1 files changed, 85 insertions, 0 deletions
diff --git a/pd/tcl/dialog_message.tcl b/pd/tcl/dialog_message.tcl
new file mode 100644
index 00000000..107f1095
--- /dev/null
+++ b/pd/tcl/dialog_message.tcl
@@ -0,0 +1,85 @@
+# the message dialog panel is a bit unusual in that it is created directly by
+# the Tcl 'pd-gui'. Most dialog panels are created by sending a message to
+# 'pd', which then sends a message to 'pd-gui' to create the panel.  This is
+# similar to the Find dialog panel.
+
+package provide dialog_message 0.1
+
+package require pd_bindings
+
+namespace eval ::dialog_message:: {
+    variable message_history {"pd dsp 1"}
+    variable history_position 0
+
+    namespace export open_message_dialog
+}
+
+proc ::dialog_message::get_history {direction} {
+    variable message_history
+    variable history_position
+    
+    incr history_position $direction
+    if {$history_position < 0} {set history_position 0}
+    if {$history_position > [llength $message_history]} {
+        set history_position [llength $message_history]
+    }
+    .message.f.entry delete 0 end
+    .message.f.entry insert 0 \
+        [lindex $message_history end-[expr $history_position - 1]]
+}
+
+# mytoplevel isn't used here, but is kept for compatibility with other dialog ok procs
+proc ::dialog_message::ok {mytoplevel} {
+    variable message_history
+    set message [.message.f.entry get]
+    if {$message ne ""} {
+        pdsend $message
+        lappend message_history $message
+        .message.f.entry delete 0 end
+    }
+}
+
+# mytoplevel isn't used here, but is kept for compatibility with other dialog cancel procs
+proc ::dialog_message::cancel {mytoplevel} {
+    wm withdraw .message
+}
+
+# the message panel is opened from the menu and key bindings
+proc ::dialog_message::open_message_dialog {mytoplevel} {
+    if {[winfo exists .message]} {
+        wm deiconify .message
+        raise .message
+    } else {
+        create_dialog $mytoplevel
+    }
+}
+
+proc ::dialog_message::create_dialog {mytoplevel} {
+    toplevel .message -class DialogWindow
+    wm group .message .
+    wm transient .message
+    wm title .message [_ "Send a Pd message"]
+    wm geometry .message =400x80+150+150
+    wm resizable .message 1 0
+    wm minsize .message 250 80
+    .message configure -menu $::dialog_menubar
+    .message configure -padx 10 -pady 5
+    ::pd_bindings::dialog_bindings .message "message"
+    # not all Tcl/Tk versions or platforms support -topmost, so catch the error
+    catch {wm attributes $id -topmost 1}
+
+    # TODO this should use something like 'dialogfont' for the font
+    frame .message.f
+    pack .message.f -side top -fill x -expand 1
+    entry .message.f.entry -width 54 -font {Helvetica 18} -relief sunken \
+        -highlightthickness 1 -highlightcolor blue
+    label .message.f.semicolon -text ";" -font {Helvetica 24}
+    pack .message.f.semicolon -side left
+    pack .message.f.entry -side left -padx 10 -fill x -expand 1
+    focus .message.f.entry
+    label .message.label -text [_ "(use arrow keys for history)"]
+    pack .message.label -side bottom
+
+    bind .message.f.entry <Up> "::dialog_message::get_history 1"
+    bind .message.f.entry <Down> "::dialog_message::get_history -1"
+}