From c5adf8f267b2b4b633af2738c8f21005d4382496 Mon Sep 17 00:00:00 2001
From: Jonas Schnelli <dev@jonasschnelli.ch>
Date: Fri, 6 Jan 2017 10:42:27 +0100
Subject: [PATCH 1/3] [Qt] Show more significant warning if we fall back to the
 default fee

---
 src/qt/forms/sendcoinsdialog.ui | 20 ++++++++++++++++++++
 src/qt/sendcoinsdialog.cpp      |  2 ++
 2 files changed, 22 insertions(+)

diff --git a/src/qt/forms/sendcoinsdialog.ui b/src/qt/forms/sendcoinsdialog.ui
index ca8ecffaf..2eb3276a8 100644
--- a/src/qt/forms/sendcoinsdialog.ui
+++ b/src/qt/forms/sendcoinsdialog.ui
@@ -759,11 +759,31 @@
             </item>
            </layout>
           </item>
+          <item>
+           <widget class="QLabel" name="fallbackFeeWarningLabel">
+            <property name="toolTip">
+             <string>Using the fallbackfee can result in sending a transaction that will take serval hours or days (or never) to confirm. Consider choosing your fee manually or wait until your have validated the complete chain.</string>
+            </property>
+            <property name="styleSheet">
+             <string notr="true">color: rgb(255, 150, 0);
+font-weight: bold;</string>
+            </property>
+            <property name="text">
+             <string>Warning: Fee estimation is currently not possible.</string>
+            </property>
+            <property name="wordWrap">
+             <bool>false</bool>
+            </property>
+           </widget>
+          </item>
           <item>
            <spacer name="horizontalSpacer_4">
             <property name="orientation">
              <enum>Qt::Horizontal</enum>
             </property>
+            <property name="sizeType">
+             <enum>QSizePolicy::MinimumExpanding</enum>
+            </property>
             <property name="sizeHint" stdset="0">
              <size>
               <width>40</width>
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index 5aeda7a30..6180107b0 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -655,6 +655,7 @@ void SendCoinsDialog::updateSmartFeeLabel()
                                                                 std::max(CWallet::fallbackFee.GetFeePerK(), CWallet::GetRequiredFee(1000))) + "/kB");
         ui->labelSmartFee2->show(); // (Smart fee not initialized yet. This usually takes a few blocks...)
         ui->labelFeeEstimation->setText("");
+        ui->fallbackFeeWarningLabel->setVisible(true);
     }
     else
     {
@@ -662,6 +663,7 @@ void SendCoinsDialog::updateSmartFeeLabel()
                                                                 std::max(feeRate.GetFeePerK(), CWallet::GetRequiredFee(1000))) + "/kB");
         ui->labelSmartFee2->hide();
         ui->labelFeeEstimation->setText(tr("Estimated to begin confirmation within %n block(s).", "", estimateFoundAtBlocks));
+        ui->fallbackFeeWarningLabel->setVisible(false);
     }
 
     updateFeeMinimizedLabel();

From 3e4d7bfcb7d9f6d88b6120f44bb6cb7fa93d7adf Mon Sep 17 00:00:00 2001
From: Luke Dashjr <luke-jr+git@utopios.org>
Date: Fri, 17 Feb 2017 08:18:32 +0000
Subject: [PATCH 2/3] Qt/Send: Figure a decent warning colour from theme

---
 src/qt/forms/sendcoinsdialog.ui | 8 +++++---
 src/qt/sendcoinsdialog.cpp      | 3 +++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/qt/forms/sendcoinsdialog.ui b/src/qt/forms/sendcoinsdialog.ui
index 2eb3276a8..ca2da6bf3 100644
--- a/src/qt/forms/sendcoinsdialog.ui
+++ b/src/qt/forms/sendcoinsdialog.ui
@@ -764,9 +764,11 @@
             <property name="toolTip">
              <string>Using the fallbackfee can result in sending a transaction that will take serval hours or days (or never) to confirm. Consider choosing your fee manually or wait until your have validated the complete chain.</string>
             </property>
-            <property name="styleSheet">
-             <string notr="true">color: rgb(255, 150, 0);
-font-weight: bold;</string>
+            <property name="font">
+            <font>
+                <weight>75</weight>
+                <bold>true</bold>
+            </font>
             </property>
             <property name="text">
              <string>Warning: Fee estimation is currently not possible.</string>
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index 6180107b0..d39f92dda 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -656,6 +656,9 @@ void SendCoinsDialog::updateSmartFeeLabel()
         ui->labelSmartFee2->show(); // (Smart fee not initialized yet. This usually takes a few blocks...)
         ui->labelFeeEstimation->setText("");
         ui->fallbackFeeWarningLabel->setVisible(true);
+        int lightness = ui->fallbackFeeWarningLabel->palette().color(QPalette::WindowText).lightness();
+        QColor warning_colour(255 - (lightness / 5), 176 - (lightness / 3), 48 - (lightness / 14));
+        ui->fallbackFeeWarningLabel->setStyleSheet("QLabel { color: " + warning_colour.name() + "; }");
     }
     else
     {

From 7abe7bbf61d90dc003647f2cc5019e4652182399 Mon Sep 17 00:00:00 2001
From: Luke Dashjr <luke-jr+git@utopios.org>
Date: Fri, 17 Feb 2017 08:41:57 +0000
Subject: [PATCH 3/3] Qt/Send: Give fallback fee a reasonable indent

---
 src/qt/sendcoinsdialog.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index d39f92dda..39f828501 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -22,6 +22,7 @@
 #include "txmempool.h"
 #include "wallet/wallet.h"
 
+#include <QFontMetrics>
 #include <QMessageBox>
 #include <QScrollBar>
 #include <QSettings>
@@ -659,6 +660,7 @@ void SendCoinsDialog::updateSmartFeeLabel()
         int lightness = ui->fallbackFeeWarningLabel->palette().color(QPalette::WindowText).lightness();
         QColor warning_colour(255 - (lightness / 5), 176 - (lightness / 3), 48 - (lightness / 14));
         ui->fallbackFeeWarningLabel->setStyleSheet("QLabel { color: " + warning_colour.name() + "; }");
+        ui->fallbackFeeWarningLabel->setIndent(QFontMetrics(ui->fallbackFeeWarningLabel->font()).width("x"));
     }
     else
     {