Add MainPanel.c

MainPanel.c

@@ -0,0 +1,183 @@
+/*
+htop - ColumnsPanel.c
+(C) 2004-2015 Hisham H. Muhammad
+Released under the GNU GPL, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "MainPanel.h"
+#include "Process.h"
+#include "Platform.h"
+#include "CRT.h"
+
+#include <stdlib.h>
+
+/*{
+#include "Panel.h"
+#include "Action.h"
+#include "Settings.h"
+
+typedef struct MainPanel_ {
+   Panel super;
+   State* state;
+   FunctionBar* fuBar;
+   Htop_Action *keys;
+   pid_t pidSearch;
+} MainPanel;
+
+typedef bool(*MainPanel_ForeachProcessFn)(Process*, size_t);
+
+}*/
+
+void MainPanel_updateTreeFunctions(FunctionBar* fuBar, bool mode) {
+   if (mode) {
+      FunctionBar_setLabel(fuBar, KEY_F(5), "Sorted");
+      FunctionBar_setLabel(fuBar, KEY_F(6), "Collap");
+   } else {
+      FunctionBar_setLabel(fuBar, KEY_F(5), "Tree  ");
+      FunctionBar_setLabel(fuBar, KEY_F(6), "SortBy");
+   }
+}
+
+void MainPanel_pidSearch(MainPanel* this, int ch) {
+   Panel* super = (Panel*) this;
+   pid_t pid = ch-48 + this->pidSearch;
+   for (int i = 0; i < Panel_size(super); i++) {
+      Process* p = (Process*) Panel_get(super, i);
+      if (p && p->pid == pid) {
+         Panel_setSelected(super, i);
+         break;
+      }
+   }
+   this->pidSearch = pid * 10;
+   if (this->pidSearch > 10000000) {
+      this->pidSearch = 0;
+   }
+}
+
+static HandlerResult MainPanel_eventHandler(Panel* super, int ch) {
+   MainPanel* this = (MainPanel*) super;
+
+   HandlerResult result = IGNORED;
+   
+   Htop_Reaction reaction = HTOP_OK;
+
+   if (ch == 27) {
+      return HANDLED;
+   }
+   if(ch != ERR && this->keys[ch]) {
+      reaction |= (this->keys[ch])(this->state);
+      result = HANDLED;
+   } else if (isdigit(ch)) {
+      MainPanel_pidSearch(this, ch);
+   } else {
+      if (ch != ERR) {
+         this->pidSearch = 0;
+      }
+      switch (ch) {
+      case KEY_LEFT:
+      case KEY_CTRLB:
+         if (super->scrollH > 0) {
+            super->scrollH -= CRT_scrollHAmount;
+            super->needsRedraw = true;
+         }
+         return HANDLED;
+      case KEY_RIGHT:
+      case KEY_CTRLF:
+         super->scrollH += CRT_scrollHAmount;
+         super->needsRedraw = true;
+         return HANDLED;
+      }
+   }
+
+   if (reaction & HTOP_REDRAW_BAR) {
+      MainPanel_updateTreeFunctions(this->fuBar, this->state->settings->treeView);
+      IncSet_drawBar(this->state->inc);
+   }
+   if (reaction & HTOP_UPDATE_PANELHDR) {
+      ProcessList_printHeader(this->state->pl, Panel_getHeader(super));
+   }
+   if (reaction & HTOP_REFRESH) {
+      result |= REFRESH;
+   }      
+   if (reaction & HTOP_RECALCULATE) {
+      result |= RECALCULATE;
+   }
+   if (reaction & HTOP_SAVE_SETTINGS) {
+      this->state->settings->changed = true;
+   }
+   if (reaction & HTOP_QUIT) {
+      return BREAK_LOOP;
+   }
+   if (!(reaction & HTOP_KEEP_FOLLOWING)) {
+      this->state->pl->following = -1;
+   }
+   return result;
+}
+
+int MainPanel_selectedPid(MainPanel* this) {
+   Process* p = (Process*) Panel_getSelected((Panel*)this);
+   if (p) {
+      return p->pid;
+   }
+   return -1;
+}
+
+const char* MainPanel_getValue(MainPanel* this, int i) {
+   Process* p = (Process*) Panel_get((Panel*)this, i);
+   if (p)
+      return p->comm;
+   return "";
+}
+
+bool MainPanel_foreachProcess(MainPanel* this, MainPanel_ForeachProcessFn fn, int arg, bool* wasAnyTagged) {
+   Panel* super = (Panel*) this;
+   bool ok = true;
+   bool anyTagged = false;
+   for (int i = 0; i < Panel_size(super); i++) {
+      Process* p = (Process*) Panel_get(super, i);
+      if (p->tag) {
+         ok = fn(p, arg) && ok;
+         anyTagged = true;
+      }
+   }
+   if (!anyTagged) {
+      Process* p = (Process*) Panel_getSelected(super);
+      if (p) ok = fn(p, arg) && ok;
+   }
+   if (wasAnyTagged)
+      *wasAnyTagged = anyTagged;
+   return ok;
+}
+
+PanelClass MainPanel_class = {
+   .super = {
+      .extends = Class(Panel),
+      .delete = MainPanel_delete
+   },
+   .eventHandler = MainPanel_eventHandler
+};
+
+MainPanel* MainPanel_new(FunctionBar* fuBar) {
+   MainPanel* this = AllocThis(MainPanel);
+   Panel_init((Panel*) this, 1, 1, 1, 1, Class(Process), false);
+   this->keys = calloc(KEY_MAX, sizeof(Htop_Action));
+   this->fuBar = fuBar;
+
+   Action_setBindings(this->keys);
+   Platform_setBindings(this->keys);
+
+   return this;
+}
+
+void MainPanel_setState(MainPanel* this, State* state) {
+   this->state = state;
+}
+
+void MainPanel_delete(Object* object) {
+   Panel* super = (Panel*) object;
+   MainPanel* this = (MainPanel*) object;
+   Panel_done(super);
+   free(this->keys);
+   free(this);
+}