src/test/help.c

   1 /*! \file help.c
   2
   3 */
   4
   5 #include <stdio.h>
   6 #include <string.h>
   7
   8 #include "help.h"
   9
  10 #include "graphics.h"
  11 #include "gui.h"
  12 #include "loop.h"
  13 #include "menu.h"
  14
  15 #include "widget/widgets.h"
  16
  17 #include "main.h"
  18
  19 #include "loadso.h"
  20
  21 enum wid_t {
  22     WID_BACK,
  23     WID_README,
  24     WIDS
  25 };
  26
  27 static void get_readme_text(struct xuni_t *xuni, struct widget_t *panel);
  28
  29 int help_init(struct xuni_t *xuni, struct panel_data_t *data) {
  30     struct widget_t *panel = data->event[PANEL_EVENT_INIT].p.init.panel;
  31
  32     init_wid(xuni->gui->widget, xuni->gui->widget, PANEL_HELP, "help");
  33
  34     init_wid(panel, panel, WID_BACK, "back");
  35     init_wid(panel, panel, WID_README, "readme");
  36
  37     add_widget_accelerator(xuni, panel, widget_nameid_access(panel, WID_BACK),
  38         SDLK_ESCAPE, KMOD_NONE);
  39
  40     get_readme_text(xuni, panel);
  41
  42     return 0;
  43 }
  44
  45 static void get_readme_text(struct xuni_t *xuni, struct widget_t *panel) {
  46     FILE *file = fopen("README", "r");
  47     char line[BUFSIZ], *p;
  48
  49     if(!file) return;
  50
  51     while(fgets(line, sizeof(line), file)) {
  52         if((p = strchr(line, '\n'))) *p = 0;
  53
  54         /* !!! blank labels do not work properly
  55             the height of a blank label cannot be determined (with SDL_ttf)
  56         */
  57         if(!*line) {
  58             strcpy(line, " ");
  59         }
  60
  61         add_listbox_item(xuni, widget_nameid_access(panel, WID_README)
  62             ->compose->widget[WID_LISTBOX_DATA],
  63             strstr(line, "http") ? THEME_FONT_MONO : THEME_FONT_SANS, line);
  64     }
  65
  66     widget_event(xuni, widget_nameid_access(panel, WID_README),
  67         WIDGET_EVENT_RESCALE);
  68
  69     fclose(file);
  70 }
  71
  72 int help_start(struct xuni_t *xuni, struct panel_data_t *data) {
  73     set_caption("Help and information");
  74
  75     return 0;
  76 }
  77
  78 int help_event(struct xuni_t *xuni, struct panel_data_t *data) {
  79     panel_type_t *mode = data->event[PANEL_EVENT_EVENT].p.event.mode;
  80     SDL_Event *event = data->event[PANEL_EVENT_EVENT].p.event.event;
  81
  82     switch(event->type) {
  83     case SDL_QUIT:
  84         *mode = PANEL_MAIN_MENU;
  85         break;
  86     default:
  87         break;
  88     }
  89
  90     return 0;
  91 }
  92
  93 int help_paint(struct xuni_t *xuni, struct panel_data_t *data) {
  94     struct widget_t *panel
  95         = widget_nameid_access(xuni->gui->widget, PANEL_HELP);
  96     panel_type_t mode = data->event[PANEL_EVENT_PAINT].p.paint.mode;
  97
  98     clear_screen(xuni->smode->screen);
  99
 100     widget_event(xuni, widget_nameid_access(xuni->gui->widget, PANEL_HELP),
 101         WIDGET_EVENT_PAINT);
 102
 103     update_screen(xuni);
 104
 105     return 0;
 106 }
 107
 108 int help_click(struct xuni_t *xuni, struct panel_data_t *data) {
 109     panel_type_t *mode = data->event[PANEL_EVENT_CLICK].p.click.mode;
 110     struct widget_t *widget = data->event[PANEL_EVENT_CLICK].p.click.widget;
 111
 112     switch(widget->id) {
 113     case WID_BACK:
 114         *mode = PANEL_MAIN_MENU;
 115         break;
 116     }
 117
 118     return 0;  /* ignored */
 119 }
 120
 121 int help_free(struct xuni_t *xuni, struct panel_data_t *data) {
 122     return 0;
 123 }