src/bullet_forms_cb.C

   1 /* Bullet form callbacks */
   2 #include <config.h>
   3 #include <cstdlib>
   4 #include FORMS_H_LOCATION
   5 #include XPM_H_LOCATION
   6 #include "bullet_forms.h"
   7 #include "bmtable.h"
   8 #include "buffer.h"
   9 #include "bufferparams.h"
  10 #include "support/filetools.h"
  11 #include "gettext.h"
  12 #include "lyx_gui_misc.h" // CancelCloseBoxCB + WriteAlert
  13
  14 extern int mono_video;
  15
  16 extern BufferView * current_view;
  17 FD_form_bullet * fd_form_bullet;
  18
  19 static int current_bullet_panel;
  20 static int current_bullet_depth;
  21
  22 /** Creates or raises the bullet popup and sets appropriate form values
  23   */
  24 void bulletForm()
  25 {
  26         if (!fd_form_bullet) {
  27                 if (!mono_video &&
  28                     (XpmVersion < 4
  29                         || (XpmVersion == 4 && XpmRevision < 7))) {
  30                         WriteAlert(_("Sorry, your libXpm is too old."),
  31                         _("This feature requires xpm-4.7 (a.k.a 3.4g) or newer."),
  32                         _("Try running LyX in mono mode (lyx  -Mono)."));
  33                         return;
  34                 }
  35                 fd_form_bullet = create_form_form_bullet();
  36                 fl_addto_choice(fd_form_bullet->choice_bullet_size,
  37                                 _(" default | tiny | script | footnote | small |"
  38                                 " normal | large | Large | LARGE | huge | Huge"));
  39                 fl_set_choice(fd_form_bullet->choice_bullet_size, 1);
  40                 fl_set_form_atclose(fd_form_bullet->form_bullet,
  41                                     CancelCloseBoxCB, 0);
  42         }
  43
  44         if (updateBulletForm()) {
  45                 // Show form
  46                 if (fd_form_bullet->form_bullet->visible) {
  47                         fl_raise_form(fd_form_bullet->form_bullet);
  48                 }
  49                 else {
  50                         fl_show_form(fd_form_bullet->form_bullet,
  51                                      FL_PLACE_MOUSE, FL_FULLBORDER,
  52                                      _("Itemize Bullet Selection"));
  53                 }
  54         }
  55 }
  56
  57 bool updateBulletForm()
  58 {
  59         bool update = true;
  60         if (!fd_form_bullet) {
  61                 return false;
  62         }
  63         if (!current_view->available()) {
  64                 update = false;
  65         } else if (current_view->buffer()->isReadonly()
  66                    || current_view->buffer()->isLinuxDoc()) {
  67                 fl_deactivate_object (fd_form_bullet->button_ok);
  68                 fl_deactivate_object (fd_form_bullet->button_apply);
  69                 fl_set_object_lcol (fd_form_bullet->button_ok, FL_INACTIVE);
  70                 fl_set_object_lcol (fd_form_bullet->button_apply, FL_INACTIVE);
  71                 fl_deactivate_object (fd_form_bullet->bmtable_bullet_panel);
  72                 fl_deactivate_object (fd_form_bullet->choice_bullet_size);
  73                 fl_deactivate_object (fd_form_bullet->input_bullet_latex);
  74                 update = false;
  75         } else {
  76                 fl_activate_object (fd_form_bullet->button_ok);
  77                 fl_activate_object (fd_form_bullet->button_apply);
  78                 fl_set_object_lcol (fd_form_bullet->button_ok, FL_BLACK);
  79                 fl_set_object_lcol (fd_form_bullet->button_apply, FL_BLACK);
  80                 fl_activate_object (fd_form_bullet->bmtable_bullet_panel);
  81                 fl_activate_object (fd_form_bullet->choice_bullet_size);
  82                 fl_activate_object (fd_form_bullet->input_bullet_latex);
  83         }
  84
  85         if (update) {
  86                 // any settings that need doing each time
  87                 fl_set_button(fd_form_bullet->radio_bullet_depth_1, 1);
  88                 fl_set_input(fd_form_bullet->input_bullet_latex,
  89                              current_view->buffer()
  90                              ->params.user_defined_bullets[0].c_str());
  91                 fl_set_choice(fd_form_bullet->choice_bullet_size,
  92                               current_view->buffer()
  93                               ->params.user_defined_bullets[0].getSize() + 2);
  94         } else {
  95                 if (fd_form_bullet->form_bullet->visible) {
  96                         fl_hide_form(fd_form_bullet->form_bullet);
  97                 }
  98         }
  99         return update;
 100 }
 101
 102 /*---------------------------------------*/
 103 /* callbacks for form form_bullet        */
 104
 105 void BulletOKCB(FL_OBJECT *ob, long data)
 106 {
 107         BulletApplyCB(ob, data);
 108         BulletCancelCB(ob, data);
 109 }
 110
 111
 112 void BulletApplyCB(FL_OBJECT * /*ob*/, long /*data*/ )
 113 {
 114         // update the bullet settings
 115         BufferParams & param = current_view->buffer()->params;
 116
 117         // a little bit of loop unrolling
 118         param.user_defined_bullets[0] = param.temp_bullets[0];
 119         param.user_defined_bullets[1] = param.temp_bullets[1];
 120         param.user_defined_bullets[2] = param.temp_bullets[2];
 121         param.user_defined_bullets[3] = param.temp_bullets[3];
 122         current_view->buffer()->markDirty();
 123 }
 124
 125
 126 void BulletCancelCB(FL_OBJECT * /*ob*/, long /*data*/ )
 127 {
 128         fl_hide_form(fd_form_bullet->form_bullet);
 129         // this avoids confusion when reopening
 130         BufferParams & param = current_view->buffer()->params;
 131         param.temp_bullets[0] = param.user_defined_bullets[0];
 132         param.temp_bullets[1] = param.user_defined_bullets[1];
 133         param.temp_bullets[2] = param.user_defined_bullets[2];
 134         param.temp_bullets[3] = param.user_defined_bullets[3];
 135 }
 136
 137
 138 void InputBulletLaTeXCB(FL_OBJECT *, long)
 139 {
 140         // fill-in code for callback
 141         BufferParams & param = current_view->buffer()->params;
 142
 143         param.temp_bullets[current_bullet_depth].setText(
 144                 fl_get_input(fd_form_bullet->input_bullet_latex));
 145 }
 146
 147
 148 void ChoiceBulletSizeCB(FL_OBJECT * ob, long /*data*/ )
 149 {
 150         BufferParams & param = current_view->buffer()->params;
 151
 152         // convert from 1-6 range to -1-4
 153         param.temp_bullets[current_bullet_depth].setSize(fl_get_choice(ob) - 2);
 154         fl_set_input(fd_form_bullet->input_bullet_latex,
 155                                  param.temp_bullets[current_bullet_depth].c_str());
 156 }
 157
 158
 159 void BulletDepthCB(FL_OBJECT * ob, long data)
 160 {
 161         /* Should I do the following:                                 */
 162         /*  1. change to the panel that the current bullet belongs in */
 163         /*  2. show that bullet as selected                           */
 164         /*  3. change the size setting to the size of the bullet in Q.*/
 165         /*  4. display the latex equivalent in the latex box          */
 166         /*                                                            */
 167         /* I'm inclined to just go with 3 and 4 at the moment and     */
 168         /* maybe try to support the others later                      */
 169         BufferParams & param = current_view->buffer()->params;
 170
 171         switch (fl_get_button_numb(ob)) {
 172         case 3:
 173                 // right mouse button resets to default
 174                 param.temp_bullets[data] = ITEMIZE_DEFAULTS[data];
 175         default:
 176                 current_bullet_depth = data;
 177                 fl_set_input(fd_form_bullet->input_bullet_latex,
 178                              param.temp_bullets[data].c_str());
 179                 fl_set_choice(fd_form_bullet->choice_bullet_size,
 180                               param.temp_bullets[data].getSize() + 2);
 181         }
 182 }
 183
 184
 185 void BulletPanelCB(FL_OBJECT * /*ob*/, long data)
 186 {
 187         /* Here we have to change the background pixmap to that selected */
 188         /* by the user. (eg. standard.xpm, psnfss1.xpm etc...)           */
 189
 190         if (data != current_bullet_panel) {
 191                 fl_freeze_form(fd_form_bullet->form_bullet);
 192                 current_bullet_panel = data;
 193
 194                 /* free the current pixmap */
 195                 fl_free_bmtable_pixmap(fd_form_bullet->bmtable_bullet_panel);
 196                 string new_panel;
 197                 switch (data) {
 198                         /* display the new one */
 199                 case 0 :
 200                         new_panel = "standard";
 201                         break;
 202                 case 1 :
 203                         new_panel = "amssymb";
 204                         break;
 205                 case 2 :
 206                         new_panel = "psnfss1";
 207                         break;
 208                 case 3 :
 209                         new_panel = "psnfss2";
 210                         break;
 211                 case 4 :
 212                         new_panel = "psnfss3";
 213                         break;
 214                 case 5 :
 215                         new_panel = "psnfss4";
 216                         break;
 217                 default :
 218                         /* something very wrong happened */
 219                         // play it safe for now but should be an exception
 220                         current_bullet_panel = 0;  // standard panel
 221                         new_panel = "standard";
 222                         break;
 223                 }
 224                 if (mono_video) {
 225                         new_panel += ".xbm";
 226                         fl_set_bmtable_file(fd_form_bullet->bmtable_bullet_panel, 6, 6,
 227                                LibFileSearch("images", new_panel.c_str()).c_str());
 228                 } else {
 229                         new_panel += ".xpm";
 230                         fl_set_bmtable_pixmap_file(fd_form_bullet->bmtable_bullet_panel, 6, 6,
 231                                LibFileSearch("images", new_panel.c_str()).c_str());
 232                 }
 233                 fl_redraw_object(fd_form_bullet->bmtable_bullet_panel);
 234                 fl_unfreeze_form(fd_form_bullet->form_bullet);
 235         }
 236 }
 237
 238
 239 void BulletBMTableCB(FL_OBJECT *ob, long /*data*/ )
 240 {
 241         /* handle the user input by setting the current bullet depth's pixmap */
 242         /* to that extracted from the current chosen position of the BMTable  */
 243         /* Don't forget to free the button's old pixmap first.                */
 244
 245         BufferParams & param = current_view->buffer()->params;
 246         int bmtable_button = fl_get_bmtable(ob);
 247
 248         /* try to keep the button held down till another is pushed */
 249         /*  fl_set_bmtable(ob, 1, bmtable_button); */
 250         param.temp_bullets[current_bullet_depth].setFont(current_bullet_panel);
 251         param.temp_bullets[current_bullet_depth].setCharacter(bmtable_button);
 252         fl_set_input(fd_form_bullet->input_bullet_latex,
 253                      param.temp_bullets[current_bullet_depth].c_str());
 254 }