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celestia/src/celestia/gtk/dialog-options.cpp

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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 "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_set_border_width(GTK_CONTAINER(showBox), CELSPACING);
gtk_container_set_border_width(GTK_CONTAINER(labelBox), CELSPACING);
gtk_container_set_border_width(GTK_CONTAINER(orbitBox), CELSPACING);
gtk_container_set_border_width(GTK_CONTAINER(limitBox), CELSPACING);
gtk_container_set_border_width(GTK_CONTAINER(textureBox), CELSPACING);
gtk_container_set_border_width(GTK_CONTAINER(ambientBox), CELSPACING);
gtk_container_set_border_width(GTK_CONTAINER(infoBox), CELSPACING);
/* Set border padding on the frames */
gtk_container_set_border_width(GTK_CONTAINER(showFrame), 0);
gtk_container_set_border_width(GTK_CONTAINER(labelFrame), 0);
gtk_container_set_border_width(GTK_CONTAINER(orbitFrame), 0);
gtk_container_set_border_width(GTK_CONTAINER(limitFrame), 0);
gtk_container_set_border_width(GTK_CONTAINER(textureFrame), 0);
gtk_container_set_border_width(GTK_CONTAINER(ambientFrame), 0);
gtk_container_set_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);
GtkWidget* content_area = gtk_dialog_get_content_area(GTK_DIALOG(app->optionDialog));
gtk_container_add(GTK_CONTAINER(content_area), hbox);
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(G_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_box_pack_start(GTK_BOX(textureBox), textureSlider, TRUE, TRUE, 0);
g_signal_connect(G_OBJECT(textureSlider), "value-changed", G_CALLBACK(changeTextureResolution), app);
g_signal_connect(G_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, "delete-event",
G_CALLBACK(gtk_widget_hide_on_delete), GTK_WIDGET(app->optionDialog));
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_activatable_set_related_action(GTK_ACTIVATABLE(w), action);
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_activatable_set_related_action(GTK_ACTIVATABLE(w), action);
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);
}
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