* Road plan (HACKING)

[grits] / src / plugin-ridge.c

diff --git a/src/plugin-ridge.c b/src/plugin-ridge.c
index cd8c447996bf2ede782c3ab9b693440ebc048852..11d716cc6366ba489950f4e6342ded66327b650f 100644 (file)
--- a/src/plugin-ridge.c
+++ b/src/plugin-ridge.c
@@ -35,17 +35,19 @@ enum {
 };
 
 typedef struct {
+       gchar *name;
        gchar *fmt;
+       gboolean enabled;
        float z;
        guint tex;
 } layer_t;
 
 static layer_t layers[] = {
-       [LAYER_TOPO]     = { "Overlays/" "Topo/"     "Short/" "%s_Topo_Short.jpg",     1, 0 },
-       [LAYER_COUNTY]   = { "Overlays/" "County/"   "Short/" "%s_County_Short.gif",   3, 0 },
-       [LAYER_RIVERS]   = { "Overlays/" "Rivers/"   "Short/" "%s_Rivers_Short.gif",   4, 0 },
-       [LAYER_HIGHWAYS] = { "Overlays/" "Highways/" "Short/" "%s_Highways_Short.gif", 5, 0 },
-       [LAYER_CITY]     = { "Overlays/" "Cities/"   "Short/" "%s_City_Short.gif",     6, 0 },
+       [LAYER_TOPO]     = {"Topo",     "Overlays/Topo/Short/%s_Topo_Short.jpg",         TRUE,  1, 0},
+       [LAYER_COUNTY]   = {"Counties", "Overlays/County/Short/%s_County_Short.gif",     TRUE,  3, 0},
+       [LAYER_RIVERS]   = {"Rivers",   "Overlays/Rivers/Short/%s_Rivers_Short.gif",     FALSE, 4, 0},
+       [LAYER_HIGHWAYS] = {"Highways", "Overlays/Highways/Short/%s_Highways_Short.gif", FALSE, 5, 0},
+       [LAYER_CITY]     = {"Cities",   "Overlays/Cities/Short/%s_City_Short.gif",       TRUE,  6, 0},
 };
 
 static AWeatherGui *gui = NULL;
@@ -55,7 +57,7 @@ static AWeatherGui *gui = NULL;
  * \param  filename  Path to the image file
  * \return The OpenGL identifier for the texture
  */
-void load_texture(gchar *filename, gpointer _layer)
+void load_texture(gchar *filename, gboolean updated, gpointer _layer)
 {
        layer_t *layer = _layer;
        aweather_gui_gl_begin(gui);
@@ -70,6 +72,7 @@ void load_texture(gchar *filename, gpointer _layer)
        int        format = gdk_pixbuf_get_has_alpha(pixbuf) ? GL_RGBA : GL_RGB;
 
        /* Create Texture */
+       glDeleteTextures(1, &layer->tex);
        glGenTextures(1, &layer->tex);
        glBindTexture(GL_TEXTURE_2D, layer->tex); // 2d texture (x and y size)
 
@@ -79,12 +82,16 @@ void load_texture(gchar *filename, gpointer _layer)
        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 
+       char *base = g_path_get_basename(filename);
        g_message("loaded image:  w=%-3d  h=%-3d  fmt=%x  px=(%02x,%02x,%02x,%02x)  img=%s",
                width, height, format, pixels[0], pixels[1], pixels[2], pixels[3],
-               g_path_get_basename(filename));
+               base);
+       g_free(base);
 
        aweather_gui_gl_end(gui);
 
+       g_object_unref(pixbuf);
+
        /* Redraw */
        gtk_widget_queue_draw(aweather_gui_get_widget(gui, "drawing"));
 }
@@ -95,7 +102,7 @@ static void set_site(AWeatherView *view, gchar *site, gpointer user_data)
        for (int i = 0; i < LAYER_COUNT; i++) {
                gchar *base = "http://radar.weather.gov/ridge/";
                gchar *path  = g_strdup_printf(layers[i].fmt, site);
-               cache_file(base, path, load_texture, &layers[i]);
+               cache_file(base, path, AWEATHER_NEVER, load_texture, &layers[i]);
                g_free(path);
        }
 }
@@ -108,13 +115,14 @@ static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
        glColor4f(1,1,1,1);
 
        for (int i = 0; i < LAYER_COUNT; i++) {
+               if (!layers[i].enabled)
+                       continue;
                glBindTexture(GL_TEXTURE_2D, layers[i].tex);
-
                glBegin(GL_POLYGON);
-               glTexCoord2f(0.0, 0.0); glVertex3f(250*1000*-1.0, 250*1000* 1.0, layers[i].z);
-               glTexCoord2f(0.0, 1.0); glVertex3f(250*1000*-1.0, 250*1000*-1.0, layers[i].z);
-               glTexCoord2f(1.0, 1.0); glVertex3f(250*1000* 1.0, 250*1000*-1.0, layers[i].z);
-               glTexCoord2f(1.0, 0.0); glVertex3f(250*1000* 1.0, 250*1000* 1.0, layers[i].z);
+               glTexCoord2f(0.0, 0.0); glVertex3f(240*1000*-1.0, 282*1000* 1.0, layers[i].z);
+               glTexCoord2f(0.0, 1.0); glVertex3f(240*1000*-1.0, 282*1000*-1.0, layers[i].z);
+               glTexCoord2f(1.0, 1.0); glVertex3f(240*1000* 1.0, 282*1000*-1.0, layers[i].z);
+               glTexCoord2f(1.0, 0.0); glVertex3f(240*1000* 1.0, 282*1000* 1.0, layers[i].z);
                glEnd();
        }
 
@@ -122,11 +130,32 @@ static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
        return FALSE;
 }
 
+void toggle_layer(GtkToggleButton *check, gpointer _layer)
+{
+       layer_t *layer = _layer;
+       layer->enabled = gtk_toggle_button_get_active(check);
+       gtk_widget_queue_draw(aweather_gui_get_widget(gui, "drawing"));
+}
+
 gboolean ridge_init(AWeatherGui *_gui)
 {
        gui = _gui;
-       GtkDrawingArea *drawing = GTK_DRAWING_AREA(aweather_gui_get_widget(gui, "drawing"));
-       AWeatherView   *view    = aweather_gui_get_view(gui);
+       AWeatherView *view    = aweather_gui_get_view(gui);
+       GtkWidget    *drawing = aweather_gui_get_widget(gui, "drawing");
+       GtkWidget    *config  = aweather_gui_get_widget(gui, "tabs");
+
+       /* Add configuration tab */
+       GtkWidget *tab  = gtk_label_new("Ridge");
+       GtkWidget *body = gtk_alignment_new(0.5, 0, 0, 0);
+       GtkWidget *hbox = gtk_hbox_new(FALSE, 10);
+       for (int i = 0; i < LAYER_COUNT; i++) {
+               GtkWidget *check = gtk_check_button_new_with_label(layers[i].name);
+               gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check), layers[i].enabled);
+               gtk_box_pack_start(GTK_BOX(hbox), check, FALSE, TRUE, 0);
+               g_signal_connect(check, "toggled", G_CALLBACK(toggle_layer), &layers[i]);
+       }
+       gtk_container_add(GTK_CONTAINER(body), hbox);
+       gtk_notebook_append_page(GTK_NOTEBOOK(config), body, tab);
 
        /* Set up OpenGL Stuff */
        g_signal_connect(drawing, "expose-event",     G_CALLBACK(expose),    NULL);