Dock.py 10.6 KB
Newer Older
1
2
from pyqtgraph.Qt import QtCore, QtGui

3
from .DockDrop import *
4
5
6
7
8
9
from pyqtgraph.widgets.VerticalLabel import VerticalLabel

class Dock(QtGui.QWidget, DockDrop):
    
    sigStretchChanged = QtCore.Signal()
    
Luke Campagnola's avatar
Luke Campagnola committed
10
    def __init__(self, name, area=None, size=(10, 10), widget=None, hideTitle=False, autoOrientation=True):
11
12
13
14
15
16
        QtGui.QWidget.__init__(self)
        DockDrop.__init__(self)
        self.area = area
        self.label = DockLabel(name, self)
        self.labelHidden = False
        self.moveLabel = True  ## If false, the dock is no longer allowed to move the label.
Luke Campagnola's avatar
Luke Campagnola committed
17
        self.autoOrient = autoOrientation
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
        self.orientation = 'horizontal'
        #self.label.setAlignment(QtCore.Qt.AlignHCenter)
        self.topLayout = QtGui.QGridLayout()
        self.topLayout.setContentsMargins(0, 0, 0, 0)
        self.topLayout.setSpacing(0)
        self.setLayout(self.topLayout)
        self.topLayout.addWidget(self.label, 0, 1)
        self.widgetArea = QtGui.QWidget()
        self.topLayout.addWidget(self.widgetArea, 1, 1)
        self.layout = QtGui.QGridLayout()
        self.layout.setContentsMargins(0, 0, 0, 0)
        self.layout.setSpacing(0)
        self.widgetArea.setLayout(self.layout)
        self.widgetArea.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
        self.widgets = []
        self.currentRow = 0
        #self.titlePos = 'top'
        self.raiseOverlay()
        self.hStyle = """
        Dock > QWidget { 
            border: 1px solid #000; 
            border-radius: 5px; 
            border-top-left-radius: 0px; 
            border-top-right-radius: 0px; 
            border-top-width: 0px;
        }"""
        self.vStyle = """
        Dock > QWidget { 
            border: 1px solid #000; 
            border-radius: 5px; 
            border-top-left-radius: 0px; 
            border-bottom-left-radius: 0px; 
            border-left-width: 0px;
        }"""
        self.nStyle = """
        Dock > QWidget { 
            border: 1px solid #000; 
            border-radius: 5px; 
        }"""
        self.dragStyle = """
        Dock > QWidget { 
            border: 4px solid #00F; 
            border-radius: 5px; 
        }"""
        self.setAutoFillBackground(False)
        self.widgetArea.setStyleSheet(self.hStyle)
        
        self.setStretch(*size)
Luke Campagnola's avatar
Luke Campagnola committed
66
67
68
69
70
71
        
        if widget is not None:
            self.addWidget(widget)

        if hideTitle:
            self.hideTitleBar()
72

73
74
75
76
77
78
    def implements(self, name=None):
        if name is None:
            return ['dock']
        else:
            return name == 'dock'
        
79
    def setStretch(self, x=None, y=None):
80
81
82
83
84
        """
        Set the 'target' size for this Dock. 
        The actual size will be determined by comparing this Dock's
        stretch value to the rest of the docks it shares space with.
        """
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
        #print "setStretch", self, x, y
        #self._stretch = (x, y)
        if x is None:
            x = 0
        if y is None:
            y = 0
        #policy = self.sizePolicy()
        #policy.setHorizontalStretch(x)
        #policy.setVerticalStretch(y)
        #self.setSizePolicy(policy)
        self._stretch = (x, y)
        self.sigStretchChanged.emit()
        #print "setStretch", self, x, y, self.stretch()
        
    def stretch(self):
        #policy = self.sizePolicy()
        #return policy.horizontalStretch(), policy.verticalStretch()
        return self._stretch
        
    #def stretch(self):
        #return self._stretch

    def hideTitleBar(self):
108
109
110
111
        """
        Hide the title bar for this Dock.
        This will prevent the Dock being moved by the user.
        """
112
113
114
115
116
117
118
        self.label.hide()
        self.labelHidden = True
        if 'center' in self.allowedAreas:
            self.allowedAreas.remove('center')
        self.updateStyle()
        
    def showTitleBar(self):
119
120
121
        """
        Show the title bar for this Dock.
        """
122
123
124
125
126
127
        self.label.show()
        self.labelHidden = False
        self.allowedAreas.add('center')
        self.updateStyle()
        
    def setOrientation(self, o='auto', force=False):
128
129
130
131
132
133
        """
        Sets the orientation of the title bar for this Dock.
        Must be one of 'auto', 'horizontal', or 'vertical'.
        By default ('auto'), the orientation is determined
        based on the aspect ratio of the Dock.        
        """
134
        #print self.name(), "setOrientation", o, force
Luke Campagnola's avatar
Luke Campagnola committed
135
        if o == 'auto' and self.autoOrient:
136
137
138
139
140
141
142
143
144
145
146
147
            if self.container().type() == 'tab':
                o = 'horizontal'
            elif self.width() > self.height()*1.5:
                o = 'vertical'
            else:
                o = 'horizontal'
        if force or self.orientation != o:
            self.orientation = o
            self.label.setOrientation(o)
            self.updateStyle()
        
    def updateStyle(self):
148
        ## updates orientation and appearance of title bar
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
        #print self.name(), "update style:", self.orientation, self.moveLabel, self.label.isVisible()
        if self.labelHidden:
            self.widgetArea.setStyleSheet(self.nStyle)
        elif self.orientation == 'vertical':
            self.label.setOrientation('vertical')
            if self.moveLabel:
                #print self.name(), "reclaim label"
                self.topLayout.addWidget(self.label, 1, 0)
            self.widgetArea.setStyleSheet(self.vStyle)
        else:
            self.label.setOrientation('horizontal')
            if self.moveLabel:
                #print self.name(), "reclaim label"
                self.topLayout.addWidget(self.label, 0, 1)
            self.widgetArea.setStyleSheet(self.hStyle)

    def resizeEvent(self, ev):
        self.setOrientation()
        self.resizeOverlay(self.size())

    def name(self):
        return str(self.label.text())

    def container(self):
        return self._container

    def addWidget(self, widget, row=None, col=0, rowspan=1, colspan=1):
176
177
178
179
        """
        Add a new widget to the interior of this Dock. 
        Each Dock uses a QGridLayout to arrange widgets within.
        """
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
        if row is None:
            row = self.currentRow
        self.currentRow = max(row+1, self.currentRow)
        self.widgets.append(widget)
        self.layout.addWidget(widget, row, col, rowspan, colspan)
        self.raiseOverlay()
        
        
    def startDrag(self):
        self.drag = QtGui.QDrag(self)
        mime = QtCore.QMimeData()
        #mime.setPlainText("asd")
        self.drag.setMimeData(mime)
        self.widgetArea.setStyleSheet(self.dragStyle)
        self.update()
        action = self.drag.exec_()
        self.updateStyle()
        
    def float(self):
        self.area.floatDock(self)
            
    def containerChanged(self, c):
        #print self.name(), "container changed"
        self._container = c
        if c.type() != 'tab':
            self.moveLabel = True
            self.label.setDim(False)
        else:
            self.moveLabel = False
            
        self.setOrientation(force=True)

    def __repr__(self):
        return "<Dock %s %s>" % (self.name(), self.stretch())
214

215
216
217
218
219
220
221
222
223
224
225
226
227
    ## PySide bug: We need to explicitly redefine these methods
    ## or else drag/drop events will not be delivered.
    def dragEnterEvent(self, *args):
        DockDrop.dragEnterEvent(self, *args)

    def dragMoveEvent(self, *args):
        DockDrop.dragMoveEvent(self, *args)

    def dragLeaveEvent(self, *args):
        DockDrop.dragLeaveEvent(self, *args)

    def dropEvent(self, *args):
        DockDrop.dropEvent(self, *args)
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
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
class DockLabel(VerticalLabel):
    
    sigClicked = QtCore.Signal(object, object)
    
    def __init__(self, text, dock):
        self.dim = False
        self.fixedWidth = False
        VerticalLabel.__init__(self, text, orientation='horizontal', forceWidth=False)
        self.setAlignment(QtCore.Qt.AlignTop|QtCore.Qt.AlignHCenter)
        self.dock = dock
        self.updateStyle()
        self.setAutoFillBackground(False)

    #def minimumSizeHint(self):
        ##sh = QtGui.QWidget.minimumSizeHint(self)
        #return QtCore.QSize(20, 20)

    def updateStyle(self):
        r = '3px'
        if self.dim:
            fg = '#aaa'
            bg = '#44a'
            border = '#339'
        else:
            fg = '#fff'
            bg = '#66c'
            border = '#55B'
        
        if self.orientation == 'vertical':
            self.vStyle = """DockLabel { 
                background-color : %s; 
                color : %s; 
                border-top-right-radius: 0px; 
                border-top-left-radius: %s; 
                border-bottom-right-radius: 0px; 
                border-bottom-left-radius: %s; 
                border-width: 0px; 
                border-right: 2px solid %s;
                padding-top: 3px;
                padding-bottom: 3px;
            }""" % (bg, fg, r, r, border)
            self.setStyleSheet(self.vStyle)
        else:
            self.hStyle = """DockLabel { 
                background-color : %s; 
                color : %s; 
                border-top-right-radius: %s; 
                border-top-left-radius: %s; 
                border-bottom-right-radius: 0px; 
                border-bottom-left-radius: 0px; 
                border-width: 0px; 
                border-bottom: 2px solid %s;
                padding-left: 3px;
                padding-right: 3px;
            }""" % (bg, fg, r, r, border)
            self.setStyleSheet(self.hStyle)

    def setDim(self, d):
        if self.dim != d:
            self.dim = d
            self.updateStyle()
    
    def setOrientation(self, o):
        VerticalLabel.setOrientation(self, o)
        self.updateStyle()

    def mousePressEvent(self, ev):
        if ev.button() == QtCore.Qt.LeftButton:
            self.pressPos = ev.pos()
            self.startedDrag = False
            ev.accept()
        
    def mouseMoveEvent(self, ev):
        if not self.startedDrag and (ev.pos() - self.pressPos).manhattanLength() > QtGui.QApplication.startDragDistance():
            self.dock.startDrag()
        ev.accept()
        #print ev.pos()
            
    def mouseReleaseEvent(self, ev):
        if not self.startedDrag:
            #self.emit(QtCore.SIGNAL('clicked'), self, ev)
            self.sigClicked.emit(self, ev)
        ev.accept()
        
    def mouseDoubleClickEvent(self, ev):
        if ev.button() == QtCore.Qt.LeftButton:
            self.dock.float()
            
    #def paintEvent(self, ev):
        #p = QtGui.QPainter(self)
        ##p.setBrush(QtGui.QBrush(QtGui.QColor(100, 100, 200)))
        #p.setPen(QtGui.QPen(QtGui.QColor(50, 50, 100)))
        #p.drawRect(self.rect().adjusted(0, 0, -1, -1))
        
        #VerticalLabel.paintEvent(self, ev)