gschem/src/o_pin.c

   1 /* gEDA - GPL Electronic Design Automation
   2  * gschem - gEDA Schematic Capture
   3  * Copyright (C) 1998-2010 Ales Hvezda
   4  * Copyright (C) 1998-2020 gEDA Contributors (see ChangeLog for details)
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20 #include <config.h>
  21
  22 #include <stdio.h>
  23 #include <math.h>
  24
  25 #include "gschem.h"
  26
  27 /*! \todo Finish function documentation!!!
  28  *  \brief
  29  *  \par Function Description
  30  *
  31  */
  32 void o_pin_start(GschemToplevel *w_current, int w_x, int w_y)
  33 {
  34   i_action_start (w_current);
  35
  36   w_current->first_wx = w_current->second_wx = w_x;
  37   w_current->first_wy = w_current->second_wy = w_y;
  38 }
  39
  40 /*! \todo Finish function documentation!!!
  41  *  \brief
  42  *  \par Function Description
  43  *
  44  */
  45 void o_pin_end(GschemToplevel *w_current, int x, int y)
  46 {
  47   OBJECT *new_obj;
  48
  49   g_assert( w_current->inside_action != 0 );
  50
  51   GschemPageView *page_view = gschem_toplevel_get_current_page_view (w_current);
  52   g_return_if_fail (page_view != NULL);
  53
  54   PAGE *page = gschem_page_view_get_page (page_view);
  55   g_return_if_fail (page != NULL);
  56
  57   TOPLEVEL *toplevel = page->toplevel;
  58   g_return_if_fail (toplevel != NULL);
  59
  60   /* undraw rubber line */
  61   /* o_pin_invalidate_rubber (w_current); */
  62   w_current->rubber_visible = 0;
  63
  64   new_obj = o_pin_new(toplevel, PIN_COLOR,
  65                       w_current->first_wx, w_current->first_wy,
  66                       w_current->second_wx, w_current->second_wy,
  67                       PIN_TYPE_NET, 0);
  68   s_page_append (toplevel, page, new_obj);
  69
  70   /* Call add-objects-hook */
  71   g_run_hook_object (w_current, "%add-objects-hook", new_obj);
  72
  73   gschem_toplevel_page_content_changed (w_current, page);
  74   o_undo_savestate (w_current, page, UNDO_ALL, _("Add Pin"));
  75   i_action_stop (w_current);
  76 }
  77
  78 /*! \todo Finish function documentation!!!
  79  *  \brief
  80  *  \par Function Description
  81  *
  82  */
  83 void o_pin_motion (GschemToplevel *w_current, int w_x, int w_y)
  84 {
  85   g_assert( w_current->inside_action != 0 );
  86
  87   /* erase the rubberpin if it is visible */
  88   if (w_current->rubber_visible)
  89     o_pin_invalidate_rubber (w_current);
  90
  91   w_current->second_wx = w_x;
  92   w_current->second_wy = w_y;
  93
  94   /* decide whether to draw the pin vertical or horizontal */
  95   if (abs(w_current->second_wx - w_current->first_wx)
  96       >= abs(w_current->second_wy - w_current->first_wy)) {
  97     w_current->second_wy = w_current->first_wy;
  98   } else {
  99     w_current->second_wx = w_current->first_wx;
 100   }
 101
 102   o_pin_invalidate_rubber (w_current);
 103   w_current->rubber_visible = 1;
 104 }
 105
 106 /*! \todo Finish function documentation!!!
 107  *  \brief
 108  *  \par Function Description
 109  */
 110 void o_pin_invalidate_rubber (GschemToplevel *w_current)
 111 {
 112   g_return_if_fail (w_current != NULL);
 113
 114   GschemPageView *page_view = gschem_toplevel_get_current_page_view (w_current);
 115
 116   gschem_page_view_invalidate_world_rect (page_view,
 117                                           w_current->first_wx,
 118                                           w_current->first_wy,
 119                                           w_current->second_wx,
 120                                           w_current->second_wy);
 121 }
 122
 123
 124 /*! \todo Finish function documentation!!!
 125  *  \brief
 126  *  \par Function Description
 127  *
 128  */
 129 void o_pin_draw_rubber (GschemToplevel *w_current, EdaRenderer *renderer)
 130 {
 131   double wwidth = PIN_WIDTH_NET;
 132   cairo_t *cr = eda_renderer_get_cairo_context (renderer);
 133   GArray *color_map = eda_renderer_get_color_map (renderer);
 134   int flags = eda_renderer_get_cairo_flags (renderer);
 135
 136   eda_cairo_line (cr, flags, END_NONE, wwidth,
 137                   w_current->first_wx, w_current->first_wy,
 138                   w_current->second_wx, w_current->second_wy);
 139
 140   eda_cairo_set_source_color (cr, SELECT_COLOR, color_map);
 141   eda_cairo_stroke (cr, flags, TYPE_SOLID, END_NONE, wwidth, -1, -1);
 142 }