summaryrefslogtreecommitdiffstats
path: root/window.inc
diff options
context:
space:
mode:
Diffstat (limited to 'window.inc')
-rw-r--r--window.inc664
1 files changed, 664 insertions, 0 deletions
diff --git a/window.inc b/window.inc
new file mode 100644
index 0000000..65b294d
--- /dev/null
+++ b/window.inc
@@ -0,0 +1,664 @@
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%
+% window code
+%
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+
+% public words:
+%
+% window.dialog ( ) ==> ( window )
+% - create a new dialog
+%
+% window.init ( window ) ==> ( )
+% - initialize window
+%
+% window.show ( window ) ==> ( )
+% - draw window
+%
+% window.current ( ) ==> ( window )
+% - the top level window
+%
+% window.action ( ) ==> ( action )
+% - recent window action
+%
+% window.input ( key_in ) ==> ( key_out )
+% - handle keyboard input
+%
+% window.done ( ) ==> ( )
+% - close top level window
+%
+%
+% constants:
+% - window.action
+% actNothing - do nothing
+% actExit - leave boot menu
+% actCloseInfo - close info window
+% actPassword - password entered
+% actStart - boot kernel
+% actEject - eject CD
+% actPowerOff - turn computer off
+% actReboot - reboot computer
+% actRedraw - redraw everything
+% actNoClose - don't close dialog (it's a flag)
+%
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% window related global variables
+%
+
+% all open windows are stacked here
+/window.list 8 array def
+/window.list.index 0 def
+
+% the top level window
+% /window.current
+
+% action selected by closing window
+/window.action actNothing def
+
+% window field definitions
+/widget.size 0 def
+/newfield { widget.size def /widget.size widget.size 1 add def } def
+
+/.type newfield
+/.x newfield
+/.y newfield
+/.width newfield
+/.height newfield
+/.width.min newfield
+/.position newfield
+/.color.fg newfield
+/.color.bg newfield
+/.font newfield
+/.saved newfield
+/.saved.areas newfield
+/.title newfield
+/.title.fg newfield
+/.title.bg newfield
+/.title.height newfield
+/.text newfield
+/.text.x newfield
+/.text.y newfield
+/.buttons newfield
+/.button.y newfield
+/.ed newfield
+/.ed.font newfield
+/.ed.list newfield
+/.ed.buffer.list newfield
+/.ed.text.list newfield
+/.ed.width newfield
+/.ed.focus newfield
+/.ed.pw_field newfield
+/.xmenu newfield
+/.xmenu.update newfield
+
+% window types
+/t_dialog 100 def
+/t_help 101 def
+/t_main 102 def
+/t_xmenu 103 def
+
+% actions
+/actNothing 0 def
+/actExit 1 def
+/actCloseInfo 2 def
+/actPassword 3 def
+/actStart 4 def
+/actEject 5 def
+/actPowerOff 6 def
+/actRedraw 7 def
+/actRedrawPanel 8 def
+/actInstallOK 9 def
+/actInstallCancel 10 def
+/actReboot 11 def
+/actNoClose 0x100 def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Create new dialog window.
+%
+% ( ) ==> ( window )
+%
+/window.dialog {
+ widget.size array
+ dup .type t_dialog put
+ dup .position 8 put % centered at 8/10 of screen height
+ dup .x 0 put
+ dup .y 0 put
+ dup .width.min 0 put
+ dup .color.fg black put
+ dup .color.bg lightgray put
+ dup .font font.normal put
+ dup .title.fg white put
+ dup .title.bg title.bg put
+ dup .title.height help.title.height put
+ dup .text.x 12 put
+ dup .text.y help.title.height 10 add put
+} def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Handle keyboard input.
+%
+% ( key_in ) ==> ( key_out )
+%
+/window.input {
+ window.current .undef ne {
+ window.current .type get
+ dup t_dialog eq { exch dialog.input exch } if
+ dup t_help eq { exch help.input exch } if
+ dup t_main eq { exch main.input exch } if
+ dup t_xmenu eq { exch xmenu.input exch } if
+ pop
+
+ % maybe there is an editable input field
+ dup 0 ne {
+ window.current .ed get .undef ne {
+ window.current .ed.font get setfont
+ window.current .color.fg get setcolor
+ window.current .ed get exch edit.input
+ 0
+ } if
+ } if
+
+ % only top level window gets input
+ pop 0
+
+ } if
+} def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Initialize window.
+%
+% ( window ) ==> ( )
+%
+/window.init {
+ dup .type get
+ dup t_dialog eq { pop dialog.init return } if
+ dup t_help eq { pop help.init return } if
+ dup t_main eq { pop main.init return } if
+ dup t_xmenu eq { pop xmenu.init return } if
+ pop
+} def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Show window.
+%
+% ( window ) ==> ( )
+%
+/window.show {
+ dup .type get
+ dup t_dialog eq { pop dialog.show return } if
+ dup t_help eq { pop help.show return } if
+ dup t_main eq { pop main.show return } if
+ dup t_xmenu eq { pop xmenu.show return } if
+ pop
+} def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Add window to list.
+%
+% ( window ) ==> ( )
+%
+/window.push {
+ window.list.index window.list length ge { pop return } if
+ /window.current over def
+ window.list window.list.index rot put
+ /window.list.index window.list.index 1 add def
+} def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Remove window from list.
+%
+% ( ) ==> ( window )
+%
+/window.pop {
+ window.list.index 0 eq { .undef return } if
+ /window.list.index window.list.index 1 sub def
+ window.list window.list.index get
+ window.list window.list.index .undef put
+ /window.current
+ window.list.index 0 eq { .undef } { window.list window.list.index 1 sub get } ifelse
+ def
+} def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Close top level window.
+%
+% ( ) ==> ( )
+%
+/window.done {
+ window.current .undef ne {
+ window.current dup .type get
+ dup t_help eq { help.done } if
+ dup t_xmenu eq { xmenu.done } if
+ pop
+ % restore saved background and free bg image
+ dup .saved get .undef ne {
+ dup .x get 1 sub over .y get 1 sub moveto
+ dup .saved get dup restorescreen free
+ dup .saved .undef put
+ } if
+ % restore & free saved background areas
+ dup .saved.areas get .undef ne {
+ % list of [ x y screen ]
+ dup .saved.areas get {
+ dup { } forall
+ 3 1 roll moveto dup restorescreen free
+ free
+ } forall
+ dup .saved.areas get free
+ dup .saved.areas .undef put
+ } if
+ % free input field memory
+ dup .ed get .undef ne {
+ dup .ed get 2 get free % background
+ dup .ed get free
+ dup .ed .undef put
+ } if
+ dup .ed.text.list get free
+ dup .ed.list get dup {
+ { dup 2 get free free } forall
+ } { pop } ifelse
+ dup .ed.list get free
+ pop
+ % remove it from window list
+ window.pop
+ % free buttons & button list
+ dup .buttons get
+ dup .undef ne {
+ dup length 0 gt {
+ dup length 1 sub 0 1 rot {
+ over exch get free
+ } for
+ } if
+ } if
+ free
+ % free window
+ free
+ } if
+} def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Handle keyboard input.
+%
+% ( key_in ) ==> ( key_out )
+%
+/dialog.input {
+ dup 0 eq { return } if
+
+ /window.buttons window.current .buttons get def
+
+ window.buttons .undef ne { window.buttons length {
+
+ dup keyEnter eq {
+ window.buttons window.findselected
+ over over get 7 get /window.action exch def get
+ dup button.press 100000 usleep
+ window.action actNoClose and {
+ window.action dialog.specialaction { button.show } if
+ } {
+ pop window.done
+ } ifelse
+ pop 0
+ } if
+
+ window.current .ed.list get {
+ dup keyDown eq over keyTab eq or {
+ window.current .ed.focus get
+ window.current .ed.list get over get edit.hidecursor
+
+ 1 add window.current .ed.list get length mod
+ window.current .ed.focus 2 index put
+ window.current .ed.list get exch get edit.showcursor
+ pop 0
+ } if
+
+ dup keyUp eq over keyShiftTab eq or {
+ window.current .ed.focus get
+ window.current .ed.list get over get edit.hidecursor
+
+ 1 sub window.current .ed.list get length exch over add exch mod
+ window.current .ed.focus 2 index put
+ window.current .ed.list get exch get edit.showcursor
+ pop 0
+ } if
+
+% dup keyTab eq {
+% window.findselected 1 add window.buttons length mod
+% window.selectbutton
+% pop 0
+% } if
+
+ } {
+ dup keyTab eq over keyRight eq or over keyDown eq or {
+ window.findselected 1 add window.buttons length mod
+ window.selectbutton
+ pop 0
+ } if
+
+ dup keyLeft eq over keyUp eq or {
+ window.findselected window.buttons length 1 sub add window.buttons length mod
+ window.selectbutton
+ pop 0
+ } if
+ } ifelse
+
+ dup window.findkey dup 0 ge {
+ window.buttons exch
+ over over get 7 get /window.action exch def get
+ dup button.press 100000 usleep
+ window.action actNoClose and {
+ window.action dialog.specialaction { button.show } if
+ } {
+ pop window.done
+ } ifelse
+ pop 0
+ } {
+ pop
+ } ifelse
+
+ } if } if
+
+
+ % maybe there are input fields
+ dup 0 ne {
+ window.current .ed.list get dup {
+ window.current .ed.font get
+ window.current .ed.focus get window.current .ed.pw_field get eq { pwmode } if
+ setfont
+ window.current .color.fg get setcolor
+
+ window.current .ed.focus get get exch edit.input
+ 0
+ } { pop } ifelse
+ } if
+
+} def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Find selected button.
+%
+% ( ) ==> ( button_idx )
+%
+/window.findselected {
+ 0
+ 0 1 window.buttons length 1 sub {
+ dup
+ window.buttons exch get 5 get
+ {
+ exch pop exit
+ } {
+ pop
+ } ifelse
+ } for
+} def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Find button for key.
+%
+% ( key ) ==> ( button_idx )
+%
+% button_idx = -1 if not found
+%
+/window.findkey {
+ /window.key exch def
+ -1
+ window.key 0 eq { return } if
+ 0 1 window.buttons length 1 sub {
+ dup
+ window.buttons exch get 6 get window.key eq
+ {
+ exch pop exit
+ } {
+ pop
+ } ifelse
+ } for
+} def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Select button.
+%
+% ( button_idx ) ==> ( )
+%
+/window.selectbutton {
+ window.findselected
+ over over eq {
+ pop pop
+ } {
+ window.buttons exch get button.notdefault button.show
+ window.buttons exch get button.default button.show
+ } ifelse
+} def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Initialize dialog window.
+%
+% ( window ) ==> ( )
+%
+/dialog.init {
+ /dialog.tmp exch def
+
+ dialog.tmp .font get setfont
+
+ dialog.tmp .text get dup "" ne { strsize } { pop 0 0 } ifelse
+ /dialog.height exch dialog.tmp .text.y get 10 add add def
+ /dialog.width exch dialog.tmp .text.x get 1 add 2 mul add dialog.tmp .width.min get max def
+
+ /dialog.width dialog.tmp .title get strsize pop dialog.tmp .text.x get 1 add 2 mul add dialog.width max def
+
+ dialog.tmp .ed.text.list get dup {
+ /dialog.width
+ dialog.tmp .ed.width get dialog.tmp .text.x get 1 add 2 mul add 8 add dialog.width max
+ def
+ {
+ strsize
+ /dialog.height exch dialog.height add def
+ /dialog.width exch dialog.tmp .text.x get 1 add 2 mul add dialog.width max def
+ } forall
+ } { pop } ifelse
+
+ dialog.tmp .ed.buffer.list get dup {
+ length lineheight 20 add mul /dialog.height exch dialog.height add def
+ } { pop } ifelse
+
+ /window.buttons dialog.tmp .buttons get def
+
+ /dialog.button.y dialog.height 5 add def
+
+ window.buttons .undef ne { window.buttons length {
+ /dialog.height window.buttons 0 get 3 get dialog.button.y add 8 add def
+ } if } if
+
+ /dialog.y screen.size exch pop dialog.tmp .position get mul 10 div dialog.height sub 2 div 10 max def
+
+ window.buttons .undef ne { window.buttons length {
+ 10
+ 0 1 window.buttons length 1 sub {
+ window.buttons exch get
+ dup 1 dialog.button.y dialog.y add put
+ 2 get 10 add add
+ } for
+
+ dialog.width max /dialog.width exch def
+ } if } if
+
+ % adjust to window size
+ dialog.tmp .ed.width get .undef ne {
+ dialog.tmp .ed.width over over get dialog.width 30 sub max put
+ } if
+
+ /dialog.x screen.size pop dialog.width sub 2 div def
+
+ window.buttons .undef ne { window.buttons length {
+ % calculate button x positions
+ dialog.width 0
+ 0 1 window.buttons length 1 sub {
+ window.buttons exch get 2 get add
+ } for
+ sub window.buttons length 1 add div
+ dialog.x over add
+ 0 1 window.buttons length 1 sub {
+ window.buttons exch get
+ over over 0 rot put
+ 2 get add over add
+ } for
+ pop pop
+ } if } if
+
+ % store values
+
+ dialog.tmp
+ dup .x dialog.x put
+ dup .y dialog.y put
+ dup .width dialog.width put
+ dup .height dialog.height put
+ .button.y dialog.button.y put
+
+ /dialog.tmp .undef def
+} def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Draw dialog window.
+%
+% ( window ) ==> ( )
+%
+/dialog.show {
+ /dialog.tmp exch def
+
+ % put into list early, so drawing functions can access it there
+ dialog.tmp window.push
+
+ % now start drawing
+
+ dialog.tmp .x get 1 sub dialog.tmp .y get 1 sub moveto
+ white black
+ dialog.tmp .width get 2 add dialog.tmp .height get 2 add
+ over over
+ savescreen
+ dialog.tmp .saved rot put
+ drawborder
+
+ dialog.tmp .color.bg get setcolor
+ dialog.tmp .x get dialog.tmp .y get moveto
+ dialog.tmp .width get dialog.tmp .height get fillrect
+
+ dialog.tmp .title.bg get setcolor
+ dialog.tmp .x get 1 add dialog.tmp .y get 1 add moveto
+ dialog.tmp .width get 2 sub dialog.tmp .title.height get 1 sub fillrect
+
+ dialog.tmp .x get 10 add dialog.tmp .y get 3 add moveto
+ dialog.tmp .title.fg get setcolor
+ dialog.tmp .title get show
+
+ dialog.tmp .color.fg get setcolor
+ dialog.tmp .x get dialog.tmp .y get moveto
+ dialog.tmp .text.x get dialog.tmp .text.y get rmoveto
+ dialog.tmp .text get show
+
+ dialog.tmp .ed.text.list get dup {
+ /dialog.tmp.idx 0 def
+ {
+ show
+ dialog.tmp .ed.buffer.list get dialog.tmp.idx get
+
+ dup {
+
+ 3 7 rmoveto
+
+ /dialog.tmp.buf [
+ currentpoint
+ dialog.tmp .ed.width get fontheight 2 add savescreen
+ 0 0
+ 0 0 0
+ ] def
+
+ dialog.tmp.buf 3 2 index put
+ dialog.tmp.buf 4 rot cvp length put
+
+ dialog.tmp .ed.list get dialog.tmp.idx dialog.tmp.buf put
+
+ currentcolor
+ currentpoint over 1 sub over 2 sub moveto
+ black white dialog.tmp .ed.width get 2 add fontheight 5 add drawborder
+ moveto -3 lineheight 20 add 7 sub rmoveto
+ setcolor
+
+ currentfont
+ % hide text in password fields
+ dialog.tmp.idx dialog.tmp .ed.pw_field get eq {
+ dialog.tmp .ed.font get pwmode setfont
+ } if
+ dialog.tmp.buf dup 3 get edit.init
+ setfont
+
+ dialog.tmp .ed.focus get dialog.tmp.idx ne { dialog.tmp.buf edit.hidecursor } if
+
+ } { pop } ifelse
+
+ /dialog.tmp.idx inc
+ } forall
+ } { pop } ifelse
+
+ dialog.tmp .buttons get .undef ne { dialog.tmp .buttons get length {
+ 0 1 dialog.tmp .buttons get length 1 sub {
+ dialog.tmp .buttons get exch get button.show
+ } for
+ } if } if
+
+ /dialog.tmp .undef def
+
+} def
+
+
+% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+% Do something without closing the window.
+%
+% ( action ) ==> ( true|false )
+%
+% Returns whether the window still exists.
+%
+/dialog.specialaction {
+ actNoClose not and
+
+ true exch
+
+ dup actEject eq {
+ bootdrive eject pop
+ } if
+
+ dup actPowerOff eq {
+ poweroff
+ } if
+
+ dup actReboot eq {
+ reboot
+ } if
+
+ dup actInstallOK eq {
+ install.ok
+ exch not exch
+ } if
+
+% dup actInstallCancel eq {
+% install.cancel
+% exch not exch
+% } if
+
+ pop
+} def
+
+
generated by cgit v1.2.1 (git 2.21.0) at 2024-11-01 16:44:29 +0000