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 void
  20 dlg_format_group(struct terminal *term,
  21                  struct widget_data *widget_data,
  22                  int n, int x, int *y, int w, int *rw)
  23 {
  24         int space_between_widgets = 1;
  25         int line_width = 0;
  26         int xpos;
  27         struct color_pair *color = get_bfu_color(term, "dialog.text");
  28
  29         assert(n > 0);
  30         if_assert_failed return;
  31
  32         while (n--) {
  33                 int widget_width;
  34                 int width;
  35                 unsigned char *text = widget_data->widget->text;
  36                 int label_length = (text && *text) ? strlen(text) : 0;
  37                 int label_padding = (label_length > 0);
  38
  39                 if (widget_data->widget->type == WIDGET_CHECKBOX) {
  40                         width = 3;
  41                 } else if (widget_is_textfield(widget_data)) {
  42                         width = widget_data->widget->datalen;
  43                 } else {
  44                         /* TODO: handle all widget types. */
  45                         widget_data++;
  46                         continue;
  47                 }
  48
  49                 int_bounds(&label_length, 0, w - width - label_padding);
  50
  51                 widget_width = width + label_padding + label_length;
  52                 if (line_width + widget_width > w) {
  53                         line_width = 0;
  54                         (*y) += 2;      /* Next line */
  55                 }
  56
  57                 xpos = x + line_width;
  58
  59                 if (term) {
  60                         if (widget_data->widget->type == WIDGET_CHECKBOX) {
  61                                 /* Draw text at right of checkbox. */
  62                                 if (label_length)
  63                                         draw_text(term, xpos + width + label_padding, *y,
  64                                                   text, label_length,
  65                                                   0, color);
  66
  67                                 set_box(&widget_data->box, xpos, *y, width, 1);
  68
  69                         } else if (widget_is_textfield(widget_data)) {
  70                                 /* Draw label at left of widget. */
  71                                 if (label_length)
  72                                         draw_text(term, xpos, *y,
  73                                                   text, label_length,
  74                                                   0, color);
  75
  76                                 set_box(&widget_data->box,
  77                                         xpos + label_padding + label_length, *y,
  78                                         width, 1);
  79                         }
  80                 }
  81
  82                 line_width += widget_width;
  83                 if (rw) int_bounds(rw, line_width, w);
  84                 line_width += space_between_widgets;
  85
  86                 widget_data++;
  87         }
  88         (*y)++;
  89 }
  90
  91 void
  92 group_layouter(struct dialog_data *dlg_data)
  93 {
  94         struct terminal *term = dlg_data->win->term;
  95         int w = dialog_max_width(term);
  96         int rw = int_min(w, strlen(dlg_data->dlg->title));
  97         int y = 0;
  98         int n = dlg_data->number_of_widgets - 2;
  99
 100         dlg_format_group(NULL, dlg_data->widgets_data, n,
 101                          0, &y, w, &rw);
 102
 103         y++;
 104         dlg_format_buttons(NULL, dlg_data->widgets_data + n, 2, 0, &y, w,
 105                            &rw, ALIGN_CENTER);
 106
 107         w = rw;
 108
 109         draw_dialog(dlg_data, w, y);
 110
 111         y = dlg_data->box.y + DIALOG_TB + 1;
 112         dlg_format_group(term, dlg_data->widgets_data, n,
 113                          dlg_data->box.x + DIALOG_LB, &y, w, NULL);
 114
 115         y++;
 116         dlg_format_buttons(term, dlg_data->widgets_data + n, 2,
 117                            dlg_data->box.x + DIALOG_LB, &y, w, &rw, ALIGN_CENTER);
 118 }