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import logging
from far2l.plugin import PluginBase
from far2l.fardialogbuilder import (
TEXT,
EDIT,
BUTTON,
USERCONTROL,
HLine,
HSizer,
VSizer,
DialogBuilder,
)
log = logging.getLogger(__name__)
class Plugin(PluginBase):
label = "Python Character Map"
openFrom = ["PLUGINSMENU", "COMMANDLINE", "EDITOR", "VIEWER", "DIALOG"]
def OpenPlugin(self, OpenFrom):
try:
return self._OpenPlugin(OpenFrom)
except Exception as ex:
log.exception('run')
def GetCursorPos(self, hDlg, ID):
cpos = self.ffi.new("COORD *")
self.info.SendDlgMessage(hDlg, self.ffic.DM_GETCURSORPOS, ID, self.ffi.cast("LONG_PTR", cpos))
return (cpos.X, cpos.Y)
def SetCursorPos(self, hDlg, ID, col, row):
cpos = self.ffi.new("COORD *", dict(X=col, Y=row))
self.info.SendDlgMessage(hDlg, self.ffic.DM_SETCURSORPOS, ID, self.ffi.cast("LONG_PTR", cpos))
def _OpenPlugin(self, OpenFrom):
def GetColor(no):
data = self.ffi.new("DWORD *")
rc = self.info.AdvControl(
self.info.ModuleNumber,
self.ffic.ACTL_GETCOLOR,
self.ffi.cast("VOID *", no),
self.ffi.cast("VOID *", data)
)
return data[0]
self.offset = 0
self.max_col = 64
self.max_row = 20
self.text = ''
self.charbuf = self.ffi.new("CHAR_INFO []", self.max_col*self.max_row)
attrNormal = GetColor(self.ffic.COL_EDITORTEXT)
attrSelected = GetColor(self.ffic.COL_EDITORSELECTEDTEXT)
#attrNormal = 0x170
#attrSelected = 0x1c
def setVBuf(hDlg):
self.info.SendDlgMessage(hDlg, self.ffic.DM_ENABLEREDRAW, 0, 0)
for i in range(self.max_col*self.max_row):
cb = self.charbuf[i]
cb.Attributes = attrNormal
if self.offset+i <= 0xffff:
cb.Char.UnicodeChar = self.offset+i
else:
cb.Char.UnicodeChar = 0x20
self.info.SendDlgMessage(hDlg, self.ffic.DM_ENABLEREDRAW, 1, 0)
def xy2lin(col, row):
return row * self.max_col + col
def setColor(col, row, attr):
self.charbuf[xy2lin(col, row)].Attributes = attr
def updateOffset(offset):
dlg.SetText(dlg.ID_voffset, f"{offset:5d}/0x{offset:04x}")
def _DialogProc(hDlg, Msg, Param1, Param2):
if Msg == self.ffic.DN_INITDIALOG:
setVBuf(hDlg)
self.SetCursorPos(hDlg, dlg.ID_hex, 0, 0)
setColor(0, 0, attrSelected)
updateOffset(0)
self.info.SendDlgMessage(hDlg, self.ffic.DM_SETCURSORSIZE, dlg.ID_hex, 0|(0<<16))
dlg.SetFocus(dlg.ID_hex)
return self.info.DefDlgProc(hDlg, Msg, Param1, Param2)
elif Msg == self.ffic.DN_BTNCLICK:
#log.debug(f"btn DialogProc({Param1}, {Param2})")
if Param1 == dlg.ID_vgoto:
v = dlg.GetText(dlg.ID_vgotovalue).strip()
if v:
try:
offset = int(v, 16 if v[:2] == '0x' else 10)
if offset > 0xffff:
offset = 0
dlg.SetText(dlg.ID_vgotovalue, '0')
self.offset = offset
except:
if len(v) == 1:
self.offset = ord(v)
setVBuf(hDlg)
else:
dlg.SetText(dlg.ID_vgotovalue, '')
log.exception('goto')
setVBuf(hDlg)
updateOffset(self.offset)
col, row = self.GetCursorPos(hDlg, dlg.ID_hex)
setColor(col, row, attrNormal)
setColor(0, 0, attrSelected)
self.SetCursorPos(hDlg, dlg.ID_hex, 0, 0)
dlg.SetFocus(dlg.ID_hex)
return 1
elif Param1 == dlg.ID_vok:
col, row = self.GetCursorPos(hDlg, dlg.ID_hex)
offset = self.offset + xy2lin(col, row)
if offset <= 0xffff:
try:
self.text = chr(offset)
except:
log.exception(f'OK click {offset}')
return 0
elif Msg == self.ffic.DN_KEY and Param1 == dlg.ID_hex:
col, row = self.GetCursorPos(hDlg, dlg.ID_hex)
setColor(col, row, attrNormal)
#log.debug(f"key DialogProc({Param1}, {Param2:x}), col={col} row={row})")
if Param2 == self.ffic.KEY_PGUP:
self.offset -= self.max_row * self.max_col
if self.offset < 0:
self.offset = 0
setVBuf(hDlg)
offset = self.offset + xy2lin(col, row)
updateOffset(offset)
elif Param2 == self.ffic.KEY_HOME:
row = 0
col = 0
elif Param2 == self.ffic.KEY_PGDN:
self.offset += self.max_row * self.max_col
if self.offset > 0xffff:
self.offset = 0x10000 - self.max_row * self.max_col
setVBuf(hDlg)
offset = self.offset + xy2lin(col, row)
updateOffset(offset)
elif Param2 == self.ffic.KEY_LEFT:
col -= 1
elif Param2 == self.ffic.KEY_UP:
row -= 1
elif Param2 == self.ffic.KEY_RIGHT:
col += 1
elif Param2 == self.ffic.KEY_DOWN:
row += 1
elif Param2 == self.ffic.KEY_ENTER:
#log.debug(f"enter at offset:{self.offset} row:{row} col:{col}")
offset = self.offset + xy2lin(col, row)
if offset <= 0xffff:
try:
self.text = chr(offset)
except:
log.exception(f'enter at {offset}')
return 0
elif Param2 == self.ffic.KEY_ESC:
return 0
else:
return self.info.DefDlgProc(hDlg, Msg, Param1, Param2)
if col == self.max_col:
col = 0
elif col == -1:
col = self.max_col - 1
if row == self.max_row:
row = 0
elif row == -1:
row = self.max_row - 1
setColor(col, row, attrSelected)
offset = self.offset + xy2lin(col, row)
updateOffset(offset)
#log.debug(f"col={col}/{self.max_col} row={row}/{self.max_row}")
self.SetCursorPos(hDlg, dlg.ID_hex, col, row)
return 1
elif Msg == self.ffic.DN_MOUSECLICK and Param1 == dlg.ID_hex:
col, row = self.GetCursorPos(hDlg, dlg.ID_hex)
setColor(col, row, attrNormal)
mou = self.ffi.cast("MOUSE_EVENT_RECORD *", Param2)
col = mou.dwMousePosition.X
row = mou.dwMousePosition.Y
setColor(col, row, attrSelected)
self.SetCursorPos(hDlg, dlg.ID_hex, col, row)
#log.debug(f"mou DialogProc(col={col} row={row})")
offset = self.offset + xy2lin(col, row)
#self.text = self.symbols[offset]
updateOffset(offset)
return self.info.DefDlgProc(hDlg, Msg, Param1, Param2)
@self.ffi.callback("FARWINDOWPROC")
def DialogProc(hDlg, Msg, Param1, Param2):
try:
return _DialogProc(hDlg, Msg, Param1, Param2)
except:
log.exception('dialogproc')
return 1
b = DialogBuilder(
self,
DialogProc,
"Python CharMap",
"charmap",
0,
VSizer(
HSizer(
TEXT(None, "Offset:"),
TEXT("voffset", " "*12),
TEXT(None, "&Goto:"),
EDIT("vgotovalue", width=7),
BUTTON("vgoto", "GOTO"),
),
HLine(),
USERCONTROL('hex', self.max_col, self.max_row, param={'VBuf':self.ffi.cast("CHAR_INFO *", self.ffi.addressof(self.charbuf))}),
HLine(),
HSizer(
BUTTON("vok", "OK", flags=self.ffic.DIF_CENTERGROUP),
BUTTON("vcancel", "Cancel", flags=self.ffic.DIF_CENTERGROUP),
),
),
)
dlg = b.build(-1, -1)
res = self.info.DialogRun(dlg.hDlg)
#log.debug(f'res={res} text=***{self.text}***')
if res in (dlg.ID_hex, dlg.ID_vok):
self.info.FSF.CopyToClipboard(self.s2f(self.text))
self.info.DialogFree(dlg.hDlg)
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