.height ;
243
244         XMoveResizeWindow(obt_display, focus_indicator.right->window,
245                           x, y, w, h);
246         a_focus_indicator->texture[0].data.lineart.x1 = 0;
247         a_focus_indicator->texture[0].data.lineart.y1 = 0;
248         a_focus_indicator->texture[0].data.lineart.x2 = w-1;
249         a_focus_indicator->texture[0].data.lineart.y2 = 0;
250         a_focus_indicator->texture[1].data.lineart.x1 = w-1;
251         a_focus_indicator->texture[1].data.lineart.y1 = 0;
252         a_focus_indicator->texture[1].data.lineart.x2 = w-1;
253         a_focus_indicator->texture[1].data.lineart.y2 = h-1;
254         a_focus_indicator->texture[2].data.lineart.x1 = w-1;
255         a_focus_indicator->texture[2].data.lineart.y1 = h-1;
256         a_focus_indicator->texture[2].data.lineart.x2 = 0;
257         a_focus_indicator->texture[2].data.lineart.y2 = h-1;
258         a_focus_indicator->texture[3].data.lineart.x1 = 0;
259         a_focus_indicator->texture[3].data.lineart.y1 = wt-1;
260         a_focus_indicator->texture[3].data.lineart.x2 = 0;
261         a_focus_indicator->texture[3].data.lineart.y2 = h - wb;
262         RrPaint(a_focus_indicator, focus_indicator.right->window,
263                 w, h);
264
265         x = c->frame->area.x;
266         y = c->frame->area.y + c->frame->area.height - wb;
267         w = c->frame->area.width;
268         h = wb;
269
270         XMoveResizeWindow(obt_display, focus_indicator.bottom->window,
271                           x, y, w, h);
272         a_focus_indicator->texture[0].data.lineart.x1 = 0;
273         a_focus_indicator->texture[0].data.lineart.y1 = 0;
274         a_focus_indicator->texture[0].data.lineart.x2 = 0;
275         a_focus_indicator->texture[0].data.lineart.y2 = h-1;
276         a_focus_indicator->texture[1].data.lineart.x1 = 0;
277         a_focus_indicator->texture[1].data.lineart.y1 = h-1;
278         a_focus_indicator->texture[1].data.lineart.x2 = w-1;
279         a_focus_indicator->texture[1].data.lineart.y2 = h-1;
280         a_focus_indicator->texture[2].data.lineart.x1 = w-1;
281         a_focus_indicator->texture[2].data.lineart.y1 = h-1;
282         a_focus_indicator->texture[2].data.lineart.x2 = w-1;
283         a_focus_indicator->texture[2].data.lineart.y2 = 0;
284         a_focus_indicator->texture[3].data.lineart.x1 = wl-1;
285         a_focus_indicator->texture[3].data.lineart.y1 = 0;
286         a_focus_indicator->texture[3].data.lineart.x2 = w - wr;
287         a_focus_indicator->texture[3].data.lineart.y2 = 0;
288         RrPaint(a_focus_indicator, focus_indicator.bottom->window,
289                 w, h);
290
291         XMapWindow(obt_display, focus_indicator.top->window);
292         XMapWindow(obt_display, focus_indicator.left->window);
293         XMapWindow(obt_display, focus_indicator.right->window);
294         XMapWindow(obt_display, focus_indicator.bottom->window);
295
296         event_end_ignore_all_enters(ignore_start);
297
298         visible = TRUE;
299     }
300 }