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allow for a timed message dialog w/o buttons (still need to add support for multiple buttons with customm labels)

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svn-id: r6038
This commit is contained in:
Max Horn 2002-12-21 11:57:24 +00:00
parent 50f7ffbeb6
commit 81dce87a5c
2 changed files with 33 additions and 14 deletions
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37
gui/message.cpp
View File

@ -23,13 +23,14 @@
#include "newgui.h"
MessageDialog::MessageDialog(NewGui *gui, const String &message)
MessageDialog::MessageDialog(NewGui *gui, const String &message, uint32 timer, bool showButton)
: Dialog(gui, 30, 20, 260, 124)
{
// First, determine the size the dialog needs. For this we have to break
// down the string into lines, and taking the maximum of their widths.
// Using this, and accounting for the space the button(s) need, we can set
// the real size of the dialog
StringList lines;
const char *str = message.c_str();
const char *start = str;
int lineWidth, maxlineWidth = 0;
@ -37,7 +38,7 @@ MessageDialog::MessageDialog(NewGui *gui, const String &message)
while (*str) {
if (*str == '\n') {
lineWidth = addLine(start, str - start);
lineWidth = addLine(lines, start, str - start);
if (maxlineWidth < lineWidth)
maxlineWidth = lineWidth;
start = str + 1;
@ -46,14 +47,17 @@ MessageDialog::MessageDialog(NewGui *gui, const String &message)
}
// Add the last line
lineWidth = addLine(start, str - start);
lineWidth = addLine(lines, start, str - start);
if (maxlineWidth < lineWidth)
maxlineWidth = lineWidth;
// Calculate the desired dialog size (maxing out at 300*180 for now)
_w = maxlineWidth + 20;
lineCount = _lines.size();
_h = lineCount * kLineHeight + 40;
lineCount = lines.size();
_h = lineCount * kLineHeight + 16;
if (showButton)
_h += 24;
if (_h > 180) {
lineCount = (180 - 34) / kLineHeight;
_h = lineCount * kLineHeight + 34;
@ -63,15 +67,28 @@ MessageDialog::MessageDialog(NewGui *gui, const String &message)
for (int i = 0; i < lineCount; i++) {
new StaticTextWidget(this, 10, 10+i*kLineHeight, maxlineWidth, kLineHeight,
_lines[i], kTextAlignCenter);
lines[i], kTextAlignCenter);
}
// FIXME - allow for multiple buttons, and return in runModal() which one
// was selected.
addButton((_w - kButtonWidth)/2, _h - 24, "OK", kCloseCmd, '\n'); // Confirm dialog
if (showButton)
addButton((_w - kButtonWidth)/2, _h - 24, "OK", kCloseCmd, '\n'); // Confirm dialog
if (timer)
_timer = _gui->get_time() + timer;
else
_timer = 0;
}
int MessageDialog::addLine(const char *line, int size)
void MessageDialog::handleTickle()
{
Dialog::handleTickle();
if (_timer && _gui->get_time() > _timer)
close();
}
int MessageDialog::addLine(StringList &lines, const char *line, int size)
{
int width = 0, maxWidth = 0;
const char *start = line, *pos = line, *end = start + size;
@ -92,7 +109,7 @@ int MessageDialog::addLine(const char *line, int size)
// Add the substring from intervall [start, i-1]
tmp = String(start, pos - start);
_lines.push_back(tmp);
lines.push_back(tmp);
// Determine the width of the string, and adjust maxWidth accordingly
width = _gui->getStringWidth(tmp);
@ -112,7 +129,7 @@ int MessageDialog::addLine(const char *line, int size)
if (start < pos) {
tmp = String(start, pos - start);
_lines.push_back(tmp);
lines.push_back(tmp);
}
return maxWidth;
}

10
gui/message.h
View File

@ -29,12 +29,14 @@ class MessageDialog : public Dialog {
typedef ScummVM::String String;
typedef ScummVM::StringList StringList;
public:
MessageDialog(NewGui *gui, const String &message);
MessageDialog(NewGui *gui, const String &message, uint32 timer = 0, bool showButton = true);
void handleTickle();
protected:
StringList _lines;
int addLine(const char *line, int size);
uint32 _timer;
int addLine(StringList &lines, const char *line, int size);
};
#endif