mirror of
https://github.com/RGBCube/serenity
synced 2025-05-31 05:48:12 +00:00
LibGUI: Start working on a file picker dialog (GFilePicker).
Have LibGUI adopt GDirectoryModel from FileManager since it fits perfectly for the needs of a file picker.
This commit is contained in:
Andreas Kling
parent
d4ac9e9a8a
commit
bd5c79aff2
9 changed files with 103 additions and 29 deletions
326
LibGUI/GDirectoryModel.cpp
Normal file
326
LibGUI/GDirectoryModel.cpp
Normal file
|
|
@ -0,0 +1,326 @@
|
|||
#include "GDirectoryModel.h"
|
||||
#include <dirent.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <grp.h>
|
||||
#include <pwd.h>
|
||||
#include <AK/FileSystemPath.h>
|
||||
#include <AK/StringBuilder.h>
|
||||
#include <SharedGraphics/GraphicsBitmap.h>
|
||||
#include <LibGUI/GPainter.h>
|
||||
#include <LibCore/CLock.h>
|
||||
|
||||
static CLockable<HashMap<String, RetainPtr<GraphicsBitmap>>>& thumbnail_cache()
|
||||
{
|
||||
static CLockable<HashMap<String, RetainPtr<GraphicsBitmap>>>* s_map;
|
||||
if (!s_map)
|
||||
s_map = new CLockable<HashMap<String, RetainPtr<GraphicsBitmap>>>();
|
||||
return *s_map;
|
||||
}
|
||||
|
||||
int thumbnail_thread(void* model_ptr)
|
||||
{
|
||||
auto& model = *(GDirectoryModel*)model_ptr;
|
||||
for (;;) {
|
||||
sleep(1);
|
||||
Vector<String> to_generate;
|
||||
{
|
||||
LOCKER(thumbnail_cache().lock());
|
||||
to_generate.ensure_capacity(thumbnail_cache().resource().size());
|
||||
for (auto& it : thumbnail_cache().resource()) {
|
||||
if (it.value)
|
||||
continue;
|
||||
to_generate.append(it.key);
|
||||
}
|
||||
}
|
||||
if (to_generate.is_empty())
|
||||
continue;
|
||||
for (int i = 0; i < to_generate.size(); ++i) {
|
||||
auto& path = to_generate[i];
|
||||
auto png_bitmap = GraphicsBitmap::load_from_file(path);
|
||||
if (!png_bitmap)
|
||||
continue;
|
||||
auto thumbnail = GraphicsBitmap::create(png_bitmap->format(), { 32, 32 });
|
||||
Painter painter(*thumbnail);
|
||||
painter.draw_scaled_bitmap(thumbnail->rect(), *png_bitmap, png_bitmap->rect());
|
||||
{
|
||||
LOCKER(thumbnail_cache().lock());
|
||||
thumbnail_cache().resource().set(path, move(thumbnail));
|
||||
}
|
||||
if (model.on_thumbnail_progress)
|
||||
model.on_thumbnail_progress(i + 1, to_generate.size());
|
||||
model.did_update();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
GDirectoryModel::GDirectoryModel()
|
||||
{
|
||||
create_thread(thumbnail_thread, this);
|
||||
|
||||
m_directory_icon = GIcon::default_icon("filetype-folder");
|
||||
m_file_icon = GIcon::default_icon("filetype-unknown");
|
||||
m_symlink_icon = GIcon::default_icon("filetype-symlink");
|
||||
m_socket_icon = GIcon::default_icon("filetype-socket");
|
||||
m_executable_icon = GIcon::default_icon("filetype-executable");
|
||||
m_filetype_image_icon = GIcon::default_icon("filetype-image");
|
||||
|
||||
setpwent();
|
||||
while (auto* passwd = getpwent())
|
||||
m_user_names.set(passwd->pw_uid, passwd->pw_name);
|
||||
endpwent();
|
||||
|
||||
setgrent();
|
||||
while (auto* group = getgrent())
|
||||
m_group_names.set(group->gr_gid, group->gr_name);
|
||||
endgrent();
|
||||
}
|
||||
|
||||
GDirectoryModel::~GDirectoryModel()
|
||||
{
|
||||
}
|
||||
|
||||
int GDirectoryModel::row_count(const GModelIndex&) const
|
||||
{
|
||||
return m_directories.size() + m_files.size();
|
||||
}
|
||||
|
||||
int GDirectoryModel::column_count(const GModelIndex&) const
|
||||
{
|
||||
return Column::__Count;
|
||||
}
|
||||
|
||||
String GDirectoryModel::column_name(int column) const
|
||||
{
|
||||
switch (column) {
|
||||
case Column::Icon: return "";
|
||||
case Column::Name: return "Name";
|
||||
case Column::Size: return "Size";
|
||||
case Column::Owner: return "Owner";
|
||||
case Column::Group: return "Group";
|
||||
case Column::Permissions: return "Mode";
|
||||
case Column::Inode: return "Inode";
|
||||
}
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
|
||||
GModel::ColumnMetadata GDirectoryModel::column_metadata(int column) const
|
||||
{
|
||||
switch (column) {
|
||||
case Column::Icon: return { 16, TextAlignment::Center };
|
||||
case Column::Name: return { 120, TextAlignment::CenterLeft };
|
||||
case Column::Size: return { 80, TextAlignment::CenterRight };
|
||||
case Column::Owner: return { 50, TextAlignment::CenterLeft };
|
||||
case Column::Group: return { 50, TextAlignment::CenterLeft };
|
||||
case Column::Permissions: return { 80, TextAlignment::CenterLeft };
|
||||
case Column::Inode: return { 80, TextAlignment::CenterRight };
|
||||
}
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
|
||||
GIcon GDirectoryModel::icon_for(const Entry& entry) const
|
||||
{
|
||||
if (S_ISDIR(entry.mode))
|
||||
return m_directory_icon;
|
||||
if (S_ISLNK(entry.mode))
|
||||
return m_symlink_icon;
|
||||
if (S_ISSOCK(entry.mode))
|
||||
return m_socket_icon;
|
||||
if (entry.mode & S_IXUSR)
|
||||
return m_executable_icon;
|
||||
if (entry.name.to_lowercase().ends_with(".png")) {
|
||||
if (!entry.thumbnail) {
|
||||
auto path = entry.full_path(*this);
|
||||
LOCKER(thumbnail_cache().lock());
|
||||
auto it = thumbnail_cache().resource().find(path);
|
||||
if (it != thumbnail_cache().resource().end()) {
|
||||
entry.thumbnail = (*it).value.copy_ref();
|
||||
} else {
|
||||
thumbnail_cache().resource().set(path, nullptr);
|
||||
}
|
||||
}
|
||||
if (!entry.thumbnail)
|
||||
return m_filetype_image_icon;
|
||||
return GIcon(m_filetype_image_icon.bitmap_for_size(16), *entry.thumbnail);
|
||||
}
|
||||
return m_file_icon;
|
||||
}
|
||||
|
||||
static String permission_string(mode_t mode)
|
||||
{
|
||||
StringBuilder builder;
|
||||
if (S_ISDIR(mode))
|
||||
builder.append("d");
|
||||
else if (S_ISLNK(mode))
|
||||
builder.append("l");
|
||||
else if (S_ISBLK(mode))
|
||||
builder.append("b");
|
||||
else if (S_ISCHR(mode))
|
||||
builder.append("c");
|
||||
else if (S_ISFIFO(mode))
|
||||
builder.append("f");
|
||||
else if (S_ISSOCK(mode))
|
||||
builder.append("s");
|
||||
else if (S_ISREG(mode))
|
||||
builder.append("-");
|
||||
else
|
||||
builder.append("?");
|
||||
|
||||
builder.appendf("%c%c%c%c%c%c%c%c",
|
||||
mode & S_IRUSR ? 'r' : '-',
|
||||
mode & S_IWUSR ? 'w' : '-',
|
||||
mode & S_ISUID ? 's' : (mode & S_IXUSR ? 'x' : '-'),
|
||||
mode & S_IRGRP ? 'r' : '-',
|
||||
mode & S_IWGRP ? 'w' : '-',
|
||||
mode & S_ISGID ? 's' : (mode & S_IXGRP ? 'x' : '-'),
|
||||
mode & S_IROTH ? 'r' : '-',
|
||||
mode & S_IWOTH ? 'w' : '-'
|
||||
);
|
||||
|
||||
if (mode & S_ISVTX)
|
||||
builder.append("t");
|
||||
else
|
||||
builder.appendf("%c", mode & S_IXOTH ? 'x' : '-');
|
||||
return builder.to_string();
|
||||
}
|
||||
|
||||
String GDirectoryModel::name_for_uid(uid_t uid) const
|
||||
{
|
||||
auto it = m_user_names.find(uid);
|
||||
if (it == m_user_names.end())
|
||||
return String::format("%u", uid);
|
||||
return (*it).value;
|
||||
}
|
||||
|
||||
String GDirectoryModel::name_for_gid(uid_t gid) const
|
||||
{
|
||||
auto it = m_user_names.find(gid);
|
||||
if (it == m_user_names.end())
|
||||
return String::format("%u", gid);
|
||||
return (*it).value;
|
||||
}
|
||||
|
||||
GVariant GDirectoryModel::data(const GModelIndex& index, Role role) const
|
||||
{
|
||||
ASSERT(is_valid(index));
|
||||
auto& entry = this->entry(index.row());
|
||||
if (role == Role::Sort) {
|
||||
switch (index.column()) {
|
||||
case Column::Icon: return entry.is_directory() ? 0 : 1;
|
||||
case Column::Name: return entry.name;
|
||||
case Column::Size: return (int)entry.size;
|
||||
case Column::Owner: return name_for_uid(entry.uid);
|
||||
case Column::Group: return name_for_gid(entry.gid);
|
||||
case Column::Permissions: return permission_string(entry.mode);
|
||||
case Column::Inode: return (int)entry.inode;
|
||||
}
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
if (role == Role::Display) {
|
||||
switch (index.column()) {
|
||||
case Column::Icon: return icon_for(entry);
|
||||
case Column::Name: return entry.name;
|
||||
case Column::Size: return (int)entry.size;
|
||||
case Column::Owner: return name_for_uid(entry.uid);
|
||||
case Column::Group: return name_for_gid(entry.gid);
|
||||
case Column::Permissions: return permission_string(entry.mode);
|
||||
case Column::Inode: return (int)entry.inode;
|
||||
}
|
||||
}
|
||||
if (role == Role::Icon) {
|
||||
return icon_for(entry);
|
||||
}
|
||||
return { };
|
||||
}
|
||||
|
||||
void GDirectoryModel::update()
|
||||
{
|
||||
DIR* dirp = opendir(m_path.characters());
|
||||
if (!dirp) {
|
||||
perror("opendir");
|
||||
exit(1);
|
||||
}
|
||||
m_directories.clear();
|
||||
m_files.clear();
|
||||
|
||||
m_bytes_in_files = 0;
|
||||
while (auto* de = readdir(dirp)) {
|
||||
Entry entry;
|
||||
entry.name = de->d_name;
|
||||
if (entry.name == "." || entry.name == "..")
|
||||
continue;
|
||||
struct stat st;
|
||||
int rc = lstat(String::format("%s/%s", m_path.characters(), de->d_name).characters(), &st);
|
||||
if (rc < 0) {
|
||||
perror("lstat");
|
||||
continue;
|
||||
}
|
||||
entry.size = st.st_size;
|
||||
entry.mode = st.st_mode;
|
||||
entry.uid = st.st_uid;
|
||||
entry.gid = st.st_gid;
|
||||
entry.inode = st.st_ino;
|
||||
auto& entries = S_ISDIR(st.st_mode) ? m_directories : m_files;
|
||||
entries.append(move(entry));
|
||||
|
||||
if (S_ISREG(entry.mode))
|
||||
m_bytes_in_files += st.st_size;
|
||||
}
|
||||
closedir(dirp);
|
||||
|
||||
did_update();
|
||||
}
|
||||
|
||||
void GDirectoryModel::open(const String& a_path)
|
||||
{
|
||||
FileSystemPath canonical_path(a_path);
|
||||
auto path = canonical_path.string();
|
||||
if (m_path == path)
|
||||
return;
|
||||
DIR* dirp = opendir(path.characters());
|
||||
if (!dirp)
|
||||
return;
|
||||
closedir(dirp);
|
||||
m_path = path;
|
||||
update();
|
||||
set_selected_index(index(0, 0));
|
||||
}
|
||||
|
||||
void GDirectoryModel::activate(const GModelIndex& index)
|
||||
{
|
||||
if (!index.is_valid())
|
||||
return;
|
||||
auto& entry = this->entry(index.row());
|
||||
FileSystemPath path(String::format("%s/%s", m_path.characters(), entry.name.characters()));
|
||||
if (entry.is_directory()) {
|
||||
open(path.string());
|
||||
return;
|
||||
}
|
||||
if (entry.is_executable()) {
|
||||
if (fork() == 0) {
|
||||
int rc = execl(path.string().characters(), path.string().characters(), nullptr);
|
||||
if (rc < 0)
|
||||
perror("exec");
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
if (path.string().to_lowercase().ends_with(".png")) {
|
||||
if (fork() == 0) {
|
||||
int rc = execl("/bin/qs", "/bin/qs", path.string().characters(), nullptr);
|
||||
if (rc < 0)
|
||||
perror("exec");
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
if (fork() == 0) {
|
||||
int rc = execl("/bin/TextEditor", "/bin/TextEditor", path.string().characters(), nullptr);
|
||||
if (rc < 0)
|
||||
perror("exec");
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
return;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue