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# Copyright 2001 - 2016 Ludek Smid [http://www.ospace.net/] |
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# |
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# This file is part of Pygame.UI. |
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# |
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# Pygame.UI is free software; you can redistribute it and/or modify |
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# it under the terms of the Lesser GNU General Public License as published by |
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# the Free Software Foundation; either version 2.1 of the License, or |
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# (at your option) any later version. |
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# |
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# Pygame.UI is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# Lesser GNU General Public License for more details. |
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# |
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# You should have received a copy of the Lesser GNU General Public License |
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# along with Pygame.UI; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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# |
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import pygame |
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import Const |
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from Widget import registerWidget |
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from MetaWidget import MetaWidget |
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from Scrollbar import Scrollbar |
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from Button import Button |
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class ButtonArray(MetaWidget): |
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def __init__(self, parent, **kwargs): |
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MetaWidget.__init__(self, parent) |
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# data |
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self.items = [] |
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self.buttons = [] |
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self.action = None |
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self.rmbAction = None |
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self.hoverAction = None |
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self.selected = None |
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self.selectedButton = None |
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self.highlighted = None |
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self.buttonSize = (1, 1) |
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self.rows = 0 |
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self.columns = 0 |
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self.showSlider = 1 |
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# flags |
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self.processKWArguments(kwargs) |
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parent.registerWidget(self) |
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# create widgets |
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self.vertScrollbar = Scrollbar(self, action = 'onScroll') |
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self.vertScrollbar.subscribeAction('*', self) |
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def layoutWidgets(self): |
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gx, gy = self.theme.getGridParams() |
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r = self.rect |
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self.vertScrollbar.rect = pygame.Rect(r.width - gx, 0, gx, r.height) |
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self.vertScrollbar.visible = self.showSlider |
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self.labels = [] |
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bwidth, bheight = self.buttonSize |
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self.rows = r.height / gy / bheight |
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if self.showSlider: |
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self.columns = (r.width - gx) / gx / bwidth |
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else: |
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self.columns = r.width / gx / bwidth |
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for row in xrange(0, self.rows): |
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for column in xrange(0, self.columns): |
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x = column * gx * bwidth |
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y = row * gy * bheight |
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button = Button(self, action = 'onButtonPressed', rmbAction = 'onRButtonPressed', hoverAction = 'onButtonHighlighted', toggle = 1) |
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button.subscribeAction('*', self) |
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button.rect = pygame.Rect(x, y, bwidth * gx, bheight * gy) |
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self.buttons.append(button) |
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self.vertScrollbar.slider.position = 0 |
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self.vertScrollbar.slider.min = 0 |
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self.vertScrollbar.slider.shown = self.rows |
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self.itemsChanged() |
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def onScroll(self, widget, action, data): |
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self.itemsChanged() |
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def clearSelection(self): |
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if self.selectedButton: |
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self.selectedButton.pressed = 0 |
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self.selectedButton = None |
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def selectItem(self, item): |
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if not item: |
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self.clearSelection() |
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elif item != self.selected: |
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self.clearSelection() |
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self.selected = item |
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self.itemsChanged() |
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def onButtonPressed(self, widget, action, data): |
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self.clearSelection() |
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if widget.pressed: |
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self.selected = widget.data |
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self.selectedButton = widget |
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else: |
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self.selected = None |
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self.processAction(self.action, self.selected) |
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def onRButtonPressed(self, widget, action, data): |
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self.processAction(self.rmbAction, widget.data) |
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def onButtonHighlighted(self, widget, action, data): |
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self.highlighted = widget.data |
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self.processAction(self.hoverAction, self.highlighted if data else None) |
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# redirect mouse wheel events to the scrollbar |
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def processMWUp(self, evt): |
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if self.vertScrollbar: |
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return self.vertScrollbar.processMWUp(evt) |
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def processMWDown(self, evt): |
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if self.vertScrollbar: |
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return self.vertScrollbar.processMWDown(evt) |
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def itemsChanged(self): |
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if self.columns == 0 or self.rows == 0: |
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return |
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if self.items: |
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self.vertScrollbar.slider.max = len(self.items) / self.columns + 1 |
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else: |
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self.vertScrollbar.slider.max = 1 |
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index = 0 |
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pos = int(self.vertScrollbar.slider.position) * self.columns |
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# TODO should be changed |
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if pos >= len(self.items): pos = len(self.items) - 1 |
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for item in self.items[pos:]: |
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if index < len(self.buttons): |
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button = self.buttons[index] |
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button.text = item.text |
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button.align = item.align |
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button.icons = item.icons |
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button.tooltip = item.tooltip |
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button.tooltipTitle = item.tooltipTitle |
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button.statustip = item.statustip |
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button.font = item.font |
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button.data = item |
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button.foreground = item.foreground |
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button.background = item.background |
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button.enabled = item.enabled |
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if not button.visible: button.visible = 1 |
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if item == self.selected: |
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button.pressed = 1 |
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# do not trigger auto update |
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self.__dict__['selectedButton'] = button |
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else: |
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button.pressed = 0 |
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else: |
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break |
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index += 1 |
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while index < len(self.buttons): |
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button = self.buttons[index] |
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button.text = None |
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button.icons = None |
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button.data = None |
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button.tooltip = None |
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button.statustip = None |
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button.pressed = 0 |
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button.enabled = 0 |
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button.foreground = None |
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button.background = None |
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if button.visible: button.visible = 0 |
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index += 1 |
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self.parent.redraw(self) |
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def drawMetaWidget(self, surface): |
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return self.theme.drawListbox(surface, self) |
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registerWidget(ButtonArray, 'buttonarray') |
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ospaceteam /
outerspace
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