aboutsummaryrefslogtreecommitdiffstats
path: root/MainPanel.c
blob: 25023367f7e80cb59be538430afea31cbb1e33e2 (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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
/*
htop - ColumnsPanel.c
(C) 2004-2015 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/

#include "MainPanel.h"
#include "Process.h"
#include "Platform.h"
#include "CRT.h"

#include <stdlib.h>

/*{
#include "Panel.h"
#include "Action.h"
#include "Settings.h"

typedef struct MainPanel_ {
   Panel super;
   State* state;
   IncSet* inc;
   Htop_Action *keys;
   pid_t pidSearch;
} MainPanel;

typedef union {
   int i;
   void* v;
} Arg;

typedef bool(*MainPanel_ForeachProcessFn)(Process*, Arg);

#define MainPanel_getFunctionBar(this_) (((Panel*)(this_))->defaultBar)

}*/

static const char* const MainFunctions[]  = {"Help  ", "Setup ", "Search", "Filter", "Tree  ", "SortBy", "Nice -", "Nice +", "Kill  ", "Quit  ", NULL};

void MainPanel_updateTreeFunctions(MainPanel* this, bool mode) {
   FunctionBar* bar = MainPanel_getFunctionBar(this);
   if (mode) {
      FunctionBar_setLabel(bar, KEY_F(5), "Sorted");
      FunctionBar_setLabel(bar, KEY_F(6), "Collap");
   } else {
      FunctionBar_setLabel(bar, KEY_F(5), "Tree  ");
      FunctionBar_setLabel(bar, KEY_F(6), "SortBy");
   }
}

void MainPanel_pidSearch(MainPanel* this, int ch) {
   Panel* super = (Panel*) this;
   pid_t pid = ch-48 + this->pidSearch;
   for (int i = 0; i < Panel_size(super); i++) {
      Process* p = (Process*) Panel_get(super, i);
      if (p && p->pid == pid) {
         Panel_setSelected(super, i);
         break;
      }
   }
   this->pidSearch = pid * 10;
   if (this->pidSearch > 10000000) {
      this->pidSearch = 0;
   }
}

static HandlerResult MainPanel_eventHandler(Panel* super, int ch) {
   MainPanel* this = (MainPanel*) super;

   HandlerResult result = IGNORED;
   
   Htop_Reaction reaction = HTOP_OK;

   if (EVENT_IS_HEADER_CLICK(ch)) {
      int x = EVENT_HEADER_CLICK_GET_X(ch);
      ProcessList* pl = this->state->pl;
      Settings* settings = this->state->settings;
      int hx = super->scrollH + x + 1;
      ProcessField field = ProcessList_keyAt(pl, hx);
      if (field == settings->sortKey) {
         Settings_invertSortOrder(settings);
         settings->treeView = false;
      } else {
         reaction |= Action_setSortKey(settings, field);
      }
      reaction |= HTOP_RECALCULATE | HTOP_REDRAW_BAR | HTOP_SAVE_SETTINGS; 
      result = HANDLED;
   } else if (ch != ERR && this->inc->active) {
      bool filterChanged = IncSet_handleKey(this->inc, ch, super, (IncMode_GetPanelValue) MainPanel_getValue, NULL);
      if (filterChanged) {
         this->state->pl->incFilter = IncSet_filter(this->inc);
         reaction = HTOP_REFRESH | HTOP_REDRAW_BAR;
      }
      if (this->inc->found) {
         reaction |= Action_follow(this->state);
         reaction |= HTOP_KEEP_FOLLOWING;
      }
      result = HANDLED;
   } else if (ch == 27) {
      return HANDLED;
   } else if (ch != ERR && ch > 0 && ch < KEY_MAX && this->keys[ch]) {
      reaction |= (this->keys[ch])(this->state);
      result = HANDLED;
   } else if (isdigit(ch)) {
      MainPanel_pidSearch(this, ch);
   } else {
      if (ch != ERR) {
         this->pidSearch = 0;
      } else {
         reaction |= HTOP_KEEP_FOLLOWING;
      }
   }

   if (reaction & HTOP_REDRAW_BAR) {
      MainPanel_updateTreeFunctions(this, this->state->settings->treeView);
      IncSet_drawBar(this->inc);
   }
   if (reaction & HTOP_UPDATE_PANELHDR) {
      ProcessList_printHeader(this->state->pl, Panel_getHeader(super));
   }
   if (reaction & HTOP_REFRESH) {
      result |= REDRAW;
   }      
   if (reaction & HTOP_RECALCULATE) {
      result |= RESCAN;
   }
   if (reaction & HTOP_SAVE_SETTINGS) {
      this->state->settings->changed = true;
   }
   if (reaction & HTOP_QUIT) {
      return BREAK_LOOP;
   }
   if (!(reaction & HTOP_KEEP_FOLLOWING)) {
      this->state->pl->following = -1;
      Panel_setSelectionColor(super, CRT_colors[PANEL_SELECTION_FOCUS]);
   }
   return result;
}

int MainPanel_selectedPid(MainPanel* this) {
   Process* p = (Process*) Panel_getSelected((Panel*)this);
   if (p) {
      return p->pid;
   }
   return -1;
}

const char* MainPanel_getValue(MainPanel* this, int i) {
   Process* p = (Process*) Panel_get((Panel*)this, i);
   if (p)
      return p->comm;
   return "";
}

bool MainPanel_foreachProcess(MainPanel* this, MainPanel_ForeachProcessFn fn, Arg arg, bool* wasAnyTagged) {
   Panel* super = (Panel*) this;
   bool ok = true;
   bool anyTagged = false;
   for (int i = 0; i < Panel_size(super); i++) {
      Process* p = (Process*) Panel_get(super, i);
      if (p->tag) {
         ok = fn(p, arg) && ok;
         anyTagged = true;
      }
   }
   if (!anyTagged) {
      Process* p = (Process*) Panel_getSelected(super);
      if (p) ok = fn(p, arg) && ok;
   }
   if (wasAnyTagged)
      *wasAnyTagged = anyTagged;
   return ok;
}

PanelClass MainPanel_class = {
   .super = {
      .extends = Class(Panel),
      .delete = MainPanel_delete
   },
   .eventHandler = MainPanel_eventHandler
};

MainPanel* MainPanel_new() {
   MainPanel* this = AllocThis(MainPanel);
   Panel_init((Panel*) this, 1, 1, 1, 1, Class(Process), false, FunctionBar_new(MainFunctions, NULL, NULL));
   this->keys = xCalloc(KEY_MAX, sizeof(Htop_Action));
   this->inc = IncSet_new(MainPanel_getFunctionBar(this));

   Action_setBindings(this->keys);
   Platform_setBindings(this->keys);

   return this;
}

void MainPanel_setState(MainPanel* this, State* state) {
   this->state = state;
}

void MainPanel_delete(Object* object) {
   Panel* super = (Panel*) object;
   MainPanel* this = (MainPanel*) object;
   Panel_done(super);
   IncSet_delete(this->inc);
   free(this->keys);
   free(this);
}

© 2014-2024 Faster IT GmbH | imprint | privacy policy