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