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 #ifdef MONO
  15 extern int mono_video;
  16 #endif
  17
  18 extern BufferView * current_view;
  19 FD_form_bullet * fd_form_bullet;
  20
  21 static int current_bullet_panel;
  22 static int current_bullet_depth;
  23
  24 /** Creates or raises the bullet popup and sets appropriate form values
  25   */
  26 void bulletForm()
  27 {
  28         if (!fd_form_bullet) {
  29                 if (
  30 #ifdef MONO
  31                         !mono_video &&
  32 #endif
  33                     (XpmVersion < 4
  34                         || (XpmVersion == 4 && XpmRevision < 7))) {
  35                         WriteAlert(_("Sorry, your libXpm is too old."),
  36                         _("This feature requires xpm-4.7 (a.k.a 3.4g) or newer."),
  37                         _("Try running LyX in mono mode (lyx  -Mono)."));
  38                         return;
  39                 }
  40                 fd_form_bullet = create_form_form_bullet();
  41                 fl_addto_choice(fd_form_bullet->choice_bullet_size,
  42                                 _(" default | tiny | script | footnote | small |"
  43                                 " normal | large | Large | LARGE | huge | Huge"));
  44                 fl_set_choice(fd_form_bullet->choice_bullet_size, 1);
  45                 fl_set_form_atclose(fd_form_bullet->form_bullet,
  46                                     CancelCloseBoxCB, 0);
  47         }
  48
  49         if (updateBulletForm()) {
  50                 // Show form
  51                 if (fd_form_bullet->form_bullet->visible) {
  52                         fl_raise_form(fd_form_bullet->form_bullet);
  53                 }
  54                 else {
  55                         fl_show_form(fd_form_bullet->form_bullet,
  56                                      FL_PLACE_MOUSE, FL_FULLBORDER,
  57                                      _("Itemize Bullet Selection"));
  58                 }
  59         }
  60 }
  61
  62 bool updateBulletForm()
  63 {
  64         bool update = true;
  65         if (!fd_form_bullet) {
  66                 return false;
  67         }
  68         if (!current_view->available()) {
  69                 update = false;
  70         } else if (current_view->buffer()->isReadonly()
  71                    || current_view->buffer()->isLinuxDoc()) {
  72                 fl_deactivate_object (fd_form_bullet->button_ok);
  73                 fl_deactivate_object (fd_form_bullet->button_apply);
  74                 fl_set_object_lcol (fd_form_bullet->button_ok, FL_INACTIVE);
  75                 fl_set_object_lcol (fd_form_bullet->button_apply, FL_INACTIVE);
  76                 fl_deactivate_object (fd_form_bullet->bmtable_bullet_panel);
  77                 fl_deactivate_object (fd_form_bullet->choice_bullet_size);
  78                 fl_deactivate_object (fd_form_bullet->input_bullet_latex);
  79                 update = false;
  80         } else {
  81                 fl_activate_object (fd_form_bullet->button_ok);
  82                 fl_activate_object (fd_form_bullet->button_apply);
  83                 fl_set_object_lcol (fd_form_bullet->button_ok, FL_BLACK);
  84                 fl_set_object_lcol (fd_form_bullet->button_apply, FL_BLACK);
  85                 fl_activate_object (fd_form_bullet->bmtable_bullet_panel);
  86                 fl_activate_object (fd_form_bullet->choice_bullet_size);
  87                 fl_activate_object (fd_form_bullet->input_bullet_latex);
  88         }
  89
  90         if (update) {
  91                 // any settings that need doing each time
  92                 fl_set_button(fd_form_bullet->radio_bullet_depth_1, 1);
  93                 fl_set_input(fd_form_bullet->input_bullet_latex,
  94                              current_view->buffer()
  95                              ->params.user_defined_bullets[0].c_str());
  96                 fl_set_choice(fd_form_bullet->choice_bullet_size,
  97                               current_view->buffer()
  98                               ->params.user_defined_bullets[0].getSize() + 2);
  99         } else {
 100                 if (fd_form_bullet->form_bullet->visible) {
 101                         fl_hide_form(fd_form_bullet->form_bullet);
 102                 }
 103         }
 104         return update;
 105 }
 106
 107 /*---------------------------------------*/
 108 /* callbacks for form form_bullet        */
 109
 110 void BulletOKCB(FL_OBJECT *ob, long data)
 111 {
 112         BulletApplyCB(ob, data);
 113         BulletCancelCB(ob, data);
 114 }
 115
 116
 117 void BulletApplyCB(FL_OBJECT * /*ob*/, long /*data*/ )
 118 {
 119         // update the bullet settings
 120         BufferParams & param = current_view->buffer()->params;
 121
 122         // a little bit of loop unrolling
 123         param.user_defined_bullets[0] = param.temp_bullets[0];
 124         param.user_defined_bullets[1] = param.temp_bullets[1];
 125         param.user_defined_bullets[2] = param.temp_bullets[2];
 126         param.user_defined_bullets[3] = param.temp_bullets[3];
 127         current_view->buffer()->markDirty();
 128 }
 129
 130
 131 void BulletCancelCB(FL_OBJECT * /*ob*/, long /*data*/ )
 132 {
 133         fl_hide_form(fd_form_bullet->form_bullet);
 134         // this avoids confusion when reopening
 135         BufferParams & param = current_view->buffer()->params;
 136         param.temp_bullets[0] = param.user_defined_bullets[0];
 137         param.temp_bullets[1] = param.user_defined_bullets[1];
 138         param.temp_bullets[2] = param.user_defined_bullets[2];
 139         param.temp_bullets[3] = param.user_defined_bullets[3];
 140 }
 141
 142
 143 void InputBulletLaTeXCB(FL_OBJECT *, long)
 144 {
 145         // fill-in code for callback
 146         BufferParams & param = current_view->buffer()->params;
 147
 148         param.temp_bullets[current_bullet_depth].setText(
 149                 fl_get_input(fd_form_bullet->input_bullet_latex));
 150 }
 151
 152
 153 void ChoiceBulletSizeCB(FL_OBJECT * ob, long /*data*/ )
 154 {
 155         BufferParams & param = current_view->buffer()->params;
 156
 157         // convert from 1-6 range to -1-4
 158         param.temp_bullets[current_bullet_depth].setSize(fl_get_choice(ob) - 2);
 159         fl_set_input(fd_form_bullet->input_bullet_latex,
 160                                  param.temp_bullets[current_bullet_depth].c_str());
 161 }
 162
 163
 164 void BulletDepthCB(FL_OBJECT * ob, long data)
 165 {
 166         /* Should I do the following:                                 */
 167         /*  1. change to the panel that the current bullet belongs in */
 168         /*  2. show that bullet as selected                           */
 169         /*  3. change the size setting to the size of the bullet in Q.*/
 170         /*  4. display the latex equivalent in the latex box          */
 171         /*                                                            */
 172         /* I'm inclined to just go with 3 and 4 at the moment and     */
 173         /* maybe try to support the others later                      */
 174         BufferParams & param = current_view->buffer()->params;
 175
 176         switch (fl_get_button_numb(ob)) {
 177         case 3:
 178                 // right mouse button resets to default
 179                 param.temp_bullets[data] = ITEMIZE_DEFAULTS[data];
 180         default:
 181                 current_bullet_depth = data;
 182                 fl_set_input(fd_form_bullet->input_bullet_latex,
 183                              param.temp_bullets[data].c_str());
 184                 fl_set_choice(fd_form_bullet->choice_bullet_size,
 185                               param.temp_bullets[data].getSize() + 2);
 186         }
 187 }
 188
 189
 190 void BulletPanelCB(FL_OBJECT * /*ob*/, long data)
 191 {
 192         /* Here we have to change the background pixmap to that selected */
 193         /* by the user. (eg. standard.xpm, psnfss1.xpm etc...)           */
 194
 195         if (data != current_bullet_panel) {
 196                 fl_freeze_form(fd_form_bullet->form_bullet);
 197                 current_bullet_panel = data;
 198
 199                 /* free the current pixmap */
 200                 fl_free_bmtable_pixmap(fd_form_bullet->bmtable_bullet_panel);
 201                 string new_panel;
 202                 switch (data) {
 203                         /* display the new one */
 204                 case 0 :
 205                         new_panel = "standard";
 206                         break;
 207                 case 1 :
 208                         new_panel = "amssymb";
 209                         break;
 210                 case 2 :
 211                         new_panel = "psnfss1";
 212                         break;
 213                 case 3 :
 214                         new_panel = "psnfss2";
 215                         break;
 216                 case 4 :
 217                         new_panel = "psnfss3";
 218                         break;
 219                 case 5 :
 220                         new_panel = "psnfss4";
 221                         break;
 222                 default :
 223                         /* something very wrong happened */
 224                         // play it safe for now but should be an exception
 225                         current_bullet_panel = 0;  // standard panel
 226                         new_panel = "standard";
 227                         break;
 228                 }
 229 #ifdef MONO
 230                 if (mono_video) {
 231                         new_panel += ".xbm";
 232                         fl_set_bmtable_file(fd_form_bullet->bmtable_bullet_panel, 6, 6,
 233                                LibFileSearch("images", new_panel.c_str()).c_str());
 234                 } else {
 235 #endif
 236                         new_panel += ".xpm";
 237                         fl_set_bmtable_pixmap_file(fd_form_bullet->bmtable_bullet_panel, 6, 6,
 238                                LibFileSearch("images", new_panel.c_str()).c_str());
 239 #ifdef MONO
 240                 }
 241 #endif
 242                 fl_redraw_object(fd_form_bullet->bmtable_bullet_panel);
 243                 fl_unfreeze_form(fd_form_bullet->form_bullet);
 244         }
 245 }
 246
 247
 248 void BulletBMTableCB(FL_OBJECT *ob, long /*data*/ )
 249 {
 250         /* handle the user input by setting the current bullet depth's pixmap */
 251         /* to that extracted from the current chosen position of the BMTable  */
 252         /* Don't forget to free the button's old pixmap first.                */
 253
 254         BufferParams & param = current_view->buffer()->params;
 255         int bmtable_button = fl_get_bmtable(ob);
 256
 257         /* try to keep the button held down till another is pushed */
 258         /*  fl_set_bmtable(ob, 1, bmtable_button); */
 259         param.temp_bullets[current_bullet_depth].setFont(current_bullet_panel);
 260         param.temp_bullets[current_bullet_depth].setCharacter(bmtable_button);
 261         fl_set_input(fd_form_bullet->input_bullet_latex,
 262                      param.temp_bullets[current_bullet_depth].c_str());
 263 }