--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "bcdisplay.h"
+#include "bcdisplayinfo.h"
+#include "bcsignals.h"
+#include "bcwindowbase.h"
+#include "clip.h"
+#include "language.h"
+
+#include <X11/X.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <unistd.h>
+
+#define TEST_SIZE 128
+#define TEST_DSIZE 28
+#define TEST_SIZE2 164
+
+int BC_DisplayInfo::top_border = -1;
+int BC_DisplayInfo::left_border = -1;
+int BC_DisplayInfo::bottom_border = -1;
+int BC_DisplayInfo::right_border = -1;
+int BC_DisplayInfo::auto_reposition_x = -1;
+int BC_DisplayInfo::auto_reposition_y = -1;
+
+
+BC_DisplayInfo::BC_DisplayInfo(const char *display_name, int show_error)
+{
+ screen = -1;
+ init_window(display_name, show_error);
+}
+
+BC_DisplayInfo::~BC_DisplayInfo()
+{
+#ifndef SINGLE_THREAD
+ XCloseDisplay(display);
+#endif
+}
+
+
+void BC_DisplayInfo::parse_geometry(char *geom, int *x, int *y, int *width, int *height)
+{
+ XParseGeometry(geom, x, y, (unsigned int*)width, (unsigned int*)height);
+}
+
+static void get_top_coords(Display *display, Window win, int &px,int &py, int &tx,int &ty)
+{
+ Window *pcwin; unsigned int ncwin;
+ Window cwin = 0, pwin = 0, root = 0;
+ int nx=0, ny=0;
+ XQueryTree(display, win, &root, &pwin, &pcwin, &ncwin);
+ if( pcwin ) XFree(pcwin);
+ XTranslateCoordinates(display, pwin, root, 0,0, &px,&py, &cwin);
+//printf(" win=%lx, px/py=%d/%d\n", win, px,py);
+
+ for( int i=5; --i>=0; ) {
+ win = pwin;
+ XQueryTree(display, win, &root, &pwin, &pcwin, &ncwin);
+ if( pcwin ) XFree(pcwin);
+ if( pwin == root ) break;
+ XTranslateCoordinates(display, pwin, root, 0,0, &nx,&ny, &cwin);
+//printf(" win=%lx, nx/ny=%d/%d\n", win, nx,ny);
+ }
+ tx = nx; ty = ny;
+}
+
+
+void BC_DisplayInfo::test_window(int &x_out,
+ int &y_out,
+ int &x_out2,
+ int &y_out2,
+ int x_in,
+ int y_in)
+{
+#ifdef SINGLE_THREAD
+ BC_Display::lock_display("BC_DisplayInfo::test_window");
+#endif
+
+ x_out = 0;
+ y_out = 0;
+ int x_out1 = 0;
+ int y_out1 = 0;
+ x_out2 = 0;
+ y_out2 = 0;
+
+ unsigned long mask = CWEventMask | CWWinGravity | CWBackPixel;
+ XSetWindowAttributes attr;
+ attr.event_mask = StructureNotifyMask;
+ attr.win_gravity = SouthEastGravity;
+ attr.background_pixel = BlackPixel(display,screen);
+ Window win = XCreateWindow(display, rootwin,
+ x_in, y_in, TEST_SIZE, TEST_SIZE,
+ 0, default_depth, InputOutput,
+ vis, mask, &attr);
+ XSizeHints size_hints;
+ XGetNormalHints(display, win, &size_hints);
+ size_hints.flags = PPosition | PSize;
+ size_hints.x = x_in;
+ size_hints.y = y_in;
+ size_hints.width = TEST_SIZE;
+ size_hints.height = TEST_SIZE;
+ XSetStandardProperties(display, win,
+ "x", "x", None, 0, 0, &size_hints);
+ XClearWindow(display, win);
+ XMapWindow(display, win);
+ XFlush(display); XSync(display, 0); usleep(100000);
+
+ XEvent event;
+ int state = 0;
+
+ while( state < 3 ) {
+ XNextEvent(display, &event);
+//printf("BC_DisplayInfo::test_window 1 event=%d %d\n", event.type, XPending(display));
+ if( event.xany.window != win ) continue;
+ if( event.type != ConfigureNotify ) continue;
+ Window cwin = 0;
+ int rx = 0, ry = 0, px = 0, py = 0, tx = 0, ty = 0;
+//printf("BC_DisplayInfo::test_window 1 state=%d x=%d y=%d w=%d h=%d bw=%d sev=%d\n",
+// state, event.xconfigure.x, event.xconfigure.y,
+// event.xconfigure.width, event.xconfigure.height,
+// event.xconfigure.border_width, event.xconfigure.send_event);
+ get_top_coords(display,win, px,py, tx,ty);
+//printf("x_in,y_in=%d,%d dx,dy=%d,%d\n", x_in,y_in, x_in-tx,y_in-ty);
+ switch( state ) {
+ case 0: // Get creation config
+ XTranslateCoordinates(display, win, rootwin, 0,0, &rx,&ry, &cwin);
+ x_out = rx - x_in;
+ y_out = ry - y_in;
+ XMoveResizeWindow(display, win, x_in,y_in, TEST_SIZE2,TEST_SIZE2);
+ XFlush(display); XSync(display, 0); usleep(100000);
+ ++state;
+ break;
+ case 1: // Get moveresize resizing
+ XTranslateCoordinates(display, win, rootwin, 0,0, &rx,&ry, &cwin);
+ x_out1 = px;
+ y_out1 = py;
+ x_in += TEST_DSIZE; y_in += TEST_DSIZE;
+ XMoveResizeWindow(display, win, x_in,y_in, TEST_SIZE2,TEST_SIZE2);
+ XFlush(display); XSync(display, 0); usleep(100000);
+ ++state;
+ break;
+ case 2: // Get moveresize move
+ XTranslateCoordinates(display, win, rootwin, 0,0, &rx,&ry, &cwin);
+ x_out2 = px - x_out1 - TEST_DSIZE;
+ y_out2 = py - y_out1 - TEST_DSIZE;
+ ++state;
+ break;
+ }
+ }
+//printf("\nBC_DisplayInfo::test_window 3 x0,y0=%d,%d, x1,y1=%d,%d, x2,y2=%d,%d\n",
+// x_out,y_out, x_out1,y_out1, x_out2,y_out2);
+//printf("\nx_in,y_in=%d,%d\n", x_in,y_in);
+
+ XDestroyWindow(display, win);
+ XFlush(display);
+ XSync(display, 0);
+
+ x_out = MAX(0, MIN(x_out, 48));
+ y_out = MAX(0, MIN(y_out, 48));
+
+#ifdef SINGLE_THREAD
+ BC_Display::unlock_display();
+#endif
+}
+
+void BC_DisplayInfo::init_borders()
+{
+ if(top_border < 0)
+ {
+ BC_DisplayInfo display_info;
+ display_info.test_window(left_border, top_border,
+ auto_reposition_x, auto_reposition_y, 100, 100);
+ right_border = left_border;
+ bottom_border = left_border;
+//printf("BC_DisplayInfo::init_borders border=%d %d auto=%d %d\n",
+// left_border, top_border, auto_reposition_x, auto_reposition_y);
+ }
+}
+
+
+int BC_DisplayInfo::get_top_border()
+{
+ init_borders();
+ return top_border;
+}
+
+int BC_DisplayInfo::get_left_border()
+{
+ init_borders();
+ return left_border;
+}
+
+int BC_DisplayInfo::get_right_border()
+{
+ init_borders();
+ return right_border;
+}
+
+int BC_DisplayInfo::get_bottom_border()
+{
+ init_borders();
+ return bottom_border;
+}
+
+void BC_DisplayInfo::init_window(const char *display_name, int show_error)
+{
+ if(display_name && display_name[0] == 0) display_name = NULL;
+
+#ifdef SINGLE_THREAD
+ display = BC_Display::get_display(display_name);
+#else
+
+// This function must be the first Xlib
+// function a multi-threaded program calls
+ XInitThreads();
+
+ if((display = XOpenDisplay(display_name)) == NULL)
+ {
+ if(!show_error) return;
+ fprintf(stderr,_("BC_DisplayInfo::init_window: cannot open display \"%s\".\n"),
+ display_name ? display_name : "");
+ if(getenv("DISPLAY") == NULL)
+ fprintf(stderr, _("'DISPLAY' environment variable not set.\n"));
+ if((display = XOpenDisplay(0)) == NULL) {
+ fprintf(stderr,_("BC_DisplayInfo::init_window: cannot connect to X server.\n"));
+ exit(1);
+ }
+ }
+#endif // SINGLE_THREAD
+
+#ifdef SINGLE_THREAD
+ BC_Display::lock_display("BC_DisplayInfo::init_window");
+#endif
+ screen = DefaultScreen(display);
+ rootwin = RootWindow(display, screen);
+ vis = DefaultVisual(display, screen);
+ default_depth = DefaultDepth(display, screen);
+#ifdef SINGLE_THREAD
+ BC_Display::unlock_display();
+#endif // SINGLE_THREAD
+}
+
+
+int BC_DisplayInfo::get_root_w()
+{
+#ifdef SINGLE_THREAD
+ BC_Display::lock_display("BC_DisplayInfo::get_root_w");
+#endif
+ Screen *screen_ptr = XDefaultScreenOfDisplay(display);
+ int result = WidthOfScreen(screen_ptr);
+#ifdef SINGLE_THREAD
+ BC_Display::unlock_display();
+#endif
+ return result;
+}
+
+int BC_DisplayInfo::get_root_h()
+{
+#ifdef SINGLE_THREAD
+ BC_Display::lock_display("BC_DisplayInfo::get_root_h");
+#endif
+ Screen *screen_ptr = XDefaultScreenOfDisplay(display);
+ int result = HeightOfScreen(screen_ptr);
+#ifdef SINGLE_THREAD
+ BC_Display::unlock_display();
+#endif
+ return result;
+}
+
+int BC_DisplayInfo::get_abs_cursor_x()
+{
+ int abs_x, abs_y, win_x, win_y;
+ unsigned int temp_mask;
+ Window temp_win;
+
+#ifdef SINGLE_THREAD
+ BC_Display::lock_display("BC_DisplayInfo::get_abs_cursor_x");
+#endif
+ XQueryPointer(display,
+ rootwin,
+ &temp_win,
+ &temp_win,
+ &abs_x,
+ &abs_y,
+ &win_x,
+ &win_y,
+ &temp_mask);
+#ifdef SINGLE_THREAD
+ BC_Display::unlock_display();
+#endif
+ return abs_x;
+}
+
+int BC_DisplayInfo::get_abs_cursor_y()
+{
+ int abs_x, abs_y, win_x, win_y;
+ unsigned int temp_mask;
+ Window temp_win;
+
+#ifdef SINGLE_THREAD
+ BC_Display::lock_display("BC_DisplayInfo::get_abs_cursor_y");
+#endif
+ XQueryPointer(display,
+ rootwin,
+ &temp_win,
+ &temp_win,
+ &abs_x,
+ &abs_y,
+ &win_x,
+ &win_y,
+ &temp_mask);
+#ifdef SINGLE_THREAD
+ BC_Display::unlock_display();
+#endif
+ return abs_y;
+}
+
+
+int BC_DisplayInfo::get_screen_count()
+{
+ return XScreenCount(display);
+}
+
+
+const char *BC_DisplayInfo::host_display_name(const char *display_name)
+{
+ return XDisplayName(display_name);
+}
+