https://bugs.kde.org/show_bug.cgi?id=495656

            Bug ID: 495656
           Summary: Show Previews reloads all previews when I delete a
                    single file
    Classification: Applications
           Product: krusader
           Version: 2.8.1
          Platform: Mint (Ubuntu based)
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected]
  Target Milestone: ---

STEPS TO REPRODUCE
1. start Krusader, display a directory with many .txt files in it
2. select View>Show previews
3. activate Preview Panel
4. delete a single file


OBSERVED RESULT
The Krusader program reloads all of the previews every time I delete a single
file. It's very quick, but I believe this shouldn't be happening. I'm surprised
it loads all of them in the first place, instead of only loading the preview
for the file that is selected.

EXPECTED RESULT
Krusader would only load the preview for the file that is selected.

SOFTWARE/OS VERSIONS
System:
  Kernel: 6.8.0-47-generic arch: x86_64 bits: 64 compiler: gcc v: 13.2.0
clocksource: tsc
  Desktop: Cinnamon v: 6.2.9 tk: GTK v: 3.24.41 wm: Muffin v: 6.2.0 vt: 7 dm:
LightDM v: 1.30.0
    Distro: Linux Mint 22 Wilma base: Ubuntu 24.04 noble
Machine:
  Type: Laptop System: LENOVO product: 4239CTO v: ThinkPad T520 serial:
<superuser required>
    Chassis: type: 10 serial: <superuser required>
  Mobo: LENOVO model: 4239CTO serial: <superuser required> uuid: <superuser
required>
    UEFI: LENOVO v: 8AET45WW (1.25 ) date: 05/13/2011
Battery:
  ID-1: BAT0 charge: 4.1 Wh (100.0%) condition: 4.1/47.5 Wh (8.7%) volts: 12.2
min: 10.8
    model: SANYO 42T4791 type: Li-ion serial: <filter> status: full
CPU:
  Info: dual core model: Intel Core i3-2310M bits: 64 type: MT MCP smt: enabled
arch: Sandy Bridge
    rev: 7 cache: L1: 128 KiB L2: 512 KiB L3: 3 MiB
  Speed (MHz): avg: 1396 high: 1994 min/max: 800/2100 cores: 1: 1994 2: 802 3:
1994 4: 797
    bogomips: 16745
  Flags: avx ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3
Graphics:
  Device-1: Intel 2nd Generation Core Processor Family Integrated Graphics
vendor: Lenovo
    driver: i915 v: kernel arch: Gen-6 ports: active: LVDS-1,VGA-1 empty: DP-1,
DP-2, DP-3,
    HDMI-A-1, HDMI-A-2, HDMI-A-3 bus-ID: 00:02.0 chip-ID: 8086:0116 class-ID:
0300
  Display: x11 server: X.Org v: 21.1.11 with: Xwayland v: 23.2.6 driver: X:
loaded: modesetting
    unloaded: fbdev,vesa dri: crocus gpu: i915 display-ID: :0 screens: 1
  Screen-1: 0 s-res: 1680x1818 s-dpi: 96 s-size: 445x481mm (17.52x18.94")
s-diag: 655mm (25.8")
  Monitor-1: LVDS-1 pos: primary,bottom-r model: LG Display 0x02e3 res:
1366x768 hz: 60 dpi: 101
    size: 344x194mm (13.54x7.64") diag: 395mm (15.5") modes: 1366x768
  Monitor-2: VGA-1 pos: top-left model: Samsung SyncMaster serial: <filter>
res: 1680x1050 hz: 60
    dpi: 90 size: 474x296mm (18.66x11.65") diag: 559mm (22") modes: max:
1680x1050 min: 720x400
  API: EGL v: 1.5 hw: drv: intel crocus platforms: device: 0 drv: crocus
device: 1 drv: swrast
    surfaceless: drv: crocus x11: drv: crocus inactive: gbm,wayland
  API: OpenGL v: 4.5 compat-v: 3.3 vendor: intel mesa v: 24.0.9-0ubuntu0.2
glx-v: 1.4
    direct-render: yes renderer: Mesa Intel HD Graphics 3000 (SNB GT2)
device-ID: 8086:0116
Audio:
  Device-1: Intel 6 Series/C200 Series Family High Definition Audio vendor:
Lenovo ThinkPad T520
    driver: snd_hda_intel v: kernel bus-ID: 00:1b.0 chip-ID: 8086:1c20
class-ID: 0403
  API: ALSA v: k6.8.0-47-generic status: kernel-api
  Server-1: PipeWire v: 1.0.5 status: active with: 1: pipewire-pulse status:
active
    2: wireplumber status: active 3: pipewire-alsa type: plugin
Network:
  Device-1: Intel 82579LM Gigabit Network vendor: Lenovo ThinkPad T520 driver:
e1000e v: kernel
    port: 5080 bus-ID: 00:19.0 chip-ID: 8086:1502 class-ID: 0200
  IF: enp0s25 state: up speed: 1000 Mbps duplex: full mac: <filter>
  Device-2: Intel Centrino Ultimate-N 6300 driver: iwlwifi v: kernel pcie:
speed: 2.5 GT/s
    lanes: 1 bus-ID: 03:00.0 chip-ID: 8086:4238 class-ID: 0280
  IF: wlp3s0 state: down mac: <filter>
Drives:
  Local Storage: total: 465.76 GiB used: 37.24 GiB (8.0%)
  ID-1: /dev/sda vendor: Toshiba model: MK5076GSXN size: 465.76 GiB speed: 3.0
Gb/s tech: HDD
    rpm: 5400 serial: <filter> fw-rev: 1M scheme: GPT
Partition:
  ID-1: / size: 124.93 GiB used: 23.57 GiB (18.9%) fs: ext4 dev: /dev/sda2
  ID-2: /boot/efi size: 511 MiB used: 6.1 MiB (1.2%) fs: vfat dev: /dev/sda1
Swap:
  ID-1: swap-1 type: file size: 3.92 GiB used: 791.1 MiB (19.7%) priority: -2
file: /swapfile
  ID-2: swap-2 type: partition size: 32 GiB used: 0 KiB (0.0%) priority: -3
dev: /dev/sda5
USB:
  Hub-1: 1-0:1 info: full speed or root hub ports: 3 rev: 2.0 speed: 480 Mb/s
lanes: 1
    chip-ID: 1d6b:0002 class-ID: 0900
  Hub-2: 1-1:2 info: Intel Integrated Rate Matching Hub ports: 8 rev: 2.0
speed: 480 Mb/s
    lanes: 1 chip-ID: 8087:0024 class-ID: 0900
  Device-1: 1-1.1:4 info: Canon MF220 Series type: printer driver: usblp
interfaces: 3 rev: 2.0
    speed: 480 Mb/s lanes: 1 power: 2mA chip-ID: 04a9:27a8 class-ID: 0701
serial: <filter>
  Hub-3: 2-0:1 info: full speed or root hub ports: 3 rev: 2.0 speed: 480 Mb/s
lanes: 1
    chip-ID: 1d6b:0002 class-ID: 0900
  Hub-4: 2-1:2 info: Intel Integrated Rate Matching Hub ports: 6 rev: 2.0
speed: 480 Mb/s
    lanes: 1 chip-ID: 8087:0024 class-ID: 0900
  Device-1: 2-1.2:4 info: Microsoft Basic Optical Mouse type: mouse driver:
hid-generic,usbhid
    interfaces: 1 rev: 1.1 speed: 1.5 Mb/s lanes: 1 power: 100mA chip-ID:
045e:0084 class-ID: 0301
Sensors:
  System Temperatures: cpu: 57.0 C mobo: N/A
  Fan Speeds (rpm): cpu: 2973
Repos:
  Packages: pm: dpkg pkgs: 2430
  No active apt repos in: /etc/apt/sources.list
  Active apt repos in:
/etc/apt/sources.list.d/official-package-repositories.list
    1: deb http: //packages.linuxmint.com wilma main upstream import backport
    2: deb http: //mirror.ca-tr.kamatera.com/ubuntu noble main restricted
universe multiverse
    3: deb http: //mirror.ca-tr.kamatera.com/ubuntu noble-updates main
restricted universe multiverse
    4: deb http: //mirror.ca-tr.kamatera.com/ubuntu noble-backports main
restricted universe multiverse
    5: deb http: //security.ubuntu.com/ubuntu/ noble-security main restricted
universe multiverse
  Active apt repos in:
/etc/apt/sources.list.d/official-source-repositories.list
    1: deb-src http: //packages.linuxmint.com wilma main upstream import
backport
    2: deb-src http: //mirror.ca-tr.kamatera.com/ubuntu noble main restricted
universe multiverse
    3: deb-src http: //mirror.ca-tr.kamatera.com/ubuntu noble-updates main
restricted universe multiverse
    4: deb-src http: //mirror.ca-tr.kamatera.com/ubuntu noble-backports main
restricted universe multiverse
    5: deb-src http: //security.ubuntu.com/ubuntu/ noble-security main
restricted universe multiverse
Info:
  Memory: total: 4 GiB available: 3.71 GiB used: 2.19 GiB (59.1%)
  Processes: 259 Power: uptime: 1d 21h 16m states: freeze,mem,disk suspend:
deep wakeups: 0
    hibernate: platform Init: systemd v: 255 target: graphical (5) default:
graphical
  Compilers: gcc: 13.2.0 Client: Cinnamon v: 6.2.9 inxi: 3.3.34


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