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essence-os
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script console: clearing output

This commit is contained in:
nakst 2022-02-07 10:53:11 +00:00
parent dab1cf3efa
commit 27b2c00b97
1 changed files with 32 additions and 2 deletions
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34
apps/script_console.cpp
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@ -1,14 +1,18 @@
#define ES_INSTANCE_TYPE Instance
#include <essence.h>
#include <shared/array.cpp>
// TODO Check for heap allocation leaks.
struct Instance : EsInstance {
EsCommand commandClearOutput;
EsThreadInformation scriptThread;
char *inputText;
size_t inputBytes;
EsPanel *root;
EsElement *defaultPrefixDisplay;
EsPanel *inputRow;
EsPanel *outputPanel;
EsSpacer *outputDecoration;
@ -19,6 +23,8 @@ struct Instance : EsInstance {
size_t outputLineBufferAllocated;
bool anyOutput;
bool gotREPLResult;
Array<EsElement *> outputElements;
};
void AddPrompt(Instance *instance);
@ -755,6 +761,7 @@ void ScriptThread(EsGeneric _instance) {
if (!instance->anyOutput) {
EsElementDestroy(EsElementGetLayoutParent(instance->outputPanel));
instance->outputPanel = nullptr;
} else {
instance->anyOutput = false;
}
@ -767,7 +774,7 @@ void ScriptThread(EsGeneric _instance) {
EsSpacerChangeStyle(instance->outputDecoration, &styleOutputDecorationFailure);
}
EsSpacerCreate(instance->root, ES_CELL_H_FILL, &styleInterCommandSpacer);
instance->outputElements.Add(EsSpacerCreate(instance->root, ES_CELL_H_FILL, &styleInterCommandSpacer));
AddPrompt(instance);
EsMessageMutexRelease();
@ -776,15 +783,19 @@ void ScriptThread(EsGeneric _instance) {
void EnterCommand(Instance *instance) {
EsAssert(instance->inputTextbox);
EsAssert(instance->inputRow);
EsAssert(instance->defaultPrefixDisplay);
size_t dataBytes;
char *data = EsTextboxGetContents(instance->inputTextbox, &dataBytes, ES_FLAGS_DEFAULT);
EsElementDestroy(instance->inputRow);
instance->outputElements.Add(instance->defaultPrefixDisplay);
instance->inputTextbox = nullptr;
instance->inputRow = nullptr;
instance->defaultPrefixDisplay = nullptr;
EsPanel *commandLogRow = EsPanelCreate(instance->root, ES_CELL_H_FILL | ES_PANEL_STACK | ES_PANEL_HORIZONTAL, &styleInputRow);
EsTextDisplayCreate(commandLogRow, ES_FLAGS_DEFAULT, &stylePromptText, "\u2661");
EsTextDisplayCreate(commandLogRow, ES_CELL_H_FILL, &styleCommandLogText, data, dataBytes);
instance->outputElements.Add(commandLogRow);
EsAssert(!instance->outputPanel);
EsAssert(!instance->outputDecoration);
@ -839,12 +850,17 @@ void AddOutput(Instance *instance, const char *text, size_t textBytes) {
}
void AddPrompt(Instance *instance) {
if (instance->outputPanel) {
instance->outputElements.Add(EsElementGetLayoutParent(instance->outputPanel));
}
EsAssert(!instance->inputTextbox);
EsAssert(!instance->inputRow);
EsAssert(!instance->defaultPrefixDisplay);
instance->outputPanel = nullptr;
instance->outputDecoration = nullptr;
EsTextDisplayCreate(instance->root, ES_CELL_H_FILL, &stylePathDefaultPrefixDisplay, "Essence HD (0:)");
instance->defaultPrefixDisplay = EsTextDisplayCreate(instance->root, ES_CELL_H_FILL, &stylePathDefaultPrefixDisplay, "Essence HD (0:)");
instance->inputRow = EsPanelCreate(instance->root, ES_CELL_H_FILL | ES_PANEL_STACK | ES_PANEL_HORIZONTAL, &styleInputRow);
EsTextDisplayCreate(instance->inputRow, ES_FLAGS_DEFAULT, &stylePromptText, "\u2665");
instance->inputTextbox = EsTextboxCreate(instance->inputRow, ES_CELL_H_FILL, &styleInputTextbox);
@ -853,10 +869,19 @@ void AddPrompt(Instance *instance) {
EsElementFocus(instance->inputTextbox, ES_ELEMENT_FOCUS_ENSURE_VISIBLE);
}
void CommandClearOutput(Instance *instance, EsElement *, EsCommand *) {
for (uintptr_t i = 0; i < instance->outputElements.Length(); i++) {
EsElementDestroy(instance->outputElements[i]);
}
instance->outputElements.Free();
}
int InstanceCallback(Instance *instance, EsMessage *message) {
if (message->type == ES_MSG_INSTANCE_DESTROY) {
// TODO Stopping the script thread.
EsHeapFree(instance->outputLineBuffer);
instance->outputElements.Free();
}
return 0;
@ -879,11 +904,16 @@ void _start() {
if (message->type == ES_MSG_INSTANCE_CREATE) {
Instance *instance = EsInstanceCreate(message, "Script Console", -1);
instance->callback = InstanceCallback;
EsCommandRegister(&instance->commandClearOutput, instance, EsLiteral("Clear output"), CommandClearOutput,
1 /* stableID */, "Ctrl+Shift+L", true /* enabled */);
EsWindowSetIcon(instance->window, ES_ICON_UTILITIES_TERMINAL);
EsPanel *wrapper = EsPanelCreate(instance->window, ES_CELL_FILL, ES_STYLE_PANEL_WINDOW_DIVIDER);
EsPanel *background = EsPanelCreate(wrapper, ES_CELL_FILL | ES_PANEL_V_SCROLL_AUTO, &styleBackground);
instance->root = EsPanelCreate(background, ES_CELL_H_FILL | ES_PANEL_STACK | ES_PANEL_VERTICAL, &styleRoot);
AddPrompt(instance);
EsElement *toolbar = EsWindowGetToolbar(instance->window);
EsCommandAddButton(&instance->commandClearOutput,
EsButtonCreate(toolbar, ES_FLAGS_DEFAULT, ES_NULL, EsLiteral("Clear output")));
}
}
}