--- a/main.c	Thu Mar 04 19:20:41 2010 +0100
+++ b/main.c	Thu Mar 04 19:34:12 2010 +0100
@@ -1,6 +1,332 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+
 #include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+
+
+
+GtkWidget* cropper_window;
+char* image_filename;
+
+/* from interface.h */
+GtkWidget* create_cropper_window(void);
+GtkWidget* image_area;
+GdkPixbuf* image_buffer;
+
+int w, h, x, y;
+
+int image_width;
+int image_height;
+float inc = 0.3;
+float zoom = 1.0;
+
+/* from callbacks.h */
+double ratio;
+
+void crop(void);
+gboolean on_key_press(GtkWidget* window, GdkEventKey* pKey, gpointer userdata);
+void on_cropper_window_create(GtkObject* object, gpointer user_data);
+void on_cropper_window_destroy(GtkObject* object, gpointer user_data);
+
+
+
+
+
+#define GLADE_HOOKUP_OBJECT(component,widget,name) \
+  g_object_set_data_full(G_OBJECT(component), name, \
+    gtk_widget_ref(widget),(GDestroyNotify) gtk_widget_unref)
+
+#define GLADE_HOOKUP_OBJECT_NO_REF(component,widget,name) \
+  g_object_set_data(G_OBJECT(component), name, widget)
+
+
+/*
+ * This function returns a widget in a component created by Glade.
+ * Call it with the toplevel widget in the component (i.e. a window/dialog),
+ * or alternatively any widget in the component, and the name of the widget
+ * you want returned.
+ */
+GtkWidget*
+lookup_widget(GtkWidget* widget, const gchar* widget_name)
+{
+	GtkWidget* parent;
+	GtkWidget* found_widget;
+
+	for (;;) {
+		if (GTK_IS_MENU(widget)) {
+			parent = gtk_menu_get_attach_widget(GTK_MENU(widget));
+		} else {
+			parent = widget->parent;
+		}
+		if (!parent) {
+			parent = (GtkWidget*) g_object_get_data(G_OBJECT(widget), "GladeParentKey");
+		}
+		if (parent == NULL) {
+			break;
+		}
+		widget = parent;
+	}
+
+	found_widget = (GtkWidget*) g_object_get_data(G_OBJECT(widget), widget_name);
+	if (!found_widget) {
+		g_warning("Widget not found: %s", widget_name);
+	}
+	return found_widget;
+}
+
+
+
+GtkWidget*
+create_cropper_window(void)
+{
+  GtkWidget *cropper_window;
+  GtkWidget *dialog_vbox1;
+  GtkWidget *status;
+  GtkWidget *label1;
+  GtkWidget *label2;
+
+
+  cropper_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+  gtk_widget_set_name(cropper_window, "cropper_window");
+  gtk_container_set_border_width(GTK_CONTAINER(cropper_window), 6);
+  gtk_window_set_title(GTK_WINDOW(cropper_window), "cropper-0.2");
+
+  dialog_vbox1 = gtk_vbox_new(FALSE, 6);
+  gtk_widget_set_name(dialog_vbox1, "dialog_vbox1");
+  gtk_widget_show(dialog_vbox1);
+  gtk_container_add(GTK_CONTAINER(cropper_window), dialog_vbox1);
+
+
+  status = gtk_hbox_new(FALSE, 0);
+  gtk_widget_set_name(status, "status");
+  gtk_widget_show(status);
+  gtk_box_pack_end(GTK_BOX(dialog_vbox1), status, FALSE, FALSE, 0);
+
+  label1 = gtk_label_new("zoom:");
+  gtk_widget_set_name(label1, "label1");
+  gtk_widget_show(label1);
+  gtk_box_pack_start(GTK_BOX(status), label1, FALSE, FALSE, 0);
+
+  label2 = gtk_label_new("1.0");
+  gtk_widget_set_name(label2, "label2");
+  gtk_widget_show(label2);
+  gtk_box_pack_start(GTK_BOX(status), label2, FALSE, FALSE, 0);
+
+/* image_area */
+  image_buffer = gdk_pixbuf_new_from_file(image_filename, NULL);
+  image_area = gtk_image_new_from_pixbuf(image_buffer);
+
+  gtk_widget_set_name(image_area, "image_area");
+  gtk_widget_show(image_area);
+  gtk_box_pack_start(GTK_BOX(dialog_vbox1), image_area, TRUE, TRUE, 0);
+
+
+
+
+
+g_signal_connect(G_OBJECT(cropper_window), "show",
+                 G_CALLBACK(on_cropper_window_create), NULL);
+
+g_signal_connect(G_OBJECT(cropper_window), "destroy",
+                 G_CALLBACK(on_cropper_window_destroy), NULL);
+
+g_signal_connect(cropper_window, "key-press-event",
+                 G_CALLBACK(on_key_press), NULL);
+
+
+  /* Store pointers to all widgets, for use by lookup_widget(). */
+
+  GLADE_HOOKUP_OBJECT_NO_REF(cropper_window, cropper_window, "cropper_window");
+  GLADE_HOOKUP_OBJECT(cropper_window, dialog_vbox1, "dialog_vbox1");
+
+  GLADE_HOOKUP_OBJECT(cropper_window, label1, "label1");
+  GLADE_HOOKUP_OBJECT(cropper_window, label2, "label2");
+  GLADE_HOOKUP_OBJECT(cropper_window, status, "status");
+  GLADE_HOOKUP_OBJECT(cropper_window, image_area, "image_area");
+  GLADE_HOOKUP_OBJECT(cropper_window,(GtkWidget*) image_buffer, "image_buffer");
+
+
+  return cropper_window;
+}
+
+
+
+
+
+
+
+
 
-#include "main.h"
+
+
+
+
+
+
+
+
+
+
+
+
+void
+update_title(char* zoom)
+{
+	char title[128];
+	snprintf(title, 128, "cropper (%s) %dx%d+%d+%d", zoom, w, h, x, y);
+	gtk_window_set_title(GTK_WINDOW(cropper_window), title);
+}
+
+
+/* zoom */
+void
+set_zoom()
+{
+	static GdkPixbuf* pixbuf_new;
+	g_object_unref(pixbuf_new);
+
+	pixbuf_new = gdk_pixbuf_scale_simple(image_buffer, image_width*zoom, image_height*zoom,
+	                                     GDK_INTERP_BILINEAR);
+	gtk_image_set_from_pixbuf((GtkImage*) lookup_widget(cropper_window, "image_area"), pixbuf_new);
+}
+
+void
+on_zoom_in_button_clicked(GtkObject* object, gpointer user_data)
+{
+	zoom *= 1 + inc;
+	set_zoom();
+}
+
+void
+on_zoom_out_button_clicked(GtkObject* object, gpointer user_data)
+{
+	zoom *= 1 - inc;
+	set_zoom();
+}
+
+void
+on_zoom_100_button_clicked(GtkObject* object, gpointer user_data)
+{
+	zoom = 1.0;
+	set_zoom();
+}
+
+void
+on_zoom_fit_button_clicked(GtkObject* object, gpointer user_data)
+{
+	int w, h;
+	float zw, zh;
+	GtkWidget* image_a;
+
+	image_a = (GtkWidget*) lookup_widget(cropper_window, "image_area");
+	gdk_drawable_get_size(image_a->window, &w, &h);
+
+	zw = w*1.0 / image_width;
+	zh = h*1.0 / image_height;
+
+	zoom = (zw < zh) ? zw : zh;
+	set_zoom();
+}
+
+
+
+
+
+
+
+void
+crop(void)
+{
+	char crop_call[256];
+
+	sprintf(crop_call, "echo \"convert -crop %ix%i+%i+%i %s cropped_%s\"",
+		gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window,
+		                                 "crop_width_spinbutton")),
+		gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window,
+		                                 "crop_height_spinbutton")),
+		gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window,
+		                                 "crop_x_spinbutton")),
+		gtk_spin_button_get_value_as_int((GtkSpinButton*) lookup_widget(cropper_window,
+		                                 "crop_y_spinbutton")),
+		image_filename,
+		image_filename
+	);
+	system(crop_call);
+	gtk_main_quit();
+}
+
+
+void
+on_cropper_window_create(GtkObject* object, gpointer user_data)
+{
+	image_width = gdk_pixbuf_get_width(image_buffer);
+	image_height = gdk_pixbuf_get_height(image_buffer);
+
+	/*
+	image_buffer = gdk_pixbuf_new_from_file(image_filename, NULL);
+	image_area = gtk_image_new_from_pixbuf(image_buffer);
+
+	int w, h;
+	GtkWidget* image_a;
+
+	image_a = (GtkWidget*) lookup_widget(cropper_window, "image_area");
+	gdk_drawable_get_size(image_a->window, &w, &h);
+
+	image_width = w - 200;
+	image_height = h - 150;
+	set_zoom();
+	*/
+}
+
+void
+on_cropper_window_destroy(GtkObject* object, gpointer user_data)
+{
+	gtk_main_quit();
+}
+
+
+
+
+gboolean
+on_key_press(GtkWidget* window, GdkEventKey* pKey, gpointer userdata)
+{
+	if (pKey->type != GDK_KEY_PRESS) {
+		return FALSE;
+	}
+	switch (pKey->keyval) {
+	case GDK_q:
+		gtk_main_quit();
+		break;
+	case GDK_Return:
+		crop();
+		break;
+	case GDK_plus:
+		on_zoom_in_button_clicked(NULL, userdata);
+		break;
+	case GDK_minus:
+		on_zoom_out_button_clicked(NULL, userdata);
+		break;
+	case GDK_0:
+		on_zoom_100_button_clicked(NULL, userdata);
+		break;
+	case GDK_f:
+		on_zoom_fit_button_clicked(NULL, userdata);
+		break;
+	}
+	return TRUE;
+}
+
+
+
+
+
+
 
 
 int