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("GritsPluginTest: 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("GritsPluginTest: 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("GritsPluginTest: 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("GritsPluginTest: on_poly_key - %d", event->keyval);
  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         if (event->keyval >= G_N_ELEMENTS(colors))
  70                 return;
  71         int key = event->keyval;
  72         memcpy(poly->color, colors[key], sizeof(gdouble)*3);
  73         grits_object_queue_draw(GRITS_OBJECT(poly));
  74 }
  75
  76 static void on_marker_enter(GritsMarker *marker, GritsViewer *viewer)
  77 {
  78         g_debug("GritsPluginTest: on_marker_enter");
  79         GdkWindow *window = gtk_widget_get_window(GTK_WIDGET(viewer));
  80         GdkCursor *cursor = gdk_cursor_new(GDK_HAND1);
  81         gdk_window_set_cursor(window, cursor);
  82 }
  83
  84 static void on_marker_leave(GritsMarker *marker, GritsViewer *viewer)
  85 {
  86         g_debug("GritsPluginTest: on_marker_leave");
  87         GdkWindow *window = gtk_widget_get_window(GTK_WIDGET(viewer));
  88         gdk_window_set_cursor(window, NULL);
  89 }
  90
  91 static void on_marker_button(GritsMarker *marker, GdkEventButton *event)
  92 {
  93         g_debug("GritsPluginTest: on_marker_button");
  94         GtkWidget *dialog = gtk_dialog_new_with_buttons(
  95                         "St. Charles!", NULL, 0, GTK_STOCK_OK, GTK_RESPONSE_OK, NULL);
  96         gtk_dialog_run(GTK_DIALOG(dialog));
  97 }
  98
  99 /***********
 100  * Methods *
 101  ***********/
 102 void _load_marker(GritsPluginTest *test)
 103 {
 104         test->marker = grits_marker_new("St. Charles");
 105         GRITS_OBJECT(test->marker)->center.lat  =  38.841847;
 106         GRITS_OBJECT(test->marker)->center.lon  = -90.491982;
 107         GRITS_OBJECT(test->marker)->center.elev =   0.0;
 108         GRITS_OBJECT(test->marker)->lod         = EARTH_R*3;
 109         grits_viewer_add(test->viewer, GRITS_OBJECT(test->marker), GRITS_LEVEL_OVERLAY, FALSE);
 110         /* These do not work on marker yet */
 111         //g_signal_connect(test->marker, "enter",        G_CALLBACK(on_marker_enter),  NULL);
 112         //g_signal_connect(test->marker, "leave",        G_CALLBACK(on_marker_leave),  NULL);
 113         //g_signal_connect(test->marker, "button-press", G_CALLBACK(on_marker_button), NULL);
 114         (void)on_marker_enter;
 115         (void)on_marker_leave;
 116         (void)on_marker_button;
 117 }
 118
 119 void _load_poly(GritsPluginTest *test)
 120 {
 121         test->poly = grits_poly_parse("35,-90 35,-110 45,-110 45,-90", "\t", " ", ",");
 122         test->poly->color[0]  = test->poly->border[0] = 1;
 123         test->poly->color[1]  = test->poly->border[1] = 0;
 124         test->poly->color[2]  = test->poly->border[2] = 0;
 125         test->poly->color[3]  = 0.2;
 126         test->poly->border[3] = 1;
 127         test->poly->width     = 6;
 128         grits_viewer_add(test->viewer, GRITS_OBJECT(test->poly),  GRITS_LEVEL_OVERLAY, FALSE);
 129         g_signal_connect(test->poly, "enter",        G_CALLBACK(on_poly_enter),  NULL);
 130         g_signal_connect(test->poly, "leave",        G_CALLBACK(on_poly_leave),  NULL);
 131         g_signal_connect(test->poly, "button-press", G_CALLBACK(on_poly_button), NULL);
 132         g_signal_connect(test->poly, "key-press",    G_CALLBACK(on_poly_key),    NULL);
 133 }
 134
 135 void _load_line(GritsPluginTest *test)
 136 {
 137         test->line = grits_line_parse("30,-80 30,-120 50,-120 50,-80", "\t", " ", ",");
 138         test->line->color[0]  = 1;
 139         test->line->color[1]  = 0;
 140         test->line->color[2]  = 0;
 141         test->line->color[3]  = 1;
 142         test->line->width     = 8;
 143         grits_viewer_add(test->viewer, GRITS_OBJECT(test->line),  GRITS_LEVEL_OVERLAY, FALSE);
 144         g_signal_connect(test->line, "enter",        G_CALLBACK(on_poly_enter),  NULL);
 145         g_signal_connect(test->line, "leave",        G_CALLBACK(on_poly_leave),  NULL);
 146         g_signal_connect(test->line, "button-press", G_CALLBACK(on_poly_button), NULL);
 147         g_signal_connect(test->line, "key-press",    G_CALLBACK(on_poly_key),    NULL);
 148 }
 149
 150 /**
 151  * grits_plugin_test_new:
 152  * @viewer: the #GritsViewer to use for drawing
 153  *
 154  * Create a new instance of the testing plugin.
 155  *
 156  * Returns: the new #GritsPluginTest
 157  */
 158 GritsPluginTest *grits_plugin_test_new(GritsViewer *viewer)
 159 {
 160         g_debug("GritsPluginTest: new");
 161         GritsPluginTest *test = g_object_new(GRITS_TYPE_PLUGIN_TEST, NULL);
 162         test->viewer = g_object_ref(viewer);
 163         _load_marker(test);
 164         _load_poly(test);
 165         _load_line(test);
 166         return test;
 167 }
 168
 169
 170 /****************
 171  * GObject code *
 172  ****************/
 173 /* Plugin init */
 174 static void grits_plugin_test_plugin_init(GritsPluginInterface *iface);
 175 G_DEFINE_TYPE_WITH_CODE(GritsPluginTest, grits_plugin_test, G_TYPE_OBJECT,
 176                 G_IMPLEMENT_INTERFACE(GRITS_TYPE_PLUGIN,
 177                         grits_plugin_test_plugin_init));
 178 static void grits_plugin_test_plugin_init(GritsPluginInterface *iface)
 179 {
 180         g_debug("GritsPluginTest: plugin_init");
 181         /* Add methods to the interface */
 182 }
 183 /* Class/Object init */
 184 static void grits_plugin_test_init(GritsPluginTest *test)
 185 {
 186         g_debug("GritsPluginTest: init");
 187 }
 188 static void grits_plugin_test_dispose(GObject *_test)
 189 {
 190         g_debug("GritsPluginTest: dispose");
 191         GritsPluginTest *test = GRITS_PLUGIN_TEST(_test);
 192         if (test->viewer) {
 193                 grits_viewer_remove(test->viewer, GRITS_OBJECT(test->marker));
 194                 grits_viewer_remove(test->viewer, GRITS_OBJECT(test->poly));
 195                 grits_viewer_remove(test->viewer, GRITS_OBJECT(test->line));
 196                 g_object_unref(test->viewer);
 197                 test->viewer = NULL;
 198         }
 199         G_OBJECT_CLASS(grits_plugin_test_parent_class)->dispose(_test);
 200 }
 201 static void grits_plugin_test_class_init(GritsPluginTestClass *klass)
 202 {
 203         g_debug("GritsPluginTest: class_init");
 204         GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
 205         gobject_class->dispose = grits_plugin_test_dispose;
 206 }