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"
24 #include "funcrequest.h"
28 #include "LyXAction.h"
31 #include "lyxserver.h"
32 #include "lyxsocket.h"
34 #include "graphics/LoaderQueue.h"
36 #include "support/filetools.h"
37 #include "support/lyxlib.h"
38 #include "support/os.h"
39 #include "support/package.h"
41 #include "lyx_forms.h"
43 #include <boost/bind.hpp>
50 using lyx::support::addName;
51 using lyx::support::package;
53 using lyx::frontend::fontloader;
54 using lyx::frontend::lyxColorHandler;
55 using lyx::frontend::LyXColorHandler;
56 using lyx::frontend::XformsColor;
57 using lyx::frontend::XFormsView;
59 namespace os = lyx::support::os;
61 #ifndef CXX_GLOBAL_CSTD
71 using std::ostringstream;
76 extern BufferList bufferlist;
78 // FIXME: wrong place !
79 LyXServer * lyxserver;
80 LyXServerSocket * lyxsocket;
85 bool finished = false;
87 /// estimate DPI from X server
90 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen);
91 return int(((HeightOfScreen(scr) * 25.4 / HeightMMOfScreen(scr)) +
92 (WidthOfScreen(scr) * 25.4 / WidthMMOfScreen(scr))) / 2);
96 /// set default GUI configuration
100 cntl.buttonFontSize = FL_NORMAL_SIZE;
101 cntl.browserFontSize = FL_NORMAL_SIZE;
102 cntl.labelFontSize = FL_NORMAL_SIZE;
103 cntl.choiceFontSize = FL_NORMAL_SIZE;
104 cntl.inputFontSize = FL_NORMAL_SIZE;
105 cntl.menuFontSize = FL_NORMAL_SIZE;
106 cntl.borderWidth = -1;
107 cntl.vclass = FL_DefaultVisual;
108 fl_set_defaults(FL_PDVisual
109 | FL_PDButtonFontSize
110 | FL_PDBrowserFontSize
112 | FL_PDChoiceFontSize
115 | FL_PDBorderWidth, &cntl);
121 int LyX_XErrHandler(Display * display, XErrorEvent * xeev) {
122 // We don't abort on BadWindow
123 if (xeev->error_code == BadWindow) {
124 lyxerr << "BadWindow received !" << endl;
125 lyxerr << "If you're using xforms 1.0 or greater, "
126 << " please report this to lyx-devel@lists.lyx.org" << endl;
131 LyX::cref().emergencyCleanup();
133 // Get the reason for the crash.
135 XGetErrorText(display, xeev->error_code, etxt, 512);
136 lyxerr << etxt << " id: " << xeev->resourceid << endl;
137 // By doing an abort we get a nice backtrace. (hopefully)
138 lyx::support::abort();
144 /// read in geometry specification
155 void parse_init(int & argc, char * argv[])
159 FL_CMD_OPT cmdopt[] = {
160 {"-geometry", "*.geometry", XrmoptionSepArg, "690x510"}
163 FL_resource res[] = {
164 {"geometry", "geometryClass", FL_STRING, geometry, "", 40}
167 const int num_res = sizeof(res)/sizeof(FL_resource);
169 fl_initialize(&argc, argv, "LyX", cmdopt, num_res);
171 // It appears that, in xforms >=0.89.5, fl_initialize()
172 // calls setlocale() and ruins our LC_NUMERIC setting.
175 fl_get_app_resources(res, num_res);
177 Display * display = fl_get_display();
180 lyxerr << "LyX: unable to access X display, exiting" << endl;
184 fcntl(ConnectionNumber(display), F_SETFD, FD_CLOEXEC);
186 XSetErrorHandler(LyX_XErrHandler);
188 lyxColorHandler.reset(new LyXColorHandler);
190 using namespace lyx::graphics;
192 // connect the image loader based on the xforms library
193 Image::newImage = boost::bind(&xformsImage::newImage);
194 Image::loadableFormats = boost::bind(&xformsImage::loadableFormats);
196 // must do this /before/ lyxrc gets read
197 lyxrc.dpi = getDPI();
199 LoaderQueue::setPriority(10,100);
205 XformsColor::read(addName(package().user_support(),
206 "preferences.xform"));
208 if (lyxrc.popup_font_encoding.empty())
209 lyxrc.popup_font_encoding = lyxrc.font_norm;
210 // Set the font name for popups and menus
211 string boldfontname = lyxrc.popup_bold_font
212 + "-*-*-*-?-*-*-*-*-"
213 + lyxrc.popup_font_encoding;
214 // "?" means "scale that font"
215 string fontname = lyxrc.popup_normal_font
216 + "-*-*-*-?-*-*-*-*-"
217 + lyxrc.popup_font_encoding;
219 int bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
220 int normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
222 lyxerr << "Could not set menu font to "
223 << boldfontname << endl;
226 lyxerr << "Could not set popup font to "
229 if (bold < 0 && normal < 0) {
230 lyxerr << "Using 'helvetica' font for menus" << endl;
231 boldfontname = "-*-helvetica-bold-r-*-*-*-?-*-*-*-*-iso8859-1";
232 fontname = "-*-helvetica-medium-r-*-*-*-?-*-*-*-*-iso8859-1";
233 bold = fl_set_font_name(FL_BOLD_STYLE, boldfontname.c_str());
234 normal = fl_set_font_name(FL_NORMAL_STYLE, fontname.c_str());
236 if (bold < 0 && normal < 0) {
237 lyxerr << "Could not find helvetica font. Using 'fixed'." << endl;
238 fl_set_font_name(FL_NORMAL_STYLE, "fixed");
243 fl_set_font_name(FL_BOLD_STYLE, fontname.c_str());
245 fl_set_font_name(FL_NORMAL_STYLE, boldfontname.c_str());
247 fl_setpup_fontstyle(FL_NORMAL_STYLE);
248 fl_setpup_fontsize(FL_NORMAL_SIZE);
249 fl_setpup_color(FL_MCOL, FL_BLACK);
250 fl_set_goodies_font(FL_NORMAL_STYLE, FL_NORMAL_SIZE);
251 fl_set_tooltip_font(FL_NORMAL_STYLE, FL_NORMAL_SIZE);
255 void start(string const & batch, vector<string> const & files,
256 int width, int height, int posx, int posy)
258 int const geometryBitmask =
259 XParseGeometry(geometry,
260 &xpos, &ypos, &width, &height);
262 // if width is not set by geometry, check it against monitor width
263 if (!(geometryBitmask & WidthValue)) {
264 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen);
265 if (WidthOfScreen(scr) - 8 < int(width))
266 width = WidthOfScreen(scr) - 8;
269 // if height is not set by geometry, check it against monitor height
270 if (!(geometryBitmask & HeightValue)) {
271 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen);
272 if (HeightOfScreen(scr) - 24 < int(height))
273 height = HeightOfScreen(scr) - 24;
276 Screen * s = ScreenOfDisplay(fl_get_display(), fl_screen);
278 lyxerr[Debug::GUI] << "Creating view: " << width << 'x' << height
279 << '+' << posx << '+' << posy << endl;
281 boost::shared_ptr<XFormsView> view(new XFormsView(width, height));
282 LyX::ref().addLyXView(view);
284 view->show(posx == -1 ? (WidthOfScreen(s) - width) / 2 : posx,
285 posy == -1 ? (HeightOfScreen(s) - height) / 2 : posy, "LyX");
288 // FIXME: some code below needs moving
290 lyxserver = new LyXServer(&view->getLyXFunc(), lyxrc.lyxpipes);
291 lyxsocket = new LyXServerSocket(&view->getLyXFunc(),
292 os::internal_path(package().temp_dir() + "/lyxsocket"));
294 for_each(files.begin(), files.end(),
295 bind(&BufferView::loadLyXFile, view->view(), _1, true));
297 // handle the batch commands the user asked for
299 view->getLyXFunc().dispatch(lyxaction.lookupFunc(batch));
301 // enter the event loop
303 if (fl_check_forms() == FL_EVENT) {
307 << "Received unhandled X11 event" << endl
308 << "Type: " << ev.xany.type
309 << " Target: 0x" << hex << ev.xany.window
314 // FIXME: breaks emergencyCleanup
332 FuncStatus getStatus(FuncRequest const & /*ev*/)
334 // Nothing interesting to do here
339 bool getRGBColor(LColor_color col, lyx::RGBColor & rgbcol)
341 string const name = lcolor.getX11Name(col);
342 Display * const display = fl_get_display();
343 Colormap const cmap = fl_state[fl_get_vclass()].colormap;
346 if (XLookupColor(display, cmap, name.c_str(), &xcol, &ccol) == 0) {
353 // Note that X stores the RGB values in the range 0 - 65535
354 // whilst we require them in the range 0 - 255.
355 rgbcol.r = xcol.red / 256;
356 rgbcol.g = xcol.green / 256;
357 rgbcol.b = xcol.blue / 256;
362 string const hexname(LColor_color col)
364 lyx::RGBColor rgbcol;
365 if (!getRGBColor(col, rgbcol)) {
366 lyxerr << "X can't find color for \"" << lcolor.getLyXName(col)
373 os << setbase(16) << setfill('0')
374 << setw(2) << rgbcol.r
375 << setw(2) << rgbcol.g
376 << setw(2) << rgbcol.b;
382 void update_color(LColor_color col)
384 lyxColorHandler->getGCForeground(col);
385 lyxColorHandler->updateColor(col);
395 bool font_available(LyXFont const & font)
397 return fontloader.available(font);
403 std::map<int, boost::function<void()> > socket_callbacks;
406 void C_socket_callback(int fd, void *)
408 socket_callbacks[fd]();
415 void register_socket_callback(int fd, boost::function<void()> func)
417 socket_callbacks[fd] = func;
418 fl_add_io_callback(fd, FL_READ, C_socket_callback, 0);
422 void unregister_socket_callback(int fd)
424 fl_remove_io_callback(fd, FL_READ, C_socket_callback);
425 socket_callbacks.erase(fd);
429 string const roman_font_name()
435 string const sans_font_name()
441 string const typewriter_font_name()
446 }; // namespace lyx_gui