gschem/include/gschem_page_view.h

   1 /* gEDA - GPL Electronic Design Automation
   2  * gschem - gEDA Schematic Capture
   3  * Copyright (C) 1998-2010 Ales Hvezda
   4  * Copyright (C) 1998-2019 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 /*!
  21  * \file gschem_page_view.h
  22  *
  23  * \brief A widget for viewing a schematic page
  24  */
  25
  26 #define GSCHEM_TYPE_PAGE_VIEW           (gschem_page_view_get_type())
  27 #define GSCHEM_PAGE_VIEW(obj)           (G_TYPE_CHECK_INSTANCE_CAST ((obj), GSCHEM_TYPE_PAGE_VIEW, GschemPageView))
  28 #define GSCHEM_PAGE_VIEW_CLASS(klass)   (G_TYPE_CHECK_CLASS_CAST ((klass),  GSCHEM_TYPE_PAGE_VIEW, GschemPageViewClass))
  29 #define GSCHEM_IS_PAGE_VIEW(obj)        (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GSCHEM_TYPE_PAGE_VIEW))
  30 #define GSCHEM_PAGE_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GSCHEM_TYPE_PAGE_VIEW, GschemPageViewClass))
  31
  32 typedef struct _GschemPageViewClass GschemPageViewClass;
  33 typedef struct _GschemPageView GschemPageView;
  34
  35 struct _GschemPageViewClass
  36 {
  37   GtkWindowClass parent_class;
  38 };
  39
  40 struct _GschemPageView
  41 {
  42   GtkWindow parent;
  43
  44   GtkAllocation previous_allocation;
  45
  46   GtkAdjustment *hadjustment;
  47   GtkAdjustment *vadjustment;
  48
  49   GHashTable *geometry_table;
  50
  51   gboolean configured;
  52
  53   gboolean doing_pan;  /* mouse pan status flag */
  54   int pan_x;
  55   int pan_y;
  56   int throttle;
  57
  58   PAGE *page;
  59 };
  60
  61
  62
  63 GtkAdjustment*
  64 gschem_page_view_get_hadjustment (GschemPageView *view);
  65
  66 PAGE*
  67 gschem_page_view_get_page (GschemPageView *view);
  68
  69 GschemPageGeometry*
  70 gschem_page_view_get_page_geometry (GschemPageView *view);
  71
  72 GType
  73 gschem_page_view_get_type ();
  74
  75 GtkAdjustment*
  76 gschem_page_view_get_vadjustment (GschemPageView *view);
  77
  78 void
  79 gschem_page_view_invalidate_all (GschemPageView *view);
  80
  81 void
  82 gschem_page_view_invalidate_object (GschemPageView *view, OBJECT *object);
  83
  84 void
  85 gschem_page_view_invalidate_screen_rect (GschemPageView *view, int left, int top, int right, int bottom);
  86
  87 void
  88 gschem_page_view_invalidate_world_rect (GschemPageView *view, int left, int top, int right, int bottom);
  89
  90 GschemPageView*
  91 gschem_page_view_new_with_page (PAGE *page);
  92
  93 void
  94 gschem_page_view_pan_general(GschemPageView *page_view, int x, int y, double relativ_zoom_factor);
  95
  96 void
  97 gschem_page_view_pan(GschemPageView *page_view, int x, int y);
  98
  99 void
 100 gschem_page_view_pan_mouse(GschemPageView *page_view, int diff_x, int diff_y);
 101
 102 void
 103 gschem_page_view_pan_start(GschemPageView *page_view, int x, int y);
 104
 105 void
 106 gschem_page_view_pan_motion (GschemPageView *view, int mousepan_gain, int x, int y);
 107
 108 gboolean
 109 gschem_page_view_pan_end(GschemPageView *page_view);
 110
 111 void
 112 gschem_page_view_redraw (GschemPageView *view, GdkEventExpose *event, GschemToplevel *w_current);
 113
 114 int
 115 gschem_page_view_SCREENabs(GschemPageView *view, int val);
 116
 117 void
 118 gschem_page_view_SCREENtoWORLD (GschemPageView *view, int mx, int my, int *x, int *y);
 119
 120 void
 121 gschem_page_view_set_hadjustment (GschemPageView *view, GtkAdjustment *hadjustment);
 122
 123 void
 124 gschem_page_view_set_page (GschemPageView *view, PAGE *page);
 125
 126 void
 127 gschem_page_view_set_vadjustment (GschemPageView *view, GtkAdjustment *vadjustment);
 128
 129 int
 130 gschem_page_view_WORLDabs(GschemPageView *view, int val);
 131
 132 void
 133 gschem_page_view_WORLDtoSCREEN (GschemPageView *view, int x, int y, int *px, int *py);
 134
 135 void
 136 gschem_page_view_zoom_extents (GschemPageView *view, const GList *list);
 137
 138 OBJECT*
 139 gschem_page_get_page_object(OBJECT *object);
 140
 141 void
 142 gschem_page_view_zoom_text (GschemPageView *view, OBJECT *object, gboolean zoom_hidden);
 143
 144 void
 145 gschem_page_view_update_scroll_adjustments (GschemPageView *view);