Pileus Git - grits/blob - src/plugins/test.c

   1 /*
   2  * Copyright (C) 2009-2011 Andy Spencer <andy753421@gmail.com>
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 /**
  19  * SECTION:test
  20  * @short_description: Testing plugin
  21  *
  22  * #GritsPluginTest is a testing plugin used during development and as an example
  23  * for how to create a plugin.
  24  */
  25
  26 #include <string.h>
  27
  28 #include <gdk/gdkkeysyms.h>
  29 #include <grits.h>
  30
  31 #include "test.h"
  32
  33 static void on_poly_enter(GritsPoly *poly)
  34 {
  35         g_debug("on_poly_enter");
  36         poly->color[3] = 0.50;
  37         grits_object_queue_draw(GRITS_OBJECT(poly));
  38 }
  39
  40 static void on_poly_leave(GritsPoly *poly)
  41 {
  42         g_debug("on_poly_leave");
  43         poly->color[3] = 0.2;
  44         grits_object_queue_draw(GRITS_OBJECT(poly));
  45 }
  46
  47 static void on_poly_button(GritsPoly *poly, GdkEventButton *event)
  48 {
  49         g_debug("on_poly_button");
  50         static int i = 0;
  51         gdouble colors[][3] = {
  52                 {1, 0, 0}, {1, 1, 0},
  53                 {0, 1, 0}, {0, 1, 1},
  54                 {0, 0, 1}, {1, 0, 1},
  55         };
  56         int idx = i++ % G_N_ELEMENTS(colors);
  57         memcpy(poly->color, colors[idx], sizeof(gdouble)*3);
  58         grits_object_queue_draw(GRITS_OBJECT(poly));
  59 }
  60
  61 static void on_poly_key(GritsPoly *poly, GdkEventKey *event)
  62 {
  63         g_debug("on_poly_key");
  64         gdouble colors[0xff][3] = {
  65                 [GDK_r] {1, 0, 0},
  66                 [GDK_g] {0, 1, 0},
  67                 [GDK_b] {0, 0, 1},
  68         };
  69         int key = event->keyval;
  70         memcpy(poly->color, colors[key], sizeof(gdouble)*3);
  71         grits_object_queue_draw(GRITS_OBJECT(poly));
  72 }
  73
  74 static void on_marker_enter(GritsMarker *marker, GritsViewer *viewer)
  75 {
  76         g_debug("on_marker_enter");
  77         GdkWindow *window = gtk_widget_get_window(GTK_WIDGET(viewer));
  78         GdkCursor *cursor = gdk_cursor_new(GDK_HAND1);
  79         gdk_window_set_cursor(window, cursor);
  80 }
  81
  82 static void on_marker_leave(GritsMarker *marker, GritsViewer *viewer)
  83 {
  84         g_debug("on_marker_leave");
  85         GdkWindow *window = gtk_widget_get_window(GTK_WIDGET(viewer));
  86         gdk_window_set_cursor(window, NULL);
  87 }
  88
  89 static void on_marker_button(GritsMarker *marker, GdkEventButton *event)
  90 {
  91         g_debug("on_marker_button");
  92         GtkWidget *dialog = gtk_dialog_new_with_buttons(
  93                         "St. Charles!", NULL, 0, GTK_STOCK_OK, GTK_RESPONSE_OK, NULL);
  94         gtk_dialog_run(GTK_DIALOG(dialog));
  95 }
  96
  97 /***********
  98  * Methods *
  99  ***********/
 100 void _load_marker(GritsPluginTest *test)
 101 {
 102         test->marker = grits_marker_new("St. Charles");
 103         GRITS_OBJECT(test->marker)->center.lat  =  38.841847;
 104         GRITS_OBJECT(test->marker)->center.lon  = -90.491982;
 105         GRITS_OBJECT(test->marker)->center.elev =   0.0;
 106         GRITS_OBJECT(test->marker)->lod         = EARTH_R;
 107         grits_viewer_add(test->viewer, GRITS_OBJECT(test->marker), GRITS_LEVEL_OVERLAY, FALSE);
 108         /* These do not work on marker yet */
 109         //g_signal_connect(test->marker, "enter",        G_CALLBACK(on_marker_enter),  NULL);
 110         //g_signal_connect(test->marker, "leave",        G_CALLBACK(on_marker_leave),  NULL);
 111         //g_signal_connect(test->marker, "button-press", G_CALLBACK(on_marker_button), NULL);
 112         (void)on_marker_enter;
 113         (void)on_marker_leave;
 114         (void)on_marker_button;
 115 }
 116
 117 void _load_poly(GritsPluginTest *test)
 118 {
 119         test->poly = grits_poly_parse("35,-90 35,-110 45,-110 45,-90", "\t", " ", ",");
 120         test->poly->color[0]  = test->poly->border[0] = 1;
 121         test->poly->color[1]  = test->poly->border[1] = 0;
 122         test->poly->color[2]  = test->poly->border[2] = 0;
 123         test->poly->color[3]  = 0.2;
 124         test->poly->border[3] = 1;
 125         test->poly->width     = 6;
 126         grits_viewer_add(test->viewer, GRITS_OBJECT(test->poly),  GRITS_LEVEL_OVERLAY, TRUE);
 127         g_signal_connect(test->poly, "enter",        G_CALLBACK(on_poly_enter),  NULL);
 128         g_signal_connect(test->poly, "leave",        G_CALLBACK(on_poly_leave),  NULL);
 129         g_signal_connect(test->poly, "button-press", G_CALLBACK(on_poly_button), NULL);
 130         g_signal_connect(test->poly, "key-press",    G_CALLBACK(on_poly_key),    NULL);
 131 }
 132
 133 void _load_line(GritsPluginTest *test)
 134 {
 135         test->line = grits_line_parse("30,-80 30,-120 50,-120 50,-80", "\t", " ", ",");
 136         test->line->color[0]  = 1;
 137         test->line->color[1]  = 0;
 138         test->line->color[2]  = 0;
 139         test->line->color[3]  = 1;
 140         test->line->width     = 8;
 141         grits_viewer_add(test->viewer, GRITS_OBJECT(test->line),  GRITS_LEVEL_OVERLAY, TRUE);
 142         g_signal_connect(test->line, "enter",        G_CALLBACK(on_poly_enter),  NULL);
 143         g_signal_connect(test->line, "leave",        G_CALLBACK(on_poly_leave),  NULL);
 144         g_signal_connect(test->line, "button-press", G_CALLBACK(on_poly_button), NULL);
 145         g_signal_connect(test->line, "key-press",    G_CALLBACK(on_poly_key),    NULL);
 146 }
 147
 148 /**
 149  * grits_plugin_test_new:
 150  * @viewer: the #GritsViewer to use for drawing
 151  *
 152  * Create a new instance of the testing plugin.
 153  *
 154  * Returns: the new #GritsPluginTest
 155  */
 156 GritsPluginTest *grits_plugin_test_new(GritsViewer *viewer)
 157 {
 158         g_debug("GritsPluginTest: new");
 159         GritsPluginTest *test = g_object_new(GRITS_TYPE_PLUGIN_TEST, NULL);
 160         test->viewer = g_object_ref(viewer);
 161         _load_marker(test);
 162         _load_poly(test);
 163         _load_line(test);
 164         return test;
 165 }
 166
 167
 168 /****************
 169  * GObject code *
 170  ****************/
 171 /* Plugin init */
 172 static void grits_plugin_test_plugin_init(GritsPluginInterface *iface);
 173 G_DEFINE_TYPE_WITH_CODE(GritsPluginTest, grits_plugin_test, G_TYPE_OBJECT,
 174                 G_IMPLEMENT_INTERFACE(GRITS_TYPE_PLUGIN,
 175                         grits_plugin_test_plugin_init));
 176 static void grits_plugin_test_plugin_init(GritsPluginInterface *iface)
 177 {
 178         g_debug("GritsPluginTest: plugin_init");
 179         /* Add methods to the interface */
 180 }
 181 /* Class/Object init */
 182 static void grits_plugin_test_init(GritsPluginTest *test)
 183 {
 184         g_debug("GritsPluginTest: init");
 185 }
 186 static void grits_plugin_test_dispose(GObject *_test)
 187 {
 188         g_debug("GritsPluginTest: dispose");
 189         GritsPluginTest *test = GRITS_PLUGIN_TEST(_test);
 190         if (test->viewer) {
 191                 grits_viewer_remove(test->viewer, GRITS_OBJECT(test->marker));
 192                 g_object_unref(test->viewer);
 193                 test->viewer = NULL;
 194         }
 195         G_OBJECT_CLASS(grits_plugin_test_parent_class)->dispose(_test);
 196 }
 197 static void grits_plugin_test_class_init(GritsPluginTestClass *klass)
 198 {
 199         g_debug("GritsPluginTest: class_init");
 200         GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
 201         gobject_class->dispose = grits_plugin_test_dispose;
 202 }