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

   1 /*
   2  * Copyright (C) 2009-2010 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 <GL/gl.h>
  29 #include <GL/glu.h>
  30
  31 #include <gdk/gdkkeysyms.h>
  32 #include <grits.h>
  33
  34 #include "test.h"
  35
  36 static void on_poly_enter(GritsPoly *poly)
  37 {
  38         g_debug("on_poly_enter");
  39         poly->color[3] = 0.50;
  40         grits_object_queue_draw(GRITS_OBJECT(poly));
  41 }
  42
  43 static void on_poly_leave(GritsPoly *poly)
  44 {
  45         g_debug("on_poly_leave");
  46         poly->color[3] = 0.2;
  47         grits_object_queue_draw(GRITS_OBJECT(poly));
  48 }
  49
  50 static void on_poly_button(GritsPoly *poly, GdkEventButton *event)
  51 {
  52         g_debug("on_poly_button");
  53         static int i = 0;
  54         gdouble colors[][3] = {
  55                 {1, 0, 0}, {1, 1, 0},
  56                 {0, 1, 0}, {0, 1, 1},
  57                 {0, 0, 1}, {1, 0, 1},
  58         };
  59         int idx = i++ % G_N_ELEMENTS(colors);
  60         memcpy(poly->color, colors[idx], sizeof(gdouble)*3);
  61         grits_object_queue_draw(GRITS_OBJECT(poly));
  62 }
  63
  64 static void on_poly_key(GritsPoly *poly, GdkEventKey *event)
  65 {
  66         g_debug("on_poly_key");
  67         gdouble colors[0xff][3] = {
  68                 [GDK_r] {1, 0, 0},
  69                 [GDK_g] {0, 1, 0},
  70                 [GDK_b] {0, 0, 1},
  71         };
  72         int key = event->keyval;
  73         memcpy(poly->color, colors[key], sizeof(gdouble)*3);
  74         grits_object_queue_draw(GRITS_OBJECT(poly));
  75 }
  76
  77 static void on_marker_enter(GritsMarker *marker, GritsViewer *viewer)
  78 {
  79         g_debug("on_marker_enter");
  80         GdkWindow *window = gtk_widget_get_window(GTK_WIDGET(viewer));
  81         GdkCursor *cursor = gdk_cursor_new(GDK_HAND1);
  82         gdk_window_set_cursor(window, cursor);
  83 }
  84
  85 static void on_marker_leave(GritsMarker *marker, GritsViewer *viewer)
  86 {
  87         g_debug("on_marker_leave");
  88         GdkWindow *window = gtk_widget_get_window(GTK_WIDGET(viewer));
  89         gdk_window_set_cursor(window, NULL);
  90 }
  91
  92 static void on_marker_button(GritsMarker *marker, GdkEventButton *event)
  93 {
  94         g_debug("on_marker_button");
  95         GtkWidget *dialog = gtk_dialog_new_with_buttons(
  96                         "St. Charles!", NULL, 0, GTK_STOCK_OK, GTK_RESPONSE_OK, NULL);
  97         gtk_dialog_run(GTK_DIALOG(dialog));
  98 }
  99
 100 /***********
 101  * Methods *
 102  ***********/
 103 void _load_marker(GritsPluginTest *test)
 104 {
 105         test->marker = grits_marker_new("St. Charles");
 106         GRITS_OBJECT(test->marker)->center.lat  =  38.841847;
 107         GRITS_OBJECT(test->marker)->center.lon  = -90.491982;
 108         GRITS_OBJECT(test->marker)->center.elev =   0.0;
 109         GRITS_OBJECT(test->marker)->lod         = EARTH_R;
 110         grits_viewer_add(test->viewer, GRITS_OBJECT(test->marker), GRITS_LEVEL_OVERLAY, FALSE);
 111         /* These do not work on marker yet */
 112         //g_signal_connect(test->marker, "enter",        G_CALLBACK(on_marker_enter),  NULL);
 113         //g_signal_connect(test->marker, "leave",        G_CALLBACK(on_marker_leave),  NULL);
 114         //g_signal_connect(test->marker, "button-press", G_CALLBACK(on_marker_button), NULL);
 115         (void)on_marker_enter;
 116         (void)on_marker_leave;
 117         (void)on_marker_button;
 118 }
 119
 120 void _load_poly(GritsPluginTest *test)
 121 {
 122         test->poly = grits_poly_parse("35,-90 35,-110 45,-110 45,-90", "\t", " ", ",");
 123         test->poly->color[0]  = test->poly->border[0] = 1;
 124         test->poly->color[1]  = test->poly->border[1] = 0;
 125         test->poly->color[2]  = test->poly->border[2] = 0;
 126         test->poly->color[3]  = 0.2;
 127         test->poly->border[3] = 1;
 128         test->poly->width     = 10;
 129         grits_viewer_add(test->viewer, GRITS_OBJECT(test->poly),  GRITS_LEVEL_OVERLAY, TRUE);
 130         g_signal_connect(test->poly, "enter",        G_CALLBACK(on_poly_enter),  NULL);
 131         g_signal_connect(test->poly, "leave",        G_CALLBACK(on_poly_leave),  NULL);
 132         g_signal_connect(test->poly, "button-press", G_CALLBACK(on_poly_button), NULL);
 133         g_signal_connect(test->poly, "key-press",    G_CALLBACK(on_poly_key),    NULL);
 134 }
 135
 136 /**
 137  * grits_plugin_test_new:
 138  * @viewer: the #GritsViewer to use for drawing
 139  *
 140  * Create a new instance of the testing plugin.
 141  *
 142  * Returns: the new #GritsPluginTest
 143  */
 144 GritsPluginTest *grits_plugin_test_new(GritsViewer *viewer)
 145 {
 146         g_debug("GritsPluginTest: new");
 147         GritsPluginTest *test = g_object_new(GRITS_TYPE_PLUGIN_TEST, NULL);
 148         test->viewer = g_object_ref(viewer);
 149         _load_marker(test);
 150         _load_poly(test);
 151         return test;
 152 }
 153
 154
 155 /****************
 156  * GObject code *
 157  ****************/
 158 /* Plugin init */
 159 static void grits_plugin_test_plugin_init(GritsPluginInterface *iface);
 160 G_DEFINE_TYPE_WITH_CODE(GritsPluginTest, grits_plugin_test, G_TYPE_OBJECT,
 161                 G_IMPLEMENT_INTERFACE(GRITS_TYPE_PLUGIN,
 162                         grits_plugin_test_plugin_init));
 163 static void grits_plugin_test_plugin_init(GritsPluginInterface *iface)
 164 {
 165         g_debug("GritsPluginTest: plugin_init");
 166         /* Add methods to the interface */
 167 }
 168 /* Class/Object init */
 169 static void grits_plugin_test_init(GritsPluginTest *test)
 170 {
 171         g_debug("GritsPluginTest: init");
 172 }
 173 static void grits_plugin_test_dispose(GObject *_test)
 174 {
 175         g_debug("GritsPluginTest: dispose");
 176         GritsPluginTest *test = GRITS_PLUGIN_TEST(_test);
 177         if (test->viewer) {
 178                 grits_viewer_remove(test->viewer, test->marker);
 179                 g_object_unref(test->viewer);
 180                 test->viewer = NULL;
 181         }
 182         G_OBJECT_CLASS(grits_plugin_test_parent_class)->dispose(_test);
 183 }
 184 static void grits_plugin_test_class_init(GritsPluginTestClass *klass)
 185 {
 186         g_debug("GritsPluginTest: class_init");
 187         GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
 188         gobject_class->dispose = grits_plugin_test_dispose;
 189 }