diff options
Diffstat (limited to 'AvailableColumnsPanel.c')
-rw-r--r-- | AvailableColumnsPanel.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/AvailableColumnsPanel.c b/AvailableColumnsPanel.c new file mode 100644 index 0000000..b8c09c7 --- /dev/null +++ b/AvailableColumnsPanel.c @@ -0,0 +1,122 @@ +/* +htop - AvailableColumnsPanel.c +(C) 2004-2011 Hisham H. Muhammad +Released under the GNU GPLv2+, see the COPYING file +in the source distribution for its full text. +*/ + +#include "AvailableColumnsPanel.h" + +#include <assert.h> +#include <ctype.h> +#include <stdbool.h> +#include <stdlib.h> + +#include "ColumnsPanel.h" +#include "DynamicColumn.h" +#include "FunctionBar.h" +#include "Hashtable.h" +#include "ListItem.h" +#include "Object.h" +#include "Process.h" +#include "ProvideCurses.h" +#include "XUtils.h" + + +static const char* const AvailableColumnsFunctions[] = {" ", " ", " ", " ", "Add ", " ", " ", " ", " ", "Done ", NULL}; + +static void AvailableColumnsPanel_delete(Object* object) { + Panel* super = (Panel*) object; + AvailableColumnsPanel* this = (AvailableColumnsPanel*) object; + Panel_done(super); + free(this); +} + +static void AvailableColumnsPanel_insert(AvailableColumnsPanel* this, int at, int key) { + const char* name; + if (key >= LAST_PROCESSFIELD) + name = DynamicColumn_init(key); + else + name = Process_fields[key].name; + Panel_insert(this->columns, at, (Object*) ListItem_new(name, key)); +} + +static HandlerResult AvailableColumnsPanel_eventHandler(Panel* super, int ch) { + AvailableColumnsPanel* this = (AvailableColumnsPanel*) super; + HandlerResult result = IGNORED; + + switch (ch) { + case 13: + case KEY_ENTER: + case KEY_F(5): + { + const ListItem* selected = (ListItem*) Panel_getSelected(super); + if (!selected) + break; + + int at = Panel_getSelectedIndex(this->columns); + AvailableColumnsPanel_insert(this, at, selected->key); + Panel_setSelected(this->columns, at + 1); + ColumnsPanel_update(this->columns); + result = HANDLED; + break; + } + default: + { + if (0 < ch && ch < 255 && isgraph((unsigned char)ch)) + result = Panel_selectByTyping(super, ch); + break; + } + } + return result; +} + +const PanelClass AvailableColumnsPanel_class = { + .super = { + .extends = Class(Panel), + .delete = AvailableColumnsPanel_delete + }, + .eventHandler = AvailableColumnsPanel_eventHandler +}; + +static void AvailableColumnsPanel_addDynamicColumn(ht_key_t key, void* value, void* data) { + const DynamicColumn* column = (const DynamicColumn*) value; + Panel* super = (Panel*) data; + const char* title = column->caption ? column->caption : column->heading; + if (!title) + title = column->name; // fallback to the only mandatory field + char description[256]; + xSnprintf(description, sizeof(description), "%s - %s", title, column->description); + Panel_add(super, (Object*) ListItem_new(description, key)); +} + +// Handle DynamicColumns entries in the AvailableColumnsPanel +static void AvailableColumnsPanel_addDynamicColumns(Panel* super, Hashtable* dynamicColumns) { + assert(dynamicColumns); + Hashtable_foreach(dynamicColumns, AvailableColumnsPanel_addDynamicColumn, super); +} + +// Handle remaining Platform Meter entries in the AvailableColumnsPanel +static void AvailableColumnsPanel_addPlatformColumn(Panel* super) { + for (int i = 1; i < LAST_PROCESSFIELD; i++) { + if (i != COMM && Process_fields[i].description) { + char description[256]; + xSnprintf(description, sizeof(description), "%s - %s", Process_fields[i].name, Process_fields[i].description); + Panel_add(super, (Object*) ListItem_new(description, i)); + } + } +} + +AvailableColumnsPanel* AvailableColumnsPanel_new(Panel* columns, Hashtable* dynamicColumns) { + AvailableColumnsPanel* this = AllocThis(AvailableColumnsPanel); + Panel* super = (Panel*) this; + FunctionBar* fuBar = FunctionBar_new(AvailableColumnsFunctions, NULL, NULL); + Panel_init(super, 1, 1, 1, 1, Class(ListItem), true, fuBar); + + Panel_setHeader(super, "Available Columns"); + AvailableColumnsPanel_addPlatformColumn(super); + AvailableColumnsPanel_addDynamicColumns(super, dynamicColumns); + + this->columns = columns; + return this; +} |