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|
#
# $Id: user_interf.tcl,v 1.33 1998/10/07 22:00:34 cthulhu Exp $
#
#
# This file contain the main functions involved in the user interface
#
#
# This is the main state machine controlling the modal
# interaction with the user
#
proc stateMachine {widget event {arg1 0} {arg2 2} {arg3 0}} {
source [xxl_library]/globalvars.tcl
global px py typedText ipx ipy
global keysPressed
# puts "$widget $event"
# puts $globalState
# puts $globalState2
# puts $globalState3
# puts /**************************/
switch $globalState {
normal {
switch $event {
focus {
focus $widget
}
return {
if {$globalState2 == "copyConfirm"} {
copyExec
highlightActiveCell
HelpMessage Ready
}
if {$globalState2 == "moveConfirm"} {
moveExec
highlightActiveCell
HelpMessage Ready
}
set globalState normal
set globalState2 normal
unhighlightCurrentRange $widget
}
press {
if {$cols_selected != ""} {
unhighlightColSelection
}
if {$rows_selected != ""} {
unhighlightRowSelection
}
set px $arg1
set py $arg2
}
release {
set s [setCell $widget $arg1 $arg2]
set activeCellCol [lindex $s 0]
set activeCellRow [lindex $s 1]
switch $globalState2 {
normal {
if {$globalState3 == "normal"} {
# focus .$activeSheet.fr.header.entry.active
# set globalState cellEnter
unhighlightCurrentRange \
[canvasFromSheet $activeSheet]
highlightActiveCell
}
}
copyData {
set globalState2 copyConfirm
if {$globalState3 == "normal" } {
highlightActiveCell
}
}
moveData {
set globalState2 moveConfirm
if {$globalState3 == "normal" } {
highlightActiveCell
}
}
moveConfirm {
if {$globalState3 == "normal"} {
unhighlightCurrentRange \
[canvasFromSheet $activeSheet]
highlightActiveCell
}
}
copyConfirm {
if {$globalState3 == "normal"} {
unhighlightCurrentRange \
[canvasFromSheet $activeSheet]
highlightActiveCell
}
}
}
}
left {
if {$cols_selected != ""} {
unhighlightColSelection
}
if {$rows_selected != ""} {
unhighlightRowSelection
}
if {$currentRange != ""} {
unhighlightCurrentRange [canvasFromSheet $activeSheet]
}
incr keysPressed
incr activeCellCol -$keysPressed
if {$activeCellCol < 0} {set activeCellCol 0}
highlightActiveCell
needToScroll $widget $activeCellCol $activeCellRow
set keysPressed 0
}
right {
if {$cols_selected != ""} {
unhighlightColSelection
}
if {$rows_selected != ""} {
unhighlightRowSelection
}
if {$currentRange != ""} {
unhighlightCurrentRange [canvasFromSheet $activeSheet]
}
incr keysPressed
if { [expr ($activeCellCol + $keysPressed) \
< [DefSheetWidth]] } {
incr activeCellCol $keysPressed
if {$activeCellCol < 0} {set activeCellCol 0}
highlightActiveCell
needToScroll $widget $activeCellCol $activeCellRow
}
set keysPressed 0
}
down {
if {$cols_selected != ""} {
unhighlightColSelection
}
if {$rows_selected != ""} {
unhighlightRowSelection
}
if {$currentRange != ""} {
unhighlightCurrentRange [canvasFromSheet $activeSheet]
}
incr keysPressed
if { [expr ($activeCellRow + $keysPressed) \
< [DefSheetHeight]] } {
incr activeCellRow $keysPressed
if {$activeCellRow < 0} {set activeCellRow 0}
highlightActiveCell
needToScroll $widget $activeCellCol $activeCellRow
}
set keysPressed 0
}
up {
if {$cols_selected != ""} {
unhighlightColSelection
}
if {$rows_selected != ""} {
unhighlightRowSelection
}
if {$currentRange != ""} {
unhighlightCurrentRange [canvasFromSheet $activeSheet]
}
incr keysPressed
incr activeCellRow -$keysPressed
if {$activeCellRow < 0} {set activeCellRow 0}
highlightActiveCell
needToScroll $widget $activeCellCol $activeCellRow
set keysPressed 0
}
equal {
if {$cols_selected != ""} {
unhighlightColSelection
}
if {$rows_selected != ""} {
unhighlightRowSelection
}
if {$currentRange != ""} {
unhighlightCurrentRange [canvasFromSheet $activeSheet]
}
focus .$activeSheet.fr.header.entry.active
set globalState formulaEnter
highlightActiveCell
set activeText($activeSheet) $arg1
.$activeSheet.fr.header.entry.active icursor 1
}
shift {
if {$cols_selected != ""} {
unhighlightColSelection
}
if {$rows_selected != ""} {
unhighlightRowSelection
}
if {$currentRange != ""} {
unhighlightCurrentRange [canvasFromSheet $activeSheet]
}
focus .$activeSheet.fr.header.entry.active
set globalState cellEnter
highlightActiveCell
set activeText($activeSheet) \
[CellGet $activeSheet $activeCellCol $activeCellRow]
.$activeSheet.fr.header.entry.active icursor \
[string length [.$activeSheet.fr.header.entry.active \
get]]
}
control {
if {$cols_selected != ""} {
unhighlightColSelection
}
if {$rows_selected != ""} {
unhighlightRowSelection
}
if {$currentRange != ""} {
unhighlightCurrentRange [canvasFromSheet $activeSheet]
}
focus .$activeSheet.fr.header.entry.active
set globalState cellEnter
highlightActiveCell
set activeText($activeSheet) \
[CellGet $activeSheet $activeCellCol $activeCellRow]
.$activeSheet.fr.header.entry.active select from 0
.$activeSheet.fr.header.entry.active select to end
.$activeSheet.fr.header.entry.active icursor \
[string length [.$activeSheet.fr.header.entry.active \
get]]
}
PressInEntry {
if {$cols_selected != ""} {
unhighlightColSelection
}
if {$rows_selected != ""} {
unhighlightRowSelection
}
if {$currentRange != ""} {
unhighlightCurrentRange [canvasFromSheet $activeSheet]
}
focus .$activeSheet.fr.header.entry.active
if {[string range $activeText($activeSheet) 0 0] == "="} {
set globalState formulaEnter
} else {
set globalState cellEnter
}
}
keyInEntry {
if {$cols_selected != ""} {
unhighlightColSelection
}
if {$rows_selected != ""} {
unhighlightRowSelection
}
if {$currentRange != ""} {
unhighlightCurrentRange [canvasFromSheet $activeSheet]
}
focus .$activeSheet.fr.header.entry.active
if {[string range $activeText($activeSheet) 0 0] == "="} {
set globalState formulaEnter
} else {
set globalState cellEnter
}
}
key
{
if {$cols_selected != ""} {
unhighlightColSelection
}
if {$rows_selected != ""} {
unhighlightRowSelection
}
if {$currentRange != ""} {
unhighlightCurrentRange [canvasFromSheet $activeSheet]
}
focus .$activeSheet.fr.header.entry.active
set globalState cellEnter
highlightActiveCell
set activeText($activeSheet) $arg1
.$activeSheet.fr.header.entry.active icursor 1
}
B1Outside -
B1Motion {
}
returnInEntry {
enterCell $activeSheet $activeCellCol $activeCellRow \
$activeText($activeSheet)
set globalState normal
nextCell
}
default {
tkerror "Unknown event $event in stateMachine \
in state $globalState"
}
}
}
formulaEnter -
cellEnter {
switch $event {
focus {
}
equal {
set globalState formulaEnter
}
press {
set px $arg1
set py $arg2
set ipx [$widget canvasx $px]
set ipy [$widget canvasy $py]
switch $globalState {
cellEnter {
# User gave up entering this cell
set globalState normal
}
formulaEnter {
set s [setCell $widget $arg1 $arg2]
set s [ColName [lindex $s 0]][expr [lindex $s 1]+1]
insertTextInEntry .$activeSheet.fr.header $s 0
# set typedText $activeText($activeSheet)
# set activeText($activeSheet) \
# "$typedText$s"
}
}
}
B1Outside -
B1Motion {
set dx [expr abs($arg1-$px)]
set dy [expr abs($arg2-$py)]
if {$dx > 8 || $dy > 8} {
defineCurrentRange $widget $arg1 $arg2 $event
set s [rangeName $currentRange]
insertTextInEntry .$activeSheet.fr.header $s 1
# set activeText($activeSheet) $typedText$s
}
}
release {
# unhighlightCurrentRange [canvasFromSheet $activeSheet]
}
returnInEntry {
enterCell $activeSheet $activeCellCol $activeCellRow \
$activeText($activeSheet)
set globalState normal
focus [canvasFromSheet $activeSheet]
incr activeCellRow
needToScroll [canvasFromSheet $activeSheet] \
$activeCellCol $activeCellRow
highlightActiveCell
unhighlightCurrentRange [canvasFromSheet $activeSheet]
}
keyInEntry {
if {[string range $activeText($activeSheet) 0 0] == "="} {
set globalState formulaEnter
} else {
set globalState cellEnter
}
}
PressInEntry -
key {
}
default {
tkerror "Unknown event $event in stateMachine \
in state $globalState"
}
}
}
}
switch $globalState3 {
normal {
switch $event {
B1Outside -
B1Motion {
set dx [expr abs($arg1-$px)]
set dy [expr abs($arg2-$py)]
if {$dx > 8 || $dy > 8} {
set globalState3 defRange
set ipx [$widget canvasx $px]
set ipy [$widget canvasy $py]
if {$globalState == "normal"} {
unhighlightActiveCell
}
}
}
}
}
defRange {
switch $event {
B1Outside -
B1Motion {
defineCurrentRange $widget $arg1 $arg2 $event
}
release {
set px $arg1
set py $arg2
set globalState3 normal
switch $globalState2 {
copyData {
set globalState normal
set globalState2 copyConfirm
}
moveData {
set globalState normal
set globalState2 moveConfirm
}
}
}
}
}
}
}
proc countKeys {} {
global keysPressed
incr keysPressed
}
proc enterCell {sheet column row st} {
source [xxl_library]/globalvars.tcl
CellSet $sheet $column $row $st
# set f [setFontName]
# SetFont $activeSheet [lindex $f 0] [lindex $f 1] \
\# [lindex $f 2] [lindex $f 3] \
\# $activeCellCol $activeCellRow 0 -1
}
proc nextCell {} {
global activeSheet activeCellRow activeCellCol
focus [canvasFromSheet $activeSheet]
incr activeCellRow
needToScroll [canvasFromSheet $activeSheet] \
$activeCellCol $activeCellRow
highlightActiveCell
unhighlightCurrentRange [canvasFromSheet $activeSheet]
}
proc setCell {canvas x y } {
source "[xxl_library]/globalvars.tcl"
set col [cellCol $activeSheet [$canvas canvasx $x]]
set row [cellRow $activeSheet [$canvas canvasy $y]]
return "$col $row"
}
proc moveTo {col row mode} {
switch $mode {
rel {puts "Relative move $col $row" }
abs {puts "Absolute move $col $row" }
}
}
proc unhighlightActiveCell {} {
source "[xxl_library]/globalvars.tcl"
set c [canvasFromSheet $activeSheet]
catch {$c delete highlight}
}
proc highlightActiveCell {{flag 1}} {
source "[xxl_library]/globalvars.tcl"
global fontNameIndex fontSizeIndex
global fontBoldIndex fontItalicIndex shadeIndex
global bordertop borderbottom borderleft borderright
global formatStrings positionLRC formatValue
global activeColName
set activeColName [ColName $activeCellCol]
set activeCellName [ColName $activeCellCol]$activeCellRow
if {$flag == 1} {
set activeText($activeSheet) \
[CellGet $activeSheet $activeCellCol $activeCellRow]
}
set s [GetFormat $activeSheet $activeCellCol $activeCellRow]
if {$s != ""} {
set fontNameIndex [lindex $s 0]
set fontSizeIndex [lindex $s 1]
set fontBoldIndex [lindex $s 2]
setFontName
set fontItalicIndex [lindex $s 3]
# set bordertop [lindex $s 4]
# set borderbottom [lindex $s 5]
# set borderleft [lindex $s 6]
# set borderright [lindex $s 7]
set shadeIndex [lindex $s 8]
set positionLRC [lindex $s 9]
set formatValue [lindex $s 10]
}
set c [canvasFromSheet $activeSheet]
catch {$c delete highlight}
$c create rect \
0 0 0 0 X \
$activeCellCol \
$activeCellRow \
[expr $activeCellCol+1] \
[expr $activeCellRow+1] -width 3 \
-tag highlight -outline red
}
proc unhighlightCurrentRange {canvas {reset 1}} {
global currentRange
set aux $currentRange
set currentRange ""
catch {$canvas delete highlightRange}
if {$reset==0} {
set currentRange $aux
}
}
proc highlightCurrentRange {canvas} {
global currentRange currentRangeName
catch {$canvas delete highlightRange}
$canvas create rect \
0 0 0 0 X \
[lindex $currentRange 0] \
[lindex $currentRange 1] \
[expr (1+[lindex $currentRange 2])] \
[expr (1+[lindex $currentRange 3])] \
-width 2 -tag highlightRange -outline darkgreen -width 3 \
-fill green -stipple gray11
# $canvas lower highlightRange
set currentRangeName [rangeName $currentRange]
}
proc needToScroll {widget col row} {
global activeSheet
NeedToScroll $activeSheet $col $row
# set y [$widget canvasy [defDispHeight]]
# if {[expr $activeCellRow+1] > [cellRow $activeSheet $y]} {
# scrollVSheet $activeSheet yview scroll 1 unit
# }
# set y [$widget canvasy 0]
# if {[expr $activeCellRow-1] < [cellRow $activeSheet $y]} {
# scrollVSheet $activeSheet yview scroll -1 unit
# }
# set x [$widget canvasx [defDispWidth]]
# if {[expr $activeCellCol+1] > [cellCol $activeSheet $x]} {
# scrollHSheet $activeSheet xview scroll 1 unit
# }
# set x [$widget canvasx 0]
# if {[expr $activeCellCol-1] < [cellCol $activeSheet $x]} {
# scrollHSheet $activeSheet xview scroll -1 unit
# }
update idletasks
}
proc needToScroll2 {widget col row arg1 arg2 event} {
# source "[xxl_library]/globalvars.tcl"
global sc2_arg1 sc2_arg2 sc2_widget sc2_pending activeSheet
set sc2_widget $widget
set sc2_arg1 $arg1
set sc2_arg2 $arg2
# puts "$widget $col $row $arg1 $arg2 $event"
set need [NeedToScroll $activeSheet $col $row]
if {$sc2_pending == 0 && $need == 1 } {
set sc2_pending 1
after idle {
update
after 20 {
set sc2_pending 0
stateMachine $sc2_widget B1Outside $sc2_arg1 $sc2_arg2
}
}
}
update idletasks
}
proc defineCurrentRange {widget arg1 arg2 event} {
source [xxl_library]/globalvars.tcl
global px py typedText ipx ipy
set ox [cellCol $activeSheet $ipx]
set oy [cellRow $activeSheet $ipy]
set x [$widget canvasx $arg1]
set y [$widget canvasy $arg2]
set col [cellCol $activeSheet $x]
set row [cellRow $activeSheet $y]
# if {$col < $ox} {incr col -1 ; incr ox}
# if {$row < $oy} {incr row -1 ; incr oy}
# if {$x < $ipx} {incr col -1}
# if {$y < $ipy} {incr row -1}
set currentRange \
"[min $ox $col] [min $oy $row] [max $ox $col] [max $oy $row]"
needToScroll2 $widget $col $row $arg1 $arg2 $event
highlightCurrentRange $widget
}
#
# $Log: user_interf.tcl,v $
# Revision 1.33 1998/10/07 22:00:34 cthulhu
# GlobalState changes so that Pasting and Moving are more intuitive.
#
# Revision 1.32 1998/10/06 19:27:21 cthulhu
# User interface updated for moveConfirm and copyConfirm globalstate2 cases,
# where it should behave normally until the paste is pressed.
#
# Revision 1.32 1998/10/06 19:21:56 cthulhu
# highlight active cell is now called when user is in globalState2 == copyConfirm
# or moveConfirm.
#
# Revision 1.31 1998/09/27 20:44:56 cthulhu
# Added bindings for control and alt events to edit cells in entry box proper
# when navigating in cells.
#
# Revision 1.30 1998/08/06 21:08:35 aml
# Released alpha version of Abacus.
#
# Revision 1.29 1997/03/27 10:00:39 aml
# Started implementing graphs.
# Fixed bug in tkCanvasPs.c
# Created bindings for composite characters in Portuguese.
#
# Revision 1.28 1997/01/07 01:07:44 aml
# Error propagation for formulas fixed.
# Edit operations in place.
#
# Revision 1.27 1996/12/31 17:38:38 aml
# On-demand calculation improved. Loops are detected.
# Automatic recalculation can now be disabled.
# Printing was improved.
#
# Revision 1.26 1996/12/11 21:39:58 aml
# Sumif implemented.
# Diverse time functions implemented.
# Fixed needtoscroll2 to avoid out of control scroll.
#
# Revision 1.25 1996/11/22 16:29:13 aml
# First cut at transforming canvas into a true cell widget.
# Text, lines and rectangles are now relative to row and colunm numbers.
# It still has a bug with wrong estimation of column widths.
#
# Revision 1.24 1996/09/17 15:16:17 aml
# Fixed problems with copying of cells with non-default formats.
# Created printing formats, alignment formats.
# Format toolbar now reflects format of active cell.
#
# Revision 1.23 1996/09/17 14:40:14 aml
# Fixed problems with copying of cells with non-default formats.
# Created printing formats, alignment formats.
# Format toolbar now reflects format of active cell.
#
# Revision 1.22 1996/08/29 12:05:43 aml
# Fixed problem with initialization of formulas.
# Insertion in entry is now done properly.
# Focus is slightly better handled.
# Fixed serious problem when canvas changes name and old
# references exist. Also removed double call to redraw that
# was slowing things a lot.
#
# Revision 1.21 1996/08/28 17:17:49 aml
# Load and save now accept string_value for formula cells.
# This fixes previous thought problem of formula values not
# being stored.
# Functions upper,lower and proper created.
# Function if can now return labels.
# Fixed problem with function count.
# Reasonably stable version, very used to manipulate notas.wk1.
#
# Revision 1.20 1996/08/24 10:16:05 aml
# Scroll almost fixed. We are missing scroll steps.
# Several sheets work again, but need to be fixed right.
#
# Revision 1.19 1996/08/23 16:13:34 aml
# Top window resizing now works well.
# Range selection now uses a filled rectangle with overall good results.
# Intermediate version, does not work well.
#
# Revision 1.18 1996/07/18 10:19:20 aml
# Created formats for cells.
# Load cell now makes copy of old file.
#
# Revision 1.17 1996/04/27 11:12:34 aml
# Inserted check and delete button.
# Font selection widget created.
# Fixed bug canvas_information destructor.
#
# Revision 1.16 1996/04/23 09:42:49 aml
# Data structures for ordered scans of rows and columns are in place.
# Cell overlap is working.
# Forward cell dependences inserted. Automatic recalculation created.
# Uniformizaed label entry procedure.
#
# Revision 1.15 1996/04/21 13:28:08 aml
# Sped up scroll functions, caching keys presses.
# First cut at handling overflowing cells.
# Overflow into ajoining filled cells not solved.
#
# Revision 1.14 1996/03/29 21:45:34 aml
# Changed key based scrolls to be synchronous. Work fine, but are somewhat slow.
# Fixed abnormaly in state machine after range defition causing canvas scroll.
# Solid, working version.
#
# Revision 1.13 1996/03/09 08:32:39 aml
# Fixed problem in string_single_arg macro
# Created if function, boolean evaluations and so on.
# Improved print controls.
#
# Revision 1.12 1996/03/01 13:08:46 aml
# Stack references are now pushed instead of double value.
# Fixed problem with integers too large on formulas.
# Scroll with cursors now works better.
#
# Revision 1.11 1996/02/19 15:47:36 aml
# Fixed abnormality with mouse click.
# Variable width columns implemented, but not yet saved.
# Labels are now a lex element, fixing some aberrant behavior that existed.
#
# Revision 1.10 1996/02/16 23:09:34 aml
# Improved user interf state machine.
# Centralized range definitions.
# Range defined outiside current view work properly.
#
# Revision 1.9 1996/02/16 18:04:04 aml
# Fixed a memory bug in formula copy with purify.
# Fixed a few minor bugs. Functional, stable version.
#
# Revision 1.8 1996/02/13 21:55:21 aml
# Fixed problems with change to elf.
# RangeCopy created. Works !
# Pressed mouse leaving canvas will cause scroll. Works, but needs to
# keep moving.
#
# Revision 1.7 1996/02/13 12:03:44 aml
# Fixed bug with range definition via mouse.
# Fixed bug in range iterators.
#
# Revision 1.6 1996/01/27 23:10:29 aml
# CellCopy created.
# CellGet fixed.
# Tcl range operators created.
# User interface improved. Cell references and ranges
# can now be defined with the mouse.
#
# Revision 1.5 1996/01/10 18:53:40 aml
# Fixed limited integer range of cells.
# Fixed incorrect code in spreadsheet type.
# Users interface improved. Cursors and mouse clicks
# now work in the most basic modes.
#
# Revision 1.4 1996/01/09 18:34:50 aml
# Load, save, open, close and exit now work properly (hopefuly).
# Sheet utility functions also work : SheetExists, SheetEmpty, SheetModified
#
# Revision 1.3 1995/12/27 23:15:10 aml
# First version of Sheet::display
#
# Revision 1.2 1995/12/14 12:13:05 aml
# Version 0.4.2
#
# Revision 1.1 1995/12/06 14:17:54 aml
# Initial revision
#
#
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