new package alfilelsel: graphical file selector dialog for scripts and gmenu2x

alfilesel/Makefile

@@ -0,0 +1,60 @@
+# 
+# Copyright (C) 2012 David Kuehling <dvdkhlng TA gmx TOD de>
+#
+# License GPLv2 or later.  NO WARRANTY.
+#
+# OpenWRT package that compile a simple allegro game library file dialog
+# helper application.
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=alfilesel
+PKG_VERSION:=0.1.0
+PKG_RELEASE:=2
+#PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+#PKG_SOURCE_URL:=@SF/forth-brainless
+#PKG_MD5SUM:=ed4a4cbbe23628b17edc5aa01f32f7fb
+#PKG_INSTALL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/alfilesel
+  SECTION:=utilities
+  CATEGORY:=Utilities
+  CATEGORY:=Games
+  MAINTAINER:="David Kuehling" <dvdkhlng TA gmx TOD de>
+  TITLE:=Graphical file selector app to use in shell scripts
+  DEPENDS:=+liballegro +liballegro-jpeg +liballegro-png
+endef
+
+define Package/alfilesel/description
+A graphical file selector dialog using the allegro game library.  Use it
+to make allow gmenu2x shortcuts start applications that don\'t provide a menu
+themselves (such as mplayer).
+endef
+
+define Build/Configure
+
+endef 
+
+TARGET_LDFLAGS +=  -ljpgalleg -lloadpng -lalleg -lpng -lz -lm -lpthread -lrt
+
+define Build/Configure
+	$(CP) ./files/alfilesel.c $(PKG_BUILD_DIR)/
+endef
+
+define Build/Compile
+	$(call Build/Compile/Default, alfilesel)
+endef
+
+define Package/alfilesel/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/alfilesel $(1)/usr/bin/
+endef
+
+$(eval $(call BuildPackage,alfilesel))
+
+# The following comments configure the Emacs editor.  Just ignore them.
+# Local Variables:
+# compile-command: "make -C ~/h/src/qi/openwrt-xburst package/alfilesel/compile -j2 V=99"
+# End:

alfilesel/files/alfilesel.c

@@ -0,0 +1,225 @@
+/* Simple liballegro based file selector helper utility.
+ *
+ * Copyright (C) 2011 David Kühling <dvdkhlng TA gmx TOD de>
+ *
+ * License: GPL3 or later, NO WARRANTY
+ *
+ * Created: Apr 2012
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
+
+#include <allegro.h>
+#include <loadpng.h>
+#include <jpgalleg.h>
+
+
+static int verbose_flag = 0;
+static int run_flag = 0;
+static int mouse_flag = 0;
+static int help_flag = 0;
+
+char * program_invocation_short_name;
+
+static void print_help(const char *name) {
+   const char *help = 
+      "[OPTION]..."
+      "Options:"
+      "\t-t --title=STRING\n"
+      "\t\tSet file selector dialog's title\n"
+      "\t-w --wallpaper=FILENAME\n"
+      "\t\tSet file to use as wallpaper (supports jpeg, png, pcx, bmp, tga)\n"
+      "\t-p --path=PATH\n"
+      "\t\tSet initial directory and/or filename\n"
+      "\t-f --filter=STRING\n"
+      "\t\tFilter files by extension and/or mode bits\n"
+      "\t\tUse 'png;jpeg' to show only .png and .jpeg files, use '/+x' to\n"
+      "\t\tonly show executable files etc.\n"
+      "\t-m --mouse\n"
+      "\t\tenable mouse (disabled by default)\n";
+   
+   printf ("USAGE: %s %s", program_invocation_short_name,
+	   help);
+}
+
+
+
+int main (int argc, char *argv[])
+{
+   int c;
+   const int hborder = 32;
+   const int vborder = 32;
+   const char *title = "Select file";
+   const char *init_path = 0;
+   const char *filter = 0;
+   const char *wallpaper = 
+      "/usr/share/gmenu2x/skins/Default/wallpapers/default.png";
+   char path[4096];
+   char **cmd = NULL;
+   int num_cmd = 0;
+
+   PALETTE pal;
+   BITMAP *backbmp;
+
+   while (1)
+   {
+      static struct option long_options[] =
+	 {
+	    /* These options set a flag. */
+	    {"verbose", no_argument, &verbose_flag, 1},
+	    {"help",  no_argument, &help_flag, 1},
+	    {"mouse", no_argument, &mouse_flag, 1},
+	    {"run",  no_argument, &run_flag, 1},
+	    /* These options don't set a flag.
+	       We distinguish them by their indices. */
+	    {"title", required_argument, 0, 't'},
+	    {"path", required_argument, 0, 'p'},
+	    {"filter", required_argument, 0, 'f'},
+	    {"wallpaper", required_argument, 0, 'w'},
+	    {0, 0, 0, 0}
+	 };
+      /* `getopt_long' stores the option index here. */
+      int option_index = 0;
+
+      c = getopt_long (argc, argv, "t:p:f:w:mrh",
+		       long_options, &option_index);
+
+      /* Detect the end of the options. */
+      if (c == -1)
+	 break;
+
+      switch (c)
+      {
+	 case 0:
+	    /* If this option set a flag, do nothing else now. */
+	    if (long_options[option_index].flag != 0)
+	       break;
+	    break;
+
+	 case 't':
+	    title = optarg;
+	    break;
+
+	 case 'p':
+	    init_path = optarg;
+	    break;
+
+	 case 'f':
+	    filter = optarg;
+	    break;
+
+	 case 'w':
+	    wallpaper = optarg;
+	    break;
+
+	 case '?':
+	    /* `getopt_long' already printed an error message. */
+	    print_help();
+	    return 1;
+
+	 default:
+	    abort ();
+      }
+   }
+
+   if (help_flag)
+   {
+      print_help();
+      return 0;
+   }
+
+
+   /* Print any remaining command line arguments (not options). */
+   if (optind < argc)
+   {
+      run_flag = 1;
+      cmd = &argv[optind];
+      num_cmd = argc - optind;
+      printf ("non-option ARGV-elements: ");
+      while (optind < argc)
+	 printf ("%s ", argv[optind++]);
+      putchar ('\n');
+   }
+
+   if (allegro_init() != 0)
+      return 1;
+   install_keyboard(); 
+   if (mouse_flag)
+      install_mouse();
+   install_timer();
+   loadpng_init();
+   jpgalleg_init();
+
+   if (set_gfx_mode(GFX_SAFE, 320, 240, 0, 0) != 0) {
+      set_gfx_mode(GFX_TEXT, 0, 0, 0, 0);
+      allegro_message("Unable to set any graphic mode\n%s\n", allegro_error);
+      return 1;
+   }
+
+   backbmp = load_bitmap(wallpaper, pal);
+   if (backbmp) 
+   {
+      if (bitmap_color_depth(backbmp) == 8)
+	 set_palette(pal);
+
+      /* can't stretch_blit() between color depths, so doing the stretching on
+	 a memory bitmap of matching depth, then blit to the screen */
+      BITMAP *buffer = create_bitmap_ex(bitmap_color_depth(backbmp),
+					SCREEN_W, SCREEN_H);
+
+      if (!buffer)
+      {
+	 set_gfx_mode(GFX_TEXT, 0, 0, 0, 0);
+	 allegro_message("Unable to allocate bitmap\n%s\n", allegro_error);
+	 return 1;
+      }
+
+      stretch_blit(backbmp, buffer, 0, 0, backbmp->w, backbmp->h,
+		   0, 0, SCREEN_W, SCREEN_H);
+      blit(buffer, screen, 0, 0, 0, 0, SCREEN_W, SCREEN_H);
+      destroy_bitmap(buffer);
+   }
+   else 
+   {
+      /* couln't load file (maybe default filename not present...?) */
+      clear_to_color(screen, makecol(0,0,0));
+   }
+   
+   set_palette(pal);
+
+   gui_fg_color = makecol(230,210,140);
+   gui_bg_color = makecol(30,40,50);
+   gui_mg_color = makecol(140,150,160);
+
+   if (!init_path)
+      getcwd(path, sizeof(path));
+   else
+      strncpy(path, init_path, sizeof(path));
+
+   path[sizeof(path)-1] = '\0';
+
+   
+
+   int ok = file_select_ex(
+      title, path, filter, sizeof(path), SCREEN_W-2*hborder, SCREEN_H-2*vborder);
+   path[sizeof(path)-1] = '\0';
+
+   allegro_exit();
+
+   if (ok)
+   {
+      printf ("%s", path);
+      return 0;
+   }
+
+   return 1;
+}
+
+
+/* The following comments configure the Emacs editor.  Just ignore them.
+ * Local Variables:
+ * compile-command: "make -C ~/h/src/qi/openwrt-xburst package/alfilesel/compile -j2 V=99"
+ * End:
+ */