X-Git-Url: https://git.draconx.ca/gitweb/liblbx.git/blobdiff_plain/56d402a0f11e7e4dd7f0ddf6882ace22c63d0a8c..c9a36d684a771ffa32aa22b3cb257d6c693eebb8:/src/gui/lbxgui.c

diff --git a/src/gui/lbxgui.c b/src/gui/lbxgui.c
index 6705d72..8321850 100644
--- a/src/gui/lbxgui.c
+++ b/src/gui/lbxgui.c
@@ -1,12 +1,317 @@
+/*
+ *  2ooM: The Master of Orion II Reverse Engineering Project
+ *  Graphical tool for inspecting LBX archives.
+ *  Copyright (C) 2010 Nick Bowler
+ *
+ *  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 <http://www.gnu.org/licenses/>.
+ */
+#include <config.h>
 #include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
 #include <gtk/gtk.h>
 
 #include "lbx.h"
+#include "image.h"
+#include "render.h"
+
+#include "bg.xbm"
+
+extern char lbxgui_xml[];
 
 static GtkTreeStore *archives;
 static GtkBuilder *builder;
 
-int load_archive(const char *path)
+static GtkWidget *canvas;
+static GdkGC     *bg_gc;
+
+static LBX_IMG *image;
+
+static GdkPixbuf *framebuf;
+
+void play_toggled(GtkToggleButton *button, gpointer data)
+{
+	gboolean active = gtk_toggle_button_get_active(button);
+	GtkWidget *spin;
+
+	if (active && !image) {
+		gtk_toggle_button_set_active(button, FALSE);
+		return;
+	}
+
+	spin = GTK_WIDGET(gtk_builder_get_object(builder, "framespin"));
+	gtk_widget_set_sensitive(spin, !active);
+
+	if (active) {
+		gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), 0);
+	}
+}
+
+void set_frame(GtkSpinButton *spin, gpointer data)
+{
+	unsigned frame = gtk_spin_button_get_value_as_int(spin);
+
+	if (image)
+		render_to_pixbuf(image, framebuf, frame);
+	gdk_window_invalidate_rect(canvas->window, NULL, FALSE);
+}
+
+static void redraw_image(void)
+{
+	GtkSpinButton *spin;
+
+	spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
+	set_frame(spin, NULL);
+}
+
+static void tick(void *p, double delta)
+{
+	static double elapsed = 0;
+	double seconds_per_frame = 1.0/15;
+	struct lbx_imginfo info;
+	GtkSpinButton   *spin;
+	GtkToggleButton *play;
+	unsigned frame;
+
+	if (!image)
+		return;
+
+	lbximg_getinfo(image, &info);
+	spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
+	play = GTK_TOGGLE_BUTTON(gtk_builder_get_object(builder, "playbutton"));
+
+	frame = gtk_spin_button_get_value_as_int(spin);
+	if (!gtk_toggle_button_get_active(play))
+		return;
+
+	elapsed += delta;
+	while (elapsed > seconds_per_frame) {
+		elapsed -= seconds_per_frame;
+
+		if (++frame >= info.nframes) {
+			if (!info.looping) {
+				gtk_toggle_button_set_active(play, FALSE);
+				break;
+			}
+
+			frame = info.loopstart;
+		}
+
+		gtk_spin_button_set_value(spin, frame);
+	}
+}
+
+static gboolean timeout(gpointer data)
+{
+	static double lasttime = INFINITY;
+	static GTimer *timer;
+
+	if (isinf(lasttime)) {
+		timer = g_timer_new();
+		if (timer) {
+			lasttime = 0;
+		}
+	} else {
+		double time = g_timer_elapsed(timer, NULL);
+
+		tick(data, time - lasttime);
+		lasttime = time;
+	}
+
+	return TRUE;
+}
+
+gboolean canvas_expose(GtkWidget *canvas, GdkEventExpose *event, gpointer data)
+{
+	if (!framebuf)
+		return FALSE;
+
+	gdk_draw_rectangle(canvas->window, bg_gc, TRUE,
+		event->area.x, event->area.y,
+		event->area.width, event->area.height);
+
+	gdk_draw_pixbuf(canvas->window, NULL, framebuf,
+		event->area.x, event->area.y, event->area.x, event->area.y,
+		event->area.width, event->area.height,
+		GDK_RGB_DITHER_NORMAL, 0, 0);
+
+	return TRUE;
+}
+
+static int alloc_framebuffer(LBX_IMG *image)
+{
+	struct lbx_imginfo info;
+	GtkSpinButton *spin;
+
+	if (framebuf)
+		g_object_unref(framebuf);
+
+	lbximg_getinfo(image, &info);
+	framebuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8,
+		info.width, info.height);
+	g_return_val_if_fail(framebuf, -1);
+
+	spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
+	gtk_spin_button_set_range(spin, 0, info.nframes-1);
+	gtk_spin_button_set_value(spin, 0);
+
+	gtk_widget_set_size_request(canvas, info.width, info.height);
+	return 0;
+}
+
+static int close_image(void *handle)
+{
+	lbx_file_close(handle);
+	return 0;
+}
+
+static LBX_IMG *
+load_lbx_image(LBX *archive, unsigned index)
+{
+	LBXfile *file;
+	LBX_IMG *image;
+
+	file = lbx_file_open(archive, index);
+	g_return_val_if_fail(file, NULL);
+
+	image = lbximg_open(file, &lbx_arch_fops, close_image);
+	if (!image)
+		lbx_file_close(file);
+	return image;
+}
+
+void set_override(GtkComboBox *combo)
+{
+	GtkTreeIter iter;
+	gpointer lbx;
+	guint    index;
+	LBX_IMG *img;
+
+	memset(palette_override, 0, sizeof palette_override);
+	if (!gtk_combo_box_get_active_iter(combo, &iter))
+		return;
+
+	gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
+		1, &lbx,
+		2, &index,
+		-1);
+
+	img = load_lbx_image(lbx, index);
+	if (img) {
+		lbximg_getpalette(img, palette_override);
+		lbximg_close(img);
+		redraw_image();
+	}
+}
+
+void set_palette(GtkComboBox *combo)
+{
+	GtkTreeIter iter;
+	gpointer lbx;
+	guint    index;
+	LBXfile  *f;
+
+	memset(palette_external, 0, sizeof palette_external);
+	if (!gtk_combo_box_get_active_iter(combo, &iter))
+		return;
+
+	gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
+		1, &lbx,
+		2, &index,
+		-1);
+
+	f = lbx_file_open(lbx, index);
+	if (f) {
+		if (lbximg_loadpalette(f, &lbx_arch_fops, palette_external))
+			memset(palette_external, 0, sizeof palette_external);
+		lbx_file_close(f);
+	}
+
+	redraw_image();
+}
+
+void set_image(GtkComboBox *combo)
+{
+	GtkTreeIter iter;
+	gpointer lbx;
+	guint    index;
+	LBX_IMG *img;
+
+	if (image) {
+		lbximg_close(image);
+		image = NULL;
+	}
+
+	gtk_widget_set_size_request(canvas, -1, -1);
+	memset(palette_internal, 0, sizeof palette_internal);
+	if (!gtk_combo_box_get_active_iter(combo, &iter))
+		return;
+
+	gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
+		1, &lbx,
+		2, &index,
+		-1);
+
+	img = load_lbx_image(lbx, index);
+	if (img) {
+		if (lbximg_getpalette(img, palette_internal) == -1) {
+			puts("crap");
+			lbximg_close(img);
+		}
+
+		if (alloc_framebuffer(img) == -1) {
+			puts("crap");
+			lbximg_close(img);
+		}
+	}
+
+	image = img;
+	redraw_image();
+}
+
+void set_background(GtkCheckMenuItem *item, gpointer data)
+{
+	GdkColor black = { .red = 0,      .green = 0,      .blue = 0      };
+	GdkColor dark  = { .red = 0x6666, .green = 0x6666, .blue = 0x6666 };
+	GdkColor light = { .red = 0x9999, .green = 0x9999, .blue = 0x9999 };
+
+	if (gtk_check_menu_item_get_active(item)) {
+		/* Enable stippled background. */
+		gdk_gc_set_rgb_fg_color(bg_gc, &dark);
+		gdk_gc_set_rgb_bg_color(bg_gc, &light);
+		gdk_gc_set_fill(bg_gc, GDK_OPAQUE_STIPPLED);
+	} else {
+		gdk_gc_set_rgb_fg_color(bg_gc, &black);
+		gdk_gc_set_fill(bg_gc, GDK_SOLID);
+	}
+	redraw_image();
+}
+
+void show_about(GtkWidget *widget)
+{
+	GtkWindow *parent = GTK_WINDOW(gtk_widget_get_toplevel(widget));
+
+	gtk_show_about_dialog(parent,
+		"name", g_get_application_name(),
+		"version", PACKAGE_VERSION,
+		"copyright", "Copyright \xc2\xa9 2010 Nick Bowler",
+		"website", "http://toom.sourceforge.net/",
+		NULL);
+}
+
+static int load_archive(const char *path)
 {
 	gchar *basename;
 	GtkTreeIter iter1, iter2;
@@ -19,7 +324,10 @@ int load_archive(const char *path)
 
 	basename = g_path_get_basename(path);
 	gtk_tree_store_append(archives, &iter1, NULL);
-	gtk_tree_store_set(archives, &iter1, 0, basename, -1);
+	gtk_tree_store_set(archives, &iter1,
+		0, basename,
+		1, (gpointer)lbx,
+		-1);
 	g_free(basename);
 
 	nfiles = lbx_numfiles(lbx);
@@ -28,22 +336,40 @@ int load_archive(const char *path)
 
 		lbx_stat(lbx, i, &stat);
 		gtk_tree_store_append(archives, &iter2, &iter1);
-		gtk_tree_store_set(archives, &iter2, 0, stat.name, -1);
+		gtk_tree_store_set(archives, &iter2,
+			0, stat.name,
+			1, (gpointer)lbx,
+			2, (guint)i,
+			-1);
 	}
 
-	lbx_close(lbx);
 	return 0;
 }
 
+static void load_error(const char *name, GtkWindow *window)
+{
+	GtkWidget *dialog;
+
+	dialog = gtk_message_dialog_new(window,
+		GTK_DIALOG_MODAL,
+		GTK_MESSAGE_ERROR,
+		GTK_BUTTONS_OK,
+		"Failed to open %s.  Decent error messages coming eventually.",
+		name);
+	gtk_dialog_run(GTK_DIALOG(dialog));
+	gtk_widget_destroy(dialog);
+}
+
 void open_archive(GtkWidget *widget)
 {
+	GtkWindow *window = GTK_WINDOW(gtk_widget_get_toplevel(widget));
 	GtkFileFilter *lbxfilter, *allfilter;
 	GtkFileChooser *chooser;
 	GtkTreeIter iter;
 
 	chooser = GTK_FILE_CHOOSER(gtk_file_chooser_dialog_new(
 		"Load Archive",
-		GTK_WINDOW(gtk_widget_get_toplevel(widget)),
+		window,
 		GTK_FILE_CHOOSER_ACTION_OPEN,
 		GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 		GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
@@ -52,6 +378,7 @@ void open_archive(GtkWidget *widget)
 	lbxfilter = gtk_file_filter_new();
 	gtk_file_filter_set_name(lbxfilter, "LBX Archives (*.lbx)");
 	gtk_file_filter_add_pattern(lbxfilter, "*.lbx");
+	gtk_file_filter_add_pattern(lbxfilter, "*.LBX");
 
 	allfilter = gtk_file_filter_new();
 	gtk_file_filter_set_name(allfilter, "All Files");
@@ -60,30 +387,83 @@ void open_archive(GtkWidget *widget)
 	gtk_file_chooser_add_filter(chooser, lbxfilter);
 	gtk_file_chooser_add_filter(chooser, allfilter);
 
-	if (gtk_dialog_run(GTK_DIALOG(chooser)) == GTK_RESPONSE_ACCEPT) {
+	while (gtk_dialog_run(GTK_DIALOG(chooser)) == GTK_RESPONSE_ACCEPT) {
 		gchar *name = gtk_file_chooser_get_filename(chooser);
-		load_archive(name);
 
+		if (load_archive(name) == 0) {
+			g_free(name);
+			break;
+		}
+
+		load_error(name, GTK_WINDOW(chooser));
 		g_free(name);
 	}
 
 	gtk_widget_destroy(GTK_WIDGET(chooser));
 }
 
-static void interface_init(void)
+static void clear_combobox(GtkEntry *entry, GtkEntryIconPosition pos,
+                           GdkEvent *event, gpointer data)
+{
+	GtkComboBox *combo = data;
+
+	gtk_entry_set_text(entry, "");
+	gtk_combo_box_set_active(combo, -1);
+	redraw_image();
+}
+
+static void init_combobox(GtkBuilder *builder, const char *name)
+{
+	GtkComboBox *combo;
+	GtkEntry *entry;
+
+	combo = GTK_COMBO_BOX(gtk_builder_get_object(builder, name));
+	gtk_combo_box_set_model(combo, GTK_TREE_MODEL(archives));
+	gtk_combo_box_entry_set_text_column(GTK_COMBO_BOX_ENTRY(combo), 0);
+
+	entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN(combo)));
+	g_signal_connect(G_OBJECT(entry), "icon-press",
+		G_CALLBACK(clear_combobox), combo);
+	gtk_entry_set_icon_from_stock(entry, GTK_ENTRY_ICON_SECONDARY,
+		GTK_STOCK_CLEAR);
+}
+
+static void init_interface(void)
 {
 	GtkTreeViewColumn *column;
 	GtkCellRenderer *renderer;
 	GtkTreeView *tree;
 
-	tree = GTK_TREE_VIEW(gtk_builder_get_object(builder, "treeview"));
-	gtk_tree_view_set_model(tree, GTK_TREE_MODEL(archives));
-
 	renderer = gtk_cell_renderer_text_new();
 	column = gtk_tree_view_column_new();
 	gtk_tree_view_column_pack_start(column, renderer, TRUE);
 	gtk_tree_view_column_add_attribute(column, renderer, "text", 0);
+
+	tree = GTK_TREE_VIEW(gtk_builder_get_object(builder, "treeview"));
+	gtk_tree_view_set_model(tree, GTK_TREE_MODEL(archives));
 	gtk_tree_view_append_column(tree, column);
+
+	init_combobox(builder, "palettechooser");
+	init_combobox(builder, "imagechooser");
+	init_combobox(builder, "overchooser");
+}
+
+static void init_background(GdkDrawable *drawable)
+{
+	GtkWidget *check;
+	GdkBitmap *bitmap;
+
+	bg_gc = gdk_gc_new(canvas->window);
+
+	bitmap = gdk_bitmap_create_from_data(drawable, bg_bits,
+		bg_width, bg_height);
+
+	gdk_gc_set_stipple(bg_gc, bitmap);
+	gdk_gc_set_ts_origin(bg_gc, 0, 0);
+
+	check = GTK_WIDGET(gtk_builder_get_object(builder, "menu-background"));
+	gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(check), TRUE);
+	set_background(GTK_CHECK_MENU_ITEM(check), NULL);
 }
 
 int main(int argc, char **argv)
@@ -96,20 +476,26 @@ int main(int argc, char **argv)
 		return EXIT_FAILURE;
 	}
 
-	archives = gtk_tree_store_new(1, G_TYPE_STRING);
+	archives = gtk_tree_store_new(3,
+		G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_UINT);
 	while (*argv)
 		load_archive(*argv++);
 
 	builder = gtk_builder_new();
-	if (!gtk_builder_add_from_file(builder, "src/gui/lbxgui.glade", &err)) {
+	if (!gtk_builder_add_from_string(builder, lbxgui_xml, -1, &err)) {
 		fprintf(stderr, "%s\n", err->message);
 		return EXIT_FAILURE;
 	}
 
 	window = GTK_WIDGET(gtk_builder_get_object(builder, "mainwindow"));
+	canvas = GTK_WIDGET(gtk_builder_get_object(builder, "canvas"));
 
-	interface_init();
+	init_interface();
 	gtk_builder_connect_signals(builder, window);
+
+	g_timeout_add(10, timeout, NULL);
 	gtk_widget_show_all(window);
+
+	init_background(canvas->window);
 	gtk_main();
 }