ROX-Filer/src/filer.c

   1 /* vi: set cindent:
   2  * $Id$
   3  *
   4  * ROX-Filer, filer for the ROX desktop project
   5  * By Thomas Leonard, <tal197@ecs.soton.ac.uk>.
   6  */
   7
   8 /* filer.c - code for handling filer windows */
   9
  10 #include <stdlib.h>
  11 #include <stdio.h>
  12 #include <errno.h>
  13
  14 #include <gtk/gtk.h>
  15 #include <collection.h>
  16
  17 #include "support.h"
  18 #include "directory.h"
  19 #include "gui_support.h"
  20 #include "filer.h"
  21
  22 static int number_of_windows = 0;
  23
  24 /* Static prototypes */
  25 static void filer_window_destroyed(GtkWidget    *widget,
  26                                    FilerWindow  *filer_window);
  27 static void scan_callback(char *leafname, gpointer data);
  28 static void draw_item(GtkWidget *widget,
  29                         gpointer data,
  30                         gboolean selected,
  31                         GdkRectangle *area);
  32
  33
  34 static void filer_window_destroyed(GtkWidget    *widget,
  35                                    FilerWindow  *filer_window)
  36 {
  37         directory_destroy(filer_window->dir);
  38         g_free(filer_window);
  39
  40         if (--number_of_windows < 1)
  41                 gtk_main_quit();
  42 }
  43
  44 static void scan_callback(char *leafname, gpointer data)
  45 {
  46         FilerWindow     *filer_window = (FilerWindow *) data;
  47         FileItem        *item;
  48
  49         item = g_malloc(sizeof(FileItem));
  50         item->leafname = g_strdup(leafname);
  51
  52         collection_insert(filer_window->collection, item);
  53
  54         item->text_width = gdk_string_width(filer_window->window->style->font,
  55                         leafname);
  56
  57         if (item->text_width + 4 > filer_window->collection->item_width)
  58                 collection_set_item_size(filer_window->collection,
  59                                          item->text_width + 4,
  60                                          filer_window->collection->item_height);
  61 }
  62
  63 static void draw_item(GtkWidget *widget,
  64                         gpointer data,
  65                         gboolean selected,
  66                         GdkRectangle *area)
  67 {
  68         FileItem        *item = (FileItem *) data;
  69
  70         gdk_draw_rectangle(widget->window,
  71                         widget->style->black_gc,
  72                         FALSE,
  73                         area->x, area->y,
  74                         area->width - 1, area->height - 1);
  75
  76         gdk_draw_text(widget->window,
  77                         widget->style->font,
  78                         selected ? widget->style->white_gc
  79                                  : widget->style->black_gc,
  80                         area->x + ((area->width - item->text_width) >> 1),
  81                         area->y + area->height -
  82                                 widget->style->font->descent - 2,
  83                         item->leafname, strlen(item->leafname));
  84 }
  85
  86 void filer_opendir(char *path)
  87 {
  88         GtkWidget       *hbox, *scrollbar, *collection;
  89         FilerWindow     *filer_window;
  90
  91         filer_window = g_malloc(sizeof(FilerWindow));
  92         filer_window->dir = directory_new(path);
  93
  94         collection = collection_new(NULL);
  95         filer_window->collection = COLLECTION(collection);
  96         collection_set_functions(filer_window->collection,
  97                         draw_item, NULL);
  98
  99         filer_window->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 100         gtk_window_set_title(GTK_WINDOW(filer_window->window),
 101                                 filer_window->dir->path);
 102         gtk_window_set_default_size(GTK_WINDOW(filer_window->window),
 103                                 400, 200);
 104
 105         hbox = gtk_hbox_new(FALSE, 0);
 106         gtk_container_add(GTK_CONTAINER(filer_window->window), hbox);
 107
 108         gtk_box_pack_start(GTK_BOX(hbox), collection, TRUE, TRUE, 0);
 109
 110         scrollbar = gtk_vscrollbar_new(COLLECTION(collection)->vadj);
 111         gtk_box_pack_start(GTK_BOX(hbox), scrollbar, FALSE, TRUE, 0);
 112
 113         gtk_signal_connect(GTK_OBJECT(filer_window->window), "destroy",
 114                         filer_window_destroyed, filer_window);
 115
 116         gtk_widget_show_all(filer_window->window);
 117         number_of_windows++;
 118
 119         if (!directory_scan(filer_window->dir, scan_callback, filer_window))
 120                 report_error("Error opening directory", g_strerror(errno));
 121 }