2 * \file xforms/lyx_gui.C
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Lars Gullik Bjønnes
9 * Full author contact details are available in file CREDITS.
15 #include "ColorHandler.h"
16 #include "xfont_loader.h"
17 #include "xforms_helpers.h"
18 #include "xformsImage.h"
19 #include "XFormsView.h"
21 #include "bufferlist.h"
22 #include "BufferView.h"
28 #include "lyxserver.h"
30 #include "graphics/LoaderQueue.h"
32 #include "support/lyxlib.h"
33 #include "support/os.h"
34 #include "support/filetools.h"
35 #include "support/path_defines.h"
37 #include "lyx_forms.h"
39 #include <boost/bind.hpp>
41 #include "support/std_sstream.h"
45 using lyx::support::AddName;
46 using lyx::support::os;
47 using lyx::support::user_lyxdir;
49 #ifndef CXX_GLOBAL_CSTD
59 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)
124 lyx::support::abort();
130 /// read in geometry specification
141 void parse_init(int & argc, char * argv[])
145 FL_CMD_OPT cmdopt[] = {
146 {"-geometry", "*.geometry", XrmoptionSepArg, "690x510"}
149 FL_resource res[] = {
150 {"geometry", "geometryClass", FL_STRING, geometry, "", 40}
153 const int num_res = sizeof(res)/sizeof(FL_resource);
155 fl_initialize(&argc, argv, "LyX", cmdopt, num_res);
157 // It appears that, in xforms >=0.89.5, fl_initialize()
158 // calls setlocale() and ruins our LC_NUMERIC setting.
161 fl_get_app_resources(res, num_res);
163 Display * display = fl_get_display();
166 lyxerr << "LyX: unable to access X display, exiting" << endl;
167 os::warn("Unable to access X display, exiting");
171 fcntl(ConnectionNumber(display), F_SETFD, FD_CLOEXEC);
173 XSetErrorHandler(LyX_XErrHandler);
175 lyxColorHandler.reset(new LyXColorHandler());
177 using namespace lyx::graphics;
179 // connect the image loader based on the xforms library
180 Image::newImage = boost::bind(&xformsImage::newImage);
181 Image::loadableFormats = boost::bind(&xformsImage::loadableFormats);
183 // must do this /before/ lyxrc gets read
184 lyxrc.dpi = getDPI();
186 LoaderQueue::setPriority(10,100);
192 XformsColor::read(AddName(user_lyxdir(), "preferences.xform"));
194 if (lyxrc.popup_font_encoding.empty())
195 lyxrc.popup_font_encoding = lyxrc.font_norm;
196 // Set the font name for popups and menus
197 string boldfontname = lyxrc.popup_bold_font
198 + "-*-*-*-?-*-*-*-*-"
199 + lyxrc.popup_font_encoding;
200 // "?" means "scale that font"
201 string fontname = lyxrc.popup_normal_font
202 + "-*-*-*-?-*-*-*-*-"
203 + lyxrc.popup_font_encoding;
205 int bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
206 int normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
208 lyxerr << "Could not set menu font to "
209 << boldfontname << endl;
212 lyxerr << "Could not set popup font to "
215 if (bold < 0 && normal < 0) {
216 lyxerr << "Using 'helvetica' font for menus" << endl;
217 boldfontname = "-*-helvetica-bold-r-*-*-*-?-*-*-*-*-iso8859-1";
218 fontname = "-*-helvetica-medium-r-*-*-*-?-*-*-*-*-iso8859-1";
219 bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
220 normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
222 if (bold < 0 && normal < 0) {
223 lyxerr << "Could not find helvetica font. Using 'fixed'." << endl;
224 fl_set_font_name(FL_NORMAL_STYLE, "fixed");
229 fl_set_font_name(FL_BOLD_STYLE, fontname.c_str());
231 fl_set_font_name(FL_NORMAL_STYLE, boldfontname.c_str());
233 fl_setpup_fontstyle(FL_NORMAL_STYLE);
234 fl_setpup_fontsize(FL_NORMAL_SIZE);
235 fl_setpup_color(FL_MCOL, FL_BLACK);
236 fl_set_goodies_font(FL_NORMAL_STYLE, FL_NORMAL_SIZE);
237 fl_set_tooltip_font(FL_NORMAL_STYLE, FL_NORMAL_SIZE);
241 void start(string const & batch, vector<string> const & files)
246 unsigned int width = 690;
247 unsigned int height = 510;
249 int const geometryBitmask =
250 XParseGeometry(geometry,
251 &xpos, &ypos, &width, &height);
253 // if width is not set by geometry, check it against monitor width
254 if (!(geometryBitmask & WidthValue)) {
255 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen);
256 if (WidthOfScreen(scr) - 8 < int(width))
257 width = WidthOfScreen(scr) - 8;
260 // if height is not set by geometry, check it against monitor height
261 if (!(geometryBitmask & HeightValue)) {
262 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen);
263 if (HeightOfScreen(scr) - 24 < int(height))
264 height = HeightOfScreen(scr) - 24;
267 Screen * s = ScreenOfDisplay(fl_get_display(), fl_screen);
269 // recalculate xpos if it's not set
271 xpos = (WidthOfScreen(s) - width) / 2;
273 // recalculate ypos if it's not set
275 ypos = (HeightOfScreen(s) - height) / 2;
277 lyxerr[Debug::GUI] << "Creating view: " << width << 'x' << height
278 << '+' << xpos << '+' << ypos << endl;
280 XFormsView view(width, height);
281 view.show(xpos, ypos, "LyX");
284 // FIXME: some code below needs moving
286 lyxserver = new LyXServer(&view.getLyXFunc(), lyxrc.lyxpipes);
288 vector<string>::const_iterator cit = files.begin();
289 vector<string>::const_iterator end = files.end();
290 for (; cit != end; ++cit)
291 view.view()->loadLyXFile(*cit, true);
293 // handle the batch commands the user asked for
295 view.getLyXFunc().dispatch(batch);
297 // enter the event loop
299 if (fl_check_forms() == FL_EVENT) {
303 << "Received unhandled X11 event" << endl
304 << "Type: " << ev.xany.type
305 << " Target: 0x" << hex << ev.xany.window
310 // FIXME: breaks emergencyCleanup
327 FuncStatus getStatus(FuncRequest const & /*ev*/)
329 // Nothing interesting to do here
333 string const hexname(EnumLColor col)
335 unsigned int r, g, b;
336 bool const success = getRGBColor(col, r, g, b);
338 lyxerr << "X can't find color for \"" << lcolor.getLyXName(col)
345 os << setbase(16) << setfill('0')
354 void update_color(EnumLColor col)
356 lyxColorHandler->updateColor(col);
366 bool font_available(LyXFont const & font)
368 return fontloader.available(font);
374 void C_read_callback(int, void * data)
376 LyXComm * comm = static_cast<LyXComm *>(data);
382 void set_read_callback(int fd, LyXComm * comm)
384 fl_add_io_callback(fd, FL_READ, C_read_callback, comm);
388 void remove_read_callback(int fd)
390 fl_remove_io_callback(fd, FL_READ, C_read_callback);
394 string const roman_font_name()
400 string const sans_font_name()
406 string const typewriter_font_name()
411 }; // namespace lyx_gui