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240 lines (214 loc) · 6.45 KB
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/*
htop - IncSet.c
(C) 2005-2012 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "IncSet.h"
#include "StringUtils.h"
#include "Panel.h"
#include "ListItem.h"
#include "CRT.h"
#include <string.h>
#include <stdlib.h>
/*{
#include "FunctionBar.h"
#include "Panel.h"
#include <stdbool.h>
#define INCMODE_MAX 40
typedef enum {
INC_SEARCH = 0,
INC_FILTER = 1
} IncType;
#define IncSet_filter(inc_) (inc_->filtering ? inc_->modes[INC_FILTER].buffer : NULL)
typedef struct IncMode_ {
char buffer[INCMODE_MAX+1];
int index;
FunctionBar* bar;
bool isFilter;
} IncMode;
typedef struct IncSet_ {
IncMode modes[2];
IncMode* active;
Panel* panel;
FunctionBar* defaultBar;
bool filtering;
bool found;
} IncSet;
typedef const char* (*IncMode_GetPanelValue)(Panel*, int);
}*/
static void IncMode_reset(IncMode* mode) {
mode->index = 0;
mode->buffer[0] = 0;
}
static const char* const searchFunctions[] = {"Next ", "Cancel ", " Search: ", NULL};
static const char* const searchKeys[] = {"F3", "Esc", " "};
static int searchEvents[] = {KEY_F(3), 27, ERR};
static inline void IncMode_initSearch(IncMode* search) {
memset(search, 0, sizeof(IncMode));
search->bar = FunctionBar_new(searchFunctions, searchKeys, searchEvents);
search->isFilter = false;
}
static const char* const filterFunctions[] = {"Done ", "Clear ", " Filter: ", NULL};
static const char* const filterKeys[] = {"Enter", "Esc", " "};
static int filterEvents[] = {13, 27, ERR};
static inline void IncMode_initFilter(IncMode* filter) {
memset(filter, 0, sizeof(IncMode));
filter->bar = FunctionBar_new(filterFunctions, filterKeys, filterEvents);
filter->isFilter = true;
}
static inline void IncMode_done(IncMode* mode) {
FunctionBar_delete(mode->bar);
}
IncSet* IncSet_new(FunctionBar* bar) {
IncSet* this = xCalloc(1, sizeof(IncSet));
IncMode_initSearch(&(this->modes[INC_SEARCH]));
IncMode_initFilter(&(this->modes[INC_FILTER]));
this->active = NULL;
this->filtering = false;
this->defaultBar = bar;
return this;
}
void IncSet_delete(IncSet* this) {
IncMode_done(&(this->modes[0]));
IncMode_done(&(this->modes[1]));
free(this);
}
static void updateWeakPanel(IncSet* this, Panel* panel, Vector* lines) {
Object* selected = Panel_getSelected(panel);
Panel_prune(panel);
if (this->filtering) {
int n = 0;
const char* incFilter = this->modes[INC_FILTER].buffer;
for (int i = 0; i < Vector_size(lines); i++) {
ListItem* line = (ListItem*)Vector_get(lines, i);
if (String_contains_i(line->value, incFilter)) {
Panel_add(panel, (Object*)line);
if (selected == (Object*)line) Panel_setSelected(panel, n);
n++;
}
}
} else {
for (int i = 0; i < Vector_size(lines); i++) {
Object* line = Vector_get(lines, i);
Panel_add(panel, line);
if (selected == line) Panel_setSelected(panel, i);
}
}
}
static bool search(IncSet* this, Panel* panel, IncMode_GetPanelValue getPanelValue) {
int size = Panel_size(panel);
bool found = false;
for (int i = 0; i < size; i++) {
if (String_contains_i(getPanelValue(panel, i), this->active->buffer)) {
Panel_setSelected(panel, i);
found = true;
break;
}
}
IncSet_drawBar(this, found ? CRT_colors[FUNCTION_BAR] : CRT_colors[FAILED_SEARCH]);
return found;
}
void IncSet_activate(IncSet* this, IncType type, Panel* panel) {
this->active = &(this->modes[type]);
panel->currentBar = this->active->bar;
panel->cursorOn = true;
this->panel = panel;
IncSet_drawBar(this, CRT_colors[FUNCTION_BAR]);
}
static void IncSet_deactivate(IncSet* this, Panel* panel) {
this->active = NULL;
Panel_setDefaultBar(panel);
panel->cursorOn = false;
FunctionBar_draw(this->defaultBar, NULL);
}
bool IncSet_handleKey(IncSet* this, int ch, Panel* panel, IncMode_GetPanelValue getPanelValue, Vector* lines) {
if (ch == ERR)
return true;
IncMode* mode = this->active;
int size = Panel_size(panel);
bool filterChanged = false;
bool doSearch = true;
if (ch == KEY_F(3)) {
if (size == 0) return true;
int here = Panel_getSelectedIndex(panel);
int i = here;
for(;;) {
i++;
if (i == size) i = 0;
if (i == here) break;
if (String_contains_i(getPanelValue(panel, i), mode->buffer)) {
Panel_setSelected(panel, i);
break;
}
}
doSearch = false;
} else if (ch < 255 && isprint((char)ch)) {
if (mode->index < INCMODE_MAX) {
mode->buffer[mode->index] = ch;
mode->index++;
mode->buffer[mode->index] = 0;
if (mode->isFilter) {
filterChanged = true;
if (mode->index == 1) this->filtering = true;
}
}
} else if ((ch == KEY_BACKSPACE || ch == 127)) {
if (mode->index > 0) {
mode->index--;
mode->buffer[mode->index] = 0;
if (mode->isFilter) {
filterChanged = true;
if (mode->index == 0) {
this->filtering = false;
IncMode_reset(mode);
}
}
} else {
doSearch = false;
}
} else if (ch == KEY_RESIZE) {
Panel_resize(panel, COLS, LINES-panel->y-1);
} else {
if (mode->isFilter) {
filterChanged = true;
if (ch == 27) {
this->filtering = false;
IncMode_reset(mode);
}
} else {
IncMode_reset(mode);
}
IncSet_deactivate(this, panel);
doSearch = false;
}
if (doSearch) {
this->found = search(this, panel, getPanelValue);
}
if (filterChanged && lines) {
updateWeakPanel(this, panel, lines);
}
return filterChanged;
}
const char* IncSet_getListItemValue(Panel* panel, int i) {
ListItem* l = (ListItem*) Panel_get(panel, i);
if (l)
return l->value;
return "";
}
void IncSet_drawBar(IncSet* this, int attr) {
if (this->active) {
int cursorX = FunctionBar_drawAttr(this->active->bar, this->active->buffer, attr);
this->panel->cursorY = LINES - 1;
this->panel->cursorX = cursorX;
} else {
FunctionBar_draw(this->defaultBar, NULL);
}
}
int IncSet_synthesizeEvent(IncSet* this, int x) {
if (this->active) {
return FunctionBar_synthesizeEvent(this->active->bar, x);
} else {
return FunctionBar_synthesizeEvent(this->defaultBar, x);
}
}