Move FunctionBar inside Panel

27 files changed, 134 insertions, 137 deletions

diff --git a/Action.c b/Action.c
index adc6ed98..30c0ab7d 100644
--- a/Action.c
+++ b/Action.c
@@ -61,18 +61,16 @@ typedef struct State_ {
 
 }*/
 
-Object* Action_pickFromVector(State* st, Panel* list, int x, const char** keyLabels) {
+Object* Action_pickFromVector(State* st, Panel* list, int x) {
    Panel* panel = st->panel;
    Header* header = st->header;
    Settings* settings = st->settings;
    
    int y = panel->y;
-   const char* fuKeys[] = {"Enter", "Esc", NULL};
-   int fuEvents[] = {13, 27};
    ScreenManager* scr = ScreenManager_new(0, header->height, 0, -1, HORIZONTAL, header, settings, false);
    scr->allowFocusChange = false;
-   ScreenManager_add(scr, list, FunctionBar_new(keyLabels, fuKeys, fuEvents), x - 1);
-   ScreenManager_add(scr, panel, NULL, -1);
+   ScreenManager_add(scr, list, x - 1);
+   ScreenManager_add(scr, panel, -1);
    Panel* panelFocus;
    int ch;
    bool unfollow = false;
@@ -100,12 +98,10 @@ Object* Action_pickFromVector(State* st, Panel* list, int x, const char** keyLab
 
 // ----------------------------------------
 
-static const char* CategoriesFunctions[] = {"      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "Done  ", NULL};
-
 static void Action_runSetup(Settings* settings, const Header* header, ProcessList* pl) {
    ScreenManager* scr = ScreenManager_new(0, header->height, 0, -1, HORIZONTAL, header, settings, true);
    CategoriesPanel* panelCategories = CategoriesPanel_new(scr, settings, (Header*) header, pl);
-   ScreenManager_add(scr, (Panel*) panelCategories, FunctionBar_new(CategoriesFunctions, NULL, NULL), 16);
+   ScreenManager_add(scr, (Panel*) panelCategories, 16);
    CategoriesPanel_makeMetersPage(panelCategories);
    Panel* panelFocus;
    int ch;
@@ -165,11 +161,14 @@ static inline Htop_Reaction setSortKey(Settings* settings, ProcessField sortKey)
    return HTOP_REFRESH | HTOP_SAVE_SETTINGS | HTOP_UPDATE_PANELHDR;
 }
 
+static const char* SortFunctions[] = {"Sort  ", "Cancel ", NULL};
+static const char* SortKeys[] = {"Enter", "Esc", NULL};
+static int SortEvents[] = {13, 27};
+
 static Htop_Reaction sortBy(State* st) {
    Htop_Reaction reaction = HTOP_OK;
-   Panel* sortPanel = Panel_new(0, 0, 0, 0, true, Class(ListItem));
+   Panel* sortPanel = Panel_new(0, 0, 0, 0, true, Class(ListItem), FunctionBar_new(SortFunctions, SortKeys, SortEvents));
    Panel_setHeader(sortPanel, "Sort by");
-   const char* fuFunctions[] = {"Sort  ", "Cancel ", NULL};
    ProcessField* fields = st->settings->fields;
    for (int i = 0; fields[i]; i++) {
       char* name = String_trim(Process_fields[fields[i]].name);
@@ -178,7 +177,7 @@ static Htop_Reaction sortBy(State* st) {
          Panel_setSelected(sortPanel, i);
       free(name);
    }
-   ListItem* field = (ListItem*) Action_pickFromVector(st, sortPanel, 15, fuFunctions);
+   ListItem* field = (ListItem*) Action_pickFromVector(st, sortPanel, 15);
    if (field) {
       reaction |= setSortKey(st->settings, field->key);
    }
@@ -280,8 +279,7 @@ static Htop_Reaction actionSetAffinity(State* st) {
    Panel* affinityPanel = AffinityPanel_new(st->pl, affinity);
    Affinity_delete(affinity);
 
-   const char* fuFunctions[] = {"Set    ", "Cancel ", NULL};
-   void* set = Action_pickFromVector(st, affinityPanel, 15, fuFunctions);
+   void* set = Action_pickFromVector(st, affinityPanel, 15);
    if (set) {
       Affinity* affinity = AffinityPanel_getAffinity(affinityPanel, st->pl);
       bool ok = MainPanel_foreachProcess((MainPanel*)panel, (MainPanel_ForeachProcessFn) Affinity_set, (size_t) affinity, NULL);
@@ -295,8 +293,7 @@ static Htop_Reaction actionSetAffinity(State* st) {
 
 static Htop_Reaction actionKill(State* st) {
    Panel* signalsPanel = (Panel*) SignalsPanel_new();
-   const char* fuFunctions[] = {"Send  ", "Cancel ", NULL};
-   ListItem* sgn = (ListItem*) Action_pickFromVector(st, signalsPanel, 15, fuFunctions);
+   ListItem* sgn = (ListItem*) Action_pickFromVector(st, signalsPanel, 15);
    if (sgn) {
       if (sgn->key != 0) {
          Panel_setHeader(st->panel, "Sending...");
@@ -310,15 +307,18 @@ static Htop_Reaction actionKill(State* st) {
    return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
 }
 
+static const char* UsersFunctions[] = {"Show    ", "Cancel ", NULL};
+static const char* UsersKeys[] = {"Enter", "Esc", NULL};
+static int UsersEvents[] = {13, 27};
+
 static Htop_Reaction actionFilterByUser(State* st) {
-   Panel* usersPanel = Panel_new(0, 0, 0, 0, true, Class(ListItem));
+   Panel* usersPanel = Panel_new(0, 0, 0, 0, true, Class(ListItem), FunctionBar_new(UsersFunctions, UsersKeys, UsersEvents));
    Panel_setHeader(usersPanel, "Show processes of:");
    UsersTable_foreach(st->ut, addUserToVector, usersPanel);
    Vector_insertionSort(usersPanel->items);
    ListItem* allUsers = ListItem_new("All users", -1);
    Panel_insert(usersPanel, 0, (Object*) allUsers);
-   const char* fuFunctions[] = {"Show    ", "Cancel ", NULL};
-   ListItem* picked = (ListItem*) Action_pickFromVector(st, usersPanel, 20, fuFunctions);
+   ListItem* picked = (ListItem*) Action_pickFromVector(st, usersPanel, 20);
    if (picked) {
       if (picked == allUsers) {
          st->pl->userId = -1;
diff --git a/Action.h b/Action.h
index 4228349c..3015a006 100644
--- a/Action.h
+++ b/Action.h
@@ -39,7 +39,7 @@ typedef struct State_ {
 } State;
 
 
-Object* Action_pickFromVector(State* st, Panel* list, int x, const char** keyLabels);
+Object* Action_pickFromVector(State* st, Panel* list, int x);
 
 // ----------------------------------------
 
diff --git a/AffinityPanel.c b/AffinityPanel.c
index fb642e06..644c6338 100644
--- a/AffinityPanel.c
+++ b/AffinityPanel.c
@@ -42,8 +42,12 @@ PanelClass AffinityPanel_class = {
    .eventHandler = AffinityPanel_eventHandler
 };
 
+static const char* AffinityFunctions[] = {"Set    ", "Cancel ", NULL};
+static const char* AffinityKeys[] = {"Enter", "Esc", NULL};
+static int AffinityEvents[] = {13, 27};
+
 Panel* AffinityPanel_new(ProcessList* pl, Affinity* affinity) {
-   Panel* this = Panel_new(1, 1, 1, 1, true, Class(CheckItem));
+   Panel* this = Panel_new(1, 1, 1, 1, true, Class(CheckItem), FunctionBar_new(AffinityFunctions, AffinityKeys, AffinityEvents));
    Object_setClass(this, Class(AffinityPanel));
 
    Panel_setHeader(this, "Use CPUs:");
diff --git a/AvailableColumnsPanel.c b/AvailableColumnsPanel.c
index bc851eb8..70d75807 100644
--- a/AvailableColumnsPanel.c
+++ b/AvailableColumnsPanel.c
@@ -26,6 +26,8 @@ typedef struct AvailableColumnsPanel_ {
 
 }*/
 
+static const char* AvailableColumnsFunctions[] = {"      ", "      ", "      ", "      ", "Add   ", "      ", "      ", "      ", "      ", "Done  ", NULL};
+
 static void AvailableColumnsPanel_delete(Object* object) {
    Panel* super = (Panel*) object;
    AvailableColumnsPanel* this = (AvailableColumnsPanel*) object;
@@ -71,7 +73,8 @@ PanelClass AvailableColumnsPanel_class = {
 AvailableColumnsPanel* AvailableColumnsPanel_new(Panel* columns) {
    AvailableColumnsPanel* this = AllocThis(AvailableColumnsPanel);
    Panel* super = (Panel*) this;
-   Panel_init(super, 1, 1, 1, 1, Class(ListItem), true);
+   FunctionBar* fuBar = FunctionBar_new(AvailableColumnsFunctions, NULL, NULL);
+   Panel_init(super, 1, 1, 1, 1, Class(ListItem), true, fuBar);
 
    Panel_setHeader(super, "Available Columns");
 
diff --git a/AvailableMetersPanel.c b/AvailableMetersPanel.c
index 88a95db9..67451388 100644
--- a/AvailableMetersPanel.c
+++ b/AvailableMetersPanel.c
@@ -34,6 +34,10 @@ typedef struct AvailableMetersPanel_ {
 
 }*/
 
+static const char* AvailableMetersFunctions[] = {"Add   ", "Done  ", NULL};
+static const char* AvailableMetersKeys[] = {"Enter", "Esc"};
+static int AvailableMetersEvents[] = {13, 27};
+
 static void AvailableMetersPanel_delete(Object* object) {
    Panel* super = (Panel*) object;
    AvailableMetersPanel* this = (AvailableMetersPanel*) object;
@@ -102,7 +106,8 @@ PanelClass AvailableMetersPanel_class = {
 AvailableMetersPanel* AvailableMetersPanel_new(Settings* settings, Header* header, Panel* leftMeters, Panel* rightMeters, ScreenManager* scr, ProcessList* pl) {
    AvailableMetersPanel* this = AllocThis(AvailableMetersPanel);
    Panel* super = (Panel*) this;
-   Panel_init(super, 1, 1, 1, 1, Class(ListItem), true);
+   FunctionBar* fuBar = FunctionBar_new(AvailableMetersFunctions, AvailableMetersKeys, AvailableMetersEvents);
+   Panel_init(super, 1, 1, 1, 1, Class(ListItem), true, fuBar);
    
    this->settings = settings;
    this->header = header;
diff --git a/CategoriesPanel.c b/CategoriesPanel.c
index 7fa31b7d..fe55a88a 100644
--- a/CategoriesPanel.c
+++ b/CategoriesPanel.c
@@ -34,21 +34,7 @@ typedef struct CategoriesPanel_ {
 
 }*/
 
-static const char* MetersFunctions[] = {"Type  ", "Move  ", "Delete", "Done  ", NULL};
-static const char* MetersKeys[] = {"Space", "Enter", "Del", "Esc"};
-static int MetersEvents[] = {' ', 13, 27, KEY_DC};
-
-static const char* AvailableMetersFunctions[] = {"Add   ", "Done  ", NULL};
-static const char* AvailableMetersKeys[] = {"Enter", "Esc"};
-static int AvailableMetersEvents[] = {13, 27};
-
-static const char* DisplayOptionsFunctions[] = {"      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "Done  ", NULL};
-
-static const char* ColumnsFunctions[] = {"      ", "      ", "      ", "      ", "      ", "      ", "MoveUp", "MoveDn", "Remove", "Done  ", NULL};
-
-static const char* ColorsFunctions[] = {"      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "Done  ", NULL};
-
-static const char* AvailableColumnsFunctions[] = {"      ", "      ", "      ", "      ", "Add   ", "      ", "      ", "      ", "      ", "Done  ", NULL};
+static const char* CategoriesFunctions[] = {"      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "Done  ", NULL};
 
 static void CategoriesPanel_delete(Object* object) {
    Panel* super = (Panel*) object;
@@ -63,26 +49,26 @@ void CategoriesPanel_makeMetersPage(CategoriesPanel* this) {
    leftMeters->rightNeighbor = rightMeters;
    rightMeters->leftNeighbor = leftMeters;
    Panel* availableMeters = (Panel*) AvailableMetersPanel_new(this->settings, this->header, (Panel*) leftMeters, (Panel*) rightMeters, this->scr, this->pl);
-   ScreenManager_add(this->scr, (Panel*) leftMeters, FunctionBar_new(MetersFunctions, MetersKeys, MetersEvents), 20);
-   ScreenManager_add(this->scr, (Panel*) rightMeters, FunctionBar_new(MetersFunctions, MetersKeys, MetersEvents), 20);
-   ScreenManager_add(this->scr, availableMeters, FunctionBar_new(AvailableMetersFunctions, AvailableMetersKeys, AvailableMetersEvents), -1);
+   ScreenManager_add(this->scr, (Panel*) leftMeters, 20);
+   ScreenManager_add(this->scr, (Panel*) rightMeters, 20);
+   ScreenManager_add(this->scr, availableMeters, -1);
 }
 
 static void CategoriesPanel_makeDisplayOptionsPage(CategoriesPanel* this) {
    Panel* displayOptions = (Panel*) DisplayOptionsPanel_new(this->settings, this->scr);
-   ScreenManager_add(this->scr, displayOptions, FunctionBar_new(DisplayOptionsFunctions, NULL, NULL), -1);
+   ScreenManager_add(this->scr, displayOptions, -1);
 }
 
 static void CategoriesPanel_makeColorsPage(CategoriesPanel* this) {
    Panel* colors = (Panel*) ColorsPanel_new(this->settings, this->scr);
-   ScreenManager_add(this->scr, colors, FunctionBar_new(ColorsFunctions, NULL, NULL), -1);
+   ScreenManager_add(this->scr, colors, -1);
 }
 
 static void CategoriesPanel_makeColumnsPage(CategoriesPanel* this) {
    Panel* columns = (Panel*) ColumnsPanel_new(this->settings);
    Panel* availableColumns = (Panel*) AvailableColumnsPanel_new(columns);
-   ScreenManager_add(this->scr, columns, FunctionBar_new(ColumnsFunctions, NULL, NULL), 20);
-   ScreenManager_add(this->scr, availableColumns, FunctionBar_new(AvailableColumnsFunctions, NULL, NULL), -1);
+   ScreenManager_add(this->scr, columns, 20);
+   ScreenManager_add(this->scr, availableColumns, -1);
 }
 
 static HandlerResult CategoriesPanel_eventHandler(Panel* super, int ch) {
@@ -150,7 +136,8 @@ PanelClass CategoriesPanel_class = {
 CategoriesPanel* CategoriesPanel_new(ScreenManager* scr, Settings* settings, Header* header, ProcessList* pl) {
    CategoriesPanel* this = AllocThis(CategoriesPanel);
    Panel* super = (Panel*) this;
-   Panel_init(super, 1, 1, 1, 1, Class(ListItem), true);
+   FunctionBar* fuBar = FunctionBar_new(CategoriesFunctions, NULL, NULL);
+   Panel_init(super, 1, 1, 1, 1, Class(ListItem), true, fuBar);
 
    this->scr = scr;
    this->settings = settings;
diff --git a/ColorsPanel.c b/ColorsPanel.c
index c4255f87..3c643fa6 100644
--- a/ColorsPanel.c
+++ b/ColorsPanel.c
@@ -34,6 +34,8 @@ typedef struct ColorsPanel_ {
 
 }*/
 
+static const char* ColorsFunctions[] = {"      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "Done  ", NULL};
+
 static const char* ColorSchemeNames[] = {
    "Default",
    "Monochromatic",
@@ -94,7 +96,8 @@ PanelClass ColorsPanel_class = {
 ColorsPanel* ColorsPanel_new(Settings* settings, ScreenManager* scr) {
    ColorsPanel* this = AllocThis(ColorsPanel);
    Panel* super = (Panel*) this;
-   Panel_init(super, 1, 1, 1, 1, Class(CheckItem), true);
+   FunctionBar* fuBar = FunctionBar_new(ColorsFunctions, NULL, NULL);
+   Panel_init(super, 1, 1, 1, 1, Class(CheckItem), true, fuBar);
 
    this->settings = settings;
    this->scr = scr;
diff --git a/ColumnsPanel.c b/ColumnsPanel.c
index 45b4de00..b2fa5b5e 100644
--- a/ColumnsPanel.c
+++ b/ColumnsPanel.c
@@ -28,6 +28,8 @@ typedef struct ColumnsPanel_ {
 
 }*/
 
+static const char* ColumnsFunctions[] = {"      ", "      ", "      ", "      ", "      ", "      ", "MoveUp", "MoveDn", "Remove", "Done  ", NULL};
+
 static void ColumnsPanel_delete(Object* object) {
    Panel* super = (Panel*) object;
    ColumnsPanel* this = (ColumnsPanel*) object;
@@ -121,7 +123,8 @@ PanelClass ColumnsPanel_class = {
 ColumnsPanel* ColumnsPanel_new(Settings* settings) {
    ColumnsPanel* this = AllocThis(ColumnsPanel);
    Panel* super = (Panel*) this;
-   Panel_init(super, 1, 1, 1, 1, Class(ListItem), true);
+   FunctionBar* fuBar = FunctionBar_new(ColumnsFunctions, NULL, NULL);
+   Panel_init(super, 1, 1, 1, 1, Class(ListItem), true, fuBar);
 
    this->settings = settings;
    this->moving = false;
diff --git a/DisplayOptionsPanel.c b/DisplayOptionsPanel.c
index 8fa81964..9e119091 100644
--- a/DisplayOptionsPanel.c
+++ b/DisplayOptionsPanel.c
@@ -27,6 +27,8 @@ typedef struct DisplayOptionsPanel_ {
 
 }*/
 
+static const char* DisplayOptionsFunctions[] = {"      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "      ", "Done  ", NULL};
+
 static void DisplayOptionsPanel_delete(Object* object) {
    Panel* super = (Panel*) object;
    DisplayOptionsPanel* this = (DisplayOptionsPanel*) object;
@@ -72,7 +74,8 @@ PanelClass DisplayOptionsPanel_class = {
 DisplayOptionsPanel* DisplayOptionsPanel_new(Settings* settings, ScreenManager* scr) {
    DisplayOptionsPanel* this = AllocThis(DisplayOptionsPanel);
    Panel* super = (Panel*) this;
-   Panel_init(super, 1, 1, 1, 1, Class(CheckItem), true);
+   FunctionBar* fuBar = FunctionBar_new(DisplayOptionsFunctions, NULL, NULL);
+   Panel_init(super, 1, 1, 1, 1, Class(CheckItem), true, fuBar);
 
    this->settings = settings;
    this->scr = scr;
diff --git a/FunctionBar.c b/FunctionBar.c
index 1c6066ae..ffae0106 100644
--- a/FunctionBar.c
+++ b/FunctionBar.c
@@ -6,19 +6,18 @@ in the source distribution for its full text.
 */
 
 #include "FunctionBar.h"
-
 #include "CRT.h"
+#include "RichString.h"
 
 #include <assert.h>
 #include <string.h>
 #include <stdlib.h>
-#include <stdbool.h>
 
 /*{
-#include "Object.h"
+
+#include <stdbool.h>
 
 typedef struct FunctionBar_ {
-   Object super;
    int size;
    char** functions;
    char** keys;
@@ -34,12 +33,8 @@ static const char* FunctionBar_FLabels[] = {"      ", "      ", "      ", "
 
 static int FunctionBar_FEvents[] = {KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10)};
 
-ObjectClass FunctionBar_class = {
-   .delete = FunctionBar_delete
-};
-
 FunctionBar* FunctionBar_new(const char** functions, const char** keys, int* events) {
-   FunctionBar* this = AllocThis(FunctionBar);
+   FunctionBar* this = calloc(1, sizeof(FunctionBar));
    this->functions = calloc(16, sizeof(char*));
    if (!functions) {
       functions = FunctionBar_FLabels;
@@ -67,8 +62,7 @@ FunctionBar* FunctionBar_new(const char** functions, const char** keys, int* eve
    return this;
 }
 
-void FunctionBar_delete(Object* cast) {
-   FunctionBar* this = (FunctionBar*) cast;
+void FunctionBar_delete(FunctionBar* this) {
    for (int i = 0; i < 15 && this->functions[i]; i++) {
       free(this->functions[i]);
    }
diff --git a/FunctionBar.h b/FunctionBar.h
index 68e28f9f..75f432e7 100644
--- a/FunctionBar.h
+++ b/FunctionBar.h
@@ -9,10 +9,10 @@ Released under the GNU GPL, see the COPYING file
 in the source distribution for its full text.
 */
 
-#include "Object.h"
+
+#include <stdbool.h>
 
 typedef struct FunctionBar_ {
-   Object super;
    int size;
    char** functions;
    char** keys;
@@ -21,11 +21,9 @@ typedef struct FunctionBar_ {
 } FunctionBar;
 
 
-extern ObjectClass FunctionBar_class;
-
 FunctionBar* FunctionBar_new(const char** functions, const char** keys, int* events);
 
-void FunctionBar_delete(Object* cast);
+void FunctionBar_delete(FunctionBar* this);
 
 void FunctionBar_setLabel(FunctionBar* this, int event, const char* text);
 
diff --git a/IncSet.c b/IncSet.c
index 40aa9233..d17bb131 100644
--- a/IncSet.c
+++ b/IncSet.c
@@ -73,7 +73,7 @@ static inline void IncMode_initFilter(IncMode* filter) {
 }
 
 static inline void IncMode_done(IncMode* mode) {
-   FunctionBar_delete((Object*)mode->bar);
+   FunctionBar_delete(mode->bar);
 }
 
 IncSet* IncSet_new(FunctionBar* bar) {
@@ -202,10 +202,11 @@ const char* IncSet_getListItemValue(Panel* panel, int i) {
    return "";
 }
 
-void IncSet_activate(IncSet* this, IncType type) {
+void IncSet_activate(IncSet* this, IncType type, FunctionBar** setBar) {
    this->active = &(this->modes[type]);
    this->bar = this->active->bar;
    FunctionBar_draw(this->active->bar, this->active->buffer);
+   setBar = 
 }
 
 void IncSet_drawBar(IncSet* this) {
diff --git a/MainPanel.c b/MainPanel.c
index 2b70bab2..7d7e72db 100644
--- a/MainPanel.c
+++ b/MainPanel.c
@@ -30,13 +30,15 @@ typedef bool(*MainPanel_ForeachProcessFn)(Process*, size_t);
 
 }*/
 
-void MainPanel_updateTreeFunctions(FunctionBar* fuBar, bool mode) {
+static const char* MainFunctions[]  = {"Help  ", "Setup ", "Search", "Filter", "Tree  ", "SortBy", "Nice -", "Nice +", "Kill  ", "Quit  ", NULL};
+
+void MainPanel_updateTreeFunctions(MainPanel* this, bool mode) {
    if (mode) {
-      FunctionBar_setLabel(fuBar, KEY_F(5), "Sorted");
-      FunctionBar_setLabel(fuBar, KEY_F(6), "Collap");
+      FunctionBar_setLabel(this->fuBar, KEY_F(5), "Sorted");
+      FunctionBar_setLabel(this->fuBar, KEY_F(6), "Collap");
    } else {
-      FunctionBar_setLabel(fuBar, KEY_F(5), "Tree  ");
-      FunctionBar_setLabel(fuBar, KEY_F(6), "SortBy");
+      FunctionBar_setLabel(this->fuBar, KEY_F(5), "Tree  ");
+      FunctionBar_setLabel(this->fuBar, KEY_F(6), "SortBy");
    }
 }
 
@@ -98,7 +100,7 @@ static HandlerResult MainPanel_eventHandler(Panel* super, int ch) {
    }
 
    if (reaction & HTOP_REDRAW_BAR) {
-      MainPanel_updateTreeFunctions(this->fuBar, this->state->settings->treeView);
+      MainPanel_updateTreeFunctions(this, this->state->settings->treeView);
       IncSet_drawBar(this->inc);
    }
    if (reaction & HTOP_UPDATE_PANELHDR) {
@@ -165,12 +167,12 @@ PanelClass MainPanel_class = {
    .eventHandler = MainPanel_eventHandler
 };
 
-MainPanel* MainPanel_new(FunctionBar* fuBar) {
+MainPanel* MainPanel_new() {
    MainPanel* this = AllocThis(MainPanel);
-   Panel_init((Panel*) this, 1, 1, 1, 1, Class(Process), false);
+   this->fuBar = FunctionBar_new(MainFunctions, NULL, NULL);
+   Panel_init((Panel*) this, 1, 1, 1, 1, Class(Process), false, this->fuBar);
    this->keys = calloc(KEY_MAX, sizeof(Htop_Action));
-   this->fuBar = fuBar;
-   this->inc = IncSet_new(fuBar);
+   this->inc = IncSet_new(this->fuBar);
 
    Action_setBindings(this->keys);
    Platform_setBindings(this->keys);
diff --git a/MainPanel.h b/MainPanel.h
index 3ff41097..5e2ca989 100644
--- a/MainPanel.h
+++ b/MainPanel.h
@@ -25,7 +25,7 @@ typedef struct MainPanel_ {
 typedef bool(*MainPanel_ForeachProcessFn)(Process*, size_t);
 
 
-void MainPanel_updateTreeFunctions(FunctionBar* fuBar, bool mode);
+void MainPanel_updateTreeFunctions(MainPanel* this, bool mode);
 
 void MainPanel_pidSearch(MainPanel* this, int ch);
 
@@ -37,7 +37,7 @@ bool MainPanel_foreachProcess(MainPanel* this, MainPanel_ForeachProcessFn fn, in
 
 extern PanelClass MainPanel_class;
 
-MainPanel* MainPanel_new(FunctionBar* fuBar);
+MainPanel* MainPanel_new();
 
 void MainPanel_setState(MainPanel* this, State* state);
 
diff --git a/MetersPanel.c b/MetersPanel.c
index a4fe7c44..4050dc9e 100644
--- a/MetersPanel.c
+++ b/MetersPanel.c
@@ -30,6 +30,10 @@ struct MetersPanel_ {
 
 }*/
 
+static const char* MetersFunctions[] = {"Type  ", "Move  ", "Delete", "Done  ", NULL};
+static const char* MetersKeys[] = {"Space", "Enter", "Del", "Esc"};
+static int MetersEvents[] = {' ', 13, 27, KEY_DC};
+
 static void MetersPanel_delete(Object* object) {
    Panel* super = (Panel*) object;
    MetersPanel* this = (MetersPanel*) object;
@@ -172,7 +176,8 @@ PanelClass MetersPanel_class = {
 MetersPanel* MetersPanel_new(Settings* settings, const char* header, Vector* meters, ScreenManager* scr) {
    MetersPanel* this = AllocThis(MetersPanel);
    Panel* super = (Panel*) this;
-   Panel_init(super, 1, 1, 1, 1, Class(ListItem), true);
+   FunctionBar* fuBar = FunctionBar_new(MetersFunctions, MetersKeys, MetersEvents);
+   Panel_init(super, 1, 1, 1, 1, Class(ListItem), true, fuBar);
 
    this->settings = settings;
    this->meters = meters;
diff --git a/OpenFilesScreen.c b/OpenFilesScreen.c
index 7dfc32a9..168c6c14 100644
--- a/OpenFilesScreen.c
+++ b/OpenFilesScreen.c
@@ -12,6 +12,7 @@ in the source distribution for its full text.
 #include "ListItem.h"
 #include "IncSet.h"
 #include "String.h"
+#include "FunctionBar.h"
 
 #include <string.h>
 #include <stdio.h>
@@ -26,7 +27,6 @@ in the source distribution for its full text.
 /*{
 #include "Process.h"
 #include "Panel.h"
-#include "FunctionBar.h"
 
 typedef struct OpenFiles_Data_ {
    char* data[256];
@@ -47,21 +47,21 @@ typedef struct OpenFilesScreen_ {
    Process* process;
    pid_t pid;
    Panel* display;
-   FunctionBar* bar;
 } OpenFilesScreen;
 
 }*/
 
-static const char* ofsFunctions[] = {"Search ", "Filter ", "Refresh", "Done   ", NULL};
+static const char* OpenFilesScreenFunctions[] = {"Search ", "Filter ", "Refresh", "Done   ", NULL};
 
-static const char* ofsKeys[] = {"F3", "F4", "F5", "Esc"};
+static const char* OpenFilesScreenKeys[] = {"F3", "F4", "F5", "Esc"};
 
-static int ofsEvents[] = {KEY_F(3), KEY_F(4), KEY_F(5), 27};
+static int OpenFilesScreenEvents[] = {KEY_F(3), KEY_F(4), KEY_F(5), 27};
 
 OpenFilesScreen* OpenFilesScreen_new(Process* process) {
    OpenFilesScreen* this = (OpenFilesScreen*) malloc(sizeof(OpenFilesScreen));
    this->process = process;
-   this->display = Panel_new(0, 1, COLS, LINES-3, false, Class(ListItem));
+   FunctionBar* bar = FunctionBar_new(OpenFilesScreenFunctions, OpenFilesScreenKeys, OpenFilesScreenEvents);
+   this->display = Panel_new(0, 1, COLS, LINES-3, false, Class(ListItem), bar);
    if (Process_isThread(process))
       this->pid = process->tgid;
    else
@@ -173,7 +173,7 @@ void OpenFilesScreen_run(OpenFilesScreen* this) {
    Panel* panel = this->display;
    Panel_setHeader(panel, "   FD TYPE     DEVICE       SIZE       NODE NAME");
 
-   FunctionBar* bar = FunctionBar_new(ofsFunctions, ofsKeys, ofsEvents);
+   FunctionBar* bar = panel->defaultBar;
    IncSet* inc = IncSet_new(bar);
    
    Vector* lines = Vector_new(panel->items->type, true, DEFAULT_SIZE);
@@ -241,6 +241,5 @@ void OpenFilesScreen_run(OpenFilesScreen* this) {
    }
 
    Vector_delete(lines);
-   FunctionBar_delete((Object*)bar);
    IncSet_delete(inc);
 }
diff --git a/OpenFilesScreen.h b/OpenFilesScreen.h
index b3cdd975..68e33363 100644
--- a/OpenFilesScreen.h
+++ b/OpenFilesScreen.h
@@ -11,7 +11,6 @@ in the source distribution for its full text.
 
 #include "Process.h"
 #include "Panel.h"
-#include "FunctionBar.h"
 
 typedef struct OpenFiles_Data_ {
    char* data[256];
@@ -32,7 +31,6 @@ typedef struct OpenFilesScreen_ {
    Process* process;
    pid_t pid;
    Panel* display;
-   FunctionBar* bar;
 } OpenFilesScreen;
 
 
diff --git a/Panel.c b/Panel.c
index 1772057c..3c24b61d 100644
--- a/Panel.c
+++ b/Panel.c
@@ -24,6 +24,7 @@ in the source distribution for its full text.
 /*{
 #include "Object.h"
 #include "Vector.h"
+#include "FunctionBar.h"
 
 typedef struct Panel_ Panel;
 
@@ -61,6 +62,8 @@ struct Panel_ {
    int scrollV;
    short scrollH;
    bool needsRedraw;
+   FunctionBar* currentBar;
+   FunctionBar* defaultBar;
    RichString header;
 };
 
@@ -86,11 +89,11 @@ PanelClass Panel_class = {
    .eventHandler = Panel_selectByTyping
 };
 
-Panel* Panel_new(int x, int y, int w, int h, bool owner, ObjectClass* type) {
+Panel* Panel_new(int x, int y, int w, int h, bool owner, ObjectClass* type, FunctionBar* fuBar) {
    Panel* this;
    this = malloc(sizeof(Panel));
    Object_setClass(this, Class(Panel));
-   Panel_init(this, x, y, w, h, type, owner);
+   Panel_init(this, x, y, w, h, type, owner, fuBar);
    return this;
 }
 
@@ -100,7 +103,7 @@ void Panel_delete(Object* cast) {
    free(this);
 }
 
-void Panel_init(Panel* this, int x, int y, int w, int h, ObjectClass* type, bool owner) {
+void Panel_init(Panel* this, int x, int y, int w, int h, ObjectClass* type, bool owner, FunctionBar* fuBar) {
    this->x = x;
    this->y = y;
    this->w = w;
@@ -113,12 +116,15 @@ void Panel_init(Panel* this, int x, int y, int w, int h, ObjectClass* type, bool
    this->oldSelected = 0;
    this->needsRedraw = true;
    RichString_beginAllocated(this->header);
+   this->defaultBar = fuBar;
+   this->currentBar = fuBar;
 }
 
 void Panel_done(Panel* this) {
    assert (this != NULL);
    free(this->eventHandlerState);
    Vector_delete(this->items);
+   FunctionBar_delete(this->defaultBar);
    RichString_end(this->header);
 }
 
diff --git a/Panel.h b/Panel.h
index e1793190..ac3065d9 100644
--- a/Panel.h
+++ b/Panel.h
@@ -13,6 +13,7 @@ in the source distribution for its full text.
 
 #include "Object.h"
 #include "Vector.h"
+#include "FunctionBar.h"
 
 typedef struct Panel_ Panel;
 
@@ -50,6 +51,8 @@ struct Panel_ {
    int scrollV;
    short scrollH;
    bool needsRedraw;
+   FunctionBar* currentBar;
+   FunctionBar* defaultBar;
    RichString header;
 };
 
@@ -68,11 +71,11 @@ struct Panel_ {
 
 extern PanelClass Panel_class;
 
-Panel* Panel_new(int x, int y, int w, int h, bool owner, ObjectClass* type);
+Panel* Panel_new(int x, int y, int w, int h, bool owner, ObjectClass* type, FunctionBar* fuBar);
 
 void Panel_delete(Object* cast);
 
-void Panel_init(Panel* this, int x, int y, int w, int h, ObjectClass* type, bool owner);
+void Panel_init(Panel* this, int x, int y, int w, int h, ObjectClass* type, bool owner, FunctionBar* fuBar);
 
 void Panel_done(Panel* this);
 
diff --git a/ScreenManager.c b/ScreenManager.c
index 2d55af07..de462ac0 100644
--- a/ScreenManager.c
+++ b/ScreenManager.c
@@ -34,9 +34,7 @@ typedef struct ScreenManager_ {
    int y2;
    Orientation orientation;
    Vector* panels;
-   Vector* fuBars;
    int panelCount;
-   const FunctionBar* fuBar;
    const Header* header;
    const Settings* settings;
    bool owner;
@@ -52,10 +50,8 @@ ScreenManager* ScreenManager_new(int x1, int y1, int x2, int y2, Orientation ori
    this->y1 = y1;
    this->x2 = x2;
    this->y2 = y2;
-   this->fuBar = NULL;
    this->orientation = orientation;
    this->panels = Vector_new(Class(Panel), owner, DEFAULT_SIZE);
-   this->fuBars = Vector_new(Class(FunctionBar), true, DEFAULT_SIZE);
    this->panelCount = 0;
    this->header = header;
    this->settings = settings;
@@ -66,7 +62,6 @@ ScreenManager* ScreenManager_new(int x1, int y1, int x2, int y2, Orientation ori
 
 void ScreenManager_delete(ScreenManager* this) {
    Vector_delete(this->panels);
-   Vector_delete(this->fuBars);
    free(this);
 }
 
@@ -74,7 +69,7 @@ inline int ScreenManager_size(ScreenManager* this) {
    return this->panelCount;
 }
 
-void ScreenManager_add(ScreenManager* this, Panel* item, FunctionBar* fuBar, int size) {
+void ScreenManager_add(ScreenManager* this, Panel* item, int size) {
    if (this->orientation == HORIZONTAL) {
       int lastX = 0;
       if (this->panelCount > 0) {
@@ -91,11 +86,6 @@ void ScreenManager_add(ScreenManager* this, Panel* item, FunctionBar* fuBar, int
    }
    // TODO: VERTICAL
    Vector_add(this->panels, item);
-   if (fuBar)
-      Vector_add(this->fuBars, fuBar);
-   else
-      Vector_add(this->fuBars, FunctionBar_new(NULL, NULL, NULL));
-   if (!this->fuBar && fuBar) this->fuBar = fuBar;
    item->needsRedraw = true;
    this->panelCount++;
 }
@@ -103,8 +93,6 @@ void ScreenManager_add(ScreenManager* this, Panel* item, FunctionBar* fuBar, int
 Panel* ScreenManager_remove(ScreenManager* this, int idx) {
    assert(this->panelCount > idx);
    Panel* panel = (Panel*) Vector_remove(this->panels, idx);
-   Vector_remove(this->fuBars, idx);
-   this->fuBar = NULL;
    this->panelCount--;
    return panel;
 }
@@ -173,8 +161,6 @@ void ScreenManager_run(ScreenManager* this, Panel** lastFocus, int* lastKey) {
    int focus = 0;
    
    Panel* panelFocus = (Panel*) Vector_get(this->panels, focus);
-   if (this->fuBar)
-      FunctionBar_draw(this->fuBar, NULL);
 
    double oldTime = 0.0;
 
@@ -194,11 +180,7 @@ void ScreenManager_run(ScreenManager* this, Panel** lastFocus, int* lastKey) {
       
       if (redraw) {
          ScreenManager_drawPanels(this, focus);
-         FunctionBar* bar = (FunctionBar*) Vector_get(this->fuBars, focus);
-         if (bar)
-            this->fuBar = bar;
-         if (this->fuBar)
-            FunctionBar_draw(this->fuBar, NULL);
+         FunctionBar_draw(panelFocus->currentBar, NULL);
       }
 
       int prevCh = ch;
@@ -209,7 +191,7 @@ void ScreenManager_run(ScreenManager* this, Panel** lastFocus, int* lastKey) {
          int ok = getmouse(&mevent);
          if (ok == OK) {
             if (mevent.y == LINES - 1) {
-               ch = FunctionBar_synthesizeEvent(this->fuBar, mevent.x);
+               ch = FunctionBar_synthesizeEvent(panelFocus->currentBar, mevent.x);
             } else {
                for (int i = 0; i < this->panelCount; i++) {
                   Panel* panel = (Panel*) Vector_get(this->panels, i);
diff --git a/ScreenManager.h b/ScreenManager.h
index 8d364ab5..3d02a883 100644
--- a/ScreenManager.h
+++ b/ScreenManager.h
@@ -27,9 +27,7 @@ typedef struct ScreenManager_ {
    int y2;
    Orientation orientation;
    Vector* panels;
-   Vector* fuBars;
    int panelCount;
-   const FunctionBar* fuBar;
    const Header* header;
    const Settings* settings;
    bool owner;
@@ -43,7 +41,7 @@ void ScreenManager_delete(ScreenManager* this);
 
 extern int ScreenManager_size(ScreenManager* this);
 
-void ScreenManager_add(ScreenManager* this, Panel* item, FunctionBar* fuBar, int size);
+void ScreenManager_add(ScreenManager* this, Panel* item, int size);
 
 Panel* ScreenManager_remove(ScreenManager* this, int idx);
 
diff --git a/SignalsPanel.c b/SignalsPanel.c
index a52e5289..9e37252e 100644
--- a/SignalsPanel.c
+++ b/SignalsPanel.c
@@ -62,8 +62,12 @@ static SignalItem signals[] = {
    { .name = "31 SIGSYS",    .number = 31 },
 };
 
+static const char* SignalsFunctions[] = {"Send  ", "Cancel ", NULL};
+static const char* SignalsKeys[] = {"Enter", "Esc", NULL};
+static int SignalsEvents[] = {13, 27};
+
 Panel* SignalsPanel_new() {
-   Panel* this = Panel_new(1, 1, 1, 1, true, Class(ListItem));
+   Panel* this = Panel_new(1, 1, 1, 1, true, Class(ListItem), FunctionBar_new(SignalsFunctions, SignalsKeys, SignalsEvents));
    for(unsigned int i = 0; i < sizeof(signals)/sizeof(SignalItem); i++)
       Panel_set(this, i, (Object*) ListItem_new(signals[i].name, signals[i].number));
    Panel_setHeader(this, "Send signal:");
diff --git a/TraceScreen.c b/TraceScreen.c
index 5823022f..48274bda 100644
--- a/TraceScreen.c
+++ b/TraceScreen.c
@@ -12,6 +12,7 @@ in the source distribution for its full text.
 #include "ListItem.h"
 #include "IncSet.h"
 #include "String.h"
+#include "FunctionBar.h"
 
 #include <stdio.h>
 #include <unistd.h>
@@ -27,7 +28,6 @@ in the source distribution for its full text.
 /*{
 #include "Process.h"
 #include "Panel.h"
-#include "FunctionBar.h"
 
 typedef struct TraceScreen_ {
    Process* process;
@@ -37,16 +37,17 @@ typedef struct TraceScreen_ {
 
 }*/
 
-static const char* tsFunctions[] = {"Search ", "Filter ", "AutoScroll ", "Stop Tracing   ", "Done   ", NULL};
+static const char* TraceScreenFunctions[] = {"Search ", "Filter ", "AutoScroll ", "Stop Tracing   ", "Done   ", NULL};
 
-static const char* tsKeys[] = {"F3", "F4", "F8", "F9", "Esc"};
+static const char* TraceScreenKeys[] = {"F3", "F4", "F8", "F9", "Esc"};
 
-static int tsEvents[] = {KEY_F(3), KEY_F(4), KEY_F(8), KEY_F(9), 27};
+static int TraceScreenEvents[] = {KEY_F(3), KEY_F(4), KEY_F(8), KEY_F(9), 27};
 
 TraceScreen* TraceScreen_new(Process* process) {
    TraceScreen* this = (TraceScreen*) malloc(sizeof(TraceScreen));
    this->process = process;
-   this->display = Panel_new(0, 1, COLS, LINES-2, false, Class(ListItem));
+   FunctionBar* fuBar = FunctionBar_new(TraceScreenFunctions, TraceScreenKeys, TraceScreenEvents);
+   this->display = Panel_new(0, 1, COLS, LINES-2, false, Class(ListItem), fuBar);
    this->tracing = true;
    return this;
 }
@@ -105,7 +106,7 @@ void TraceScreen_run(TraceScreen* this) {
    bool follow = false;
    bool looping = true;
 
-   FunctionBar* bar = FunctionBar_new(tsFunctions, tsKeys, tsEvents);
+   FunctionBar* bar = panel->defaultBar;
    IncSet* inc = IncSet_new(bar);
 
    Vector* lines = Vector_new(panel->items->type, true, DEFAULT_SIZE);
@@ -219,7 +220,6 @@ void TraceScreen_run(TraceScreen* this) {
    }
    
    IncSet_delete(inc);
-   FunctionBar_delete((Object*)bar);
    Vector_delete(lines);
    
    kill(child, SIGTERM);
diff --git a/TraceScreen.h b/TraceScreen.h
index 03d18567..bb5ad4cf 100644
--- a/TraceScreen.h
+++ b/TraceScreen.h
@@ -11,7 +11,6 @@ in the source distribution for its full text.
 
 #include "Process.h"
 #include "Panel.h"
-#include "FunctionBar.h"
 
 typedef struct TraceScreen_ {
    Process* process;
diff --git a/htop.c b/htop.c
index 026e04b6..6b1584e2 100644
--- a/htop.c
+++ b/htop.c
@@ -34,8 +34,6 @@ static void printVersionFlag() {
          stdout);
    exit(0);
 }
-
-static const char* defaultFunctions[]  = {"Help  ", "Setup ", "Search", "Filter", "Tree  ", "SortBy", "Nice -", "Nice +", "Kill  ", "Quit  ", NULL};
  
 static void printHelpFlag() {
    fputs("htop " VERSION " - " COPYRIGHT "\n"
@@ -218,13 +216,11 @@ int main(int argc, char** argv) {
       settings->colorScheme = COLORSCHEME_MONOCHROME;
 
    CRT_init(settings->delay, settings->colorScheme);
-
-   FunctionBar* defaultBar = FunctionBar_new(defaultFunctions, NULL, NULL);
    
-   MainPanel* panel = MainPanel_new(defaultBar);
+   MainPanel* panel = MainPanel_new();
    ProcessList_setPanel(pl, (Panel*) panel);
 
-   MainPanel_updateTreeFunctions(defaultBar, settings->treeView);
+   MainPanel_updateTreeFunctions(panel, settings->treeView);
       
    if (flags.sortKey > 0) {
       settings->sortKey = flags.sortKey;
@@ -243,7 +239,7 @@ int main(int argc, char** argv) {
    MainPanel_setState(panel, &state);
    
    ScreenManager* scr = ScreenManager_new(0, header->height, 0, -1, HORIZONTAL, header, settings, true);
-   ScreenManager_add(scr, (Panel*) panel, defaultBar, -1);
+   ScreenManager_add(scr, (Panel*) panel, -1);
 
    ProcessList_scan(pl);
    millisleep(75);
diff --git a/linux/IOPriorityPanel.c b/linux/IOPriorityPanel.c
index e42259fb..c9391893 100644
--- a/linux/IOPriorityPanel.c
+++ b/linux/IOPriorityPanel.c
@@ -13,8 +13,13 @@ in the source distribution for its full text.
 #include "ListItem.h"
 }*/
 
+static const char* IOPriorityFunctions[] = {"Set    ", "Cancel ", NULL};
+static const char* IOPriorityKeys[] = {"Enter", "Esc", NULL};
+static int IOPriorityEvents[] = {13, 27};
+
 Panel* IOPriorityPanel_new(IOPriority currPrio) {
-   Panel* this = Panel_new(1, 1, 1, 1, true, Class(ListItem));
+   FunctionBar* fuBar = FunctionBar_new(IOPriorityFunctions, IOPriorityKeys, IOPriorityEvents);
+   Panel* this = Panel_new(1, 1, 1, 1, true, Class(ListItem), fuBar);
 
    Panel_setHeader(this, "IO Priority:");
    Panel_add(this, (Object*) ListItem_new("None (based on nice)", IOPriority_None));
diff --git a/linux/Platform.c b/linux/Platform.c
index 14eb11ff..f14c38c7 100644
--- a/linux/Platform.c
+++ b/linux/Platform.c
@@ -46,8 +46,7 @@ static Htop_Reaction Platform_actionSetIOPriority(State* st) {
    if (!p) return HTOP_OK;
    IOPriority ioprio = p->ioPriority;
    Panel* ioprioPanel = IOPriorityPanel_new(ioprio);
-   const char* fuFunctions[] = {"Set    ", "Cancel ", NULL};
-   void* set = Action_pickFromVector(st, ioprioPanel, 21, fuFunctions);
+   void* set = Action_pickFromVector(st, ioprioPanel, 21);
    if (set) {
       IOPriority ioprio = IOPriorityPanel_getIOPriority(ioprioPanel);
       bool ok = MainPanel_foreachProcess((MainPanel*)panel, (MainPanel_ForeachProcessFn) LinuxProcess_setIOPriority, (size_t) ioprio, NULL);