# git-gui options editor
# Copyright (C) 2006, 2007 Shawn Pearce

proc save_config {} {
        global default_config font_descs
        global repo_config global_config
        global repo_config_new global_config_new

        foreach option $font_descs {
                set name [lindex $option 0]
                set font [lindex $option 1]
                font configure $font \
                        -family $global_config_new(gui.$font^^family) \
                        -size $global_config_new(gui.$font^^size)
                font configure ${font}bold \
                        -family $global_config_new(gui.$font^^family) \
                        -size $global_config_new(gui.$font^^size)
                font configure ${font}italic \
                        -family $global_config_new(gui.$font^^family) \
                        -size $global_config_new(gui.$font^^size)
                set global_config_new(gui.$name) [font configure $font]
                unset global_config_new(gui.$font^^family)
                unset global_config_new(gui.$font^^size)
        }

        foreach name [array names default_config] {
                set value $global_config_new($name)
                if {$value ne $global_config($name)} {
                        if {$value eq $default_config($name)} {
                                catch {git config --global --unset $name}
                        } else {
                                regsub -all "\[{}\]" $value {"} value
                                git config --global $name $value
                        }
                        set global_config($name) $value
                        if {$value eq $repo_config($name)} {
                                catch {git config --unset $name}
                                set repo_config($name) $value
                        }
                }
        }

        foreach name [array names default_config] {
                set value $repo_config_new($name)
                if {$value ne $repo_config($name)} {
                        if {$value eq $global_config($name)} {
                                catch {git config --unset $name}
                        } else {
                                regsub -all "\[{}\]" $value {"} value
                                git config $name $value
                        }
                        set repo_config($name) $value
                }
        }
}

proc do_about {} {
        global appvers copyright oguilib
        global tcl_patchLevel tk_patchLevel

        set w .about_dialog
        toplevel $w
        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"

        label $w.header -text "About [appname]" \
                -font font_uibold
        pack $w.header -side top -fill x

        frame $w.buttons
        button $w.buttons.close -text {Close} \
                -default active \
                -command [list destroy $w]
        pack $w.buttons.close -side right
        pack $w.buttons -side bottom -fill x -pady 10 -padx 10

        label $w.desc \
                -text "git-gui - a graphical user interface for Git.
$copyright" \
                -padx 5 -pady 5 \
                -justify left \
                -anchor w \
                -borderwidth 1 \
                -relief solid
        pack $w.desc -side top -fill x -padx 5 -pady 5

        set v {}
        append v "git-gui version $appvers\n"
        append v "[git version]\n"
        append v "\n"
        if {$tcl_patchLevel eq $tk_patchLevel} {
                append v "Tcl/Tk version $tcl_patchLevel"
        } else {
                append v "Tcl version $tcl_patchLevel"
                append v ", Tk version $tk_patchLevel"
        }

        set d {}
        append d "git wrapper: $::_git\n"
        append d "git exec dir: [gitexec]\n"
        append d "git-gui lib: $oguilib"

        label $w.vers \
                -text $v \
                -padx 5 -pady 5 \
                -justify left \
                -anchor w \
                -borderwidth 1 \
                -relief solid
        pack $w.vers -side top -fill x -padx 5 -pady 5

        label $w.dirs \
                -text $d \
                -padx 5 -pady 5 \
                -justify left \
                -anchor w \
                -borderwidth 1 \
                -relief solid
        pack $w.dirs -side top -fill x -padx 5 -pady 5

        menu $w.ctxm -tearoff 0
        $w.ctxm add command \
                -label {Copy} \
                -command "
                clipboard clear
                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
        "

        bind $w <Visibility> "grab $w; focus $w.buttons.close"
        bind $w <Key-Escape> "destroy $w"
        bind $w <Key-Return> "destroy $w"
        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
        wm title $w "About [appname]"
        tkwait window $w
}

proc do_options {} {
        global repo_config global_config font_descs
        global repo_config_new global_config_new

        array unset repo_config_new
        array unset global_config_new
        foreach name [array names repo_config] {
                set repo_config_new($name) $repo_config($name)
        }
        load_config 1
        foreach name [array names repo_config] {
                switch -- $name {
                gui.diffcontext {continue}
                }
                set repo_config_new($name) $repo_config($name)
        }
        foreach name [array names global_config] {
                set global_config_new($name) $global_config($name)
        }

        set w .options_editor
        toplevel $w
        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"

        label $w.header -text "Options" \
                -font font_uibold
        pack $w.header -side top -fill x

        frame $w.buttons
        button $w.buttons.restore -text {Restore Defaults} \
                -default normal \
                -command do_restore_defaults
        pack $w.buttons.restore -side left
        button $w.buttons.save -text Save \
                -default active \
                -command [list do_save_config $w]
        pack $w.buttons.save -side right
        button $w.buttons.cancel -text {Cancel} \
                -default normal \
                -command [list destroy $w]
        pack $w.buttons.cancel -side right -padx 5
        pack $w.buttons -side bottom -fill x -pady 10 -padx 10

        labelframe $w.repo -text "[reponame] Repository"
        labelframe $w.global -text {Global (All Repositories)}
        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5

        set optid 0
        foreach option {
                {t user.name {User Name}}
                {t user.email {Email Address}}

                {b merge.summary {Summarize Merge Commits}}
                {i-1..5 merge.verbosity {Merge Verbosity}}
                {b merge.diffstat {Show Diffstat After Merge}}

                {b gui.trustmtime  {Trust File Modification Timestamps}}
                {b gui.pruneduringfetch {Prune Tracking Branches During Fetch}}
                {b gui.matchtrackingbranch {Match Tracking Branches}}
                {i-0..99 gui.diffcontext {Number of Diff Context Lines}}
                {t gui.newbranchtemplate {New Branch Name Template}}
                } {
                set type [lindex $option 0]
                set name [lindex $option 1]
                set text [lindex $option 2]
                incr optid
                foreach f {repo global} {
                        switch -glob -- $type {
                        b {
                                checkbutton $w.$f.$optid -text $text \
                                        -variable ${f}_config_new($name) \
                                        -onvalue true \
                                        -offvalue false
                                pack $w.$f.$optid -side top -anchor w
                        }
                        i-* {
                                regexp -- {-(\d+)\.\.(\d+)$} $type _junk min max
                                frame $w.$f.$optid
                                label $w.$f.$optid.l -text "$text:"
                                pack $w.$f.$optid.l -side left -anchor w -fill x
                                spinbox $w.$f.$optid.v \
                                        -textvariable ${f}_config_new($name) \
                                        -from $min \
                                        -to $max \
                                        -increment 1 \
                                        -width [expr {1 + [string length $max]}]
                                bind $w.$f.$optid.v <FocusIn> {%W selection range 0 end}
                                pack $w.$f.$optid.v -side right -anchor e -padx 5
                                pack $w.$f.$optid -side top -anchor w -fill x
                        }
                        t {
                                frame $w.$f.$optid
                                label $w.$f.$optid.l -text "$text:"
                                entry $w.$f.$optid.v \
                                        -borderwidth 1 \
                                        -relief sunken \
                                        -width 20 \
                                        -textvariable ${f}_config_new($name)
                                pack $w.$f.$optid.l -side left -anchor w
                                pack $w.$f.$optid.v -side left -anchor w \
                                        -fill x -expand 1 \
                                        -padx 5
                                pack $w.$f.$optid -side top -anchor w -fill x
                        }
                        }
                }
        }

        set all_fonts [lsort [font families]]
        foreach option $font_descs {
                set name [lindex $option 0]
                set font [lindex $option 1]
                set text [lindex $option 2]

                set global_config_new(gui.$font^^family) \
                        [font configure $font -family]
                set global_config_new(gui.$font^^size) \
                        [font configure $font -size]

                frame $w.global.$name
                label $w.global.$name.l -text "$text:"
                pack $w.global.$name.l -side left -anchor w -fill x
                eval tk_optionMenu $w.global.$name.family \
                        global_config_new(gui.$font^^family) \
                        $all_fonts
                spinbox $w.global.$name.size \
                        -textvariable global_config_new(gui.$font^^size) \
                        -from 2 -to 80 -increment 1 \
                        -width 3
                bind $w.global.$name.size <FocusIn> {%W selection range 0 end}
                pack $w.global.$name.size -side right -anchor e
                pack $w.global.$name.family -side right -anchor e
                pack $w.global.$name -side top -anchor w -fill x
        }

        bind $w <Visibility> "grab $w; focus $w.buttons.save"
        bind $w <Key-Escape> "destroy $w"
        bind $w <Key-Return> [list do_save_config $w]
        wm title $w "[appname] ([reponame]): Options"
        tkwait window $w
}

proc do_restore_defaults {} {
        global font_descs default_config repo_config
        global repo_config_new global_config_new

        foreach name [array names default_config] {
                set repo_config_new($name) $default_config($name)
                set global_config_new($name) $default_config($name)
        }

        foreach option $font_descs {
                set name [lindex $option 0]
                set repo_config(gui.$name) $default_config(gui.$name)
        }
        apply_config

        foreach option $font_descs {
                set name [lindex $option 0]
                set font [lindex $option 1]
                set global_config_new(gui.$font^^family) \
                        [font configure $font -family]
                set global_config_new(gui.$font^^size) \
                        [font configure $font -size]
        }
}

proc do_save_config {w} {
        if {[catch {save_config} err]} {
                error_popup "Failed to completely save options:\n\n$err"
        }
        reshow_diff
        destroy $w
}