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