Add formspec toolkit and refactor mainmenu to use it

Fix crash on using cursor keys in client menu without selected server
Add support for non fixed size tabviews

1 files changed, 170 insertions, 0 deletions

diff --git a/builtin/mainmenu/tab_mods.lua b/builtin/mainmenu/tab_mods.lua
new file mode 100644
index 000000000..b258ce6c5
--- /dev/null
+++ b/builtin/mainmenu/tab_mods.lua
@@ -0,0 +1,170 @@
+--Minetest
+--Copyright (C) 2014 sapier
+--
+--This program is free software; you can redistribute it and/or modify
+--it under the terms of the GNU Lesser General Public License as published by
+--the Free Software Foundation; either version 2.1 of the License, or
+--(at your option) any later version.
+--
+--This program is distributed in the hope that it will be useful,
+--but WITHOUT ANY WARRANTY; without even the implied warranty of
+--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+--GNU Lesser General Public License for more details.
+--
+--You should have received a copy of the GNU Lesser General Public License along
+--with this program; if not, write to the Free Software Foundation, Inc.,
+--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+--------------------------------------------------------------------------------
+local function get_formspec(tabview, name, tabdata)
+
+	if modmgr.global_mods == nil then
+		modmgr.refresh_globals()
+	end
+
+	if tabdata.selected_mod == nil then
+		tabdata.selected_mod = 1
+	end
+
+	local retval =
+		"vertlabel[0,-0.25;".. fgettext("MODS") .. "]" ..
+		"label[0.8,-0.25;".. fgettext("Installed Mods:") .. "]" ..
+		"textlist[0.75,0.25;4.5,4;modlist;" ..
+		modmgr.render_modlist(modmgr.global_mods) ..
+		";" .. tabdata.selected_mod .. "]"
+
+	retval = retval ..
+		"label[0.8,4.2;" .. fgettext("Add mod:") .. "]" ..
+--		TODO Disabled due to upcoming release 0.4.8 and irrlicht messing up localization
+--		"button[0.75,4.85;1.8,0.5;btn_mod_mgr_install_local;".. fgettext("Local install") .. "]" ..
+		"button[2.45,4.85;3.05,0.5;btn_modstore;".. fgettext("Online mod repository") .. "]"
+
+	local selected_mod = nil
+
+	if filterlist.size(modmgr.global_mods) >= tabdata.selected_mod then
+		selected_mod = modmgr.global_mods:get_list()[tabdata.selected_mod]
+	end
+
+	if selected_mod ~= nil then
+		local modscreenshot = nil
+
+		--check for screenshot beeing available
+		local screenshotfilename = selected_mod.path .. DIR_DELIM .. "screenshot.png"
+		local error = nil
+		local screenshotfile,error = io.open(screenshotfilename,"r")
+		if error == nil then
+			screenshotfile:close()
+			modscreenshot = screenshotfilename
+		end
+
+		if modscreenshot == nil then
+				modscreenshot = modstore.basetexturedir .. "no_screenshot.png"
+		end
+
+		retval = retval
+				.. "image[5.5,0;3,2;" .. core.formspec_escape(modscreenshot) .. "]"
+				.. "label[8.25,0.6;" .. selected_mod.name .. "]"
+
+		local descriptionlines = nil
+		error = nil
+		local descriptionfilename = selected_mod.path .. "description.txt"
+		local descriptionfile,error = io.open(descriptionfilename,"r")
+		if error == nil then
+			local descriptiontext = descriptionfile:read("*all")
+
+			descriptionlines = core.splittext(descriptiontext,42)
+			descriptionfile:close()
+		else
+			descriptionlines = {}
+			table.insert(descriptionlines,fgettext("No mod description available"))
+		end
+
+		retval = retval ..
+			"label[5.5,1.7;".. fgettext("Mod information:") .. "]" ..
+			"textlist[5.5,2.2;6.2,2.4;description;"
+
+		for i=1,#descriptionlines,1 do
+			retval = retval .. core.formspec_escape(descriptionlines[i]) .. ","
+		end
+
+
+		if selected_mod.is_modpack then
+			retval = retval .. ";0]" ..
+				"button[10,4.85;2,0.5;btn_mod_mgr_rename_modpack;" ..
+				fgettext("Rename") .. "]"
+			retval = retval .. "button[5.5,4.85;4.5,0.5;btn_mod_mgr_delete_mod;"
+				.. fgettext("Uninstall selected modpack") .. "]"
+		else
+			--show dependencies
+
+			retval = retval .. ",Depends:,"
+
+			local toadd = modmgr.get_dependencies(selected_mod.path)
+
+			retval = retval .. toadd .. ";0]"
+
+			retval = retval .. "button[5.5,4.85;4.5,0.5;btn_mod_mgr_delete_mod;"
+				.. fgettext("Uninstall selected mod") .. "]"
+		end
+	end
+	return retval
+end
+
+--------------------------------------------------------------------------------
+local function handle_buttons(tabview, fields, tabname, tabdata)
+	if fields["modlist"] ~= nil then
+		local event = core.explode_textlist_event(fields["modlist"])
+		tabdata.selected_mod = event.index
+		return true
+	end
+
+	if fields["btn_mod_mgr_install_local"] ~= nil then
+		core.show_file_open_dialog("mod_mgt_open_dlg",fgettext("Select Mod File:"))
+		return true
+	end
+
+	if fields["btn_modstore"] ~= nil then
+		local modstore_ui = ui.find_by_name("modstore")
+		if modstore_ui ~= nil then
+			tabview:hide()
+			modstore.update_modlist()
+			modstore_ui:show()
+		else
+			print("modstore ui element not found")
+		end
+		return true
+	end
+
+	if fields["btn_mod_mgr_rename_modpack"] ~= nil then
+		local dlg_renamemp = create_rename_modpack_dlg(tabdata.selected_mod)
+		dlg_renamemp:set_parent(tabview)
+		tabview:hide()
+		dlg_renamemp:show()
+		return true
+	end
+
+	if fields["btn_mod_mgr_delete_mod"] ~= nil then
+		local dlg_delmod = create_delete_mod_dlg(tabdata.selected_mod)
+		dlg_delmod:set_parent(tabview)
+		tabview:hide()
+		dlg_delmod:show()
+		return true
+	end
+
+	if fields["mod_mgt_open_dlg_accepted"] ~= nil and
+		fields["mod_mgt_open_dlg_accepted"] ~= "" then
+		modmgr.installmod(fields["mod_mgt_open_dlg_accepted"],nil)
+		return true
+	end
+
+	return false
+end
+
+--------------------------------------------------------------------------------
+tab_mods = {
+	name = "mods",
+	caption = fgettext("Mods"),
+	cbf_formspec = get_formspec,
+	cbf_button_handler = handle_buttons,
+	on_change = gamemgr.update_gamelist
+}