""" python/ui/FontManager.py: CCP4MG Molecular Graphics Program Copyright (C) 2001-2008 University of York, CCLRC Copyright (C) 2009-2010 University of York This library is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License version 3, modified in accordance with the provisions of the license to address the requirements of UK law. You should have received a copy of the modified GNU Lesser General Public License along with this library. If not, copies may be downloaded from http://www.ccp4.ac.uk/ccp4license.php This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. """ import sys import dataobj from global_definitions import * CONTEXT_LIST = ['atom_label','annotation', 'legend','pick_atom_label','applicationFont'] DEFAULT_SIZES = {'atom_label':13, 'pick_atom_label':13,'annotation':18,'legend':32} FONT_LABELS = { 'atom_label' : "Atom labels", 'pick_atom_label' : "Picked atoms", 'annotation' : "Annotation", 'legend' : 'Legend', 'applicationFont' : 'Application font', } class FontManager(dataobj.Dependency): insts = None def __init__(self,params={}): dataobj.Dependency.__init__(self) FontManager.insts = self for item in CONTEXT_LIST: if item == 'applicationFont': setattr(self,item,self.GetValidFont(useSize=False)) else: if item in DEFAULT_SIZES: setattr(self,item,self.GetValidFont(size_in=DEFAULT_SIZES[item])) else: setattr(self,item,self.GetValidFont()) self.setparams(params) def setparams(self,params): for item in CONTEXT_LIST: if params.has_key(item) or params.has_key(item+'_font'): tmp = getattr(self,item) if params.has_key(item): tmp.update(params[item]) if params.has_key(item+'_font'): tmp.update(params[item+'_font']) #print "fontManager.setparams",item,tmp tmp['size'] = int(tmp['size']) setattr(self,item,tmp) self.update(item) def getparams(self): pars = {} for item in CONTEXT_LIST: pars[item] = {} tmp = getattr(self,item,{}) pars[item].update(tmp) #print "fontManager.getparams",pars return pars def getFont(self,mode): if hasattr(self,mode): return getattr(self,mode) else: if mode == 'applicationFont': return self.GetValidFont(useSize=False) else: if mode in DEFAULT_SIZES: return self.GetValidFont(size_in=DEFAULT_SIZES[mode]) else: return self.GetValidFont() def getHtmlFont(self,mode): font = self.getFont(mode) text = 'style=" font-family:\''+ font['family']+'\'; font-size:'+str(font['size'])+'pt;' if font.has_key('weight') and font['weight'] == 'bold': text += ' font-weight:600;' if font.has_key('slant') and font['slant'] == 'i': text += ' font-style:italic;' if font.has_key('underline') and font['underline'] >0: text += ' text-decoration: underline;' text += '"' #font-weight:600; font-style:italic; text-decoration: underline; return text def update_data_status(self,params): for item in CONTEXT_LIST: if params.has_key(item) and params[item] != getattr(self,item): tmp = getattr(self,item) tmp.update(params[item]) setattr(self,item,tmp) self.update(item) def update(self,mode): if mode == 'atom_label': font = self.atom_label for obj in get_dispobj(): if hasattr(obj,"graphmod") and hasattr(obj.graphmod,"obj") and ['MolDisp','HBonds','Contacts'].count(obj.object_type): obj.graphmod.obj.SetTextFont( str(font['family']), str(font['weight']), \ str(font['slant']),font['size'],int(font['underline'])) MAINWINDOW().updateGLWindows() if not sys.argv.count('-quit') and mode == 'applicationFont': from PyQt4 import QtGui app = QtGui.QApplication.instance() style = "QWidget { " if self.applicationFont.has_key('size'): style = style + "font-size : " + str(self.applicationFont['size']) + "pt; " if self.applicationFont.has_key('family'): style = style + "font-family : " + self.applicationFont['family'] + "; " if self.applicationFont.has_key('weight'): style = style + "font-weight : " + self.applicationFont['weight'] + "; " if self.applicationFont.has_key('slant') and self.applicationFont['slant'] == "o" or self.applicationFont['slant'] == "i": style = style + "font-style : " + 'italic' + "; " else: style = style + "font-style : " + 'normal' + "; " if self.applicationFont.has_key('underline') and self.applicationFont['underline'] != 0: style = style + "text-decoration: " + 'underline' + "; " else: style = style + "text-decoration: " + 'none' + "; " style = style + " }" app.setStyleSheet(style) #---------------------------------------------------------------------- def isValidFont(self,font): #---------------------------------------------------------------------- return 1 #---------------------------------------------------------------------- def GetValidFont(self,size_in=18,useSize=True): #---------------------------------------------------------------------- if not sys.argv.count('-quit'): from PyQt4 import QtGui app = QtGui.QApplication.instance() family = app.font().family() if app.font().weight() >50: weight = 'bold' else: weight = 'normal' if app.font().pixelSize()>-1: size = app.font().pixelSize() if size!=size_in and useSize: try: fn = QtGui.QFont(app.font()) fn.setPixelSize(size_in) s2 = fn.pixelSize() if s2 == size_in: size = size_in except: size = app.font().pixelSize() elif app.font().pointSize() > -1: size = app.font().pointSize() if size!=size_in and useSize: try: fn = QtGui.QFont(app.font()) fn.setPointSize(size_in) s2 = fn.pointSize() if s2 == size_in: size = size_in except: size = app.font().pointSize() else: size = size_in if app.font().italic(): slant = 'i' else: slant = 'r' font = { 'family' : family, 'weight' : weight, 'slant' : slant, 'underline' : 0, 'size' : size } else: font = { 'family' : 'Sans Serif', 'weight' : 'medium', 'slant' : 'r', 'underline' : 0, 'size' : size_in } return font