dialog-options.cpp
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上传日期:2022-07-26
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- /*
- * Celestia GTK+ Front-End
- * Copyright (C) 2005 Pat Suwalski <pat@suwalski.net>
- *
- * 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 2 of the License, or
- * (at your option) any later version.
- *
- * $Id: dialog-options.cpp,v 1.7 2008-01-21 04:55:19 suwalski Exp $
- */
- #include <gtk/gtk.h>
- #include <celutil/debug.h>
- #include "dialog-options.h"
- #include "common.h"
- #include "ui.h"
- /* Definitions: Callbacks */
- static gint changeDistanceLimit(GtkRange *slider, AppData* app);
- static gint changeTextureResolution(GtkRange *slider, AppData* app);
- static gchar* formatTextureSlider(GtkRange*, gdouble value);
- /* Definitions: Helpers */
- static void checkButtonsFromAG(const GtkToggleActionEntry actions[], int size, GtkActionGroup* ag, GtkWidget* box);
- static void toggleButtonsFromAG(const GtkRadioActionEntry actions[], int size, GtkActionGroup* ag, GtkWidget* box);
- static float makeDistanceLimit(float value);
- static const int DistanceSliderRange = 10000;
- static const float MaxDistanceLimit = 1.0e6f;
- /* ENTRY: Options -> View Options... */
- void dialogViewOptions(AppData* app)
- {
- /* This dialog is hidden and shown because it is likely to be used a lot
- * and the actions->widgets operations are fairly intensive. */
- if (app->optionDialog != NULL)
- {
- gtk_window_present(GTK_WINDOW(app->optionDialog));
- return;
- }
-
- app->optionDialog = gtk_dialog_new_with_buttons("View Options",
- GTK_WINDOW(app->mainWindow),
- GTK_DIALOG_DESTROY_WITH_PARENT,
- GTK_STOCK_OK,
- GTK_RESPONSE_OK,
- NULL);
-
- /* Create the main layout boxes */
- GtkWidget* hbox = gtk_hbox_new(FALSE, CELSPACING);
- GtkWidget* midBox = gtk_vbox_new(FALSE, CELSPACING);
- GtkWidget* miscBox = gtk_vbox_new(FALSE, CELSPACING);
- /* Create all of the frames */
- GtkWidget* showFrame = gtk_frame_new("Show");
- GtkWidget* orbitFrame = gtk_frame_new("Orbits");
- GtkWidget* labelFrame = gtk_frame_new("Label");
- GtkWidget* limitFrame = gtk_frame_new("Filter Stars");
- GtkWidget* textureFrame = gtk_frame_new("Texture Detail");
- GtkWidget* infoFrame = gtk_frame_new("Info Text");
- GtkWidget* ambientFrame = gtk_frame_new("Ambient Light");
- /* Create the boxes that go in the frames */
- GtkWidget* showBox = gtk_vbox_new(FALSE, 0);
- GtkWidget* labelBox = gtk_vbox_new(FALSE, 0);
- GtkWidget* orbitBox = gtk_vbox_new(FALSE, 0);
- GtkWidget* limitBox = gtk_vbox_new(FALSE, 0);
- GtkWidget* textureBox = gtk_vbox_new(FALSE, 0);
- GtkWidget* infoBox = gtk_vbox_new(FALSE, 0);
- GtkWidget* ambientBox = gtk_vbox_new(FALSE, 0);
-
- /* Set border padding on the boxes */
- gtk_container_border_width(GTK_CONTAINER(showBox), CELSPACING);
- gtk_container_border_width(GTK_CONTAINER(labelBox), CELSPACING);
- gtk_container_border_width(GTK_CONTAINER(orbitBox), CELSPACING);
- gtk_container_border_width(GTK_CONTAINER(limitBox), CELSPACING);
- gtk_container_border_width(GTK_CONTAINER(textureBox), CELSPACING);
- gtk_container_border_width(GTK_CONTAINER(ambientBox), CELSPACING);
- gtk_container_border_width(GTK_CONTAINER(infoBox), CELSPACING);
-
- /* Set border padding on the frames */
- gtk_container_border_width(GTK_CONTAINER(showFrame), 0);
- gtk_container_border_width(GTK_CONTAINER(labelFrame), 0);
- gtk_container_border_width(GTK_CONTAINER(orbitFrame), 0);
- gtk_container_border_width(GTK_CONTAINER(limitFrame), 0);
- gtk_container_border_width(GTK_CONTAINER(textureFrame), 0);
- gtk_container_border_width(GTK_CONTAINER(ambientFrame), 0);
- gtk_container_border_width(GTK_CONTAINER(infoFrame), 0);
-
- /* Place the boxes in the frames */
- gtk_container_add(GTK_CONTAINER(showFrame), GTK_WIDGET(showBox));
- gtk_container_add(GTK_CONTAINER(labelFrame), GTK_WIDGET(labelBox));
- gtk_container_add(GTK_CONTAINER(orbitFrame), GTK_WIDGET(orbitBox));
- gtk_container_add(GTK_CONTAINER(limitFrame),GTK_WIDGET(limitBox));
- gtk_container_add(GTK_CONTAINER(textureFrame),GTK_WIDGET(textureBox));
- gtk_container_add(GTK_CONTAINER(ambientFrame),GTK_WIDGET(ambientBox));
- gtk_container_add(GTK_CONTAINER(infoFrame),GTK_WIDGET(infoBox));
- /* Pack the frames into the top-level boxes and into the window */
- gtk_box_pack_start(GTK_BOX(hbox), showFrame, TRUE, TRUE, 0);
- gtk_box_pack_start(GTK_BOX(midBox), labelFrame, TRUE, TRUE, 0);
- gtk_box_pack_start(GTK_BOX(midBox), limitFrame, TRUE, TRUE, 0);
- gtk_box_pack_start(GTK_BOX(midBox), textureFrame, TRUE, TRUE, 0);
- gtk_box_pack_start(GTK_BOX(miscBox), orbitFrame, TRUE, TRUE, 0);
- gtk_box_pack_start(GTK_BOX(miscBox), ambientFrame, TRUE, TRUE, 0);
- gtk_box_pack_start(GTK_BOX(miscBox), infoFrame, TRUE, TRUE, 0);
- gtk_box_pack_start(GTK_BOX(hbox), midBox, TRUE, TRUE, 0);
- gtk_box_pack_start(GTK_BOX(hbox), miscBox, TRUE, TRUE, 0);
- gtk_box_pack_start(GTK_BOX(GTK_DIALOG (app->optionDialog)->vbox), hbox, TRUE,
- TRUE, 0);
- gtk_container_set_border_width(GTK_CONTAINER(hbox), CELSPACING);
- float logDistanceLimit = log(app->renderer->getDistanceLimit()) / log((float)MaxDistanceLimit);
- GtkAdjustment *adj = (GtkAdjustment *)
- gtk_adjustment_new((gfloat)(logDistanceLimit * DistanceSliderRange),
- 0.0, DistanceSliderRange, 1.0, 2.0, 0.0);
- /* Distance limit slider */
- GtkWidget* magLabel = gtk_label_new(NULL);
- GtkWidget* slider = gtk_hscale_new(adj);
- g_object_set_data(G_OBJECT(slider), "valueLabel", magLabel);
- gtk_scale_set_draw_value(GTK_SCALE(slider), 0);
- gtk_box_pack_start(GTK_BOX(limitBox), slider, TRUE, TRUE, 0);
- gtk_box_pack_start(GTK_BOX(limitBox), magLabel, TRUE, TRUE, 0);
- g_signal_connect(GTK_OBJECT(slider), "value-changed", G_CALLBACK(changeDistanceLimit), app);
- changeDistanceLimit(GTK_RANGE(GTK_HSCALE(slider)), app);
- /* Texture resolution slider */
- GtkWidget* textureSlider = gtk_hscale_new_with_range(0, 2, 1);
- gtk_scale_set_value_pos(GTK_SCALE(textureSlider), GTK_POS_BOTTOM);
- gtk_range_set_increments(GTK_RANGE(textureSlider), 1, 1);
- gtk_range_set_value(GTK_RANGE(textureSlider), app->renderer->getResolution());
- gtk_range_set_update_policy(GTK_RANGE(textureSlider), GTK_UPDATE_DISCONTINUOUS);
- gtk_box_pack_start(GTK_BOX(textureBox), textureSlider, TRUE, TRUE, 0);
- g_signal_connect(GTK_OBJECT(textureSlider), "value-changed", G_CALLBACK(changeTextureResolution), app);
- g_signal_connect(GTK_OBJECT(textureSlider), "format-value", G_CALLBACK(formatTextureSlider), NULL);
- checkButtonsFromAG(actionsRenderFlags, G_N_ELEMENTS(actionsRenderFlags), app->agRender, showBox);
- checkButtonsFromAG(actionsOrbitFlags, G_N_ELEMENTS(actionsOrbitFlags), app->agOrbit, orbitBox);
- checkButtonsFromAG(actionsLabelFlags, G_N_ELEMENTS(actionsLabelFlags), app->agLabel, labelBox);
- toggleButtonsFromAG(actionsVerbosity, G_N_ELEMENTS(actionsVerbosity), app->agVerbosity, infoBox);
- toggleButtonsFromAG(actionsAmbientLight, G_N_ELEMENTS(actionsAmbientLight), app->agAmbient, ambientBox);
- g_signal_connect(app->optionDialog, "response",
- G_CALLBACK(gtk_widget_hide), GTK_WIDGET(app->optionDialog));
- gtk_widget_show_all(hbox);
- gtk_dialog_set_default_response(GTK_DIALOG(app->optionDialog), GTK_RESPONSE_OK);
- gtk_window_present(GTK_WINDOW(app->optionDialog));
- }
- /* CALLBACK: React to changes in the star distance limit slider */
- static gint changeDistanceLimit(GtkRange *slider, AppData* app)
- {
- GtkLabel* magLabel = (GtkLabel*)g_object_get_data(G_OBJECT(slider), "valueLabel");
- float limit = makeDistanceLimit(gtk_range_get_value(slider));
- app->renderer->setDistanceLimit(limit);
- char labeltext[16] = "100000 ly";
- sprintf(labeltext, "%ld ly", (long)(limit + 0.5));
- gtk_label_set_text(GTK_LABEL(magLabel), labeltext);
- #ifdef GNOME
- /* Distance limit changes do not trigger an event like the other
- * render settings. Save setting here. */
- gconf_client_set_int(app->client, "/apps/celestia/distanceLimit", (int)(limit + 0.5), NULL);
- #endif /* GNOME */
- return TRUE;
- }
- /* CALLBACK: React to changes in the texture resolution slider */
- static gint changeTextureResolution(GtkRange *slider, AppData* app)
- {
- app->renderer->setResolution((int)gtk_range_get_value(slider));
- /* Seeing as this is not a GtkAction, kick off the update function */
- resyncTextureResolutionActions(app);
- return TRUE;
- }
- /* CALLBACK: Format the label under the texture detail slider */
- static gchar* formatTextureSlider(GtkRange*, gdouble value)
- {
- switch ((int)value) {
- case 0: return g_strdup("Low");
- case 1: return g_strdup("Medium");
- case 2: return g_strdup("High");
- default: return g_strdup("Error");
- }
- }
- /* HELPER: Creates check buttons from a GtkActionGroup */
- static void checkButtonsFromAG(const GtkToggleActionEntry actions[], int size, GtkActionGroup* ag, GtkWidget* box)
- {
- for (int i = 0; i < size; i++) {
- GtkAction* action = gtk_action_group_get_action(ag, actions[i].name);
-
- /* Mnemonic work-around for bug in GTK 2.6 > 2.6.2, where the label
- * is not set with action proxy. */
- GtkWidget* w = gtk_check_button_new_with_mnemonic(actions[i].label);
- gtk_action_connect_proxy(action, w);
- gtk_box_pack_start(GTK_BOX(box), w, TRUE, TRUE, 0);
- }
- }
- /* HELPER: Creates toggle (instead of radio) buttons from a GtkActionGroup.
- * Cannot be GtkRadioButtons because of GTK limitations/bugs. */
- static void toggleButtonsFromAG(const GtkRadioActionEntry actions[], int size, GtkActionGroup* ag, GtkWidget* box)
- {
- for (int i = 0; i < size; i++) {
- GtkAction* action = gtk_action_group_get_action(ag, actions[i].name);
- /* Mnemonic work-around for bug in GTK 2.6 > 2.6.2, where the label
- * is not set with action proxy. */
- GtkWidget* w = gtk_toggle_button_new_with_mnemonic(actions[i].label);
- gtk_action_connect_proxy(action, w);
- gtk_box_pack_start(GTK_BOX(box), w, TRUE, TRUE, 0);
- }
- }
- /* HELPER: gives a logarithmic value based on linear value */
- static float makeDistanceLimit(float value)
- {
- float logDistanceLimit = value / DistanceSliderRange;
- return (float) pow(MaxDistanceLimit, logDistanceLimit);
- }