156 lines
4.8 KiB
C++
156 lines
4.8 KiB
C++
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "hud.hxx"
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#ifdef USE_HUD_TextList
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#define textString(x, y, text, digit) TextString(text, x , y ,digit)
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#else
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#define textString(x, y, text, digit) puDrawString(guiFnt, text, x, y)
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#endif
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FLTFNPTR get_func(const char *name); // FIXME
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instr_label::instr_label(const SGPropertyNode *node) :
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instr_item(
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node->getIntValue("x"),
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node->getIntValue("y"),
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node->getIntValue("width"),
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node->getIntValue("height"),
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NULL /* node->getStringValue("data_source") */, // FIXME
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node->getFloatValue("scale_data"),
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node->getIntValue("options"),
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node->getBoolValue("working", true),
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node->getIntValue("digits")),
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pformat(node->getStringValue("label_format")),
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pre_str(node->getStringValue("pre_label_string")),
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post_str(node->getStringValue("post_label_string")),
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fontSize(fgGetInt("/sim/startup/xsize") > 1000 ? HUD_FONT_LARGE : HUD_FONT_SMALL), // FIXME
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blink(node->getIntValue("blinking")),
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lat(node->getBoolValue("latitude", false)),
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lon(node->getBoolValue("longitude", false)),
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lbox(node->getBoolValue("label_box", false)),
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lon_node(fgGetNode("/position/longitude-string", true)),
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lat_node(fgGetNode("/position/latitude-string", true))
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{
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SG_LOG(SG_INPUT, SG_INFO, "Done reading instr_label instrument "
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<< node->getStringValue("name", "[unnamed]"));
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set_data_source(get_func(node->getStringValue("data_source")));
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int just = node->getIntValue("justification");
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if (just == 0)
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justify = LEFT_JUST;
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else if (just == 1)
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justify = CENTER_JUST;
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else if (just == 2)
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justify = RIGHT_JUST;
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if (!strcmp(pre_str, "NULL"))
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pre_str = NULL;
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else if (!strcmp(pre_str, "blank"))
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pre_str = " ";
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const char *units = strcmp(fgGetString("/sim/startup/units"), "feet") ? " m" : " ft"; // FIXME
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if (!strcmp(post_str, "blank"))
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post_str = " ";
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else if (!strcmp(post_str, "NULL"))
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post_str = NULL;
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else if (!strcmp(post_str, "units"))
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post_str = units;
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if (pre_str != NULL) {
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if (post_str != NULL)
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sprintf(format_buffer, "%s%s%s", pre_str, pformat, post_str);
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else
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sprintf(format_buffer, "%s%s", pre_str, pformat);
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} else if (post_str != NULL) {
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sprintf(format_buffer, "%s%s", pformat, post_str);
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} else {
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strcpy(format_buffer, pformat); // FIXME
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}
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}
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void instr_label::draw(void)
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{
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char label_buffer[80];
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int posincr;
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int lenstr;
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RECT scrn_rect = get_location();
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if (data_available()) {
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if (lat)
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snprintf(label_buffer, 80, format_buffer, lat_node->getStringValue());
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else if (lon)
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snprintf(label_buffer, 80, format_buffer, lon_node->getStringValue());
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else {
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if (lbox) {// Box for label
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float x = scrn_rect.left;
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float y = scrn_rect.top;
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float w = scrn_rect.right;
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float h = HUD_TextSize;
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glPushMatrix();
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glLoadIdentity();
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glBegin(GL_LINES);
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glVertex2f(x - 2.0, y - 2.0);
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glVertex2f(x + w + 2.0, y - 2.0);
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glVertex2f(x + w + 2.0, y + h + 2.0);
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glVertex2f(x - 2.0, y + h + 2.0);
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glEnd();
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glEnable(GL_LINE_STIPPLE);
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glLineStipple(1, 0xAAAA);
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glBegin(GL_LINES);
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glVertex2f(x + w + 2.0, y - 2.0);
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glVertex2f(x + w + 2.0, y + h + 2.0);
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glVertex2f(x - 2.0, y + h + 2.0);
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glVertex2f(x - 2.0, y - 2.0);
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glEnd();
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glDisable(GL_LINE_STIPPLE);
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glPopMatrix();
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}
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sprintf(label_buffer, format_buffer, get_value() * data_scaling());
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}
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} else {
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sprintf(label_buffer, format_buffer);
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}
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lenstr = getStringWidth(label_buffer);
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#ifdef DEBUGHUD
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fgPrintf( SG_COCKPIT, SG_DEBUG, format_buffer);
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fgPrintf( SG_COCKPIT, SG_DEBUG, "\n");
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fgPrintf( SG_COCKPIT, SG_DEBUG, label_buffer);
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fgPrintf( SG_COCKPIT, SG_DEBUG, "\n");
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#endif
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lenstr = strlen(label_buffer);
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if (justify == RIGHT_JUST)
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posincr = scrn_rect.right - lenstr;
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else if (justify == CENTER_JUST)
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posincr = get_span() - (lenstr / 2); // -lenstr*4;
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else // justify == LEFT_JUST
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posincr = 0;
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if (fontSize == HUD_FONT_SMALL) {
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textString(scrn_rect.left + posincr, scrn_rect.top,
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label_buffer, get_digits());
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} else if (fontSize == HUD_FONT_LARGE) {
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textString(scrn_rect.left + posincr, scrn_rect.top,
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label_buffer, get_digits());
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}
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}
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