important Bugfix. Flipping direction in LaTeX renderer fixed

CMakeLists.txt

@@ -27,6 +27,7 @@ set(SOURCE
   ${LATEX_SOURCES}
 )
 
+add_compile_options(-Wall)
 
 add_executable(${PROJECT_NAME} ${SOURCE} ${CMAKE_CURRENT_BINARY_DIR}/glade/resources.c)
 add_dependencies(${PROJECT_NAME} glib-resources)

gds-parser/gds-parser.c

@@ -59,6 +59,7 @@ enum record {
 	BOX = 0x2D00,
 	LAYER = 0x0D02,
 	WIDTH = 0x0F03,
+	PATHTYPE = 0x2102
 };
 
 static int name_cell_ref(struct gds_cell_instance *cell_inst,
@@ -189,7 +190,8 @@ static GList *append_graphics(GList *curr_list, enum graphics_type type,
 		gfx->layer = 0;
 		gfx->vertices = NULL;
 		gfx->width_absolute = 0;
-		gfx->type = type;
+		gfx->gfx_type = type;
+		gfx->path_render_type = PATH_FLUSH;
 	} else
 		return NULL;
 
@@ -347,6 +349,9 @@ void scan_library_references(gpointer library_list_item, gpointer user)
 
 void gds_parse_date(const char *buffer, int length, struct gds_time_field *mod_date, struct gds_time_field *access_date)
 {
+
+	struct gds_time_field *temp_date;
+
 	if (!access_date || !mod_date) {
 		GDS_WARN("Date structures invalid");
 		return;
@@ -357,37 +362,28 @@ void gds_parse_date(const char *buffer, int length, struct gds_time_field *mod_d
 		return;
 	}
 
-	mod_date->year = gds_convert_unsigend_int16(buffer);
+	for (temp_date = mod_date; 1; temp_date = access_date) {
-	buffer += 2;
+		temp_date->year = gds_convert_unsigend_int16(buffer);
-	mod_date->month = gds_convert_unsigend_int16(buffer);
+		buffer += 2;
-	buffer += 2;
+		temp_date->month = gds_convert_unsigend_int16(buffer);
-	mod_date->day = gds_convert_unsigend_int16(buffer);
+		buffer += 2;
-	buffer += 2;
+		temp_date->day = gds_convert_unsigend_int16(buffer);
-	mod_date->hour = gds_convert_unsigend_int16(buffer);
+		buffer += 2;
-	buffer += 2;
+		temp_date->hour = gds_convert_unsigend_int16(buffer);
-	mod_date->minute = gds_convert_unsigend_int16(buffer);
+		buffer += 2;
-	buffer += 2;
+		temp_date->minute = gds_convert_unsigend_int16(buffer);
-	mod_date->second = gds_convert_unsigend_int16(buffer);
+		buffer += 2;
-	buffer += 2;
+		temp_date->second = gds_convert_unsigend_int16(buffer);
-
+		buffer += 2;
-	access_date->year = gds_convert_unsigend_int16(buffer);
-	buffer += 2;
-	access_date->month = gds_convert_unsigend_int16(buffer);
-	buffer += 2;
-	access_date->day = gds_convert_unsigend_int16(buffer);
-	buffer += 2;
-	access_date->hour = gds_convert_unsigend_int16(buffer);
-	buffer += 2;
-	access_date->minute = gds_convert_unsigend_int16(buffer);
-	buffer += 2;
-	access_date->second = gds_convert_unsigend_int16(buffer);
-
 
+		if (temp_date == access_date)
+			break;
+	}
 }
 
 int parse_gds_from_file(const char *filename, GList **library_list)
 {
-	char workbuff[1024];
+	char *workbuff;
 	int read;
 	int i;
 	int run = 1;
@@ -404,8 +400,14 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 
 	lib_list = *library_list;
 
+	/* Allocate working buffer */
+	workbuff = (char *)malloc(sizeof(char)*128*1024);
+
+	if(!workbuff)
+		return -100;
+
 	/* open File */
-	gds_file = fopen(filename, "r");
+	gds_file = fopen(filename, "rb");
 	if (gds_file == NULL) {
 		GDS_ERROR("Could not open File %s", filename);
 		return -1;
@@ -428,8 +430,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 			break;
 		}
 
-		rec_data_length = (uint16_t)((((uint16_t)(workbuff[0])) << 8) |
+		rec_data_length = gds_convert_unsigend_int16(workbuff);
-				(uint16_t)(workbuff[1]));
 
 		if (rec_data_length < 4) {
 			/* Possible Zero-Padding: */
@@ -452,8 +453,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 			GDS_ERROR("Unexpected end of file");
 			break;
 		}
-		rec_type = (uint16_t)((((uint16_t)(workbuff[0])) << 8) |
+		rec_type = gds_convert_unsigend_int16(workbuff);
-				(uint16_t)(workbuff[1]));
 
 		/* if begin: Allocate structures */
 		switch (rec_type) {
@@ -557,7 +557,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 		case ENDEL:
 			if (current_graphics != NULL) {
 
-				printf("\tLeaving %s\n", (current_graphics->type == GRAPHIC_POLYGON ? "boundary" : "path"));
+				printf("\tLeaving %s\n", (current_graphics->gfx_type == GRAPHIC_POLYGON ? "boundary" : "path"));
 				current_graphics = NULL;
 			}
 			if (current_s_reference != NULL) {
@@ -583,6 +583,8 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 			break;
 		case WIDTH:
 			break;
+		case PATHTYPE:
+			break;
 		default:
 			//GDS_WARN("Record: %04x, len: %u", (unsigned int)rec_type, (unsigned int)rec_data_length);
 			break;
@@ -595,12 +597,26 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 		read = fread(workbuff, sizeof(char), rec_data_length, gds_file);
 
 		if (read != rec_data_length) {
-			GDS_ERROR("Could not read enough data");
+			GDS_ERROR("Could not read enough data: requested: %u, read: %u | Type: 0x%04x\n",
+				  (unsigned int)rec_data_length, (unsigned int)read, (unsigned int)rec_type);
 			run = -5;
 			break;
 		}
 
 		switch (rec_type) {
+
+		case HEADER:
+		case UNITS:
+		case ENDLIB:
+		case ENDSTR:
+		case BOUNDARY:
+		case PATH:
+		case SREF:
+		case ENDEL:
+		case BOX:
+		case INVALID:
+			break;
+
 		case BGNLIB:
 			/* Parse date record */
 			gds_parse_date(workbuff, read, &current_lib->mod_time, &current_lib->access_time);
@@ -688,6 +704,18 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 				printf("\t\tAngle defined: %lf\n", current_s_reference->angle);
 			}
 			break;
+		case PATHTYPE:
+			if (current_graphics == NULL) {
+				GDS_WARN("Path type defined outside of path. Ignoring");
+				break;
+			}
+			if (current_graphics->gfx_type == GRAPHIC_PATH) {
+				current_graphics->path_render_type = (int)gds_convert_signed_int16(workbuff);
+				printf("\t\tPathtype: %d\n", current_graphics->path_render_type);
+			} else {
+				GDS_WARN("Path type defined inside non-path graphics object. Ignoring");
+			}
+			break;
 
 		}
 
@@ -696,10 +724,15 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 	fclose(gds_file);
 
 
-	/* Iterate and find references to cells */
+	if (!run) {
-	g_list_foreach(lib_list, scan_library_references, NULL);
+		/* Iterate and find references to cells */
+		g_list_foreach(lib_list, scan_library_references, NULL);
+	}
 
 	*library_list = lib_list;
+
+	free(workbuff);
+
 	return run;
 }
 

gds-parser/gds-types.h

@@ -7,54 +7,55 @@
 #define CELL_NAME_MAX (100)
 
 enum graphics_type {GRAPHIC_PATH = 0, GRAPHIC_POLYGON = 1};
+enum path_type {PATH_FLUSH = 0, PATH_ROUNDED = 1, PATH_SQUARED = 2};
 
 struct gds_time_field {
-                uint16_t year;
+		uint16_t year;
-                uint16_t month;
+		uint16_t month;
-                uint16_t day;
+		uint16_t day;
-                uint16_t hour;
+		uint16_t hour;
-                uint16_t minute;
+		uint16_t minute;
-                uint16_t second;
+		uint16_t second;
 };
 
 struct gds_point {
-                int x;
+		int x;
-                int y;
+		int y;
 };
 
 struct gds_graphics {
-                enum graphics_type type;
+		enum graphics_type gfx_type;
-                GList *vertices;
+		GList *vertices;
-                unsigned int path_width;
+		enum path_type path_render_type;
-                int width_absolute;
+		int width_absolute;
-                int16_t layer;
+		int16_t layer;
-                uint16_t datatype;
+		uint16_t datatype;
 };
 
 struct gds_cell_instance {
-                char ref_name[CELL_NAME_MAX];
+		char ref_name[CELL_NAME_MAX];
-                struct gds_cell *cell_ref;
+		struct gds_cell *cell_ref;
-                struct gds_point origin;
+		struct gds_point origin;
-                int flipped;
+		int flipped;
-                double angle;
+		double angle;
-                double magnification;
+		double magnification;
 };
 
 struct gds_cell {
-                char name[CELL_NAME_MAX];
+		char name[CELL_NAME_MAX];
-                struct gds_time_field mod_time;
+		struct gds_time_field mod_time;
-                struct gds_time_field access_time;
+		struct gds_time_field access_time;
-                GList *child_cells;
+		GList *child_cells;
-                GList *graphic_objs;
+		GList *graphic_objs;
 };
 
 struct gds_library {
-                char name[CELL_NAME_MAX];
+		char name[CELL_NAME_MAX];
-                struct gds_time_field mod_time;
+		struct gds_time_field mod_time;
-                struct gds_time_field access_time;
+		struct gds_time_field access_time;
-                double unit_to_meters;
+		double unit_to_meters;
-                GList *cells;
+		GList *cells;
-                GList *cell_names;
+		GList *cell_names;
 };
 
 #endif /* __GDS_TYPES_H__ */

glade/main.glade

@@ -6,7 +6,6 @@
     <property name="height_request">250</property>
     <property name="visible">True</property>
     <property name="can_focus">False</property>
-    <signal name="delete-event" handler="on_window_close" swapped="no"/>
     <child type="titlebar">
       <object class="GtkHeaderBar">
         <property name="name">header</property>

latex-output/latex-output.c

@@ -18,6 +18,7 @@
  */
 
 #include "latex-output.h"
+#include <math.h>
 
 #define WRITEOUT_BUFFER(buff) fwrite((buff)->str, sizeof(char), (buff)->len, tex_file)
 
@@ -70,7 +71,8 @@ static gboolean write_layer_env(FILE *tex_file, GdkRGBA *color, int layer, GList
 			color->red = inf->color.red;
 			color->green = inf->color.green;
 			color->blue = inf->color.blue;
-			g_string_printf(buffer, "\\begin{pgfonlayer}{l%d}\n\\begin{scope}[ocg={ref=%d, status=visible,name=%d}]\n", layer, layer, layer);
+			g_string_printf(buffer, "\\begin{pgfonlayer}{l%d}\n\\ifcreatepdflayers\n\\begin{scope}[ocg={ref=%d, status=visible,name={%s}}]\n\\fi]\n",
+					layer, layer, inf->name);
 			WRITEOUT_BUFFER(buffer);
 			return TRUE;
 		}
@@ -86,17 +88,14 @@ static void generate_graphics(FILE *tex_file, GList *graphics, GList *linfo, GSt
 	struct gds_graphics *gfx;
 	struct gds_point *pt;
 	GdkRGBA color;
-	int width;
+	static const char *line_caps[] = {"butt", "round", "rect"};
-	gchar *red, *green, *blue, *opacity;
 
 	for (temp = graphics; temp != NULL; temp = temp->next) {
 		gfx = (struct gds_graphics *)temp->data;
 		if (write_layer_env(tex_file, &color, (int)gfx->layer, linfo, buffer) == TRUE) {
 
 			/* Layer is defined => create graphics */
-			if (gfx->type == GRAPHIC_POLYGON) {
+			if (gfx->gfx_type == GRAPHIC_POLYGON) {
-
-
 				g_string_printf(buffer, "\\draw[line width=0.00001 pt, draw={c%d}, fill={c%d}, fill opacity={%lf}] ",
 						gfx->layer, gfx->layer, color.alpha);
 				WRITEOUT_BUFFER(buffer);
@@ -108,9 +107,37 @@ static void generate_graphics(FILE *tex_file, GList *graphics, GList *linfo, GSt
 				}
 				g_string_printf(buffer, "cycle;\n");
 				WRITEOUT_BUFFER(buffer);
+			} else if(gfx->gfx_type == GRAPHIC_PATH) {
+
+				if (g_list_length(gfx->vertices) < 2) {
+					printf("Cannot write path with less than 2 points\n");
+					break;
+				}
+
+				if (gfx->path_render_type < 0 || gfx->path_render_type > 2) {
+					printf("Path type unrecognized. Setting to 'flushed'\n");
+					gfx->path_render_type = 0;
+				}
+
+				g_string_printf(buffer, "\\draw[line width=%lf pt, draw={c%d}, opacity={%lf}, cap=%s] ",
+						gfx->width_absolute/1000.0, gfx->layer, color.alpha,
+						line_caps[gfx->path_render_type]);
+				WRITEOUT_BUFFER(buffer);
+
+				/* Append vertices */
+				for (temp_vertex = gfx->vertices; temp_vertex != NULL; temp_vertex = temp_vertex->next) {
+					pt = (struct gds_point *)temp_vertex->data;
+					g_string_printf(buffer, "(%lf pt, %lf pt)%s",
+							((double)pt->x)/1000.0,
+							((double)pt->y)/1000.0,
+							(temp_vertex->next ? " -- " : ""));
+					WRITEOUT_BUFFER(buffer);
+				}
+				g_string_printf(buffer, ";\n");
+				WRITEOUT_BUFFER(buffer);
 			}
 
-			g_string_printf(buffer, "\\end{scope}\n\\end{pgfonlayer}\n");
+			g_string_printf(buffer, "\\ifcreatepdflayers\n\\end{scope}\n\\fi\n\\end{pgfonlayer}\n");
 			WRITEOUT_BUFFER(buffer);
 		}
 
@@ -131,13 +158,14 @@ static void render_cell(struct gds_cell *cell, GList *layer_infos, FILE *tex_fil
 	for (list_child = cell->child_cells; list_child != NULL; list_child = list_child->next) {
 		inst = (struct gds_cell_instance *)list_child->data;
 		/* generate translation scope */
-		g_string_printf(buffer, "\\begin{scope}[shift={(%lf pt,%lf pt)}, rotate=%lf]\n",
+		g_string_printf(buffer, "\\begin{scope}[shift={(%lf pt,%lf pt)}]\n",
-				((double)inst->origin.x)/1000.0,((double)inst->origin.y)/1000.0,
+				((double)inst->origin.x)/1000.0,((double)inst->origin.y)/1000.0);
-				inst->angle);
 		WRITEOUT_BUFFER(buffer);
 
-		g_string_printf(buffer, "\\begin{scope}[xscale=%s]\n",
+		g_string_printf(buffer, "\\begin{scope}[rotate=%lf]\n", inst->angle);
-				(inst->flipped ? "-1" : "1"));
+		WRITEOUT_BUFFER(buffer);
+
+		g_string_printf(buffer, "\\begin{scope}[yscale=%s]\n", (inst->flipped ? "-1" : "1"));
 		WRITEOUT_BUFFER(buffer);
 
 		if (inst->cell_ref)
@@ -148,6 +176,9 @@ static void render_cell(struct gds_cell *cell, GList *layer_infos, FILE *tex_fil
 
 		g_string_printf(buffer, "\\end{scope}\n");
 		WRITEOUT_BUFFER(buffer);
+
+		g_string_printf(buffer, "\\end{scope}\n");
+		WRITEOUT_BUFFER(buffer);
 	}
 
 }
@@ -163,6 +194,18 @@ void render_cell_to_code(struct gds_cell *cell, GList *layer_infos, FILE *tex_fi
 	/* 10 kB Line working buffer should be enough */
 	working_line = g_string_new_len(NULL, LATEX_LINE_BUFFER_KB*1024);
 
+	/* standalone foo */
+	g_string_printf(working_line, "\\newif\\iftestmode\n\\testmodefalse %% Change to true for standalone rendering\n");
+	WRITEOUT_BUFFER(working_line);
+	g_string_printf(working_line, "\\newif\\ifcreatepdflayers\n\\createpdflayersfalse %% Change to true for Embedded layers in PDF output\n");
+	WRITEOUT_BUFFER(working_line);
+	g_string_printf(working_line, "\\iftestmode\n");
+	WRITEOUT_BUFFER(working_line);
+	g_string_printf(working_line, "\\documentclass[tikz]{standalone}\n\\usepackage{xcolor}\n\\usetikzlibrary{ocgx}\n\\begin{document}\n");
+	WRITEOUT_BUFFER(working_line);
+	g_string_printf(working_line, "\\fi\n");
+	WRITEOUT_BUFFER(working_line);
+
 	/* Write layer definitions */
 	write_layer_definitions(tex_file, layer_infos, working_line);
 
@@ -177,6 +220,13 @@ void render_cell_to_code(struct gds_cell *cell, GList *layer_infos, FILE *tex_fi
 	g_string_printf(working_line, "\\end{tikzpicture}\n");
 	WRITEOUT_BUFFER(working_line);
 
+	g_string_printf(working_line, "\\iftestmode\n");
+	WRITEOUT_BUFFER(working_line);
+	g_string_printf(working_line, "\\end{document}\n");
+	WRITEOUT_BUFFER(working_line);
+	g_string_printf(working_line, "\\fi\n");
+	WRITEOUT_BUFFER(working_line);
+
 	fflush(tex_file);
 	g_string_free(working_line, TRUE);
 }

layer-selector.c

@@ -23,18 +23,12 @@
 #include <glib.h>
 #include <string.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 static GtkWidget *global_load_button;
 static GtkWidget *global_save_button;
 static GtkListBox *global_list_box;
 
-static void delete_layer_widget(GtkWidget *widget)
-{
-
-	gtk_widget_destroy(widget);
-}
-
-
 void delete_layer_info_struct(struct layer_info *info)
 {
 	if (info)
@@ -67,6 +61,7 @@ GList *export_rendered_layer_info()
 			layer_element_get_color(le, &linfo->color);
 			linfo->layer = layer_element_get_layer(le);
 			linfo->stacked_position = i;
+			linfo->name = (char *)layer_element_get_name(le);
 
 			/* Append to list */
 			info_list = g_list_append(info_list, (gpointer)linfo);
@@ -269,7 +264,6 @@ static void load_layer_mapping_from_file(gchar *file_name)
 	char *name;
 	gboolean export;
 	int layer;
-	int target_layer;
 	GdkRGBA color;
 	int result;
 	GList *rows;
@@ -293,15 +287,13 @@ static void load_layer_mapping_from_file(gchar *file_name)
 		gtk_container_remove(GTK_CONTAINER(global_list_box), GTK_WIDGET(le));
 	}
 
-	target_layer = 0;
-
 	while((result = load_csv_line(dstream, &export, &name, &layer, &color)) >= 0) {
 		/* skip broken line */
 		if (result == 1)
 			continue;
 
 		/* Add rows in the same order as in file */
-		if (le = find_layer_element_in_list(rows, layer)) {
+		if ((le = find_layer_element_in_list(rows, layer))) {
 			gtk_list_box_insert(global_list_box, GTK_WIDGET(le), -1);
 
 			layer_element_set_color(le, &color);

layer-selector.h

@@ -26,6 +26,7 @@
 struct layer_info
 {
 	int layer;
+	char *name;
 	int stacked_position; ///< Lower is bottom, higher is top
 	GdkRGBA color;
 };

main.c

@@ -246,6 +246,9 @@ int main(int argc, char **argv)
 	open_data.main_window = GTK_WINDOW(gtk_builder_get_object(main_builder, "main-window"));
 	g_signal_connect(GTK_WIDGET(gtk_builder_get_object(main_builder, "button-load-gds")),
 			 "clicked", G_CALLBACK(on_load_gds), (gpointer)&open_data);
+
+	/* Connect delete-event */
+	g_signal_connect(GTK_WIDGET(open_data.main_window), "delete-event", G_CALLBACK(on_window_close), NULL);
 	
 
 	/* Connect Convert button */

test-data/.gitignore

@@ -1,2 +1,2 @@
-layout.tex
+*.log
-toplevel.pdf
+*.aux

test-data/polygon+path/layer-mapping.map

@@ -0,0 +1,2 @@
+2,0.203922,0.396078,0.643137,1.000000,1,BOTTOM-Layer
+1,0.450980,0.823529,0.086275,1.000000,1,TOP-Layer

test-data/polygon+path/path.tex

@@ -0,0 +1,56 @@
+\newif\iftestmode
+\testmodetrue % Change to true for standalone rendering
+\newif\ifcreatepdflayers
+\createpdflayerstrue % Change to true for Embedded layers in PDF output
+\iftestmode
+\documentclass[tikz]{standalone}
+\usepackage{xcolor}
+\usetikzlibrary{ocgx}
+\begin{document}
+\fi
+\pgfdeclarelayer{l2}
+\definecolor{c2}{rgb}{0.203922,0.396078,0.643137}
+\pgfdeclarelayer{l1}
+\definecolor{c1}{rgb}{0.450980,0.823529,0.086275}
+\pgfsetlayers{l2,l1,main}
+\begin{tikzpicture}
+\begin{pgfonlayer}{l1}
+\ifcreatepdflayers
+\begin{scope}[ocg={ref=1, status=visible,name={TOP-Layer}}]
+\fi]
+\draw[line width=0.300000 pt, draw={c1}, opacity={1.000000}, cap=rect] (-1.108000 pt, 0.589000 pt) -- (-0.498000 pt, 0.589000 pt) -- (-0.255000 pt, 0.343000 pt);
+\ifcreatepdflayers
+\end{scope}
+\fi
+\end{pgfonlayer}
+\begin{pgfonlayer}{l1}
+\ifcreatepdflayers
+\begin{scope}[ocg={ref=1, status=visible,name={TOP-Layer}}]
+\fi]
+\draw[line width=0.300000 pt, draw={c1}, opacity={1.000000}, cap=butt] (-1.031000 pt, 0.326000 pt) -- (-1.028000 pt, 0.093000 pt) -- (-0.282000 pt, -0.019000 pt);
+\ifcreatepdflayers
+\end{scope}
+\fi
+\end{pgfonlayer}
+\begin{pgfonlayer}{l1}
+\ifcreatepdflayers
+\begin{scope}[ocg={ref=1, status=visible,name={TOP-Layer}}]
+\fi]
+\draw[line width=0.300000 pt, draw={c1}, opacity={1.000000}, cap=round] (0.076000 pt, 0.059000 pt) -- (0.660000 pt, 0.027000 pt) -- (0.871000 pt, 0.599000 pt);
+\ifcreatepdflayers
+\end{scope}
+\fi
+\end{pgfonlayer}
+\begin{pgfonlayer}{l2}
+\ifcreatepdflayers
+\begin{scope}[ocg={ref=2, status=visible,name={BOTTOM-Layer}}]
+\fi]
+\draw[line width=0.00001 pt, draw={c2}, fill={c2}, fill opacity={1.000000}] (-1.264000 pt, -0.471000 pt) -- (-1.264000 pt, 0.768000 pt) -- (1.047000 pt, 0.768000 pt) -- (1.047000 pt, -0.471000 pt) -- (-1.264000 pt, -0.471000 pt) -- cycle;
+\ifcreatepdflayers
+\end{scope}
+\fi
+\end{pgfonlayer}
+\end{tikzpicture}
+\iftestmode
+\end{document}
+\fi

test-data/polygon-only/layer-mapping.map

@@ -0,0 +1,2 @@
+2,0.203922,0.396078,0.643137,1.000000,1,BOTTOM-Layer
+1,0.450980,0.823529,0.086275,1.000000,1,TOP-Layer

tree-renderer/tree-store.c

@@ -8,10 +8,8 @@ static gboolean tree_sel_func(GtkTreeSelection *selection,
 				gboolean path_currently_selected,
 				gpointer data)
 {
-	static int cnt = 0;
 	GtkTreeIter iter;
 	struct gds_cell *cell;
-	gchar *p;
 
 	gtk_tree_model_get_iter(model, &iter, path);
 	gtk_tree_model_get(model, &iter, CELL_SEL_CELL, &cell, -1);