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/*
htop - ColumnsPanel.c
(C) 2004-2015 Hisham H. Muhammad
(C) 2020 Red Hat, Inc. All Rights Reserved.
Released under the GNU GPLv2+, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h" // IWYU pragma: keep
#include "MainPanel.h"
#include <ctype.h>
#include <stdlib.h>
#include <sys/types.h>
#include "CRT.h"
#include "FunctionBar.h"
#include "Machine.h"
#include "Platform.h"
#include "ProvideCurses.h"
#include "Row.h"
#include "RowField.h"
#include "Settings.h"
#include "Table.h"
#include "XUtils.h"
static const char* const MainFunctions[] = {"Help ", "Setup ", "Search", "Filter", "Tree ", "SortBy", "Nice -", "Nice +", "Kill ", "Quit ", NULL};
static const char* const MainFunctions_ro[] = {"Help ", "Setup ", "Search", "Filter", "Tree ", "SortBy", " ", " ", " ", "Quit ", NULL};
void MainPanel_updateLabels(MainPanel* this, bool list, bool filter) {
FunctionBar* bar = MainPanel_getFunctionBar(this);
FunctionBar_setLabel(bar, KEY_F(5), list ? "List " : "Tree ");
FunctionBar_setLabel(bar, KEY_F(4), filter ? "FILTER" : "Filter");
}
static void MainPanel_idSearch(MainPanel* this, int ch) {
Panel* super = (Panel*) this;
pid_t id = ch - 48 + this->idSearch;
for (int i = 0; i < Panel_size(super); i++) {
const Row* row = (const Row*) Panel_get(super, i);
if (row && row->id == id) {
Panel_setSelected(super, i);
break;
}
}
this->idSearch = id * 10;
if (this->idSearch > 10000000) {
this->idSearch = 0;
}
}
static const char* MainPanel_getValue(Panel* this, int i) {
Row* row = (Row*) Panel_get(this, i);
return Row_sortKeyString(row);
}
static HandlerResult MainPanel_eventHandler(Panel* super, int ch) {
MainPanel* this = (MainPanel*) super;
Machine* host = this->state->host;
Htop_Reaction reaction = HTOP_OK;
HandlerResult result = IGNORED;
/* Let supervising ScreenManager handle resize */
if (ch == KEY_RESIZE)
return IGNORED;
/* reset on every normal key */
bool needReset = ch != ERR;
#ifdef HAVE_GETMOUSE
/* except mouse events while mouse support is disabled */
if (!(ch != KEY_MOUSE || host->settings->enableMouse))
needReset = false;
#endif
if (needReset)
this->state->hideSelection = false;
Settings* settings = host->settings;
ScreenSettings* ss = settings->ss;
if (EVENT_IS_HEADER_CLICK(ch)) {
int x = EVENT_HEADER_CLICK_GET_X(ch);
int hx = super->scrollH + x + 1;
RowField field = RowField_keyAt(settings, hx);
if (ss->treeView && ss->treeViewAlwaysByPID) {
ss->treeView = false;
ss->direction = 1;
reaction |= Action_setSortKey(settings, field);
} else if (field == ScreenSettings_getActiveSortKey(ss)) {
ScreenSettings_invertSortOrder(ss);
} else {
reaction |= Action_setSortKey(settings, field);
}
reaction |= HTOP_RECALCULATE | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR | HTOP_SAVE_SETTINGS;
result = HANDLED;
} else if (EVENT_IS_SCREEN_TAB_CLICK(ch)) {
int x = EVENT_SCREEN_TAB_GET_X(ch);
reaction |= Action_setScreenTab(this->state, x);
result = HANDLED;
} else if (ch != ERR && this->inc->active) {
bool filterChanged = IncSet_handleKey(this->inc, ch, super, MainPanel_getValue, NULL);
if (filterChanged) {
host->activeTable->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) {
this->state->hideSelection = true;
return HANDLED;
} else if (ch != ERR && ch > 0 && ch < KEY_MAX && this->keys[ch]) {
reaction |= (this->keys[ch])(this->state);
result = HANDLED;
} else if (0 < ch && ch < 255 && isdigit((unsigned char)ch)) {
MainPanel_idSearch(this, ch);
} else {
if (ch != ERR) {
this->idSearch = 0;
} else {
reaction |= HTOP_KEEP_FOLLOWING;
}
}
if ((reaction & HTOP_REDRAW_BAR) == HTOP_REDRAW_BAR) {
MainPanel_updateLabels(this, settings->ss->treeView, host->activeTable->incFilter);
}
if ((reaction & HTOP_RESIZE) == HTOP_RESIZE) {
result |= RESIZE;
}
if ((reaction & HTOP_UPDATE_PANELHDR) == HTOP_UPDATE_PANELHDR) {
result |= REDRAW;
}
if ((reaction & HTOP_REFRESH) == HTOP_REFRESH) {
result |= REFRESH;
}
if ((reaction & HTOP_RECALCULATE) == HTOP_RECALCULATE) {
result |= RESCAN;
}
if ((reaction & HTOP_SAVE_SETTINGS) == HTOP_SAVE_SETTINGS) {
host->settings->changed = true;
}
if ((reaction & HTOP_QUIT) == HTOP_QUIT) {
return BREAK_LOOP;
}
if ((reaction & HTOP_KEEP_FOLLOWING) != HTOP_KEEP_FOLLOWING) {
host->activeTable->following = -1;
Panel_setSelectionColor(super, PANEL_SELECTION_FOCUS);
}
return result;
}
int MainPanel_selectedRow(MainPanel* this) {
const Row* row = (const Row*) Panel_getSelected((Panel*)this);
return row ? row->id : -1;
}
bool MainPanel_foreachRow(MainPanel* this, MainPanel_foreachRowFn fn, Arg arg, bool* wasAnyTagged) {
Panel* super = (Panel*) this;
bool ok = true;
bool anyTagged = false;
for (int i = 0; i < Panel_size(super); i++) {
Row* row = (Row*) Panel_get(super, i);
if (row->tag) {
ok &= fn(row, arg);
anyTagged = true;
}
}
if (!anyTagged) {
Row* row = (Row*) Panel_getSelected(super);
if (row) {
ok &= fn(row, arg);
}
}
if (wasAnyTagged)
*wasAnyTagged = anyTagged;
return ok;
}
static void MainPanel_drawFunctionBar(Panel* super, bool hideFunctionBar) {
MainPanel* this = (MainPanel*) super;
// Do not hide active search and filter bar.
if (hideFunctionBar && !this->inc->active)
return;
IncSet_drawBar(this->inc, CRT_colors[FUNCTION_BAR]);
if (this->state->pauseUpdate) {
FunctionBar_append("PAUSED", CRT_colors[PAUSED]);
}
}
static void MainPanel_printHeader(Panel* super) {
MainPanel* this = (MainPanel*) super;
Machine* host = this->state->host;
Table_printHeader(host->settings, &super->header);
}
const PanelClass MainPanel_class = {
.super = {
.extends = Class(Panel),
.delete = MainPanel_delete
},
.eventHandler = MainPanel_eventHandler,
.drawFunctionBar
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