summaryrefslogtreecommitdiffstats
path: root/languages/python/app_templates/pyqt/app.py
blob: d2207de3111268e4158c1129f1e5728e2e2856e5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
#!/usr/bin/env python

#############################################################################
# %{APPNAME} - PyQT application template for KDevelop
#
# Translated from C++ qmakeapp.cpp
# (qmakeapp.cpp - Copyright (C) 1992-2002 Trolltech AS.  All rights reserved.)
#
# This file is part of an example program for Qt.  This example
# program may be used, distributed and modified without limitation.
#
#############################################################################

import sys
import os.path
from qt import *

import documentdetails

false = 0
true = 1

def load_QPixMap(fileName):
    f = open(os.path.join(sys.path[0],fileName),"r")
    result = QPixmap(f.readlines())
    f.close()
    return result

class %{APPNAME}(QMainWindow):
    """An application called %{APPNAME}."""

    def __init__(self):
        QMainWindow.__init__(self, None, "%{APPNAME}")
        self.initIcons()
        self.setup()
        self.initPrinter()
        self.initToolBar()
        self.initMenu()
        self.initMainWidget()
        self.setCaption(self.appTitle)

    def setup(self):

        self.appTitle = "%{APPNAME} - PyQT Application Example"

        self.menu = [
            ('&File',
              [('&New', self.slotNewFile),
               ('&Open...', self.slotOpenFile, self.openIcon),
               ('&Save', self.slotSaveFile, self.saveIcon),
               ('Save &as...', self.slotSaveAs),
               ('&Print...', self.slotPrint, self.printIcon),
               ('&Edit details...', self.slotEditDetails),
               (None,)]),
             ('&Help',
              [('&About', self.slotAbout),
               ('About &QT', self.slotAboutQT),
               (None, ),
               ('What\'s this', self.slotWhatsThis)])
             ]

        self.toolbar = [
            ("filetools", "file operations", "File Operations", 
             [("fileopen",
               (self.openIcon, "open file", "Open File", self.slotOpenFile),
               "<p>Click this button to open a <em>new file</em>. <br>" + \
               "You can also select the <b>Open</b> command " + \
               "from the <b>File</b> menu.</p>"),
              ("filesave",
               (self.saveIcon, "save file", "Save File", self.slotSaveFile),
               "<p>Click this button to save the file you " + \
                 "are editing. You will be prompted for a file name.\n" + \
                 "You can also select the <b>Save</b> command " + \
                 "from the <b>File</b> menu.</p>"),
              ("fileprint",
               (self.printIcon, "print file", "Print File", self.slotPrint),
               "Click this button to print the file you " + \
               "are editing.\n You can also select the Print " + \
               "command from the File menu."
               )])]

        self.fileName = ""


    def initMainWidget(self):
        self.editor = QTextEdit(self, "editor")
        self.editor.setFocus()
        self.setCentralWidget(self.editor)
        self.statusBar().message("Ready", 2000)
        self.resize(450,600)

    def initPrinter(self):
        self.printer = QPrinter()

    def initIcons(self):
        self.openIcon = QIconSet( load_QPixMap("fileopen.pyxpm"))
        self.saveIcon = QIconSet( load_QPixMap("filesave.pyxpm"))
        self.printIcon = QIconSet( load_QPixMap("fileprint.pyxpm"))

    def initToolBar(self):

        self.toolbars = {}
        for (toolBarID, toolBarName, toolBarDescr, toolBarButtons) in self.toolbar:
            self.toolbars[toolBarID] = QToolBar(self, toolBarName)
            self.toolbars[toolBarID].setLabel(toolBarDescr)
            for (buttonID, (buttonIcon, buttonName, buttonText, buttonSlot), whatsThisText) in toolBarButtons:
                toolButton = QToolButton(buttonIcon, buttonText, "", buttonSlot, self.toolbars[toolBarID], buttonName)
                QWhatsThis.add( toolButton, whatsThisText )
            self.whatsThisButton = QWhatsThis.whatsThisButton(self.toolbars[toolBarID])


    def initMenu(self):

        for (menuName, subMenu) in self.menu:
            menu = QPopupMenu(self)
            self.menuBar().insertItem( menuName, menu )
            for menuOption in subMenu:
                if len(menuOption)==1:
                    menu.insertSeparator()
                elif len(menuOption)==2:
                    menu.insertItem( menuOption[0], menuOption[1] )
                elif len(menuOption)==3:
                    menu.insertItem( menuOption[2], \
                                     menuOption[0], \
                                     menuOption[1] )

        

    def slotNewFile(self):
        ed = %{APPNAME}()
        ed.setCaption(self.appTitle)
        ed.show()

    def slotOpenFile(self):
        fileName = str(QFileDialog.getOpenFileName("", "", self))
        print(fileName)
        if not fileName=="":
            self.load(fileName)
        else:
            self.statusBar().message("Loading aborted", 2000)

    def slotSaveFile(self):
        if self.fileName=="":
            self.saveAs()
            return
        self.save()


    def slotSaveAs(self):
        pass

    def slotPrint(self):
        margin = 10
        pageno = 1
        if self.printer.setup(self):
            self.statusBar().message("Printing...");
            p = QPainter()
            if not p.begin(self.printer): return

            p.setFont( self.editor.font() )
            yPos = 0
            fontMetrics = p.fontMetrics()
            metrics = QPaintDeviceMetrics(self.printer)
            for i in range(self.editor.lines()):
                if margin + yPos > metrics.height() - margin:
                    pageNo += 1
                    self.statusBar().message("Printing (page " + pageNo + ")...")
                    self.printer.newPage()
                    yPos = 0
                p.drawText( margin, margin+yPos, \
                            metrics.width(), \
                            fontMetrics.lineSpacing(), \
                            QPainter.ExpandTabs | QPainter.DontClip, \
                            self.editor.text(i) )
                yPos += fontMetrics.lineSpacing()
            p.end()
            self.statusBar().message("Printing completed", 2000)
        else:
            self.statusBar().message("Printing aborted", 2000)
            
    def slotClose(self):
        pass
    
    def slotQuit(self):
        pass
        
    def slotEditDetails(self):
        docDet = documentdetails.documentDetails(self)
        docDet.show()

    def slotWhatsThis(self):
        self.whatsThis()

    def slotAbout(self):
        QMessageBox.about(self, self.appTitle, \
                          "This example demonstrates the simple use of\n" + \
                          "QMainWindow, QMenuBar and QToolBar using QT\n" + \
                          "and Python.")

    def slotAboutQT(self):
        QMessageBox.aboutQt(self, self.appTitle)

    def load(self,fileName):
        f = open(fileName,"r")
        if f:
            self.editor.setText( f.read() )
            self.editor.setModified(false)
            self.setCaption(fileName)
            self.statusBar().message("Loaded document " + fileName, 2000)
            self.fileName = fileName
        else:
            self.statusBar().message("Could not load " + fileName, 5000)
            return

    def saveAs(self):
        fileName = str(QFileDialog.getSaveFileName(None, None, self))
        if fileName!="":
            self.fileName = fileName
            self.save()
        else:
            self.statusBar().message("Saving aborted", 2000)

    def save(self):
        if self.fileName=="":
            self.saveAs()
            return
        text = str(self.editor.text())
        try:
            f = open(self.fileName, "w")
            f.write(text)
        except:
            self.statusBar().message("Could not write to " + self.fileName)
            f.close()
            return
        f.close()
        self.editor.setModified(false)
        self.setCaption(self.fileName)
        self.statusBar().message( "File " + self.fileName + " saved", 2000)

    def closeEvent(self, closeEvent):
        if not self.editor.isModified():
            closeEvent.accept()
            return

        yesNoCancel = QMessageBox.information(self, self.appTitle,
                                              "Do you want to save the changes\n" + \
                                              "to the document?", \
                                              "Yes", "No", "Cancel",
                                              0, 1)
        if yesNoCancel == 0:
            self.save()
            closeEvent.accept()
        elif yesNoCancel == 1:
            closeEvent.accept()
        else:
            closeEvent.ignore()
            
                                              


def main(args):
    app=QApplication(args)
    mainWindow = %{APPNAME}()
    mainWindow.show()
    app.connect(app, SIGNAL("lastWindowClosed()"), app, SLOT("quit()"))
    app.exec_loop()



if __name__ == "__main__":
    main(sys.argv)