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213 lines (189 loc) · 5.73 KB
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/*
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 bool(*MainPanel_ForeachProcessFn)(Process*, size_t);
#define MainPanel_getFunctionBar(this_) (((Panel*)(this_))->defaultBar)
}*/
static const char* 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;
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;
}
reaction |= HTOP_KEEP_FOLLOWING;
result = HANDLED;
} else if (ch == 27) {
return HANDLED;
} else if (ch != ERR && 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;
}
switch (ch) {
case KEY_LEFT:
case KEY_CTRLB:
if (super->scrollH > 0) {
super->scrollH -= CRT_scrollHAmount;
super->needsRedraw = true;
}
return HANDLED;
case KEY_RIGHT:
case KEY_CTRLF:
super->scrollH += CRT_scrollHAmount;
super->needsRedraw = true;
return HANDLED;
}
}
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, int 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 = calloc(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);
}