godot/editor/progress_dialog.cpp

267 lines
7.9 KiB
C++

/*************************************************************************/
/* progress_dialog.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "progress_dialog.h"
#include "core/message_queue.h"
#include "core/os/os.h"
#include "editor_scale.h"
#include "main/main.h"
void BackgroundProgress::_add_task(const String &p_task, const String &p_label, int p_steps) {
_THREAD_SAFE_METHOD_
ERR_FAIL_COND(tasks.has(p_task));
BackgroundProgress::Task t;
t.hb = memnew(HBoxContainer);
Label *l = memnew(Label);
l->set_text(p_label + " ");
t.hb->add_child(l);
t.progress = memnew(ProgressBar);
t.progress->set_max(p_steps);
t.progress->set_value(p_steps);
Control *ec = memnew(Control);
ec->set_h_size_flags(SIZE_EXPAND_FILL);
ec->set_v_size_flags(SIZE_EXPAND_FILL);
t.progress->set_anchors_and_margins_preset(Control::PRESET_WIDE);
ec->add_child(t.progress);
ec->set_custom_minimum_size(Size2(80, 5) * EDSCALE);
t.hb->add_child(ec);
add_child(t.hb);
tasks[p_task] = t;
}
void BackgroundProgress::_update() {
_THREAD_SAFE_METHOD_
for (Map<String, int>::Element *E = updates.front(); E; E = E->next()) {
if (tasks.has(E->key())) {
_task_step(E->key(), E->get());
}
}
updates.clear();
}
void BackgroundProgress::_task_step(const String &p_task, int p_step) {
_THREAD_SAFE_METHOD_
ERR_FAIL_COND(!tasks.has(p_task));
Task &t = tasks[p_task];
if (p_step < 0)
t.progress->set_value(t.progress->get_value() + 1);
else
t.progress->set_value(p_step);
}
void BackgroundProgress::_end_task(const String &p_task) {
_THREAD_SAFE_METHOD_
ERR_FAIL_COND(!tasks.has(p_task));
Task &t = tasks[p_task];
memdelete(t.hb);
tasks.erase(p_task);
}
void BackgroundProgress::_bind_methods() {
ClassDB::bind_method("_add_task", &BackgroundProgress::_add_task);
ClassDB::bind_method("_task_step", &BackgroundProgress::_task_step);
ClassDB::bind_method("_end_task", &BackgroundProgress::_end_task);
ClassDB::bind_method("_update", &BackgroundProgress::_update);
}
void BackgroundProgress::add_task(const String &p_task, const String &p_label, int p_steps) {
MessageQueue::get_singleton()->push_call(this, "_add_task", p_task, p_label, p_steps);
}
void BackgroundProgress::task_step(const String &p_task, int p_step) {
//this code is weird, but it prevents deadlock.
bool no_updates = true;
{
_THREAD_SAFE_METHOD_
no_updates = updates.empty();
}
if (no_updates)
MessageQueue::get_singleton()->push_call(this, "_update");
{
_THREAD_SAFE_METHOD_
updates[p_task] = p_step;
}
}
void BackgroundProgress::end_task(const String &p_task) {
MessageQueue::get_singleton()->push_call(this, "_end_task", p_task);
}
////////////////////////////////////////////////
ProgressDialog *ProgressDialog::singleton = NULL;
void ProgressDialog::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_DRAW: {
Ref<StyleBox> style = get_stylebox("panel", "PopupMenu");
draw_style_box(style, Rect2(Point2(), get_size()));
} break;
}
}
void ProgressDialog::_popup() {
Size2 ms = main->get_combined_minimum_size();
ms.width = MAX(500 * EDSCALE, ms.width);
Ref<StyleBox> style = get_stylebox("panel", "PopupMenu");
ms += style->get_minimum_size();
main->set_margin(MARGIN_LEFT, style->get_margin(MARGIN_LEFT));
main->set_margin(MARGIN_RIGHT, -style->get_margin(MARGIN_RIGHT));
main->set_margin(MARGIN_TOP, style->get_margin(MARGIN_TOP));
main->set_margin(MARGIN_BOTTOM, -style->get_margin(MARGIN_BOTTOM));
popup_centered(ms);
}
void ProgressDialog::add_task(const String &p_task, const String &p_label, int p_steps, bool p_can_cancel) {
if (MessageQueue::get_singleton()->is_flushing()) {
ERR_PRINT("Do not use progress dialog (task) while flushing the message queue or using call_deferred()!");
return;
}
ERR_FAIL_COND(tasks.has(p_task));
ProgressDialog::Task t;
t.vb = memnew(VBoxContainer);
VBoxContainer *vb2 = memnew(VBoxContainer);
t.vb->add_margin_child(p_label, vb2);
t.progress = memnew(ProgressBar);
t.progress->set_max(p_steps);
t.progress->set_value(p_steps);
vb2->add_child(t.progress);
t.state = memnew(Label);
t.state->set_clip_text(true);
vb2->add_child(t.state);
main->add_child(t.vb);
tasks[p_task] = t;
if (p_can_cancel) {
cancel_hb->show();
} else {
cancel_hb->hide();
}
cancel_hb->raise();
cancelled = false;
_popup();
if (p_can_cancel) {
cancel->grab_focus();
}
}
bool ProgressDialog::task_step(const String &p_task, const String &p_state, int p_step, bool p_force_redraw) {
ERR_FAIL_COND_V(!tasks.has(p_task), cancelled);
if (!p_force_redraw) {
uint64_t tus = OS::get_singleton()->get_ticks_usec();
if (tus - last_progress_tick < 200000) //200ms
return cancelled;
}
Task &t = tasks[p_task];
if (p_step < 0)
t.progress->set_value(t.progress->get_value() + 1);
else
t.progress->set_value(p_step);
t.state->set_text(p_state);
last_progress_tick = OS::get_singleton()->get_ticks_usec();
if (cancel_hb->is_visible()) {
OS::get_singleton()->force_process_input();
}
Main::iteration(); // this will not work on a lot of platforms, so it's only meant for the editor
return cancelled;
}
void ProgressDialog::end_task(const String &p_task) {
ERR_FAIL_COND(!tasks.has(p_task));
Task &t = tasks[p_task];
memdelete(t.vb);
tasks.erase(p_task);
if (tasks.empty())
hide();
else
_popup();
}
void ProgressDialog::_cancel_pressed() {
cancelled = true;
}
void ProgressDialog::_bind_methods() {
ClassDB::bind_method("_cancel_pressed", &ProgressDialog::_cancel_pressed);
}
ProgressDialog::ProgressDialog() {
main = memnew(VBoxContainer);
add_child(main);
main->set_anchors_and_margins_preset(Control::PRESET_WIDE);
set_exclusive(true);
last_progress_tick = 0;
singleton = this;
cancel_hb = memnew(HBoxContainer);
main->add_child(cancel_hb);
cancel_hb->hide();
cancel = memnew(Button);
cancel_hb->add_spacer();
cancel_hb->add_child(cancel);
cancel->set_text(TTR("Cancel"));
cancel_hb->add_spacer();
cancel->connect("pressed", this, "_cancel_pressed");
}