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Merge branch 'saved-undo-state' (#3578)

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This commit is contained in:
David Capello 2022-11-03 07:52:54 -03:00
commit d029efbcc0
17 changed files with 251 additions and 60 deletions
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8
data/extensions/aseprite-theme/dark/theme.xml
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@ -997,6 +997,14 @@
<text color="listitem_selected_text" align="left middle" x="1" state="selected" />
<text color="disabled" align="left middle" x="1" state="disabled" />
</style>
<style id="undo_saved_item" extends="list_item">
<text color="listitem_normal_text" align="left middle" x="11" />
<text color="listitem_selected_text" align="left middle" x="11" state="selected" />
<text color="disabled" align="left middle" x="11" state="disabled" />
<icon part="icon_save" color="listitem_normal_text" align="left middle" x="1" />
<icon part="icon_save" color="listitem_selected_text" align="left middle" x="1" state="selected" />
<icon part="icon_save" color="disabled" align="left middle" x="1" state="disabled" />
</style>
<style id="aseprite_face">
<icon part="aseprite_face" />
<icon part="aseprite_face_mouse" state="mouse" />

8
data/extensions/aseprite-theme/theme.xml
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@ -987,6 +987,14 @@
<text color="listitem_selected_text" align="left middle" x="1" state="selected" />
<text color="disabled" align="left middle" x="1" state="disabled" />
</style>
<style id="undo_saved_item" extends="list_item">
<text color="listitem_normal_text" align="left middle" x="11" />
<text color="listitem_selected_text" align="left middle" x="11" state="selected" />
<text color="disabled" align="left middle" x="11" state="disabled" />
<icon part="icon_save" color="listitem_normal_text" align="left middle" x="1" />
<icon part="icon_save" color="listitem_selected_text" align="left middle" x="1" state="selected" />
<icon part="icon_save" color="disabled" align="left middle" x="1" state="disabled" />
</style>
<style id="aseprite_face">
<icon part="aseprite_face" />
<icon part="aseprite_face_mouse" state="mouse" />

4
src/app/CMakeLists.txt
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@ -231,7 +231,6 @@ if(ENABLE_UI)
commands/cmd_copy_cel.cpp
commands/cmd_copy_merged.cpp
commands/cmd_cut.cpp
commands/cmd_deselect_mask.cpp
commands/cmd_discard_brush.cpp
commands/cmd_duplicate_layer.cpp
commands/cmd_duplicate_sprite.cpp
@ -257,7 +256,6 @@ if(ENABLE_UI)
commands/cmd_layer_visibility.cpp
commands/cmd_link_cels.cpp
commands/cmd_load_mask.cpp
commands/cmd_mask_all.cpp
commands/cmd_mask_by_color.cpp
commands/cmd_mask_content.cpp
commands/cmd_modify_selection.cpp
@ -550,6 +548,7 @@ add_library(app-lib
commands/cmd_change_pixel_format.cpp
commands/cmd_color_quantization.cpp
commands/cmd_crop.cpp
commands/cmd_deselect_mask.cpp
commands/cmd_export_sprite_sheet.cpp
commands/cmd_fill_and_stroke.cpp
commands/cmd_flatten_layers.cpp
@ -557,6 +556,7 @@ add_library(app-lib
commands/cmd_import_sprite_sheet.cpp
commands/cmd_layer_from_background.cpp
commands/cmd_load_palette.cpp
commands/cmd_mask_all.cpp
commands/cmd_merge_down_layer.cpp
commands/cmd_new_file.cpp
commands/cmd_new_frame.cpp

18
src/app/cmd_transaction.cpp
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@ -1,5 +1,5 @@
// Aseprite
// Copyright (C) 2019-2020 Igara Studio S.A.
// Copyright (C) 2019-2022 Igara Studio S.A.
// Copyright (C) 2001-2018 David Capello
//
// This program is distributed under the terms of
@ -22,20 +22,17 @@
namespace app {
CmdTransaction::CmdTransaction(const std::string& label,
bool changeSavedState,
int* savedCounter)
bool changeSavedState)
: m_ranges(nullptr)
, m_label(label)
, m_changeSavedState(changeSavedState)
, m_savedCounter(savedCounter)
{
}
CmdTransaction* CmdTransaction::moveToEmptyCopy()
{
CmdTransaction* copy = new CmdTransaction(m_label,
m_changeSavedState,
m_savedCounter);
m_changeSavedState);
copy->m_spritePositionBefore = m_spritePositionBefore;
copy->m_spritePositionAfter = m_spritePositionAfter;
if (m_ranges) {
@ -99,25 +96,16 @@ void CmdTransaction::onExecute()
// Execute the sequence of "cmds"
CmdSequence::onExecute();
if (m_changeSavedState)
++(*m_savedCounter);
}
void CmdTransaction::onUndo()
{
CmdSequence::onUndo();
if (m_changeSavedState)
--(*m_savedCounter);
}
void CmdTransaction::onRedo()
{
CmdSequence::onRedo();
if (m_changeSavedState)
++(*m_savedCounter);
}
std::string CmdTransaction::onLabel() const

7
src/app/cmd_transaction.h
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@ -1,5 +1,5 @@
// Aseprite
// Copyright (C) 2019 Igara Studio S.A.
// Copyright (C) 2019-2022 Igara Studio S.A.
// Copyright (C) 2001-2018 David Capello
//
// This program is distributed under the terms of
@ -23,7 +23,9 @@ namespace app {
class CmdTransaction : public CmdSequence {
public:
CmdTransaction(const std::string& label,
bool changeSavedState, int* savedCounter);
bool changeSavedState);
bool doesChangeSavedState() const { return m_changeSavedState; }
// Moves the CmdTransaction internals to a new copy in case that
// we want to rollback this CmdTransaction and start again with
@ -61,7 +63,6 @@ namespace app {
std::unique_ptr<Ranges> m_ranges;
std::string m_label;
bool m_changeSavedState;
int* m_savedCounter;
};
} // namespace app

6
src/app/commands/cmd_deselect_mask.cpp
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@ -48,7 +48,11 @@ void DeselectMaskCommand::onExecute(Context* context)
tx(new cmd::DeselectMask(document));
tx.commit();
}
update_screen_for_document(document);
#ifdef ENABLE_UI
if (context->isUIAvailable())
update_screen_for_document(document);
#endif
}
Command* CommandFactory::createDeselectMaskCommand()

5
src/app/commands/cmd_mask_all.cpp
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@ -59,7 +59,10 @@ void MaskAllCommand::onExecute(Context* context)
docPref.show.selectionEdges(true);
}
update_screen_for_document(document);
#ifdef ENABLE_UI
if (context->isUIAvailable())
update_screen_for_document(document);
#endif
}
Command* CommandFactory::createMaskAllCommand()

58
src/app/commands/cmd_undo_history.cpp
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@ -9,7 +9,9 @@
#include "config.h"
#endif
#include "app/app.h"
#include "app/cmd.h"
#include "app/cmd_transaction.h"
#include "app/commands/command.h"
#include "app/console.h"
#include "app/context.h"
@ -23,6 +25,7 @@
#include "app/modules/palettes.h"
#include "app/site.h"
#include "app/ui/skin/skin_theme.h"
#include "app/ui/workspace.h"
#include "base/mem_utils.h"
#include "fmt/format.h"
#include "ui/init_theme_event.h"
@ -52,8 +55,12 @@ public:
initTheme();
}
void setUndoHistory(DocUndo* history) {
void setUndoHistory(Doc* doc, DocUndo* history) {
m_doc = doc;
m_undoHistory = history;
updateSavedState();
invalidate();
}
@ -94,6 +101,26 @@ public:
view->setViewScroll(scroll);
}
void updateSavedState() {
const auto oldIsAssociatedToFile = m_isAssociatedToFile;
const auto oldSavedState = m_savedState;
m_isAssociatedToFile =
(m_doc && m_undoHistory ?
m_doc->isAssociatedToFile() && !m_undoHistory->isSavedStateIsLost() :
false);
// Get the state where this sprite was saved.
m_savedState = nullptr;
if (m_undoHistory && m_isAssociatedToFile)
m_savedState = m_undoHistory->savedState();
if (oldIsAssociatedToFile != m_isAssociatedToFile ||
oldSavedState != m_savedState) {
invalidate();
}
}
obs::signal<void(const undo::UndoState*)> Change;
protected:
@ -283,6 +310,9 @@ public:
return;
auto style = theme->styles.listItem();
if (m_isAssociatedToFile && m_savedState == state) {
style = theme->styles.undoSavedItem();
}
ui::PaintWidgetPartInfo info;
info.text = &itemText;
@ -291,7 +321,10 @@ public:
}
UndoHistoryWindow* m_window;
Doc* m_doc = nullptr;
DocUndo* m_undoHistory = nullptr;
bool m_isAssociatedToFile = false;
const undo::UndoState* m_savedState = nullptr;
int m_itemHeight;
};
@ -348,7 +381,7 @@ private:
m_actions.invalidate();
}
catch (const std::exception& ex) {
selectState(m_doc->undoHistory()->currentState());
selectCurrentState();
Console::showException(ex);
}
}
@ -376,19 +409,24 @@ private:
++m_nitems;
m_actions.updateSavedState();
m_actions.invalidate();
view()->updateView();
selectState(history->currentState());
selectCurrentState();
}
void onDeleteUndoState(DocUndo* history,
undo::UndoState* state) override {
m_actions.updateSavedState();
--m_nitems;
}
void onCurrentUndoStateChange(DocUndo* history) override {
selectState(history->currentState());
selectCurrentState();
// TODO DocView should be an DocUndoObserver and update its state automatically
App::instance()->workspace()->updateTabs();
}
void onClearRedo(DocUndo* history) override {
@ -399,6 +437,10 @@ private:
updateTitle();
}
void onNewSavedState(DocUndo* history) override {
m_actions.updateSavedState();
}
void attachDocument(Doc* doc) {
if (m_doc == doc)
return;
@ -428,15 +470,15 @@ private:
void setUndoHistory(DocUndo* history) {
m_nitems = 0;
m_actions.setUndoHistory(history);
m_actions.setUndoHistory(m_doc, history);
view()->updateView();
if (history)
m_actions.selectState(history->currentState());
selectCurrentState();
}
void selectState(const undo::UndoState* state) {
m_actions.selectState(state);
void selectCurrentState() {
m_actions.selectState(m_doc->undoHistory()->currentState());
}
void updateTitle() {

4
src/app/commands/commands_list.h
View File

@ -19,6 +19,7 @@ FOR_EACH_COMMAND(ConvolutionMatrix)
FOR_EACH_COMMAND(CopyColors)
FOR_EACH_COMMAND(CopyTiles)
FOR_EACH_COMMAND(CropSprite)
FOR_EACH_COMMAND(DeselectMask)
FOR_EACH_COMMAND(Despeckle)
FOR_EACH_COMMAND(ExportSpriteSheet)
FOR_EACH_COMMAND(ExportTileset)
@ -30,6 +31,7 @@ FOR_EACH_COMMAND(ImportSpriteSheet)
FOR_EACH_COMMAND(InvertColor)
FOR_EACH_COMMAND(LayerFromBackground)
FOR_EACH_COMMAND(LoadPalette)
FOR_EACH_COMMAND(MaskAll)
FOR_EACH_COMMAND(MergeDownLayer)
FOR_EACH_COMMAND(MoveColors)
FOR_EACH_COMMAND(MoveTiles)
@ -66,7 +68,6 @@ FOR_EACH_COMMAND(Copy)
FOR_EACH_COMMAND(CopyCel)
FOR_EACH_COMMAND(CopyMerged)
FOR_EACH_COMMAND(Cut)
FOR_EACH_COMMAND(DeselectMask)
FOR_EACH_COMMAND(DiscardBrush)
FOR_EACH_COMMAND(DuplicateLayer)
FOR_EACH_COMMAND(DuplicateSprite)
@ -102,7 +103,6 @@ FOR_EACH_COMMAND(LayerProperties)
FOR_EACH_COMMAND(LayerVisibility)
FOR_EACH_COMMAND(LinkCels)
FOR_EACH_COMMAND(LoadMask)
FOR_EACH_COMMAND(MaskAll)
FOR_EACH_COMMAND(MaskByColor)
FOR_EACH_COMMAND(MaskContent)
FOR_EACH_COMMAND(ModifySelection)

6
src/app/doc.cpp
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@ -1,5 +1,5 @@
// Aseprite
// Copyright (C) 2018-2021 Igara Studio S.A.
// Copyright (C) 2018-2022 Igara Studio S.A.
// Copyright (C) 2001-2018 David Capello
//
// This program is distributed under the terms of
@ -276,7 +276,7 @@ void Doc::notifyLayerGroupCollapseChange(Layer* layer)
bool Doc::isModified() const
{
return !m_undo->isSavedState();
return !m_undo->isInSavedStateOrSimilar();
}
bool Doc::isAssociatedToFile() const
@ -286,8 +286,8 @@ bool Doc::isAssociatedToFile() const
void Doc::markAsSaved()
{
m_undo->markSavedState();
m_flags |= kAssociatedToFile;
m_undo->markSavedState();
}
void Doc::impossibleToBackToSavedState()

60
src/app/doc_undo.cpp
View File

@ -31,10 +31,6 @@ namespace app {
DocUndo::DocUndo()
: m_undoHistory(this)
, m_ctx(nullptr)
, m_totalUndoSize(0)
, m_savedCounter(0)
, m_savedStateIsLost(false)
{
}
@ -144,20 +140,65 @@ void DocUndo::clearRedo()
notify_observers(&DocUndoObserver::onClearRedo, this);
}
bool DocUndo::isSavedState() const
bool DocUndo::isInSavedStateOrSimilar() const
{
return (!m_savedStateIsLost && m_savedCounter == 0);
if (m_savedStateIsLost)
return false;
// Here we try to find if we can reach the saved state from the
// currentState() undoing or redoing and the sprite is exactly the
// same as the saved state, e.g. this can happen if the undo states
// don't modify the sprite (like actions that change the current
// selection/mask boundaries).
bool savedStateWithUndoes = true;
auto state = currentState();
while (state) {
if (m_savedState == state) {
return true;
}
else if (STATE_CMD(state)->doesChangeSavedState()) {
savedStateWithUndoes = false;
break;
}
state = state->prev();
}
// If we reached the end of the undo history (e.g. because all undo
// states do not modify the sprite), the only way to be in the saved
// state is if the initial point of history is the saved state too
// i.e. when m_savedState is nullptr (and m_savedStateIsLost is
// false).
if (savedStateWithUndoes && m_savedState == nullptr)
return true;
// Now we try with redoes.
state = (currentState() ? currentState()->next(): firstState());
while (state) {
if (STATE_CMD(state)->doesChangeSavedState()) {
return false;
}
else if (m_savedState == state) {
return true;
}
state = state->next();
}
return false;
}
void DocUndo::markSavedState()
{
m_savedCounter = 0;
m_savedState = currentState();
m_savedStateIsLost = false;
notify_observers(&DocUndoObserver::onNewSavedState, this);
}
void DocUndo::impossibleToBackToSavedState()
{
// Now there is no state related to the disk state.
m_savedState = nullptr;
m_savedStateIsLost = true;
notify_observers(&DocUndoObserver::onNewSavedState, this);
}
std::string DocUndo::nextUndoLabel() const
@ -270,6 +311,11 @@ void DocUndo::onDeleteUndoState(undo::UndoState* state)
m_totalUndoSize -= cmd->memSize();
notify_observers(&DocUndoObserver::onDeleteUndoState, this, state);
// Mark this document as impossible to match the version on disk
// because we're just going to delete the saved state.
if (m_savedState == state)
impossibleToBackToSavedState();
}
} // namespace app

42
src/app/doc_undo.h
View File

@ -44,10 +44,34 @@ namespace app {
void clearRedo();
bool isSavedState() const;
// Returns true we are in the UndoState that matches the sprite
// version on the disk (or we are in a similar state that doesn't
// modify that same state, e.g. if the current state modifies the
// selection but not the pixels, we are in a similar state)
bool isInSavedStateOrSimilar() const;
// Returns true if the saved state was lost, e.g. because we
// deleted the redo history and the saved state was there.
bool isSavedStateIsLost() const { return m_savedStateIsLost; }
// Marks current UndoState as the one that matches the sprite on
// the disk (this is used after saving the file).
void markSavedState();
// Indicates that now it's impossible to back to the version of
// the sprite that matches the saved version. This can be because
// the save process fails or because we deleted the redo history
// where the saved state was available.
void impossibleToBackToSavedState();
// Returns the position in the undo history where this sprite was
// saved, if this is nullptr, it means that the initial state is
// the saved state (if m_savedStateIsLost is false) or it means
// that there is no saved state (ifm_savedStateIsLost is true)
const undo::UndoState* savedState() const {
return m_savedState;
}
std::string nextUndoLabel() const;
std::string nextRedoLabel() const;
@ -58,8 +82,6 @@ namespace app {
Cmd* lastExecutedCmd() const;
int* savedCounter() { return &m_savedCounter; }
const undo::UndoState* firstState() const { return m_undoHistory.firstState(); }
const undo::UndoState* lastState() const { return m_undoHistory.lastState(); }
const undo::UndoState* currentState() const { return m_undoHistory.currentState(); }
@ -74,19 +96,13 @@ namespace app {
void onDeleteUndoState(undo::UndoState* state) override;
undo::UndoHistory m_undoHistory;
Context* m_ctx;
size_t m_totalUndoSize;
// This counter is equal to 0 if we are in the "saved state", i.e.
// the document on memory is equal to the document on disk. This
// value is less than 0 if we're in a past version of the document
// (due undoes), or greater than 0 if we are in a future version
// (due redoes).
int m_savedCounter;
const undo::UndoState* m_savedState = nullptr;
Context* m_ctx = nullptr;
size_t m_totalUndoSize = 0;
// True if the saved state was invalidated/corrupted/lost in some
// way. E.g. If the save process fails.
bool m_savedStateIsLost;
bool m_savedStateIsLost = false;
DISABLE_COPYING(DocUndo);
};

3
src/app/doc_undo_observer.h
View File

@ -1,5 +1,5 @@
// Aseprite
// Copyright (C) 2021 Igara Studio S.A.
// Copyright (C) 2021-2022 Igara Studio S.A.
// Copyright (C) 2015-2018 David Capello
//
// This program is distributed under the terms of
@ -26,6 +26,7 @@ namespace app {
virtual void onCurrentUndoStateChange(DocUndo* history) { }
virtual void onClearRedo(DocUndo* history) { }
virtual void onTotalUndoSizeChange(DocUndo* history) { }
virtual void onNewSavedState(DocUndo* history) { }
};
} // namespace app

9
src/app/script/sprite_class.cpp
View File

@ -617,6 +617,14 @@ int Sprite_get_filename(lua_State* L)
return 1;
}
int Sprite_get_isModified(lua_State* L)
{
auto sprite = get_docobj<Sprite>(L, 1);
Doc* doc = static_cast<Doc*>(sprite->document());
lua_pushboolean(L, doc->isModified());
return 1;
}
int Sprite_get_width(lua_State* L)
{
auto sprite = get_docobj<Sprite>(L, 1);
@ -854,6 +862,7 @@ const luaL_Reg Sprite_methods[] = {
const Property Sprite_properties[] = {
{ "filename", Sprite_get_filename, Sprite_set_filename },
{ "isModified", Sprite_get_isModified, nullptr },
{ "width", Sprite_get_width, Sprite_set_width },
{ "height", Sprite_get_height, Sprite_set_height },
{ "colorMode", Sprite_get_colorMode, nullptr },

5
src/app/transaction.cpp
View File

@ -1,5 +1,5 @@
// Aseprite
// Copyright (C) 2018-2019 Igara Studio S.A.
// Copyright (C) 2018-2022 Igara Studio S.A.
// Copyright (C) 2001-2018 David Capello
//
// This program is distributed under the terms of
@ -46,8 +46,7 @@ Transaction::Transaction(
m_undo = m_doc->undoHistory();
m_cmds = new CmdTransaction(label,
modification == Modification::ModifyDocument,
m_undo->savedCounter());
modification == Modification::ModifyDocument);
// Here we are executing an empty CmdTransaction, just to save the
// SpritePosition. Sub-cmds are executed then one by one, in

2
src/undo

@ -1 +1 @@
Subproject commit 3cf8f20d08bf38b06b8e0e75757a18e31ddb12d9
Subproject commit c868a0238973f04564253133c1cd3689f9aa3913

66
tests/scripts/sprite_modified.lua Normal file
View File

@ -0,0 +1,66 @@
-- Copyright (C) 2022 Igara Studio S.A.
--
-- This file is released under the terms of the MIT license.
-- Read LICENSE.txt for more information.
local fn = '_test_modified.png'
do
local doc = Sprite(2, 2)
-- New sprites are created without modifications (can be closed
-- without warning)
assert(not doc.isModified)
doc.width = 3
assert(doc.isModified)
app.undo()
assert(not doc.isModified)
app.redo()
assert(doc.isModified)
-- Not modified after it's saved
doc:saveAs(fn)
assert(not doc.isModified)
-- Modified if we undo the saved state
app.undo()
assert(doc.width == 2)
assert(doc.isModified)
app.redo()
assert(doc.width == 3)
assert(not doc.isModified)
-- Selection changes shouldn't change the modified flag
app.command.MaskAll()
assert(not doc.isModified)
app.command.DeselectMask()
assert(not doc.isModified)
doc:saveAs(fn)
assert(not doc.isModified)
app.undo() -- Undo Deselect
assert(not doc.isModified)
app.undo() -- Undo Select All
assert(not doc.isModified)
assert(doc.width == 3)
app.undo() -- Undo size change
assert(doc.isModified)
assert(doc.width == 2)
end
do
local doc = Sprite{ fromFile=fn }
-- Loaded sprites are created without modifications (can be closed
-- without warning)
assert(not doc.isModified)
app.command.MaskAll()
assert(not doc.isModified)
doc:saveAs(fn)
assert(not doc.isModified)
app.undo()
assert(not doc.isModified)
app.redo()
assert(not doc.isModified)
end