From 240aa6b095429694dea8ae9071ce8d6aa53fe948 Mon Sep 17 00:00:00 2001
From: d6 <d_m@plastic-idolatry.com>
Date: Thu, 31 Mar 2022 00:27:29 -0400
Subject: [PATCH] move forward through searchings uses 'n'

---
 femto.tal | 58 ++++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 49 insertions(+), 9 deletions(-)

diff --git a/femto.tal b/femto.tal
index 19961c5..4366c49 100644
--- a/femto.tal
+++ b/femto.tal
@@ -603,8 +603,7 @@
 
 @do-search ( -> )
     #01 .searching/active STZ
-    ;redraw-all JSR2 ;return JMP2
-
+    ;move-to-next-match JMP2
 
 @toggle-color ( -> )
     .config/color LDZ2 #3733 EQU2 ,&wrap-around JCN
@@ -621,7 +620,7 @@
 (       maybe M-% for search&replace )
 @on-key-escaped ( -> )
     #00 .state/saw-esc STZ
-    .Console/read DEI .state/key STZ
+(    .Console/read DEI .state/key STZ )
     .state/key LDZ LIT '< EQU ( M-< ) ;goto-start JCN2
     .state/key LDZ LIT '> EQU ( M-> ) ;goto-end JCN2
     .state/key LDZ LIT 'c EQU ( M-c ) ;toggle-color JCN2
@@ -636,7 +635,7 @@
 
 @on-key-vt ( -> )
     .state/saw-vt LDZk STH #00 SWP STZ
-    .Console/read DEI LIT '~ EQU ,&ok JCN
+    .state/key LDZ LIT '~ EQU ,&ok JCN
         POPr BRK
     &ok
       STHr DUP LIT '1 NEQ ,&not-1 JCN
@@ -660,7 +659,6 @@
 
 @on-key-xterm ( -> )
     #00 .state/saw-xterm STZ
-    .Console/read DEI .state/key STZ
     .state/key LDZ LIT 'A EQU ( ^[[A -> up ) ;up JCN2
     .state/key LDZ LIT 'B EQU ( ^[[B -> down ) ;down JCN2
     .state/key LDZ LIT 'C EQU ( ^[[C -> right ) ;forward JCN2
@@ -682,17 +680,36 @@
 
 @cancel-search
     #00 .searching/active STZ
+    .searching/orig-row LDZ2 ;jump-to-line JSR2
+    .searching/orig-col LDZ2 .cursor/col STZ2
     ;redraw-all JSR2 ;return JMP2
 
 @finish-search
     #00 .searching/active STZ
     ;redraw-all JSR2 ;return JMP2
 
-@move-to-next-match BRK
+@move-to-next-match
+    .buffer/limit LDZ2
+    ( FIXME: we should consider starting at the _end_ of the current match )
+    ;cur-pos JSR2 INC2
+    &loop
+        GTH2k ,&next JCN ,&fail JMP
+    &next
+        DUP2 ;matches-at JSR2
+        ORA ,&found JCN
+        INC2 ,&loop JMP
+    &found
+        NIP2 ;jump-to-pos JSR2
+        ,&done JMP
+    &fail
+        POP2 POP2
+    &done
+        ;redraw-all JSR2
+        ;return JMP2
+
 @move-to-prev-match BRK
 
 @on-key-searching
-    .Console/read DEI .state/key STZ
     .state/key LDZ #07 EQU ( C-g ) ;cancel-search JCN2
     .state/key LDZ #0d EQU ( \r  ) ;finish-search JCN2
     .state/key LDZ #6e EQU ( n ) ;move-to-next-match JCN2
@@ -700,7 +717,6 @@
     ;ignore JMP2
 
 @on-key-prompt
-    .Console/read DEI .state/key STZ
     .state/key LDZ #07 EQU ( C-g ) ;cancel-prompt JCN2
     .state/key LDZ #0d EQU ( \r  ) ;finish-prompt JCN2
     .state/key LDZ #7f EQU ( DEL ) ;backspace-prompt JCN2
@@ -713,13 +729,13 @@
 ( TODO: C-s for search )
 ( TODO: tab input? )
 @on-key
+    .Console/read DEI .state/key STZ
     ;clear-message-line JSR2
     .searching/active LDZ ;on-key-searching JCN2
     .prompt/active LDZ ;on-key-prompt JCN2
     .state/saw-vt LDZ ;on-key-vt JCN2
     .state/saw-xterm LDZ ;on-key-xterm JCN2
     .state/saw-esc LDZ ;on-key-escaped JCN2
-    .Console/read DEI .state/key STZ
     .state/key LDZ #01 EQU ( C-a ) ;bol JCN2 
     .state/key LDZ #02 EQU ( C-b ) ;back JCN2
     .state/key LDZ #04 EQU ( C-d ) ;delete JCN2
@@ -1057,6 +1073,30 @@
     &tabs #0004 ADD2 ,&loop JMP
     &done POP2 STH2r JMP2r )
 
+@jump-to-pos ( s* -> )
+    ;pos-to-row-col JSR2 ( row col )
+    SWP2 ;jump-to-line JSR2
+    .cursor/col STZ2
+    JMP2r
+
+@pos-to-row-col ( s* -> row* col* )
+    #0000 ,&row STR2
+    #0000 ,&col STR2
+    ;data
+    &loop ( s pos )
+        GTH2k ,&next JCN ,&done JMP
+    &next
+        LDAk #0a EQU ,&newline JCN
+        ,&col LDR2 INC2 ,&col STR2
+        INC2 ,&loop JMP
+    &newline
+        #0000 ,&col STR2
+        ,&row LDR2 INC2 ,&row STR2
+        INC2 ,&loop JMP
+    &done
+        ,&row LDR2 ,&col LDR2 JMP2r
+    [ &row $2 &col $2 ]
+
 @abs-line ( y* -> s* )
     #0000 SWP2 SUB2 STH2 ( [-y] )
     ;data ( addr )