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htop
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incremental filtering 

plus some fixes
This commit is contained in:
Hisham Muhammad 2011-09-08 01:17:26 +00:00
parent 3f3213b2e2
commit 11092662ee
4 changed files with 101 additions and 41 deletions
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2
ChangeLog
View File

@ -6,6 +6,8 @@ What's new in version 0.9.1
* Meters update in every screen (no longer halting while on Setup, etc.)
* Stricter checks for command-line options
(thanks to Sebastian Pipping)
* Incremental filtering
(thanks to Seth Heeren for the idea and initial implementation)
* BUGFIX: Support larger numbers for process times.
(thanks to Tristan Nakagawa for the report.)
* BUGFIX: Segfault in BarMeterMode_draw() for small terminal widths

7
htop.1.in
View File

@ -67,7 +67,12 @@ Incremental process search: type in part of a process command line and
the selection highlight will be moved to it. While in search mode,
pressing this key will cycle through matching occurrences.
.TP
.B F4, I
.B F4, \
Incremental process filtering: type in part of a process command line and
only processes whose names match will be shown. To cancel filtering,
enter the Filter option again and press Esc.
.TP
.B I
Invert sort order: if sort order is increasing, switch to decreasing,
and vice-versa.
.TP

131
htop.c
View File

@ -118,7 +118,7 @@ static void showHelp(ProcessList* pl) {
mvaddstr( 9, 0, " Arrows: scroll process list F5 t: tree view");
mvaddstr(10, 0, " Digits: incremental PID search u: show processes of a single user");
mvaddstr(11, 0, " F3 /: incremental name search H: hide/show user threads");
mvaddstr(12, 0, " K: hide/show kernel threads");
mvaddstr(12, 0, " F4 \\: incremental name filtering K: hide/show kernel threads");
mvaddstr(13, 0, " Space: tag processes F: cursor follows process");
mvaddstr(14, 0, " U: untag all processes + -: expand/collapse tree");
mvaddstr(15, 0, " F9 k: kill process/tagged processes P: sort by CPU%");
@ -126,10 +126,10 @@ static void showHelp(ProcessList* pl) {
mvaddstr(17, 0, " [ F8: lower priority (+ nice) T: sort by TIME");
#ifdef HAVE_PLPA
if (pl->cpuCount > 1)
mvaddstr(18, 0, " a: set CPU affinity F4 I: invert sort order");
mvaddstr(18, 0, " a: set CPU affinity I: invert sort order");
else
#endif
mvaddstr(18, 0, " F4 I: invert sort order");
mvaddstr(18, 0, " I: invert sort order");
mvaddstr(19, 0, " F2 S: setup F6 >: select sort column");
mvaddstr(20, 0, " F1 h: show this help screen l: list open files with lsof");
mvaddstr(21, 0, " F10 q: quit s: trace syscalls with strace");
@ -138,7 +138,7 @@ static void showHelp(ProcessList* pl) {
mvaddstr( 9, 0, " Arrows"); mvaddstr( 9,40, " F5 t");
mvaddstr(10, 0, " Digits"); mvaddstr(10,40, " u");
mvaddstr(11, 0, " F3 /"); mvaddstr(11,40, " H");
mvaddstr(12,40, " K");
mvaddstr(12, 0, " F4 \\"); mvaddstr(12,40, " K");
mvaddstr(13, 0, " Space"); mvaddstr(13,40, " F");
mvaddstr(14, 0, " U"); mvaddstr(14,40, " + -");
mvaddstr(15, 0, " F9 k"); mvaddstr(15,40, " P");
@ -246,6 +246,17 @@ static inline void setSortKey(ProcessList* pl, ProcessField sortKey, Panel* pane
ProcessList_printHeader(pl, Panel_getHeader(panel));
}
typedef struct IncBuffer_ {
char buffer[INCSEARCH_MAX];
int index;
FunctionBar* bar;
} IncBuffer;
static void IncBuffer_reset(IncBuffer* inc) {
inc->index = 0;
inc->buffer[0] = 0;
}
int main(int argc, char** argv) {
int delay = -1;
@ -334,12 +345,7 @@ int main(int argc, char** argv) {
Settings* settings;
Panel* killPanel = NULL;
char incSearchBuffer[INCSEARCH_MAX];
int incSearchIndex = 0;
incSearchBuffer[0] = 0;
bool incSearchMode = false;
ProcessList* pl = NULL;
UsersTable* ut = UsersTable_new();
@ -364,13 +370,25 @@ int main(int argc, char** argv) {
pl->direction = 1;
}
ProcessList_printHeader(pl, Panel_getHeader(panel));
const char* searchFunctions[] = {"Next ", "Exit ", " Search: ", NULL};
IncBuffer incSearch, incFilter;
bool filtering = false;
memset(&incSearch, 0, sizeof(IncBuffer));
const char* searchFunctions[] = {"Next ", "Cancel ", " Search: ", NULL};
const char* searchKeys[] = {"F3", "Esc", " "};
int searchEvents[] = {KEY_F(3), 27, ERR};
FunctionBar* searchBar = FunctionBar_new(searchFunctions, searchKeys, searchEvents);
incSearch.bar = FunctionBar_new(searchFunctions, searchKeys, searchEvents);
memset(&incFilter, 0, sizeof(IncBuffer));
const char* filterFunctions[] = {"Done ", "Clear ", " Filter: ", NULL};
const char* filterKeys[] = {"Enter", "Esc", " "};
int filterEvents[] = {13, 27, ERR};
incFilter.bar = FunctionBar_new(filterFunctions, filterKeys, filterEvents);
const char* defaultFunctions[] = {"Help ", "Setup ", "Search", "Invert", "Tree ",
IncBuffer* incMode = NULL;
const char* defaultFunctions[] = {"Help ", "Setup ", "Search", "Filter", "Tree ",
"SortBy", "Nice -", "Nice +", "Kill ", "Quit ", NULL};
FunctionBar* defaultBar = FunctionBar_new(defaultFunctions, NULL, NULL);
@ -397,6 +415,7 @@ int main(int argc, char** argv) {
if (recalculate)
oldTime = newTime;
if (doRefresh) {
int currPos = Panel_getSelectedIndex(panel);
pid_t currPid = 0;
int currScrollV = panel->scrollV;
@ -414,8 +433,15 @@ int main(int argc, char** argv) {
int size = ProcessList_size(pl);
int idx = 0;
for (int i = 0; i < size; i++) {
bool hidden = false;
Process* p = ProcessList_get(pl, i);
if (p->show && (!userOnly || (p->st_uid == userId))) {
if ( (!p->show)
|| (userOnly && (p->st_uid != userId))
|| (filtering && !(String_contains_i(p->comm, incFilter.buffer))) )
hidden = true;
if (!hidden) {
Panel_set(panel, idx, (Object*)p);
if ((!follow && idx == currPos) || (follow && p->pid == currPid)) {
Panel_setSelected(panel, idx);
@ -431,10 +457,11 @@ int main(int argc, char** argv) {
Panel_draw(panel, true);
int prev = ch;
move(LINES-1, CRT_cursorX);
ch = getch();
if (ch == ERR) {
if (!incSearchMode)
if (!incMode)
refreshTimeout--;
if (prev == ch && !recalculate) {
closeTimeout++;
@ -446,7 +473,7 @@ int main(int argc, char** argv) {
continue;
}
if (incSearchMode) {
if (incMode) {
doRefresh = false;
int size = Panel_size(panel);
if (ch == KEY_F(3)) {
@ -456,22 +483,40 @@ int main(int argc, char** argv) {
if (i == size)
i = 0;
Process* p = (Process*) Panel_get(panel, i);
if (String_contains_i(p->comm, incSearchBuffer)) {
if (String_contains_i(p->comm, incMode->buffer)) {
Panel_setSelected(panel, i);
break;
}
i++;
}
continue;
} else if (isprint((char)ch) && (incSearchIndex < INCSEARCH_MAX)) {
incSearchBuffer[incSearchIndex] = ch;
incSearchIndex++;
incSearchBuffer[incSearchIndex] = 0;
} else if ((ch == KEY_BACKSPACE || ch == 127) && (incSearchIndex > 0)) {
incSearchIndex--;
incSearchBuffer[incSearchIndex] = 0;
} else if (isprint((char)ch) && (incMode->index < INCSEARCH_MAX)) {
incMode->buffer[incMode->index] = ch;
incMode->index++;
incMode->buffer[incMode->index] = 0;
if (incMode == &incFilter) {
doRefresh = true;
if (incFilter.index == 1) filtering = true;
}
} else if ((ch == KEY_BACKSPACE || ch == 127) && (incMode->index > 0)) {
incMode->index--;
incMode->buffer[incMode->index] = 0;
if (incMode == &incFilter) {
doRefresh = true;
if (incFilter.index == 0) {
filtering = false;
IncBuffer_reset(incMode);
}
}
} else {
incSearchMode = false;
if (incMode == &incFilter) {
doRefresh = true;
if (ch == 27) {
filtering = false;
IncBuffer_reset(incMode);
}
}
incMode = NULL;
FunctionBar_draw(defaultBar, NULL);
continue;
}
@ -479,16 +524,16 @@ int main(int argc, char** argv) {
bool found = false;
for (int i = 0; i < size; i++) {
Process* p = (Process*) Panel_get(panel, i);
if (String_contains_i(p->comm, incSearchBuffer)) {
if (String_contains_i(p->comm, incSearch.buffer)) {
Panel_setSelected(panel, i);
found = true;
break;
}
}
if (found)
FunctionBar_draw(searchBar, incSearchBuffer);
FunctionBar_draw(incMode->bar, incMode->buffer);
else
FunctionBar_drawAttr(searchBar, incSearchBuffer, CRT_colors[FAILED_SEARCH]);
FunctionBar_drawAttr(incMode->bar, incMode->buffer, CRT_colors[FAILED_SEARCH]);
continue;
}
if (isdigit((char)ch)) {
@ -527,7 +572,7 @@ int main(int argc, char** argv) {
continue;
} if (mevent.y == LINES - 1) {
FunctionBar* bar;
if (incSearchMode) bar = searchBar;
if (incMode) bar = incMode->bar;
else bar = defaultBar;
ch = FunctionBar_synthesizeEvent(bar, mevent.x);
}
@ -544,8 +589,8 @@ int main(int argc, char** argv) {
switch (ch) {
case KEY_RESIZE:
Panel_resize(panel, COLS, LINES-headerHeight-1);
if (incSearchMode)
FunctionBar_draw(searchBar, incSearchBuffer);
if (incMode)
FunctionBar_draw(incMode->bar, incMode->buffer);
else
FunctionBar_draw(defaultBar, NULL);
break;
@ -653,11 +698,11 @@ int main(int argc, char** argv) {
if (picked) {
if (picked == allUsers) {
userOnly = false;
break;
} else {
setUserOnly(ListItem_getRef(picked), &userOnly, &userId);
}
}
Panel_delete((Object*)usersPanel);
break;
}
case '+':
@ -773,7 +818,6 @@ int main(int argc, char** argv) {
break;
}
case 'I':
case KEY_F(4):
{
refreshTimeout = 0;
settings->changed = true;
@ -794,11 +838,17 @@ int main(int argc, char** argv) {
}
case KEY_F(3):
case '/':
incSearchIndex = 0;
incSearchBuffer[0] = 0;
incSearchMode = true;
FunctionBar_draw(searchBar, incSearchBuffer);
incMode = &incSearch;
IncBuffer_reset(incMode);
FunctionBar_draw(incSearch.bar, incSearch.buffer);
break;
case KEY_F(4):
case '\\':
incMode = &incFilter;
refreshTimeout = 0;
doRefresh = true;
FunctionBar_draw(incFilter.bar, incFilter.buffer);
continue;
case 't':
case KEY_F(5):
refreshTimeout = 0;
@ -837,9 +887,10 @@ int main(int argc, char** argv) {
Settings_write(settings);
Header_delete(header);
ProcessList_delete(pl);
FunctionBar_delete((Object*)searchBar);
FunctionBar_delete((Object*)incFilter.bar);
FunctionBar_delete((Object*)incSearch.bar);
FunctionBar_delete((Object*)defaultBar);
((Object*)panel)->delete((Object*)panel);
Panel_delete((Object*)panel);
if (killPanel)
((Object*)killPanel)->delete((Object*)killPanel);
UsersTable_delete(ut);

2
htop.h
View File

@ -43,6 +43,8 @@ in the source distribution for its full text.
#define COPYRIGHT "(C) 2004-2011 Hisham Muhammad"
typedef struct IncBuffer_;
int main(int argc, char** argv);
#endif