1 files changed, 73 insertions, 0 deletions

diff --git a/window_main.c b/window_main.c
index bca438a..57c8885 100644
--- a/window_main.c
+++ b/window_main.c
@@ -1,10 +1,18 @@
 #include <string.h>
 
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
 #include "window_main.h"
 #include "walls_ui.h"
 #include "db.h"
 #include "walls_model.h"
 
+GdkPixbuf *pixbuf = NULL;
+
+GtkImage *image = NULL;
+
+void on_filetree_selection_changed(GtkTreeSelection *treeselection, gpointer user_data);
+
 inline static void filetree_create_model(GtkTreeView *filetree) {
 	GtkTreeModel *tree_model;
 
@@ -15,6 +23,7 @@ inline static void filetree_create_model(GtkTreeView *filetree) {
 inline static void filetree_init(GtkTreeView *filetree) {
 	GtkTreeViewColumn *col1, *col2, *col3, *col4;
 	GtkCellRenderer *renderer;
+	GtkTreeSelection *selection;
 
 	col1 = gtk_tree_view_column_new();
 	gtk_tree_view_column_set_title(col1, "Name");
@@ -49,6 +58,68 @@ inline static void filetree_init(GtkTreeView *filetree) {
 	gtk_tree_view_column_add_attribute(col4, renderer, "text", 3);
 
 	filetree_create_model(filetree);
+
+	selection = gtk_tree_view_get_selection(filetree);
+	g_signal_connect(selection, "changed", G_CALLBACK(on_filetree_selection_changed), filetree);
+}
+
+static void load_pixbuf(struct wallpaper_t *wall) {
+	GdkPixbuf *pb, *pb2;
+	GError *error = NULL;
+	GdkWindow *window;
+	gint win_width, win_height, img_width, img_height, width, height;
+	gdouble scalex, scaley, width_ratio, height_ratio, max_ratio;
+
+	pb = gdk_pixbuf_new_from_file(wall->filepath, &error);
+	if(!pb) {
+		g_warning("%s", error->message);
+		g_free(error);
+		return;
+	}
+
+	window = gtk_widget_get_window(GTK_WIDGET(image));
+	gdk_drawable_get_size(window, &win_width, &win_height);
+	img_width = gdk_pixbuf_get_width(pb);
+	img_height = gdk_pixbuf_get_height(pb);
+
+	/* do we need to resize? */
+	if(img_width > win_width || img_height > win_height) {
+		/* resize by width */
+		width_ratio = (gdouble)img_width / (gdouble)win_width;
+		height_ratio = (gdouble)img_height / (gdouble)win_height;
+		if(width_ratio > height_ratio) {
+			width = win_width;
+			height = (gint)(1.0 / width_ratio * img_height);
+			scalex = (gdouble)width / (gdouble)img_width;
+			scaley = (gdouble)height / (gdouble)img_height;
+		} else { /* resize by height */
+			height = win_height;
+			width = (gint)(1.0 / height_ratio * img_width);
+			scalex = (gdouble)width / (gdouble)img_width;
+			scaley = (gdouble)height / (gdouble)img_height;
+		}
+		pb2 = pb;
+		pb = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, width, height);
+		gdk_pixbuf_scale(pb2, pb, 0, 0, width, height, 0, 0, scalex, scaley, GDK_INTERP_BILINEAR);
+		gdk_pixbuf_unref(pb2);
+	}
+
+	//gtk_image_set_from_file(image, wall->filepath);
+	gtk_image_set_from_pixbuf(image, pb);
+	gdk_pixbuf_unref(pb);
+}
+
+void on_filetree_selection_changed(GtkTreeSelection *treeselection, gpointer user_data) {
+	GtkTreeModel *model;
+	GtkTreeIter iter;
+	struct wallpaper_t *wall;
+
+	if(gtk_tree_selection_get_selected(treeselection, &model, &iter)) {
+		if(walls_model_get_record_type(model, &iter) == WALLS_MODEL_TYPE_WALL) {
+			walls_model_get_wall_record(model, &iter, &wall);
+			load_pixbuf(wall);
+		}
+	}
 }
 
 int gui_main(int argc, char **argv) {
@@ -75,6 +146,8 @@ int gui_main(int argc, char **argv) {
 	filetree = GTK_WIDGET(gtk_builder_get_object(builder, "filetree"));
 	filetree_init(GTK_TREE_VIEW(filetree));
 
+	image = GTK_IMAGE(gtk_builder_get_object(builder, "image"));
+
 	gtk_builder_connect_signals(builder, NULL);
 	
 	g_object_unref(G_OBJECT(builder));