Adding upstream version 3.3.0.upstream/3.3.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 181 insertions, 0 deletions

diff --git a/Row.h b/Row.h
new file mode 100644
index 0000000..f67c610
--- /dev/null
+++ b/Row.h
@@ -0,0 +1,181 @@
+#ifndef HEADER_Row
+#define HEADER_Row
+/*
+htop - Row.h
+(C) 2004-2015 Hisham H. Muhammad
+(C) 2023 htop dev team
+Released under the GNU GPLv2+, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include "Object.h"
+#include "RichString.h"
+#include "RowField.h"
+
+
+extern uint8_t Row_fieldWidths[LAST_RESERVED_FIELD];
+#define ROW_MIN_PID_DIGITS 5
+#define ROW_MAX_PID_DIGITS 19
+#define ROW_MIN_UID_DIGITS 5
+#define ROW_MAX_UID_DIGITS 20
+extern int Row_pidDigits;
+extern int Row_uidDigits;
+
+struct Machine_;     // IWYU pragma: keep
+struct Settings_;    // IWYU pragma: keep
+struct Table_;       // IWYU pragma: keep
+
+/* Class representing entities (such as processes) that can be
+ * represented in a tabular form in the lower half of the htop
+ * display. */
+
+typedef struct Row_ {
+   /* Super object for emulated OOP */
+   Object super;
+
+   /* Pointer to quasi-global data */
+   const struct Machine_* host;
+
+   int id;
+   int group;
+   int parent;
+
+   /* Has no known parent */
+   bool isRoot;
+
+   /* Whether the row was tagged by the user */
+   bool tag;
+
+   /* Whether to display this row */
+   bool show;
+
+   /* Whether this row was shown last cycle */
+   bool wasShown;
+
+   /* Whether to show children of this row in tree-mode */
+   bool showChildren;
+
+   /* Whether the row was updated during the last scan */
+   bool updated;
+
+   /*
+    * Internal state for tree-mode.
+    */
+   int32_t indent;
+   unsigned int tree_depth;
+
+   /*
+    * Internal time counts for showing new and exited processes.
+    */
+   uint64_t seenStampMs;
+   uint64_t tombStampMs;
+} Row;
+
+typedef Row* (*Row_New)(const struct Machine_*);
+typedef void (*Row_WriteField)(const Row*, RichString*, RowField);
+typedef bool (*Row_IsHighlighted)(const Row*);
+typedef bool (*Row_IsVisible)(const Row*, const struct Table_*);
+typedef bool (*Row_MatchesFilter)(const Row*, const struct Table_*);
+typedef const char* (*Row_SortKeyString)(Row*);
+typedef int (*Row_CompareByParent)(const Row*, const Row*);
+
+int Row_compare(const void* v1, const void* v2);
+
+typedef struct RowClass_ {
+   const ObjectClass super;
+   const Row_IsHighlighted isHighlighted;
+   const Row_IsVisible isVisible;
+   const Row_WriteField writeField;
+   const Row_MatchesFilter matchesFilter;
+   const Row_SortKeyString sortKeyString;
+   const Row_CompareByParent compareByParent;
+} RowClass;
+
+#define As_Row(this_)  ((const RowClass*)((this_)->super.klass))
+
+#define Row_isHighlighted(r_)  (As_Row(r_)->isHighlighted ? (As_Row(r_)->isHighlighted(r_)) : false)
+#define Row_isVisible(r_, t_)  (As_Row(r_)->isVisible ? (As_Row(r_)->isVisible(r_, t_)) : true)
+#define Row_matchesFilter(r_, t_)  (As_Row(r_)->matchesFilter ? (As_Row(r_)->matchesFilter(r_, t_)) : false)
+#define Row_sortKeyString(r_)  (As_Row(r_)->sortKeyString ? (As_Row(r_)->sortKeyString(r_)) : "")
+#define Row_compareByParent(r1_, r2_)  (As_Row(r1_)->compareByParent ? (As_Row(r1_)->compareByParent(r1_, r2_)) : Row_compareByParent_Base(r1_, r2_))
+
+#define ONE_K 1024UL
+#define ONE_M (ONE_K * ONE_K)
+#define ONE_G (ONE_M * ONE_K)
+#define ONE_T (1ULL * ONE_G * ONE_K)
+#define ONE_P (1ULL * ONE_T * ONE_K)
+
+#define ONE_DECIMAL_K 1000UL
+#define ONE_DECIMAL_M (ONE_DECIMAL_K * ONE_DECIMAL_K)
+#define ONE_DECIMAL_G (ONE_DECIMAL_M * ONE_DECIMAL_K)
+#define ONE_DECIMAL_T (1ULL * ONE_DECIMAL_G * ONE_DECIMAL_K)
+#define ONE_DECIMAL_P (1ULL * ONE_DECIMAL_T * ONE_DECIMAL_K)
+
+extern const RowClass Row_class;
+
+void Row_init(Row* this, const struct Machine_* host);
+
+void Row_done(Row* this);
+
+void Row_display(const Object* cast, RichString* out);
+
+void Row_toggleTag(Row* this);
+
+void Row_resetFieldWidths(void);
+
+void Row_updateFieldWidth(RowField key, size_t width);
+
+void Row_printLeftAlignedField(RichString* str, int attr, const char* content, unsigned int width);
+
+const char* RowField_alignedTitle(const struct Settings_* settings, RowField field);
+
+RowField RowField_keyAt(const struct Settings_* settings, int at);
+
+/* Sets the size of the PID column based on the passed PID */
+void Row_setPidColumnWidth(pid_t maxPid);
+
+/* Sets the size of the UID column based on the passed UID */
+void Row_setUidColumnWidth(uid_t maxUid);
+
+/* Takes number in kibibytes (base 1024). Prints 6 columns. */
+void Row_printKBytes(RichString* str, unsigned long long number, bool coloring);
+
+/* Takes number in bytes (base 1024). Prints 6 columns. */
+void Row_printBytes(RichString* str, unsigned long long number, bool coloring);
+
+/* Takes number as count (base 1000). Prints 12 columns. */
+void Row_printCount(RichString* str, unsigned long long number, bool coloring);
+
+/* Takes time in hundredths of a seconds. Prints 9 columns. */
+void Row_printTime(RichString* str, unsigned long long totalHundredths, bool coloring);
+
+/* Takes rate in bare unit (base 1024) per second. Prints 12 columns. */
+void Row_printRate(RichString* str, double rate, bool coloring);
+
+int Row_printPercentage(float val, char* buffer, size_t n, uint8_t width, int* attr);
+
+void Row_display(const Object* cast, RichString* out);
+
+static inline int Row_idEqualCompare(const void* v1, const void* v2) {
+   const int p1 = ((const Row*)v1)->id;
+   const int p2 = ((const Row*)v2)->id;
+   return p1 != p2; /* return zero when equal */
+}
+
+/* Routines used primarily with the tree view */
+static inline int Row_getGroupOrParent(const Row* this) {
+   return this->group == this->id ? this->parent : this->group;
+}
+
+static inline bool Row_isChildOf(const Row* this, int id) {
+   return id == Row_getGroupOrParent(this);
+}
+
+int Row_compareByParent_Base(const void* v1, const void* v2);
+
+#endif