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/** \file boxes.c
* Window for drawing a rectangle
*/
/* XTrkCad - Model Railroad CAD
* Copyright (C) 2005 Dave Bullis,
* 2016 Martin Fischer <m_fischer@sf.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*
*/
#define GTK_DISABLE_SINGLE_INCLUDES
#define GDK_DISABLE_DEPRECATED
#define GTK_DISABLE_DEPRECATED
#define GSEAL_ENABLE
#include <cairo.h>
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include "gtkint.h"
struct wBox_t {
WOBJ_COMMON
wBoxType_e boxTyp;
};
#define B (1)
#define W (2)
#define SETCOLOR(ST, S, N ) \
if (colors[ST][S][N] == B ) { \
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); \
} else { \
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); \
}
/**
* Set size of box window
*
* \param b IN window handle
* \param w IN new width
* \param h IN new height
* \return
*
*/
void wBoxSetSize(
wBox_p b,
wWinPix_t w,
wWinPix_t h)
{
b->w = w;
b->h = h;
}
/**
* Draw the box
* \todo too many strokes, remove and test
*
* \param win IN window handle
* \param style IN frame style
* \param x IN x position
* \param y IN y position
* \param w IN width
* \param h IN height
* \return
*/
void wlibDrawBox(
wWin_p win,
wBoxType_e style,
wWinPix_t x,
wWinPix_t y,
wWinPix_t w,
wWinPix_t h)
{
wWinPix_t x0, y0, x1, y1;
GdkDrawable * window;
cairo_t *cr;
static char colors[8][4][2] = {
{ /* ThinB */ {B,0}, {B,0}, {B,0}, {B,0} },
{ /* ThinW */ {W,0}, {W,0}, {W,0}, {W,0} },
{ /* AboveW */ {W,0}, {W,0}, {B,0}, {B,0} },
{ /* BelowW */ {B,0}, {B,0}, {W,0}, {W,0} },
{ /* ThickB */ {B,B}, {B,B}, {B,B}, {B,B} },
{ /* ThickW */ {W,W}, {W,W}, {W,W}, {W,W} },
{ /* RidgeW */ {W,B}, {W,B}, {B,W}, {B,W} },
{ /* TroughW*/ {B,W}, {B,W}, {W,B}, {W,B} }
};
window = gtk_widget_get_window(win->widget);
cr = gdk_cairo_create(window);
cairo_set_line_cap(cr, CAIRO_LINE_CAP_BUTT);
cairo_set_line_join(cr, CAIRO_LINE_JOIN_MITER);
cairo_set_line_width(cr, 1.0);
x0 = x;
x1 = x+w;
y0 = y;
y1 = y+h;
SETCOLOR(style, 0, 0);
cairo_move_to(cr, x0, y0);
cairo_line_to(cr, x0, y1);
cairo_stroke_preserve(cr);
SETCOLOR(style, 1, 0);
cairo_move_to(cr, x0, y0);
cairo_line_to(cr, x1, y0);
cairo_stroke_preserve(cr);
SETCOLOR(style, 2, 0);
cairo_move_to(cr, x1, y1);
cairo_line_to(cr, x0+1, y1);
cairo_stroke_preserve(cr);
SETCOLOR(style, 3, 0);
cairo_move_to(cr, x1, y1-1);
cairo_line_to(cr, x1, y0+1);
cairo_stroke_preserve(cr);
if (style < wBoxThickB) {
cairo_destroy(cr);
return;
}
x0++;
y0++;
x1--;
y1--;
SETCOLOR(style, 0, 1);
cairo_move_to(cr, x0, y0);
cairo_line_to(cr, x0, y1);
cairo_stroke_preserve(cr);
SETCOLOR(style, 1, 1);
cairo_move_to(cr, x0+1, y0);
cairo_line_to(cr, x1, y0);
cairo_stroke_preserve(cr);
SETCOLOR(style, 2, 1);
cairo_move_to(cr, x1, y1);
cairo_line_to(cr, x0+1, y1);
cairo_stroke_preserve(cr);
SETCOLOR(style, 3, 1);
cairo_move_to(cr, x1, y1-1);
cairo_line_to(cr, x1, y0+1);
cairo_stroke_preserve(cr);
cairo_destroy(cr);
}
/**
* Force repainting of box window
*
* \param b IN box window
* \return
*/
static void boxRepaint(wControl_p b)
{
wBox_p bb = (wBox_p)(b);
wWin_p win = bb->parent;
wlibDrawBox(win, bb->boxTyp, bb->realX, bb->realY, bb->w, bb->h);
}
/**
* Create new box
*
* \param parent IN parent window
* \param bx IN x position
* \param by IN y position
* \param labelStr IN label text (ignored)
* \param boxTyp IN style
* \param bw IN x width
* \param by IN y width
* \return window handle for newly created box
*/
wBox_p wBoxCreate(
wWin_p parent,
wWinPix_t bx,
wWinPix_t by,
const char * labelStr,
wBoxType_e boxTyp,
wWinPix_t bw,
wWinPix_t bh)
{
wBox_p b;
b = (wBox_p)wlibAlloc(parent, B_BOX, bx, by, labelStr, sizeof *b, NULL);
wlibComputePos((wControl_p)b);
b->boxTyp = boxTyp;
b->w = bw;
b->h = bh;
b->repaintProc = boxRepaint;
wlibAddButton((wControl_p)b);
return b;
}
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