htop/Panel.h

134 lines
3.7 KiB
C

#ifndef HEADER_Panel
#define HEADER_Panel
/*
htop - Panel.h
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h" // IWYU pragma: keep
#include <assert.h>
#include <stdbool.h>
#include "CRT.h"
#include "FunctionBar.h"
#include "Object.h"
#include "RichString.h"
#include "Vector.h"
struct Panel_;
typedef struct Panel_ Panel;
typedef enum HandlerResult_ {
HANDLED = 0x01,
IGNORED = 0x02,
BREAK_LOOP = 0x04,
REFRESH = 0x08,
REDRAW = 0x10,
RESCAN = 0x20,
RESIZE = 0x40,
SYNTH_KEY = 0x80,
} HandlerResult;
#define EVENT_SET_SELECTED (-1)
#define EVENT_HEADER_CLICK(x_) (-10000 + (x_))
#define EVENT_IS_HEADER_CLICK(ev_) ((ev_) >= -10000 && (ev_) <= -9000)
#define EVENT_HEADER_CLICK_GET_X(ev_) ((ev_) + 10000)
typedef HandlerResult (*Panel_EventHandler)(Panel*, int);
typedef void (*Panel_DrawFunctionBar)(Panel*, bool);
typedef void (*Panel_PrintHeader)(Panel*);
typedef struct PanelClass_ {
const ObjectClass super;
const Panel_EventHandler eventHandler;
const Panel_DrawFunctionBar drawFunctionBar;
const Panel_PrintHeader printHeader;
} PanelClass;
#define As_Panel(this_) ((const PanelClass*)((this_)->super.klass))
#define Panel_eventHandlerFn(this_) As_Panel(this_)->eventHandler
#define Panel_eventHandler(this_, ev_) (assert(As_Panel(this_)->eventHandler), As_Panel(this_)->eventHandler((Panel*)(this_), ev_))
#define Panel_drawFunctionBarFn(this_) As_Panel(this_)->drawFunctionBar
#define Panel_drawFunctionBar(this_, hideFB_) (assert(As_Panel(this_)->drawFunctionBar), As_Panel(this_)->drawFunctionBar((Panel*)(this_), hideFB_))
#define Panel_printHeaderFn(this_) As_Panel(this_)->printHeader
#define Panel_printHeader(this_) (assert(As_Panel(this_)->printHeader), As_Panel(this_)->printHeader((Panel*)(this_)))
struct Panel_ {
Object super;
int x, y, w, h;
Vector* items;
int selected;
int oldSelected;
int selectedLen;
void* eventHandlerState;
int scrollV;
short scrollH;
bool needsRedraw;
bool wasFocus;
FunctionBar* currentBar;
FunctionBar* defaultBar;
RichString header;
ColorElements selectionColorId;
};
#define Panel_setDefaultBar(this_) do { (this_)->currentBar = (this_)->defaultBar; } while (0)
#define KEY_CTRL(l) ((l)-'A'+1)
extern const PanelClass Panel_class;
Panel* Panel_new(int x, int y, int w, int h, const ObjectClass* type, bool owner, FunctionBar* fuBar);
void Panel_delete(Object* cast);
void Panel_init(Panel* this, int x, int y, int w, int h, const ObjectClass* type, bool owner, FunctionBar* fuBar);
void Panel_done(Panel* this);
void Panel_setSelectionColor(Panel* this, ColorElements colorId);
void Panel_setHeader(Panel* this, const char* header);
void Panel_move(Panel* this, int x, int y);
void Panel_resize(Panel* this, int w, int h);
void Panel_prune(Panel* this);
void Panel_add(Panel* this, Object* o);
void Panel_insert(Panel* this, int i, Object* o);
void Panel_set(Panel* this, int i, Object* o);
Object* Panel_get(Panel* this, int i);
Object* Panel_remove(Panel* this, int i);
Object* Panel_getSelected(Panel* this);
void Panel_moveSelectedUp(Panel* this);
void Panel_moveSelectedDown(Panel* this);
int Panel_getSelectedIndex(const Panel* this);
int Panel_size(const Panel* this);
void Panel_setSelected(Panel* this, int selected);
void Panel_draw(Panel* this, bool force_redraw, bool focus, bool highlightSelected, bool hideFunctionBar);
void Panel_splice(Panel* this, Vector* from);
bool Panel_onKey(Panel* this, int key);
HandlerResult Panel_selectByTyping(Panel* this, int ch);
#endif