| 1 | import pygtk |
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| 2 | pygtk.require('2.0') |
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| 3 | |
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| 4 | import gettext |
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| 5 | gettext.install('pysourceview') |
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| 6 | |
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| 7 | import gtk |
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| 8 | from gtk import TextView |
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| 9 | from gtk import gdk |
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| 10 | import pango |
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| 11 | import gobject |
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| 12 | import pango |
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| 13 | |
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| 14 | # defines |
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| 15 | GUTTER_PIXMAP = 16 |
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| 16 | |
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| 17 | TARGET_COLOR = 200 # DnD color |
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| 18 | |
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| 19 | MIN_NUMBER_WINDOW_WIDTH = 20 |
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| 20 | |
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| 21 | DEFAULT_TAB_WIDTH = 8 |
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| 22 | MAX_TAB_WIDTH = 32 |
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| 23 | |
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| 24 | DEFAULT_MARGIN = 80 |
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| 25 | MAX_MARGIN = 200 |
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| 26 | |
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| 27 | # main view class |
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| 28 | class SourceView(TextView): |
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| 29 | __gproperties__ = { |
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| 30 | "show_line_numbers" : (gobject.TYPE_BOOLEAN, |
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| 31 | _("Show Line Numbers"), |
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| 32 | _("Whether to display line numbers"), |
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| 33 | False, |
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| 34 | gobject.PARAM_READWRITE), |
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| 35 | |
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| 36 | "show_line_markers" : (gobject.TYPE_BOOLEAN, |
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| 37 | _("Show Line Markers"), |
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| 38 | _("Whether to display line marker pixbufs"), |
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| 39 | False, |
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| 40 | gobject.PARAM_READWRITE), |
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| 41 | |
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| 42 | "tabs_width" : (gobject.TYPE_UINT, |
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| 43 | _("Tabs Width"), |
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| 44 | _("Tabs Width"), |
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| 45 | 1, |
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| 46 | MAX_TAB_WIDTH, |
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| 47 | DEFAULT_TAB_WIDTH, |
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| 48 | gobject.PARAM_READWRITE), |
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| 49 | |
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| 50 | "auto_indent" : (gobject.TYPE_BOOLEAN, |
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| 51 | _("Auto Indentation"), |
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| 52 | _("Whether to enable auto indentation"), |
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| 53 | False, |
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| 54 | gobject.PARAM_READWRITE), |
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| 55 | |
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| 56 | "insert_spaces_instead_of_tabs": (gobject.TYPE_BOOLEAN, |
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| 57 | _("Insert Spaces Instead of Tabs"), |
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| 58 | _("Whether to insert spaces instead of tabs"), |
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| 59 | False, |
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| 60 | gobject.PARAM_READWRITE), |
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| 61 | |
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| 62 | "show_margin" : (gobject.TYPE_BOOLEAN, |
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| 63 | _("Show Right Margin"), |
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| 64 | _("Whether to display the right margin"), |
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| 65 | False, |
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| 66 | gobject.PARAM_READWRITE), |
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| 67 | |
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| 68 | "margin" : (gobject.TYPE_UINT, |
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| 69 | _("Margin position"), |
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| 70 | _("Position of the right margin"), |
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| 71 | 1, |
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| 72 | MAX_MARGIN, |
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| 73 | DEFAULT_MARGIN, |
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| 74 | gobject.PARAM_READWRITE), |
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| 75 | |
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| 76 | "smart_home_end" : (gobject.TYPE_BOOLEAN, |
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| 77 | _("Smart Home/End"), |
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| 78 | _("HOME and END keys move to first/last " |
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| 79 | "non whitespace chapters on line before going " |
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| 80 | "to the start/end of the line"), |
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| 81 | False, |
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| 82 | gobject.PARAM_READWRITE), |
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| 83 | |
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| 84 | "highlight_current_line" : (gobject.TYPE_BOOLEAN, |
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| 85 | _("Highlight current line"), |
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| 86 | _("Whether to highlight the current line"), |
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| 87 | False, |
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| 88 | gobject.PARAM_READWRITE), |
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| 89 | |
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| 90 | "indent_on_tab" : (gobject.TYPE_BOOLEAN, |
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| 91 | _("Indent on tab"), |
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| 92 | _("Whether to indent the selected text when the tab key is pressed"), |
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| 93 | True, |
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| 94 | gobject.PARAM_READWRITE) |
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| 95 | } |
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| 96 | |
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| 97 | |
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| 98 | def __init__(self, buffer=None): |
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| 99 | TextView.__init__(self, buffer) |
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| 100 | |
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| 101 | self.tabs_width = DEFAULT_TAB_WIDTH |
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| 102 | self.margin = DEFAULT_MARGIN; |
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| 103 | self.cached_margin_width = -1 |
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| 104 | self.indent_on_tab = True |
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| 105 | self.smart_home_end = False |
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| 106 | self.set_left_margin(2) |
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| 107 | self.set_right_margin(2) |
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| 108 | |
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| 109 | # create members |
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| 110 | self.show_line_numbers = False |
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| 111 | self.show_line_markers = False |
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| 112 | self.auto_indent = False |
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| 113 | self.insert_spaces = False |
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| 114 | self.show_margin = False |
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| 115 | self.highlight_current_line = False |
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| 116 | self.source_buffer = None |
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| 117 | self.source_buffer_handler_id = [] |
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| 118 | self.old_lines = 0 # number of lines |
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| 119 | self.current_line_gc = None |
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| 120 | |
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| 121 | self._set_source_buffer(self.get_buffer()) |
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| 122 | |
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| 123 | # TODO: not yet implemented |
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| 124 | #self.pixmap_cache = dict() |
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| 125 | #self.style_scheme_applied = False |
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| 126 | #self.style_scheme = None |
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| 127 | |
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| 128 | # DnD init |
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| 129 | #tl = self.drag_dest_get_target_list() |
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| 130 | #if tl: |
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| 131 | # tl.append(("application/x-color", 0, TARGET_COLOR)) |
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| 132 | # self.connect("drag_data_received", self.view_dnd_drop) |
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| 133 | # self.connect("notify::buffer", self.notify_buffer0 |
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| 134 | |
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| 135 | def set_show_line_numbers(self, show): |
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| 136 | if show and not self.show_line_numbers: |
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| 137 | if not self.show_line_markers: |
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| 138 | self.set_border_window_size(gtk.TEXT_WINDOW_LEFT, MIN_NUMBER_WINDOW_WIDTH) |
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| 139 | else: |
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| 140 | self.queue_draw() |
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| 141 | self.show_line_numbers = show |
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| 142 | self.notify("show_line_numbers") |
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| 143 | if not show and self.show_line_numbers: |
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| 144 | self.queue_draw() |
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| 145 | self.show_line_numbers = show |
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| 146 | self.notify("show_line_numbers") |
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| 147 | |
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| 148 | def get_show_line_numbers(self): |
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| 149 | return self.show_line_numbers |
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| 150 | |
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| 151 | def set_show_line_markers(self, show): |
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| 152 | if show and not self.show_line_markers: |
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| 153 | if not self.show_line_numbers: |
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| 154 | self.set_border_window_size(gtk.TEXT_WINDOW_LEFT, MIN_NUMBER_WINDOW_WIDTH) |
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| 155 | else: |
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| 156 | self.queue_draw() |
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| 157 | self.show_line_markers = show |
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| 158 | self.notify("show_line_markers") |
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| 159 | if not show and self.show_line_markers: |
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| 160 | self.queue_draw() |
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| 161 | self.show_line_markers = show |
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| 162 | self.notify("show_line_markers") |
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| 163 | |
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| 164 | def get_show_line_markers(self): |
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| 165 | return self.show_line_markers |
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| 166 | |
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| 167 | def set_tabs_width(self, width): |
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| 168 | if width <= 0 or width > MAX_TAB_WIDTH or self.tabs_width == width: |
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| 169 | return |
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| 170 | save_width = self.tabs_width |
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| 171 | self.tabs_width = width |
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| 172 | if self._set_tab_stops_internal(): |
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| 173 | self.notify("tabs_width") |
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| 174 | else: |
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| 175 | self.tabs_width = save_width |
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| 176 | |
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| 177 | def get_tabs_width(self): |
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| 178 | return self.tabs_width |
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| 179 | |
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| 180 | def set_auto_indent(self, enable): |
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| 181 | if self.auto_indent != enable: |
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| 182 | self.auto_indent = enable |
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| 183 | self.notify("auto_indent") |
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| 184 | |
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| 185 | def get_auto_indent(self): |
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| 186 | return self.auto_indent |
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| 187 | |
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| 188 | def set_insert_spaces_instead_of_tabs(self, enable): |
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| 189 | if self.insert_spaces != enable: |
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| 190 | self.insert_spaces = enable |
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| 191 | self.notify("insert_spaces_instead_of_tabs") |
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| 192 | |
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| 193 | def get_insert_spaces_instead_of_tabs(self): |
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| 194 | return self.insert_spaces |
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| 195 | |
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| 196 | def set_show_margin(self, show): |
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| 197 | if self.show_margin != show: |
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| 198 | self.show_margin = show |
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| 199 | self.queue_draw() |
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| 200 | self.notify("show_margin") |
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| 201 | |
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| 202 | def get_show_margin(self): |
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| 203 | return self.show_margin |
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| 204 | |
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| 205 | def set_margin(self, margin): |
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| 206 | if margin < 1 or margin > MAX_MARGIN or self.margin == margin: |
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| 207 | return |
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| 208 | self.margin = margin |
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| 209 | self.cached_margin_width = -1 |
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| 210 | self.queue_draw() |
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| 211 | self.notify("margin") |
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| 212 | |
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| 213 | def get_margin(self): |
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| 214 | return self.margin |
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| 215 | |
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| 216 | def set_smart_home_end(self, enable): |
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| 217 | if not self.smart_home_end == enable: |
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| 218 | self.smart_home_end = enable |
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| 219 | self.notify("smart_home_end") |
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| 220 | |
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| 221 | def get_smart_home_end(self): |
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| 222 | return self.smart_home_end |
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| 223 | |
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| 224 | def set_highlight_current_line(self, enable): |
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| 225 | if not self.highlight_current_line == enable: |
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| 226 | self.highlight_current_line = enable |
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| 227 | self.queue_draw() |
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| 228 | self.notify("highlight_current_line") |
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| 229 | |
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| 230 | def get_highlight_current_line(self): |
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| 231 | return self.highlight_current_line |
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| 232 | |
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| 233 | property_map = { |
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| 234 | 'show-line-numbers': (set_show_line_numbers, get_show_line_numbers), |
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| 235 | 'show-line-marker': (set_show_line_markers, get_show_line_markers), |
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| 236 | 'tabs-width': (set_tabs_width, get_tabs_width), |
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| 237 | 'auto-indent': (set_auto_indent, get_auto_indent), |
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| 238 | 'insert-spaces-instead-of-tabs': (set_insert_spaces_instead_of_tabs, get_insert_spaces_instead_of_tabs), |
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| 239 | 'show-margin': (set_show_margin, get_show_margin), |
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| 240 | 'margin': (set_margin, get_margin), |
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| 241 | 'smart-home-end': (set_smart_home_end, get_smart_home_end), |
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| 242 | 'highlight-current-line': (set_highlight_current_line, get_highlight_current_line) |
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| 243 | } |
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| 244 | |
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| 245 | def do_get_property(self, property): |
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| 246 | if property.name in self._property_map: |
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| 247 | return self._property_map[property.name] |
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| 248 | raise AttributeError, 'unknown property %s' % property.name |
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| 249 | |
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| 250 | def do_set_property(self, property, value): |
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| 251 | if property.name in self._property_map: |
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| 252 | return self._property_map[property.name] |
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| 253 | raise AttributeError, 'unknown property %s' % property.name |
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| 254 | |
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| 255 | # aux |
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| 256 | def _set_tab_stops_internal(self): |
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| 257 | real_tab_width = self._calculate_real_tab_width(self.tabs_width, ' ') |
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| 258 | if real_tab_width < 0: |
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| 259 | return False |
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| 260 | tab_array = pango.TabArray(1, True) |
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| 261 | tab_array.set_tab(0, pango.TAB_LEFT, real_tab_width) |
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| 262 | self.set_tabs(tab_array) |
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| 263 | return True |
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| 264 | |
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| 265 | def _calculate_real_tab_width(self, tab_size, c): |
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| 266 | if tab_size == 0: |
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| 267 | return -1 |
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| 268 | tab_string = c * tab_size |
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| 269 | layout = self.create_pango_layout(tab_string) |
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| 270 | if layout: |
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| 271 | return layout.get_pixel_size()[0] |
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| 272 | return -1 |
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| 273 | |
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| 274 | def _set_source_buffer(self, buffer): |
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| 275 | if self.source_buffer == buffer: |
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| 276 | return |
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| 277 | if self.source_buffer: |
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| 278 | for handler_id in self.source_buffer_handler_id: |
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| 279 | self.source_buffer.disconnect(handler_id) |
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| 280 | if buffer and type(buffer) == SourceBuffer: |
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| 281 | self.source_buffer_handler_id = [ |
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| 282 | self.connect("highlight_updated", self._highlight_updated_cb), |
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| 283 | self.connect("marker-updated", self._marker_updated_cb), |
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| 284 | self.connect("notify::style_scheme", self._buffer_style_scheme_changed_cb), |
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| 285 | ] |
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| 286 | else: |
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| 287 | self.source_buffer = None |
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| 288 | self.source_buffer_handler_id = [] |
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| 289 | |
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| 290 | if buffer: |
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| 291 | self._update_style_scheme() |
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| 292 | |
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| 293 | def _highlight_updated_cb(self, buffer, start, end): |
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| 294 | visible_rect = self.get_visible_rect() |
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| 295 | (y, height) = self.get_line_yrange(start) |
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| 296 | updated_rect.y = y |
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| 297 | (y, height) = self.get_line_yrange(end) |
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| 298 | updated_rect.height = y + height - updated_rect.y |
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| 299 | updated_rect.x = visible_rect.x |
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| 300 | updated_rect.width = visible_rect.width |
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| 301 | |
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| 302 | redraw_rect = updated_rect.intersect(visible_rect) |
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| 303 | if not tuple(redraw_rect) == (0, 0, 0, 0): |
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| 304 | (x, y) = self.buffer_to_window_coord(gtk.TEXT_WINDOW_WIDGET, redraw_rect.x, redraw_rect.y) |
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| 305 | widget_rect = gdk.Rectangle(0, 0, redraw_rect.width, redraw_rect.height) |
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| 306 | self.query_draw_area(widget_rect.x, widget_rect.y, widget_rect.width, widget_rect.height) |
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| 307 | |
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| 308 | def _marker_updated_cb(self, buffer, where): |
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| 309 | if not self.show_line_markers: |
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| 310 | return |
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| 311 | visible_rect = self.get_visible_rect() |
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| 312 | (y, height) = self.get_line_yrange(where) |
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| 313 | updated_rect = gdk.Rectangle(visible_rect.x, y, visible_rect.width, height) |
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| 314 | redraw_rect = updated_rect.intersect(visible_rect) |
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| 315 | if not tuple(redraw_rect) == (0, 0, 0, 0): |
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| 316 | y_win = self.buffer_to_window_coord(gtk.TEXT_WINDOW_WIDGET, 0, redraw_rect.y)[1] |
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| 317 | width = self.get_border_window_size(gtk.TEXT_WINDOW_LEFT) |
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| 318 | self.query_draw_area(0, y_win, width, height) |
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| 319 | |
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| 320 | def _buffer_style_scheme_changed_cb(self, buffer, pspec): |
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| 321 | self._update_style_scheme() |
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| 322 | |
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| 323 | def _update_style_scheme(self): |
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| 324 | # TODO: not yet implemented |
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| 325 | pass |
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| 326 | #buffer = self.get_buffer() |
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| 327 | #if type(buffer) == SourceBuffer: |
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| 328 | # new_scheme = buffer.get_style_scheme() |
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| 329 | #else: |
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| 330 | # new_scheme = None |
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| 331 | |
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| 332 | def do_key_press_event(self, event): |
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| 333 | buf = self.get_buffer() |
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| 334 | modifiers = gtk.accelerator_get_default_mod_mask() |
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| 335 | key = event.keyval |
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| 336 | mark = buf.get_insert() |
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| 337 | cur = buf.get_iter_at_mark(mark) |
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| 338 | |
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| 339 | if key in [gdk.keyval_from_name(name) for name in ['Enter', 'Return']] and \ |
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| 340 | not event.state & gdk.SHIFT_MASK and \ |
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| 341 | self.auto_indent: |
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| 342 | indent = self._compute_indentation(cur) |
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| 343 | if indent: |
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| 344 | # TODO: find im_context |
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| 345 | #if self.im_context.filter_keypress(event): |
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| 346 | # return True |
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| 347 | cur = buf.get_iter_at_mark(mark) |
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| 348 | buf.begin_user_action() |
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| 349 | buf.insert(cur, "\n") |
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| 350 | buf.insert(cur, indent) |
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| 351 | buf.end_user_action() |
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| 352 | self.scroll_mark_onscreen(mark) |
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| 353 | return True |
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| 354 | |
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| 355 | if key in [gdk.keyval_from_name(name) for name in ['Tab', 'KP_Tab', 'ISO_Left_Tab']] and \ |
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| 356 | (event.state & modifiers) in (0, gdk.SHIFT_MASK): |
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| 357 | selection = buf.get_selection_bounds() |
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| 358 | has_selection = bool(selection) |
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| 359 | if not has_selection: |
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| 360 | it = buf.get_iter_at_mark(buf.get_insert()) |
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| 361 | selection = (it, it.copy()) |
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| 362 | |
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| 363 | if self.indent_on_tab: |
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| 364 | if event.state & gdk.SHIFT_MASK: |
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| 365 | self._unindent_lines(selection) |
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| 366 | return True |
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| 367 | if has_selection and \ |
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| 368 | ((selection[0].starts_line() and selection[1].ends_line()) or \ |
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| 369 | (selection[0].get_line() != selection[1].get_line())): |
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| 370 | self._indent_lines(selection) |
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| 371 | return True |
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| 372 | self._insert_tab_or_spaces(selection) |
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| 373 | return True |
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| 374 | TextView.do_key_press_event(self, event) |
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| 375 | |
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| 376 | def _unindent_lines(self, (start, end)): |
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| 377 | #TODO: to be implemented |
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| 378 | pass |
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| 379 | |
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| 380 | def _compute_indentation(self, cur): |
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| 381 | line = cur.get_line() |
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| 382 | buf = self.get_buffer() |
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| 383 | start = buf.get_iter_at_line(line) |
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| 384 | end = start.copy() |
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| 385 | ch = end.get_char() |
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| 386 | |
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| 387 | while ch.isspace() and not ch in ('\n', '\r') and end.compare(cur) < 0: |
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| 388 | if not end.forward_char(): |
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| 389 | break |
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| 390 | ch = end.get_char() |
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| 391 | |
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| 392 | if start.equal(end): |
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| 393 | return None |
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| 394 | |
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| 395 | res = start.get_slice(end) |
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| 396 | return res |
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| 397 | |
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| 398 | def _indent_lines(self, (start, end)): |
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| 399 | buf = self.get_buffer() |
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| 400 | |
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| 401 | start_line = start.get_line() |
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| 402 | end_line = end.get_line() |
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| 403 | |
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| 404 | if end.get_visible_line_offset() == 0 and end_line > start_line: |
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| 405 | end_line -= 1 |
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| 406 | |
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| 407 | if self.get_insert_spaces_instead_of_tabs(): |
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| 408 | tabs_size = self.tabs_width |
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| 409 | tab_buffer = ' ' * tabs_size |
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| 410 | else: |
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| 411 | tab_buffer = "\t" |
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| 412 | |
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| 413 | buf.begin_user_action() |
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| 414 | for i in xrange(start_line, end_line + 1): |
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| 415 | cur = buf.get_iter_at_line(i) |
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| 416 | if cur.ends_line(): |
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| 417 | continue |
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| 418 | buf.insert(cur, tab_buffer, -1) |
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| 419 | buf.end_user_action() |
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| 420 | |
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| 421 | self.scroll_mark_onscreen(buf.get_insert()) |
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| 422 | |
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| 423 | def _insert_tab_or_spaces(self, (start, end)): |
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| 424 | if self.insert_spaces: |
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| 425 | tabs_size = self.tabs_width |
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| 426 | cur = start.copy() |
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| 427 | cur_pos = cur.get_line_offset() |
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| 428 | tab_pos = cur_pos |
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| 429 | while tab_pos > 0: |
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| 430 | cur.backward_char() |
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| 431 | c = cur.get_char() |
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| 432 | if c == '\t': |
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| 433 | break |
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| 434 | tab_pos -= 1 |
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| 435 | num_of_equivalent_spaces = tabs_size - (cur_pos - tab_pos) % tabs_size |
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| 436 | tab_buf = ' ' * num_of_equivalent_spaces |
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| 437 | else: |
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| 438 | tab_buf = '\t' |
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| 439 | |
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| 440 | buf = self.get_buffer() |
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| 441 | buf.begin_user_action() |
|---|
| 442 | buf.delete(start, end) |
|---|
| 443 | buf.insert(start, tab_buf, -1) |
|---|
| 444 | buf.end_user_action() |
|---|
| 445 | |
|---|
| 446 | def do_move_cursor(self, step, count, extend_selection): |
|---|
| 447 | buffer = self.get_buffer() |
|---|
| 448 | mark = buffer.get_insert() |
|---|
| 449 | cur = buffer.get_iter_at_mark(mark) |
|---|
| 450 | it = cur.copy() |
|---|
| 451 | |
|---|
| 452 | if self.smart_home_end and step == gtk.MOVEMENT_DISPLAY_LINE_ENDS and count == -1: |
|---|
| 453 | #move_to_first_char |
|---|
| 454 | it.set_line_offset(0) |
|---|
| 455 | while not it.ends_line(): |
|---|
| 456 | if it.get_char().isspace(): |
|---|
| 457 | it.forward_char() |
|---|
| 458 | else: |
|---|
| 459 | break |
|---|
| 460 | self._do_cursor_move(cur, it, extend_selection) |
|---|
| 461 | return |
|---|
| 462 | elif self.smart_home_end and step == gtk.MOVEMENT_DISPLAY_LINE_ENDS and count == 1: |
|---|
| 463 | #move_to_last_char |
|---|
| 464 | if not it.ends_line(): |
|---|
| 465 | it.forward_to_line_end() |
|---|
| 466 | while not it.starts_line(): |
|---|
| 467 | it.backward_char() |
|---|
| 468 | if not it.get_char().isspace(): |
|---|
| 469 | it.forward_char() |
|---|
| 470 | break |
|---|
| 471 | self._do_cursor_move(cur, it, extend_selection) |
|---|
| 472 | return |
|---|
| 473 | TextView.do_move_cursor(self, step, count, extend_selection) |
|---|
| 474 | |
|---|
| 475 | def _do_cursor_move(self, cur, it, extend_selection): |
|---|
| 476 | buffer = self.get_buffer() |
|---|
| 477 | if not cur.equal(it) or not extend_selection: |
|---|
| 478 | # move_cursor |
|---|
| 479 | if extend_selection: |
|---|
| 480 | buffer.move_mark_by_name("insert", it) |
|---|
| 481 | else: |
|---|
| 482 | buffer.place_cursor(it) |
|---|
| 483 | self.scroll_mark_onscreen(buffer.get_insert()) |
|---|
| 484 | |
|---|
| 485 | def do_expose_event(self, event): |
|---|
| 486 | event_handled = False |
|---|
| 487 | # update highlight |
|---|
| 488 | if event.window == self.get_window(gtk.TEXT_WINDOW_TEXT) and not self.source_buffer is None: |
|---|
| 489 | visible_rect = self.get_visible_rect() |
|---|
| 490 | iter1 = self.get_line_at_y(visible_rect.y)[0] |
|---|
| 491 | iter1.backward_line() |
|---|
| 492 | iter2 = self.get_line_at_y(visible_rect.y + visible_rect.height)[0] |
|---|
| 493 | iter2.forward_line() |
|---|
| 494 | self.source_buffer.update_highlight(iter1, iter2, False) |
|---|
| 495 | |
|---|
| 496 | if event.window == self.get_window(gtk.TEXT_WINDOW_LEFT): |
|---|
| 497 | self._paint_margin(event) |
|---|
| 498 | event_handled = True |
|---|
| 499 | else: |
|---|
| 500 | buffer =self.get_buffer() |
|---|
| 501 | lines = buffer.get_line_count() |
|---|
| 502 | if self.old_lines != lines: |
|---|
| 503 | self.old_lines = lines |
|---|
| 504 | w = self.get_window(gtk.TEXT_WINDOW_LEFT) |
|---|
| 505 | if not w is None: |
|---|
| 506 | w.invalidate_rect(None, False) |
|---|
| 507 | |
|---|
| 508 | if self.highlight_current_line and event.window == self.get_window(gtk.TEXT_WINDOW_TEXT): |
|---|
| 509 | cur = buffer.get_iter_at_mark(buffer.get_insert()) |
|---|
| 510 | (y, height) = self.get_line_yrange(cur) |
|---|
| 511 | visible_rect = self.get_visible_rect() |
|---|
| 512 | (redraw_x, redraw_y) = self.buffer_to_window_coords(gtk.TEXT_WINDOW_TEXT, |
|---|
| 513 | visible_rect.x, visible_rect.y) |
|---|
| 514 | (win_x, win_y) = self.buffer_to_window_coords(gtk.TEXT_WINDOW_TEXT, 0, y) |
|---|
| 515 | redraw_rect = gdk.Rectangle(redraw_x, redraw_y, visible_rect.width, visible_rect.height) |
|---|
| 516 | |
|---|
| 517 | if self.current_line_gc: |
|---|
| 518 | gc = self.current_line_gc |
|---|
| 519 | else: |
|---|
| 520 | gc = self.style.bg_gc[self.state] |
|---|
| 521 | |
|---|
| 522 | if self.get_focus_hadjustment(): |
|---|
| 523 | margin = self.get_left_margin() - int(self.get_focus_hadjustment()) |
|---|
| 524 | else: |
|---|
| 525 | margin = self.get_left_margin() |
|---|
| 526 | |
|---|
| 527 | event.window.draw_rectangle(gc, True, redraw_rect.x + max(0, margin - 1), |
|---|
| 528 | win_y, redraw_rect.width, height) |
|---|
| 529 | |
|---|
| 530 | event_handled = TextView.do_expose_event(self, event) |
|---|
| 531 | |
|---|
| 532 | if self.show_margin and event.window == self.get_window(gtk.TEXT_WINDOW_TEXT): |
|---|
| 533 | if self.cached_margin_width < 0: |
|---|
| 534 | self.cached_margin_width = self._calculate_real_tab_width(self.margin, '_') |
|---|
| 535 | visible_rect = self.get_visible_rect() |
|---|
| 536 | redraw_x, redraw_y = self.buffer_to_window_coords(gtk.TEXT_WINDOW_LEFT, |
|---|
| 537 | visible_rect.x, visible_rect.y) |
|---|
| 538 | redraw_rect = gdk.Rectangle(redraw_x, redraw_y, visible_rect.width, visible_rect.height) |
|---|
| 539 | cr = self.get_window(gtk.TEXT_WINDOW_TEXT).cairo_create() |
|---|
| 540 | cr.rectangle(event.area.x, event.area.y, event.area.width, event.area.height) |
|---|
| 541 | cr.clip() |
|---|
| 542 | x = self.cached_margin_width - \ |
|---|
| 543 | visible_rect.x + redraw_rect.x + 0.5 + \ |
|---|
| 544 | self.get_left_margin() |
|---|
| 545 | cr.set_line_width(1.0) |
|---|
| 546 | cr.move_to(x, redraw_rect.y) |
|---|
| 547 | cr.line_to(x, redraw_rect.y + redraw_rect.height) |
|---|
| 548 | # TODO: get style properties |
|---|
| 549 | alpha = 40 |
|---|
| 550 | line_color = 0 |
|---|
| 551 | toggle = False |
|---|
| 552 | |
|---|
| 553 | if not line_color: |
|---|
| 554 | line_color = self.style.text[gtk.STATE_NORMAL] |
|---|
| 555 | cr.set_source_rgba(line_color.red / 65535., |
|---|
| 556 | line_color.green / 65535., |
|---|
| 557 | line_color.blue / 65535., |
|---|
| 558 | alpha / 255.) |
|---|
| 559 | cr.stroke() |
|---|
| 560 | if toggle: |
|---|
| 561 | # TODO: overlay draw |
|---|
| 562 | pass |
|---|
| 563 | |
|---|
| 564 | |
|---|
| 565 | return event_handled |
|---|
| 566 | |
|---|
| 567 | def do_button_press_event(self, event): |
|---|
| 568 | buf = self.get_buffer() |
|---|
| 569 | if self.show_line_numbers and event.window == self.get_window(gtk.TEXT_WINDOW_LEFT): |
|---|
| 570 | (x_buf, y_buf) = self.window_to_buffer_coord(gtk.TEXT_WINDOW_LEFT, event.x, event.y) |
|---|
| 571 | line_start = self.get_line_at_y(y_buf)[0] |
|---|
| 572 | if event.type == gdk.BUTTON_PRESS and event.button == 1: |
|---|
| 573 | if event.state & gdk.CONTROL_MASK: |
|---|
| 574 | self._select_line(buf, line_start) |
|---|
| 575 | elif event.state & gdk.SHIFT_MASK: |
|---|
| 576 | self._extend_selection_to_line(buf, line_start) |
|---|
| 577 | else: |
|---|
| 578 | buf.place_cursor(line_start) |
|---|
| 579 | elif event.type == gdk._2BUTTON_PRESS and event.button == 1: |
|---|
| 580 | self._select_line(buf, line_start) |
|---|
| 581 | return True |
|---|
| 582 | return TextView.do_button_press_event(self, event) |
|---|
| 583 | |
|---|
| 584 | def _paint_margin(self, event): |
|---|
| 585 | if not self.show_line_numbers and not self.show_line_markers: |
|---|
| 586 | self.set_border_window_size(gtk.TEXT_WINDOW_LEFT, 0) |
|---|
| 587 | return |
|---|
| 588 | win = self.get_window(gtk.TEXT_WINDOW_LEFT) |
|---|
| 589 | buf = self.get_buffer() |
|---|
| 590 | y1 = event.area.y |
|---|
| 591 | y2 = y1 + event.area.height |
|---|
| 592 | (x1, y1) = self.window_to_buffer_coords(gtk.TEXT_WINDOW_LEFT, 0, y1) |
|---|
| 593 | (x2, y2) = self.window_to_buffer_coords(gtk.TEXT_WINDOW_LEFT, 0, y2) |
|---|
| 594 | |
|---|
| 595 | (numbers, pixels) = self._get_lines(y1, y2) |
|---|
| 596 | |
|---|
| 597 | if len(numbers) == 0: |
|---|
| 598 | numbers.append(0) |
|---|
| 599 | pixels.append(0) |
|---|
| 600 | |
|---|
| 601 | tmp = str(max(99, buf.get_line_count())) |
|---|
| 602 | layout = self.create_pango_layout(tmp) |
|---|
| 603 | text_width = layout.get_pixel_size()[0] |
|---|
| 604 | layout.set_width(text_width) |
|---|
| 605 | layout.set_alignment(pango.ALIGN_RIGHT) |
|---|
| 606 | |
|---|
| 607 | if self.show_line_numbers: |
|---|
| 608 | margin_width = text_width + 4 |
|---|
| 609 | else: |
|---|
| 610 | margin_width = 0 |
|---|
| 611 | x_pixmap = margin_width |
|---|
| 612 | if self.show_line_markers: |
|---|
| 613 | margin_width += GUTTER_PIXMAP |
|---|
| 614 | if margin_width == 0: |
|---|
| 615 | return |
|---|
| 616 | |
|---|
| 617 | self.set_border_window_size(gtk.TEXT_WINDOW_LEFT, margin_width) |
|---|
| 618 | markers = None |
|---|
| 619 | if self.source_buffer and self.show_line_markers: |
|---|
| 620 | # TODO: not yet implemented |
|---|
| 621 | pass |
|---|
| 622 | |
|---|
| 623 | #current_marker = markers |
|---|
| 624 | #if current_marker: |
|---|
| 625 | # marker_line = current_marker.data.get_line() |
|---|
| 626 | |
|---|
| 627 | cur = buf.get_iter_at_mark(buf.get_insert()) |
|---|
| 628 | cur_line = cur.get_line() + 1 |
|---|
| 629 | for number, pixel in zip(numbers, pixels): |
|---|
| 630 | pos = self.buffer_to_window_coords(gtk.TEXT_WINDOW_LEFT, 0, pixel)[1] |
|---|
| 631 | if self.show_line_numbers: |
|---|
| 632 | line_to_paint = number + 1 |
|---|
| 633 | if line_to_paint == cur_line: |
|---|
| 634 | layout.set_markup("<b>%d</b>" % line_to_paint) |
|---|
| 635 | else: |
|---|
| 636 | layout.set_markup("%d" % line_to_paint) |
|---|
| 637 | self.style.paint_layout(win, self.state, False, None, self, None, text_width + 2, pos, layout) |
|---|
| 638 | |
|---|
| 639 | if self.show_line_markers and current_marker and marker_line == number: |
|---|
| 640 | # TODO: _draw_line_markers |
|---|
| 641 | pass |
|---|
| 642 | |
|---|
| 643 | |
|---|
| 644 | def _get_lines(self, first_y, last_y): |
|---|
| 645 | buffer_coords = [] |
|---|
| 646 | numbers = [] |
|---|
| 647 | last_line_num = -1 |
|---|
| 648 | it = self.get_line_at_y(first_y)[0] |
|---|
| 649 | |
|---|
| 650 | while not it.is_end(): |
|---|
| 651 | (y, height) = self.get_line_yrange(it) |
|---|
| 652 | buffer_coords.append(y) |
|---|
| 653 | last_line_num = it.get_line() |
|---|
| 654 | numbers.append(last_line_num) |
|---|
| 655 | if y + height >= last_y: |
|---|
| 656 | break |
|---|
| 657 | it.forward_line() |
|---|
| 658 | |
|---|
| 659 | if it.is_end(): |
|---|
| 660 | (y, height) = self.get_line_yrange(it) |
|---|
| 661 | line_num = it.get_line() |
|---|
| 662 | if line_num != last_line_num: |
|---|
| 663 | buffer_coords.append(y) |
|---|
| 664 | numbers.append(line_num) |
|---|
| 665 | |
|---|
| 666 | return (numbers, buffer_coords) |
|---|
| 667 | |
|---|
| 668 | |
|---|
| 669 | |
|---|
| 670 | class SourceBuffer(gtk.TextBuffer): |
|---|
| 671 | pass |
|---|
| 672 | |
|---|
| 673 | gobject.type_register(SourceView) |
|---|
| 674 | |
|---|
| 675 | if __name__ == "__main__": |
|---|
| 676 | import gtk |
|---|
| 677 | class TestApp: |
|---|
| 678 | def destroy(self, widget, data=None): |
|---|
| 679 | gtk.main_quit() |
|---|
| 680 | |
|---|
| 681 | def __init__(self): |
|---|
| 682 | self.window = gtk.Window(gtk.WINDOW_TOPLEVEL) |
|---|
| 683 | self.window.set_size_request(400, 400) |
|---|
| 684 | self.window.connect("destroy", self.destroy) |
|---|
| 685 | self.textview = SourceView() |
|---|
| 686 | self.textview.set_tabs_width(10) |
|---|
| 687 | self.textview.set_auto_indent(True) |
|---|
| 688 | self.textview.set_insert_spaces_instead_of_tabs(True) |
|---|
| 689 | self.textview.set_smart_home_end(True) |
|---|
| 690 | self.textview.set_highlight_current_line(True) |
|---|
| 691 | self.textview.set_show_line_numbers(True) |
|---|
| 692 | self.textview.set_margin(80) |
|---|
| 693 | self.textview.set_show_margin(True) |
|---|
| 694 | self.window.add(self.textview) |
|---|
| 695 | self.window.show_all() |
|---|
| 696 | |
|---|
| 697 | app = TestApp() |
|---|
| 698 | gtk.main() |
|---|
| 699 | |
|---|