From 62dece5c86b7748345cc9573b788d2c07f7590cb Mon Sep 17 00:00:00 2001
From: Bastien Montagne <bastien@blender.org>
Date: Thu, 9 Jun 2022 09:37:19 +0200
Subject: Cleanup: return true/false instead of 0/1 when returnin boolean.

---
 .../blender/editors/animation/anim_channels_edit.c | 44 +++++++++++-----------
 1 file changed, 22 insertions(+), 22 deletions(-)

(limited to 'source')

diff --git a/source/blender/editors/animation/anim_channels_edit.c b/source/blender/editors/animation/anim_channels_edit.c
index f148bb5b77d..9cd4b94783a 100644
--- a/source/blender/editors/animation/anim_channels_edit.c
+++ b/source/blender/editors/animation/anim_channels_edit.c
@@ -711,14 +711,14 @@ static bool animedit_poll_channels_active(bContext *C)
   /* channels region test */
   /* TODO: could enhance with actually testing if channels region? */
   if (ELEM(NULL, area, CTX_wm_region(C))) {
-    return 0;
+    return false;
   }
   /* animation editor test */
   if (ELEM(area->spacetype, SPACE_ACTION, SPACE_GRAPH, SPACE_NLA) == 0) {
-    return 0;
+    return false;
   }
 
-  return 1;
+  return true;
 }
 
 /* Poll callback for Animation Editor channels list region + not in NLA-tweak-mode for NLA. */
@@ -730,21 +730,21 @@ static bool animedit_poll_channels_nla_tweakmode_off(bContext *C)
   /* channels region test */
   /* TODO: could enhance with actually testing if channels region? */
   if (ELEM(NULL, area, CTX_wm_region(C))) {
-    return 0;
+    return false;
   }
   /* animation editor test */
   if (ELEM(area->spacetype, SPACE_ACTION, SPACE_GRAPH, SPACE_NLA) == 0) {
-    return 0;
+    return false;
   }
 
   /* NLA tweak-mode test. */
   if (area->spacetype == SPACE_NLA) {
     if ((scene == NULL) || (scene->flag & SCE_NLA_EDIT_ON)) {
-      return 0;
+      return false;
     }
   }
 
-  return 1;
+  return true;
 }
 
 /* ****************** Rearrange Channels Operator ******************* */
@@ -791,7 +791,7 @@ static bool rearrange_island_ok(tReorderChannelIsland *island)
 {
   /* island must not be untouchable */
   if (island->flag & REORDER_ISLAND_UNTOUCHABLE) {
-    return 0;
+    return false;
   }
 
   /* island should be selected to be moved */
@@ -809,10 +809,10 @@ static bool rearrange_island_top(ListBase *list, tReorderChannelIsland *island)
     /* make it first element */
     BLI_insertlinkbefore(list, list->first, island);
 
-    return 1;
+    return true;
   }
 
-  return 0;
+  return false;
 }
 
 static bool rearrange_island_up(ListBase *list, tReorderChannelIsland *island)
@@ -833,11 +833,11 @@ static bool rearrange_island_up(ListBase *list, tReorderChannelIsland *island)
       /* push it up */
       BLI_insertlinkbefore(list, prev, island);
 
-      return 1;
+      return true;
     }
   }
 
-  return 0;
+  return false;
 }
 
 static bool rearrange_island_down(ListBase *list, tReorderChannelIsland *island)
@@ -1083,7 +1083,7 @@ static bool rearrange_animchannel_islands(ListBase *list,
 
   /* don't waste effort on an empty list */
   if (BLI_listbase_is_empty(list)) {
-    return 0;
+    return false;
   }
 
   /* group channels into islands */
@@ -1589,7 +1589,7 @@ static bool animchannels_grouping_poll(bContext *C)
   /* channels region test */
   /* TODO: could enhance with actually testing if channels region? */
   if (ELEM(NULL, area, CTX_wm_region(C))) {
-    return 0;
+    return false;
   }
 
   /* animation editor test - must be suitable modes only */
@@ -1602,7 +1602,7 @@ static bool animchannels_grouping_poll(bContext *C)
 
       /* dopesheet and action only - all others are for other datatypes or have no groups */
       if (ELEM(saction->mode, SACTCONT_ACTION, SACTCONT_DOPESHEET) == 0) {
-        return 0;
+        return false;
       }
 
       break;
@@ -1612,17 +1612,17 @@ static bool animchannels_grouping_poll(bContext *C)
 
       /* drivers can't have groups... */
       if (sipo->mode != SIPO_MODE_ANIMATION) {
-        return 0;
+        return false;
       }
 
       break;
     }
     /* unsupported... */
     default:
-      return 0;
+      return false;
   }
 
-  return 1;
+  return true;
 }
 
 /* ----------------------------------------------------------- */
@@ -2428,15 +2428,15 @@ static bool animchannels_enable_poll(bContext *C)
   /* channels region test */
   /* TODO: could enhance with actually testing if channels region? */
   if (ELEM(NULL, area, CTX_wm_region(C))) {
-    return 0;
+    return false;
   }
 
   /* animation editor test - Action/Dopesheet/etc. and Graph only */
   if (ELEM(area->spacetype, SPACE_ACTION, SPACE_GRAPH) == 0) {
-    return 0;
+    return false;
   }
 
-  return 1;
+  return true;
 }
 
 static int animchannels_enable_exec(bContext *C, wmOperator *UNUSED(op))
@@ -2504,7 +2504,7 @@ static bool animchannels_select_filter_poll(bContext *C)
   ScrArea *area = CTX_wm_area(C);
 
   if (area == NULL) {
-    return 0;
+    return false;
   }
 
   /* animation editor with dopesheet */
-- 
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