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/*************************************************************************
* Copyright (c) 2011 AT&T Intellectual Property
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-v10.html
*
* Contributors: Details at https://graphviz.org
*************************************************************************/
#include <glcomp/glcompbutton.h>
#include <glcomp/glcomplabel.h>
#include <glcomp/glcompimage.h>
#include <glcomp/glcompfont.h>
#include <glcomp/glutils.h>
#include <glcomp/glcompset.h>
#include <stdbool.h>
#include <stddef.h>
#include <string.h>
#include <GL/glut.h>
#include <util/alloc.h>
glCompButton *glCompButtonNew(void *par, float x, float y, float w, float h,
char *caption) {
glCompButton *p = gv_alloc(sizeof(glCompButton));
glCompInitCommon(&p->base, par, x, y);
/*customize button color */
p->base.common.color.R = GLCOMPSET_BUTTON_COLOR_R;
p->base.common.color.G = GLCOMPSET_BUTTON_COLOR_G;
p->base.common.color.B = GLCOMPSET_BUTTON_COLOR_B;
p->base.common.color.A = GLCOMPSET_BUTTON_COLOR_ALPHA;
p->base.common.borderWidth = GLCOMPSET_BUTTON_BEVEL;
p->base.common.width = w;
p->base.common.height = h;
p->status = false; // false not pressed, true pressed
p->groupid = 0;
p->base.common.callbacks.click = NULL;
/*set event functions */
p->base.common.functions.draw = (glcompdrawfunc_t)glCompButtonDraw;
p->base.common.functions.click = glCompButtonClick;
p->base.common.functions.mousedown = glCompButtonMouseDown;
p->base.common.functions.mouseover = glCompButtonMouseOver;
p->base.common.functions.mouseup = glCompButtonMouseUp;
/*caption */
glDeleteFont(&p->base.common.font);
p->base.common.font = glNewFontFromParent(&p->base, NULL);
p->label = glCompLabelNew(p, caption);
p->label->base.common.font.justify.VJustify = glFontVJustifyCenter;
p->label->base.common.font.justify.HJustify = glFontHJustifyCenter;
p->label->base.common.align = glAlignParent;
/*image */
p->image = NULL;
return p;
}
int glCompButtonAddPngGlyph(glCompButton *b, const char *fileName) {
int rv;
/*delete if there is an existing image */
if (b->image)
glCompImageDelete(b->image);
/*image on left for now */
b->image = glCompImageNew(b, 0, 0);
rv = glCompImageLoadPng(b->image, fileName);
if (rv) {
b->image->base.common.anchor.leftAnchor = 1;
b->image->base.common.anchor.left = 0;
b->image->base.common.anchor.topAnchor = 1;
b->image->base.common.anchor.top = 0;
b->image->base.common.anchor.bottomAnchor = 1;
b->image->base.common.anchor.bottom = 0;
b->label->base.common.anchor.leftAnchor = 1;
b->label->base.common.anchor.left = b->image->base.common.width;
b->label->base.common.anchor.rightAnchor = 1;
b->label->base.common.anchor.right = 0;
b->label->base.common.anchor.topAnchor = 1;
b->label->base.common.anchor.top = 0;
b->label->base.common.anchor.bottomAnchor = 1;
b->label->base.common.anchor.bottom = 0;
b->label->base.common.align = glAlignNone;
}
return rv;
}
void glCompButtonHide(glCompButton * p)
{
p->base.common.visible = 0;
if (p->label)
p->label->base.common.visible = 0;
if (p->image)
p->image->base.common.visible = 0;
}
void glCompButtonShow(glCompButton * p)
{
p->base.common.visible = 1;
if (p->label)
p->label->base.common.visible = 1;
if (p->image)
p->image->base.common.visible = 1;
}
void glCompButtonDraw(glCompButton * p)
{
glCompCommon ref = p->base.common;
glCompCalcWidget(p->base.common.parent, &p->base.common, &ref);
if (!p->base.common.visible)
return;
/*draw panel */
glCompDrawRectPrism(ref.pos, ref.width, ref.height,
p->base.common.borderWidth, ref.color, !p->status);
if (p->label)
p->label->base.common.functions.draw(p->label);
if (p->image)
p->image->base.common.functions.draw(p->image);
}
void glCompButtonClick(glCompObj *o, float x, float y, glMouseButtonType t) {
glCompButton *p = (glCompButton *) o;
((glCompButton *) o)->status=((glCompButton *) o)->refStatus ;
if (p->groupid == -1) {
p->status = !p->status;
} else {
p->status = false;
}
if (p->base.common.callbacks.click)
p->base.common.callbacks.click(&p->base, x, y, t);
}
void glCompButtonMouseDown(glCompObj *obj, float x, float y,
glMouseButtonType t)
{
(void)x;
(void)y;
(void)t;
((glCompButton *) obj)->refStatus = ((glCompButton *) obj)->status;
((glCompButton *) obj)->status = true;
}
void glCompButtonMouseOver(glCompObj *obj, float x, float y) {
if (obj->common.callbacks.mouseover)
obj->common.callbacks.mouseover(obj, x, y);
}
void glCompButtonMouseUp(glCompObj *obj, float x, float y, glMouseButtonType t)
{
if (obj->common.callbacks.mouseup)
obj->common.callbacks.mouseup(obj, x, y, t);
}
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