##// END OF EJS Templates
Pulling in content and rewriting from ipython-in-depth.
Brian E. Granger -
Show More
1 NO CONTENT: new file 100644, binary diff hidden
1 NO CONTENT: new file 100644, binary diff hidden
@@ -1,9 +1,149 b''
1 1 {
2 2 "metadata": {
3 "name": "",
4 "signature": "sha256:0abf067a20ebda26a671db997ac954770350d292dff7b7d6a4ace8808f70aca1"
3 "name": ""
5 4 },
6 5 "nbformat": 3,
7 6 "nbformat_minor": 0,
8 "worksheets": []
7 "worksheets": [
8 {
9 "cells": [
10 {
11 "cell_type": "heading",
12 "level": 1,
13 "metadata": {},
14 "source": [
15 "Keyboard Shortcut Customization"
16 ]
17 },
18 {
19 "cell_type": "markdown",
20 "metadata": {},
21 "source": [
22 "Starting with IPython 2.0 keyboard shortcuts in command and edit mode are fully customizable. These customizations are made using the IPython JavaScript API. Here is an example that makes the `r` key available for running a cell:"
23 ]
24 },
25 {
26 "cell_type": "code",
27 "collapsed": false,
28 "input": [
29 "%%javascript\n",
30 "\n",
31 "IPython.keyboard_manager.command_shortcuts.add_shortcut('r', {\n",
32 " help : 'run cell',\n",
33 " help_index : 'zz',\n",
34 " handler : function (event) {\n",
35 " IPython.notebook.execute_cell();\n",
36 " return false;\n",
37 " }}\n",
38 ");"
39 ],
40 "language": "python",
41 "metadata": {},
42 "outputs": [
43 {
44 "javascript": [
45 "\n",
46 "IPython.keyboard_manager.command_shortcuts.add_shortcut('r', {\n",
47 " help : 'run cell',\n",
48 " help_index : 'zz',\n",
49 " handler : function (event) {\n",
50 " IPython.notebook.execute_cell();\n",
51 " return false;\n",
52 " }}\n",
53 ");"
54 ],
55 "metadata": {},
56 "output_type": "display_data",
57 "text": [
58 "<IPython.core.display.Javascript at 0x10e8d1890>"
59 ]
60 }
61 ],
62 "prompt_number": 7
63 },
64 {
65 "cell_type": "markdown",
66 "metadata": {},
67 "source": [
68 "There are a couple of points to mention about this API:\n",
69 "\n",
70 "* The `help_index` field is used to sort the shortcuts in the Keyboard Shortcuts help dialog. It defaults to `zz`.\n",
71 "* When a handler returns `false` it indicates that the event should stop propagating and the default action should not be performed. For further details about the `event` object or event handling, see the jQuery docs.\n",
72 "* If you don't need a `help` or `help_index` field, you can simply pass a function as the second argument to `add_shortcut`."
73 ]
74 },
75 {
76 "cell_type": "code",
77 "collapsed": false,
78 "input": [
79 "%%javascript\n",
80 "\n",
81 "IPython.keyboard_manager.command_shortcuts.add_shortcut('r', function (event) {\n",
82 " IPython.notebook.execute_cell();\n",
83 " return false;\n",
84 "});"
85 ],
86 "language": "python",
87 "metadata": {},
88 "outputs": [
89 {
90 "javascript": [
91 "\n",
92 "IPython.keyboard_manager.command_shortcuts.add_shortcut('r', function (event) {\n",
93 " IPython.notebook.execute_cell();\n",
94 " return false;\n",
95 "});"
96 ],
97 "metadata": {},
98 "output_type": "display_data",
99 "text": [
100 "<IPython.core.display.Javascript at 0x1019baf90>"
101 ]
102 }
103 ],
104 "prompt_number": 11
105 },
106 {
107 "cell_type": "markdown",
108 "metadata": {},
109 "source": [
110 "Likewise, to remove a shortcut, use `remove_shortcut`:"
111 ]
112 },
113 {
114 "cell_type": "code",
115 "collapsed": false,
116 "input": [
117 "%%javascript\n",
118 "\n",
119 "IPython.keyboard_manager.command_shortcuts.remove_shortcut('r');"
120 ],
121 "language": "python",
122 "metadata": {},
123 "outputs": [
124 {
125 "javascript": [
126 "\n",
127 "IPython.keyboard_manager.command_shortcuts.remove_shortcut('r');"
128 ],
129 "metadata": {},
130 "output_type": "display_data",
131 "text": [
132 "<IPython.core.display.Javascript at 0x10e8d1950>"
133 ]
134 }
135 ],
136 "prompt_number": 8
137 },
138 {
139 "cell_type": "markdown",
140 "metadata": {},
141 "source": [
142 "If you want your keyboard shortcuts to be active for all of your notebooks, put the above API calls into your `<profile>/static/custom/custom.js` file."
143 ]
144 }
145 ],
146 "metadata": {}
147 }
148 ]
9 149 } No newline at end of file
@@ -1,7 +1,7 b''
1 1 {
2 2 "metadata": {
3 3 "name": "",
4 "signature": "sha256:f3479d16d8a60d0aa82e5fbffd52552e5649074a7a660730ddca9d5b286692b2"
4 "signature": "sha256:33a14f36e4dad22b2fc23c59ce0e0ed96719007a09f616f240ed5f665e1b871f"
5 5 },
6 6 "nbformat": 3,
7 7 "nbformat_minor": 0,
@@ -53,9 +53,11 b''
53 53 "* [Running the Notebook Server](Running the Notebook Server.ipynb)\n",
54 54 "* [Notebook Dashboard](Notebook Dashboard.ipynb)\n",
55 55 "* [Notebook User Interface](Notebook User Interface.ipynb)\n",
56 "* [Notebook Cell Types](Notebook Cell Types.ipynb)\n",
56 "* [Custom Keyboard Shortcuts](Custom Keyboard Shortcuts.ipynb)\n",
57 57 "* [Working With Code Cells](Working With Code Cells.ipynb)\n",
58 "* [Basic Output](Basic Output.ipynb)\n",
58 59 "* [Working With Markdown Cells](Working With Markdown Cells.ipynb)\n",
60 "* [JavaScript Notebook Extensions](JavaScript Notebook Extensions.ipynb)\n",
59 61 "* [Notebook Security](Notebook Security.ipynb)"
60 62 ]
61 63 },
@@ -71,19 +73,10 b''
71 73 "cell_type": "markdown",
72 74 "metadata": {},
73 75 "source": [
74 "* [Custom Keyboard Shortcuts](Custom Keyboard Shortcuts.ipynb)\n",
75 76 "* [Importing Notebooks](Importing Notebooks.ipynb)\n",
76 77 "* [Connecting with the Qt Console](Connecting with the Qt Console.ipynb)\n",
77 78 "* [Typesetting Equations](Typesetting Equations.ipynb)"
78 79 ]
79 },
80 {
81 "cell_type": "code",
82 "collapsed": false,
83 "input": [],
84 "language": "python",
85 "metadata": {},
86 "outputs": []
87 80 }
88 81 ],
89 82 "metadata": {}
@@ -1,6 +1,7 b''
1 1 {
2 2 "metadata": {
3 "name": ""
3 "name": "",
4 "signature": "sha256:fdeb47a733910a12406e6a2e4f13c2c76fe50b19428feb6ba77c06652fb1d6af"
4 5 },
5 6 "nbformat": 3,
6 7 "nbformat_minor": 0,
@@ -12,235 +13,159 b''
12 13 "level": 1,
13 14 "metadata": {},
14 15 "source": [
15 "User Interface"
16 "Notebook User Interface"
16 17 ]
17 18 },
18 19 {
19 20 "cell_type": "markdown",
20 21 "metadata": {},
21 22 "source": [
22 "This notebook describes the user interface of the IPython Notebook. This includes both mouse and keyboard based navigation and interaction.\n",
23 "\n",
24 "<div class=\"alert\" style=\"margin: 10px\">\n",
25 "As of IPython 2.0, the user interface has changed significantly. Because of this we highly recommend existing users to review this information after upgrading to IPython 2.0. All new users of IPython should review this information as well.\n",
26 "</div>"
27 ]
28 },
29 {
30 "cell_type": "heading",
31 "level": 2,
32 "metadata": {},
33 "source": [
34 "Modal editor"
23 "This notebook describes the user interface of the IPython Notebook. This includes both mouse and keyboard based navigation and interaction."
35 24 ]
36 25 },
37 26 {
38 27 "cell_type": "markdown",
39 28 "metadata": {},
40 29 "source": [
41 "Starting with IPython 2.0, the IPython Notebook has a modal user interface. This means that the keyboard does different things depending on which mode the Notebook is in. There are two modes: edit mode and command mode."
30 "<div class=\"alert\">\n",
31 "As of IPython 2.0, the user interface has changed significantly. Because of this we highly recommend existing users to review this information after upgrading to IPython 2.0. All new users of IPython should review this information as well.\n",
32 "</div>"
42 33 ]
43 34 },
44 35 {
45 36 "cell_type": "heading",
46 "level": 3,
37 "level": 2,
47 38 "metadata": {},
48 39 "source": [
49 "Edit mode"
40 "Overview of the UI"
50 41 ]
51 42 },
52 43 {
53 44 "cell_type": "markdown",
54 45 "metadata": {},
55 46 "source": [
56 "Edit mode is indicated by a green cell border and a prompt showing in the editor area:\n",
57 "\n",
58 "<img src=\"images/edit_mode.png\">\n",
47 "The notebook UI has the following main areas:\n",
59 48 "\n",
60 "When a cell is in edit mode, you can type into the cell, like a normal text editor.\n",
49 "* Menu\n",
50 "* Toolbar\n",
51 "* Notebook area and cells\n",
61 52 "\n",
62 "<div class=\"alert alert-success\" style=\"margin: 10px\">\n",
63 "Enter edit mode by pressing `enter` or using the mouse to click on a cell's editor area.\n",
64 "</div>"
53 "IPython 2.0 has an interactive tour of these elements that can be started in the \"Help:User Interface Tour\" menu item."
65 54 ]
66 55 },
67 56 {
68 57 "cell_type": "heading",
69 "level": 3,
58 "level": 2,
70 59 "metadata": {},
71 60 "source": [
72 "Command mode"
61 "Modal editor"
73 62 ]
74 63 },
75 64 {
76 65 "cell_type": "markdown",
77 66 "metadata": {},
78 67 "source": [
79 "Command mode is indicated by a grey cell border:\n",
80 "\n",
81 "<img src=\"images/command_mode.png\">\n",
82 "\n",
83 "When you are in command mode, you are able to edit the notebook as a whole, but not type into individual cells. Most importantly, in command mode, the keyboard is mapped to a set of shortcuts that let you perform notebook and cell actions efficiently. For example, if you are in command mode and you press `c`, you will copy the current cell - no modifier is needed.\n",
84 "\n",
85 "<div class=\"alert alert-error\" style=\"margin: 10px\">\n",
86 "Don't try to type into a cell in command mode; unexpected things will happen!\n",
87 "</div>\n",
88 "\n",
89 "<div class=\"alert alert-success\" style=\"margin: 10px\">\n",
90 "Enter command mode by pressing `esc` or using the mouse to click *outside* a cell's editor area.\n",
91 "</div>"
68 "Starting with IPython 2.0, the IPython Notebook has a modal user interface. This means that the keyboard does different things depending on which mode the Notebook is in. There are two modes: edit mode and command mode."
92 69 ]
93 70 },
94 71 {
95 72 "cell_type": "heading",
96 "level": 2,
73 "level": 3,
97 74 "metadata": {},
98 75 "source": [
99 "Mouse navigation"
76 "Edit mode"
100 77 ]
101 78 },
102 79 {
103 80 "cell_type": "markdown",
104 81 "metadata": {},
105 82 "source": [
106 "All navigation and actions in the Notebook are available using the mouse through the menubar and toolbar, which are both above the main Notebook area:\n",
83 "Edit mode is indicated by a green cell border and a prompt showing in the editor area:\n",
107 84 "\n",
108 "<img src=\"images/menubar_toolbar.png\">"
109 ]
110 },
111 {
112 "cell_type": "markdown",
113 "metadata": {},
114 "source": [
115 "The first idea of mouse based navigation is that **cells can be selected by clicking on them.** The currently selected cell gets a grey or green border depending on whether the notebook is in edit or command mode. If you click inside a cell's editor area, you will enter edit mode. If you click on the prompt or output area of a cell you will enter command mode.\n",
85 "<img src=\"images/edit_mode.png\">\n",
116 86 "\n",
117 "If you are running this notebook in a live session (not on http://nbviewer.ipython.org) try selecting different cells and going between edit and command mode. Try typing into a cell."
87 "When a cell is in edit mode, you can type into the cell, like a normal text editor."
118 88 ]
119 89 },
120 90 {
121 91 "cell_type": "markdown",
122 92 "metadata": {},
123 93 "source": [
124 "The second idea of mouse based navigation is that **cell actions usually apply to the currently selected cell**. Thus if you want to run the code in a cell, you would select it and click the \"Play\" button in the toolbar or the \"Cell:Run\" menu item. Similarly, to copy a cell you would select it and click the \"Copy\" button in the toolbar or the \"Edit:Copy\" menu item. With this simple pattern, you should be able to do most everything you need with the mouse.\n",
125 "\n",
126 "Markdown and heading cells have one other state that can be modified with the mouse. These cells can either be rendered or unrendered. When they are rendered, you will see a nice formatted representation of the cell's contents. When they are unrendered, you will see the raw text source of the cell. To render the selected cell with the mouse, click the \"Play\" button in the toolbar or the \"Cell:Run\" menu item. To unrender the selected cell, double click on the cell."
94 "<div class=\"alert alert-success\">\n",
95 "Enter edit mode by pressing `Enter` or using the mouse to click on a cell's editor area.\n",
96 "</div>"
127 97 ]
128 98 },
129 99 {
130 100 "cell_type": "heading",
131 "level": 2,
101 "level": 3,
132 102 "metadata": {},
133 103 "source": [
134 "Keyboard Navigation"
104 "Command mode"
135 105 ]
136 106 },
137 107 {
138 108 "cell_type": "markdown",
139 109 "metadata": {},
140 110 "source": [
141 "The modal user interface of the IPython Notebook has been optimized for efficient keyboard usage. This is made possible by having two different sets of keyboard shortcuts: one set that is active in edit mode and another in command mode.\n",
111 "Command mode is indicated by a grey cell border:\n",
142 112 "\n",
143 "The most important keyboard shortcuts are `enter`, which enters edit mode, and `esc`, which enters command mode.\n",
113 "<img src=\"images/command_mode.png\">\n",
144 114 "\n",
145 "In edit mode, most of the keyboard is dedicated to typing into the cell's editor. Thus, in edit mode there are relatively few shortcuts:"
115 "When you are in command mode, you are able to edit the notebook as a whole, but not type into individual cells. Most importantly, in command mode, the keyboard is mapped to a set of shortcuts that let you perform notebook and cell actions efficiently. For example, if you are in command mode and you press `c`, you will copy the current cell - no modifier is needed."
146 116 ]
147 117 },
148 118 {
149 119 "cell_type": "markdown",
150 120 "metadata": {},
151 121 "source": [
152 "The `display_edit_shortcuts()` function used here is defined in the [Utilities section](#Utilities) at the bottom of this notebook."
122 "<div class=\"alert alert-error\">\n",
123 "Don't try to type into a cell in command mode; unexpected things will happen!\n",
124 "</div>"
153 125 ]
154 126 },
155 127 {
156 "cell_type": "code",
157 "collapsed": false,
158 "input": [
159 "display_edit_shortcuts()"
160 ],
161 "language": "python",
128 "cell_type": "markdown",
162 129 "metadata": {},
163 "outputs": [
164 {
165 "html": [
166 "<div class=\"hbox\"><div class=\"box-flex0\"><div class=\"quickhelp\"><span class=\"shortcut_key\">esc</span><span class=\"shortcut_descr\"> : command mode</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">ctrl+m</span><span class=\"shortcut_descr\"> : command mode</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">shift+enter</span><span class=\"shortcut_descr\"> : run cell</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">ctrl+enter</span><span class=\"shortcut_descr\"> : run cell, select below</span></div></div><div class=\"box-flex0\"><div class=\"quickhelp\"><span class=\"shortcut_key\">alt+enter</span><span class=\"shortcut_descr\"> : run cell, insert below</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">alt+-</span><span class=\"shortcut_descr\"> : split cell</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">meta+s</span><span class=\"shortcut_descr\"> : save notebook</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">ctrl+s</span><span class=\"shortcut_descr\"> : save notebook</span></div></div></div>"
167 ],
168 "output_type": "display_data"
130 "source": [
131 "<div class=\"alert alert-success\">\n",
132 "Enter command mode by pressing `Esc` or using the mouse to click *outside* a cell's editor area.\n",
133 "</div>"
134 ]
169 135 },
170 136 {
171 "javascript": [
172 "var help = IPython.quick_help.build_edit_help();\n",
173 "help.children().first().remove();\n",
174 "this.append_output({output_type: 'display_data', html: help.html()});"
175 ],
137 "cell_type": "heading",
138 "level": 2,
176 139 "metadata": {},
177 "output_type": "display_data",
178 "text": [
179 "<IPython.core.display.Javascript at 0x10e8d1a50>"
140 "source": [
141 "Mouse navigation"
180 142 ]
181 }
182 ],
183 "prompt_number": 17
184 143 },
185 144 {
186 145 "cell_type": "markdown",
187 146 "metadata": {},
188 147 "source": [
189 "There are two other keyboard shortcuts in edit mode that are not listed here:\n",
148 "All navigation and actions in the Notebook are available using the mouse through the menubar and toolbar, which are both above the main Notebook area:\n",
190 149 "\n",
191 "* `tab`: trigger \"tab\" completion\n",
192 "* `shift+tab`: open the tooltip"
150 "<img src=\"images/menubar_toolbar.png\">"
193 151 ]
194 152 },
195 153 {
196 154 "cell_type": "markdown",
197 155 "metadata": {},
198 156 "source": [
199 "In command mode, the entire keyboard is available for shortcuts:"
200 ]
201 },
202 {
203 "cell_type": "code",
204 "collapsed": false,
205 "input": [
206 "display_command_shortcuts()"
207 ],
208 "language": "python",
209 "metadata": {},
210 "outputs": [
211 {
212 "html": [
213 "<div class=\"hbox\"><div class=\"box-flex0\"><div class=\"quickhelp\"><span class=\"shortcut_key\">enter</span><span class=\"shortcut_descr\"> : edit mode</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">shift+enter</span><span class=\"shortcut_descr\"> : run cell</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">ctrl+enter</span><span class=\"shortcut_descr\"> : run cell, select below</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">alt+enter</span><span class=\"shortcut_descr\"> : run cell, insert below</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">y</span><span class=\"shortcut_descr\"> : to code</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">m</span><span class=\"shortcut_descr\"> : to markdown</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">t</span><span class=\"shortcut_descr\"> : to raw</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">1</span><span class=\"shortcut_descr\"> : to heading 1</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">2</span><span class=\"shortcut_descr\"> : to heading 2</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">3</span><span class=\"shortcut_descr\"> : to heading 3</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">4</span><span class=\"shortcut_descr\"> : to heading 4</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">5</span><span class=\"shortcut_descr\"> : to heading 5</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">6</span><span class=\"shortcut_descr\"> : to heading 6</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">up</span><span class=\"shortcut_descr\"> : select previous cell</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">down</span><span class=\"shortcut_descr\"> : select next cell</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">k</span><span class=\"shortcut_descr\"> : select previous cell</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">j</span><span class=\"shortcut_descr\"> : select next cell</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">ctrl+k</span><span class=\"shortcut_descr\"> : move cell up</span></div></div><div class=\"box-flex0\"><div class=\"quickhelp\"><span class=\"shortcut_key\">ctrl+j</span><span class=\"shortcut_descr\"> : move cell down</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">a</span><span class=\"shortcut_descr\"> : insert cell above</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">b</span><span class=\"shortcut_descr\"> : insert cell below</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">x</span><span class=\"shortcut_descr\"> : cut cell</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">c</span><span class=\"shortcut_descr\"> : copy cell</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">v</span><span class=\"shortcut_descr\"> : paste cell below</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">z</span><span class=\"shortcut_descr\"> : undo last delete</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">d</span><span class=\"shortcut_descr\"> : delete cell (press twice)</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">shift+=</span><span class=\"shortcut_descr\"> : merge cell below</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">s</span><span class=\"shortcut_descr\"> : save notebook</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">meta+s</span><span class=\"shortcut_descr\"> : save notebook</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">ctrl+s</span><span class=\"shortcut_descr\"> : save notebook</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">l</span><span class=\"shortcut_descr\"> : toggle line numbers</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">o</span><span class=\"shortcut_descr\"> : toggle output</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">shift+o</span><span class=\"shortcut_descr\"> : toggle output</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">h</span><span class=\"shortcut_descr\"> : keyboard shortcuts</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">i</span><span class=\"shortcut_descr\"> : interrupt kernel</span></div><div class=\"quickhelp\"><span class=\"shortcut_key\">.</span><span class=\"shortcut_descr\"> : restart kernel</span></div></div></div>"
214 ],
215 "output_type": "display_data"
216 },
217 {
218 "javascript": [
219 "var help = IPython.quick_help.build_command_help();\n",
220 "help.children().first().remove();\n",
221 "this.append_output({output_type: 'display_data', html: help.html()});"
222 ],
223 "metadata": {},
224 "output_type": "display_data",
225 "text": [
226 "<IPython.core.display.Javascript at 0x10e8d1650>"
157 "The first idea of mouse based navigation is that **cells can be selected by clicking on them.** The currently selected cell gets a grey or green border depending on whether the notebook is in edit or command mode. If you click inside a cell's editor area, you will enter edit mode. If you click on the prompt or output area of a cell you will enter command mode.\n",
158 "\n",
159 "If you are running this notebook in a live session (not on http://nbviewer.ipython.org) try selecting different cells and going between edit and command mode. Try typing into a cell."
227 160 ]
228 }
229 ],
230 "prompt_number": 18
231 161 },
232 162 {
233 163 "cell_type": "markdown",
234 164 "metadata": {},
235 165 "source": [
236 "Here the rough order in which we recommend learning the command mode shortcuts:\n",
166 "The second idea of mouse based navigation is that **cell actions usually apply to the currently selected cell**. Thus if you want to run the code in a cell, you would select it and click the <button><i class=\"icon-play\"></i></button> button in the toolbar or the \"Cell:Run\" menu item. Similarly, to copy a cell you would select it and click the <button><i class=\"icon-copy\"></i></button> button in the toolbar or the \"Edit:Copy\" menu item. With this simple pattern, you should be able to do most everything you need with the mouse.\n",
237 167 "\n",
238 "1. Basic navigation: `enter`, `shift-enter`, `up/k`, `down/j`\n",
239 "2. Saving the notebook: `s`\n",
240 "2. Cell types: `y`, `m`, `1-6`, `t`\n",
241 "3. Cell creation and movement: `a`, `b`, `ctrl+k`, `ctrl+j`\n",
242 "4. Cell editing: `x`, `c`, `v`, `d`, `z`, `shift+=`\n",
243 "5. Kernel operations: `i`, `.`"
168 "Markdown and heading cells have one other state that can be modified with the mouse. These cells can either be rendered or unrendered. When they are rendered, you will see a nice formatted representation of the cell's contents. When they are unrendered, you will see the raw text source of the cell. To render the selected cell with the mouse, click the <button><i class=\"icon-play\"></i></button> button in the toolbar or the \"Cell:Run\" menu item. To unrender the selected cell, double click on the cell."
244 169 ]
245 170 },
246 171 {
@@ -248,134 +173,43 b''
248 173 "level": 2,
249 174 "metadata": {},
250 175 "source": [
251 "Keyboard shortcut customization"
176 "Keyboard Navigation"
252 177 ]
253 178 },
254 179 {
255 180 "cell_type": "markdown",
256 181 "metadata": {},
257 182 "source": [
258 "Starting with IPython 2.0 keyboard shortcuts in command and edit mode are fully customizable. These customizations are made using the IPython JavaScript API. Here is an example that makes the `r` key available for running a cell:"
259 ]
260 },
261 {
262 "cell_type": "code",
263 "collapsed": false,
264 "input": [
265 "%%javascript\n",
183 "The modal user interface of the IPython Notebook has been optimized for efficient keyboard usage. This is made possible by having two different sets of keyboard shortcuts: one set that is active in edit mode and another in command mode.\n",
266 184 "\n",
267 "IPython.keyboard_manager.command_shortcuts.add_shortcut('r', {\n",
268 " help : 'run cell',\n",
269 " help_index : 'zz',\n",
270 " handler : function (event) {\n",
271 " IPython.notebook.execute_cell();\n",
272 " return false;\n",
273 " }}\n",
274 ");"
275 ],
276 "language": "python",
277 "metadata": {},
278 "outputs": [
279 {
280 "javascript": [
185 "The most important keyboard shortcuts are `Enter`, which enters edit mode, and `Esc`, which enters command mode.\n",
281 186 "\n",
282 "IPython.keyboard_manager.command_shortcuts.add_shortcut('r', {\n",
283 " help : 'run cell',\n",
284 " help_index : 'zz',\n",
285 " handler : function (event) {\n",
286 " IPython.notebook.execute_cell();\n",
287 " return false;\n",
288 " }}\n",
289 ");"
290 ],
291 "metadata": {},
292 "output_type": "display_data",
293 "text": [
294 "<IPython.core.display.Javascript at 0x10e8d1890>"
295 ]
296 }
297 ],
298 "prompt_number": 7
299 },
300 {
301 "cell_type": "markdown",
302 "metadata": {},
303 "source": [
304 "There are a couple of points to mention about this API:\n",
187 "In edit mode, most of the keyboard is dedicated to typing into the cell's editor. Thus, in edit mode there are relatively few shortcuts:\n",
305 188 "\n",
306 "* The `help_index` field is used to sort the shortcuts in the Keyboard Shortcuts help dialog. It defaults to `zz`.\n",
307 "* When a handler returns `false` it indicates that the event should stop propagating and the default action should not be performed. For further details about the `event` object or event handling, see the jQuery docs.\n",
308 "* If you don't need a `help` or `help_index` field, you can simply pass a function as the second argument to `add_shortcut`."
189 "<img src=\"images/edit_shortcuts.png\">"
309 190 ]
310 191 },
311 192 {
312 "cell_type": "code",
313 "collapsed": false,
314 "input": [
315 "%%javascript\n",
316 "\n",
317 "IPython.keyboard_manager.command_shortcuts.add_shortcut('r', function (event) {\n",
318 " IPython.notebook.execute_cell();\n",
319 " return false;\n",
320 "});"
321 ],
322 "language": "python",
323 "metadata": {},
324 "outputs": [
325 {
326 "javascript": [
327 "\n",
328 "IPython.keyboard_manager.command_shortcuts.add_shortcut('r', function (event) {\n",
329 " IPython.notebook.execute_cell();\n",
330 " return false;\n",
331 "});"
332 ],
333 "metadata": {},
334 "output_type": "display_data",
335 "text": [
336 "<IPython.core.display.Javascript at 0x1019baf90>"
337 ]
338 }
339 ],
340 "prompt_number": 11
341 },
342 {
343 193 "cell_type": "markdown",
344 194 "metadata": {},
345 195 "source": [
346 "Likewise, to remove a shortcut, use `remove_shortcut`:"
347 ]
348 },
349 {
350 "cell_type": "code",
351 "collapsed": false,
352 "input": [
353 "%%javascript\n",
354 "\n",
355 "IPython.keyboard_manager.command_shortcuts.remove_shortcut('r');"
356 ],
357 "language": "python",
358 "metadata": {},
359 "outputs": [
360 {
361 "javascript": [
196 "In command mode, the entire keyboard is available for shortcuts, so there are many more:\n",
362 197 "\n",
363 "IPython.keyboard_manager.command_shortcuts.remove_shortcut('r');"
364 ],
365 "metadata": {},
366 "output_type": "display_data",
367 "text": [
368 "<IPython.core.display.Javascript at 0x10e8d1950>"
198 "<img src=\"images/command_shortcuts.png\">"
369 199 ]
370 }
371 ],
372 "prompt_number": 8
373 200 },
374 201 {
375 202 "cell_type": "markdown",
376 203 "metadata": {},
377 204 "source": [
378 "If you want your keyboard shortcuts to be active for all of your notebooks, put the above API calls into your `<profile>/static/custom/custom.js` file."
205 "We recommend learning the command mode shortcuts in the following rough order:\n",
206 "\n",
207 "1. Basic navigation: `enter`, `shift-enter`, `up/k`, `down/j`\n",
208 "2. Saving the notebook: `s`\n",
209 "2. Cell types: `y`, `m`, `1-6`, `t`\n",
210 "3. Cell creation and movement: `a`, `b`, `ctrl+k`, `ctrl+j`\n",
211 "4. Cell editing: `x`, `c`, `v`, `d`, `z`, `shift+=`\n",
212 "5. Kernel operations: `i`, `.`"
379 213 ]
380 214 },
381 215 {
@@ -383,62 +217,27 b''
383 217 "level": 2,
384 218 "metadata": {},
385 219 "source": [
386 "Utilities"
220 "Cell types"
387 221 ]
388 222 },
389 223 {
390 224 "cell_type": "markdown",
391 225 "metadata": {},
392 226 "source": [
393 "We use the following functions to generate the keyboard shortcut listings above."
394 ]
395 },
396 {
397 "cell_type": "code",
398 "collapsed": false,
399 "input": [
400 "from IPython.display import Javascript, display, HTML\n",
227 "The notebook UI and notebook documents are a linear sequence of cells. There are four cell types:\n",
401 228 "\n",
402 "t = \"\"\"var help = IPython.quick_help.build_{0}_help();\n",
403 "help.children().first().remove();\n",
404 "this.append_output({{output_type: 'display_data', html: help.html()}});\"\"\"\n",
229 "* **Code cells:** Input and output of live code that is run in the kernel\n",
230 "* **Markdown cells:** Narrative text with embedded LaTeX equations\n",
231 "* **Heading cells:** 6 levels of hierarchical organization and formatting\n",
232 "* **Raw cells:** Unformatted text that is included, without modification, when notebooks are converted to different formats using nbconvert\n",
405 233 "\n",
406 "def display_command_shortcuts():\n",
407 " display(Javascript(t.format('command')))\n",
234 "More information about code and Markdown cell can be found in these tutorials:\n",
408 235 "\n",
409 "def display_edit_shortcuts():\n",
410 " display(Javascript(t.format('edit')))\n",
411 "\n",
412 "display(HTML(\"\"\"\n",
413 "<style>\n",
414 ".shortcut_key {display: inline-block; width: 15ex; text-align: right; font-family: monospace;}\n",
415 ".shortcut_descr {display: inline-block;}\n",
416 "div.quickhelp {float: none; width: 100%;}\n",
417 "</style>\n",
418 "\"\"\"))"
419 ],
420 "language": "python",
421 "metadata": {},
422 "outputs": [
423 {
424 "html": [
425 "\n",
426 "<style>\n",
427 ".shortcut_key {display: inline-block; width: 15ex; text-align: right; font-family: monospace;}\n",
428 ".shortcut_descr {display: inline-block;}\n",
429 "div.quickhelp {float: none; width: 100%;}\n",
430 "</style>\n"
431 ],
432 "metadata": {},
433 "output_type": "display_data",
434 "text": [
435 "<IPython.core.display.HTML at 0x10e8b0710>"
236 "* [Working With Code Cells](Working With Code Cells.ipynb)\n",
237 "* [Working With Markdown Cells](Working With Markdown Cells.ipynb)"
436 238 ]
437 239 }
438 240 ],
439 "prompt_number": 16
440 }
441 ],
442 241 "metadata": {}
443 242 }
444 243 ]
@@ -1,7 +1,7 b''
1 1 {
2 2 "metadata": {
3 3 "name": "",
4 "signature": "sha256:3676a017d63581291cf2d61ea56d09cb3e5480a4f222184d8216e3e829eb4871"
4 "signature": "sha256:1fd1c67d342de34c5edf43789ce56f80963eda3662752e7d9cbc97ac54848be8"
5 5 },
6 6 "nbformat": 3,
7 7 "nbformat_minor": 0,
@@ -112,7 +112,7 b''
112 112 "\n",
113 113 "* **Code cells:** Input and output of live code that is run in the kernel\n",
114 114 "* **Markdown cells:** Narrative text with embedded LaTeX equations\n",
115 "* **Heading cells:** 6 levels of hierarchical organization\n",
115 "* **Heading cells:** 6 levels of hierarchical organization and formatting\n",
116 116 "* **Raw cells:** Unformatted text that is included, without modification, when notebooks are converted to different formats using nbconvert\n",
117 117 "\n",
118 118 "Internally, notebook documents are [JSON](http://en.wikipedia.org/wiki/JSO) data with binary values [base64](http://en.wikipedia.org/wiki/Base64) encoded. This allows them to be read and manipulated programmatically by any programming language. Because JSON is a text format, notebook documents are version control friendly.\n",
1 NO CONTENT: file was removed
General Comments 0
You need to be logged in to leave comments. Login now