iup-stack/iup/srcglcontrols/iup_gltoggle.c

327 lines
8.5 KiB
C
Executable File

/** \file
* \brief GLToggle Control.
*
* See Copyright Notice in "iup.h"
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "iup.h"
#include "iupcbs.h"
#include "iupglcontrols.h"
#include "iup_object.h"
#include "iup_attrib.h"
#include "iup_str.h"
#include "iup_register.h"
#include "iup_glcontrols.h"
#include "iup_gldraw.h"
#include "iup_glicon.h"
#include "iup_glsubcanvas.h"
/* from IupRadio implementation */
IUP_SDK_API Ihandle *iupRadioFindToggleParent(Ihandle* ih_toggle);
/* from IupGLButton implementation */
void iupGLButtonDraw(Ihandle* ih);
static void iGLToggleDrawCheckMark(Ihandle* ih)
{
char *image = iupAttribGet(ih, "IMAGE");
char* title = iupAttribGet(ih, "TITLE");
int active = iupAttribGetInt(ih, "ACTIVE");
int pressed = iupAttribGetInt(ih, "PRESSED");
int highlight = iupAttribGetInt(ih, "HIGHLIGHT");
char* fgcolor = iupAttribGetStr(ih, "FGCOLOR");
char* bgcolor = iupAttribGetStr(ih, "BGCOLOR");
float bwidth = iupAttribGetFloat(ih, "BORDERWIDTH");
int border_width = (int)ceil(bwidth);
int check_width = iupAttribGetInt(ih, "CHECKMARKWIDTH");
int spacing = iupAttribGetInt(ih, "SPACING");
Ihandle* radio = iupRadioFindToggleParent(ih);
int check = iupAttribGetBoolean(ih, "VALUE");
int rightbutton = iupAttribGetBoolean(ih, "RIGHTBUTTON");
char* bordercolor = iupAttribGetStr(ih, "BORDERCOLOR");
int y = (ih->currentheight - check_width) / 2;
int x1 = 0;
int x2 = check_width + spacing;
if (pressed)
{
char* presscolor = iupAttribGetStr(ih, "PSCOLOR");
if (presscolor)
bgcolor = presscolor;
}
else if (highlight)
{
char* hlcolor = iupAttribGetStr(ih, "HLCOLOR");
if (hlcolor)
bgcolor = hlcolor;
}
if (!bgcolor)
bgcolor = "255 255 255";
if (rightbutton)
{
x1 = ih->currentwidth - check_width - border_width;
x2 = 0;
}
if (radio)
{
iupGLDrawSmallDisc(ih, x1 + check_width / 2, y + check_width / 2, check_width / 2, bgcolor, 1);
iupGLDrawSmallCircle(ih, x1 + check_width / 2, y + check_width / 2, check_width / 2, bwidth, bordercolor, active);
if (check)
{
iupGLDrawSmallDisc(ih, x1 + check_width / 2, y + check_width / 2, check_width / 4, bordercolor, active);
iupGLDrawSmallCircle(ih, x1 + check_width / 2, y + check_width / 2, check_width / 4, bwidth, bordercolor, active);
}
}
else
{
iupGLDrawBox(ih, x1 + border_width, x1 + check_width - border_width, y + border_width, y + check_width - border_width, bgcolor, 1);
iupGLDrawRect(ih, x1, x1 + check_width, y, y + check_width, bwidth, bordercolor, active, 0);
if (check)
{
int points[6];
points[0] = x1 + 3;
points[1] = y + check_width / 2;
points[2] = x1 + check_width / 2;
points[3] = y + check_width - 3;
points[4] = x1 + check_width - 3;
points[5] = y + 3;
iupGLDrawPolyline(ih, points, 3, 3, bordercolor, active, 0);
}
}
iupGLIconDraw(ih, x2, 0,
ih->currentwidth - check_width - spacing, ih->currentheight,
"IMAGE", image, title, fgcolor, active);
}
static int iGLToggleACTION(Ihandle* ih)
{
int checkmark = iupAttribGetInt(ih, "CHECKMARK");
if (checkmark)
iGLToggleDrawCheckMark(ih);
else
iupGLButtonDraw(ih);
return IUP_DEFAULT;
}
static void iGLToggleNotify(Ihandle* ih, int selected)
{
IFni cb = (IFni)IupGetCallback(ih, "ACTION");
if (cb)
{
int ret = cb(ih, selected);
if (ret == IUP_CLOSE)
IupExitLoop();
}
if (iupObjectCheck(ih))
iupBaseCallValueChangedCb(ih);
}
static int iGLToggleBUTTON_CB(Ihandle* ih, int button, int pressed, int x, int y, char* status)
{
if (button == IUP_BUTTON1)
{
Ihandle* radio = iupRadioFindToggleParent(ih);
int selected = iupAttribGetInt(ih, "VALUE");
Ihandle* last_tg = NULL;
if (!pressed)
{
if (selected) /* was ON */
{
if (!radio)
{
iupAttribSet(ih, "VALUE", "OFF");
selected = 0;
}
else
last_tg = ih; /* to avoid the callback call */
}
else /* was OFF */
{
if (radio)
{
last_tg = (Ihandle*)iupAttribGet(radio, "_IUP_GLTOGGLE_LASTRADIO");
if (iupObjectCheck(last_tg) && last_tg != ih)
iupAttribSet(last_tg, "VALUE", "OFF");
else
last_tg = NULL;
iupAttribSet(radio, "_IUP_GLTOGGLE_LASTRADIO", (char*)ih);
}
iupAttribSet(ih, "VALUE", "ON");
selected = 1;
}
}
/* "PRESSED" was already updated */
iupGLSubCanvasRedraw(ih);
if (!pressed)
{
if (last_tg && ih != last_tg)
iGLToggleNotify(last_tg, 0);
if (!radio || ih != last_tg)
iGLToggleNotify(ih, selected);
}
}
(void)x;
(void)y;
(void)status;
return IUP_DEFAULT;
}
static int iGLToggleSetValueAttrib(Ihandle* ih, const char* value)
{
Ihandle* radio = iupRadioFindToggleParent(ih);
if (radio)
{
/* can only set Radio to ON */
if (iupStrEqualNoCase(value, "TOGGLE") || iupStrBoolean(value))
{
Ihandle* last_tg = (Ihandle*)iupAttribGet(radio, "_IUP_GLTOGGLE_LASTRADIO");
if (iupObjectCheck(last_tg) && last_tg != ih)
iupAttribSet(last_tg, "VALUE", "OFF");
iupAttribSet(radio, "_IUP_GLTOGGLE_LASTRADIO", (char*)ih);
}
else
return 0;
}
else
{
if (iupStrEqualNoCase(value, "TOGGLE"))
{
int oldcheck = iupAttribGetBoolean(ih, "VALUE");
if (oldcheck)
iupAttribSet(ih, "VALUE", "OFF");
else
iupAttribSet(ih, "VALUE", "ON");
return 0;
}
}
return 1;
}
static char* iGLToggleGetRadioAttrib(Ihandle* ih)
{
Ihandle* radio = iupRadioFindToggleParent(ih);
return iupStrReturnBoolean(radio!=NULL);
}
static void iGLToggleComputeNaturalSizeMethod(Ihandle* ih, int *w, int *h, int *children_expand)
{
int check = iupAttribGetInt(ih, "CHECKMARK");
if (check)
{
int check_width = iupAttribGetInt(ih, "CHECKMARKWIDTH");
int spacing = iupAttribGetInt(ih, "SPACING");
float bwidth = iupAttribGetFloat(ih, "BORDERWIDTH");
int border_width = (int)ceil(bwidth);
if (border_width == 0)
return;
/* undo add to the label natural size */
*w -= 2 * border_width;
*h -= 2 * border_width;
/* add to the label natural size */
*w += check_width + spacing;
*h = iupMAX(*h, check_width);
}
(void)children_expand; /* unset if not a container */
}
static int iGLToggleMapMethod(Ihandle* ih)
{
Ihandle* radio = iupRadioFindToggleParent(ih);
if (radio)
{
if (!iupAttribGet(radio, "_IUP_GLTOGGLE_LASTRADIO"))
{
/* this is the first toggle in the radio, and then set it with VALUE=ON */
iupAttribSet(ih, "VALUE", "ON");
}
/* make sure it has at least one name */
if (!iupAttribGetHandleName(ih))
iupAttribSetHandleName(ih);
}
return IUP_NOERROR;
}
static int iGLToggleCreateMethod(Ihandle* ih, void** params)
{
IupSetCallback(ih, "GL_ACTION", iGLToggleACTION);
IupSetCallback(ih, "GL_BUTTON_CB", (Icallback)iGLToggleBUTTON_CB);
(void)params; /* button create already parsed title */
return IUP_NOERROR;
}
/******************************************************************************/
Iclass* iupGLToggleNewClass(void)
{
Iclass* ic = iupClassNew(iupRegisterFindClass("glbutton"));
ic->name = "gltoggle";
ic->cons = "GLToggle";
ic->format = "s"; /* one string */
ic->format_attr = "TITLE";
ic->nativetype = IUP_TYPEVOID;
ic->childtype = IUP_CHILDNONE;
ic->is_interactive = 0;
/* Class functions */
ic->New = iupGLToggleNewClass;
ic->Create = iGLToggleCreateMethod;
ic->ComputeNaturalSize = iGLToggleComputeNaturalSizeMethod;
ic->Map = iGLToggleMapMethod;
iupClassRegisterCallback(ic, "ACTION", "i");
iupClassRegisterCallback(ic, "VALUECHANGED_CB", "");
iupClassRegisterAttribute(ic, "VALUE", NULL, iGLToggleSetValueAttrib, NULL, NULL, IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "RADIO", iGLToggleGetRadioAttrib, NULL, NULL, NULL, IUPAF_READONLY | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "CHECKMARK", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "CHECKMARKWIDTH", NULL, NULL, IUPAF_SAMEASSYSTEM, "14", IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "RIGHTBUTTON", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "IGNORERADIO", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT);
return ic;
}
Ihandle* IupGLToggle(const char* title)
{
void *params[2];
params[0] = (void*)title;
params[1] = NULL;
return IupCreatev("gltoggle", params);
}