add stuff for text expansion

src/CMakeLists.txt

@@ -8,6 +8,7 @@ set(libinputactions_SRCS
     libinputactions/actions/CustomAction.cpp
     libinputactions/actions/InputAction.cpp
     libinputactions/actions/PlasmaGlobalShortcutAction.cpp
+    libinputactions/actions/ReplaceTextAction.cpp
     libinputactions/actions/SleepAction.cpp
     libinputactions/actions/TriggerAction.cpp
     libinputactions/config/parsers/base.cpp
@@ -27,6 +28,7 @@ set(libinputactions_SRCS
     libinputactions/config/GlobalConfig.cpp
     libinputactions/config/Node.cpp
     libinputactions/config/TextPosition.cpp
+    libinputactions/conditions/CanReplaceTextCondition.cpp
     libinputactions/conditions/Condition.cpp
     libinputactions/conditions/ConditionGroup.cpp
     libinputactions/conditions/CustomCondition.cpp
@@ -75,7 +77,7 @@ set(libinputactions_SRCS
     libinputactions/interfaces/PointerPositionSetter.h
     libinputactions/interfaces/ProcessRunner.cpp
     libinputactions/interfaces/SessionLock.h
-    libinputactions/interfaces/TextInput.h
+    libinputactions/interfaces/TextInput.cpp
     libinputactions/interfaces/Window.h
     libinputactions/interfaces/WindowProvider.cpp
     libinputactions/triggers/core/DirectionalMotionTriggerCore.cpp

src/libinputactions/InputActionsMain.cpp

@@ -114,7 +114,7 @@ void InputActionsMain::registerGlobalVariables(VariableManager *variableManager,
         value = g_cursorShapeProvider->cursorShape();
     });
     variableManager->registerLocalVariable(BuiltinVariables::DeviceName);
-    for (auto i = 1; i <= s_fingerVariableCount; i++) {
+    for (auto i = 1; i <= FINGER_VARIABLE_COUNT; i++) {
         variableManager->registerLocalVariable<QPointF>(QString("finger_%1_initial_position_percentage").arg(i));
         variableManager->registerLocalVariable<QPointF>(QString("finger_%1_position_percentage").arg(i));
         variableManager->registerLocalVariable<qreal>(QString("finger_%1_pressure").arg(i));
@@ -123,6 +123,9 @@ void InputActionsMain::registerGlobalVariables(VariableManager *variableManager,
     variableManager->registerRemoteVariable<Qt::KeyboardModifiers>(BuiltinVariables::KeyboardModifiers, [](auto &value) {
         value = g_inputBackend->keyboardModifiers();
     });
+    for (auto i = 0; i < REGEX_MATCH_VARIABLE_COUNT; i++) {
+        variableManager->registerLocalVariable<QString>(QString("match_%1").arg(i));
+    }
     variableManager->registerLocalVariable(BuiltinVariables::LastTriggerId);
     variableManager->registerLocalVariable(BuiltinVariables::LastTriggerTimestamp, true);
     variableManager->registerRemoteVariable<QPointF>("pointer_position_screen_percentage", [pointerPositionGetter](auto &value) {

src/libinputactions/actions/ReplaceTextAction.cpp

@@ -0,0 +1,66 @@
+/*
+    Input Actions - Input handler that executes user-defined actions
+    Copyright (C) 2024-2026 Marcin Woźniak
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include "ReplaceTextAction.h"
+#include <libinputactions/helpers/QThread.h>
+#include <libinputactions/interfaces/TextInput.h>
+
+namespace InputActions
+{
+
+ReplaceTextAction::ReplaceTextAction(std::vector<TextSubstitutionRule> rules)
+    : m_rules(std::move(rules))
+{
+}
+
+void ReplaceTextAction::executeImpl(const ActionExecutionArguments &args)
+{
+    TextSubstitutionRule *rule{};
+    QThreadHelpers::runOnThread(
+        QThreadHelpers::mainThread(),
+        [this, &rule] {
+            if (const auto it = std::ranges::find_if(m_rules,
+                                                     [](const auto &rule) {
+                                                         return g_textInput->canReplaceSurroundingText(rule.regex());
+                                                     });
+                it != m_rules.end()) {
+                rule = &(*it);
+            }
+        },
+        true);
+    if (!rule) {
+        return;
+    }
+
+    g_textInput->replaceSurroundingText(rule->regex(), rule->newText());
+}
+
+bool ReplaceTextAction::async() const
+{
+    return std::ranges::any_of(m_rules, [](const auto &rule) {
+        return g_textInput->canReplaceSurroundingText(rule.regex()) && rule.newText().expensive();
+    });
+}
+
+TextSubstitutionRule::TextSubstitutionRule(QRegularExpression regex, Value<QString> newText)
+    : m_regex(std::move(regex))
+    , m_newText(std::move(newText))
+{
+}
+
+}

src/libinputactions/actions/ReplaceTextAction.h

@@ -0,0 +1,59 @@
+/*
+    Input Actions - Input handler that executes user-defined actions
+    Copyright (C) 2024-2026 Marcin Woźniak
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include "Action.h"
+#include <QString>
+#include <libinputactions/Value.h>
+#include <qregularexpression.h>
+
+namespace InputActions
+{
+
+class TextSubstitutionRule
+{
+public:
+    TextSubstitutionRule() = default;
+    TextSubstitutionRule(QRegularExpression regex, Value<QString> newText);
+
+    const QRegularExpression &regex() const { return m_regex; }
+    const Value<QString> &newText() const { return m_newText; }
+
+private:
+    QRegularExpression m_regex;
+    Value<QString> m_newText;
+};
+
+class ReplaceTextAction : public Action
+{
+public:
+    ReplaceTextAction(std::vector<TextSubstitutionRule> rules);
+
+    const std::vector<TextSubstitutionRule> &rules() const { return m_rules; }
+
+    bool async() const override;
+
+protected:
+    void executeImpl(const ActionExecutionArguments &args) override;
+
+private:
+    std::vector<TextSubstitutionRule> m_rules;
+};
+
+}

src/libinputactions/conditions/CanReplaceTextCondition.cpp

@@ -0,0 +1,40 @@
+/*
+    Input Actions - Input handler that executes user-defined actions
+    Copyright (C) 2024-2026 Marcin Woźniak
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include "CanReplaceTextCondition.h"
+#include <libinputactions/actions/ReplaceTextAction.h>
+#include <libinputactions/interfaces/TextInput.h>
+
+namespace InputActions
+{
+
+CanReplaceTextCondition::CanReplaceTextCondition(std::vector<TextSubstitutionRule> rules)
+    : m_rules(std::move(rules))
+{
+}
+
+CanReplaceTextCondition::~CanReplaceTextCondition() = default;
+
+bool CanReplaceTextCondition::evaluateImpl(const ConditionEvaluationArguments &arguments)
+{
+    return std::ranges::any_of(m_rules, [](const auto &rule) {
+        return g_textInput->canReplaceSurroundingText(rule.regex());
+    });
+}
+
+}

src/libinputactions/conditions/CanReplaceTextCondition.h

@@ -0,0 +1,43 @@
+/*
+    Input Actions - Input handler that executes user-defined actions
+    Copyright (C) 2024-2026 Marcin Woźniak
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include "Condition.h"
+
+namespace InputActions
+{
+
+class TextSubstitutionRule;
+
+class CanReplaceTextCondition : public Condition
+{
+public:
+    CanReplaceTextCondition(std::vector<TextSubstitutionRule> rules);
+    ~CanReplaceTextCondition() override;
+
+    const std::vector<TextSubstitutionRule> &rules() const { return m_rules; }
+
+protected:
+    bool evaluateImpl(const ConditionEvaluationArguments &arguments) override;
+
+private:
+    std::vector<TextSubstitutionRule> m_rules;
+};
+
+}

src/libinputactions/config/parsers/core.cpp

@@ -31,8 +31,10 @@
 #include <libinputactions/actions/CommandAction.h>
 #include <libinputactions/actions/InputAction.h>
 #include <libinputactions/actions/PlasmaGlobalShortcutAction.h>
+#include <libinputactions/actions/ReplaceTextAction.h>
 #include <libinputactions/actions/SleepAction.h>
 #include <libinputactions/actions/TriggerAction.h>
+#include <libinputactions/conditions/CanReplaceTextCondition.h>
 #include <libinputactions/conditions/ConditionGroup.h>
 #include <libinputactions/conditions/VariableCondition.h>
 #include <libinputactions/config/ConfigIssue.h>
@@ -154,6 +156,8 @@ void NodeParser<std::unique_ptr<Action>>::parse(const Node *node, std::unique_pt
     } else if (const auto *plasmaShortcutNode = node->at("plasma_shortcut")) {
         const auto shortcut = parseSeparatedString2<QString>(plasmaShortcutNode, ',');
         result = std::make_unique<PlasmaGlobalShortcutAction>(shortcut.first, shortcut.second);
+    } else if (const auto *replaceTextNode = node->at("replace_text")) {
+        result = std::make_unique<ReplaceTextAction>(replaceTextNode->as<std::vector<TextSubstitutionRule>>(true));
     } else if (const auto *sleepActionNode = node->at("sleep")) {
         result = std::make_unique<SleepAction>(sleepActionNode->as<std::chrono::milliseconds>());
     } else if (const auto *oneNode = node->at("one")) {
@@ -218,6 +222,10 @@ std::shared_ptr<Condition> parseCondition(const Node *node, const VariableManage
             return group;
         }
 
+        if (const auto *canReplaceTextNode = node->at("can_replace_text")) {
+            return std::make_shared<CanReplaceTextCondition>(canReplaceTextNode->as<std::vector<TextSubstitutionRule>>(true));
+        }
+
         if (isLegacy(node)) {
             g_configIssueManager->addIssue(DeprecatedFeatureConfigIssue(node, DeprecatedFeature::LegacyConditions));
 
@@ -576,6 +584,14 @@ struct NodeParser<Range<T>>
 };
 template struct NodeParser<Range<qreal>>;
 
+template<>
+void NodeParser<TextSubstitutionRule>::parse(const Node *node, TextSubstitutionRule &result)
+{
+    const auto regex = node->at("regex", true)->as<QRegularExpression>();
+    const auto newText = node->at("replace", true)->as<Value<QString>>();
+    result = {regex, newText};
+}
+
 template<>
 void NodeParser<std::unique_ptr<TriggerAction>>::parse(const Node *node, std::unique_ptr<TriggerAction> &result)
 {

src/libinputactions/handlers/MultiTouchMotionTriggerHandler.cpp

@@ -105,7 +105,7 @@ void MultiTouchMotionTriggerHandler::updateVariables(const InputDevice *sender)
     bool hasThumb{};
 
     const auto touchPoints = sender ? sender->physicalState().validTouchPoints() : std::vector<const TouchPoint *>();
-    for (size_t i = 0; i < s_fingerVariableCount; i++) {
+    for (size_t i = 0; i < FINGER_VARIABLE_COUNT; i++) {
         const auto fingerVariableNumber = i + 1;
         auto initialPosition = g_variableManager->getVariable<QPointF>(QString("finger_%1_initial_position_percentage").arg(fingerVariableNumber));
         auto position = g_variableManager->getVariable<QPointF>(QString("finger_%1_position_percentage").arg(fingerVariableNumber));

src/libinputactions/interfaces/TextInput.cpp

@@ -0,0 +1,77 @@
+/*
+    Input Actions - Input handler that executes user-defined actions
+    Copyright (C) 2024-2026 Marcin Woźniak
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include "TextInput.h"
+#include <libinputactions/helpers/QThread.h>
+#include <libinputactions/variables/VariableManager.h>
+
+namespace InputActions
+{
+
+bool TextInput::canReplaceSurroundingText(const QRegularExpression &regex)
+{
+    const auto text = surroundingText();
+    if (!text) {
+        return false;
+    }
+
+    const auto match = regex.match(text.value());
+    if (!match.hasMatch()) {
+        return false;
+    }
+
+    const auto cursorPos = surroundingTextCursorPosition();
+    return !cursorPos || cursorPos == match.capturedEnd();
+}
+
+void TextInput::replaceSurroundingText(const QRegularExpression &regex, const Value<QString> &newText)
+{
+    uint32_t capturedLength{};
+    QThreadHelpers::runOnThread(
+        QThreadHelpers::mainThread(),
+        [this, &regex, &capturedLength]() {
+            const auto match = regex.match(surroundingText().value());
+            capturedLength = match.capturedLength();
+
+            for (auto i = 0; i < REGEX_MATCH_VARIABLE_COUNT; i++) {
+                auto *variable = g_variableManager->getVariable(QString("match_%1").arg(i));
+                if (i > match.lastCapturedIndex()) {
+                    variable->set({});
+                    continue;
+                }
+
+                variable->set(match.capturedTexts()[i]);
+            }
+        },
+        true);
+
+    const auto text = newText.get();
+    if (!text) {
+        return;
+    }
+
+    QThreadHelpers::runOnThread(
+        QThreadHelpers::mainThread(),
+        [this, capturedLength, &text = text.value()]() {
+            deleteSurroundingText(capturedLength, 0);
+            writeText(text);
+        },
+        true);
+}
+
+}