From 16e9630b79f0a7a90c6cedb6781175bb8b337dc1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Sat, 29 Apr 2017 12:11:08 +0200 Subject: New upstream version 4.3.0 --- app/wlib/gtklib/lines.c | 150 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 150 insertions(+) create mode 100644 app/wlib/gtklib/lines.c (limited to 'app/wlib/gtklib/lines.c') diff --git a/app/wlib/gtklib/lines.c b/app/wlib/gtklib/lines.c new file mode 100644 index 0000000..bd787a6 --- /dev/null +++ b/app/wlib/gtklib/lines.c @@ -0,0 +1,150 @@ +/** \file lines.c + * Window for drawing simple line drawing + */ + +/* XTrkCad - Model Railroad CAD + * Copyright (C) 2005 Dave Bullis, + * 2016 Martin Fischer + * + * 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 +#include +#include + +#include "gtkint.h" + +/* + ***************************************************************************** + * + * Lines + * + ***************************************************************************** + */ + +struct wLine_t { + WOBJ_COMMON + wBool_t visible; + int count; + wLines_t * lines; +}; + +/** + * Perform redrawing of the lines window + * + * \param b IN window handle + * \return + */ + +static void linesRepaint(wControl_p b) +{ + wLine_p bl = (wLine_p)(b); + int i; + wWin_p win = (wWin_p)(bl->parent); + GdkDrawable * window; + cairo_t *cr; + + if (!bl->visible) { + return; + } + + window = gtk_widget_get_window(win->widget); + cr = gdk_cairo_create(window); + cairo_set_source_rgb(cr, 0, 0, 0); + cairo_set_line_cap(cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join(cr, CAIRO_LINE_JOIN_MITER); + + for (i=0; icount; i++) { + cairo_set_line_width(cr, bl->lines[i].width); + cairo_move_to(cr, bl->lines[i].x0, bl->lines[i].y0); + cairo_line_to(cr, bl->lines[i].x1, bl->lines[i].y1); + cairo_stroke(cr); + } + + cairo_destroy(cr); +} + +/** + * Set visibility state of lines window + * + * \param bl IN window + * \param visible IN new visibility state + * \return + */ + +void wlibLineShow( + wLine_p bl, + wBool_t visible) +{ + bl->visible = visible; +} + +/** + * Create a window consisting of several lines + * + * \param parent IN parent window + * \param labelStr IN label - unused + * \param count IN number of lines + * \param lines IN list of line coordinates + * \return handle of new window + */ + +wLine_p wLineCreate( + wWin_p parent, + const char * labelStr, + int count, + wLines_t * lines) +{ + wLine_p linesWindow; + int i; + linesWindow = (wLine_p)wlibAlloc(parent, B_LINES, 0, 0, labelStr, + sizeof *linesWindow, NULL); + linesWindow->visible = TRUE; + linesWindow->count = count; + linesWindow->lines = lines; + linesWindow->w = linesWindow->h = 0; + + for (i=0; i linesWindow->w) { + linesWindow->w = lines[i].x0; + } + + if (lines[i].y0 > linesWindow->h) { + linesWindow->h = lines[i].y0; + } + + if (lines[i].x1 > linesWindow->w) { + linesWindow->w = lines[i].x1; + } + + if (lines[i].y1 > linesWindow->h) { + linesWindow->h = lines[i].y1; + } + } + + linesWindow->repaintProc = linesRepaint; + wlibAddButton((wControl_p)linesWindow); + linesWindow->widget = NULL; + return linesWindow; +} -- cgit v1.2.3