static void iGLValGetHandlerSize(Ihandle* ih, int is_horizontal, int *width, int *height)
{
char *image = iupAttribGet(ih, "IMAGE");
if (image)
iupGLImageGetInfo(image, width, height, NULL);
else
{
int handler_size = iupAttribGetInt(ih, "HANDLERSIZE");
if (is_horizontal)
{
if (handler_size == 0)
handler_size = ih->currentheight / 2;
*width = handler_size;
*height = ih->currentheight;
}
else
{
if (handler_size == 0)
handler_size = ih->currentwidth / 2;
*width = ih->currentwidth;
*height = handler_size;
}
}
}
static int iGLExpanderGetBarSize(Ihandle* ih)
{
int bar_size;
if (ih->data->barSize == -1)
{
iupGLFontGetCharSize(ih, NULL, &bar_size);
/* define a minimum size only when estimating one from charsize */
if (bar_size < IEXPAND_HANDLE_SIZE)
bar_size = IEXPAND_HANDLE_SIZE;
if (ih->data->position == IEXPANDER_TOP)
{
char* title = iupAttribGetStr(ih, "TITLE");
char* image = iupAttribGetStr(ih, "IMAGE");
if (image)
{
int image_h = 0;
iupGLImageGetInfo(image, NULL, &image_h, NULL);
bar_size = iupMAX(bar_size, image_h);
}
if (title || image || ih->data->extra_buttons != 0)
bar_size += 2 * IEXPAND_BACK_MARGIN;
}
}
else
bar_size = ih->data->barSize;
return bar_size;
}
static void iGLExpanderDrawExtraButton(Ihandle* ih, int button, int x, int y, int height)
{
char* image = iupAttribGetId(ih, "IMAGEEXTRA", button);
int active = IupGetInt(ih, "ACTIVE");
int img_height;
if (!image)
return;
if (ih->data->extra_buttons_state[button] == 1)
{
char* impress = iupAttribGetId(ih, "IMAGEEXTRAPRESS", button);
if (impress) image = impress;
}
else if (ih->data->extra_buttons_state[button] == -1)
{
char* imhighlight = iupAttribGetId(ih, "IMAGEEXTRAHIGHLIGHT", button);
if (imhighlight) image = imhighlight;
}
iupGLImageGetInfo(image, NULL, &img_height, NULL);
if (height > img_height)
y += (height - img_height) / 2;
iupGLDrawImage(ih, x, y, image, !active);
}
static int iGLExpanderIsInsideHandler(Ihandle* ih, int x, int y, int bar_size)
{
char *image = iupAttribGet(ih, "IMAGE");
char* title = iupAttribGet(ih, "TITLE");
if (ih->data->position == IEXPANDER_TOP && (title || image || ih->data->extra_buttons != 0))
{
/* always left aligned */
if (y >= IEXPAND_SPACING + IEXPAND_BACK_MARGIN && y <= bar_size - IEXPAND_SPACING - IEXPAND_BACK_MARGIN)
{
int icon_width = IEXPAND_HANDLE_SIZE;
if (image)
{
int width;
iupGLImageGetInfo(image, &width, NULL, NULL);
icon_width = iupMAX(icon_width, width);
}
if (title)
{
int width;
iupGLFontGetMultiLineStringSize(ih, title, &width, NULL);
icon_width += width;
}
if (x >= IEXPAND_BACK_MARGIN &&
x < IEXPAND_BACK_MARGIN + icon_width)
return 1;
}
}
else
{
/* always centered */
if (ih->data->position == IEXPANDER_TOP || ih->data->position == IEXPANDER_BOTTOM)
{
if (y >= IEXPAND_SPACING && y <= bar_size - IEXPAND_SPACING)
{
int half = ih->currentwidth / 2;
if (x >= half - IEXPAND_HANDLE_SIZE / 2 && x <= half + IEXPAND_HANDLE_SIZE/2)
return 1;
}
}
else /* IEXPANDER_LEFT or IEXPANDER_RIGHT */
{
if (x >= IEXPAND_SPACING && x <= bar_size - IEXPAND_SPACING)
{
int half = ih->currentheight / 2;
if (y >= half - IEXPAND_HANDLE_SIZE / 2 && y <= half + IEXPAND_HANDLE_SIZE / 2)
return 1;
}
}
}
return 0;
}
static void iGLProgressBarComputeNaturalSizeMethod(Ihandle* ih, int *w, int *h, int *children_expand)
{
int natural_w = 0,
natural_h = 0;
int fit2backimage = iupAttribGetBoolean(ih, "FITTOBACKIMAGE");
char* bgimage = iupAttribGet(ih, "BACKIMAGE");
if (fit2backimage && bgimage)
{
iupAttribSet(ih, "BORDERWIDTH", "0");
iupGLImageGetInfo(bgimage, &natural_w, &natural_h, NULL);
}
else
{
iGLProgressBar* pb = (iGLProgressBar*)iupAttribGet(ih, "_IUP_GLPROGRESSBAR");
int charwidth, charheight;
float bwidth = iupAttribGetFloat(ih, "BORDERWIDTH");
int border_width = (int)ceil(bwidth);
int is_horizontal = iupStrEqualNoCase(iupAttribGetStr(ih, "ORIENTATION"), "HORIZONTAL");
iupGLFontGetCharSize(ih, &charwidth, &charheight);
if (is_horizontal)
{
natural_h = charheight;
if (ih->userwidth <= 0)
natural_w = 15 * charwidth;
}
else
{
natural_w = charheight;
if (ih->userheight <= 0)
natural_h = 15 * charwidth;
}
natural_w += 2 * (pb->horiz_padding + border_width);
natural_h += 2 * (pb->vert_padding + border_width);
}
*w = natural_w;
*h = natural_h;
(void)children_expand; /* unset if not a container */
}
static void iGLValComputeNaturalSizeMethod(Ihandle* ih, int *w, int *h, int *children_expand)
{
int natural_w = 0,
natural_h = 0;
int fit2backimage = iupAttribGetBoolean(ih, "FITTOBACKIMAGE");
char* bgimage = iupAttribGet(ih, "BACKIMAGE");
if (fit2backimage && bgimage)
{
iupAttribSet(ih, "BORDERWIDTH", "0");
iupGLImageGetInfo(bgimage, &natural_w, &natural_h, NULL);
}
else
{
int charwidth, charheight;
int is_horizontal = iupStrEqualNoCase(iupAttribGetStr(ih, "ORIENTATION"), "HORIZONTAL");
iupGLFontGetCharSize(ih, &charwidth, &charheight);
if (is_horizontal)
{
natural_h = charheight;
if (ih->userwidth <= 0)
natural_w = 15 * charwidth;
}
else
{
natural_w = charheight;
if (ih->userheight <= 0)
natural_h = 15 * charwidth;
}
}
*w = natural_w;
*h = natural_h;
(void)children_expand; /* unset if not a container */
}
static void iGLButtonComputeNaturalSizeMethod(Ihandle* ih, int *w, int *h, int *children_expand)
{
int fit2backimage = iupAttribGetBoolean(ih, "FITTOBACKIMAGE");
char* bgimage = iupAttribGet(ih, "BACKIMAGE");
if (fit2backimage && bgimage)
{
iupAttribSet(ih, "BORDERWIDTH", "0");
iupGLImageGetInfo(bgimage, w, h, NULL);
}
else
{
float bwidth = iupAttribGetFloat(ih, "BORDERWIDTH");
int border_width = (int)ceil(bwidth);
if (border_width == 0)
return;
/* add to the label natural size */
*w += 2 * border_width;
*h += 2 * border_width;
}
(void)children_expand; /* unset if not a container */
}
static int iGLValACTION_CB(Ihandle* ih)
{
iGLVal* val = (iGLVal*)iupAttribGet(ih, "_IUP_GLVAL");
float bwidth = iupAttribGetFloat(ih, "BORDERWIDTH");
char* bordercolor = iupAttribGetStr(ih, "BORDERCOLOR");
int active = iupAttribGetInt(ih, "ACTIVE");
char* bgcolor = iupAttribGetStr(ih, "BGCOLOR");
int slider_size = iupAttribGetInt(ih, "SLIDERSIZE");
int border_width = (int)ceil(bwidth);
int is_horizontal = iupStrEqualNoCase(iupAttribGetStr(ih, "ORIENTATION"), "HORIZONTAL");
int handler_width, handler_height;
char *image = iupAttribGet(ih, "IMAGE");
char* bgimage = iupAttribGet(ih, "BACKIMAGE");
double percent = (val->value - val->vmin) / (val->vmax - val->vmin);
int x1, y1, x2, y2;
iGLValGetHandlerSize(ih, is_horizontal, &handler_width, &handler_height);
if (is_horizontal)
{
x1 = handler_width / 2;
x2 = ih->currentwidth - 1 - handler_width / 2;
y1 = (ih->currentheight - slider_size) / 2;
y2 = y1 + slider_size;
}
else
{
y1 = handler_height / 2;
y2 = ih->currentheight - 1 - handler_height / 2;
x1 = (ih->currentwidth - slider_size) / 2;
x2 = x1 + slider_size;
}
/* draw slider background */
if (bgimage)
iupGLDrawIconImageZoom(ih, border_width, border_width,
border_width, border_width,
"BACKIMAGE", bgimage, active);
else
{
iupGLDrawBox(ih, x1 + border_width, x2 - border_width,
y1 + border_width, y2 - border_width,
bgcolor, 1); /* always active */
/* draw slider border - can be disabled setting bwidth=0 */
iupGLDrawRect(ih, x1, x2, y1, y2, bwidth, bordercolor, active, 0);
}
if (is_horizontal)
{
int xmid = x1 + iupRound((x2 - x1) * percent);
x1 = xmid - handler_width / 2; if (x1 < 0) x1 = 0;
x2 = xmid + handler_width / 2; if (x2 > ih->currentwidth - 1) x2 = ih->currentwidth - 1;
y1 = 0;
y2 = ih->currentheight - 1;
}
else
{
int ymid = y1 + iupRound((y2 - y1) * (1.0 - percent));
y1 = ymid - handler_height / 2; if (y1 < 0) y1 = 0;
y2 = ymid + handler_height / 2; if (y2 > ih->currentheight - 1) y2 = ih->currentheight - 1;
x1 = 0;
x2 = ih->currentwidth - 1;
}
if (image)
{
int x, y, width, height;
iupGLImageGetInfo(image, &width, &height, NULL);
/* always center the image */
x = (x2 - x1 + 1 - width) / 2;
y = (y2 - y1 + 1 - height) / 2;
if (x1 + x < 0) x = 0;
if (y1 + y < 0) y = 0;
if (x1 + x + width > ih->currentwidth - 1) x = ih->currentwidth - 1 - width - x1;
if (y1 + y + height > ih->currentheight - 1) y = ih->currentheight - 1 - height - y1;
iupGLDrawIconImage(ih, x1 + x, y1 + y, "IMAGE", image, active);
}
else
{
int pressed = iupAttribGetInt(ih, "PRESSED");
int highlight = iupAttribGetInt(ih, "HIGHLIGHT");
char* fgcolor = iupAttribGetStr(ih, "FGCOLOR");
if (pressed)
{
char* presscolor = iupAttribGetStr(ih, "PSCOLOR");
if (presscolor)
fgcolor = presscolor;
}
else if (highlight)
{
char* hlcolor = iupAttribGetStr(ih, "HLCOLOR");
if (hlcolor)
fgcolor = hlcolor;
}
/* draw handler foreground */
iupGLDrawBox(ih, x1 + border_width, x2 - border_width, y1 + border_width, y2 - border_width, fgcolor, active);
/* draw handler border - can still be disabled setting bwidth=0
after the background because of the round rect */
iupGLDrawRect(ih, x1, x2, y1, y2, bwidth, bordercolor, active, 1);
}
return IUP_DEFAULT;
}
static void iGLExpanderComputeNaturalSizeMethod(Ihandle* ih, int *w, int *h, int *children_expand)
{
int child_expand = 0,
natural_w, natural_h;
Ihandle *child = ih->firstchild;
int bar_size = iGLExpanderGetBarSize(ih);
/* bar */
if (ih->data->position == IEXPANDER_LEFT || ih->data->position == IEXPANDER_RIGHT)
{
natural_w = bar_size;
natural_h = IEXPAND_HANDLE_SIZE; /* just a minimum size */
}
else
{
natural_w = IEXPAND_HANDLE_SIZE; /* just a minimum size */
natural_h = bar_size;
if (ih->data->position == IEXPANDER_TOP)
{
char* title, *image;
/* if IMAGE is defined assume that will cover all the canvas area */
image = iupAttribGetStr(ih, "IMAGE");
if (image)
{
int image_w = 0;
iupGLImageGetInfo(image, &image_w, NULL, NULL);
natural_w = iupMAX(natural_w, image_w);
}
/* if TITLE and IMAGE are both defined then
IMAGE is only the handle */
title = iupAttribGetStr(ih, "TITLE");
if (title)
{
int title_size = 0;
iupGLFontGetMultiLineStringSize(ih, title, &title_size, NULL);
natural_w += title_size;
}
if (ih->data->extra_buttons != 0)
natural_w += ih->data->extra_buttons * (IEXPAND_BUTTON_SIZE + IEXPAND_SPACING);
if (image || title || ih->data->extra_buttons != 0)
natural_w += 2 * IEXPAND_BACK_MARGIN;
}
}
if (child)
{
/* update child natural bar_size first */
iupBaseComputeNaturalSize(child);
if (ih->data->position == IEXPANDER_LEFT || ih->data->position == IEXPANDER_RIGHT)
{
if (ih->data->state == IEXPANDER_OPEN) /* only open, not float */
natural_w += child->naturalwidth;
natural_h = iupMAX(natural_h, child->naturalheight);
}
else
{
natural_w = iupMAX(natural_w, child->naturalwidth);
if (ih->data->state == IEXPANDER_OPEN) /* only open, not float */
natural_h += child->naturalheight;
}
if (ih->data->state == IEXPANDER_OPEN)
child_expand = child->expand;
else
{
if (ih->data->position == IEXPANDER_LEFT || ih->data->position == IEXPANDER_RIGHT)
child_expand = child->expand & IUP_EXPAND_HEIGHT; /* only vertical allowed */
else
child_expand = child->expand & IUP_EXPAND_WIDTH; /* only horizontal allowed */
}
}
*children_expand = child_expand;
*w = natural_w;
*h = natural_h;
}
static int iGLExpanderACTION_CB(Ihandle* ih)
{
int x1, y1, x2, y2;
char *image = iupAttribGet(ih, "IMAGE");
char* title = iupAttribGet(ih, "TITLE");
int active = iupAttribGetInt(ih, "ACTIVE");
char* fgcolor = iupAttribGetStr(ih, "FORECOLOR");
char* bgcolor = iupAttribGetStr(ih, "BACKCOLOR");
int highlight = iupAttribGetInt(ih, "HIGHLIGHT");
int pressed = iupAttribGetInt(ih, "PRESSED");
int bar_size = iGLExpanderGetBarSize(ih);
/* calc bar position */
if (ih->data->position == IEXPANDER_LEFT)
{
x1 = 0;
x2 = bar_size;
y1 = 0;
y2 = ih->currentheight - 1;
}
else if (ih->data->position == IEXPANDER_RIGHT)
{
x1 = ih->currentwidth-1 - bar_size;
x2 = ih->currentwidth-1;
y1 = 0;
y2 = ih->currentheight - 1;
}
else if (ih->data->position == IEXPANDER_BOTTOM)
{
x1 = 0;
x2 = ih->currentwidth - 1;
y1 = ih->currentheight-1 - bar_size;
y2 = ih->currentheight-1;
}
else /* IEXPANDER_TOP */
{
x1 = 0;
x2 = ih->currentwidth - 1;
y1 = 0;
y2 = bar_size;
}
/* draw bar box */
iupGLDrawBox(ih, x1, x2, y1, y2, bgcolor, 1);
if (ih->data->position == IEXPANDER_TOP && (title || image || ih->data->extra_buttons != 0))
{
/* left align image/handler+title */
int txt_offset = IEXPAND_HANDLE_SIZE;
if (image)
{
int active = IupGetInt(ih, "ACTIVE");
int img_width = 0, img_height = 0;
int y_offset = 0;
if (ih->data->state != IEXPANDER_CLOSE)
{
char* imopen = iupAttribGetStr(ih, "IMAGEOPEN");
if (imopen) image = imopen;
if (highlight)
{
char* imhighlight = iupAttribGetStr(ih, "IMAGEOPENHIGHLIGHT");
if (imhighlight) image = imhighlight;
}
}
else if (highlight)
{
char* imhighlight = iupAttribGetStr(ih, "IMAGEHIGHLIGHT");
if (imhighlight) image = imhighlight;
}
iupGLImageGetInfo(image, &img_width, &img_height, NULL);
if (bar_size > img_height)
y_offset = (bar_size - img_height) / 2;
iupGLDrawImage(ih, IEXPAND_BACK_MARGIN, y_offset, image, !active);
txt_offset = iupMAX(txt_offset, img_width);
}
else
{
int y_offset = 0;
if (bar_size > IEXPAND_HANDLE_SIZE + 2 * IEXPAND_BACK_MARGIN)
y_offset = (bar_size - IEXPAND_HANDLE_SIZE - 2 * IEXPAND_BACK_MARGIN) / 2;
if (pressed)
{
char* presscolor = iupAttribGetStr(ih, "PRESSCOLOR");
if (presscolor)
fgcolor = presscolor;
}
else if (highlight)
{
char* hlcolor = iupAttribGetStr(ih, "HIGHCOLOR");
if (hlcolor)
fgcolor = hlcolor;
}
if (ih->data->state == IEXPANDER_CLOSE)
iGLExpanderDrawSmallArrow(ih, fgcolor, active, IEXPANDER_RIGHT, y_offset);
else
iGLExpanderDrawSmallArrow(ih, fgcolor, active, IEXPANDER_BOTTOM, y_offset);
}
if (title)
{
int height;
iupGLFontGetMultiLineStringSize(ih, title, NULL, &height);
iupGLDrawText(ih, txt_offset, (bar_size - height) / 2 - 1, title, fgcolor, active);
}
if (ih->data->extra_buttons != 0)
{
/* right align extra buttons */
int y = IEXPAND_SPACING + IEXPAND_BACK_MARGIN;
int height = bar_size - 2 * (IEXPAND_SPACING + IEXPAND_BACK_MARGIN);
iGLExpanderDrawExtraButton(ih, 1, ih->currentwidth - (IEXPAND_BUTTON_SIZE + IEXPAND_SPACING) - IEXPAND_BACK_MARGIN, y, height);
if (ih->data->extra_buttons > 1)
iGLExpanderDrawExtraButton(ih, 2, ih->currentwidth - 2 * (IEXPAND_BUTTON_SIZE + IEXPAND_SPACING) - IEXPAND_BACK_MARGIN, y, height);
if (ih->data->extra_buttons == 3)
iGLExpanderDrawExtraButton(ih, 3, ih->currentwidth - 3 * (IEXPAND_BUTTON_SIZE + IEXPAND_SPACING) - IEXPAND_BACK_MARGIN, y, height);
}
}
else
{
/* center align the handler */
int x = x1,
y = y1,
width = x2 - x1 + 1,
height = y2 - y1 + 1;
if (pressed)
{
char* presscolor = iupAttribGetStr(ih, "PRESSCOLOR");
if (presscolor)
fgcolor = presscolor;
}
else if (highlight)
{
char* hlcolor = iupAttribGetStr(ih, "HIGHCOLOR");
if (hlcolor)
fgcolor = hlcolor;
}
switch (ih->data->position)
{
case IEXPANDER_LEFT:
x += 0;
y += (height - IEXPAND_HANDLE_SIZE) / 2;
if (ih->data->state == IEXPANDER_CLOSE)
iGLExpanderDrawArrow(ih, x, y, fgcolor, active, IEXPANDER_RIGHT);
else
iGLExpanderDrawArrow(ih, x, y, fgcolor, active, IEXPANDER_LEFT);
break;
case IEXPANDER_RIGHT:
x += 0;
y += (height - IEXPAND_HANDLE_SIZE) / 2;
if (ih->data->state == IEXPANDER_CLOSE)
iGLExpanderDrawArrow(ih, x, y, fgcolor, active, IEXPANDER_LEFT);
else
iGLExpanderDrawArrow(ih, x, y, fgcolor, active, IEXPANDER_RIGHT);
break;
case IEXPANDER_TOP:
x += (width - IEXPAND_HANDLE_SIZE) / 2;
y += 0;
if (ih->data->state == IEXPANDER_CLOSE)
iGLExpanderDrawArrow(ih, x, y, fgcolor, active, IEXPANDER_BOTTOM);
else
iGLExpanderDrawArrow(ih, x, y, fgcolor, active, IEXPANDER_TOP);
break;
case IEXPANDER_BOTTOM:
x += (width - IEXPAND_HANDLE_SIZE) / 2;
y += 0;
if (ih->data->state == IEXPANDER_CLOSE)
iGLExpanderDrawArrow(ih, x, y, fgcolor, active, IEXPANDER_TOP);
else
iGLExpanderDrawArrow(ih, x, y, fgcolor, active, IEXPANDER_BOTTOM);
break;
}
}
return IUP_DEFAULT;
}
