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-rw-r--r--src/gfx.cpp46
-rw-r--r--src/gfx_func.h1
-rw-r--r--src/misc_gui.cpp42
3 files changed, 77 insertions, 12 deletions
diff --git a/src/gfx.cpp b/src/gfx.cpp
index e57327446..3b9b042eb 100644
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -452,6 +452,52 @@ end_of_inner_loop:
}
}
+
+/** Calculates height of string (in pixels). Accepts multiline string with '\0' as separators.
+ * @param src string to check
+ * @param num number of extra lines (output of FormatStringLinebreaks())
+ * @note assumes text won't be truncated. FormatStringLinebreaks() is a good way to ensure that.
+ * @return height of pixels of string when it is drawn
+ */
+static int GetMultilineStringHeight(const char *src, int num)
+{
+ int maxy = 0;
+ int y = 0;
+ int fh = GetCharacterHeight(_cur_fontsize);
+
+ for (;;) {
+ WChar c = Utf8Consume(&src);
+
+ switch (c) {
+ case 0: y += fh; if (--num < 0) return maxy; break;
+ case '\n': y += fh; break;
+ case SCC_SETX: src++; break;
+ case SCC_SETXY: src++; y = (int)*src++; break;
+ case SCC_TINYFONT: fh = GetCharacterHeight(FS_SMALL); break;
+ case SCC_BIGFONT: fh = GetCharacterHeight(FS_LARGE); break;
+ default: maxy = max<int>(maxy, y + fh); break;
+ }
+ }
+}
+
+
+/** Calculates height of string (in pixels). The string is changed to a multiline string if needed.
+ * @param str string to check
+ * @param maxw maximum string width
+ * @return height of pixels of string when it is drawn
+ */
+int GetStringHeight(StringID str, int maxw)
+{
+ char buffer[512];
+
+ GetString(buffer, str, lastof(buffer));
+
+ uint32 tmp = FormatStringLinebreaks(buffer, maxw);
+
+ return GetMultilineStringHeight(buffer, GB(tmp, 0, 16));
+}
+
+
/** Draw a given string with the centre around the given (x,y) coordinates
* @param x Centre the string around this pixel width
* @param y Centre the string around this pixel height
diff --git a/src/gfx_func.h b/src/gfx_func.h
index 371645c5f..51986a71f 100644
--- a/src/gfx_func.h
+++ b/src/gfx_func.h
@@ -105,6 +105,7 @@ void DrawBox(int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3)
Dimension GetStringBoundingBox(const char *str);
uint32 FormatStringLinebreaks(char *str, int maxw);
+int GetStringHeight(StringID str, int maxw);
void LoadStringWidthTable();
void DrawStringMultiCenter(int x, int y, StringID str, int maxw);
uint DrawStringMultiLine(int x, int y, StringID str, int maxw, int maxh = -1);
diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp
index f9d45e265..732efebd8 100644
--- a/src/misc_gui.cpp
+++ b/src/misc_gui.cpp
@@ -378,14 +378,14 @@ void ShowAboutWindow()
static const Widget _errmsg_widgets[] = {
{ WWT_CLOSEBOX, RESIZE_NONE, 4, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW},
{ WWT_CAPTION, RESIZE_NONE, 4, 11, 239, 0, 13, STR_00B2_MESSAGE, STR_NULL},
-{ WWT_PANEL, RESIZE_NONE, 4, 0, 239, 14, 45, 0x0, STR_NULL},
+{ WWT_PANEL, RESIZE_BOTTOM, 4, 0, 239, 14, 45, 0x0, STR_NULL},
{ WIDGETS_END},
};
static const Widget _errmsg_face_widgets[] = {
{ WWT_CLOSEBOX, RESIZE_NONE, 4, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW},
{ WWT_CAPTION, RESIZE_NONE, 4, 11, 333, 0, 13, STR_00B3_MESSAGE_FROM, STR_NULL},
-{ WWT_PANEL, RESIZE_NONE, 4, 0, 333, 14, 136, 0x0, STR_NULL},
+{ WWT_PANEL, RESIZE_BOTTOM, 4, 0, 333, 14, 136, 0x0, STR_NULL},
{ WIDGETS_END},
};
@@ -397,6 +397,8 @@ private:
StringID message_2;
bool show_player_face;
+ int y[2];
+
public:
ErrmsgWindow(Point pt, int width, int height, StringID msg1, StringID msg2, const Widget *widget, bool show_player_face) :
Window(pt.x, pt.y, width, height, WC_ERRMSG, widget),
@@ -407,16 +409,35 @@ public:
this->message_1 = msg1;
this->message_2 = msg2;
this->desc_flags = WDF_STD_BTN | WDF_DEF_WIDGET;
+
+ SwitchToErrorRefStack();
+ RewindTextRefStack();
+
+ assert(msg2 != INVALID_STRING_ID);
+
+ int h2 = 3 + GetStringHeight(msg2, width - 2); // msg2 is printed first
+ int h1 = (msg1 == INVALID_STRING_ID) ? 0 : 3 + GetStringHeight(msg1, width - 2);
+
+ SwitchToNormalRefStack();
+
+ int h = 15 + h1 + h2;
+ height = max<int>(height, h);
+
+ if (msg1 == INVALID_STRING_ID) {
+ // only 1 line will be printed
+ y[1] = (height - 15) / 2 + 15 - 5;
+ } else {
+ int over = (height - h) / 4;
+
+ y[1] = 15 + h2 / 2 + 1 - 5 + over;
+ y[0] = height - 3 - h1 / 2 - 5 - over;
+ }
+
this->FindWindowPlacementAndResize(width, height);
}
virtual void OnPaint()
{
- static int y[][3] = {
- {15, 25, 30}, // _errmsg_widgets
- {45, 65, 90}, // _errmsg_face_widgets
- };
-
CopyInDParam(0, this->decode_params, lengthof(this->decode_params));
this->DrawWidgets();
CopyInDParam(0, this->decode_params, lengthof(this->decode_params));
@@ -432,11 +453,8 @@ public:
DrawPlayerFace(p->face, p->player_color, 2, 16);
}
- byte j = (this->message_1 == INVALID_STRING_ID) ? 1 : 0;
- DrawStringMultiCenter(this->width - 120, y[this->show_player_face][j], this->message_2, this->width - 2);
- if (j == 0) {
- DrawStringMultiCenter(this->width - 120, y[this->show_player_face][2], this->message_1, this->width - 2);
- }
+ DrawStringMultiCenter(this->width - 120, y[1], this->message_2, this->width - 2);
+ if (this->message_1 != INVALID_STRING_ID) DrawStringMultiCenter(this->width - 120, y[0], this->message_1, this->width - 2);
/* Switch back to the normal text ref. stack for NewGRF texts */
SwitchToNormalRefStack();