X-Git-Url: http://pileus.org/git/?p=grits;a=blobdiff_plain;f=src%2Faweather-gui.c;h=771ff20b1745d0b03209e38d3ccf1b7bdc5f050b;hp=99b950e2d5c383b380dfae8cb9a0302f7980d426;hb=1cf8b4ecd92f49dfbbe0472e02d4e5bc8841fe2f;hpb=d527bfdb9682b1824e1c2df318a92291aaa48860 diff --git a/src/aweather-gui.c b/src/aweather-gui.c index 99b950e..771ff20 100644 --- a/src/aweather-gui.c +++ b/src/aweather-gui.c @@ -1,114 +1,510 @@ +/* + * Copyright (C) 2009 Andy Spencer + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + #include #include #include #include +#include +#include +#include #include "aweather-gui.h" #include "aweather-view.h" +#include "aweather-plugin.h" +#include "location.h" /**************** * GObject code * ****************/ -G_DEFINE_TYPE(AWeatherGui, aweather_gui, G_TYPE_OBJECT); - -/* Constructor / destructors */ +G_DEFINE_TYPE(AWeatherGui, aweather_gui, GTK_TYPE_WINDOW); static void aweather_gui_init(AWeatherGui *gui) { - g_message("aweather_gui_init"); - /* Default values */ - gui->view = NULL; - gui->builder = NULL; - gui->window = NULL; - gui->tabs = NULL; - gui->drawing = NULL; + gui->plugins = NULL; + g_debug("AWeatherGui: init"); } - static GObject *aweather_gui_constructor(GType gtype, guint n_properties, GObjectConstructParam *properties) { - g_message("aweather_gui_constructor"); + g_debug("aweather_gui: constructor"); GObjectClass *parent_class = G_OBJECT_CLASS(aweather_gui_parent_class); return parent_class->constructor(gtype, n_properties, properties); } - -static void aweather_gui_dispose (GObject *gobject) +static void aweather_gui_dispose(GObject *gobject) { - g_message("aweather_gui_dispose"); + g_debug("AWeatherGui: dispose"); AWeatherGui *gui = AWEATHER_GUI(gobject); - g_object_unref(gui->view ); - g_object_unref(gui->builder); - g_object_unref(gui->window ); - g_object_unref(gui->tabs ); - g_object_unref(gui->drawing); + if (gui->view) { + g_object_unref(gui->view); + gui->view = NULL; + } + if (gui->builder) { + /* Reparent to avoid double unrefs */ + GtkWidget *body = aweather_gui_get_widget(gui, "body"); + GtkWidget *window = aweather_gui_get_widget(gui, "window"); + gtk_widget_reparent(body, window); + g_object_unref(gui->builder); + gui->builder = NULL; + } + if (gui->plugins) { + g_list_foreach(gui->plugins, (GFunc)g_object_unref, NULL); + g_list_free(gui->plugins); + gui->plugins = NULL; + } + //for (GList *cur = gui->plugins; cur; cur = cur->next) + // g_object_unref(cur->data); G_OBJECT_CLASS(aweather_gui_parent_class)->dispose(gobject); } - static void aweather_gui_finalize(GObject *gobject) { - g_message("aweather_gui_finalize"); + g_debug("AWeatherGui: finalize"); G_OBJECT_CLASS(aweather_gui_parent_class)->finalize(gobject); -} + gtk_main_quit(); +} static void aweather_gui_class_init(AWeatherGuiClass *klass) { - g_message("aweather_gui_class_init"); + g_debug("AWeatherGui: class_init"); GObjectClass *gobject_class = G_OBJECT_CLASS(klass); gobject_class->constructor = aweather_gui_constructor; gobject_class->dispose = aweather_gui_dispose; gobject_class->finalize = aweather_gui_finalize; } -/* Methods */ +/************* + * Callbacks * + *************/ +gboolean on_drawing_button_press(GtkWidget *widget, GdkEventButton *event, AWeatherGui *gui) +{ + g_debug("AWeatherGui: on_drawing_button_press - Grabbing focus"); + GtkWidget *drawing = aweather_gui_get_widget(gui, "drawing"); + gtk_widget_grab_focus(drawing); + return TRUE; +} +gboolean on_drawing_key_press(GtkWidget *widget, GdkEventKey *event, AWeatherGui *gui) +{ + g_debug("AWeatherGui: on_drawing_key_press - key=%x, state=%x", + event->keyval, event->state); + AWeatherView *view = aweather_gui_get_view(gui); + double x,y,z; + aweather_view_get_location(view, &x, &y, &z); + guint kv = event->keyval; + if (kv == GDK_Right || kv == GDK_l) aweather_view_pan(view, z/10, 0, 0); + else if (kv == GDK_Left || kv == GDK_h) aweather_view_pan(view, -z/10, 0, 0); + else if (kv == GDK_Up || kv == GDK_k) aweather_view_pan(view, 0, z/10, 0); + else if (kv == GDK_Down || kv == GDK_j) aweather_view_pan(view, 0, -z/10, 0); + else if (kv == GDK_minus || kv == GDK_o) aweather_view_zoom(view, 10./9); + else if (kv == GDK_plus || kv == GDK_i) aweather_view_zoom(view, 9./10); + return TRUE; +} + +gboolean on_gui_key_press(GtkWidget *widget, GdkEventKey *event, AWeatherGui *gui) +{ + g_debug("AWeatherGui: on_gui_key_press - key=%x, state=%x", + event->keyval, event->state); + AWeatherView *view = aweather_gui_get_view(gui); + if (event->keyval == GDK_q) + gtk_widget_destroy(GTK_WIDGET(gui)); + else if (event->keyval == GDK_r && event->state & GDK_CONTROL_MASK) + aweather_view_refresh(view); + else if (event->keyval == GDK_Tab || event->keyval == GDK_ISO_Left_Tab) { + GtkNotebook *tabs = GTK_NOTEBOOK(aweather_gui_get_widget(gui, "tabs")); + gint num_tabs = gtk_notebook_get_n_pages(tabs); + gint cur_tab = gtk_notebook_get_current_page(tabs); + if (event->state & GDK_SHIFT_MASK) + gtk_notebook_set_current_page(tabs, (cur_tab-1)%num_tabs); + else + gtk_notebook_set_current_page(tabs, (cur_tab+1)%num_tabs); + }; + return FALSE; +} + +void on_quit(GtkMenuItem *menu, AWeatherGui *gui) +{ + gtk_widget_destroy(GTK_WIDGET(gui)); +} + +void on_offline(GtkToggleAction *action, AWeatherGui *gui) +{ + AWeatherView *view = aweather_gui_get_view(gui); + aweather_view_set_offline(view, + gtk_toggle_action_get_active(action)); +} + +void on_zoomin(GtkAction *action, AWeatherGui *gui) +{ + AWeatherView *view = aweather_gui_get_view(gui); + aweather_view_zoom(view, 3./4); +} + +void on_zoomout(GtkAction *action, AWeatherGui *gui) +{ + AWeatherView *view = aweather_gui_get_view(gui); + aweather_view_zoom(view, 4./3); +} + +void on_refresh(GtkAction *action, AWeatherGui *gui) +{ + AWeatherView *view = aweather_gui_get_view(gui); + aweather_view_refresh(view); +} + +void on_about(GtkAction *action, AWeatherGui *gui) +{ + // TODO: use gtk_widget_hide_on_delete() + GError *error = NULL; + GtkBuilder *builder = gtk_builder_new(); + if (!gtk_builder_add_from_file(builder, DATADIR "/aweather/about.ui", &error)) + g_error("Failed to create gtk builder: %s", error->message); + gtk_builder_connect_signals(builder, NULL); + GtkWidget *window = GTK_WIDGET(gtk_builder_get_object(builder, "window")); + gtk_window_set_transient_for(GTK_WINDOW(window), + GTK_WINDOW(aweather_gui_get_widget(gui, "window"))); + gtk_widget_show_all(window); + g_object_unref(builder); +} + +void on_time_changed(GtkTreeView *view, GtkTreePath *path, + GtkTreeViewColumn *column, AWeatherGui *gui) +{ + gchar *time; + GtkTreeIter iter; + GtkTreeModel *model = gtk_tree_view_get_model(view); + gtk_tree_model_get_iter(model, &iter, path); + gtk_tree_model_get(model, &iter, 0, &time, -1); + AWeatherView *aview = aweather_gui_get_view(gui); + aweather_view_set_time(aview, time); + g_free(time); +} + +void on_site_changed(GtkComboBox *combo, AWeatherGui *gui) +{ + gchar *site; + GtkTreeIter iter; + GtkTreeModel *model = gtk_combo_box_get_model(combo); + gtk_combo_box_get_active_iter(combo, &iter); + gtk_tree_model_get(model, &iter, 1, &site, -1); + AWeatherView *view = aweather_gui_get_view(gui); + aweather_view_set_site(view, site); + g_free(site); +} + +gboolean on_map(GtkWidget *da, GdkEventConfigure *event, AWeatherGui *gui) +{ + g_debug("AWeatherGui: on_map"); + AWeatherView *view = aweather_gui_get_view(gui); + + /* Misc */ + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glClearColor(0.0f, 0.0f, 0.0f, 0.0f); + + /* Tessellation, "finding intersecting triangles" */ + /* http://research.microsoft.com/pubs/70307/tr-2006-81.pdf */ + /* http://www.opengl.org/wiki/Alpha_Blending */ + glAlphaFunc(GL_GREATER,0.1); + glEnable(GL_ALPHA_TEST); + + /* Depth test */ + glClearDepth(1.0); + glDepthFunc(GL_LEQUAL); + glEnable(GL_DEPTH_TEST); + + aweather_gui_gl_end(gui); + return FALSE; +} + +gboolean on_configure(GtkWidget *da, GdkEventConfigure *event, AWeatherGui *gui) +{ + g_debug("AWeatherGui: on_confiure"); + aweather_gui_gl_begin(gui); + + double x, y, z; + AWeatherView *view = aweather_gui_get_view(gui); + aweather_view_get_location(view, &x, &y, &z); + + /* Window is at 500 m from camera */ + double width = da->allocation.width; + double height = da->allocation.height; + + glViewport(0, 0, width, height); + + /* Perspective */ + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + double rad = atan((height/2)/500); + double deg = (rad*180)/M_PI; + + gluPerspective(deg*2, width/height, -z-20, -z+20); + //gluPerspective(deg*2, width/height, 1, 500*1000); + + aweather_gui_gl_end(gui); + return FALSE; +} + +gboolean on_expose(GtkWidget *da, GdkEventExpose *event, AWeatherGui *gui) +{ + g_debug("AWeatherGui: on_expose - begin"); + aweather_gui_gl_begin(gui); + + double x, y, z; + AWeatherView *view = aweather_gui_get_view(gui); + aweather_view_get_location(view, &x, &y, &z); + + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glTranslatef(x, y, z); + + //glRotatef(-45, 1, 0, 0); + + /* Expose plugins */ + for (GList *cur = gui->plugins; cur; cur = cur->next) { + AWeatherPlugin *plugin = AWEATHER_PLUGIN(cur->data); + aweather_plugin_expose(plugin); + } + + aweather_gui_gl_end(gui); + aweather_gui_gl_flush(gui); + g_debug("AWeatherGui: on_expose - end\n"); + return FALSE; +} + +void on_location_changed(AWeatherView *view, + gdouble x, gdouble y, gdouble z, AWeatherGui *gui) +{ + /* Reset clipping area and redraw */ + GtkWidget *da = aweather_gui_get_widget(gui, "drawing"); + on_configure(da, NULL, gui); + aweather_gui_gl_redraw(gui); +} + +/* TODO: replace the code in these with `gtk_tree_model_find' utility */ +static void update_time_widget(AWeatherView *view, const char *time, AWeatherGui *gui) +{ + g_debug("AWeatherGui: update_time_widget - time=%s", time); + GtkTreeView *tview = GTK_TREE_VIEW(aweather_gui_get_widget(gui, "time")); + GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(tview)); + for (int i = 0; i < gtk_tree_model_iter_n_children(model, NULL); i++) { + char *text; + GtkTreeIter iter; + gtk_tree_model_iter_nth_child(model, &iter, NULL, i); + gtk_tree_model_get(model, &iter, 0, &text, -1); + if (g_str_equal(text, time)) { + GtkTreePath *path = gtk_tree_model_get_path(model, &iter); + g_signal_handlers_block_by_func(tview, + G_CALLBACK(on_site_changed), gui); + gtk_tree_view_set_cursor(tview, path, NULL, FALSE); + g_signal_handlers_unblock_by_func(tview, + G_CALLBACK(on_site_changed), gui); + gtk_tree_path_free(path); + g_free(text); + return; + } + g_free(text); + } +} +static void update_site_widget(AWeatherView *view, char *site, AWeatherGui *gui) +{ + g_debug("AWeatherGui: updat_site_widget - site=%s", site); + GtkComboBox *combo = GTK_COMBO_BOX(aweather_gui_get_widget(gui, "site")); + GtkTreeModel *model = GTK_TREE_MODEL(gtk_combo_box_get_model(combo)); + for (int i = 0; i < gtk_tree_model_iter_n_children(model, NULL); i++) { + GtkTreeIter iter1; + gtk_tree_model_iter_nth_child(model, &iter1, NULL, i); + for (int i = 0; i < gtk_tree_model_iter_n_children(model, &iter1); i++) { + GtkTreeIter iter2; + gtk_tree_model_iter_nth_child(model, &iter2, &iter1, i); + char *text; + gtk_tree_model_get(model, &iter2, 1, &text, -1); + if (text == NULL) + continue; + if (g_str_equal(text, site)) { + g_signal_handlers_block_by_func(combo, + G_CALLBACK(on_site_changed), gui); + gtk_combo_box_set_active_iter(combo, &iter2); + g_signal_handlers_unblock_by_func(combo, + G_CALLBACK(on_site_changed), gui); + g_free(text); + return; + } + g_free(text); + } + } +} + +/***************** + * Setup helpers * + *****************/ +static void combo_sensitive(GtkCellLayout *cell_layout, GtkCellRenderer *cell, + GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data) +{ + gboolean sensitive = !gtk_tree_model_iter_has_child(tree_model, iter); + g_object_set(cell, "sensitive", sensitive, NULL); +} + +static void site_setup(AWeatherGui *gui) +{ + GtkTreeIter state, city; + GtkTreeStore *store = GTK_TREE_STORE(aweather_gui_get_object(gui, "sites")); + for (int i = 0; cities[i].label; i++) { + if (cities[i].type == LOCATION_STATE) { + gtk_tree_store_append(store, &state, NULL); + gtk_tree_store_set (store, &state, 0, cities[i].label, + 1, cities[i].code, -1); + } else { + gtk_tree_store_append(store, &city, &state); + gtk_tree_store_set (store, &city, 0, cities[i].label, + 1, cities[i].code, -1); + } + } + + GtkWidget *combo = aweather_gui_get_widget(gui, "site"); + GObject *renderer = aweather_gui_get_object(gui, "site_rend"); + gtk_cell_layout_set_cell_data_func(GTK_CELL_LAYOUT(combo), + GTK_CELL_RENDERER(renderer), combo_sensitive, NULL, NULL); + + AWeatherView *aview = aweather_gui_get_view(gui); + g_signal_connect(aview, "site-changed", G_CALLBACK(update_site_widget), gui); +} + +static void time_setup(AWeatherGui *gui) +{ + GtkTreeView *tview = GTK_TREE_VIEW(aweather_gui_get_widget(gui, "time")); + GtkCellRenderer *rend = gtk_cell_renderer_text_new(); + GtkTreeViewColumn *col = gtk_tree_view_column_new_with_attributes( + "Time", rend, "text", 0, NULL); + + gtk_tree_view_append_column(tview, col); + g_object_set(rend, "size-points", 8.0, NULL); + + AWeatherView *aview = aweather_gui_get_view(gui); + g_signal_connect(aview, "time-changed", G_CALLBACK(update_time_widget), gui); +} + +static void opengl_setup(AWeatherGui *gui) +{ + GtkDrawingArea *drawing = GTK_DRAWING_AREA(aweather_gui_get_widget(gui, "drawing")); + + GdkGLConfig *glconfig = gdk_gl_config_new_by_mode( + GDK_GL_MODE_RGBA | GDK_GL_MODE_DEPTH | + GDK_GL_MODE_DOUBLE | GDK_GL_MODE_ALPHA); + if (!glconfig) + g_error("Failed to create glconfig"); + if (!gtk_widget_set_gl_capability(GTK_WIDGET(drawing), + glconfig, NULL, TRUE, GDK_GL_RGBA_TYPE)) + g_error("GL lacks required capabilities"); + + /* Set up OpenGL Stuff, glade doesn't like doing these */ + g_signal_connect(drawing, "map-event", G_CALLBACK(on_map), gui); + g_signal_connect(drawing, "configure-event", G_CALLBACK(on_configure), gui); + g_signal_connect(drawing, "expose-event", G_CALLBACK(on_expose), gui); +} + + + +/*********** + * Methods * + ***********/ AWeatherGui *aweather_gui_new() { - g_message("aweather_gui_new"); + g_debug("AWeatherGui: new"); GError *error = NULL; - AWeatherGui *gui = g_object_new(AWEATHER_TYPE_GUI, NULL); + AWeatherGui *self = g_object_new(AWEATHER_TYPE_GUI, NULL); + self->view = aweather_view_new(); + self->builder = gtk_builder_new(); - gui->builder = gtk_builder_new(); - if (!gtk_builder_add_from_file(gui->builder, DATADIR "/aweather/aweather.xml", &error)) + if (!gtk_builder_add_from_file(self->builder, DATADIR "/aweather/main.ui", &error)) g_error("Failed to create gtk builder: %s", error->message); - gui->view = aweather_view_new(); - gui->window = GTK_WINDOW (gtk_builder_get_object(gui->builder, "window")); - gui->tabs = GTK_NOTEBOOK (gtk_builder_get_object(gui->builder, "tabs")); - gui->drawing = GTK_DRAWING_AREA(gtk_builder_get_object(gui->builder, "drawing")); - gtk_builder_connect_signals(gui->builder, NULL); - return gui; + gtk_builder_connect_signals(self->builder, self); + g_signal_connect(self, "key-press-event", G_CALLBACK(on_gui_key_press), self); + gtk_widget_reparent(aweather_gui_get_widget(self, "body"), GTK_WIDGET(self)); + + /* Load components */ + aweather_view_set_location(self->view, 0, 0, -300*1000); + g_signal_connect(self->view, "location-changed", G_CALLBACK(on_location_changed), self); + site_setup(self); + time_setup(self); + opengl_setup(self); + return self; } AWeatherView *aweather_gui_get_view(AWeatherGui *gui) { + g_assert(AWEATHER_IS_GUI(gui)); return gui->view; } GtkBuilder *aweather_gui_get_builder(AWeatherGui *gui) { + g_debug("AWeatherGui: get_builder"); + g_assert(AWEATHER_IS_GUI(gui)); return gui->builder; } -GtkWindow *aweather_gui_get_window(AWeatherGui *gui) +GtkWidget *aweather_gui_get_widget(AWeatherGui *gui, const gchar *name) { - return gui->window; + g_debug("AWeatherGui: get_widget - name=%s", name); + g_assert(AWEATHER_IS_GUI(gui)); + GObject *widget = gtk_builder_get_object(gui->builder, name); + if (!GTK_IS_WIDGET(widget)) + g_error("Failed to get widget `%s'", name); + return GTK_WIDGET(widget); } -GtkNotebook *aweather_gui_get_tabs(AWeatherGui *gui) +GObject *aweather_gui_get_object(AWeatherGui *gui, const gchar *name) { - return gui->tabs; + g_debug("AWeatherGui: get_widget - name=%s", name); + g_assert(AWEATHER_IS_GUI(gui)); + return gtk_builder_get_object(gui->builder, name); } -GtkDrawingArea *aweather_gui_get_drawing(AWeatherGui *gui) +void aweather_gui_register_plugin(AWeatherGui *gui, AWeatherPlugin *plugin) { - return gui->drawing; + g_debug("AWeatherGui: register_plugin"); + gui->plugins = g_list_append(gui->plugins, plugin); } +void aweather_gui_gl_redraw(AWeatherGui *gui) +{ + g_debug("AWeatherGui: gl_redraw"); + GtkWidget *drawing = aweather_gui_get_widget(gui, "drawing"); + gtk_widget_queue_draw(drawing); +} +void aweather_gui_gl_begin(AWeatherGui *gui) +{ + g_assert(AWEATHER_IS_GUI(gui)); -//void aweather_gui_register_plugin(AWeatherGui *gui, AWeatherPlugin *plugin); + GtkDrawingArea *drawing = GTK_DRAWING_AREA(aweather_gui_get_widget(gui, "drawing")); + GdkGLContext *glcontext = gtk_widget_get_gl_context(GTK_WIDGET(drawing)); + GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(GTK_WIDGET(drawing)); -/************************ - * GtkBuilder callbacks * - ************************/ -gboolean on_window_key_press_event(GtkWidget *widget, GdkEventKey *event, gpointer data) + if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext)) + g_assert_not_reached(); + + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); +} +void aweather_gui_gl_end(AWeatherGui *gui) { - if (event->keyval == GDK_q) - gtk_main_quit(); - return TRUE; + g_assert(AWEATHER_IS_GUI(gui)); + GdkGLDrawable *gldrawable = gdk_gl_drawable_get_current(); + gdk_gl_drawable_gl_end(gldrawable); } - -void on_site_changed() { - g_message("site changed"); +void aweather_gui_gl_flush(AWeatherGui *gui) +{ + g_assert(AWEATHER_IS_GUI(gui)); + GdkGLDrawable *gldrawable = gdk_gl_drawable_get_current(); + if (gdk_gl_drawable_is_double_buffered(gldrawable)) + gdk_gl_drawable_swap_buffers(gldrawable); + else + glFlush(); + gdk_gl_drawable_gl_end(gldrawable); }