2 * \file gnome/lyx_gui.C
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
9 * Full author contact details are available in file CREDITS.
16 #include "support/lyxlib.h"
17 #include "support/os.h"
18 #include "support/filetools.h"
19 #include "support/path_defines.h"
28 // FIXME: move this stuff out again
29 #include "bufferlist.h"
31 #include "lyxserver.h"
32 #include "BufferView.h"
33 #include "XFormsView.h"
35 #include FORMS_H_LOCATION
36 #include "ColorHandler.h"
37 #include "xforms_helpers.h"
38 #include "xfont_loader.h"
39 #include "xformsImage.h"
41 #include "support/std_sstream.h"
44 #include <boost/bind.hpp>
46 #include "gnome_helpers.h"
47 #include <gtkmm/main.h>
48 #include <libglademm/xml.h>
50 #ifndef CXX_GLOBAL_CSTD
54 using std::ostringstream;
63 extern BufferList bufferlist;
65 // FIXME: wrong place !
66 LyXServer * lyxserver;
71 bool finished = false;
73 /// estimate DPI from X server
76 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen);
77 return ((HeightOfScreen(scr) * 25.4 / HeightMMOfScreen(scr)) +
78 (WidthOfScreen(scr) * 25.4 / WidthMMOfScreen(scr))) / 2;
82 /// set default GUI configuration
86 cntl.buttonFontSize = FL_NORMAL_SIZE;
87 cntl.browserFontSize = FL_NORMAL_SIZE;
88 cntl.labelFontSize = FL_NORMAL_SIZE;
89 cntl.choiceFontSize = FL_NORMAL_SIZE;
90 cntl.inputFontSize = FL_NORMAL_SIZE;
91 cntl.menuFontSize = FL_NORMAL_SIZE;
92 cntl.borderWidth = -1;
93 cntl.vclass = FL_DefaultVisual;
94 fl_set_defaults(FL_PDVisual
96 | FL_PDBrowserFontSize
101 | FL_PDBorderWidth, &cntl);
107 int LyX_XErrHandler(Display * display, XErrorEvent * xeev) {
108 // We don't abort on BadWindow
109 if (xeev->error_code == BadWindow) {
110 lyxerr << "BadWindow received !" << endl;
111 lyxerr << "If you're using xforms 1.0 or greater, "
112 << " please report this to lyx-devel@lists.lyx.org" << endl;
117 LyX::emergencyCleanup();
119 // Get the reason for the crash.
121 XGetErrorText(display, xeev->error_code, etxt, 512);
122 lyxerr << etxt << " id: " << xeev->resourceid << endl;
123 // By doing an abort we get a nice backtrace. (hopefully)
130 /// read in geometry specification
136 void lyx_gui::parse_init(int & argc, char * argv[])
140 FL_CMD_OPT cmdopt[] = {
141 {"-geometry", "*.geometry", XrmoptionSepArg, "690x510"}
144 FL_resource res[] = {
145 {"geometry", "geometryClass", FL_STRING, geometry, "", 40}
148 const int num_res = sizeof(res)/sizeof(FL_resource);
150 fl_initialize(&argc, argv, "LyX", cmdopt, num_res);
152 // It appears that, in xforms >=0.89.5, fl_initialize()
153 // calls setlocale() and ruins our LC_NUMERIC setting.
156 fl_get_app_resources(res, num_res);
158 Display * display = fl_get_display();
161 lyxerr << "LyX: unable to access X display, exiting" << endl;
162 os::warn("Unable to access X display, exiting");
166 fcntl(ConnectionNumber(display), F_SETFD, FD_CLOEXEC);
168 XSetErrorHandler(LyX_XErrHandler);
170 lyxColorHandler.reset(new LyXColorHandler);
172 using namespace lyx::graphics;
174 // connect the image loader based on the xforms library
175 Image::newImage = boost::bind(&xformsImage::newImage);
176 Image::loadableFormats = boost::bind(&xformsImage::loadableFormats);
178 // must do this /before/ lyxrc gets read
179 lyxrc.dpi = getDPI();
181 new Gtk::Main (argc, argv);
185 void lyx_gui::parse_lyxrc()
187 XformsColor::read(AddName(user_lyxdir(), "preferences.xform"));
189 if (lyxrc.popup_font_encoding.empty())
190 lyxrc.popup_font_encoding = lyxrc.font_norm;
191 // Set the font name for popups and menus
192 string boldfontname = lyxrc.popup_bold_font
193 + "-*-*-*-?-*-*-*-*-"
194 + lyxrc.popup_font_encoding;
195 // "?" means "scale that font"
196 string fontname = lyxrc.popup_normal_font
197 + "-*-*-*-?-*-*-*-*-"
198 + lyxrc.popup_font_encoding;
200 int bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
201 int normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
203 lyxerr << "Could not set menu font to "
204 << boldfontname << endl;
207 lyxerr << "Could not set popup font to "
210 if (bold < 0 && normal < 0) {
211 lyxerr << "Using 'helvetica' font for menus" << endl;
212 boldfontname = "-*-helvetica-bold-r-*-*-*-?-*-*-*-*-iso8859-1";
213 fontname = "-*-helvetica-medium-r-*-*-*-?-*-*-*-*-iso8859-1";
214 bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
215 normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
217 if (bold < 0 && normal < 0) {
218 lyxerr << "Could not find helvetica font. Using 'fixed'." << endl;
219 fl_set_font_name(FL_NORMAL_STYLE, "fixed");
224 fl_set_font_name(FL_BOLD_STYLE, fontname.c_str());
226 fl_set_font_name(FL_NORMAL_STYLE, boldfontname.c_str());
228 fl_setpup_fontstyle(FL_NORMAL_STYLE);
229 fl_setpup_fontsize(FL_NORMAL_SIZE);
230 fl_setpup_color(FL_MCOL, FL_BLACK);
231 fl_set_goodies_font(FL_NORMAL_STYLE, FL_NORMAL_SIZE);
232 fl_set_tooltip_font(FL_NORMAL_STYLE, FL_NORMAL_SIZE);
235 void lyx_gui::start(string const & batch, vector<string> const & files)
240 unsigned int width = 690;
241 unsigned int height = 510;
243 int const geometryBitmask =
244 XParseGeometry(geometry,
245 &xpos, &ypos, &width, &height);
247 // if width is not set by geometry, check it against monitor width
248 if (!(geometryBitmask & WidthValue)) {
249 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen);
250 if (WidthOfScreen(scr) - 8 < int(width))
251 width = WidthOfScreen(scr) - 8;
254 // if height is not set by geometry, check it against monitor height
255 if (!(geometryBitmask & HeightValue)) {
256 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen);
257 if (HeightOfScreen(scr) - 24 < int(height))
258 height = HeightOfScreen(scr) - 24;
261 Screen * s = ScreenOfDisplay(fl_get_display(), fl_screen);
263 // recalculate xpos if it's not set
265 xpos = (WidthOfScreen(s) - width) / 2;
267 // recalculate ypos if it's not set
269 ypos = (HeightOfScreen(s) - height) / 2;
271 lyxerr[Debug::GUI] << "Creating view: " << width << 'x' << height
272 << '+' << xpos << '+' << ypos << endl;
274 XFormsView view(width, height);
275 view.show(xpos, ypos, "LyX");
280 // FIXME: some code below needs moving
282 lyxserver = new LyXServer(&view.getLyXFunc(), lyxrc.lyxpipes);
284 vector<string>::const_iterator cit = files.begin();
285 vector<string>::const_iterator end = files.end();
286 for (; cit != end; ++cit) {
287 Buffer * b = bufferlist.loadLyXFile(*cit);
293 // switch to the last buffer successfully loaded
295 view.view()->buffer(last);
298 // handle the batch commands the user asked for
299 if (!batch.empty()) {
300 view.getLyXFunc().dispatch(batch);
303 // enter the event loop
305 while (Gtk::Main::events_pending())
306 Gtk::Main::iteration(false);
307 if (fl_check_forms() == FL_EVENT) {
311 << "Received unhandled X11 event" << endl
312 << "Type: " << ev.xany.type
313 << " Target: 0x" << hex << ev.xany.window
319 // FIXME: breaks emergencyCleanup
329 FuncStatus lyx_gui::getStatus(FuncRequest const & /*ev*/)
331 // Nothing interesting to do here
335 string const lyx_gui::hexname(LColor::color col)
337 string const name = lcolor.getX11Name(col);
338 Display * const display = fl_get_display();
339 Colormap const cmap = fl_state[fl_get_vclass()].colormap;
342 if (XLookupColor(display, cmap, name.c_str(), &xcol, &ccol) == 0) {
343 lyxerr << "X can't find color \""
344 << lcolor.getLyXName(col)
351 // Note that X stores the RGB values in the range 0 - 65535
352 // whilst we require them in the range 0 - 255.
353 os << setbase(16) << setfill('0')
354 << setw(2) << (xcol.red / 256)
355 << setw(2) << (xcol.green / 256)
356 << setw(2) << (xcol.blue / 256);
358 return STRCONV(os.str());
362 void lyx_gui::update_color(LColor::color col)
364 lyxColorHandler->updateColor(col);
368 void lyx_gui::update_fonts()
374 bool lyx_gui::font_available(LyXFont const & font)
376 return fontloader.available(font);
382 void C_read_callback(int, void * data)
384 LyXComm * comm = static_cast<LyXComm *>(data);
390 void lyx_gui::set_read_callback(int fd, LyXComm * comm)
392 fl_add_io_callback(fd, FL_READ, C_read_callback, comm);
396 void lyx_gui::remove_read_callback(int fd)
398 fl_remove_io_callback(fd, FL_READ, C_read_callback);