fade animation

This commit is contained in:
Stefan Kögl 2014-04-24 10:49:54 +02:00
parent 007ec565e1
commit 8f57a6d36a
1 changed files with 71 additions and 0 deletions

View File

@ -109,6 +109,63 @@ class TextSorterDialog(QtGui.QWidget, Ui_TextSorterDialog):
self.text_list.setCurrentIndex(index) self.text_list.setCurrentIndex(index)
self.text_list.clicked.emit(index) self.text_list.clicked.emit(index)
class FadeAnimation(QtCore.QObject):
animation_started = QtCore.pyqtSignal()
animation_finished = QtCore.pyqtSignal()
animation_stopped = QtCore.pyqtSignal()
def __init__(self, live_text, fade_steps=6, parent=None):
super(FadeAnimation, self).__init__(parent)
self.live_text = live_text
self.fade_steps = fade_steps
self.current_alpha = 255
self.timer = None
def start_animation(self):
print "start_animation"
self.animation_started.emit()
if self.current_alpha == 255:
self.fade_delta = 255 / self.fade_steps
else:
self.fade_delta = -255 / self.fade_steps
self.timer = QtCore.QTimer(self)
self.timer.timeout.connect(self.slot_animate)
self.timer.start(100)
def slot_animate(self):
print "slot_animate"
print "current_alpha", self.current_alpha
if self.fade_delta > 0:
if self.current_alpha > 0:
self.live_text.setStyleSheet("color:%d, %d, %d;" % (self.current_alpha, self.current_alpha,self.current_alpha))
self.current_alpha -= self.fade_delta
else:
self.live_text.setStyleSheet("color:black;")
self.current_alpha = 0
self.timer.stop()
self.timer.timeout.disconnect(self.slot_animate)
self.timer.deleteLater()
self.timer = None
self.animation_finished.emit()
print "animation_finished"
else:
if self.current_alpha < 255:
self.live_text.setStyleSheet("color:%d,%d, %d;" % (self.current_alpha, self.current_alpha,self.current_alpha))
self.current_alpha -= self.fade_delta
else:
self.live_text.setStyleSheet("color:white")
self.current_alpha = 255
self.timer.stop()
self.timer.timeout.disconnect(self.slot_animate)
self.timer.deleteLater()
self.timer = None
self.animation_finished.emit()
print "animation_finished"
class TextAnimation(QtCore.QObject): class TextAnimation(QtCore.QObject):
animation_started = QtCore.pyqtSignal() animation_started = QtCore.pyqtSignal()
@ -229,10 +286,13 @@ class MainWindow(KMainWindow, Ui_MainWindow):
self.animation = TextAnimation(self) self.animation = TextAnimation(self)
self.db_dirty = False self.db_dirty = False
self.is_animate = False self.is_animate = False
self.fade_animation = None
self.is_auto_publish = False self.is_auto_publish = False
self.setupUi(self) self.setupUi(self)
self.fade_animation = FadeAnimation(self.live_text, 6, self)
self.font = QtGui.QFont("monospace", self.default_size) self.font = QtGui.QFont("monospace", self.default_size)
self.font.setStyleHint(QtGui.QFont.TypeWriter) self.font.setStyleHint(QtGui.QFont.TypeWriter)
@ -274,6 +334,7 @@ class MainWindow(KMainWindow, Ui_MainWindow):
self.preview_size_action.triggered[QtGui.QAction].connect(self.slot_preview_font_size) 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.live_size_action.triggered[QtGui.QAction].connect(self.slot_live_font_size)
self.fade_action.triggered.connect(self.slot_fade)
self.next_action.triggered.connect(self.slot_next_item) self.next_action.triggered.connect(self.slot_next_item)
self.previous_action.triggered.connect(self.slot_previous_item) self.previous_action.triggered.connect(self.slot_previous_item)
@ -433,6 +494,12 @@ class MainWindow(KMainWindow, Ui_MainWindow):
spacer = KToolBarSpacerAction(self.action_collection) spacer = KToolBarSpacerAction(self.action_collection)
self.action_collection.addAction("1_spacer", spacer) self.action_collection.addAction("1_spacer", spacer)
self.fade_action = self.action_collection.addAction("fade_action")
#icon = QtGui.QIcon.fromTheme(_fromUtf8("go-previous-view-page"))
#self.fade_action.setIcon(icon)
self.fade_action.setIconText("fade")
self.fade_action.setShortcut(KShortcut(QtGui.QKeySequence(QtCore.Qt.ALT + QtCore.Qt.Key_F)), KAction.ShortcutTypes(KAction.ActiveShortcut | KAction.DefaultShortcut))
self.previous_action = self.action_collection.addAction("previous_action") self.previous_action = self.action_collection.addAction("previous_action")
icon = QtGui.QIcon.fromTheme(_fromUtf8("go-previous-view-page")) icon = QtGui.QIcon.fromTheme(_fromUtf8("go-previous-view-page"))
@ -595,6 +662,10 @@ class MainWindow(KMainWindow, Ui_MainWindow):
def slot_clear_preview(self): def slot_clear_preview(self):
self.preview_text.clear() self.preview_text.clear()
self.slot_set_preview_defaults() self.slot_set_preview_defaults()
def slot_fade(self):
if self.fade_animation.timer is None:
self.fade_animation.start_animation()
def fill_combo_box(self): def fill_combo_box(self):
self.text_combo.clear() self.text_combo.clear()