123 lines
2.6 KiB
C
123 lines
2.6 KiB
C
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/** \file
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* \brief GLSeparator 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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static int iGLSeparatorIsVertical(Ihandle* ih)
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{
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char* value = iupAttribGetStr(ih, "ORIENTATION");
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if (iupStrEqualNoCase(value, "HORIZONTAL"))
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return 0;
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return 1;
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}
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static int iGLSeparatorACTION(Ihandle* ih)
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{
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int x1, y1, x2, y2;
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int active = iupAttribGetInt(ih, "ACTIVE");
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char* color = iupAttribGetStr(ih, "BORDERCOLOR");
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float bwidth = iupAttribGetFloat(ih, "BORDERWIDTH");
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if (iGLSeparatorIsVertical(ih))
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{
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y1 = 0;
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y2 = ih->currentheight-1;
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x1 = x2 = ih->currentwidth / 2;
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}
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else
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{
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x1 = 0;
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x2 = ih->currentwidth-1;
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y1 = y2 = ih->currentheight / 2;
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}
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iupGLDrawLine(ih, x1, y1, x2, y2, bwidth, color, active);
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return IUP_DEFAULT;
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}
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static int iGLSeparatorCreateMethod(Ihandle* ih, void** params)
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{
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IupSetCallback(ih, "GL_ACTION", iGLSeparatorACTION);
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(void)params;
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return IUP_NOERROR;
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}
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static void iGLSeparatorComputeNaturalSizeMethod(Ihandle* ih, int *w, int *h, int *children_expand)
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{
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int natural_w = 0,
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natural_h = 0;
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float bwidth = iupAttribGetFloat(ih, "BORDERWIDTH");
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int border_width = (int)ceil(bwidth);
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if (iGLSeparatorIsVertical(ih))
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{
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natural_w = border_width;
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if (ih->userheight <= 0 && !(ih->expand & IUP_EXPAND_HEIGHT))
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ih->expand = IUP_EXPAND_HFREE;
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}
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else
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{
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natural_h = border_width;
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if (ih->userwidth <= 0 && !(ih->expand & IUP_EXPAND_WIDTH))
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ih->expand = IUP_EXPAND_WFREE;
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}
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*w = natural_w;
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*h = natural_h;
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(void)children_expand; /* unset if not a container */
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}
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/******************************************************************************/
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Iclass* iupGLSeparatorNewClass(void)
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{
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Iclass* ic = iupClassNew(iupRegisterFindClass("glsubcanvas"));
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ic->name = "glseparator";
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ic->cons = "GLSeparator";
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ic->format = ""; /* none */
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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 = iupGLSeparatorNewClass;
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ic->Create = iGLSeparatorCreateMethod;
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ic->ComputeNaturalSize = iGLSeparatorComputeNaturalSizeMethod;
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/* IupSeparator only */
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iupClassRegisterAttribute(ic, "ORIENTATION", NULL, NULL, IUPAF_SAMEASSYSTEM, "VERTICAL", IUPAF_NO_INHERIT);
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return ic;
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}
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Ihandle* IupGLSeparator(void)
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{
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return IupCreate("glseparator");
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}
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