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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:58:07 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:58:07 +0000 |
commit | 10eea2ab1bae2a8ec159d81c0446fd8061b33e2b (patch) | |
tree | e8270dd60ec096bee8157dbadf029e15ed584592 /CommandScreen.c | |
parent | Initial commit. (diff) | |
download | htop-10eea2ab1bae2a8ec159d81c0446fd8061b33e2b.tar.xz htop-10eea2ab1bae2a8ec159d81c0446fd8061b33e2b.zip |
Adding upstream version 3.3.0.upstream/3.3.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'CommandScreen.c')
-rw-r--r-- | CommandScreen.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/CommandScreen.c b/CommandScreen.c new file mode 100644 index 0000000..465e4c2 --- /dev/null +++ b/CommandScreen.c @@ -0,0 +1,76 @@ +/* +htop - CommandScreen.c +(C) 2017,2020 ryenus +(C) 2020,2021 htop dev team +Released under the GNU GPLv2+, see the COPYING file +in the source distribution for its full text. +*/ + +#include "config.h" // IWYU pragma: keep + +#include "CommandScreen.h" + +#include <assert.h> +#include <stdlib.h> +#include <string.h> + +#include "Macros.h" +#include "Panel.h" +#include "ProvideCurses.h" + + +static void CommandScreen_scan(InfoScreen* this) { + Panel* panel = this->display; + int idx = MAXIMUM(Panel_getSelectedIndex(panel), 0); + Panel_prune(panel); + + const char* p = Process_getCommand(this->process); + char line[COLS + 1]; + int line_offset = 0, last_spc = -1, len; + for (; *p != '\0'; p++, line_offset++) { + assert(line_offset >= 0 && (size_t)line_offset < sizeof(line)); + line[line_offset] = *p; + if (*p == ' ') { + last_spc = line_offset; + } + + if (line_offset == COLS) { + len = (last_spc == -1) ? line_offset : last_spc; + line[len] = '\0'; + InfoScreen_addLine(this, line); + + line_offset -= len; + last_spc = -1; + memcpy(line, p - line_offset, line_offset + 1); + } + } + + if (line_offset > 0) { + line[line_offset] = '\0'; + InfoScreen_addLine(this, line); + } + + Panel_setSelected(panel, idx); +} + +static void CommandScreen_draw(InfoScreen* this) { + InfoScreen_drawTitled(this, "Command of process %d - %s", Process_getPid(this->process), Process_getCommand(this->process)); +} + +const InfoScreenClass CommandScreen_class = { + .super = { + .extends = Class(Object), + .delete = CommandScreen_delete + }, + .scan = CommandScreen_scan, + .draw = CommandScreen_draw +}; + +CommandScreen* CommandScreen_new(Process* process) { + CommandScreen* this = AllocThis(CommandScreen); + return (CommandScreen*) InfoScreen_init(&this->super, process, NULL, LINES - 2, " "); +} + +void CommandScreen_delete(Object* this) { + free(InfoScreen_done((InfoScreen*)this)); +} |