[PyQt] Problem calling a window

[Sandro Dutra]

2009/1/15 Sandro Dutra <hexodin at gmail.com>

> Sorry for the delay... it's the time, it's the time...
>
> I used Eric4 and QtDesigner, so the Pro2MainWindow it's only the window
> without the widgets (I only want to test the call), here's the code:
>
> ---Pro2MainWindow Code---
> # -*- coding: utf-8 -*-
>
> """
> Module implementing Pro2MainWindow.
> """
>
> from PyQt4.QtGui import QMainWindow
> from PyQt4.QtCore import pyqtSignature
>
> from Ui_Pro2MainWindow import Ui_Pro2MainWindow
>
> class Pro2MainWindow(QMainWindow, Ui_Pro2MainWindow):
>     """
>     Class documentation goes here.
>     """
>     def __init__(self, parent = None):
>         """
>         Constructor
>         """
>         QMainWindow.__init__(self, parent)
>         self.setupUi(self)
>
> The setupUi, only call the definitions of the ui generated by QtDesigner,
> and here's the complete code for the login screen:
> # -*- coding: utf-8 -*-
>
> """
> Module implementing DialogPro2Login.
> """
>
> from PyQt4.QtGui import QDialog,  QMessageBox,  QApplication
> from PyQt4.QtCore import pyqtSignature
>
> from Ui_Pro2Login import Ui_DialogPro2Login
> from Pro2MainWindow import Pro2MainWindow
> from db.database import Pro2db
>
> import MySQLdb,  sys
>
> class DialogPro2Login(QDialog, Ui_DialogPro2Login):
>     """
>     Class documentation goes here.
>     """
>     def __init__(self, parent = None):
>         """
>         Constructor
>         """
>         QDialog.__init__(self, parent)
>         self.setupUi(self)
>
>     @pyqtSignature("")
>     def on_pushButton_enter_clicked(self):
>         user = self.lineEdit_user.text()
>         passw = self.lineEdit_passw.text()
>         if user == "" or passw == "":
>             QMessageBox.information(self,  "ERRO",  u"Por favor, entre com
> o usuário e senha.",  "OK")
>         else:
>             try:
>                 p2db = Pro2db(str(user),  str(passw)) ### Here is where I
> want to call the mainwindow ####
>                 wndMain = Pro2MainWindow()
>                 wndMain.exec_()
>                 wndMain.showMaximized()
>                 self.hide()
> ##############################
>             except MySQLdb.Error,  error_code:
>                 if error_code[0] == 1045:
>                     message = u"Acesso negado para o usuário: %s" %user
>                 elif error_code[0] == 2003:
>                     message = u"Não foi possível realizar a conexão."
>                 else:
>                     message = u"Erro desconhecido.\nCódigo administrativo:
> %s - %s." %(error_code[0],  error_code[1])
>                 QMessageBox.information(self, "Falha no acesso",  u"O
> servidor informa:\n%s" %message,  "OK")
>
>     @pyqtSignature("")
>     def on_pushButton_exit_clicked(self):
>         self.close()
>
> If you need more info tell me,
> Thanks for the attention to a so noob problem.
> Sandro Dutra - Brazil.
>
> 2009/1/14 Sergio Jovani <lesergi at gmail.com>
>
> It would be good you post more code, at least, Pro2MainWindow class.
>>
>> 2009/1/14 Sandro Dutra <hexodin at gmail.com>:
>> > I get a AttibuteError in mainWnd.exec_()
>> >
>> > If necessary, I can upload the complete code.
>> >
>> > Thanks in advance.
>> >
>> > 2009/1/13 Sergio Jovani <lesergi at gmail.com>
>> >>
>> >> Hi,
>> >>
>> >> This is a little piece of code, but you can try with:
>> >>
>> >>                mainWnd = Pro2MainWindow()
>> >>                mainWnd.exec_()
>> >>                mainWnd.showMaximized()
>> >>                self.hide()
>> >>
>> >> 2009/1/13 Sandro Dutra <hexodin at gmail.com>:
>> >> > I'm writing a solution using Python, Qt and MySQL, I create the login
>> >> > screen
>> >> > and set all the errors...
>> >> >
>> >> > The problem is: When the user do the correct login in MySQL, I want
>> the
>> >> > login screen to close, and the whole application show.
>> >> >
>> >> > The code when the button "Enter" is pressed:
>> >> > ---------------------------
>> >> >     def on_pushButton_enter_clicked(self):
>> >> >         user = self.lineEdit_user.text()
>> >> >         passw = self.lineEdit_passw.text()
>> >> >         if user == "" or passw == "":
>> >> >             QMessageBox.information(self,  "ERRO",  u"Por favor,
>> entre
>> >> > com o
>> >> > usuário e senha.",  "OK")
>> >> >         else:
>> >> >             try: ############ If the login is made, the application
>> is
>> >> > launch and the login screen is closed.
>> >> >                 p2db = Pro2db(str(user),  str(passw))
>> >> >                 mainWnd = Pro2MainWindow()
>> >> >                 mainWnd.showMaximized()
>> >> >                 self.close()
>> >> >                  ###########################################
>> >> >             except MySQLdb.Error,  error_code:
>> >> >                 if error_code[0] == 1045:
>> >> >                     message = u"Acesso negado para o usuário: %s"
>> %user
>> >> >                 elif error_code[0] == 2003:
>> >> >                     message = u"Não foi possível realizar a conexão."
>> >> >                 else:
>> >> >                     message = u"Erro desconhecido.\nCódigo
>> >> > administrativo:
>> >> > %s - %s." %(error_code[0],  error_code[1])
>> >> >                 QMessageBox.information(self, "Falha no acesso",  u"O
>> >> > servidor informa:\n%s" %message,  "OK")
>> >> > ---------------------------
>> >> >
>> >> > Anyone can help?
>> >> >
>> >> > Thanks in advance,
>> >> > Sandro Dutra,
>> >> > Brazil.
>> >> >
>> >> > _______________________________________________
>> >> > PyQt mailing list    PyQt at riverbankcomputing.com
>> >> > http://www.riverbankcomputing.com/mailman/listinfo/pyqt
>> >> >
>> >
>> >
>>
>
>
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