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