source: mainwin.c @ 27c3a93

barnowl_perlaimdebianowlrelease-1.10release-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 27c3a93 was f2f9314, checked in by James M. Kretchmar <kretch@mit.edu>, 22 years ago
Added some defenses against resize crashes, and put in debug messages if they're encountered
  • Property mode set to 100644
File size: 3.9 KB
RevLine 
[7d4fbcd]1#include "owl.h"
2
[1aee7d9]3static const char fileIdent[] = "$Id$";
4
[7d4fbcd]5void owl_mainwin_init(owl_mainwin *mw) {
6  mw->curtruncated=0;
7  mw->lastdisplayed=-1;
8}
9
10void owl_mainwin_redisplay(owl_mainwin *mw) {
11  owl_message *m;
[5eeea3b]12  int i, p, q, lines, isfull, viewsize;
[7d4fbcd]13  int x, y, savey, recwinlines, start;
14  int topmsg, curmsg, color;
15  WINDOW *recwin;
16  owl_view *v;
17  owl_list *filtlist;
18  owl_filter *f;
19
20  recwin=owl_global_get_curs_recwin(&g);
21  topmsg=owl_global_get_topmsg(&g);
22  curmsg=owl_global_get_curmsg(&g);
23  v=owl_global_get_current_view(&g);
24
[f2f9314]25  if (v==NULL) {
26    owl_function_debugmsg("Hit a null window in owl_mainwin_redisplay.");
27    return;
28  }
29
[7d4fbcd]30  werase(recwin);
31
32  recwinlines=owl_global_get_recwin_lines(&g);
33  topmsg=owl_global_get_topmsg(&g);
[5eeea3b]34  viewsize=owl_view_get_size(v);
[7d4fbcd]35
[5eeea3b]36  /* if there are no messages or if topmsg is past the end of the messages,
37   * just draw a blank screen */
38  if (viewsize==0 || topmsg>=viewsize) {
39    if (viewsize==0) {
40      owl_global_set_topmsg(&g, 0);
41    }
[7d4fbcd]42    mw->curtruncated=0;
43    mw->lastdisplayed=-1;
44    wnoutrefresh(recwin);
45    owl_global_set_needrefresh(&g);
46    return;
47  }
48
49  /* write the messages out */
50  isfull=0;
51  mw->curtruncated=0;
[f2e36b5]52  mw->lasttruncated=0;
[5eeea3b]53
54  for (i=topmsg; i<viewsize; i++) {
[7d4fbcd]55    if (isfull) break;
56    m=owl_view_get_element(v, i);
57
58    /* hold on to y in case this is the current message or deleted */
59    getyx(recwin, y, x);
60    savey=y;
61
62    /* if it's the current message, account for a vert_offset */
63    if (i==owl_global_get_curmsg(&g)) {
64      start=owl_global_get_curmsg_vert_offset(&g);
65      lines=owl_message_get_numlines(m)-start;
66    } else {
67      start=0;
68      lines=owl_message_get_numlines(m);
69    }
70
71    /* if we match filters set the color */
72    color=OWL_COLOR_DEFAULT;
73    filtlist=owl_global_get_filterlist(&g);
74    q=owl_list_get_size(filtlist);
75    for (p=0; p<q; p++) {
76      f=owl_list_get_element(filtlist, p);
77      if (owl_filter_message_match(f, m)) {
78        if (owl_filter_get_color(f)!=OWL_COLOR_DEFAULT) color=owl_filter_get_color(f);
79      }
80    }
81
82    /* if we'll fill the screen print a partial message */
83    if ((y+lines > recwinlines) && (i==owl_global_get_curmsg(&g))) mw->curtruncated=1;
[f2e36b5]84    if (y+lines > recwinlines) mw->lasttruncated=1;
[7d4fbcd]85    if (y+lines > recwinlines-1) {
86      isfull=1;
87      owl_message_curs_waddstr(m, owl_global_get_curs_recwin(&g),
88                               start,
89                               start+recwinlines-y,
90                               owl_global_get_rightshift(&g),
91                               owl_global_get_cols(&g)+owl_global_get_rightshift(&g)-1,
92                               color);
93    } else {
94      /* otherwise print the whole thing */
95      owl_message_curs_waddstr(m, owl_global_get_curs_recwin(&g),
96                               start,
97                               start+lines,
98                               owl_global_get_rightshift(&g),
99                               owl_global_get_cols(&g)+owl_global_get_rightshift(&g)-1,
100                               color);
101    }
102
103
104    /* is it the current message and/or deleted? */
105    getyx(recwin, y, x);
106    wattrset(recwin, A_NORMAL);
107    if (owl_global_get_rightshift(&g)==0) {   /* this lame and should be fixed */
108      if (m==owl_view_get_element(v, curmsg)) {
109        wmove(recwin, savey, 0);
110        wattron(recwin, A_BOLD);       
111        if (owl_global_get_curmsg_vert_offset(&g)>0) {
112          waddstr(recwin, "+");
113        } else {
114          waddstr(recwin, "-");
115        }
116        if (!owl_message_is_delete(m)) {
117          waddstr(recwin, ">");
118        } else {
119          waddstr(recwin, "D");
120        }
121        wmove(recwin, y, x);
122        wattroff(recwin, A_BOLD);
123      } else if (owl_message_is_delete(m)) {
124        wmove(recwin, savey, 0);
125        waddstr(recwin, " D");
126        wmove(recwin, y, x);
127      }
128    }
129    wattroff(recwin, A_BOLD);
130  }
131  mw->lastdisplayed=i-1;
132
133  wnoutrefresh(recwin);
134  owl_global_set_needrefresh(&g);
135}
136
137
138int owl_mainwin_is_curmsg_truncated(owl_mainwin *mw) {
139  if (mw->curtruncated) return(1);
140  return(0);
141}
142
[f2e36b5]143int owl_mainwin_is_last_msg_truncated(owl_mainwin *mw) {
144  if (mw->lasttruncated) return(1);
145  return(0);
146}
147
[7d4fbcd]148int owl_mainwin_get_last_msg(owl_mainwin *mw) {
149  /* return the number of the last message displayed. -1 if none */
150  return(mw->lastdisplayed);
151}
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