From 8fdb0a4c3edcfb20ae6d5fb0e86c96e802347f7d Mon Sep 17 00:00:00 2001
From: Qingping Hou <dave2008713@gmail.com>
Date: Sat, 18 Feb 2012 18:21:03 +0800
Subject: [PATCH] add: demo for inputbox

---
 filechooser.lua |   6 +-
 inputbox.lua    | 153 ++++++++++++++++++++++++++++++++++++++++++++++++
 keys.lua        |  23 +++++++-
 3 files changed, 179 insertions(+), 3 deletions(-)
 create mode 100644 inputbox.lua

diff --git a/filechooser.lua b/filechooser.lua
index cfd8ef47c..084af48b0 100644
--- a/filechooser.lua
+++ b/filechooser.lua
@@ -3,6 +3,7 @@ require "keys"
 require "graphics"
 require "fontchooser"
 require "fileseacher"
+require "inputbox"
 
 FileChooser = {
 	-- Class vars:
@@ -187,8 +188,9 @@ function FileChooser:choose(ypos, height)
 				end
 				pagedirty = true
 			elseif ev.code == KEY_S then
-				FileSeacher:init()
-				FileSeacher:choose(0, height)
+				InputBox:input(height-100, 100)
+				--FileSeacher:init()
+				--FileSeacher:choose(0, height)
 				pagedirty = true
 			elseif ev.code == KEY_PGFWD then
 				if self.page < (self.items / perpage) then
diff --git a/inputbox.lua b/inputbox.lua
new file mode 100644
index 000000000..d86fad050
--- /dev/null
+++ b/inputbox.lua
@@ -0,0 +1,153 @@
+require "rendertext"
+require "keys"
+require "graphics"
+
+InputBox = {
+	-- Class vars:
+	
+	-- font for displaying input content
+	face = freetype.newBuiltinFace("mono", 25),
+	fhash = "m25",
+	fheight = 25,
+	-- font for input title display
+	tface = freetype.newBuiltinFace("sans", 28),
+	tfhash = "s28",
+	-- spacing between lines
+	spacing = 40,
+
+	input_start_x = 145,
+	input_start_y = nil,
+	input_cur_x = nil,
+
+	input_bg = 1,
+
+	-- state buffer
+	dirs = nil,
+	files = nil,
+	items = 0,
+	path = "",
+	page = 1,
+	current = 1,
+	oldcurrent = 0,
+}
+
+function InputBox:setPath(newPath)
+	self.path = newPath
+	self:readdir()
+	self.items = #self.dirs + #self.files
+	if self.items == 0 then
+		return nil
+	end
+	self.page = 1
+	self.current = 1
+	return true
+end
+
+function InputBox:addChar(text)
+	renderUtf8Text(fb.bb, self.input_cur_x, self.input_start_y,
+								self.face, self.fhash, text, true)
+	fb:refresh(1, self.input_cur_x, self.input_start_y-19, 16, self.fheight)
+	self.input_cur_x = self.input_cur_x + 16
+end
+
+function InputBox:delChar()
+	if self.input_start_x == self.input_cur_x then
+		return
+	end
+	self.input_cur_x = self.input_cur_x - 16
+	--fill last character with blank rectangle
+	fb.bb:paintRect(self.input_cur_x, self.input_start_y-19, 16, self.fheight, self.input_bg)
+	fb:refresh(1, self.input_cur_x, self.input_start_y-19, 16, self.fheight)
+end
+
+function InputBox:input(ypos, height)
+	local pagedirty = true
+	self.input_start_y = ypos + 35
+	self.input_cur_x = self.input_start_x
+
+	while true do
+		if pagedirty then
+			w = fb.bb:getWidth() - 40
+			h = height - 45
+			-- draw input border
+			fb.bb:paintRect(20, ypos, w, h, 5)
+			-- draw input slot
+			fb.bb:paintRect(140, ypos + 10, w - 130, h - 20, self.input_bg)
+			renderUtf8Text(fb.bb, 35, self.input_start_y, self.face, self.fhash,
+				"Search:", true)
+			markerdirty = true
+		end
+
+		if pagedirty then
+			fb:refresh(0, 0, ypos, fb.bb:getWidth(), height)
+			pagedirty = false
+		end
+
+		local ev = input.waitForEvent()
+		if ev.type == EV_KEY and ev.value == EVENT_VALUE_KEY_PRESS then
+			print("key code:"..ev.code)
+			--ev.code = adjustFWKey(ev.code)
+			if ev.code == KEY_FW_UP then
+			elseif ev.code == KEY_FW_DOWN then
+			elseif ev.code == KEY_A then
+				self:addChar("a")
+			elseif ev.code == KEY_B then
+				self:addChar("b")
+			elseif ev.code == KEY_C then
+				self:addChar("c")
+			elseif ev.code == KEY_D then
+				self:addChar("d")
+			elseif ev.code == KEY_E then
+				self:addChar("e")
+			elseif ev.code == KEY_F then
+				self:addChar("f")
+			elseif ev.code == KEY_G then
+				self:addChar("g")
+			elseif ev.code == KEY_H then
+				self:addChar("h")
+			elseif ev.code == KEY_I then
+				self:addChar("i")
+			elseif ev.code == KEY_J then
+				self:addChar("j")
+			elseif ev.code == KEY_K then
+				self:addChar("k")
+			elseif ev.code == KEY_L then
+				self:addChar("l")
+			elseif ev.code == KEY_M then
+				self:addChar("m")
+			elseif ev.code == KEY_N then
+				self:addChar("n")
+			elseif ev.code == KEY_O then
+				self:addChar("o")
+			elseif ev.code == KEY_P then
+				self:addChar("p")
+			elseif ev.code == KEY_Q then
+				self:addChar("q")
+			elseif ev.code == KEY_R then
+				self:addChar("r")
+			elseif ev.code == KEY_S then
+				self:addChar("s")
+			elseif ev.code == KEY_T then
+				self:addChar("t")
+			elseif ev.code == KEY_U then
+				self:addChar("u")
+			elseif ev.code == KEY_V then
+				self:addChar("v")
+			elseif ev.code == KEY_W then
+				self:addChar("w")
+			elseif ev.code == KEY_X then
+				self:addChar("x")
+			elseif ev.code == KEY_Y then
+				self:addChar("y")
+			elseif ev.code == KEY_Z then
+				self:addChar("z")
+			elseif ev.code == KEY_PGFWD then
+			elseif ev.code == KEY_PGBCK then
+			elseif ev.code == KEY_ENTER or ev.code == KEY_FW_PRESS then
+				pagedirty = true
+			elseif ev.code == KEY_BACK then
+				self:delChar()
+			end
+		end
+	end
+end
diff --git a/keys.lua b/keys.lua
index b757dd5b0..ee43be603 100644
--- a/keys.lua
+++ b/keys.lua
@@ -118,13 +118,34 @@ function set_emu_keycodes()
 
 	KEY_ENTER = 36
 
+	KEY_Q = 24
+	KEY_W = 25
+	KEY_E = 26
+	KEY_R = 27
+	KEY_T = 28
+	KEY_Y = 29
+	KEY_U = 30
+	KEY_I = 31
+	KEY_O = 32
+	KEY_P = 33
+
 	KEY_A = 38
 	KEY_S = 39
 	KEY_D = 40
 	KEY_F = 41
-
+	KEY_G = 42
+	KEY_H = 43
 	KEY_J = 44
 	KEY_K = 45
+	KEY_L = 46
+
+	KEY_Z = 52
+	KEY_X = 53
+	KEY_C = 54
+	KEY_V = 55
+	KEY_B = 56
+	KEY_N = 57
+	KEY_M = 58
 
 	KEY_SHIFT = 50 -- left shift
 	KEY_ALT = 64   -- left alt