4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "bcdisplay.h"
23 #include "bcdisplayinfo.h"
24 #include "bcsignals.h"
25 #include "bcwindowbase.h"
31 #include <X11/Xutil.h>
36 #define TEST_SIZE2 164
38 int BC_DisplayInfo::top_border = -1;
39 int BC_DisplayInfo::left_border = -1;
40 int BC_DisplayInfo::bottom_border = -1;
41 int BC_DisplayInfo::right_border = -1;
42 int BC_DisplayInfo::auto_reposition_x = -1;
43 int BC_DisplayInfo::auto_reposition_y = -1;
46 BC_DisplayInfo::BC_DisplayInfo(const char *display_name, int show_error)
49 init_window(display_name, show_error);
52 BC_DisplayInfo::~BC_DisplayInfo()
55 XCloseDisplay(display);
60 void BC_DisplayInfo::parse_geometry(char *geom, int *x, int *y, int *width, int *height)
62 XParseGeometry(geom, x, y, (unsigned int*)width, (unsigned int*)height);
65 static void get_top_coords(Display *display, Window win, int &px,int &py, int &tx,int &ty)
67 Window *pcwin = 0; unsigned int ncwin = 0;
68 Window cwin = 0, pwin = 0, root = 0;
69 XQueryTree(display, win, &root, &pwin, &pcwin, &ncwin);
70 if( pcwin ) XFree(pcwin);
71 XTranslateCoordinates(display, pwin, root, 0,0, &px,&py, &cwin);
72 //printf(" win=%lx, px/py=%d/%d\n", win, px,py);
74 int nx = px, ny = py; pwin = win;
75 for( int i=5; --i>=0; ) {
76 win = pwin; pwin = 0; pcwin = 0; ncwin = 0;
78 // XQuerytTree has been known to fail here
79 XQueryTree(display, win, &rwin, &pwin, &pcwin, &ncwin);
80 if( pcwin ) XFree(pcwin);
81 if( !rwin || rwin != root || pwin == root ) break;
82 XTranslateCoordinates(display, pwin, root, 0,0, &nx,&ny, &cwin);
83 //printf(" win=%lx, nx/ny=%d/%d\n", win, nx,ny);
89 void BC_DisplayInfo::test_window(int &x_out,
97 BC_Display::lock_display("BC_DisplayInfo::test_window");
107 unsigned long mask = CWEventMask | CWWinGravity | CWBackPixel;
108 XSetWindowAttributes attr;
109 attr.event_mask = StructureNotifyMask;
110 attr.win_gravity = SouthEastGravity;
111 attr.background_pixel = BlackPixel(display,screen);
112 Window win = XCreateWindow(display, rootwin,
113 x_in, y_in, TEST_SIZE, TEST_SIZE,
114 0, default_depth, InputOutput,
116 XSizeHints size_hints;
117 XGetNormalHints(display, win, &size_hints);
118 size_hints.flags = PPosition | PSize;
121 size_hints.width = TEST_SIZE;
122 size_hints.height = TEST_SIZE;
123 XSetStandardProperties(display, win,
124 "x", "x", None, 0, 0, &size_hints);
125 XClearWindow(display, win);
126 XMapWindow(display, win);
127 XFlush(display); XSync(display, 0); usleep(100000);
133 XNextEvent(display, &event);
134 //printf("BC_DisplayInfo::test_window 1 event=%d %d\n", event.type, XPending(display));
135 if( event.xany.window != win ) continue;
136 if( event.type != ConfigureNotify ) continue;
138 int rx = 0, ry = 0, px = 0, py = 0, tx = 0, ty = 0;
139 //printf("BC_DisplayInfo::test_window 1 state=%d x=%d y=%d w=%d h=%d bw=%d sev=%d\n",
140 // state, event.xconfigure.x, event.xconfigure.y,
141 // event.xconfigure.width, event.xconfigure.height,
142 // event.xconfigure.border_width, event.xconfigure.send_event);
143 get_top_coords(display,win, px,py, tx,ty);
144 //printf("x_in,y_in=%d,%d dx,dy=%d,%d\n", x_in,y_in, x_in-tx,y_in-ty);
146 case 0: // Get creation config
147 XTranslateCoordinates(display, win, rootwin, 0,0, &rx,&ry, &cwin);
150 XMoveResizeWindow(display, win, x_in,y_in, TEST_SIZE2,TEST_SIZE2);
151 XFlush(display); XSync(display, 0); usleep(100000);
154 case 1: // Get moveresize resizing
155 XTranslateCoordinates(display, win, rootwin, 0,0, &rx,&ry, &cwin);
158 x_in += TEST_DSIZE; y_in += TEST_DSIZE;
159 XMoveResizeWindow(display, win, x_in,y_in, TEST_SIZE2,TEST_SIZE2);
160 XFlush(display); XSync(display, 0); usleep(100000);
163 case 2: // Get moveresize move
164 XTranslateCoordinates(display, win, rootwin, 0,0, &rx,&ry, &cwin);
165 x_out2 = px - x_out1 - TEST_DSIZE;
166 y_out2 = py - y_out1 - TEST_DSIZE;
171 //printf("\nBC_DisplayInfo::test_window 3 x0,y0=%d,%d, x1,y1=%d,%d, x2,y2=%d,%d\n",
172 // x_out,y_out, x_out1,y_out1, x_out2,y_out2);
173 //printf("\nx_in,y_in=%d,%d\n", x_in,y_in);
175 XDestroyWindow(display, win);
179 x_out = MAX(0, MIN(x_out, 48));
180 y_out = MAX(0, MIN(y_out, 48));
183 BC_Display::unlock_display();
187 void BC_DisplayInfo::init_borders()
191 BC_DisplayInfo display_info;
192 display_info.test_window(left_border, top_border,
193 auto_reposition_x, auto_reposition_y, 100, 100);
194 right_border = left_border;
195 bottom_border = left_border;
196 //printf("BC_DisplayInfo::init_borders border=%d %d auto=%d %d\n",
197 // left_border, top_border, auto_reposition_x, auto_reposition_y);
202 int BC_DisplayInfo::get_top_border()
208 int BC_DisplayInfo::get_left_border()
214 int BC_DisplayInfo::get_right_border()
220 int BC_DisplayInfo::get_bottom_border()
223 return bottom_border;
226 void BC_DisplayInfo::init_window(const char *display_name, int show_error)
228 if(display_name && display_name[0] == 0) display_name = NULL;
231 display = BC_Display::get_display(display_name);
234 // This function must be the first Xlib
235 // function a multi-threaded program calls
238 if((display = XOpenDisplay(display_name)) == NULL)
240 if(!show_error) return;
241 fprintf(stderr,_("BC_DisplayInfo::init_window: cannot open display \"%s\".\n"),
242 display_name ? display_name : "");
243 if(getenv("DISPLAY") == NULL)
244 fprintf(stderr, _("'DISPLAY' environment variable not set.\n"));
245 if((display = XOpenDisplay(0)) == NULL) {
246 fprintf(stderr,_("BC_DisplayInfo::init_window: cannot connect to X server.\n"));
250 #endif // SINGLE_THREAD
253 BC_Display::lock_display("BC_DisplayInfo::init_window");
255 screen = DefaultScreen(display);
256 rootwin = RootWindow(display, screen);
257 vis = DefaultVisual(display, screen);
258 default_depth = DefaultDepth(display, screen);
260 BC_Display::unlock_display();
261 #endif // SINGLE_THREAD
265 int BC_DisplayInfo::get_root_w()
268 BC_Display::lock_display("BC_DisplayInfo::get_root_w");
270 Screen *screen_ptr = XDefaultScreenOfDisplay(display);
271 int result = WidthOfScreen(screen_ptr);
273 BC_Display::unlock_display();
278 int BC_DisplayInfo::get_root_h()
281 BC_Display::lock_display("BC_DisplayInfo::get_root_h");
283 Screen *screen_ptr = XDefaultScreenOfDisplay(display);
284 int result = HeightOfScreen(screen_ptr);
286 BC_Display::unlock_display();
291 int BC_DisplayInfo::get_abs_cursor_x()
293 int abs_x, abs_y, win_x, win_y;
294 unsigned int temp_mask;
298 BC_Display::lock_display("BC_DisplayInfo::get_abs_cursor_x");
300 XQueryPointer(display,
310 BC_Display::unlock_display();
315 int BC_DisplayInfo::get_abs_cursor_y()
317 int abs_x, abs_y, win_x, win_y;
318 unsigned int temp_mask;
322 BC_Display::lock_display("BC_DisplayInfo::get_abs_cursor_y");
324 XQueryPointer(display,
334 BC_Display::unlock_display();
340 int BC_DisplayInfo::get_screen_count()
342 return XScreenCount(display);
346 const char *BC_DisplayInfo::host_display_name(const char *display_name)
348 return XDisplayName(display_name);