mirror of https://github.com/xzeldon/htop.git
Option and key ("*") to collapse / expand all branches under PID 1
(and PID 2 if kernel threads are shown) Based on hishamhm/htop#510 by Krishna Chaitanya, B Closes #68
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c44b2ec795
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2c6222e30a
14
Action.c
14
Action.c
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@ -227,10 +227,19 @@ static Htop_Reaction actionToggleMergedCommand(State* st) {
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static Htop_Reaction actionToggleTreeView(State* st) {
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st->settings->treeView = !st->settings->treeView;
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ProcessList_expandTree(st->pl);
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if (!st->settings->allBranchesCollapsed) ProcessList_expandTree(st->pl);
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return HTOP_REFRESH | HTOP_SAVE_SETTINGS | HTOP_KEEP_FOLLOWING | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
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}
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static Htop_Reaction actionExpandOrCollapseAllBranches(State* st) {
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st->settings->allBranchesCollapsed = !st->settings->allBranchesCollapsed;
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if (st->settings->allBranchesCollapsed)
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ProcessList_collapseAllBranches(st->pl);
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else
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ProcessList_expandTree(st->pl);
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return HTOP_REFRESH | HTOP_SAVE_SETTINGS;
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}
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static Htop_Reaction actionIncFilter(State* st) {
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IncSet* inc = (st->mainPanel)->inc;
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IncSet_activate(inc, INC_FILTER, (Panel*)st->mainPanel);
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@ -438,7 +447,7 @@ static const struct {
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{ .key = " H: ", .info = "hide/show user process threads" },
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{ .key = " K: ", .info = "hide/show kernel threads" },
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{ .key = " F: ", .info = "cursor follows process" },
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{ .key = " + -: ", .info = "expand/collapse tree" },
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{ .key = " + - *: ", .info = "expand/collapse tree (* = toggle all)" },
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{ .key = "N P M T: ", .info = "sort by PID, CPU%, MEM% or TIME" },
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{ .key = " I: ", .info = "invert sort order" },
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{ .key = " F6 > .: ", .info = "select sort column" },
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@ -621,6 +630,7 @@ static Htop_Reaction actionShowCommandScreen(State* st) {
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void Action_setBindings(Htop_Action* keys) {
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keys[' '] = actionTag;
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keys['*'] = actionExpandOrCollapseAllBranches;
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keys['+'] = actionExpandOrCollapse;
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keys[','] = actionSetSortColumn;
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keys['-'] = actionExpandOrCollapse;
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@ -98,6 +98,7 @@ DisplayOptionsPanel* DisplayOptionsPanel_new(Settings* settings, ScreenManager*
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Panel_setHeader(super, "Display options");
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Panel_add(super, (Object*) CheckItem_newByRef("Tree view", &(settings->treeView)));
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Panel_add(super, (Object*) CheckItem_newByRef("- Tree view is always sorted by PID (htop 2 behavior)", &(settings->treeViewAlwaysByPID)));
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Panel_add(super, (Object*) CheckItem_newByRef("- Tree view is collapsed by default", &(settings->allBranchesCollapsed)));
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Panel_add(super, (Object*) CheckItem_newByRef("Shadow other users' processes", &(settings->shadowOtherUsers)));
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Panel_add(super, (Object*) CheckItem_newByRef("Hide kernel threads", &(settings->hideKernelThreads)));
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Panel_add(super, (Object*) CheckItem_newByRef("Hide userland process threads", &(settings->hideUserlandThreads)));
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@ -494,6 +494,16 @@ void ProcessList_expandTree(ProcessList* this) {
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}
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}
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void ProcessList_collapseAllBranches(ProcessList* this) {
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int size = Vector_size(this->processes);
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for (int i = 0; i < size; i++) {
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Process* process = (Process*) Vector_get(this->processes, i);
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// FreeBSD has pid 0 = kernel and pid 1 = init, so init has tree_depth = 1
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if (process->tree_depth > 0 && process->pid > 1)
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process->showChildren = false;
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}
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}
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void ProcessList_rebuildPanel(ProcessList* this) {
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const char* incFilter = this->incFilter;
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@ -106,6 +106,8 @@ ProcessField ProcessList_keyAt(const ProcessList* this, int at);
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void ProcessList_expandTree(ProcessList* this);
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void ProcessList_collapseAllBranches(ProcessList* this);
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void ProcessList_rebuildPanel(ProcessList* this);
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Process* ProcessList_getProcess(ProcessList* this, pid_t pid, bool* preExisting, Process_New constructor);
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@ -163,6 +163,8 @@ static bool Settings_read(Settings* this, const char* fileName, int initialCpuCo
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this->treeView = atoi(option[1]);
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} else if (String_eq(option[0], "tree_view_always_by_pid")) {
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this->treeViewAlwaysByPID = atoi(option[1]);
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} else if (String_eq(option[0], "all_branches_collapsed")) {
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this->allBranchesCollapsed = atoi(option[1]);
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} else if (String_eq(option[0], "hide_kernel_threads")) {
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this->hideKernelThreads = atoi(option[1]);
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} else if (String_eq(option[0], "hide_userland_threads")) {
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@ -314,6 +316,7 @@ bool Settings_write(Settings* this) {
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fprintf(fd, "show_merged_command=%d\n", (int) this->showMergedCommand);
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fprintf(fd, "tree_view=%d\n", (int) this->treeView);
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fprintf(fd, "tree_view_always_by_pid=%d\n", (int) this->treeViewAlwaysByPID);
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fprintf(fd, "all_branches_collapsed=%d\n", (int) this->allBranchesCollapsed);
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fprintf(fd, "header_margin=%d\n", (int) this->headerMargin);
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fprintf(fd, "detailed_cpu_time=%d\n", (int) this->detailedCPUTime);
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fprintf(fd, "cpu_count_from_one=%d\n", (int) this->countCPUsFromOne);
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@ -352,6 +355,7 @@ Settings* Settings_new(int initialCpuCount) {
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this->hideKernelThreads = false;
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this->hideUserlandThreads = false;
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this->treeView = false;
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this->allBranchesCollapsed = false;
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this->highlightBaseName = false;
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this->highlightMegabytes = false;
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this->detailedCPUTime = false;
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@ -47,6 +47,7 @@ typedef struct Settings_ {
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#endif
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bool treeView;
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bool treeViewAlwaysByPID;
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bool allBranchesCollapsed;
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bool showProgramPath;
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bool shadowOtherUsers;
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bool showThreadNames;
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@ -185,9 +185,11 @@ Quit
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Invert the sort order: if sort order is increasing, switch to decreasing, and
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vice-versa.
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.TP
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.B +, \-
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.B +, \-, *
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When in tree view mode, expand or collapse subtree. When a subtree is collapsed
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a "+" sign shows to the left of the process name.
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Pressing "*" will expand or collapse all children of PIDs without parents, so
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typically PID 1 (init) and PID 2 (kthreadd on Linux, if kernel threads are shown).
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.TP
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.B a (on multiprocessor machines)
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Set CPU affinity: mark which CPUs a process is allowed to use.
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