From fb38f92c3a5c29c568575df87f0c29e777ebd969 Mon Sep 17 00:00:00 2001
From: Jaakko Keränen <jaakko.keranen@iki.fi>
Date: Mon, 29 Mar 2021 11:05:09 +0300
Subject: Improving alt text animation; cleaned up key shortcut labels

Remove extra Plus signs from key shortcuts.
---
 src/ui/util.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'src/ui/util.c')

diff --git a/src/ui/util.c b/src/ui/util.c
index 08a04105..2996bfd5 100644
--- a/src/ui/util.c
+++ b/src/ui/util.c
@@ -62,6 +62,13 @@ const char *command_UserEvent(const SDL_Event *d) {
     return "";
 }
 
+static void removePlus_(iString *str) {
+    if (endsWith_String(str, "+")) {
+        removeEnd_String(str, 1);
+        appendCStr_String(str, " ");
+    }
+}
+
 void toString_Sym(int key, int kmods, iString *str) {
 #if defined (iPlatformApple)
     if (kmods & KMOD_CTRL) {
@@ -100,27 +107,35 @@ void toString_Sym(int key, int kmods, iString *str) {
         appendCStr_String(str, "Esc");
     }
     else if (key == SDLK_LEFT) {
+        removePlus_(str);
         appendChar_String(str, 0x2190);
     }
     else if (key == SDLK_RIGHT) {
+        removePlus_(str);
         appendChar_String(str, 0x2192);
     }
     else if (key == SDLK_UP) {
+        removePlus_(str);
         appendChar_String(str, 0x2191);
     }
     else if (key == SDLK_DOWN) {
+        removePlus_(str);
         appendChar_String(str, 0x2193);
     }
     else if (key < 128 && (isalnum(key) || ispunct(key))) {
+        if (ispunct(key)) removePlus_(str);
         appendChar_String(str, upper_Char(key));
     }
     else if (key == SDLK_BACKSPACE) {
+        removePlus_(str);
         appendChar_String(str, 0x232b); /* Erase to the Left */
     }
     else if (key == SDLK_DELETE) {
+        removePlus_(str);
         appendChar_String(str, 0x2326); /* Erase to the Right */
     }
     else if (key == SDLK_RETURN) {
+        removePlus_(str);
         appendChar_String(str, 0x21a9); /* Leftwards arrow with a hook */
     }
     else {
@@ -293,6 +308,19 @@ void setValue_Anim(iAnim *d, float to, uint32_t span) {
     }
 }
 
+void setValueSpeed_Anim(iAnim *d, float to, float unitsPerSecond) {
+    if (iAbs(d->to - to) > 0.0001f) {
+        const uint32_t now   = SDL_GetTicks();
+        const float    from  = valueAt_Anim_(d, now);
+        const float    delta = to - from;
+        const uint32_t span  = (fabsf(delta) / unitsPerSecond) * 1000;
+        d->from              = from;
+        d->to                = to;
+        d->when              = now;
+        d->due               = d->when + span;
+    }
+}
+
 void setValueEased_Anim(iAnim *d, float to, uint32_t span) {
     if (fabsf(to - d->to) <= 0.00001f) {
         d->to = to; /* Pretty much unchanged. */
-- 
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