Text Operations
Table 33-9 describes the text widget operations, including some that are not discussed in this chapter. In the table, $t is a text widget:
| $t bbox index | Returns the bounding box of the character at index. Four numbers are returned: x y width height. |
| $t cget option | Returns the value of the configuration option. |
| $t compare i1 op i2 | Performs index comparison. i1 and i2 are indexes. op is one of < <= == >= > != |
| $t configure ... | Queries or sets configuration options. |
| $t debug boolean | Enables consistency checking for B-tree code. |
| $t delete i1 ?i2? | Deletes from i1 up to, but not including i2. Just deletes the character at i1 if i2 is not specified. |
| $t dlineinfo index | Returns the bounding box, in pixels, of the display for the line containing index. Five numbers are returned: x y width height baseline. |
| $t dump ?options? i1 ?i2? | Returns the marks, tags, windows, images, and text contained in the widget. Options are -all, -command command, -image, -mark, -tag, -text, and -window. |
| $t get i1 ?i2? | Returns the text from i1 to i2, or just the character at i1 if i2 is not specified. |
| $t image cget option | Returns the value of the image option. |
| $t image configure ?options? | Queries or sets the configuration of an embedded image. |
| $t image create option value ... | Creates an embedded image. Options are described in Table 33-7 on page 467. |
| $t image names | Returns the names of all embedded images. |
| $t index index | Returns the numerical value of index. |
| $t insert index chars ?tags? ?chars tags? ... | Inserts chars at the specified index. If tags are specified, they are added to the new characters. |
| $t mark gravity name ?direction? | Queries or assigns a gravity direction to the mark name. direction, if specified, is left or right. |
| $t mark names | Returns a list of defined marks. |
| $t mark next index | Returns the mark after index. |
| $t mark previous index | Returns the mark before index. |
| $t mark set name index | Defines a mark name at the given index. |
| $t mark unset name1 ?name2 ...? | Deletes the named mark, or marks. |
| $t scan mark x y | Anchors a scrolling operation. |
| $t scan dragto x y | Scrolls based on a new position. |
| $t search ?switches? pattern index ?stopIndex? | Searches for pattern starting at index. The index of the start of the match is returned. Switches are described in Table 33-4 on page 464. |
| $t see index | Positions the display to view index. |
| $t tag add name i1 ?i2? ?i1 i2? ?i1 i2? ... | Adds the tag to i1 through, but not including i2, or just the character at i1 if i2 is not given. |
| $t tag bind name ?sequence? ?script? | Queries or defines bindings for the tag name. |
| $t tag configure name ... | Sets or queries the configuration of tag name. |
| $t tag cget name option | Returns the value of option for tag name. |
| $t tag delete tag1 ?tag2 ...? | Deletes information for the named tags. |
| $t tag lower tag ?below? | Lowers the priority of tag to the lowest priority or to just below tag below. |
| $t tag names ?index? | Returns the names of the tags at the specified index, or in the whole widget, sorted from lowest to highest priority. |
| $t tag nextrange tag i1 ?i2? | Returns a list of two indices that are the next range of text with tag that starts at or after i1 and before index i2, or the end. |
| $t tag prevrange tag i1 ?i2? | Returns a list of two indices that are the previous range of text with tag that ends at or before i1 and at or after index i2, or 1.0. |
| $t tag raise tag ?above? | Raises the priority of tag to the highest priority, or to just above the priority of tag above. |
| $t tag ranges tag | Returns a list describing all the ranges of tag. |
| $t tag remove tag i1 ?i2? ?i1 i2? ?i1 i2? ... | Removes tag from the range i1 up to, but not including i2, or just at i1 if i2 is not specified. |
| $t window config win ... | Queries or modifies the configuration of the embedded window. win is a Tk pathname or an index. |
| $t window cget win option | Returns the value of option for win. |
| $t window create ix args | Creates an embedded window at ix. |
| $t window names | Returns a list of windows embedded in $t. |
| $t xview | Returns two fractions between zero and one that describe the amount of text off-screen to the left and the amount of text displayed. |
| $t xview moveto fraction | Positions the text so fraction of the text is off screen to the left. |
| $t xview scroll num what | Scrolls num of what, which is units or pages. |
| $t yview | Returns two fractions between zero and one that describe the amount of text off-screen toward the beginning and the amount of text displayed. |
| $t yview moveto fraction | Positions the text so fraction of the text is off-screen toward the beginning. |
| $t yview scroll num what | Scrolls num of what, which is units or pages. |
| $t yview ?-pickplace? ix | Obsolete. Use the see operation, which is similar. |
| $t yview num | Obsolete. Position line num at the top of screen. |
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