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1 from kivy.uix.relativelayout import RelativeLayout |
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2 from kivy.uix.stacklayout import StackLayout |
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3 from kivy.uix.behaviors import ToggleButtonBehavior |
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4 from kivy.uix.togglebutton import ToggleButton |
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5 from kivy.lang import Builder |
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6 import kivy.properties as kp |
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7 import os |
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8 |
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9 from .context_menu import AbstractMenu, AbstractMenuItem, AbstractMenuItemHoverable |
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10 |
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11 |
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12 class AppMenu(StackLayout, AbstractMenu): |
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13 bounding_box = kp.ObjectProperty(None) |
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14 |
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15 def __init__(self, *args, **kwargs): |
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16 super(AppMenu, self).__init__(*args, **kwargs) |
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17 self.hovered_menu_item = None |
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18 |
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19 def update_height(self): |
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20 max_height = 0 |
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21 for widget in self.menu_item_widgets: |
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22 if widget.height > max_height: |
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23 max_height = widget.height |
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24 return max_height |
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25 |
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26 def on_children(self, obj, new_children): |
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27 for w in new_children: |
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28 # bind events that update app menu height when any of its children resize |
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29 w.bind(on_size=self.update_height) |
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30 w.bind(on_height=self.update_height) |
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31 |
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32 def get_context_menu_root_parent(self): |
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33 return self |
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34 |
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35 def self_or_submenu_collide_with_point(self, x, y): |
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36 collide_widget = None |
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37 |
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38 # Iterate all siblings and all children |
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39 for widget in self.menu_item_widgets: |
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40 widget_pos = widget.to_window(0, 0) |
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41 if widget.collide_point(x - widget_pos[0], y - widget_pos[1]) and not widget.disabled: |
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42 if self.hovered_menu_item is None: |
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43 self.hovered_menu_item = widget |
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44 |
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45 if self.hovered_menu_item != widget: |
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46 self.hovered_menu_item = widget |
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47 for sibling in widget.siblings: |
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48 sibling.state = 'normal' |
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49 |
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50 if widget.state == 'normal': |
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51 widget.state = 'down' |
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52 widget.on_release() |
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53 |
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54 for sib in widget.siblings: |
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55 sib.hovered = False |
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56 elif widget.get_submenu() is not None and not widget.get_submenu().visible: |
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57 widget.state = 'normal' |
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58 |
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59 return collide_widget |
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60 |
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61 def close_all(self): |
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62 for submenu in [w.get_submenu() for w in self.menu_item_widgets if w.get_submenu() is not None]: |
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63 submenu.hide() |
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64 for w in self.menu_item_widgets: |
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65 w.state = 'normal' |
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66 |
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67 def hide_app_menus(self, obj, pos): |
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68 if not self.collide_point(pos.x, pos.y): |
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69 for w in [w for w in self.menu_item_widgets if not w.disabled and w.get_submenu().visible]: |
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70 submenu = w.get_submenu() |
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71 if submenu.self_or_submenu_collide_with_point(pos.x, pos.y) is None: |
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72 self.close_all() |
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73 self._cancel_hover_timer() |
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74 |
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75 |
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76 class AppMenuTextItem(ToggleButton, AbstractMenuItem): |
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77 label = kp.ObjectProperty(None) |
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78 text = kp.StringProperty('') |
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79 font_size = kp.NumericProperty(14) |
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80 color = kp.ListProperty([1, 1, 1, 1]) |
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81 |
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82 def on_release(self): |
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83 submenu = self.get_submenu() |
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84 |
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85 if self.state == 'down': |
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86 root = self._root_parent |
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87 submenu.bounding_box_widget = root.bounding_box if root.bounding_box else root.parent |
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88 |
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89 submenu.bind(visible=self.on_visible) |
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90 submenu.show(self.x, self.y - 1) |
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91 |
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92 for sibling in self.siblings: |
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93 if sibling.get_submenu() is not None: |
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94 sibling.state = 'normal' |
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95 sibling.get_submenu().hide() |
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96 |
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97 self.parent._setup_hover_timer() |
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98 else: |
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99 self.parent._cancel_hover_timer() |
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100 submenu.hide() |
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101 |
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102 def on_visible(self, *args): |
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103 submenu = self.get_submenu() |
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104 if self.width > submenu.get_max_width(): |
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105 submenu.width = self.width |
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106 |
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107 def _check_submenu(self): |
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108 super(AppMenuTextItem, self)._check_submenu() |
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109 self.disabled = (self.get_submenu() is None) |
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110 |
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111 # def on_mouse_down(self): |
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112 # print('on_mouse_down') |
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113 # return True |
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114 |
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115 |
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116 _path = os.path.dirname(os.path.realpath(__file__)) |
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117 Builder.load_file(os.path.join(_path, 'app_menu.kv')) |
