diff options
Diffstat (limited to 'doc/text.n')
| -rw-r--r-- | doc/text.n | 49 |
1 files changed, 33 insertions, 16 deletions
@@ -634,15 +634,23 @@ embedded window annotation causes a window to be displayed at a particular point in the text. There may be any number of embedded windows in a text widget, and any widget may be used as an embedded window (subject to the usual rules for geometry management, which require the text window to be the parent -of the embedded window or a descendant of its parent). The embedded window's -position on the screen will be updated as the text is modified or scrolled, -and it will be mapped and unmapped as it moves into and out of the visible -area of the text widget. Each embedded window occupies one unit's worth of -index space in the text widget, and it may be referred to either by the name -of its embedded window or by its position in the widget's index space. If the -range of text containing the embedded window is deleted then the window is -destroyed. Similarly if the text widget as a whole is deleted, then the window -is destroyed. +of the embedded window or a descendant of its parent). +.PP +The embedded window's position on the screen will be updated as the text is +modified or scrolled, and it will be mapped and unmapped as it moves into and +out of the visible area of the text widget. Each embedded window occupies one +unit's worth of index space in the text widget, and it may be referred to +either by the name of its embedded window or by its position in the widget's +index space. If the range of text containing the embedded window is deleted +then the window is destroyed. Similarly if the text widget as a whole is +deleted, then the window is destroyed. +.PP +Eliding an embedded window immediately after scheduling it for creation via +\fIpathName \fBwindow create \fIindex \fB-create\fR will prevent it from being +effectively created. Uneliding an elided embedded window scheduled for creation +via \fIpathName \fBwindow create \fIindex \fB-create\fR will automatically +trigger the associated creation script. After destroying an elided embedded +window, the latter won't get automatically recreated. .PP When an embedded window is added to a text widget with the \fIpathName \fBwindow create\fR widget command, several configuration options may be @@ -706,13 +714,22 @@ The final form of annotation in text widgets is an embedded image. Each embedded image annotation causes an image to be displayed at a particular point in the text. There may be any number of embedded images in a text widget, and a particular image may be embedded in multiple places in the same -text widget. The embedded image's position on the screen will be updated as -the text is modified or scrolled. Each embedded image occupies one unit's -worth of index space in the text widget, and it may be referred to either by -its position in the widget's index space, or the name it is assigned when the -image is inserted into the text widget with \fIpathName \fBimage create\fR. If -the range of text containing the embedded image is deleted then that copy of -the image is removed from the screen. +text widget. +.PP +The embedded image's position on the screen will be updated as the text is +modified or scrolled. Each embedded image occupies one unit's worth of index +space in the text widget, and it may be referred to either by its position in +the widget's index space, or the name it is assigned when the image is inserted +into the text widget with \fIpathName \fBimage create\fR. If the range of text +containing the embedded image is deleted then that copy of the image is removed +from the screen. +.PP +Eliding an embedded image immediately after scheduling it for creation via +\fIpathName \fBimage create \fIindex \fB-create\fR will prevent it from being +effectively created. Uneliding an elided embedded image scheduled for creation +via \fIpathName \fBimage create \fIindex \fB-create\fR will automatically +trigger the associated creation script. After destroying an elided embedded +image, the latter won't get automatically recreated. .PP When an embedded image is added to a text widget with the \fIpathName \fBimage create\fR widget command, a name unique to this instance of the image is |