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authorFrederic Culot <calcurse@culot.org>2008-04-18 17:53:31 +0000
committerFrederic Culot <calcurse@culot.org>2008-04-18 17:53:31 +0000
commitf0d44091519e26b160ce12bc7366d02f196ac852 (patch)
treebcce6810ef6435d44ba3e2ca3d59912cf8f65dfe /src/help.c
parentefd782699b63038a36bf68eaa1230d2d10bd9b38 (diff)
downloadcalcurse-f0d44091519e26b160ce12bc7366d02f196ac852.tar.gz
calcurse-f0d44091519e26b160ce12bc7366d02f196ac852.zip
Generic functions to handle scrolling windows created
Diffstat (limited to 'src/help.c')
-rwxr-xr-xsrc/help.c76
1 files changed, 32 insertions, 44 deletions
diff --git a/src/help.c b/src/help.c
index f023d48..6a81750 100755
--- a/src/help.c
+++ b/src/help.c
@@ -1,4 +1,4 @@
-/* $calcurse: help.c,v 1.22 2008/04/12 21:14:03 culot Exp $ */
+/* $calcurse: help.c,v 1.23 2008/04/18 17:53:31 culot Exp $ */
/*
* Calcurse - text-based organizer
@@ -256,15 +256,12 @@ wanted_page (int ch)
void
help_screen (void)
{
- window_t hwin;
- window_t hpad;
+ scrollwin_t hwin;
const int PADOFFSET = 4;
const int TITLELINES = 3;
+ int need_resize;
int ch = '?';
- int text_lines;
- int first_line = 0, nl = 0;
int page, oldpage;
- int need_resize;
help_page_t hscr[HELPSCREENS];
hscr[HELP_MAIN].title =
@@ -560,71 +557,62 @@ help_screen (void)
"Send your feedback or comments to : calcurse@culot.org\n"
"Calcurse home page : http://culot.org/calcurse");
- need_resize = 0;
- page = oldpage = HELP_MAIN;
- help_wins_init (&hwin, &hpad, PADOFFSET);
+ hwin.win.x = 0;
+ hwin.win.y = 0;
+ hwin.win.h = (notify_bar ()) ? row - 3 : row - 2;
+ hwin.win.w = col;
+ hwin.pad.x = PADOFFSET;
+ hwin.pad.y = TITLELINES;
+ hwin.pad.h = BUFSIZ;
+ hwin.pad.w = col - 2 * PADOFFSET + 1;
+
+ snprintf (hwin.label, BUFSIZ, _("Calcurse %s | help"), VERSION);
+ wins_scrollwin_init (&hwin);
+ wins_show (hwin.win.p, hwin.label);
+ page = oldpage = HELP_MAIN;
+ need_resize = 0;
+
/* Display the help screen related to user input. */
while (ch != 'q')
{
- erase_window_part (hwin.p, 1, TITLELINES, col - 2, hwin.h - 2);
-
+ erase_window_part (hwin.win.p, 1, TITLELINES, col - 2,
+ hwin.win.h - 2);
switch (ch)
{
case KEY_RESIZE:
- help_wins_reset (&hwin, &hpad, PADOFFSET);
- first_line = 0;
- nl = write_help_pad (&hpad, &hscr[oldpage]);
+ help_wins_reset (&hwin.win, &hwin.pad, PADOFFSET);
+ hwin.first_visible_line = 0;
+ hwin.total_lines = write_help_pad (&hwin.pad, &hscr[oldpage]);
need_resize = 1;
break;
case CTRL ('n'):
- if (nl > (first_line + hwin.h - (PADOFFSET + 1)))
- first_line++;
+ if (hwin.total_lines
+ > (hwin.first_visible_line + hwin.win.h - hwin.pad.x))
+ hwin.first_visible_line++;
break;
case CTRL ('p'):
- if (first_line > 0)
- first_line--;
+ if (hwin.first_visible_line > 0)
+ hwin.first_visible_line--;
break;
default:
page = wanted_page (ch);
if (page != NOPAGE)
{
- first_line = 0;
- nl = write_help_pad (&hpad, &hscr[page]);
+ hwin.first_visible_line = 0;
+ hwin.total_lines = write_help_pad (&hwin.pad, &hscr[page]);
oldpage = page;
}
break;
}
-
- /* Draw the scrollbar if necessary. */
- text_lines = hwin.h - (PADOFFSET + 1);
- if (nl > text_lines)
- {
- float ratio = ((float) text_lines + 1) / ((float) nl);
- int sbar_length = (int) (ratio * text_lines);
- int highend = (int) (ratio * first_line);
- int sbar_top = highend + TITLELINES + 1;
-
- if ((sbar_top + sbar_length) > hwin.h - 1)
- sbar_length = hwin.h - 1 - sbar_top;
- draw_scrollbar (hwin.p, sbar_top, col - 2,
- sbar_length, TITLELINES + 1, hwin.h - 1, true);
- }
-
- wmove (win[STA].p, 0, 0);
- wnoutrefresh (hwin.p);
- pnoutrefresh (hpad.p, first_line, 0, PADOFFSET, PADOFFSET,
- hwin.h - 2, col - PADOFFSET);
- doupdate ();
+ wins_scrollwin_display (&hwin);
ch = wgetch (win[STA].p);
ch = tolower (ch);
}
-
- delwin (hpad.p);
- delwin (hwin.p);
+ wins_scrollwin_delete (&hwin);
if (need_resize)
wins_reset ();
}