aboutsummaryrefslogtreecommitdiffstats
path: root/InfoScreen.c
blob: f431f799e2af712fa13c05c7f39f40c9c15d4e71 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
#include "config.h" // IWYU pragma: keep

#include "InfoScreen.h"

#include <stdarg.h>
#include <stdio.h>
#include <string.h>

#include "CRT.h"
#include "IncSet.h"
#include "ListItem.h"
#include "Object.h"
#include "ProvideCurses.h"
#include "XUtils.h"


static const char* const InfoScreenFunctions[] = {"Search ", "Filter ", "Refresh", "Done   ", NULL};

static const char* const InfoScreenKeys[] = {"F3", "F4", "F5", "Esc"};

static const int InfoScreenEvents[] = {KEY_F(3), KEY_F(4), KEY_F(5), 27};

InfoScreen* InfoScreen_init(InfoScreen* this, const Process* process, FunctionBar* bar, int height, const char* panelHeader) {
   this->process = process;
   if (!bar) {
      bar = FunctionBar_new(InfoScreenFunctions, InfoScreenKeys, InfoScreenEvents);
   }
   this->display = Panel_new(0, 1, COLS, height, Class(ListItem), false, bar);
   this->inc = IncSet_new(bar);
   this->lines = Vector_new(Vector_type(this->display->items), true, DEFAULT_SIZE);
   Panel_setHeader(this->display, panelHeader);
   return this;
}

InfoScreen* InfoScreen_done(InfoScreen* this) {
   Panel_delete((Object*)this->display);
   IncSet_delete(this->inc);
   Vector_delete(this->lines);
   return this;
}

void InfoScreen_drawTitled(InfoScreen* this, const char* fmt, ...) {
   va_list ap;
   va_start(ap, fmt);

   char title[COLS + 1];
   int len = vsnprintf(title, sizeof(title), fmt, ap);
   va_end(ap);

   if (len > COLS) {
      memset(&title[COLS - 3], '.', 3);
   }

   attrset(CRT_colors[METER_TEXT]);
   mvhline(0, 0, ' ', COLS);
   mvaddstr(0, 0, title);
   attrset(CRT_colors[DEFAULT_COLOR]);
   Panel_draw(this->display, true, true, true, false);

   IncSet_drawBar(this->inc);
}

void InfoScreen_addLine(InfoScreen* this, const char* line) {
   Vector_add(this->lines, (Object*) ListItem_new(line, 0));
   const char* incFilter = IncSet_filter(this->inc);
   if (!incFilter || String_contains_i(line, incFilter)) {
      Panel_add(this->display, Vector_get(this->lines, Vector_size(this->lines) - 1));
   }
}

void InfoScreen_appendLine(InfoScreen* this, const char* line) {
   ListItem* last = (ListItem*)Vector_get(this->lines, Vector_size(this->lines) - 1);
   ListItem_append(last, line);
   const char* incFilter = IncSet_filter(this->inc);
   if (incFilter && Panel_get(this->display, Panel_size(this->display) - 1) != (Object*)last && String_contains_i(line, incFilter)) {
      Panel_add(this->display, (Object*)last);
   }
}

void InfoScreen_run(InfoScreen* this) {
   Panel* panel = this->display;

   if (As_InfoScreen(this)->scan)
      InfoScreen_scan(this);

   InfoScreen_draw(this);

   bool looping = true;
   while (looping) {

      Panel_draw(panel, false, true, true, false);
      IncSet_drawBar(this->inc);

      if (this->inc->active) {
         (void) move(LINES - 1, CRT_cursorX);
      }
#ifdef HAVE_SET_ESCDELAY
      set_escdelay(25);
#endif
      int ch = getch();

      if (ch == ERR) {
         if (As_InfoScreen(this)->onErr) {
            InfoScreen_onErr(this);
            continue;
         }
      }

#ifdef HAVE_GETMOUSE
      if (ch == KEY_MOUSE) {
         MEVENT mevent;
         int ok = getmouse(&mevent);
         if (ok == OK) {
            if (mevent.bstate & BUTTON1_RELEASED) {
               if (mevent.y >= panel->y && mevent.y < LINES - 1) {
                  Panel_setSelected(panel, mevent.y - panel->y + panel->scrollV - 1);
                  ch = 0;
               } else if (mevent.y == LINES - 1) {
                  ch = IncSet_synthesizeEvent(this->inc, mevent.x);
               }
            }
            #if NCURSES_MOUSE_VERSION > 1
            else if (mevent.bstate & BUTTON4_PRESSED) {
               ch = KEY_WHEELUP;
            } else if (mevent.bstate & BUTTON5_PRESSED) {
               ch = KEY_WHEELDOWN;
            }
            #endif
         }
      }
#endif

      if (this->inc->active) {
         IncSet_handleKey(this->inc, ch, panel, IncSet_getListItemValue, this->lines);
         continue;
      }

      switch (ch) {
      case ERR:
         continue;
      case KEY_F(3):
      case '/':
         IncSet_activate(this->inc, INC_SEARCH, panel);
         break;
      case KEY_F(4):
      case '\\':
         IncSet_activate(this->inc, INC_FILTER, panel);
         break;
      case KEY_F(5):
         clear();
         if (As_InfoScreen(this)->scan) {
            Vector_prune(this->lines);
            InfoScreen_scan(this);
         }

         InfoScreen_draw(this);
         break;
      case '\014': // Ctrl+L
         clear();
         InfoScreen_draw(this);
         break;
      case 27:
      case 'q':
      case KEY_F(10):
         looping = false;
         break;
      case KEY_RESIZE:
         Panel_resize(panel, COLS, LINES - 2);
         if (As_InfoScreen(this)->scan) {
            Vector_prune(this->lines);
            InfoScreen_scan(this);
         }

         InfoScreen_draw(this);
         break;
      default:
         if (As_InfoScreen(this)->onKey && InfoScreen_onKey(this, ch)) {
            continue;
         }
         Panel_onKey(panel, ch);
      }
   }
}

© 2014-2022 Faster IT GmbH | imprint | privacy policy