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
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
/*
htop
(C) 2004-2010 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "ScreenManager.h"
#include "Panel.h"
#include "Object.h"
#include "Vector.h"
#include "Header.h"
#include "FunctionBar.h"
#include "debug.h"
#include <assert.h>
#include <time.h>
#include <stdbool.h>
/*{
typedef enum Orientation_ {
VERTICAL,
HORIZONTAL
} Orientation;
typedef struct ScreenManager_ {
int x1;
int y1;
int x2;
int y2;
Orientation orientation;
Vector* items;
Vector* fuBars;
int itemCount;
const FunctionBar* fuBar;
const Header* header;
time_t lastScan;
bool owner;
} ScreenManager;
}*/
ScreenManager* ScreenManager_new(int x1, int y1, int x2, int y2, Orientation orientation, const Header* header, bool owner) {
ScreenManager* this;
this = malloc(sizeof(ScreenManager));
this->x1 = x1;
this->y1 = y1;
this->x2 = x2;
this->y2 = y2;
this->fuBar = NULL;
this->orientation = orientation;
this->items = Vector_new(PANEL_CLASS, owner, DEFAULT_SIZE, NULL);
this->fuBars = Vector_new(FUNCTIONBAR_CLASS, true, DEFAULT_SIZE, NULL);
this->itemCount = 0;
this->header = header;
this->owner = owner;
return this;
}
void ScreenManager_delete(ScreenManager* this) {
Vector_delete(this->items);
Vector_delete(this->fuBars);
free(this);
}
inline int ScreenManager_size(ScreenManager* this) {
return this->itemCount;
}
void ScreenManager_add(ScreenManager* this, Panel* item, FunctionBar* fuBar, int size) {
if (this->orientation == HORIZONTAL) {
int lastX = 0;
if (this->itemCount > 0) {
Panel* last = (Panel*) Vector_get(this->items, this->itemCount - 1);
lastX = last->x + last->w + 1;
}
if (size > 0) {
Panel_resize(item, size, LINES-this->y1+this->y2);
} else {
Panel_resize(item, COLS-this->x1+this->x2-lastX, LINES-this->y1+this->y2);
}
Panel_move(item, lastX, this->y1);
}
// TODO: VERTICAL
Vector_add(this->items, item);
if (fuBar)
Vector_add(this->fuBars, fuBar);
else
Vector_add(this->fuBars, FunctionBar_new(NULL, NULL, NULL));
if (!this->fuBar && fuBar) this->fuBar = fuBar;
item->needsRedraw = true;
this->itemCount++;
}
Panel* ScreenManager_remove(ScreenManager* this, int idx) {
assert(this->itemCount > idx);
Panel* panel = (Panel*) Vector_remove(this->items, idx);
Vector_remove(this->fuBars, idx);
this->fuBar = NULL;
this->itemCount--;
return panel;
}
void ScreenManager_resize(ScreenManager* this, int x1, int y1, int x2, int y2) {
this->x1 = x1;
this->y1 = y1;
this->x2 = x2;
this->y2 = y2;
int items = this->itemCount;
int lastX = 0;
for (int i = 0; i < items - 1; i++) {
Panel* panel = (Panel*) Vector_get(this->items, i);
Panel_resize(panel, panel->w, LINES-y1+y2);
Panel_move(panel, lastX, y1);
lastX = panel->x + panel->w + 1;
}
Panel* panel = (Panel*) Vector_get(this->items, items-1);
Panel_resize(panel, COLS-x1+x2-lastX, LINES-y1+y2);
Panel_move(panel, lastX, y1);
}
void ScreenManager_run(ScreenManager* this, Panel** lastFocus, int* lastKey) {
bool quit = false;
int focus = 0;
Panel* panelFocus = (Panel*) Vector_get(this->items, focus);
if (this->fuBar)
FunctionBar_draw(this->fuBar, NULL);
this->lastScan = 0;
int ch = 0;
while (!quit) {
int items = this->itemCount;
if (this->header) {
time_t now = time(NULL);
if (now > this->lastScan) {
ProcessList_scan(this->header->pl);
this->lastScan = now;
}
Header_draw(this->header);
}
for (int i = 0; i < items; i++) {
Panel* panel = (Panel*) Vector_get(this->items, i);
Panel_draw(panel, i == focus);
if (i < items) {
if (this->orientation == HORIZONTAL) {
mvvline(panel->y, panel->x+panel->w, ' ', panel->h+1);
}
}
}
FunctionBar* bar = (FunctionBar*) Vector_get(this->fuBars, focus);
if (bar)
this->fuBar = bar;
if (this->fuBar)
FunctionBar_draw(this->fuBar, NULL);
ch = getch();
if (ch == KEY_MOUSE) {
MEVENT mevent;
int ok = getmouse(&mevent);
if (ok == OK) {
if (mevent.y == LINES - 1) {
ch = FunctionBar_synthesizeEvent(this->fuBar, mevent.x);
} else {
for (int i = 0; i < this->itemCount; i++) {
Panel* panel = (Panel*) Vector_get(this->items, i);
if (mevent.x > panel->x && mevent.x <= panel->x+panel->w &&
mevent.y > panel->y && mevent.y <= panel->y+panel->h) {
focus = i;
panelFocus = panel;
Panel_setSelected(panel, mevent.y - panel->y + panel->scrollV - 1);
break;
}
}
}
}
}
if (panelFocus->eventHandler) {
HandlerResult result = panelFocus->eventHandler(panelFocus, ch);
if (result == HANDLED) {
continue;
} else if (result == BREAK_LOOP) {
quit = true;
continue;
}
}
switch (ch) {
case ERR:
continue;
case KEY_RESIZE:
{
ScreenManager_resize(this, this->x1, this->y1, this->x2, this->y2);
continue;
}
case KEY_LEFT:
case KEY_CTRLB:
tryLeft:
if (focus > 0)
focus--;
panelFocus = (Panel*) Vector_get(this->items, focus);
if (Panel_size(panelFocus) == 0 && focus > 0)
goto tryLeft;
break;
case KEY_RIGHT:
case KEY_CTRLF:
case 9:
tryRight:
if (focus < this->itemCount - 1)
focus++;
panelFocus = (Panel*) Vector_get(this->items, focus);
if (Panel_size(panelFocus) == 0 && focus < this->itemCount - 1)
goto tryRight;
break;
case KEY_F(10):
case 'q':
case 27:
quit = true;
continue;
default:
Panel_onKey(panelFocus, ch);
|