| 1 | # Copyright (C) 2008 Adriano Monteiro Marques. |
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| 2 | # |
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| 3 | # Author: Luis A. Bastiao Silva <luis.kop@gmail.com> |
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| 4 | # |
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| 5 | # This program is free software; you can redistribute it and/or modify |
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| 6 | # it under the terms of the GNU General Public License as published by |
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| 7 | # the Free Software Foundation; either version 2 of the License, or |
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| 8 | # (at your option) any later version. |
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| 9 | # |
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| 10 | # This program is distributed in the hope that it will be useful, |
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| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | # GNU General Public License for more details. |
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| 14 | # |
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| 15 | # You should have received a copy of the GNU General Public License |
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| 16 | # along with this program; if not, write to the Free Software |
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| 17 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 18 | |
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| 19 | |
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| 20 | import gtk |
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| 21 | import gobject |
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| 22 | import math |
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| 23 | |
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| 24 | |
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| 25 | from higwidgets.higcairodesign import cr_rectangule_curve |
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| 26 | |
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| 27 | |
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| 28 | |
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| 29 | """ |
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| 30 | |
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| 31 | ScrolledTab is a widget similar like tabs of Skype @ Windows |
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| 32 | |
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| 33 | Depends: cairo |
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| 34 | |
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| 35 | |
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| 36 | THANKS to: Marcelo Lira |
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| 37 | |
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| 38 | """ |
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| 39 | |
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| 40 | class IconScroller(gtk.EventBox): |
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| 41 | """ |
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| 42 | It's a toggle button that no use gtk.STATE_SELECTED/NORMAL |
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| 43 | because it's cause some troubles in Mac OSX |
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| 44 | It's a try to make a simulation gtk.STATE_SELECTED |
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| 45 | |
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| 46 | |
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| 47 | Note: following gtk+ engine team gtk.Style and gtk.gdk.Window |
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| 48 | is old schoo api (Thanks dx for information) |
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| 49 | """ |
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| 50 | |
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| 51 | __gsignals__ = { |
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| 52 | 'changed': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, |
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| 53 | (gobject.TYPE_INT, )), |
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| 54 | } |
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| 55 | |
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| 56 | |
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| 57 | def __init__(self, name, image, items = None ): |
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| 58 | gtk.EventBox.__init__(self) |
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| 59 | self.add_events(self.get_events() | gtk.gdk.BUTTON_MOTION_MASK|\ |
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| 60 | gtk.gdk.ENTER_NOTIFY_MASK |\ |
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| 61 | gtk.gdk.LEAVE_NOTIFY_MASK |\ |
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| 62 | gtk.gdk.BUTTON_MOTION_MASK|\ |
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| 63 | gtk.gdk.POINTER_MOTION_MASK ) |
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| 64 | |
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| 65 | #self.connect('motion-notify-event', self._mouse_move) |
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| 66 | self.item_list = [] |
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| 67 | self.items = items |
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| 68 | self.vbox = gtk.VBox() |
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| 69 | self.hbox = gtk.HBox() |
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| 70 | self.__handler_id = self.connect("expose-event", self.cb) |
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| 71 | label = gtk.Label('<b>%s</b>' % name) |
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| 72 | label.set_use_markup(True) |
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| 73 | self.label = label |
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| 74 | self.image = gtk.Image() |
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| 75 | self.image.set_from_file(image) |
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| 76 | self.hbox.pack_start(self.image, False, False) |
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| 77 | self.hbox.pack_start(label, False, False) |
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| 78 | self.hbox.set_spacing(10) |
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| 79 | self.vbox.pack_start(self.hbox, False, False) |
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| 80 | self.add(self.vbox) |
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| 81 | self.__enable = True |
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| 82 | self.__name = name |
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| 83 | self.__toggle = True |
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| 84 | |
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| 85 | |
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| 86 | self.expanded = False |
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| 87 | |
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| 88 | # -1 means something like None. it's y coord |
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| 89 | self.over = -1 |
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| 90 | |
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| 91 | self.background_color = [0,0,0,1] |
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| 92 | |
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| 93 | self.__size = None |
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| 94 | self.__items = 0 |
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| 95 | self.__ibox = gtk.VBox() |
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| 96 | self.vbox.pack_start(self.__ibox, False, False) |
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| 97 | self.vbox.set_spacing(5) |
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| 98 | |
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| 99 | |
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| 100 | ##################################### |
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| 101 | # Append items |
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| 102 | if items!=None: |
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| 103 | for item in items: |
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| 104 | if item.has_key('image'): |
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| 105 | i = item['image'] |
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| 106 | else: |
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| 107 | i = None |
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| 108 | self.append_item(item['name'], i) |
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| 109 | |
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| 110 | |
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| 111 | |
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| 112 | def cb(self, w,e): |
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| 113 | """ Hide items - first time """ |
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| 114 | |
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| 115 | #for i in self.item_list: |
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| 116 | # i['box'].hide_all() |
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| 117 | self.expand() |
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| 118 | self.disconnect(self.__handler_id) |
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| 119 | def append_item(self, name, image): |
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| 120 | """ |
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| 121 | Append item (when icon open) |
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| 122 | """ |
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| 123 | hbox = gtk.HBox() |
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| 124 | hbox.set_border_width(4) |
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| 125 | |
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| 126 | label = gtk.Label('<b>%s</b>' % name) |
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| 127 | label.set_use_markup(True) |
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| 128 | img = gtk.Image() |
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| 129 | |
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| 130 | hbox.pack_start(img, False, False) |
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| 131 | hbox.pack_start(label, False, False) |
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| 132 | if image!= None: |
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| 133 | img.set_from_file('%s' % image) |
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| 134 | hbox.set_spacing(10) |
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| 135 | else: |
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| 136 | |
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| 137 | hbox.set_spacing(26) |
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| 138 | |
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| 139 | |
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| 140 | self.__ibox.pack_start(hbox, False, False) |
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| 141 | hbox.hide_all() |
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| 142 | label.hide_all() |
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| 143 | img.hide_all() |
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| 144 | |
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| 145 | self.item_list.append({'name': name, |
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| 146 | 'image':image, |
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| 147 | 'label':label, |
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| 148 | 'img':img, |
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| 149 | 'box': hbox}) |
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| 150 | |
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| 151 | self.__items = self.__items + 1 |
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| 152 | |
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| 153 | def do_realize(self): |
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| 154 | """ build window """ |
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| 155 | gtk.EventBox.do_realize(self) |
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| 156 | self.set_flags(self.flags() | gtk.REALIZED) |
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| 157 | self.draw(self.__enable) |
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| 158 | |
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| 159 | |
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| 160 | def draw(self, selected): |
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| 161 | """ |
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| 162 | Draw label selected or normal |
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| 163 | @param selected: bool if selected or not changed draw color |
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| 164 | |
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| 165 | """ |
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| 166 | # Create window |
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| 167 | cr = self.window.cairo_create() |
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| 168 | |
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| 169 | # Get sizes |
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| 170 | alloc = self.allocation |
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| 171 | x = alloc.x |
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| 172 | y = alloc.y |
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| 173 | height = alloc.height |
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| 174 | width = alloc.width |
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| 175 | |
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| 176 | cr_rectangule_curve(cr, 0,0,width, height, 20) |
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| 177 | color = gtk.gdk.Color(int(math.pow(2, 16) * 250 / 255), \ |
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| 178 | int(math.pow(2,16) * 250 / 255), \ |
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| 179 | int(math.pow(2,16) * 220 / 255), \ |
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| 180 | 0) |
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| 181 | |
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| 182 | state = gtk.STATE_NORMAL |
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| 183 | color = self.get_style().base[state] |
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| 184 | # Parse colors |
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| 185 | cr.set_source_color(color) |
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| 186 | |
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| 187 | cr.fill() |
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| 188 | #cr.set_source_rgba(210/255.0,230/255.0,110/250.0,1) |
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| 189 | |
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| 190 | state = gtk.STATE_SELECTED |
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| 191 | color = self.get_style().base[state] |
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| 192 | cr.set_source_color(color) |
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| 193 | cr_rectangule_curve(cr, 0, 0, width, height, 20) |
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| 194 | cr.stroke() |
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| 195 | |
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| 196 | |
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| 197 | # Mouse over - event |
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| 198 | |
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| 199 | if self.__size!=None and self.over!= -1 : |
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| 200 | |
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| 201 | # Get sizes |
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| 202 | alloc = self.allocation |
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| 203 | width = alloc.width |
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| 204 | |
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| 205 | h = self.__size[1]*self.number_item(self.over) |
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| 206 | cr_rectangule_curve(cr, 2,h ,width-3, self.__size[1], 20) |
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| 207 | state = gtk.STATE_SELECTED |
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| 208 | color = self.get_style().base[state] |
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| 209 | # Parse colors |
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| 210 | cr.set_source_color(color) |
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| 211 | |
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| 212 | cr.fill() |
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| 213 | def _mouse_over(self, event): |
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| 214 | """ |
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| 215 | Mouse over |
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| 216 | """ |
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| 217 | self.over = event.y |
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| 218 | |
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| 219 | |
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| 220 | |
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| 221 | |
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| 222 | def do_size_allocate(self, allocation): |
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| 223 | '''Resizes the window''' |
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| 224 | gtk.EventBox.do_size_allocate(self, allocation) |
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| 225 | |
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| 226 | self.allocation = allocation |
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| 227 | |
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| 228 | |
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| 229 | if self.flags() & gtk.REALIZED: |
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| 230 | self.window.move_resize(*allocation) |
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| 231 | |
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| 232 | def expand(self): |
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| 233 | x = self.get_size_request() |
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| 234 | |
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| 235 | if not self.expanded: |
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| 236 | |
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| 237 | # FIXME |
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| 238 | self.__size = self.get_size_request() |
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| 239 | print self.__size |
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| 240 | if x[1] >=(self.__items+1)*self.__size[1]: |
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| 241 | return |
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| 242 | gobject.timeout_add(10, self._animate_show) |
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| 243 | self.queue_draw() |
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| 244 | self.__enable = not self.__enable |
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| 245 | |
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| 246 | else: |
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| 247 | gobject.timeout_add(10, self._animate_hide) |
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| 248 | self.queue_draw() |
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| 249 | self.__enable = not self.__enable |
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| 250 | |
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| 251 | self.expanded= not self.expanded |
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| 252 | def _animate_show(self): |
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| 253 | x = self.get_size_request() |
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| 254 | if x[1] >(self.__items+1)*self.__size[1]: |
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| 255 | return |
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| 256 | self.set_size_request(x[0], x[1]+self.__size[1]/5) |
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| 257 | if x[1]+self.__size[1]/5 <= self.__size[1] * (self.__items+1) : |
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| 258 | return True |
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| 259 | else: |
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| 260 | return False |
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| 261 | |
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| 262 | def _animate_hide(self): |
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| 263 | x = self.get_size_request() |
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| 264 | |
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| 265 | self.set_size_request(x[0], x[1]-self.__size[1]/5) |
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| 266 | if x[1]-self.__size[1]/5 > self.__size[1] : |
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| 267 | return True |
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| 268 | else: |
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| 269 | return False |
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| 270 | |
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| 271 | |
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| 272 | def do_expose_event(self, event): |
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| 273 | """ |
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| 274 | Render widget |
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| 275 | """ |
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| 276 | |
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| 277 | gtk.EventBox.do_expose_event(self, event) |
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| 278 | self.draw(self.__enable) |
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| 279 | self.propagate_expose(self.vbox, event) |
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| 280 | def do_button_press_event(self, event): |
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| 281 | """ |
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| 282 | Enable / Disable label - change color |
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| 283 | """ |
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| 284 | if event.type == 5: |
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| 285 | return |
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| 286 | if (not self.expanded or ( self.__size != None \ |
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| 287 | and self.__size[1] > event.y)) and self.items!=None: |
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| 288 | self.expand() |
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| 289 | for i in self.item_list: |
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| 290 | if self.expanded: |
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| 291 | i['box'].show_all() |
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| 292 | else: |
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| 293 | i['box'].hide_all() |
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| 294 | self.queue_draw() |
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| 295 | self.emit('changed', self.number_item(event.y)) |
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| 296 | |
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| 297 | def do_button_release_event(self, event): |
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| 298 | if self.expanded: |
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| 299 | return |
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| 300 | def do_leave_notify_event(self, event): |
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| 301 | """ |
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| 302 | Leave notify: put old colour |
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| 303 | """ |
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| 304 | self.draw(self.__enable) |
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| 305 | self.over = -1 |
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| 306 | self.queue_draw() |
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| 307 | |
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| 308 | def do_motion_notify_event(self, event): |
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| 309 | |
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| 310 | if not self.expanded or ( self.__size != None \ |
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| 311 | and self.__size[1] > event.y): |
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| 312 | self.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.HAND2)) |
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| 313 | else: |
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| 314 | self.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.LEFT_PTR)) |
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| 315 | |
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| 316 | self._mouse_over(event) |
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| 317 | self.queue_draw() |
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| 318 | def do_enter_notify_event(self, event): |
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| 319 | |
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| 320 | """ |
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| 321 | Enter notify event: when activate change colour and change over text |
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| 322 | """ |
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| 323 | self.draw(self.__enable) |
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| 324 | |
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| 325 | if not self.expanded or ( self.__size != None \ |
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| 326 | and self.__size[1] > event.y): |
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| 327 | self.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.HAND2)) |
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| 328 | else: |
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| 329 | self.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.LEFT_PTR)) |
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| 330 | self.queue_draw() |
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| 331 | def get_name(self): |
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| 332 | return self.__name |
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| 333 | |
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| 334 | def number_item(self, y): |
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| 335 | if self.__size==None: |
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| 336 | return 0 |
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| 337 | return int(y/self.__size[1]) |
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| 338 | |
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| 339 | |
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| 340 | gobject.type_register(IconScroller) |
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| 341 | |
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| 342 | |
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| 343 | #def main(): |
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| 344 | #w = gtk.Window() |
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| 345 | ##vbox = box() |
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| 346 | #vbox = gtk.VBox() |
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| 347 | #w.add(vbox) |
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| 348 | #t1 = IconScroller(w, 'l') |
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| 349 | #t2 = IconScroller(w, 'l') |
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| 350 | #t1.set_size_request(100,24) |
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| 351 | #t2.set_size_request(100,24) |
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| 352 | #vbox.pack_start(t1) |
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| 353 | #vbox.pack_start(t2) |
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| 354 | #vbox.set_border_width(20) |
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| 355 | #vbox.set_spacing(10) |
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| 356 | #w.show_all() |
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| 357 | #gtk.main() |
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| 358 | |
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| 359 | #if __name__=="__main__": |
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| 360 | #main() |
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| 361 | |
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