src/frontends/xforms/XFormsView.C

   1 /**
   2  * \file XFormsView.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author unknown
   7  *
   8  * Full author contact details are available in file CREDITS
   9  */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "XFormsView.h"
  18 #include FORMS_H_LOCATION
  19 #if FL_VERSION < 1 && (FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5))
  20 #include "frontends/xforms/lyxlookup.h"
  21 #endif
  22 #include "frontends/xforms/XMiniBuffer.h"
  23 #include "debug.h"
  24 #include "intl.h"
  25 #include "lyxrc.h"
  26 #include "support/filetools.h"        // OnlyFilename()
  27 #include "frontends/Toolbar.h"
  28 #include "frontends/Menubar.h"
  29 #include "frontends/Timeout.h"
  30 #include "frontends/Dialogs.h"
  31 #include "MenuBackend.h"
  32 #include "ToolbarDefaults.h"
  33 #include "lyxfunc.h"
  34 #include "bufferview_funcs.h"
  35 #include "BufferView.h"
  36
  37 #include <boost/bind.hpp>
  38 #include <boost/signals/connection.hpp>
  39 using std::abs;
  40 using std::endl;
  41
  42 //extern void AutoSave(BufferView *);
  43 extern void QuitLyX();
  44
  45 // This is very temporary
  46 BufferView * current_view;
  47
  48 extern "C" {
  49
  50 static
  51 int C_XFormsView_atCloseMainFormCB(FL_FORM * form, void * p)
  52 {
  53         return XFormsView::atCloseMainFormCB(form, p);
  54 }
  55
  56 }
  57
  58
  59 XFormsView::XFormsView(int width, int height)
  60         : LyXView()
  61 {
  62         create_form_form_main(width, height);
  63         fl_set_form_atclose(getForm(), C_XFormsView_atCloseMainFormCB, 0);
  64
  65         view_state_con = view_state_changed.connect(boost::bind(&XFormsView::show_view_state, this));
  66         focus_con = focus_command_buffer.connect(boost::bind(&XMiniBuffer::focus, minibuffer_.get()));
  67
  68         // Make sure the buttons are disabled if needed.
  69         updateToolbar();
  70         redraw_con = getDialogs().redrawGUI().connect(boost::bind(&XFormsView::redraw, this));
  71 }
  72
  73
  74 XFormsView::~XFormsView()
  75 {
  76         minibuffer_->freeze();
  77         fl_hide_form(form_);
  78         fl_free_form(form_);
  79 }
  80
  81
  82 /// Redraw the main form.
  83 void XFormsView::redraw()
  84 {
  85         lyxerr[Debug::INFO] << "XFormsView::redraw()" << endl;
  86         fl_redraw_form(getForm());
  87         minibuffer_->redraw();
  88 }
  89
  90
  91 FL_FORM * XFormsView::getForm() const
  92 {
  93         return form_;
  94 }
  95
  96
  97 // Callback for close main form from window manager
  98 int XFormsView::atCloseMainFormCB(FL_FORM *, void *)
  99 {
 100         QuitLyX();
 101         return FL_IGNORE;
 102 }
 103
 104
 105 void XFormsView::show(int x, int y, string const & title)
 106 {
 107         FL_FORM * form = getForm();
 108
 109         fl_set_form_minsize(form, form->w, form->h);
 110
 111         int placement = FL_PLACE_CENTER | FL_FREE_SIZE;
 112
 113         // Did we get a valid geometry position ?
 114         if (x >= 0 && y >= 0) {
 115                 fl_set_form_position(form, x, y);
 116                 placement = FL_PLACE_POSITION;
 117         }
 118
 119         fl_show_form(form, placement, FL_FULLBORDER, title.c_str());
 120
 121         show_view_state();
 122 #if FL_VERSION < 1 && (FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5))
 123         InitLyXLookup(fl_get_display(), form_->window);
 124 #endif
 125 }
 126
 127
 128 void XFormsView::create_form_form_main(int width, int height)
 129         /* to make this work as it should, .lyxrc should have been
 130          * read first; OR maybe this one should be made dynamic.
 131          * Hmmmm. Lgb.
 132          * We will probably not have lyxrc before the main form is
 133          * initialized, because error messages from lyxrc parsing
 134          * are presented (and rightly so) in GUI popups. Asger.
 135          */
 136 {
 137         // the main form
 138         form_ = fl_bgn_form(FL_NO_BOX, width, height);
 139         getForm()->u_vdata = this;
 140         FL_OBJECT * obj = fl_add_box(FL_FLAT_BOX, 0, 0, width, height, "");
 141         fl_set_object_color(obj, FL_MCOL, FL_MCOL);
 142
 143         // Parameters for the appearance of the main form
 144         int const air = 2;
 145         int const bw = abs(fl_get_border_width());
 146
 147         menubar_.reset(new Menubar(this, menubackend));
 148
 149         toolbar_.reset(new Toolbar(this, air, 30 + air + bw, toolbardefaults));
 150
 151         int const ywork = 60 + 2 * air + bw;
 152         int const workheight = height - ywork - (25 + 2 * air);
 153
 154         bufferview_.reset(new BufferView(this, air, ywork,
 155                 width - 3 * air, workheight));
 156         ::current_view = bufferview_.get();
 157
 158         minibuffer_.reset(new XMiniBuffer(this, *controlcommand_,
 159                 air, height - (25 + air), width - (2 * air), 25));
 160
 161         //  assign an icon to main form
 162         string iconname = LibFileSearch("images", "lyx", "xpm");
 163         if (!iconname.empty()) {
 164                 unsigned int w, h;
 165                 Pixmap lyx_p, lyx_mask;
 166                 lyx_p = fl_read_pixmapfile(fl_root,
 167                                            iconname.c_str(),
 168                                            &w,
 169                                            &h,
 170                                            &lyx_mask,
 171                                            0,
 172                                            0,
 173                                            0); // this leaks
 174                 fl_set_form_icon(getForm(), lyx_p, lyx_mask);
 175         }
 176
 177         // set min size
 178         fl_set_form_minsize(getForm(), 50, 50);
 179
 180         fl_end_form();
 181
 182         minibuffer_->dd_init();
 183 }
 184
 185
 186 void XFormsView::setWindowTitle(string const & title, string const & icon_title)
 187 {
 188         fl_set_form_title(getForm(), title.c_str());
 189         fl_winicontitle(form_->window, icon_title.c_str());
 190 }
 191
 192
 193 void XFormsView::message(string const & str)
 194 {
 195         minibuffer_->message(str);
 196 }
 197
 198
 199 void XFormsView::show_view_state()
 200 {
 201         message(getLyXFunc().view_status_message());
 202 }
 203
 204
 205 // How should this actually work? Should it prohibit input in all BufferViews,
 206 // or just in the current one? If "just the current one", then it should be
 207 // placed in BufferView. If "all BufferViews" then LyXGUI (I think) should
 208 // run "prohibitInput" on all LyXViews which will run prohibitInput on all
 209 // BufferViews. Or is it perhaps just the (input in) BufferViews in the
 210 // current LyXView that should be prohibited (Lgb) (This applies to
 211 // "allowInput" as well.)
 212 void XFormsView::prohibitInput() const
 213 {
 214         view()->hideCursor();
 215
 216         static Cursor cursor;
 217         static bool cursor_undefined = true;
 218
 219         if (cursor_undefined) {
 220                 cursor = XCreateFontCursor(fl_get_display(), XC_watch);
 221                 XFlush(fl_get_display());
 222                 cursor_undefined = false;
 223         }
 224
 225         /* set the cursor to the watch for all forms and the canvas */
 226         XDefineCursor(fl_get_display(), getForm()->window, cursor);
 227
 228         XFlush(fl_get_display());
 229         fl_deactivate_all_forms();
 230 }
 231
 232
 233 void XFormsView::allowInput() const
 234 {
 235         /* reset the cursor from the watch for all forms and the canvas */
 236
 237         XUndefineCursor(fl_get_display(), getForm()->window);
 238
 239         XFlush(fl_get_display());
 240         fl_activate_all_forms();
 241 }