vmap/plugins/prtview/ConfigDialog.cpp

/*
   PrtView plugin for GtkRadiant
   Copyright (C) 2001 Geoffrey Dewan, Loki software and qeradiant.com

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   This library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "ConfigDialog.h"
#include <stdio.h>
#include <gtk/gtk.h>
#include <uilib/uilib.h>
#include "gtkutil/pointer.h"

#include "iscenegraph.h"

#include "prtview.h"
#include "portals.h"

static void dialog_button_callback(ui::Widget widget, gpointer data)
{
	int *loop, *ret;

	auto parent = widget.window();
	loop = (int *) g_object_get_data(G_OBJECT(parent), "loop");
	ret = (int *) g_object_get_data(G_OBJECT(parent), "ret");

	*loop = 0;
	*ret = gpointer_to_int(data);
}

static gint dialog_delete_callback(ui::Widget widget, GdkEvent *event, gpointer data)
{
	widget.hide();
	int *loop = (int *) g_object_get_data(G_OBJECT(widget), "loop");
	*loop = 0;
	return TRUE;
}

// =============================================================================
// Color selection dialog

static int DoColor(PackedColour *c)
{
	GdkColor clr;
	int loop = 1, ret = IDCANCEL;

	clr.red = (guint16) (GetRValue(*c) * (65535 / 255));
	clr.blue = (guint16) (GetGValue(*c) * (65535 / 255));
	clr.green = (guint16) (GetBValue(*c) * (65535 / 255));

	auto dlg = ui::Widget::from(gtk_color_selection_dialog_new("Choose Color"));
	gtk_color_selection_set_current_color(
		GTK_COLOR_SELECTION(gtk_color_selection_dialog_get_color_selection(GTK_COLOR_SELECTION_DIALOG(dlg))), &clr);
	dlg.connect("delete_event", G_CALLBACK(dialog_delete_callback), NULL);
	dlg.connect("destroy", G_CALLBACK(gtk_widget_destroy), NULL);

	GtkWidget *ok_button, *cancel_button;
	g_object_get(dlg, "ok-button", &ok_button, "cancel-button", &cancel_button, nullptr);

	ui::Widget::from(ok_button).connect("clicked", G_CALLBACK(dialog_button_callback), GINT_TO_POINTER(IDOK));
	ui::Widget::from(cancel_button).connect("clicked", G_CALLBACK(dialog_button_callback), GINT_TO_POINTER(IDCANCEL));
	g_object_set_data(G_OBJECT(dlg), "loop", &loop);
	g_object_set_data(G_OBJECT(dlg), "ret", &ret);

	dlg.show();
	gtk_grab_add(dlg);

	while (loop) {
		gtk_main_iteration();
	}

	gtk_color_selection_get_current_color(
		GTK_COLOR_SELECTION(gtk_color_selection_dialog_get_color_selection(GTK_COLOR_SELECTION_DIALOG(dlg))), &clr);

	gtk_grab_remove(dlg);
	dlg.destroy();

	if (ret == IDOK) {
		*c = RGB(clr.red / (65535 / 255), clr.green / (65535 / 255), clr.blue / (65535 / 255));
	}

	return ret;
}

static void Set2DText(ui::Widget label)
{
	char s[40];

	sprintf(s, "Line Width = %6.3f", portals.width_2d * 0.5f);

	gtk_label_set_text(GTK_LABEL(label), s);
}

static void Set3DText(ui::Widget label)
{
	char s[40];

	sprintf(s, "Line Width = %6.3f", portals.width_3d * 0.5f);

	gtk_label_set_text(GTK_LABEL(label), s);
}

static void Set3DTransText(ui::Widget label)
{
	char s[40];

	sprintf(s, "Polygon transparency = %d%%", (int) portals.trans_3d);

	gtk_label_set_text(GTK_LABEL(label), s);
}

static void SetClipText(ui::Widget label)
{
	char s[40];

	sprintf(s, "Cubic clip range = %d", (int) portals.clip_range * 64);

	gtk_label_set_text(GTK_LABEL(label), s);
}

static void OnScroll2d(ui::Adjustment adj, gpointer data)
{
	portals.width_2d = static_cast<float>( gtk_adjustment_get_value(adj));
	Set2DText(ui::Widget::from(data));

	Portals_shadersChanged();
	SceneChangeNotify();
}

static void OnScroll3d(ui::Adjustment adj, gpointer data)
{
	portals.width_3d = static_cast<float>( gtk_adjustment_get_value(adj));
	Set3DText(ui::Widget::from(data));

	SceneChangeNotify();
}

static void OnScrollTrans(ui::Adjustment adj, gpointer data)
{
	portals.trans_3d = static_cast<float>( gtk_adjustment_get_value(adj));
	Set3DTransText(ui::Widget::from(data));

	SceneChangeNotify();
}

static void OnScrollClip(ui::Adjustment adj, gpointer data)
{
	portals.clip_range = static_cast<float>( gtk_adjustment_get_value(adj));
	SetClipText(ui::Widget::from(data));

	SceneChangeNotify();
}

static void OnAntiAlias2d(ui::Widget widget, gpointer data)
{
	portals.aa_2d = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)) ? true : false;

	Portals_shadersChanged();

	SceneChangeNotify();
}

static void OnConfig2d(ui::Widget widget, gpointer data)
{
	portals.show_2d = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)) ? true : false;

	SceneChangeNotify();
}

static void OnColor2d(ui::Widget widget, gpointer data)
{
	if (DoColor(&portals.color_2d) == IDOK) {
		Portals_shadersChanged();

		SceneChangeNotify();
	}
}

static void OnConfig3d(ui::Widget widget, gpointer data)
{
	portals.show_3d = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)) ? true : false;

	SceneChangeNotify();
}


static void OnAntiAlias3d(ui::Widget widget, gpointer data)
{
	portals.aa_3d = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)) ? true : false;

	Portals_shadersChanged();
	SceneChangeNotify();
}

static void OnColor3d(ui::Widget widget, gpointer data)
{
	if (DoColor(&portals.color_3d) == IDOK) {
		Portals_shadersChanged();

		SceneChangeNotify();
	}
}

static void OnColorFog(ui::Widget widget, gpointer data)
{
	if (DoColor(&portals.color_fog) == IDOK) {
		Portals_shadersChanged();

		SceneChangeNotify();
	}
}

static void OnFog(ui::Widget widget, gpointer data)
{
	portals.fog = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)) ? true : false;

	Portals_shadersChanged();
	SceneChangeNotify();
}

static void OnSelchangeZbuffer(ui::Widget widget, gpointer data)
{
	portals.zbuffer = gpointer_to_int(data);

	Portals_shadersChanged();
	SceneChangeNotify();
}

static void OnPoly(ui::Widget widget, gpointer data)
{
	portals.polygons = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));

	SceneChangeNotify();
}

static void OnLines(ui::Widget widget, gpointer data)
{
	portals.lines = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));

	SceneChangeNotify();
}

static void OnClip(ui::Widget widget, gpointer data)
{
	portals.clip = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)) ? true : false;

	SceneChangeNotify();
}

void DoConfigDialog()
{
	int loop = 1, ret = IDCANCEL;

	auto dlg = ui::Window(ui::window_type::TOP);
	gtk_window_set_title(dlg, "Portal Viewer Configuration");
	dlg.connect("delete_event",
	            G_CALLBACK(dialog_delete_callback), NULL);
	dlg.connect("destroy",
	            G_CALLBACK(gtk_widget_destroy), NULL);
	g_object_set_data(G_OBJECT(dlg), "loop", &loop);
	g_object_set_data(G_OBJECT(dlg), "ret", &ret);

	auto vbox = ui::VBox(FALSE, 5);
	vbox.show();
	dlg.add(vbox);
	gtk_container_set_border_width(GTK_CONTAINER(vbox), 5);

	auto frame = ui::Frame("3D View");
	frame.show();
	vbox.pack_start(frame, TRUE, TRUE, 0);

	auto vbox2 = ui::VBox(FALSE, 5);
	vbox2.show();
	frame.add(vbox2);
	gtk_container_set_border_width(GTK_CONTAINER(vbox2), 5);

	auto hbox = ui::HBox(FALSE, 5);
	hbox.show();
	vbox2.pack_start(hbox, TRUE, TRUE, 0);

	auto adj = ui::Adjustment(portals.width_3d, 2, 40, 1, 1, 0);
	auto lw3slider = ui::HScale(adj);
	lw3slider.show();
	hbox.pack_start(lw3slider, TRUE, TRUE, 0);
	gtk_scale_set_draw_value(GTK_SCALE(lw3slider), FALSE);

	auto lw3label = ui::Label("");
	lw3label.show();
	hbox.pack_start(lw3label, FALSE, TRUE, 0);
	adj.connect("value_changed", G_CALLBACK(OnScroll3d), lw3label);

	auto table = ui::Table(2, 4, FALSE);
	table.show();
	vbox2.pack_start(table, TRUE, TRUE, 0);
	gtk_table_set_row_spacings(table, 5);
	gtk_table_set_col_spacings(table, 5);

	auto button = ui::Button("Color");
	button.show();
	table.attach(button, {0, 1, 0, 1}, {GTK_FILL, 0});
	button.connect("clicked", G_CALLBACK(OnColor3d), NULL);

	button = ui::Button("Depth Color");
	button.show();
	table.attach(button, {0, 1, 1, 2}, {GTK_FILL, 0});
	button.connect("clicked", G_CALLBACK(OnColorFog), NULL);

	auto aa3check = ui::CheckButton("Anti-Alias (May not work on some video cards)");
	aa3check.show();
	table.attach(aa3check, {1, 4, 0, 1}, {GTK_EXPAND | GTK_FILL, 0});
	aa3check.connect("toggled", G_CALLBACK(OnAntiAlias3d), NULL);

	auto depthcheck = ui::CheckButton("Depth Cue");
	depthcheck.show();
	table.attach(depthcheck, {1, 2, 1, 2}, {GTK_EXPAND | GTK_FILL, 0});
	depthcheck.connect("toggled", G_CALLBACK(OnFog), NULL);

	auto linescheck = ui::CheckButton("Lines");
	linescheck.show();
	table.attach(linescheck, {2, 3, 1, 2}, {GTK_EXPAND | GTK_FILL, 0});
	linescheck.connect("toggled", G_CALLBACK(OnLines), NULL);

	auto polyscheck = ui::CheckButton("Polygons");
	polyscheck.show();
	table.attach(polyscheck, {3, 4, 1, 2}, {GTK_EXPAND | GTK_FILL, 0});
	polyscheck.connect("toggled", G_CALLBACK(OnPoly), NULL);

	auto zlist = ui::ComboBoxText(ui::New);
	zlist.show();
	vbox2.pack_start(zlist, TRUE, FALSE, 0);

	gtk_combo_box_text_append_text(zlist, "Z-Buffer Test and Write (recommended for solid or no polygons)");
	gtk_combo_box_text_append_text(zlist, "Z-Buffer Test Only (recommended for transparent polygons)");
	gtk_combo_box_text_append_text(zlist, "Z-Buffer Off");

	zlist.connect("changed", G_CALLBACK(+[] (ui::ComboBox self, void *) {
		OnSelchangeZbuffer(self, GINT_TO_POINTER(gtk_combo_box_get_active(self)));
	}), nullptr);

	table = ui::Table(2, 2, FALSE);
	table.show();
	vbox2.pack_start(table, TRUE, TRUE, 0);
	gtk_table_set_row_spacings(table, 5);
	gtk_table_set_col_spacings(table, 5);

	adj = ui::Adjustment(portals.trans_3d, 0, 100, 1, 1, 0);
	auto transslider = ui::HScale(adj);
	transslider.show();
	table.attach(transslider, {0, 1, 0, 1}, {GTK_EXPAND | GTK_FILL, 0});
	gtk_scale_set_draw_value(GTK_SCALE(transslider), FALSE);

	auto translabel = ui::Label("");
	translabel.show();
	table.attach(translabel, {1, 2, 0, 1}, {GTK_FILL, 0});
	gtk_misc_set_alignment(GTK_MISC(translabel), 0.0, 0.0);
	adj.connect("value_changed", G_CALLBACK(OnScrollTrans), translabel);

	adj = ui::Adjustment(portals.clip_range, 1, 128, 1, 1, 0);
	auto clipslider = ui::HScale(adj);
	clipslider.show();
	table.attach(clipslider, {0, 1, 1, 2}, {GTK_EXPAND | GTK_FILL, 0});
	gtk_scale_set_draw_value(GTK_SCALE(clipslider), FALSE);

	auto cliplabel = ui::Label("");
	cliplabel.show();
	table.attach(cliplabel, {1, 2, 1, 2}, {GTK_FILL, 0});
	gtk_misc_set_alignment(GTK_MISC(cliplabel), 0.0, 0.0);
	adj.connect("value_changed", G_CALLBACK(OnScrollClip), cliplabel);

	hbox = ui::HBox(TRUE, 5);
	hbox.show();
	vbox2.pack_start(hbox, TRUE, FALSE, 0);

	auto show3check = ui::CheckButton("Show");
	show3check.show();
	hbox.pack_start(show3check, TRUE, TRUE, 0);
	show3check.connect("toggled", G_CALLBACK(OnConfig3d), NULL);

	auto portalcheck = ui::CheckButton("Portal cubic clipper");
	portalcheck.show();
	hbox.pack_start(portalcheck, TRUE, TRUE, 0);
	portalcheck.connect("toggled", G_CALLBACK(OnClip), NULL);

	frame = ui::Frame("2D View");
	frame.show();
	vbox.pack_start(frame, TRUE, TRUE, 0);

	vbox2 = ui::VBox(FALSE, 5);
	vbox2.show();
	frame.add(vbox2);
	gtk_container_set_border_width(GTK_CONTAINER(vbox2), 5);

	hbox = ui::HBox(FALSE, 5);
	hbox.show();
	vbox2.pack_start(hbox, TRUE, FALSE, 0);

	adj = ui::Adjustment(portals.width_2d, 2, 40, 1, 1, 0);
	auto lw2slider = ui::HScale(adj);
	lw2slider.show();
	hbox.pack_start(lw2slider, TRUE, TRUE, 0);
	gtk_scale_set_draw_value(GTK_SCALE(lw2slider), FALSE);

	auto lw2label = ui::Label("");
	lw2label.show();
	hbox.pack_start(lw2label, FALSE, TRUE, 0);
	adj.connect("value_changed", G_CALLBACK(OnScroll2d), lw2label);

	hbox = ui::HBox(FALSE, 5);
	hbox.show();
	vbox2.pack_start(hbox, TRUE, FALSE, 0);

	button = ui::Button("Color");
	button.show();
	hbox.pack_start(button, FALSE, FALSE, 0);
	button.connect("clicked", G_CALLBACK(OnColor2d), NULL);
	button.dimensions(60, -1);

	auto aa2check = ui::CheckButton("Anti-Alias (May not work on some video cards)");
	aa2check.show();
	hbox.pack_start(aa2check, TRUE, TRUE, 0);
	aa2check.connect("toggled", G_CALLBACK(OnAntiAlias2d), NULL);

	hbox = ui::HBox(FALSE, 5);
	hbox.show();
	vbox2.pack_start(hbox, TRUE, FALSE, 0);

	auto show2check = ui::CheckButton("Show");
	show2check.show();
	hbox.pack_start(show2check, FALSE, FALSE, 0);
	show2check.connect("toggled", G_CALLBACK(OnConfig2d), NULL);

	hbox = ui::HBox(FALSE, 5);
	hbox.show();
	vbox.pack_start(hbox, FALSE, FALSE, 0);

	button = ui::Button("OK");
	button.show();
	hbox.pack_end(button, FALSE, FALSE, 0);
	button.connect("clicked",
	               G_CALLBACK(dialog_button_callback), GINT_TO_POINTER(IDOK));
	button.dimensions(60, -1);

	// initialize dialog
	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(show2check), portals.show_2d);
	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(aa2check), portals.aa_2d);
	Set2DText(lw2label);

	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(show3check), portals.show_3d);
	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(depthcheck), portals.fog);
	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(polyscheck), portals.polygons);
	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(linescheck), portals.lines);
	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(aa3check), portals.aa_3d);
	gtk_combo_box_set_active(zlist, portals.zbuffer);
	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(portalcheck), portals.clip);

	Set3DText(lw3label);
	Set3DTransText(translabel);
	SetClipText(cliplabel);

	gtk_grab_add(dlg);
	dlg.show();

	while (loop) {
		gtk_main_iteration();
	}

	gtk_grab_remove(dlg);
	dlg.destroy();
}