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SHERLOCK: RT: Split tooltip text rendering into setText
This commit is contained in:
Paul Gilbert
parent
77f256011a
commit
e92dca058e
@ -28,9 +28,95 @@ namespace Sherlock {
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namespace Tattoo {
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#define MAX_TOOLTIP_WIDTH 150
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WidgetTooltip::WidgetTooltip(SherlockEngine *vm) : WidgetBase(vm) {
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}
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void WidgetTooltip::setText(const Common::String &str) {
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Events &events = *_vm->_events;
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Common::Point mousePos = events.mousePos();
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bool reset = false;
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// Make sure that the description is present
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if (!str.empty()) {
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int width = _surface.stringWidth(str) + 2;
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int height = _surface.stringHeight(str) + 2;
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Common::String line1 = str, line2 = "";
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// See if we need to split it into two lines
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if (width > MAX_TOOLTIP_WIDTH) {
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// Go forward word by word to find out where to split the line
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const char *s = str.c_str();
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const char *space = nullptr;
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int dif = 10000;
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for (;;) {
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// Find end of next word
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s = strchr(s + 1, ' ');
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if (s == nullptr) {
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// Reached end of string
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if (space != nullptr) {
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line1 = Common::String(str.c_str(), space);
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line2 = Common::String(space + 1);
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height = _surface.stringHeight(line1) + _surface.stringHeight(line2) + 4;
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}
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break;
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}
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// Found space separating words, so see what width the string up to now is
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Common::String tempLine1 = Common::String(str.c_str(), s);
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Common::String tempLine2 = Common::String(s + 1);
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int width1 = _surface.stringWidth(tempLine1);
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int width2 = _surface.stringWidth(tempLine2);
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// See if we've found a split point that results in a less overall width
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if (ABS(width1 - width2) < dif) {
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// Found a better split point
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dif = ABS(width1 - width2);
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space = s;
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line1 = tempLine1;
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line2 = tempLine2;
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}
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}
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} else {
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// No line split needed
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height = _surface.stringHeight(str) + 2;
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}
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// Reallocate the text surface with the new size
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_surface.create(width, height);
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_surface.fill(TRANSPARENCY);
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if (line2.empty()) {
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// Only a single line
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_surface.writeFancyString(str, Common::Point(0, 0), BLACK, INFO_TOP);
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} else {
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// Two lines to display
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int xp, yp;
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xp = (width - _surface.stringWidth(line1) - 2) / 2;
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_surface.writeFancyString(line1, Common::Point(xp, 0), BLACK, INFO_TOP);
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xp = (width - _surface.stringWidth(line2) - 2) / 2;
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yp = _surface.stringHeight(line1) + 2;
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_surface.writeFancyString(line2, Common::Point(xp, yp), BLACK, INFO_TOP);
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}
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// Set the initial display position for the tooltip text
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int tagX = CLIP(mousePos.x - width / 2, 0, SHERLOCK_SCREEN_WIDTH - width);
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int tagY = MAX(mousePos.y - height, 0);
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_bounds = Common::Rect(tagX, tagY, tagX + width, tagY + height);
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} else {
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reset = true;
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}
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if (reset && !_surface.empty()) {
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_surface.free();
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}
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}
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void WidgetTooltip::execute() {
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Events &events = *_vm->_events;
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People &people = *_vm->_people;
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@ -38,7 +124,6 @@ void WidgetTooltip::execute() {
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Screen &screen = *_vm->_screen;
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TattooUserInterface &ui = *(TattooUserInterface *)_vm->_ui;
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Common::Point mousePos = events.mousePos();
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bool reset = false;
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// See if thay are pointing at a different object and we need to regenerate the tooltip text
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if (ui._bgFound != ui._oldBgFound || (ui._bgFound != -1 && _surface.empty()) ||
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@ -63,85 +148,9 @@ void WidgetTooltip::execute() {
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str = scene._exits[ui._arrowZone]._dest;
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}
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// Make sure that the description is present
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if (!str.empty() && !str.hasPrefix(" ")) {
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int width = screen.stringWidth(str) + 2;
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int height = screen.stringHeight(str) + 2;
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Common::String line1 = str, line2 = "";
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// See if we need to split it into two lines
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if (width > 150) {
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// Go forward word by word to find out where to split the line
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const char *s = str.c_str();
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const char *space = nullptr;
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int dif = 10000;
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for (;;) {
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// Find end of next word
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s = strchr(s + 1, ' ');
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if (s == nullptr) {
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// Reached end of string
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if (space != nullptr) {
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line1 = Common::String(str.c_str(), space);
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line2 = Common::String(space + 1);
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height = screen.stringHeight(line1) + screen.stringHeight(line2) + 4;
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}
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break;
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}
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// Found space separating words, so see what width the string up to now is
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Common::String tempLine1 = Common::String(str.c_str(), s);
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Common::String tempLine2 = Common::String(s + 1);
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int width1 = screen.stringWidth(tempLine1);
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int width2 = screen.stringWidth(tempLine2);
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// See if we've found a split point that results in a less overall width
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if (ABS(width1 - width2) < dif) {
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// Found a better split point
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dif = ABS(width1 - width2);
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space = s;
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line1 = tempLine1;
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line2 = tempLine2;
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}
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}
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} else {
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// No line split needed
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height = screen.stringHeight(str) + 2;
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}
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// Reallocate the text surface with the new size
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_surface.create(width, height);
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_surface.fill(TRANSPARENCY);
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if (line2.empty()) {
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// Only a single line
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_surface.writeFancyString(str, Common::Point(0, 0), BLACK, INFO_TOP);
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} else {
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// Two lines to display
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int xp, yp;
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xp = (width - screen.stringWidth(line1) - 2) / 2;
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_surface.writeFancyString(line1, Common::Point(xp, 0), BLACK, INFO_TOP);
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xp = (width - screen.stringWidth(line2) - 2) / 2;
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yp = screen.stringHeight(line1) + 2;
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_surface.writeFancyString(line2, Common::Point(xp, yp), BLACK, INFO_TOP);
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}
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// Set the initial display position for the tooltip text
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int tagX = CLIP(mousePos.x - width / 2, 0, SHERLOCK_SCREEN_WIDTH - width);
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int tagY = MAX(mousePos.y - height, 0);
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_bounds = Common::Rect(tagX, tagY, tagX + width, tagY + height);
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} else {
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reset = true;
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}
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setText(str.hasPrefix(" ") ? Common::String() : str);
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} else if ((ui._bgFound == -1 && ui._oldBgFound != -1) || (ui._arrowZone == -1 && ui._oldArrowZone != -1)) {
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reset = true;
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}
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if (reset && !_surface.empty()) {
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_surface.free();
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setText("");
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}
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ui._oldBgFound = ui._bgFound;
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@ -38,6 +38,11 @@ public:
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WidgetTooltip(SherlockEngine *vm);
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virtual ~WidgetTooltip() {}
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/**
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* Set the text for the tooltip
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*/
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void setText(const Common::String &str);
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/**
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* Handle updating the tooltip state
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*/
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