From 20d95ee2c3dfba12a15c9290b69aa8aaa9d5f2fa Mon Sep 17 00:00:00 2001
From: H.G. Muller <h.g.muller@hccnet.nl>
Date: Wed, 5 Feb 2014 21:29:42 +0100
Subject: [PATCH] Preserve unfinished input lines during chat switch

This is problematic, as apparently we cannot write in widgets that are
active with key hits, so attempting to write it back in response to Tab
did not work. This is now done with a delay, for lack of a better method.
---
 dialogs.c |   30 +++++++++++++++++++++++++++---
 1 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/dialogs.c b/dialogs.c
index 39805c9..91d752b 100644
--- a/dialogs.c
+++ b/dialogs.c
@@ -1706,7 +1706,7 @@ PromotionPopUp (char choice)
 
 //---------------------------- Chat Windows ----------------------------------------------
 
-static char *line, *memo, *chatMemo, *partner, *texts[MAX_CHAT], dirty[MAX_CHAT];
+static char *line, *memo, *chatMemo, *partner, *texts[MAX_CHAT], dirty[MAX_CHAT], *inputs[MAX_CHAT], *icsLine, *tmpLine;
 static int activePartner, hidden = 1;
 
 void ChatSwitch P((int n));
@@ -1871,17 +1871,30 @@ ChatOK (int n)
 }
 
 void
+DelayedSetText ()
+{
+    SetWidgetText(&chatOptions[CHAT_IN], tmpLine, ChatDlg);
+    SetInsertPos(&chatOptions[CHAT_IN], strlen(tmpLine));
+}
+
+void
 DelayedScroll ()
 {   // If we do this immediately it does it before shrinking the memo, so the lower half remains hidden (Ughh!)
     SetInsertPos(&chatOptions[CHAT_ICS], 999999);
+    SetWidgetText(&chatOptions[CHAT_IN], tmpLine, ChatDlg);
+    SetInsertPos(&chatOptions[CHAT_IN], strlen(tmpLine));
 }
 
 void
 ChatSwitch (int n)
 {
     int i, j;
+    char *v;
     Show(&chatOptions[CHAT_PANE], 0); // show
     if(hidden) ScheduleDelayedEvent(DelayedScroll, 50); // Awful!
+    else ScheduleDelayedEvent(DelayedSetText, 50);
+    GetWidgetText(&chatOptions[CHAT_IN], &v);
+    if(hidden) { ASSIGN(icsLine, v); } else { ASSIGN(inputs[activePartner], v); }
     hidden = 0;
     activePartner = --n;
     if(!texts[n]) texts[n] = strdup("");
@@ -1893,14 +1906,24 @@ ChatSwitch (int n)
 	SetWidgetLabel(&chatOptions[++j], *chatPartner[i] ? chatPartner[i] : _("New Chat"));
 	SetColor(dirty[i] ? "#FFC000" : "#FFFFFF", &chatOptions[j]);
     }
-    SetWidgetText(&chatOptions[CHAT_IN], "", ChatDlg);
+    if(!inputs[n]) { ASSIGN(inputs[n], ""); }
+//    SetWidgetText(&chatOptions[CHAT_IN], inputs[n], ChatDlg); // does not work (in this widget only)
+//    SetInsertPos(&chatOptions[CHAT_IN], strlen(inputs[n]));
+    tmpLine = inputs[n]; // for the delayed event
     HardSetFocus(&chatOptions[strcmp(chatPartner[n], "") ? CHAT_IN : CHAT_PARTNER], 0);
 }
 
 void
 PaneSwitch ()
 {
+    char *v;
     Show(&chatOptions[CHAT_PANE], hidden = 1); // hide
+    GetWidgetText(&chatOptions[CHAT_IN], &v);
+    ASSIGN(inputs[activePartner], v);
+    if(!icsLine) { ASSIGN(icsLine, ""); }
+    tmpLine = icsLine; ScheduleDelayedEvent(DelayedSetText, 50);
+//    SetWidgetText(&chatOptions[CHAT_IN], icsLine, ChatDlg); // does not work (in this widget only)
+//    SetInsertPos(&chatOptions[CHAT_IN], strlen(icsLine));
 }
 
 static void
@@ -1926,7 +1949,8 @@ ChatProc ()
 {
     if(GenericPopUp(chatOptions, _("ICS Interaction"), ChatDlg, BoardWindow, NONMODAL, appData.topLevel))
 	AddHandler(&chatOptions[CHAT_PARTNER], ChatDlg, 2), AddHandler(&chatOptions[CHAT_IN], ChatDlg, 2); // treats return as OK
-    PaneSwitch(); HardSetFocus(&chatOptions[CHAT_IN], 0);
+    Show(&chatOptions[CHAT_PANE], hidden = 1); // hide
+    HardSetFocus(&chatOptions[CHAT_IN], 0);
     MarkMenu("View.OpenChatWindow", ChatDlg);
     CursorAtEnd(&chatOptions[CHAT_IN]);
 }
-- 
1.7.0.4