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/* Copyright 2011 Pierre Ossman <ossman@cendio.se> for Cendio AB
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __FLTK_LAYOUT_H__
#define __FLTK_LAYOUT_H__
#include <FL/Fl_Choice.H>
#include <FL/fl_draw.H>
/* Calculates the width of a string as printed by FLTK (pixels) */
static inline int gui_str_len(const char *str)
{
float len;
fl_font(FL_HELVETICA, FL_NORMAL_SIZE);
len = fl_width(str);
return (int)(len + 0.5f);
}
/* Adjusts an Fl_Choice so that all options are visible */
static inline void fltk_adjust_choice(Fl_Choice *choice)
{
int option_len;
option_len = 0;
for (int i = 0; i < choice->size(); i++)
option_len = std::max(option_len, gui_str_len(choice->text(i)));
choice->size(option_len + 30, choice->h());
}
/**** MARGINS ****/
#define OUTER_MARGIN 15
#define INNER_MARGIN 10
/* Tighter grouping of related fields */
#define TIGHT_MARGIN 5
/**** ADJUSTMENTS ****/
#define INDENT 10
/**** FLTK WIDGETS ****/
/* Fl_Input */
#define INPUT_LABEL_OFFSET FL_NORMAL_SIZE
#define INPUT_HEIGHT 25
/* Fl_Button */
#define BUTTON_WIDTH 115
#define BUTTON_HEIGHT 27
/* Fl_Round_Button (padding + focus draw bug) */
#define RADIO_MIN_WIDTH (FL_NORMAL_SIZE + 4 + 1)
#define RADIO_HEIGHT (FL_NORMAL_SIZE + 4 + 1)
/* Fl_Check_Button */
#define CHECK_MIN_WIDTH RADIO_MIN_WIDTH
#define CHECK_HEIGHT RADIO_HEIGHT
/* Fl_Choice */
#define CHOICE_HEIGHT INPUT_HEIGHT
/* Fl_Group */
#define GROUP_LABEL_OFFSET FL_NORMAL_SIZE
/**** HELPERS FOR DYNAMIC TEXT ****/
/* Extra space to add after any text line */
#define TEXT_PADDING 2
/* Use this when the text extends to the right (e.g. checkboxes) */
#define LBLRIGHT(x, y, w, h, str) \
(x), (y), (w) + gui_str_len(str) + TEXT_PADDING, (h), (str)
/* Use this when the space for the label is taken from the left (e.g. input) */
#define LBLLEFT(x, y, w, h, str) \
(x) + (gui_str_len(str) + TEXT_PADDING), (y), \
(w) - (gui_str_len(str) + TEXT_PADDING), (h), (str)
#endif
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