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 extern BufferView *current_view;
  16 FD_form_bullet *fd_form_bullet;
  17
  18 static int current_bullet_panel;
  19 static int current_bullet_depth;
  20
  21 /** Creates or raises the bullet popup and sets appropriate form values
  22   */
  23 void bulletForm()
  24 {
  25         if (!fd_form_bullet) {
  26                 if (!mono_video
  27                     && (XpmVersion < 4
  28                         || (XpmVersion == 4 && XpmRevision < 7))) {
  29                         WriteAlert(_("Sorry, your libXpm is too old."),
  30                         _("This feature requires xpm-4.7 (a.k.a 3.4g) or newer."),
  31                         _("Try running LyX in mono mode (lyx  -Mono)."));
  32                         return;
  33                 }
  34                 fd_form_bullet = create_form_form_bullet();
  35                 fl_addto_choice(fd_form_bullet->choice_bullet_size,
  36                                 _(" default | tiny | script | footnote | small |"
  37                                 " normal | large | Large | LARGE | huge | Huge"));
  38                 fl_set_choice(fd_form_bullet->choice_bullet_size, 1);
  39                 fl_set_form_atclose(fd_form_bullet->form_bullet,
  40                                     CancelCloseBoxCB, 0);
  41         }
  42
  43         if (updateBulletForm()) {
  44                 // Show form
  45                 if (fd_form_bullet->form_bullet->visible) {
  46                         fl_raise_form(fd_form_bullet->form_bullet);
  47                 }
  48                 else {
  49                         fl_show_form(fd_form_bullet->form_bullet,
  50                                      FL_PLACE_MOUSE,FL_FULLBORDER,
  51                                      _("Itemize Bullet Selection"));
  52                 }
  53         }
  54 }
  55
  56 bool updateBulletForm()
  57 {
  58         bool update = true;
  59         if (!fd_form_bullet) {
  60                 return false;
  61         }
  62         if (!current_view->available()) {
  63                 update = false;
  64         } else if (current_view->currentBuffer()->isReadonly()
  65                    || current_view->currentBuffer()->isLinuxDoc()) {
  66                 fl_deactivate_object (fd_form_bullet->button_ok);
  67                 fl_deactivate_object (fd_form_bullet->button_apply);
  68                 fl_set_object_lcol (fd_form_bullet->button_ok, FL_INACTIVE);
  69                 fl_set_object_lcol (fd_form_bullet->button_apply, FL_INACTIVE);
  70                 fl_deactivate_object (fd_form_bullet->bmtable_bullet_panel);
  71                 fl_deactivate_object (fd_form_bullet->choice_bullet_size);
  72                 fl_deactivate_object (fd_form_bullet->input_bullet_latex);
  73                 update = false;
  74         } else {
  75                 fl_activate_object (fd_form_bullet->button_ok);
  76                 fl_activate_object (fd_form_bullet->button_apply);
  77                 fl_set_object_lcol (fd_form_bullet->button_ok, FL_BLACK);
  78                 fl_set_object_lcol (fd_form_bullet->button_apply, FL_BLACK);
  79                 fl_activate_object (fd_form_bullet->bmtable_bullet_panel);
  80                 fl_activate_object (fd_form_bullet->choice_bullet_size);
  81                 fl_activate_object (fd_form_bullet->input_bullet_latex);
  82         }
  83
  84         if (update) {
  85                 // any settings that need doing each time
  86                 fl_set_button(fd_form_bullet->radio_bullet_depth_1, 1);
  87                 fl_set_input(fd_form_bullet->input_bullet_latex,
  88                              current_view->currentBuffer()
  89                              ->params.user_defined_bullets[0].c_str());
  90                 fl_set_choice(fd_form_bullet->choice_bullet_size,
  91                               current_view->currentBuffer()
  92                               ->params.user_defined_bullets[0].getSize() + 2);
  93         } else {
  94                 if (fd_form_bullet->form_bullet->visible) {
  95                         fl_hide_form(fd_form_bullet->form_bullet);
  96                 }
  97         }
  98         return update;
  99 }
 100
 101 /*---------------------------------------*/
 102 /* callbacks for form form_bullet        */
 103
 104 void BulletOKCB(FL_OBJECT *ob, long data)
 105 {
 106         BulletApplyCB(ob, data);
 107         BulletCancelCB(ob, data);
 108 }
 109
 110
 111 void BulletApplyCB(FL_OBJECT * /*ob*/, long /*data*/ )
 112 {
 113         /* update the bullet settings */
 114         BufferParams & param = current_view->currentBuffer()->params;
 115
 116         // a little bit of loop unrolling
 117         param.user_defined_bullets[0] = param.temp_bullets[0];
 118         param.user_defined_bullets[1] = param.temp_bullets[1];
 119         param.user_defined_bullets[2] = param.temp_bullets[2];
 120         param.user_defined_bullets[3] = param.temp_bullets[3];
 121         current_view->currentBuffer()->markDirty();
 122 }
 123
 124
 125 void BulletCancelCB(FL_OBJECT * /*ob*/, long /*data*/ )
 126 {
 127         fl_hide_form(fd_form_bullet->form_bullet);
 128         // this avoids confusion when reopening
 129         BufferParams & param = current_view->currentBuffer()->params;
 130         param.temp_bullets[0] = param.user_defined_bullets[0];
 131         param.temp_bullets[1] = param.user_defined_bullets[1];
 132         param.temp_bullets[2] = param.user_defined_bullets[2];
 133         param.temp_bullets[3] = param.user_defined_bullets[3];
 134 }
 135
 136
 137 void InputBulletLaTeXCB(FL_OBJECT *, long)
 138 {
 139   /* fill-in code for callback */
 140         BufferParams & param = current_view->currentBuffer()->params;
 141
 142         param.temp_bullets[current_bullet_depth].setText(
 143                 fl_get_input(fd_form_bullet->input_bullet_latex));
 144 }
 145
 146
 147 void ChoiceBulletSizeCB(FL_OBJECT * ob, long /*data*/ )
 148 {
 149         BufferParams & param = current_view->currentBuffer()->params;
 150
 151         // convert from 1-6 range to -1-4
 152         param.temp_bullets[current_bullet_depth].setSize(fl_get_choice(ob) - 2);
 153         fl_set_input(fd_form_bullet->input_bullet_latex,
 154                                  param.temp_bullets[current_bullet_depth].c_str());
 155 }
 156
 157
 158 void BulletDepthCB(FL_OBJECT *ob, long data)
 159 {
 160         /* Should I do the following:                                 */
 161         /*  1. change to the panel that the current bullet belongs in */
 162         /*  2. show that bullet as selected                           */
 163         /*  3. change the size setting to the size of the bullet in Q.*/
 164         /*  4. display the latex equivalent in the latex box          */
 165         /*                                                            */
 166         /* I'm inclined to just go with 3 and 4 at the moment and     */
 167         /* maybe try to support the others later                      */
 168         BufferParams & param = current_view->currentBuffer()->params;
 169
 170         switch (fl_get_button_numb(ob)) {
 171         case 3:
 172                 // right mouse button resets to default
 173                 param.temp_bullets[data] = ITEMIZE_DEFAULTS[data];
 174         default:
 175                 current_bullet_depth = data;
 176                 fl_set_input(fd_form_bullet->input_bullet_latex,
 177                              param.temp_bullets[data].c_str());
 178                 fl_set_choice(fd_form_bullet->choice_bullet_size,
 179                               param.temp_bullets[data].getSize() + 2);
 180         }
 181 }
 182
 183
 184 void BulletPanelCB(FL_OBJECT * /*ob*/, long data)
 185 {
 186         /* Here we have to change the background pixmap to that selected */
 187         /* by the user. (eg. standard.xpm, psnfss1.xpm etc...)           */
 188
 189         if (data != current_bullet_panel) {
 190                 fl_freeze_form(fd_form_bullet->form_bullet);
 191                 current_bullet_panel = data;
 192
 193                 /* free the current pixmap */
 194                 fl_free_bmtable_pixmap(fd_form_bullet->bmtable_bullet_panel);
 195                 string new_panel;
 196                 switch (data) {
 197                         /* display the new one */
 198                 case 0 :
 199                         new_panel = "standard";
 200                         break;
 201                 case 1 :
 202                         new_panel = "amssymb";
 203                         break;
 204                 case 2 :
 205                         new_panel = "psnfss1";
 206                         break;
 207                 case 3 :
 208                         new_panel = "psnfss2";
 209                         break;
 210                 case 4 :
 211                         new_panel = "psnfss3";
 212                         break;
 213                 case 5 :
 214                         new_panel = "psnfss4";
 215                         break;
 216                 default :
 217                         /* something very wrong happened */
 218                         // play it safe for now but should be an exception
 219                         current_bullet_panel = 0;  // standard panel
 220                         new_panel = "standard";
 221                         break;
 222                 }
 223                 if (mono_video) {
 224                         new_panel += ".xbm";
 225                         fl_set_bmtable_file(fd_form_bullet->bmtable_bullet_panel, 6, 6,
 226                                LibFileSearch("images", new_panel.c_str()).c_str());
 227                 }
 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->currentBuffer()->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 }