Fix [2513186fff], [f9343d8f72] and [8261c517af]: ttk scrolling (xview/yview commands) is incorrect until idle tasks are run

4 files changed, 88 insertions, 48 deletions

diff --git a/doc/GetScroll.3 b/doc/GetScroll.3
index abd0880..a71986d 100644
--- a/doc/GetScroll.3
+++ b/doc/GetScroll.3
@@ -15,10 +15,10 @@ Tk_GetScrollInfoObj, Tk_GetScrollInfo \- parse arguments for scrolling commands
 \fB#include <tk.h>\fR
 .sp
 int
-\fBTk_GetScrollInfoObj(\fIinterp, objc, objv, dblPtr, intPtr\fB)\fR
+\fBTk_GetScrollInfoObj(\fIinterp, objc, objv, fractionPtr, stepsPtr\fB)\fR
 .sp
 int
-\fBTk_GetScrollInfo(\fIinterp, argc, argv, dblPtr, intPtr\fB)\fR
+\fBTk_GetScrollInfo(\fIinterp, argc, argv, fractionPtr, stepsPtr\fB)\fR
 .SH ARGUMENTS
 .AS "Tcl_Interp" *fractionPtr
 .AP Tcl_Interp *interp in
diff --git a/doc/ttk_entry.n b/doc/ttk_entry.n
index 3a30e4d..adc4f16 100644
--- a/doc/ttk_entry.n
+++ b/doc/ttk_entry.n
@@ -222,52 +222,13 @@ by the \fB\-validate\fR option.
 Returns 0 if validation fails, 1 if it succeeds.
 Sets or clears the \fBinvalid\fR state accordingly.
 See \fBVALIDATION\fR below for more details.
-.TP
-\fIpathName \fBxview \fIargs\fR
-This command is used to query and change the horizontal position of the
-text in the widget's window.  It can take any of the following
-forms:
-.RS
-.TP
-\fIpathName \fBxview\fR
-Returns a list containing two elements.
-Each element is a real fraction between 0 and 1; together they describe
-the horizontal span that is visible in the window.
-For example, if the first element is .2 and the second element is .6,
-20% of the entry's text is off-screen to the left, the middle 40% is visible
-in the window, and 40% of the text is off-screen to the right.
-These are the same values passed to scrollbars via the \fB\-xscrollcommand\fR
-option.
-.TP
-\fIpathName \fBxview\fR \fIindex\fR
-Adjusts the view in the window so that the character given by \fIindex\fR
-is displayed at the left edge of the window.
-.TP
-\fIpathName \fBxview moveto\fI fraction\fR
-Adjusts the view in the window so that the character \fIfraction\fR of the
-way through the text appears at the left edge of the window.
-\fIFraction\fR must be a fraction between 0 and 1.
-.TP
-\fIpathName \fBxview scroll \fInumber what\fR
-This command shifts the view in the window left or right according to
-\fInumber\fR and \fIwhat\fR.
-\fINumber\fR must be an integer.
-\fIWhat\fR must be either \fBunits\fR or \fBpages\fR.
-'\" or an abbreviation of one of these, but we don't document that.
-If \fIwhat\fR is \fBunits\fR, the view adjusts left or right by
-\fInumber\fR average-width characters on the display;  if it is
-\fBpages\fR then the view adjusts by \fInumber\fR screenfuls.
-If \fInumber\fR is negative then characters farther to the left
-become visible;  if it is positive then characters farther to the right
-become visible.
-.RE
 .PP
 The entry widget also supports the following generic \fBttk::widget\fR
 widget subcommands (see \fIttk::widget(n)\fR for details):
 .DS
 .ta 5.5c 11c
 \fBcget\fR	\fBconfigure\fR	\fBidentify\fR
-\fBinstate\fR	\fBstate\fR
+\fBinstate\fR	\fBstate\fR	\fBxview\fR
 .DE
 .SH VALIDATION
 .PP
diff --git a/doc/ttk_treeview.n b/doc/ttk_treeview.n
index 96565a3..5fd5e6d 100644
--- a/doc/ttk_treeview.n
+++ b/doc/ttk_treeview.n
@@ -388,12 +388,13 @@ If \fIitems\fR is omitted, removes \fItag\fR from each item in the tree.
 If \fItag\fR is not present for a particular item,
 then the \fB\-tags\fR for that item are unchanged.
 .RE
-.TP
-\fIpathName \fBxview \fIargs\fR
-Standard command for horizontal scrolling; see \fIwidget(n)\fR.
-.TP
-\fIpathName \fByview \fIargs\fR
-Standard command for vertical scrolling; see \fIttk::widget(n)\fR.
+.PP
+The treeview widget also supports the following generic \fBttk::widget\fR
+widget subcommands (see \fIttk::widget(n)\fR for details):
+.DS
+.ta 5.5c 11c
+\fBxview\fR	\fByview\fR
+.DE
 .SH "ITEM OPTIONS"
 .PP
 The following item options may be specified for items
diff --git a/doc/ttk_widget.n b/doc/ttk_widget.n
index ad90e99..281ce74 100644
--- a/doc/ttk_widget.n
+++ b/doc/ttk_widget.n
@@ -192,6 +192,84 @@ will restore \fIpathName\fR to the original state.
 If \fIstateSpec\fR is not specified,
 returns a list of the currently-enabled state flags.
 .RE
+.TP
+\fIpathName \fBxview \fIargs\fR
+This command is used to query and change the horizontal position of the
+content in the widget's window.  It can take any of the following
+forms:
+.RS
+.TP
+\fIpathName \fBxview\fR
+Returns a list containing two elements.
+Each element is a real fraction between 0 and 1; together they describe
+the horizontal span that is visible in the window.
+For example, if the first element is .2 and the second element is .6,
+20% of the widget's content is off-screen to the left, the middle 40% is visible
+in the window, and 40% of the content is off-screen to the right.
+These are the same values passed to scrollbars via the \fB\-xscrollcommand\fR
+option.
+.TP
+\fIpathName \fBxview\fR \fIindex\fR
+Adjusts the view in the window so that the content given by \fIindex\fR
+is displayed at the left edge of the window.
+.TP
+\fIpathName \fBxview moveto\fI fraction\fR
+Adjusts the view in the window so that the character \fIfraction\fR of the
+way through the content appears at the left edge of the window.
+\fIFraction\fR must be a fraction between 0 and 1.
+.TP
+\fIpathName \fBxview scroll \fInumber what\fR
+This command shifts the view in the window left or right according to
+\fInumber\fR and \fIwhat\fR.
+\fINumber\fR must be an integer.
+\fIWhat\fR must be either \fBunits\fR or \fBpages\fR.
+'\" or an abbreviation of one of these, but we don't document that.
+If \fIwhat\fR is \fBunits\fR, the view adjusts left or right by
+\fInumber\fR average-width characters on the display;  if it is
+\fBpages\fR then the view adjusts by \fInumber\fR screenfuls.
+If \fInumber\fR is negative then characters farther to the left
+become visible;  if it is positive then characters farther to the right
+become visible.
+.RE
+.TP
+\fIpathName \fByview \fIargs\fR
+This command is used to query and change the vertical position of the
+content in the widget's window.  It can take any of the following
+forms:
+.RS
+.TP
+\fIpathName \fByview\fR
+Returns a list containing two elements.
+Each element is a real fraction between 0 and 1; together they describe
+the vertical span that is visible in the window.
+For example, if the first element is .2 and the second element is .6,
+20% of the widget's content is off-screen to the top, the middle 40% is visible
+in the window, and 40% of the content is off-screen to the bottom.
+These are the same values passed to scrollbars via the \fB\-yscrollcommand\fR
+option.
+.TP
+\fIpathName \fByview\fR \fIindex\fR
+Adjusts the view in the window so that the content given by \fIindex\fR
+is displayed at the top edge of the window.
+.TP
+\fIpathName \fByview moveto\fI fraction\fR
+Adjusts the view in the window so that the item \fIfraction\fR of the
+way through the content appears at the top edge of the window.
+\fIFraction\fR must be a fraction between 0 and 1.
+.TP
+\fIpathName \fByview scroll \fInumber what\fR
+This command shifts the view in the window up or down according to
+\fInumber\fR and \fIwhat\fR.
+\fINumber\fR must be an integer.
+\fIWhat\fR must be either \fBunits\fR or \fBpages\fR.
+'\" or an abbreviation of one of these, but we don't document that.
+If \fIwhat\fR is \fBunits\fR, the view adjusts up or down by
+\fInumber\fR average-width characters on the display;  if it is
+\fBpages\fR then the view adjusts by \fInumber\fR screenfuls.
+If \fInumber\fR is negative then items farther to the top
+become visible;  if it is positive then items farther to the bottom
+become visible.
+.RE
 .SH "WIDGET STATES"
 The widget state is a bitmap of independent state flags.
 Widget state flags include: