src/bfu/group.c

   1 /* Widget group implementation. */
   2
   3 #ifdef HAVE_CONFIG_H
   4 #include "config.h"
   5 #endif
   6
   7 #include <string.h>
   8
   9 #include "elinks.h"
  10
  11 #include "bfu/dialog.h"
  12 #include "bfu/button.h"
  13 #include "bfu/group.h"
  14 #include "intl/gettext/libintl.h"
  15 #include "terminal/draw.h"
  16 #include "terminal/terminal.h"
  17 #include "util/color.h"
  18
  19 /* Same as in src/bfu/checkbox.c */
  20 #define CHECKBOX_LEN 3  /* "[X]" or "(X)" */
  21
  22 void
  23 dlg_format_group(struct dialog_data *dlg_data,
  24                  struct widget_data *widget_data,
  25                  int n, int x, int *y, int w, int *rw, int format_only)
  26 {
  27         struct terminal *term = dlg_data->win->term;
  28         int space_between_widgets = 1;
  29         int line_width = 0;
  30         int xpos;
  31         struct color_pair *color = get_bfu_color(term, "dialog.text");
  32
  33         assert(n > 0);
  34         if_assert_failed return;
  35
  36         while (n--) {
  37                 int widget_width;
  38                 int width;
  39                 unsigned char *text = widget_data->widget->text;
  40                 int label_length;
  41                 int label_padding;
  42
  43 #ifdef CONFIG_UTF8
  44                 if (term->utf8_cp) {
  45                         if (text && *text)
  46                                 label_length = utf8_ptr2cells(text, NULL);
  47                         else
  48                                 label_length = 0;
  49                 } else
  50 #endif /* CONFIG_UTF8 */
  51                         label_length = (text && *text) ? strlen(text) : 0;
  52
  53                 label_padding = (label_length > 0);
  54
  55                 if (widget_data->widget->type == WIDGET_CHECKBOX) {
  56                         width = CHECKBOX_LEN;
  57                 } else if (widget_is_textfield(widget_data)) {
  58 #ifdef CONFIG_UTF8
  59                         if (term->utf8_cp) {
  60                                 width = utf8_ptr2cells(widget_data->widget->data,
  61                                                        NULL);
  62                         } else
  63 #endif /* CONFIG_UTF8 */
  64                                 width = widget_data->widget->datalen;
  65                 } else {
  66                         /* TODO: handle all widget types. */
  67                         widget_data++;
  68                         continue;
  69                 }
  70
  71                 int_bounds(&label_length, 0, w - width - label_padding);
  72
  73                 widget_width = width + label_padding + label_length;
  74                 if (line_width + widget_width > w) {
  75                         line_width = 0;
  76                         (*y) += 2;      /* Next line */
  77                 }
  78
  79                 xpos = x + line_width;
  80
  81                 if (!format_only) {
  82                         if (widget_data->widget->type == WIDGET_CHECKBOX) {
  83                                 /* Draw text at right of checkbox. */
  84                                 if (label_length) {
  85 #ifdef CONFIG_UTF8
  86                                         if (term->utf8_cp) {
  87                                                 int lb = utf8_cells2bytes(
  88                                                                 text,
  89                                                                 label_length,
  90                                                                 NULL);
  91                                                 draw_dlg_text(term, dlg_data, xpos + width
  92                                                                 + label_padding,
  93                                                           *y, text, lb, 0,
  94                                                           color);
  95                                         } else
  96 #endif /* CONFIG_UTF8 */
  97                                         {
  98                                                 draw_dlg_text(term, dlg_data, xpos + width
  99                                                                 + label_padding,
 100                                                           *y, text,
 101                                                           label_length, 0,
 102                                                           color);
 103                                         }
 104                                 }
 105
 106                                 set_box(&widget_data->box, xpos, *y, width, 1);
 107
 108                         } else if (widget_is_textfield(widget_data)) {
 109                                 /* Draw label at left of widget. */
 110                                 if (label_length) {
 111 #ifdef CONFIG_UTF8
 112                                         if (term->utf8_cp) {
 113                                                 int lb = utf8_cells2bytes(
 114                                                                 text,
 115                                                                 label_length,
 116                                                                 NULL);
 117                                                 draw_dlg_text(term, dlg_data, xpos, *y,
 118                                                           text, lb, 0, color);
 119                                         } else
 120 #endif /* CONFIG_UTF8 */
 121                                         {
 122                                                 draw_dlg_text(term, dlg_data, xpos, *y,
 123                                                           text, label_length,
 124                                                           0, color);
 125                                         }
 126                                 }
 127
 128                                 set_box(&widget_data->box,
 129                                         xpos + label_padding + label_length, *y,
 130                                         width, 1);
 131                         }
 132                 }
 133
 134                 line_width += widget_width;
 135                 if (rw) int_bounds(rw, line_width, w);
 136                 line_width += space_between_widgets;
 137
 138                 widget_data++;
 139         }
 140         (*y)++;
 141 }
 142
 143 void
 144 group_layouter(struct dialog_data *dlg_data)
 145 {
 146         struct terminal *term = dlg_data->win->term;
 147         int w = dialog_max_width(term);
 148         int rw;
 149         int y = 0;
 150         int n = dlg_data->number_of_widgets - 2;
 151
 152 #ifdef CONFIG_UTF8
 153         if (term->utf8_cp)
 154                 rw = int_min(w, utf8_ptr2cells(dlg_data->dlg->title, NULL));
 155         else
 156 #endif /* CONFIG_UTF8 */
 157                 rw = int_min(w, strlen(dlg_data->dlg->title));
 158
 159         dlg_format_group(dlg_data, dlg_data->widgets_data, n,
 160                          0, &y, w, &rw, 1);
 161
 162         y++;
 163         dlg_format_buttons(dlg_data, dlg_data->widgets_data + n, 2, 0, &y, w,
 164                            &rw, ALIGN_CENTER, 1);
 165
 166         w = rw;
 167
 168         draw_dialog(dlg_data, w, y);
 169
 170         y = dlg_data->box.y + DIALOG_TB + 1;
 171         dlg_format_group(dlg_data, dlg_data->widgets_data, n,
 172                          dlg_data->box.x + DIALOG_LB, &y, w, NULL, 0);
 173
 174         y++;
 175         dlg_format_buttons(dlg_data, dlg_data->widgets_data + n, 2,
 176                            dlg_data->box.x + DIALOG_LB, &y, w, &rw, ALIGN_CENTER, 0);
 177 }