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