X-Git-Url: http://pileus.org/git/?p=grits;a=blobdiff_plain;f=src%2Fgis-viewer.c;h=075c039ed2d5e3215e92a24a976a122af2ea56bc;hp=e8759e1cfdc43e9636594aaf46b24a2d19f54d9d;hb=02d47fe228b984375a98b87d3c2b3b69f75e8b1e;hpb=65662f34a4435f17ecf01d734c9180b4339dde12 diff --git a/src/gis-viewer.c b/src/gis-viewer.c index e8759e1..075c039 100644 --- a/src/gis-viewer.c +++ b/src/gis-viewer.c @@ -102,18 +102,29 @@ static gboolean on_key_press(GisViewer *viewer, GdkEventKey *event, gpointer _) double lat, lon, elev, pan; gis_viewer_get_location(viewer, &lat, &lon, &elev); pan = MIN(elev/(EARTH_R/2), 30); - guint kv = event->keyval; gdk_threads_leave(); - if (kv == GDK_Left || kv == GDK_h) gis_viewer_pan(viewer, 0, -pan, 0); - else if (kv == GDK_Down || kv == GDK_j) gis_viewer_pan(viewer, -pan, 0, 0); - else if (kv == GDK_Up || kv == GDK_k) gis_viewer_pan(viewer, pan, 0, 0); - else if (kv == GDK_Right || kv == GDK_l) gis_viewer_pan(viewer, 0, pan, 0); - else if (kv == GDK_minus || kv == GDK_o) gis_viewer_zoom(viewer, 10./9); - else if (kv == GDK_plus || kv == GDK_i) gis_viewer_zoom(viewer, 9./10); - else if (kv == GDK_H) gis_viewer_rotate(viewer, 0, 0, -2); - else if (kv == GDK_J) gis_viewer_rotate(viewer, 2, 0, 0); - else if (kv == GDK_K) gis_viewer_rotate(viewer, -2, 0, 0); - else if (kv == GDK_L) gis_viewer_rotate(viewer, 0, 0, 2); + switch (event->keyval) { + case GDK_Left: case GDK_h: gis_viewer_pan(viewer, 0, -pan, 0); break; + case GDK_Down: case GDK_j: gis_viewer_pan(viewer, -pan, 0, 0); break; + case GDK_Up: case GDK_k: gis_viewer_pan(viewer, pan, 0, 0); break; + case GDK_Right: case GDK_l: gis_viewer_pan(viewer, 0, pan, 0); break; + case GDK_minus: case GDK_o: gis_viewer_zoom(viewer, 10./9); break; + case GDK_plus: case GDK_i: gis_viewer_zoom(viewer, 9./10); break; + case GDK_H: gis_viewer_rotate(viewer, 0, 0, -2); break; + case GDK_J: gis_viewer_rotate(viewer, 2, 0, 0); break; + case GDK_K: gis_viewer_rotate(viewer, -2, 0, 0); break; + case GDK_L: gis_viewer_rotate(viewer, 0, 0, 2); break; + } + return FALSE; +} + +static gboolean on_scroll(GisViewer *viewer, GdkEventScroll *event, gpointer _) +{ + switch (event->direction) { + case GDK_SCROLL_DOWN: gis_viewer_zoom(viewer, 10./9); break; + case GDK_SCROLL_UP: gis_viewer_zoom(viewer, 9./10); break; + default: break; + } return FALSE; } @@ -148,21 +159,15 @@ static gboolean on_button_release(GisViewer *viewer, GdkEventButton *event, gpoi static gboolean on_motion_notify(GisViewer *viewer, GdkEventMotion *event, gpointer _) { - gdouble x_dist = viewer->drag_x - event->x; - gdouble y_dist = viewer->drag_y - event->y; + gdouble x = viewer->drag_x - event->x; + gdouble y = viewer->drag_y - event->y; gdouble lat, lon, elev, scale; gis_viewer_get_location(GIS_VIEWER(viewer), &lat, &lon, &elev); scale = elev/EARTH_R/15; switch (viewer->drag_mode) { - case GIS_DRAG_PAN: - gis_viewer_pan(viewer, -y_dist*scale, x_dist*scale, 0); - break; - case GIS_DRAG_ZOOM: - gis_viewer_zoom(viewer, pow(2, -y_dist/500)); - break; - case GIS_DRAG_TILT: - gis_viewer_rotate(viewer, y_dist/10, 0, x_dist/10); - break; + case GIS_DRAG_PAN: gis_viewer_pan(viewer, -y*scale, x*scale, 0); break; + case GIS_DRAG_ZOOM: gis_viewer_zoom(viewer, pow(2, -y/500)); break; + case GIS_DRAG_TILT: gis_viewer_rotate(viewer, y/10, 0, x/10); break; } viewer->drag_x = event->x; viewer->drag_y = event->y; @@ -175,6 +180,13 @@ static void on_view_changed(GisViewer *viewer, gtk_widget_queue_draw(GTK_WIDGET(viewer)); } +static void on_realize(GisViewer *viewer) +{ + GdkCursor *cursor = gdk_cursor_new(GDK_FLEUR); + GdkWindow *window = gtk_widget_get_window(GTK_WIDGET(viewer)); + gdk_window_set_cursor(window, cursor); +} + /*********** * Methods * ***********/ @@ -201,12 +213,11 @@ void gis_viewer_setup(GisViewer *viewer, GisPlugins *plugins, GisPrefs *prefs) * * Set the current time for the view */ -void gis_viewer_set_time(GisViewer *viewer, const char *time) +void gis_viewer_set_time(GisViewer *viewer, time_t time) { g_assert(GIS_IS_VIEWER(viewer)); - g_debug("GisViewer: set_time - time=%s", time); - g_free(viewer->time); - viewer->time = g_strdup(time); + g_debug("GisViewer: set_time - time=%ld", time); + viewer->time = time; _gis_viewer_emit_time_changed(viewer); } @@ -218,7 +229,7 @@ void gis_viewer_set_time(GisViewer *viewer, const char *time) * * Returns: the current time */ -gchar *gis_viewer_get_time(GisViewer *viewer) +time_t gis_viewer_get_time(GisViewer *viewer) { g_assert(GIS_IS_VIEWER(viewer)); g_debug("GisViewer: get_time"); @@ -545,7 +556,6 @@ static void gis_viewer_init(GisViewer *viewer) { g_debug("GisViewer: init"); /* Default values */ - viewer->time = g_strdup(""); viewer->location[0] = 40; viewer->location[1] = -100; viewer->location[2] = 1.5*EARTH_R; @@ -561,6 +571,7 @@ static void gis_viewer_init(GisViewer *viewer) GDK_KEY_PRESS_MASK); g_signal_connect(viewer, "key-press-event", G_CALLBACK(on_key_press), NULL); + g_signal_connect(viewer, "scroll-event", G_CALLBACK(on_scroll), NULL); g_signal_connect(viewer, "button-press-event", G_CALLBACK(on_button_press), NULL); g_signal_connect(viewer, "button-release-event", G_CALLBACK(on_button_release), NULL); @@ -568,12 +579,13 @@ static void gis_viewer_init(GisViewer *viewer) g_signal_connect(viewer, "location-changed", G_CALLBACK(on_view_changed), NULL); g_signal_connect(viewer, "rotation-changed", G_CALLBACK(on_view_changed), NULL); + + g_signal_connect(viewer, "realize", G_CALLBACK(on_realize), NULL); } static void gis_viewer_finalize(GObject *gobject) { g_debug("GisViewer: finalize"); GisViewer *viewer = GIS_VIEWER(gobject); - g_free(viewer->time); G_OBJECT_CLASS(gis_viewer_parent_class)->finalize(gobject); } static void gis_viewer_class_init(GisViewerClass *klass) @@ -585,7 +597,7 @@ static void gis_viewer_class_init(GisViewerClass *klass) /** * GisViewer::time-changed: * @viewer: the viewer. - * @time: a string representation of the time. + * @time: the new time. * * The ::time-changed signal is emitted when the viewers current time * changers. @@ -597,10 +609,10 @@ static void gis_viewer_class_init(GisViewerClass *klass) 0, NULL, NULL, - g_cclosure_marshal_VOID__STRING, + g_cclosure_marshal_VOID__LONG, G_TYPE_NONE, 1, - G_TYPE_STRING); + G_TYPE_LONG); /** * GisViewer::location-changed: