Visual tweaks: change color when following, add Broken Gray theme.

Action.c

@@ -158,7 +158,7 @@ Htop_Reaction Action_setSortKey(Settings* settings, ProcessField sortKey) {
    settings->sortKey = sortKey;
    settings->direction = 1;
    settings->treeView = false;
-   return HTOP_REFRESH | HTOP_SAVE_SETTINGS | HTOP_UPDATE_PANELHDR;
+   return HTOP_REFRESH | HTOP_SAVE_SETTINGS | HTOP_UPDATE_PANELHDR | HTOP_KEEP_FOLLOWING;
 }
 
 static Htop_Reaction sortBy(State* st) {
@@ -324,6 +324,7 @@ static Htop_Reaction actionFilterByUser(State* st) {
 
 static Htop_Reaction actionFollow(State* st) {
    st->pl->following = MainPanel_selectedPid((MainPanel*)st->panel);
+   Panel_setSelectionColor(st->panel, CRT_colors[PANEL_SELECTION_FOLLOW]);
    return HTOP_KEEP_FOLLOWING;
 }
 

CRT.c

@@ -51,7 +51,8 @@ typedef enum ColorSchemes_ {
    COLORSCHEME_LIGHTTERMINAL = 3,
    COLORSCHEME_MIDNIGHT = 4,
    COLORSCHEME_BLACKNIGHT = 5,
-   LAST_COLORSCHEME = 6,
+   COLORSCHEME_BROKENGRAY = 6,
+   LAST_COLORSCHEME = 7,
 } ColorSchemes;
 
 typedef enum ColorElements_ {
@@ -62,8 +63,9 @@ typedef enum ColorElements_ {
    FAILED_SEARCH,
    PANEL_HEADER_FOCUS,
    PANEL_HEADER_UNFOCUS,
-   PANEL_HIGHLIGHT_FOCUS,
-   PANEL_HIGHLIGHT_UNFOCUS,
+   PANEL_SELECTION_FOCUS,
+   PANEL_SELECTION_FOLLOW,
+   PANEL_SELECTION_UNFOCUS,
    LARGE_NUMBER,
    METER_TEXT,
    METER_VALUE,
@@ -158,8 +160,9 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
       [FUNCTION_KEY] = ColorPair(White,Black),
       [PANEL_HEADER_FOCUS] = ColorPair(Black,Green),
       [PANEL_HEADER_UNFOCUS] = ColorPair(Black,Green),
-      [PANEL_HIGHLIGHT_FOCUS] = ColorPair(Black,Cyan),
-      [PANEL_HIGHLIGHT_UNFOCUS] = ColorPair(Black,White),
+      [PANEL_SELECTION_FOCUS] = ColorPair(Black,Cyan),
+      [PANEL_SELECTION_FOLLOW] = ColorPair(Black,Yellow),
+      [PANEL_SELECTION_UNFOCUS] = ColorPair(Black,White),
       [FAILED_SEARCH] = ColorPair(Red,Cyan),
       [UPTIME] = A_BOLD | ColorPair(Cyan,Black),
       [BATTERY] = A_BOLD | ColorPair(Cyan,Black),
@@ -216,8 +219,9 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
       [FUNCTION_KEY] = A_NORMAL,
       [PANEL_HEADER_FOCUS] = A_REVERSE,
       [PANEL_HEADER_UNFOCUS] = A_REVERSE,
-      [PANEL_HIGHLIGHT_FOCUS] = A_REVERSE,
-      [PANEL_HIGHLIGHT_UNFOCUS] = A_BOLD,
+      [PANEL_SELECTION_FOCUS] = A_REVERSE,
+      [PANEL_SELECTION_FOLLOW] = A_REVERSE,
+      [PANEL_SELECTION_UNFOCUS] = A_BOLD,
       [FAILED_SEARCH] = A_REVERSE | A_BOLD,
       [UPTIME] = A_BOLD,
       [BATTERY] = A_BOLD,
@@ -274,8 +278,9 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
       [FUNCTION_KEY] = ColorPair(Black,White),
       [PANEL_HEADER_FOCUS] = ColorPair(Black,Green),
       [PANEL_HEADER_UNFOCUS] = ColorPair(Black,Green),
-      [PANEL_HIGHLIGHT_FOCUS] = ColorPair(Black,Cyan),
-      [PANEL_HIGHLIGHT_UNFOCUS] = ColorPair(Blue,White),
+      [PANEL_SELECTION_FOCUS] = ColorPair(Black,Cyan),
+      [PANEL_SELECTION_FOLLOW] = ColorPair(Black,Yellow),
+      [PANEL_SELECTION_UNFOCUS] = ColorPair(Blue,White),
       [FAILED_SEARCH] = ColorPair(Red,Cyan),
       [UPTIME] = ColorPair(Yellow,White),
       [BATTERY] = ColorPair(Yellow,White),
@@ -332,8 +337,9 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
       [FUNCTION_KEY] = ColorPair(Black,Black),
       [PANEL_HEADER_FOCUS] = ColorPair(Black,Green),
       [PANEL_HEADER_UNFOCUS] = ColorPair(Black,Green),
-      [PANEL_HIGHLIGHT_FOCUS] = ColorPair(Black,Cyan),
-      [PANEL_HIGHLIGHT_UNFOCUS] = ColorPair(Blue,Black),
+      [PANEL_SELECTION_FOCUS] = ColorPair(Black,Cyan),
+      [PANEL_SELECTION_FOLLOW] = ColorPair(Black,Yellow),
+      [PANEL_SELECTION_UNFOCUS] = ColorPair(Blue,Black),
       [FAILED_SEARCH] = ColorPair(Red,Cyan),
       [UPTIME] = ColorPair(Yellow,Black),
       [BATTERY] = ColorPair(Yellow,Black),
@@ -390,8 +396,9 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
       [FUNCTION_KEY] = A_NORMAL,
       [PANEL_HEADER_FOCUS] = ColorPair(Black,Cyan),
       [PANEL_HEADER_UNFOCUS] = ColorPair(Black,Cyan),
-      [PANEL_HIGHLIGHT_FOCUS] = ColorPair(Black,White),
-      [PANEL_HIGHLIGHT_UNFOCUS] = A_BOLD | ColorPair(Yellow,Blue),
+      [PANEL_SELECTION_FOCUS] = ColorPair(Black,White),
+      [PANEL_SELECTION_FOLLOW] = ColorPair(Black,Yellow),
+      [PANEL_SELECTION_UNFOCUS] = A_BOLD | ColorPair(Yellow,Blue),
       [FAILED_SEARCH] = ColorPair(Red,Cyan),
       [UPTIME] = A_BOLD | ColorPair(Yellow,Blue),
       [BATTERY] = A_BOLD | ColorPair(Yellow,Blue),
@@ -448,8 +455,9 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
       [FUNCTION_KEY] = ColorPair(Cyan,Black),
       [PANEL_HEADER_FOCUS] = ColorPair(Black,Green),
       [PANEL_HEADER_UNFOCUS] = ColorPair(Black,Green),
-      [PANEL_HIGHLIGHT_FOCUS] = ColorPair(Black,Cyan),
-      [PANEL_HIGHLIGHT_UNFOCUS] = ColorPair(Black,White),
+      [PANEL_SELECTION_FOCUS] = ColorPair(Black,Cyan),
+      [PANEL_SELECTION_FOLLOW] = ColorPair(Black,Yellow),
+      [PANEL_SELECTION_UNFOCUS] = ColorPair(Black,White),
       [FAILED_SEARCH] = ColorPair(Red,Cyan),
       [UPTIME] = ColorPair(Green,Black),
       [BATTERY] = ColorPair(Green,Black),
@@ -498,7 +506,8 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
       [CPU_SOFTIRQ] = ColorPair(Blue,Black),
       [CPU_STEAL] = ColorPair(Cyan,Black),
       [CPU_GUEST] = ColorPair(Cyan,Black),
-   }
+   },
+   [COLORSCHEME_BROKENGRAY] = { 0 } // dynamically generated.
 };
 
 int CRT_cursorX = 0;
@@ -530,6 +539,12 @@ void CRT_init(int delay, int colorScheme) {
    }
    CRT_colors = CRT_colorSchemes[colorScheme];
    CRT_colorScheme = colorScheme;
+   
+   for (int i = 0; i < LAST_COLORELEMENT; i++) {
+      int color = CRT_colorSchemes[COLORSCHEME_DEFAULT][i];
+      CRT_colorSchemes[COLORSCHEME_BROKENGRAY][i] = color == (A_BOLD | ColorPair(Black,Black)) ? ColorPair(White,Black) : color;
+   }
+   
    halfdelay(CRT_delay);
    nonl();
    intrflush(stdscr, false);

CRT.h

@@ -42,7 +42,8 @@ typedef enum ColorSchemes_ {
    COLORSCHEME_LIGHTTERMINAL = 3,
    COLORSCHEME_MIDNIGHT = 4,
    COLORSCHEME_BLACKNIGHT = 5,
-   LAST_COLORSCHEME = 6,
+   COLORSCHEME_BROKENGRAY = 6,
+   LAST_COLORSCHEME = 7,
 } ColorSchemes;
 
 typedef enum ColorElements_ {
@@ -53,8 +54,9 @@ typedef enum ColorElements_ {
    FAILED_SEARCH,
    PANEL_HEADER_FOCUS,
    PANEL_HEADER_UNFOCUS,
-   PANEL_HIGHLIGHT_FOCUS,
-   PANEL_HIGHLIGHT_UNFOCUS,
+   PANEL_SELECTION_FOCUS,
+   PANEL_SELECTION_FOLLOW,
+   PANEL_SELECTION_UNFOCUS,
    LARGE_NUMBER,
    METER_TEXT,
    METER_VALUE,

ColorsPanel.c

@@ -43,6 +43,7 @@ static const char* ColorSchemeNames[] = {
    "Light Terminal",
    "MC",
    "Black Night",
+   "Broken Gray",
    NULL
 };
 

MainPanel.c

@@ -139,6 +139,7 @@ static HandlerResult MainPanel_eventHandler(Panel* super, int ch) {
    }
    if (!(reaction & HTOP_KEEP_FOLLOWING)) {
       this->state->pl->following = -1;
+      Panel_setSelectionColor(super, CRT_colors[PANEL_SELECTION_FOCUS]);
    }
    return result;
 }

Panel.c

@@ -68,6 +68,7 @@ struct Panel_ {
    FunctionBar* currentBar;
    FunctionBar* defaultBar;
    RichString header;
+   int selectionColor;
 };
 
 #define Panel_setDefaultBar(this_) do{ (this_)->currentBar = (this_)->defaultBar; }while(0)
@@ -123,6 +124,7 @@ void Panel_init(Panel* this, int x, int y, int w, int h, ObjectClass* type, bool
    RichString_beginAllocated(this->header);
    this->defaultBar = fuBar;
    this->currentBar = fuBar;
+   this->selectionColor = CRT_colors[PANEL_SELECTION_FOCUS];
 }
 
 void Panel_done(Panel* this) {
@@ -133,6 +135,10 @@ void Panel_done(Panel* this) {
    RichString_end(this->header);
 }
 
+void Panel_setSelectionColor(Panel* this, int color) {
+   this->selectionColor = color;
+}
+
 RichString* Panel_getHeader(Panel* this) {
    assert (this != NULL);
 
@@ -301,9 +307,9 @@ void Panel_draw(Panel* this, bool focus) {
    int first = this->scrollV;
    int upTo = MIN(first + h, size);
 
-   int highlight = focus
-                 ? CRT_colors[PANEL_HIGHLIGHT_FOCUS]
-                 : CRT_colors[PANEL_HIGHLIGHT_UNFOCUS];
+   int selectionColor = focus
+                 ? this->selectionColor
+                 : CRT_colors[PANEL_SELECTION_UNFOCUS];
 
    if (this->needsRedraw) {
       int line = 0;
@@ -316,8 +322,8 @@ void Panel_draw(Panel* this, bool focus) {
          int amt = MIN(itemLen - scrollH, this->w);
          bool selected = (i == this->selected);
          if (selected) {
-            attrset(highlight);
-            RichString_setAttr(&item, highlight);
+            attrset(selectionColor);
+            RichString_setAttr(&item, selectionColor);
          }
          mvhline(y + line, x, ' ', this->w);
          if (amt > 0)
@@ -347,9 +353,9 @@ void Panel_draw(Panel* this, bool focus) {
       if (scrollH < oldLen)
          RichString_printoffnVal(old, y+this->oldSelected - first, x,
             scrollH, MIN(oldLen - scrollH, this->w));
-      attrset(highlight);
+      attrset(selectionColor);
       mvhline(y+this->selected - first, x+0, ' ', this->w);
-      RichString_setAttr(&new, highlight);
+      RichString_setAttr(&new, selectionColor);
       if (scrollH < newLen)
          RichString_printoffnVal(new, y+this->selected - first, x,
             scrollH, MIN(newLen - scrollH, this->w));

Panel.h

@@ -57,6 +57,7 @@ struct Panel_ {
    FunctionBar* currentBar;
    FunctionBar* defaultBar;
    RichString header;
+   int selectionColor;
 };
 
 #define Panel_setDefaultBar(this_) do{ (this_)->currentBar = (this_)->defaultBar; }while(0)
@@ -84,6 +85,8 @@ void Panel_init(Panel* this, int x, int y, int w, int h, ObjectClass* type, bool
 
 void Panel_done(Panel* this);
 
+void Panel_setSelectionColor(Panel* this, int color);
+
 RichString* Panel_getHeader(Panel* this);
 
 extern void Panel_setHeader(Panel* this, const char* header);

ProcessList.c

@@ -120,7 +120,7 @@ void ProcessList_printHeader(ProcessList* this, RichString* header) {
       const char* field = Process_fields[fields[i]].title;
       if (!field) field = "- ";
       if (!this->settings->treeView && this->settings->sortKey == fields[i])
-         RichString_append(header, CRT_colors[PANEL_HIGHLIGHT_FOCUS], field);
+         RichString_append(header, CRT_colors[PANEL_SELECTION_FOCUS], field);
       else
          RichString_append(header, CRT_colors[PANEL_HEADER_FOCUS], field);
    }