Cutlery/calibre
1
0
Fork 0
mirror of https://github.com/kovidgoyal/calibre.git synced 2025-07-07 10:14:46 -04:00
Code Issues Packages Projects Releases Wiki Activity

Signal to notify when selection state changes

Browse Source
This commit is contained in:
Kovid Goyal 2013-12-03 16:40:12 +05:30
parent 107cfa8f1e
commit f1b59e849d
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/calibre/gui2/tweak_book/editor/image.py
View File

@ -11,7 +11,7 @@ from functools import wraps
from PyQt4.Qt import (
QWidget, QImage, QPainter, QColor, QApplication, Qt, QPixmap, QRectF,
QPointF, QPen)
QPointF, QPen, pyqtSignal)
from calibre import fit_image
@ -52,6 +52,12 @@ class Canvas(QWidget):
SHADE_COLOR = QColor(0, 0, 0, 180)
SELECT_PEN = QPen(QColor(Qt.white))
selection_state_changed = pyqtSignal(object)
@property
def has_selection(self):
return self.selection_state.current_mode == 'selected'
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.setMouseTracking(True)
@ -209,6 +215,7 @@ class Canvas(QWidget):
self.selection_state.reset(full=False)
if self.selection_state.current_mode == 'select':
self.selection_state.current_mode = 'selected'
self.selection_state_changed.emit(True)
self.update()
@painter