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authorleseb <leseb>2002-03-29 22:02:09 (UTC)
committer leseb <leseb>2002-03-29 22:02:09 (UTC)
commitbe017d10da4ccd54b2b3ce030d2ccdc3d0825d62 (patch) (unidiff)
treed41ddf0ce779d358a9a9bd78c4c32c8de36fce50
parent1c3f2b3a329eac52d2a735d818cd70101376999f (diff)
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Add image preview in import dialog
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/graphics/drawpad/drawpad.h2
-rw-r--r--noncore/graphics/drawpad/importdialog.cpp70
-rw-r--r--noncore/graphics/drawpad/importdialog.h9
3 files changed, 80 insertions, 1 deletions
diff --git a/noncore/graphics/drawpad/drawpad.h b/noncore/graphics/drawpad/drawpad.h
index fbe67b8..62a73c9 100644
--- a/noncore/graphics/drawpad/drawpad.h
+++ b/noncore/graphics/drawpad/drawpad.h
@@ -18,8 +18,8 @@
18 18
19#include <qpen.h> 19#include <qpen.h>
20 20
21class Tool;
22class DrawPadCanvas; 21class DrawPadCanvas;
22class Tool;
23 23
24class QAction; 24class QAction;
25class QColor; 25class QColor;
diff --git a/noncore/graphics/drawpad/importdialog.cpp b/noncore/graphics/drawpad/importdialog.cpp
index 7722417..dc78bf3 100644
--- a/noncore/graphics/drawpad/importdialog.cpp
+++ b/noncore/graphics/drawpad/importdialog.cpp
@@ -16,7 +16,11 @@
16#include <qpe/applnk.h> 16#include <qpe/applnk.h>
17#include <qpe/fileselector.h> 17#include <qpe/fileselector.h>
18 18
19#include <qcheckbox.h>
20#include <qimage.h>
21#include <qlabel.h>
19#include <qlayout.h> 22#include <qlayout.h>
23#include <qpushbutton.h>
20 24
21ImportDialog::ImportDialog(QWidget* parent, const char* name) 25ImportDialog::ImportDialog(QWidget* parent, const char* name)
22 : QDialog(parent, name, true) 26 : QDialog(parent, name, true)
@@ -24,11 +28,37 @@ ImportDialog::ImportDialog(QWidget* parent, const char* name)
24 setCaption(tr("Import")); 28 setCaption(tr("Import"));
25 29
26 m_pFileSelector = new FileSelector("image/*", this, "fileselector"); 30 m_pFileSelector = new FileSelector("image/*", this, "fileselector");
31 connect(m_pFileSelector, SIGNAL(fileSelected(const DocLnk&)), this, SLOT(fileChanged()));
27 m_pFileSelector->setNewVisible(false); 32 m_pFileSelector->setNewVisible(false);
28 m_pFileSelector->setCloseVisible(false); 33 m_pFileSelector->setCloseVisible(false);
29 34
35 m_pPreviewLabel = new QLabel(this);
36 m_pPreviewLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);
37 m_pPreviewLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
38 m_pPreviewLabel->setFixedSize(114, 114);
39 m_pPreviewLabel->setBackgroundMode(QWidget:: PaletteMid);
40
41 m_pAutomaticPreviewCheckBox = new QCheckBox(tr("Automatic preview"), this);
42 m_pAutomaticPreviewCheckBox->setChecked(true);
43
44 QPushButton* previewPushButton = new QPushButton(tr("Preview"), this);
45 connect(previewPushButton, SIGNAL(clicked()), this, SLOT(preview()));
46
30 QVBoxLayout* mainLayout = new QVBoxLayout(this, 4, 4); 47 QVBoxLayout* mainLayout = new QVBoxLayout(this, 4, 4);
48 QHBoxLayout* previewLayout = new QHBoxLayout(4);
49 QVBoxLayout* previewSecondLayout = new QVBoxLayout(4);
50
51 previewSecondLayout->addWidget(m_pAutomaticPreviewCheckBox);
52 previewSecondLayout->addWidget(previewPushButton);
53 previewSecondLayout->addStretch();
54
55 previewLayout->addWidget(m_pPreviewLabel);
56 previewLayout->addLayout(previewSecondLayout);
57
31 mainLayout->addWidget(m_pFileSelector); 58 mainLayout->addWidget(m_pFileSelector);
59 mainLayout->addLayout(previewLayout);
60
61 preview();
32} 62}
33 63
34ImportDialog::~ImportDialog() 64ImportDialog::~ImportDialog()
@@ -39,3 +69,43 @@ const DocLnk* ImportDialog::selected()
39{ 69{
40 return m_pFileSelector->selected(); 70 return m_pFileSelector->selected();
41} 71}
72
73void ImportDialog::fileChanged()
74{
75 if (m_pAutomaticPreviewCheckBox->isChecked()) {
76 preview();
77 }
78}
79
80void ImportDialog::preview()
81{
82 const DocLnk* docLnk = m_pFileSelector->selected();
83
84 if (docLnk) {
85 QImage image(docLnk->file());
86
87 int previewWidth = m_pPreviewLabel->contentsRect().width();
88 int previewHeight = m_pPreviewLabel->contentsRect().height();
89
90 float widthScale = 1.0;
91 float heightScale = 1.0;
92
93 if (previewWidth < image.width()) {
94 widthScale = (float)previewWidth / float(image.width());
95 }
96
97 if (previewHeight < image.height()) {
98 heightScale = (float)previewHeight / float(image.height());
99 }
100
101 float scale = (widthScale < heightScale ? widthScale : heightScale);
102 QImage previewImage = image.smoothScale((int)(image.width() * scale) , (int)(image.height() * scale));
103
104 QPixmap previewPixmap;
105 previewPixmap.convertFromImage(previewImage);
106
107 m_pPreviewLabel->setPixmap(previewPixmap);
108
109 delete docLnk;
110 }
111}
diff --git a/noncore/graphics/drawpad/importdialog.h b/noncore/graphics/drawpad/importdialog.h
index 1c67145..ef51d7c 100644
--- a/noncore/graphics/drawpad/importdialog.h
+++ b/noncore/graphics/drawpad/importdialog.h
@@ -19,6 +19,9 @@
19class DocLnk; 19class DocLnk;
20class FileSelector; 20class FileSelector;
21 21
22class QCheckBox;
23class QLabel;
24
22class ImportDialog : public QDialog 25class ImportDialog : public QDialog
23{ 26{
24 Q_OBJECT 27 Q_OBJECT
@@ -29,8 +32,14 @@ public:
29 32
30 const DocLnk* selected(); 33 const DocLnk* selected();
31 34
35private slots:
36 void fileChanged();
37 void preview();
38
32private: 39private:
33 FileSelector* m_pFileSelector; 40 FileSelector* m_pFileSelector;
41 QLabel* m_pPreviewLabel;
42 QCheckBox* m_pAutomaticPreviewCheckBox;
34}; 43};
35 44
36#endif // IMPORTDIALOG_H 45#endif // IMPORTDIALOG_H