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refactor *Screen classes, add InfoScreen superclass

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This commit is contained in:
Hisham Muhammad
2016-01-12 06:00:58 -02:00
parent faf2860669
commit 466d4da0c6
10 changed files with 420 additions and 406 deletions
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133
OpenFilesScreen.c
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@ -9,7 +9,6 @@ in the source distribution for its full text.
#include "CRT.h"
#include "ProcessList.h"
#include "ListItem.h"
#include "IncSet.h"
#include "StringUtils.h"
#include "FunctionBar.h"
@ -25,8 +24,7 @@ in the source distribution for its full text.
#include <sys/wait.h>
/*{
#include "Process.h"
#include "Panel.h"
#include "InfoScreen.h"
typedef struct OpenFiles_Data_ {
char* data[256];
@ -44,43 +42,37 @@ typedef struct OpenFiles_FileData_ {
} OpenFiles_FileData;
typedef struct OpenFilesScreen_ {
Process* process;
InfoScreen super;
pid_t pid;
Panel* display;
} OpenFilesScreen;
}*/
static const char* OpenFilesScreenFunctions[] = {"Search ", "Filter ", "Refresh", "Done ", NULL};
static const char* OpenFilesScreenKeys[] = {"F3", "F4", "F5", "Esc"};
static int OpenFilesScreenEvents[] = {KEY_F(3), KEY_F(4), KEY_F(5), 27};
InfoScreenClass OpenFilesScreen_class = {
.super = {
.extends = Class(Object),
.delete = OpenFilesScreen_delete
},
.scan = OpenFilesScreen_scan,
.draw = OpenFilesScreen_draw
};
OpenFilesScreen* OpenFilesScreen_new(Process* process) {
OpenFilesScreen* this = malloc(sizeof(OpenFilesScreen));
this->process = process;
FunctionBar* bar = FunctionBar_new(OpenFilesScreenFunctions, OpenFilesScreenKeys, OpenFilesScreenEvents);
this->display = Panel_new(0, 1, COLS, LINES-3, false, Class(ListItem), bar);
Object_setClass(this, Class(OpenFilesScreen));
if (Process_isThread(process))
this->pid = process->tgid;
else
this->pid = process->pid;
return this;
return (OpenFilesScreen*) InfoScreen_init(&this->super, process, NULL, LINES-3, " FD TYPE DEVICE SIZE NODE NAME");
}
void OpenFilesScreen_delete(OpenFilesScreen* this) {
Panel_delete((Object*)this->display);
free(this);
void OpenFilesScreen_delete(Object* this) {
free(InfoScreen_done((InfoScreen*)this));
}
static void OpenFilesScreen_draw(OpenFilesScreen* this, IncSet* inc) {
attrset(CRT_colors[METER_TEXT]);
mvhline(0, 0, ' ', COLS);
mvprintw(0, 0, "Snapshot of files open in process %d - %s", this->pid, this->process->comm);
attrset(CRT_colors[DEFAULT_COLOR]);
Panel_draw(this->display, true);
IncSet_drawBar(inc);
void OpenFilesScreen_draw(InfoScreen* this) {
InfoScreen_drawTitled(this, "Snapshot of files open in process %d - %s", ((OpenFilesScreen*)this)->pid, this->process->comm);
}
static OpenFiles_ProcessData* OpenFilesScreen_getProcessData(pid_t pid) {
@ -122,27 +114,21 @@ static OpenFiles_ProcessData* OpenFilesScreen_getProcessData(pid_t pid) {
return pdata;
}
static inline void addLine(const char* line, Vector* lines, Panel* panel, const char* incFilter) {
Vector_add(lines, (Object*) ListItem_new(line, 0));
if (!incFilter || String_contains_i(line, incFilter))
Panel_add(panel, (Object*)Vector_get(lines, Vector_size(lines)-1));
}
static inline void OpenFiles_Data_clear(OpenFiles_Data* data) {
for (int i = 0; i < 255; i++)
if (data->data[i])
free(data->data[i]);
}
static void OpenFilesScreen_scan(OpenFilesScreen* this, Vector* lines, IncSet* inc) {
void OpenFilesScreen_scan(InfoScreen* this) {
Panel* panel = this->display;
int idx = Panel_getSelectedIndex(panel);
Panel_prune(panel);
OpenFiles_ProcessData* pdata = OpenFilesScreen_getProcessData(this->pid);
OpenFiles_ProcessData* pdata = OpenFilesScreen_getProcessData(((OpenFilesScreen*)this)->pid);
if (pdata->error == 127) {
addLine("Could not execute 'lsof'. Please make sure it is available in your $PATH.", lines, panel, IncSet_filter(inc));
InfoScreen_addLine(this, "Could not execute 'lsof'. Please make sure it is available in your $PATH.");
} else if (pdata->error == 1) {
addLine("Failed listing open files.", lines, panel, IncSet_filter(inc));
InfoScreen_addLine(this, "Failed listing open files.");
} else {
OpenFiles_FileData* fdata = pdata->files;
while (fdata) {
@ -155,7 +141,7 @@ static void OpenFilesScreen_scan(OpenFilesScreen* this, Vector* lines, IncSet* i
data['s'] ? data['s'] : "",
data['i'] ? data['i'] : "",
data['n'] ? data['n'] : "");
addLine(entry, lines, panel, IncSet_filter(inc));
InfoScreen_addLine(this, entry);
OpenFiles_Data_clear(&fdata->data);
OpenFiles_FileData* old = fdata;
fdata = fdata->next;
@ -164,82 +150,7 @@ static void OpenFilesScreen_scan(OpenFilesScreen* this, Vector* lines, IncSet* i
OpenFiles_Data_clear(&pdata->data);
}
free(pdata);
Vector_insertionSort(lines);
Vector_insertionSort(this->lines);
Vector_insertionSort(panel->items);
Panel_setSelected(panel, idx);
}
void OpenFilesScreen_run(OpenFilesScreen* this) {
Panel* panel = this->display;
Panel_setHeader(panel, " FD TYPE DEVICE SIZE NODE NAME");
FunctionBar* bar = panel->defaultBar;
IncSet* inc = IncSet_new(bar);
Vector* lines = Vector_new(panel->items->type, true, DEFAULT_SIZE);
OpenFilesScreen_scan(this, lines, inc);
OpenFilesScreen_draw(this, inc);
bool looping = true;
while (looping) {
Panel_draw(panel, true);
if (inc->active)
move(LINES-1, CRT_cursorX);
int ch = getch();
if (ch == KEY_MOUSE) {
MEVENT mevent;
int ok = getmouse(&mevent);
if (ok == OK)
if (mevent.y >= panel->y && mevent.y < LINES - 1) {
Panel_setSelected(panel, mevent.y - panel->y + panel->scrollV);
ch = 0;
} if (mevent.y == LINES - 1)
ch = IncSet_synthesizeEvent(inc, mevent.x);
}
if (inc->active) {
IncSet_handleKey(inc, ch, panel, IncSet_getListItemValue, lines);
continue;
}
switch(ch) {
case ERR:
continue;
case KEY_F(3):
case '/':
IncSet_activate(inc, INC_SEARCH, panel);
break;
case KEY_F(4):
case '\\':
IncSet_activate(inc, INC_FILTER, panel);
break;
case KEY_F(5):
clear();
OpenFilesScreen_scan(this, lines, inc);
OpenFilesScreen_draw(this, inc);
break;
case '\014': // Ctrl+L
clear();
OpenFilesScreen_draw(this, inc);
break;
case 'q':
case 27:
case KEY_F(10):
looping = false;
break;
case KEY_RESIZE:
Panel_resize(panel, COLS, LINES-2);
OpenFilesScreen_draw(this, inc);
break;
default:
Panel_onKey(panel, ch);
}
}
Vector_delete(lines);
IncSet_delete(inc);
}