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Diffstat (limited to 'src/util.h')
| -rw-r--r-- | src/util.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h new file mode 100644 index 0000000..750fa38 --- /dev/null +++ b/src/util.h @@ -0,0 +1,177 @@ +/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +#ifndef _GSM_UTIL_H_ +#define _GSM_UTIL_H_ + +#include <gtkmm.h> +#include <string> +#include <vector> + +using std::string; + +GtkLabel* +procman_make_label_for_mmaps_or_ofiles(const char *format, + const char *process_name, + unsigned pid); + +gboolean +load_symbols(const char *module, ...) G_GNUC_NULL_TERMINATED; + +const char* +format_process_state(guint state); + +gchar* +format_byte_size(guint64 size, bool want_iec_format); + +void +procman_debug_real(const char *file, int line, const char *func, + const char *format, ...) G_GNUC_PRINTF(4, 5); + +#define procman_debug(FMT, ...) procman_debug_real(__FILE__, __LINE__, __func__, FMT, ##__VA_ARGS__) + +Glib::ustring get_monospace_system_font_name (void); +GtkLabel *make_tnum_label (void); +PangoAttrList *make_tnum_attr_list (void); +std::tuple<double, double, double> hsv_to_rgb(double h, double s, double v); +std::string rgb_to_color_string(const std::tuple<double, double, double> &t); + +inline string make_string(char *c_str) +{ + if (!c_str) { + procman_debug("NULL string"); + return string(); + } + + string s(c_str); + g_free(c_str); + return s; +} + + +namespace procman +{ + // create a list of n color strings + std::vector<std::string> generate_colors(unsigned n); + + char* format_duration_for_display(unsigned centiseconds); + + void size_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer, + GtkTreeModel *model, GtkTreeIter *iter, + gpointer user_data); + + void io_rate_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer, + GtkTreeModel *model, GtkTreeIter *iter, + gpointer user_data); + + void size_na_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer, + GtkTreeModel *model, GtkTreeIter *iter, + gpointer user_data); + + void size_si_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer, + GtkTreeModel *model, GtkTreeIter *iter, + gpointer user_data); + + + void duration_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer, + GtkTreeModel *model, GtkTreeIter *iter, + gpointer user_data); + + void time_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer, + GtkTreeModel *model, GtkTreeIter *iter, + gpointer user_data); + void percentage_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer, + GtkTreeModel *model, GtkTreeIter *iter, + gpointer user_data); + + void status_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer, + GtkTreeModel *model, GtkTreeIter *iter, + gpointer user_data); + void priority_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer, + GtkTreeModel *model, GtkTreeIter *iter, + gpointer user_data); + gint priority_compare_func(GtkTreeModel* model, GtkTreeIter* first, + GtkTreeIter* second, gpointer user_data); + gint number_compare_func(GtkTreeModel* model, GtkTreeIter* first, + GtkTreeIter* second, gpointer user_data); + + + template<typename T> + void poison(T &t, char c) + { + memset(&t, c, sizeof t); + } + + + + // + // Stuff to update a tree_store in a smart way + // + + template<typename T> + void tree_store_update(GtkTreeModel* model, GtkTreeIter* iter, int column, const T& new_value) + { + T current_value; + + gtk_tree_model_get(model, iter, column, ¤t_value, -1); + + if (current_value != new_value) + gtk_tree_store_set(GTK_TREE_STORE(model), iter, column, new_value, -1); + } + + // undefined + // catch every thing about pointers + // just to make sure i'm not doing anything wrong + template<typename T> + void tree_store_update(GtkTreeModel* model, GtkTreeIter* iter, int column, T* new_value); + + // specialized versions for strings + template<> + void tree_store_update<const char>(GtkTreeModel* model, GtkTreeIter* iter, int column, const char* new_value); + + template<> + inline void tree_store_update<char>(GtkTreeModel* model, GtkTreeIter* iter, int column, char* new_value) + { + tree_store_update<const char>(model, iter, column, new_value); + } + + gchar* format_size(guint64 size, bool want_bits = false); + + gchar* get_nice_level (gint nice); + + gchar* get_nice_level_with_priority (gint nice); + + std::string format_rate(guint64 rate, bool want_bits = false); + + std::string format_network(guint64 rate); + std::string format_network_rate(guint64 rate); + + class NonCopyable + { + protected: + NonCopyable() {} // = default + ~NonCopyable() {} // = default + private: + NonCopyable(const NonCopyable&) /* = delete */; + NonCopyable& operator=(const NonCopyable&) /* = delete */; + }; + + + // join the elements of c with sep + template<typename C, typename S> + auto join(const C& c, const S& sep) -> decltype(c[0] + sep) + { + decltype(c[0] + sep) r; + bool first = true; + + for(const auto& e : c) { + if (!first) { + r += sep; + } + first = false; + r += e; + } + + return r; + } +} + +#endif /* _GSM_UTIL_H_ */ |