some creepy file attaching gui, not sending yet

2019-09-19 17:31:27 +03:00 · 2019-09-19 17:31:27 +03:00 · 100b2e8943
commit 100b2e8943
parent 2089d6af86
12 changed files with 424 additions and 6 deletions
--- a/ui/utils/flowlayout.cpp
+++ b/ui/utils/flowlayout.cpp
@ -0,0 +1,172 @@
+/*
+ * Squawk messenger. 
+ * Copyright (C) 2019 Yury Gubich <blue@macaw.me>
+ * 
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include "flowlayout.h"
+
+FlowLayout::FlowLayout(QWidget *parent, int margin, int hSpacing, int vSpacing): 
+    QLayout(parent),
+    m_hSpace(hSpacing), 
+    m_vSpace(vSpacing)
+{
+    setContentsMargins(margin, margin, margin, margin);
+}
+
+FlowLayout::FlowLayout(int margin, int hSpacing, int vSpacing): 
+    m_hSpace(hSpacing), 
+    m_vSpace(vSpacing)
+{
+    setContentsMargins(margin, margin, margin, margin);
+}
+
+FlowLayout::~FlowLayout()
+{
+    QLayoutItem *item;
+    while ((item = takeAt(0))) {
+        delete item;
+    }
+}
+
+void FlowLayout::addItem(QLayoutItem *item)
+{
+    itemList.append(item);
+}
+
+int FlowLayout::horizontalSpacing() const
+{
+    if (m_hSpace >= 0) {
+        return m_hSpace;
+    } else {
+        return smartSpacing(QStyle::PM_LayoutHorizontalSpacing);
+    }
+}
+
+int FlowLayout::verticalSpacing() const
+{
+    if (m_vSpace >= 0) {
+        return m_vSpace;
+    } else {
+        return smartSpacing(QStyle::PM_LayoutVerticalSpacing);
+    }
+}
+
+int FlowLayout::count() const
+{
+    return itemList.size();
+}
+
+QLayoutItem *FlowLayout::itemAt(int index) const
+{
+    return itemList.value(index);
+}
+
+QLayoutItem *FlowLayout::takeAt(int index)
+{
+    if (index >= 0 && index < itemList.size()) {
+        return itemList.takeAt(index);
+    }
+    return nullptr;
+}
+
+Qt::Orientations FlowLayout::expandingDirections() const
+{
+    return 0;
+}
+
+bool FlowLayout::hasHeightForWidth() const
+{
+    return true;
+}
+
+int FlowLayout::heightForWidth(int width) const
+{
+    int height = doLayout(QRect(0, 0, width, 0), true);
+    return height;
+}
+
+void FlowLayout::setGeometry(const QRect &rect)
+{
+    QLayout::setGeometry(rect);
+    doLayout(rect, false);
+}
+
+QSize FlowLayout::sizeHint() const
+{
+    return minimumSize();
+}
+
+QSize FlowLayout::minimumSize() const
+{
+    QSize size;
+    for (const QLayoutItem *item : qAsConst(itemList)) {
+        size = size.expandedTo(item->minimumSize());
+    }
+
+    const QMargins margins = contentsMargins();
+    size += QSize(margins.left() + margins.right(), margins.top() + margins.bottom());
+    return size;
+}
+
+int FlowLayout::doLayout(const QRect &rect, bool testOnly) const
+{
+    int left, top, right, bottom;
+    getContentsMargins(&left, &top, &right, &bottom);
+    QRect effectiveRect = rect.adjusted(+left, +top, -right, -bottom);
+    int x = effectiveRect.x();
+    int y = effectiveRect.y();
+    int lineHeight = 0;
+    
+    for (QLayoutItem *item : qAsConst(itemList)) {
+        const QWidget *wid = item->widget();
+        int spaceX = horizontalSpacing();
+        if (spaceX == -1) {
+            spaceX = wid->style()->layoutSpacing(QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Horizontal);
+        }
+        int spaceY = verticalSpacing();
+        if (spaceY == -1) {
+            spaceY = wid->style()->layoutSpacing(QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Vertical);
+        }
+        int nextX = x + item->sizeHint().width() + spaceX;
+        if (nextX - spaceX > effectiveRect.right() && lineHeight > 0) {
+            x = effectiveRect.x();
+            y = y + lineHeight + spaceY;
+            nextX = x + item->sizeHint().width() + spaceX;
+            lineHeight = 0;
+        }
+
+        if (!testOnly) {
+            item->setGeometry(QRect(QPoint(x, y), item->sizeHint()));
+        }
+
+        x = nextX;
+        lineHeight = qMax(lineHeight, item->sizeHint().height());
+    }
+    return y + lineHeight - rect.y() + bottom;
+}
+
+int FlowLayout::smartSpacing(QStyle::PixelMetric pm) const
+{
+    QObject *parent = this->parent();
+    if (!parent) {
+        return -1;
+    } else if (parent->isWidgetType()) {
+        QWidget *pw = static_cast<QWidget *>(parent);
+        return pw->style()->pixelMetric(pm, nullptr, pw);
+    } else {
+        return static_cast<QLayout *>(parent)->spacing();
+    }
+}