psychose/texter/texter/main.py

#!/usr/bin/python
# -*- coding: utf-8 -*-

import cPickle
import os.path
import re
import subprocess
import sys
from math import pow

from operator import itemgetter

from PyQt4 import QtCore, QtGui

from PyKDE4.kdecore import ki18n, KCmdLineArgs, KAboutData
from PyKDE4.kdeui import KDialog, KActionCollection, KRichTextWidget, KComboBox, KPushButton, KRichTextWidget, KMainWindow, KToolBar, KApplication, KAction, KToolBarSpacerAction, KSelectAction, KToggleAction, KShortcut

from texter_ui import Ui_MainWindow, _fromUtf8
from text_sorter_ui import Ui_TextSorterDialog
from text_model import TextModel

appName     = "texter"
catalog     = "448texter"
programName = ki18n("4.48 Psychose Texter")
version     = "0.1"

aboutData = KAboutData(appName, catalog, programName, version)

KCmdLineArgs.init (sys.argv, aboutData)

app = KApplication()

for path in QtGui.QIcon.themeSearchPaths():
    print "%s/%s" % (path, QtGui.QIcon.themeName())


# NOTE: if the QIcon.fromTheme method does not find any icons, you can set a theme
# in your local icon directory:
# ln -s /your/icon/theme/directory $HOME/.icons/hicolor

class TextSorterDialog(QtGui.QWidget, Ui_TextSorterDialog):
    def __init__(self, parent = None):
        super(TextSorterDialog, self).__init__(parent)

        self.setupUi(self)
        self.fill_list()

        self.text_list.clicked.connect(self.slot_show_text)
        self.remove_button.clicked.connect(self.slot_removeItem)
        self.move_up_button.clicked.connect(self.slot_text_up)
        self.move_down_button.clicked.connect(self.slot_text_down)
        self.text_list.clicked.connect(self.slot_toggle_buttons)
        self.move_up_button.setEnabled(False)
        self.move_down_button.setEnabled(False)


    def slot_toggle_buttons(self, index):
        row = index.row()
        if row <= 0:
            self.move_up_button.setEnabled(False)
        else:
            self.move_up_button.setEnabled(True)

        if row >= len(self.model.text_db) - 1:
            self.move_down_button.setEnabled(False)
        else:
            self.move_down_button.setEnabled(True)

    def fill_list(self):
        self.model = self.parent().parent().model
        self.text_list.setModel(self.model)

    def slot_text_up(self):
        row = self.text_list.currentIndex().row()
        if row <= 0:
            return False

        text_db = self.model.text_db
        text_db[row-1], text_db[row] = text_db[row], text_db[row-1]
        self.text_list.setCurrentIndex(self.model.index(row - 1, 0))
        self.text_list.clicked.emit(self.model.index(row - 1, 0))
        return True

    def slot_text_down(self):
        text_db = self.model.text_db
        row = self.text_list.currentIndex().row()
        if row >= len(text_db) - 1:
            return False

        text_db[row], text_db[row+1] = text_db[row+1], text_db[row]
        index = self.model.index(row + 1, 0)
        self.text_list.setCurrentIndex(index)
        self.text_list.clicked.emit(index)
        return True

    def slot_show_text(self, model_index):
        self.text_preview.setTextOrHtml(self.parent().parent().model.text_db[model_index.row()][1])


    def slot_removeItem(self):
        index = self.text_list.currentIndex().row()
        print "remote index", index
        self.model.removeRows(index, 1)
        index = self.model.index(0, 0)
        self.text_list.setCurrentIndex(index)
        self.text_list.clicked.emit(index)


class MainWindow(KMainWindow, Ui_MainWindow):
    def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)

        self.is_streaming = False
        self.ffserver = None
        self.ffmpeg = None
        self.live_center_action = None
        self.preview_center_action = None
        self.live_size_action = None
        self.preview_font_action = None
        self.live_font_action = None
        self.preview_size_action = None
        self.default_size = 48
        self.default_align_text = "format_align_center"
        self.preview_actions = list()
        self.live_actions = list()
        self.current = 0
        self.model = TextModel(self)

        self.is_auto_publish = False

        self.setupUi(self)

        self.font = QtGui.QFont("monospace", self.default_size)
        self.font.setStyleHint(QtGui.QFont.TypeWriter)

        self.toolbar = KToolBar(self, True, True)
        self.toolbar.setAllowedAreas(QtCore.Qt.BottomToolBarArea)
        self.toolbar.setMovable(False)
        self.toolbar.setFloatable(False)
        self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)
        self.addToolBar(QtCore.Qt.BottomToolBarArea, self.toolbar)

        self.createLiveActions()
        self.createPreviewActions()
        self.slot_load()

        self.preview_text.document().setDefaultFont(self.font)
        self.preview_text.setFont(self.font)
        self.preview_text.setRichTextSupport(KRichTextWidget.RichTextSupport(0xffffffff))
        self.preview_editor_collection = KActionCollection(self)
        self.preview_text.createActions(self.preview_editor_collection)

        self.live_text.setRichTextSupport(KRichTextWidget.RichTextSupport(0xffffffff))
        self.live_text.document().setDefaultFont(self.font)
        self.live_text.setFont(self.font)
        self.live_editor_collection = KActionCollection(self)
        self.live_text.createActions(self.live_editor_collection)
        self.filter_editor_actions()
        self.toolbar.insertSeparator(self.publish_action)
        self.toolbar.addSeparator()

        self.show()

        self.save_action.triggered.connect(self.slot_save)
        #self.valign_action.triggered.connect(self.slot_valign)
        self.publish_action.triggered.connect(self.slot_publish)
        self.clear_live_action.triggered.connect(self.slot_clear_live)
        self.clear_preview_action.triggered.connect(self.slot_clear_preview)
        #self.remove_item_button.triggered.connect(self.slot_removeItem)
        self.text_combo.triggered[int].connect(self.slot_load_preview_text)

        app.focusChanged.connect(self.focusChanged)
        self.text_editor_action.triggered.connect(self.slot_open_dialog)
        self.save_live_action.triggered.connect(self.slot_save_live_text)
        self.save_preview_action.triggered.connect(self.slot_save_preview_text)
        self.streaming_action.triggered.connect(self.slot_toggle_streaming)
        self.auto_publish_action.toggled.connect(self.slot_auto_publish)
        self.preview_size_action.triggered[QtGui.QAction].connect(self.slot_preview_font_size)
        self.live_size_action.triggered[QtGui.QAction].connect(self.slot_live_font_size)

        self.next_action.triggered.connect(self.slot_next_item)
        self.previous_action.triggered.connect(self.slot_previous_item)

        app.aboutToQuit.connect(self.kill_streaming)
        self.getLiveCoords()
        print "desktop", app.desktop().availableGeometry()


    def getLiveCoords(self):
        public_rect = self.live_text.geometry()
        global_rect = QtCore.QRect(self.mapToGlobal(public_rect.topLeft()), self.mapToGlobal(public_rect.bottomRight()))
        x = global_rect.x()
        y = global_rect.y()
        self.statusBar().showMessage("live text editor dimensions: x=%r, y=%r, width=%r, height=%r" % (x, y, global_rect.width(), global_rect.height()))

    def getPreviewCoords(self):
        public_rect = self.preview_text.geometry()
        global_rect = QtCore.QRect(self.mapToGlobal(public_rect.topLeft()), self.mapToGlobal(public_rect.bottomRight()))
        return global_rect.x(), global_rect.y()


    def filter_editor_actions(self):

        disabled_action_names = [
            "action_to_plain_text",
            "format_painter",
            "direction_ltr",
            "direction_rtl",
            "format_font_family",
            #"format_font_size",
            "format_text_background_color",
            "format_list_indent_more",
            "format_list_indent_less",
            "format_text_bold",
            "format_text_underline",
            "format_text_strikeout",
            "format_text_italic",
            "format_align_right",
            "format_align_justify",
            "manage_link",
            "format_text_subscript",
            "format_text_superscript",
            "insert_horizontal_rule"
        ]

        for action in self.live_editor_collection.actions():
            text = str(action.objectName())
            if text in disabled_action_names:
                action.setVisible(False)

            if text == self.default_align_text:
                self.live_center_action = action
            elif text == "format_font_size":
                self.live_size_action = action
            elif text == "format_font_family":
                self.live_font_action = action

        for action in self.preview_editor_collection.actions():
            text = str(action.objectName())
            if text in disabled_action_names:
                action.setVisible(False)

            if text == self.default_align_text:
                self.preview_center_action = action
            elif text == "format_font_size":
                self.preview_size_action = action
            elif text == "format_font_family":
                self.preview_font_action = action

        self.slot_set_preview_defaults()
        self.slot_set_live_defaults()


    def createLiveActions(self):
        self.toolbar.show()
        self.live_text_collection = KActionCollection(self)
        self.live_text_collection.addAssociatedWidget(self.toolbar)

        self.clear_live_action = self.live_text_collection.addAction("clear_live_action")
        icon = QtGui.QIcon.fromTheme(_fromUtf8("edit-clear"))
        self.clear_live_action.setIcon(icon)
        self.clear_live_action.setIconText("clear live")
        self.clear_live_action.setShortcut(KShortcut(QtGui.QKeySequence(QtCore.Qt.ALT + QtCore.Qt.Key_Q)), KAction.ShortcutTypes(KAction.ActiveShortcut | KAction.DefaultShortcut))


        self.save_live_action = self.live_text_collection.addAction("save_live_action")
        icon = QtGui.QIcon.fromTheme(_fromUtf8("document-new"))
        self.save_live_action.setIcon(icon)
        self.save_live_action.setIconText("save live")
        self.save_live_action.setShortcut(KShortcut(QtGui.QKeySequence(QtCore.Qt.ALT + QtCore.Qt.Key_W)), KAction.ShortcutTypes(KAction.ActiveShortcut | KAction.DefaultShortcut))

    def createPreviewActions(self):
        self.toolbar.show()
        self.preview_text_collection = KActionCollection(self)
        self.preview_text_collection.addAssociatedWidget(self.toolbar)

        self.clear_preview_action = self.preview_text_collection.addAction("clear_preview_action")
        icon = QtGui.QIcon.fromTheme(_fromUtf8("edit-clear"))
        self.clear_preview_action.setIcon(icon)
        self.clear_preview_action.setIconText("clear preview")
        #self.clear_preview_action.setObjectName("clear_preview")
        self.clear_preview_action.setShortcut(KShortcut(QtGui.QKeySequence(QtCore.Qt.ALT + QtCore.Qt.Key_A)), KAction.ShortcutTypes(KAction.ActiveShortcut | KAction.DefaultShortcut))


        self.save_preview_action = self.preview_text_collection.addAction("save_preview_action")
        icon = QtGui.QIcon.fromTheme(_fromUtf8("document-new"))
        self.save_preview_action.setIcon(icon)
        self.save_preview_action.setIconText("save preview")
        self.save_preview_action.setShortcut(KShortcut(QtGui.QKeySequence(QtCore.Qt.ALT + QtCore.Qt.Key_S)), KAction.ShortcutTypes(KAction.ActiveShortcut | KAction.DefaultShortcut))


        self.publish_action = self.preview_text_collection.addAction("publish_action")
        icon = QtGui.QIcon.fromTheme(_fromUtf8("media-playback-start"))
        self.publish_action.setIcon(icon)
        self.publish_action.setIconText("publish")
        self.publish_action.setShortcutConfigurable(True)
        self.publish_action.setShortcut(KShortcut(QtGui.QKeySequence(QtCore.Qt.ALT + QtCore.Qt.Key_Return)), KAction.ShortcutTypes(KAction.ActiveShortcut | KAction.DefaultShortcut))


        self.previous_action = self.preview_text_collection.addAction("previous_action")
        icon = QtGui.QIcon.fromTheme(_fromUtf8("media-skip-backward"))
        self.previous_action.setIcon(icon)
        self.previous_action.setIconText("previous")
        self.previous_action.setShortcut(KShortcut(QtGui.QKeySequence(QtCore.Qt.ALT + QtCore.Qt.Key_Left)), KAction.ShortcutTypes(KAction.ActiveShortcut | KAction.DefaultShortcut))

        self.next_action = self.preview_text_collection.addAction("next_action")
        icon = QtGui.QIcon.fromTheme(_fromUtf8("media-skip-forward"))
        self.next_action.setIcon(icon)
        self.next_action.setIconText("next")
        self.next_action.setShortcut(KShortcut(QtGui.QKeySequence(QtCore.Qt.ALT + QtCore.Qt.Key_Right)), KAction.ShortcutTypes(KAction.ActiveShortcut | KAction.DefaultShortcut))

        self.text_editor_action = KToggleAction(self.preview_text_collection)
        icon = QtGui.QIcon.fromTheme(_fromUtf8("document-open"))
        self.text_editor_action.setIcon(icon)
        self.text_editor_action.setIconText("sort")
        self.preview_text_collection.addAction("text editor", self.text_editor_action)
        self.text_editor_action.setObjectName("text_editor_action")
        self.text_editor_action.setShortcut(KShortcut(QtGui.QKeySequence(QtCore.Qt.CTRL + QtCore.Qt.Key_O)), KAction.ShortcutTypes(KAction.ActiveShortcut | KAction.DefaultShortcut))

        self.auto_publish_action = KToggleAction(self.preview_text_collection)
        self.preview_text_collection.addAction("auto publish", self.auto_publish_action)
        icon = QtGui.QIcon.fromTheme(_fromUtf8("view-refresh"))
        self.auto_publish_action.setIcon(icon)
        self.auto_publish_action.setObjectName("auto_publish_action")
        self.auto_publish_action.setIconText("auto publish")

        self.save_action = self.preview_text_collection.addAction("save_action")
        icon = QtGui.QIcon.fromTheme(_fromUtf8("document-save"))
        self.save_action.setIcon(icon)
        self.save_action.setIconText("save")
        self.save_action.setShortcut(KShortcut(QtGui.QKeySequence(QtCore.Qt.CTRL + QtCore.Qt.Key_S)), KAction.ShortcutTypes(KAction.ActiveShortcut | KAction.DefaultShortcut))

        self.streaming_action = KToggleAction(self.preview_text_collection)
        icon = QtGui.QIcon.fromTheme(_fromUtf8("media-record"))
        self.streaming_action.setIcon(icon)
        self.streaming_action.setIconText("stream")
        self.streaming_action.setObjectName("stream")
        self.streaming_action.setShortcut(KShortcut(QtGui.QKeySequence(QtCore.Qt.CTRL + QtCore.Qt.Key_1)), KAction.ShortcutTypes(KAction.ActiveShortcut | KAction.DefaultShortcut))
        self.preview_text_collection.addAction("stream", self.streaming_action)

        #self.valign_action = self.preview_text_collection.addAction("valign_action")
        #icon = QtGui.QIcon.fromTheme(_fromUtf8("media-stop"))
        #self.valign_action.setIcon(icon)
        #self.valign_action.setIconText("valign")
        #self.valign_action.setShortcut(KShortcut(QtGui.QKeySequence(QtCore.Qt.CTRL + QtCore.Qt.Key_Plus)), KAction.ShortcutTypes(KAction.ActiveShortcut | KAction.DefaultShortcut))

        self.spacer = KToolBarSpacerAction(self.preview_text_collection)
        self.preview_text_collection.addAction("spacer", self.spacer)

        self.text_combo = KSelectAction(self.preview_text_collection)
        self.text_combo.setEditable(False)
        icon = QtGui.QIcon.fromTheme(_fromUtf8("document-open-recent"))
        self.text_combo.setIcon(icon)
        self.text_combo.setIconText("saved texts")
        self.text_combo.setObjectName("text_combo")
        self.preview_text_collection.addAction("saved texts", self.text_combo)

    def slot_auto_publish(self, state):
        self.is_auto_publish = bool(state)


    def slot_toggle_streaming(self):
        if self.ffserver is None:
            self.start_streaming()
        else:
            self.kill_streaming()


    def kill_streaming(self):
        self.is_streaming = False
        if self.ffmpeg is not None:
            self.ffmpeg.kill()
            self.ffmpeg = None
        if self.ffserver is not None:
            self.ffserver.kill()
            self.ffserver = None

    def start_streaming(self):
        public_rect = self.live_text.geometry()
        global_rect = QtCore.QRect(self.mapToGlobal(public_rect.topLeft()), self.mapToGlobal(public_rect.bottomRight()))
        self.ffserver = subprocess.Popen("/usr/bin/ffserver -f /etc/ffserver.conf", shell=True, close_fds=True)
        self.ffmpeg = subprocess.Popen("/usr/bin/ffmpeg -f x11grab -s 768x576 -r 25 -i :0.0+%d,%d -vcodec mjpeg -pix_fmt yuvj422p -r 25 -aspect 4:3 http://localhost:8090/webcam.ffm" % (global_rect.x(), global_rect.y()), shell=True, close_fds=True)
        self.is_streaming = True

    def focusChanged(self, old, new):
        if new == self.preview_text:
            self.live_editor_collection.clearAssociatedWidgets()
            self.preview_editor_collection.addAssociatedWidget(self.toolbar)
        elif new == self.live_text:
            self.preview_editor_collection.clearAssociatedWidgets()
            self.live_editor_collection.addAssociatedWidget(self.toolbar)

    def custom_clear(self, cursor):
        cursor.beginEditBlock()
        cursor.movePosition(QtGui.QTextCursor.Start);
        cursor.movePosition(QtGui.QTextCursor.End, QtGui.QTextCursor.KeepAnchor);
        cursor.removeSelectedText()
        cursor.endEditBlock()


    def get_preview_text(self, text):
        return re.sub(" +", " ", text.replace("\n", " ")).strip()[:20]


    def title_by_index(self, ix):
        for title, (text, index) in self.items.iteritems():
            if index == ix:
                return title
        return None


    def slot_next_item(self):
        self.current = (self.text_combo.currentItem() + 1) % len(self.model.text_db)
        self.text_combo.setCurrentItem(self.current)
        self.slot_load_preview_text(self.current)


    def slot_previous_item(self):
        self.current = (self.text_combo.currentItem() - 1) % len(self.model.text_db)
        self.text_combo.setCurrentItem(self.current)
        self.slot_load_preview_text(self.current)


    def slot_toggleToolbox(self, index):
        if index == 0:
            self.toolBar.setEnabled(True)
        else:
            self.toolBar.setEnabled(False)


    def slot_publish(self):
        self.live_text.setTextOrHtml(self.preview_text.textOrHtml())

    def slot_live_font_size(self, action):
        print "font_size"
        self.default_size = self.live_size_action.fontSize()
        self.slot_set_preview_defaults()
        self.slot_set_live_defaults()


    def slot_preview_font_size(self, action):
        print "font_size"
        self.default_size = self.preview_size_action.fontSize()
        self.slot_set_live_defaults()
        self.slot_set_preview_defaults()


    def slot_toggle_publish(self, state=None):

        if state:
            self.slot_publish()
        else:
            self.slot_clear_live()


    def slot_set_preview_defaults(self):
        self.preview_center_action.setChecked(True)
        self.preview_text.alignCenter()
        self.font.setPointSize(self.default_size)
        self.preview_text.setFontSize(self.default_size)
        self.preview_text.setFont(self.font)
        self.preview_size_action.setFontSize(self.default_size)
        self.preview_text.document().setDefaultFont(self.font)


    def slot_set_live_defaults(self):
        self.live_center_action.setChecked(True)
        self.live_text.alignCenter()
        self.font.setPointSize(self.default_size)
        self.live_text.setFontSize(self.default_size)
        self.live_text.setFont(self.font)
        self.live_size_action.setFontSize(self.default_size)
        self.live_text.document().setDefaultFont(self.font)


    def slot_clear_live(self):
        self.live_text.clear()
        self.slot_set_live_defaults()


    def slot_clear_preview(self):
        self.preview_text.clear()
        self.slot_set_preview_defaults()

    def fill_combo_box(self):
        print "fill_combo_box"
        self.text_combo.clear()
        for preview, text in self.model.text_db:
            self.text_combo.addAction(preview)

        self.text_combo.setCurrentItem(0)
        self.slot_load_preview_text(0)


    def slot_removeItem(self):
        text = self.edit_item_selection.currentText()
        index = self.edit_item_selection.currentIndex()
        title = text.split(": ")[1]
        del self.items[title]
        self.edit_item_selection.removeItem(index)
        new_index = self.edit_item_selection.currentIndex()
        if new_index != -1:
            self.slot_editLoadItem()
        else:
            self.item_title.clear()
            self.item_position_input.setValue(0)


    def slot_load_preview_text(self, index):
        try:
            preview, text = self.model.text_db[index]
        except IndexError:
            return
        self.preview_text.setTextOrHtml(text)
        if self.is_auto_publish:
            self.live_text.setTextOrHtml(text)


    def slot_save_live_text(self):
        text = self.live_text.toHtml()
        preview = self.get_preview_text(unicode(self.live_text.toPlainText()))
        if not preview:
            return
        old_item = self.model.text_by_preview(preview)
        if old_item is not None:
            suffix = 1
            while 1:
                tmp_preview = "%s_%d" % (preview, suffix)
                tmp = self.model.text_by_preview(tmp_preview)
                if tmp is None:
                    preview = tmp_preview
                    break
                else:
                    suffix += 1

        self.model.text_db.append([preview, text])
        self.model.modelReset.emit()
        action = self.text_combo.addAction(preview)
        self.text_combo.setCurrentAction(action)

    def slot_save_preview_text(self):
        text = self.preview_text.toHtml()
        preview = self.get_preview_text(unicode(self.preview_text.toPlainText()))

        if not preview:
            return
        old_item = self.model.text_by_preview(preview)
        if old_item is not None:
            suffix = 1
            while 1:
                tmp_preview = "%s_%d" % (preview, suffix)
                tmp = self.model.text_by_preview(tmp_preview)
                if tmp is None:
                    preview = tmp_preview
                    break
                else:
                    suffix += 1

        self.model.text_db.append([preview, text])
        self.model.modelReset.emit()
        action = self.text_combo.addAction(preview)
        self.text_combo.setCurrentAction(action)

    def slot_save(self):
        path = os.path.expanduser("~/.texter")
        if not os.path.isdir(path):
            os.mkdir(path)
        try:
            f = open(os.path.join(path, "texter.db"), "w")
        except IOError:
            return
        else:
            cPickle.dump(self.model.text_db, f, cPickle.HIGHEST_PROTOCOL)

    #def slot_valign(self):
        #fm = QtGui.QFontMetrics(self.font)
        ##h = fn.height()
        ##max_lines = 576 / h
        ##text = unicode(self.preview_text.toPlainText())
        ##text = text.strip().strip("\n")
        ##lines = text.count("\n") + 1
        ##self.preview_text.setTextOrHtml("\n" * ((max_lines - lines) / 2) + text)
        ##self.statusBar().showMessage("text lines = %d, line height = %d, max lines = %d" % (lines, h, max_lines))
        #text_layout = QtGui.QTextLayout(self.preview_text.textOrHtml(), self.font, self.preview_text)

        ##self.text_combo.setCurrentAction(action)

        #margin = 10.
        #radius = min(self.preview_text.width()/2.0, self.preview_text.height()/2.0) - margin
        #print "radius", type(radius), radius

        #lineHeight = float(fm.height())
        #print "lineHeight", type(lineHeight), lineHeight
        #y = 0.

        #text_layout.beginLayout()

        #while 1:
            #line = text_layout.createLine()
            #if not line.isValid():
                #break

            #x1 = max(0.0, pow(pow(radius,2)-pow(radius-y,2), 0.5))
            #x2 = max(0.0, pow(pow(radius,2)-pow(radius-(y+lineHeight),2), 0.5))
            #x = max(x1, x2) + margin
            #lineWidth = (self.preview_text.width() - margin) - x

            #line.setLineWidth(lineWidth)
            #line.setPosition(QtCore.QPointF(x, margin+y))
            #y += line.height()

        #text_layout.endLayout()

        #painter = QtGui.QPainter()
        #painter.begin(self.preview_text)
        #painter.setRenderHint(QtGui.QPainter.Antialiasing)
        #painter.fillRect(self.rect(), QtCore.Qt.black)
        #painter.setBrush(QtGui.QBrush(QtCore.Qt.white))
        #painter.setPen(QtGui.QPen(QtCore.Qt.white))
        #text_layout.draw(painter, QtCore.QPoint(0,0))

        #painter.setBrush(QtGui.QBrush(QtGui.QColor("#a6ce39")))
        #painter.setPen(QtGui.QPen(QtCore.Qt.black))
        #painter.drawEllipse(QtCore.QRectF(-radius, margin, 2*radius, 2*radius))
        #painter.end()

    def slot_open_dialog(self):
        self.dialog = KDialog(self)
        self.dialog_widget = TextSorterDialog(self.dialog)
        self.dialog.setMainWidget(self.dialog_widget)
        pos_x, pos_y = self.getPreviewCoords()
        self.dialog.move(pos_x, 0)
        rect = app.desktop().availableGeometry()
        global_width = rect.width()
        global_height = rect.height()
        x = global_width - pos_x - 10
        self.dialog.setFixedSize(x, global_height-40);
        self.dialog.exec_()
        self.fill_combo_box()

    def slot_load(self):
        path = os.path.expanduser("~/.texter")
        if not os.path.isdir(path):
            os.mkdir(path)
        try:
            f = open(os.path.join(path, "texter.db"))
        except IOError:
            return

        try:
            self.model.text_db = [list(i) for  i in cPickle.load(f)]
        except Exception, e:
            print e

        self.fill_combo_box()
        self.text_combo.setCurrentItem(0)
        self.slot_load_preview_text(0)
        self.slot_load_preview_text(0)


def main():
    window = MainWindow()
    app.exec_()


if ( __name__ == '__main__' ):
    main()