fix(dictionary): comprehensive dictionary fixes for stability and UX
This commit completes a series of fixes addressing dictionary crashes,
memory issues, and UI/UX improvements.
Memory & Stability (from previous checkpoints):
- Add uncompressed dictionary (.dict) support to avoid decompression
memory issues with large dictzip chunks (58KB -> direct read)
- Implement chunked on-demand HTML parsing for large definitions,
parsing pages as user navigates rather than all at once
- Refactor TextBlock/ParsedText from std::list to std::vector,
reducing heap allocations by ~12x per TextBlock and eliminating
crashes from repeated page navigation due to heap fragmentation
- Limit cached pages to MAX_CACHED_PAGES (4) with re-parse capability
for backward navigation beyond the cache window
UI/Layout Fixes (this commit):
- Restore DictionaryMargins.h for proper orientation-aware button
hint space (front buttons: 45px, side buttons: 50px)
- Add side button hints to definition screen with proper "<" / ">"
labels for page navigation
- Add side button hints to word selection screen ("UP"/"DOWN" labels,
borderless, small font, 2px edge margin)
- Add side button hints to dictionary menu ("< Prev", "Next >")
- Fix double-button press bug when loading new chunks by checking
forward navigation availability after parsing instead of page count
- Add drawSideButtonHints() drawBorder parameter for minimal hints
- Add drawTextRotated90CCW() for LandscapeCCW text orientation
- Move page indicator up to avoid bezel cutoff
This commit is contained in:
cottongin
parent
6ceba56620
commit
a4adbb9dfe
@ -650,7 +650,8 @@ void GfxRenderer::drawButtonHints(const int fontId, const char* btn1, const char
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setOrientation(orig_orientation);
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}
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void GfxRenderer::drawSideButtonHints(const int fontId, const char* topBtn, const char* bottomBtn) {
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void GfxRenderer::drawSideButtonHints(const int fontId, const char* topBtn, const char* bottomBtn,
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const bool drawBorder) {
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const Orientation orig_orientation = getOrientation();
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setOrientation(Orientation::Portrait);
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@ -671,6 +672,7 @@ void GfxRenderer::drawSideButtonHints(const int fontId, const char* topBtn, cons
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// Draw the shared border for both buttons as one unit
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const int x = screenWidth - buttonX - buttonWidth;
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if (drawBorder) {
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// Draw top button outline (3 sides, bottom open)
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if (topBtn != nullptr && topBtn[0] != '\0') {
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drawLine(x, topButtonY, x + buttonWidth - 1, topButtonY); // Top
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@ -690,8 +692,12 @@ void GfxRenderer::drawSideButtonHints(const int fontId, const char* topBtn, cons
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topButtonY + 2 * buttonHeight - 1); // Right
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drawLine(x, topButtonY + 2 * buttonHeight - 1, x + buttonWidth - 1, topButtonY + 2 * buttonHeight - 1); // Bottom
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}
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}
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// Draw text for each button
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// Use CCW rotation for LandscapeCCW so text reads in same direction as screen content
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const bool useCCW = (orig_orientation == Orientation::LandscapeCounterClockwise);
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for (int i = 0; i < 2; i++) {
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if (labels[i] != nullptr && labels[i][0] != '\0') {
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const int y = topButtonY + i * buttonHeight;
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@ -700,13 +706,24 @@ void GfxRenderer::drawSideButtonHints(const int fontId, const char* topBtn, cons
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const int textWidth = getTextWidth(fontId, labels[i]);
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const int textHeight = getTextHeight(fontId);
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int textX, textY;
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if (drawBorder) {
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// Center the rotated text in the button
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const int textX = x + (buttonWidth - textHeight) / 2;
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const int textY = y + (buttonHeight + textWidth) / 2;
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textX = x + (buttonWidth - textHeight) / 2;
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textY = useCCW ? y + (buttonHeight - textWidth) / 2 : y + (buttonHeight + textWidth) / 2;
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} else {
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// Position at edge with 2px margin (no border mode)
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textX = screenWidth - bezelRight - textHeight - 2;
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textY = useCCW ? y + (buttonHeight - textWidth) / 2 : y + (buttonHeight + textWidth) / 2;
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}
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if (useCCW) {
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drawTextRotated90CCW(fontId, textX, textY, labels[i]);
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} else {
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drawTextRotated90CW(fontId, textX, textY, labels[i]);
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}
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}
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}
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setOrientation(orig_orientation);
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}
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@ -802,6 +819,89 @@ void GfxRenderer::drawTextRotated90CW(const int fontId, const int x, const int y
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}
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}
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void GfxRenderer::drawTextRotated90CCW(const int fontId, const int x, const int y, const char* text, const bool black,
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const EpdFontFamily::Style style) const {
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// Cannot draw a NULL / empty string
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if (text == nullptr || *text == '\0') {
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return;
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}
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if (fontMap.count(fontId) == 0) {
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Serial.printf("[%lu] [GFX] Font %d not found\n", millis(), fontId);
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return;
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}
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const auto font = fontMap.at(fontId);
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// No printable characters
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if (!font.hasPrintableChars(text, style)) {
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return;
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}
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// For 90° counter-clockwise rotation:
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// Original (glyphX, glyphY) -> Rotated (-glyphY, glyphX)
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// Text reads from top to bottom
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int yPos = y; // Current Y position (increases as we draw characters)
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uint32_t cp;
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while ((cp = utf8NextCodepoint(reinterpret_cast<const uint8_t**>(&text)))) {
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const EpdGlyph* glyph = font.getGlyph(cp, style);
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if (!glyph) {
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glyph = font.getGlyph(REPLACEMENT_GLYPH, style);
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}
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if (!glyph) {
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continue;
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}
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const int is2Bit = font.getData(style)->is2Bit;
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const uint32_t offset = glyph->dataOffset;
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const uint8_t width = glyph->width;
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const uint8_t height = glyph->height;
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const int left = glyph->left;
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const int top = glyph->top;
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const uint8_t* bitmap = &font.getData(style)->bitmap[offset];
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if (bitmap != nullptr) {
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for (int glyphY = 0; glyphY < height; glyphY++) {
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for (int glyphX = 0; glyphX < width; glyphX++) {
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const int pixelPosition = glyphY * width + glyphX;
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// 90° counter-clockwise rotation transformation:
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// screenX = x + (top - glyphY)
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// screenY = yPos + (left + glyphX)
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const int screenX = x + (top - glyphY);
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const int screenY = yPos + left + glyphX;
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if (is2Bit) {
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const uint8_t byte = bitmap[pixelPosition / 4];
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const uint8_t bit_index = (3 - pixelPosition % 4) * 2;
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const uint8_t bmpVal = 3 - (byte >> bit_index) & 0x3;
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if (renderMode == BW && bmpVal < 3) {
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drawPixel(screenX, screenY, black);
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} else if (renderMode == GRAYSCALE_MSB && (bmpVal == 1 || bmpVal == 2)) {
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drawPixel(screenX, screenY, false);
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} else if (renderMode == GRAYSCALE_LSB && bmpVal == 1) {
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drawPixel(screenX, screenY, false);
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}
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} else {
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const uint8_t byte = bitmap[pixelPosition / 8];
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const uint8_t bit_index = 7 - (pixelPosition % 8);
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if ((byte >> bit_index) & 1) {
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drawPixel(screenX, screenY, black);
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}
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}
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}
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}
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}
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// Move to next character position (going down, so increase Y)
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yPos += glyph->advanceX;
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}
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}
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uint8_t* GfxRenderer::getFrameBuffer() const { return einkDisplay.getFrameBuffer(); }
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size_t GfxRenderer::getBufferSize() { return EInkDisplay::BUFFER_SIZE; }
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@ -116,12 +116,15 @@ class GfxRenderer {
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// UI Components
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void drawButtonHints(int fontId, const char* btn1, const char* btn2, const char* btn3, const char* btn4);
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void drawSideButtonHints(int fontId, const char* topBtn, const char* bottomBtn);
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void drawSideButtonHints(int fontId, const char* topBtn, const char* bottomBtn, bool drawBorder = true);
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private:
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// Helper for drawing rotated text (90 degrees clockwise, for side buttons)
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void drawTextRotated90CW(int fontId, int x, int y, const char* text, bool black = true,
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EpdFontFamily::Style style = EpdFontFamily::REGULAR) const;
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// Helper for drawing rotated text (90 degrees counter-clockwise, for LandscapeCCW orientation)
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void drawTextRotated90CCW(int fontId, int x, int y, const char* text, bool black = true,
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EpdFontFamily::Style style = EpdFontFamily::REGULAR) const;
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int getTextHeight(int fontId) const;
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public:
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@ -107,7 +107,7 @@ void DictionaryMenuActivity::displayTaskLoop() {
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void DictionaryMenuActivity::render() const {
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renderer.clearScreen();
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// Get margins using same pattern as reader + button hint space
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// Get margins with button hint space for all orientations
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int marginTop, marginRight, marginBottom, marginLeft;
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getDictionaryContentMargins(renderer, &marginTop, &marginRight, &marginBottom, &marginLeft);
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@ -119,11 +119,11 @@ void DictionaryMenuActivity::render() const {
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const int contentWidth = pageWidth - marginLeft - marginRight;
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const int contentHeight = pageHeight - marginTop - marginBottom;
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// Draw header with top margin
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renderer.drawCenteredText(UI_12_FONT_ID, marginTop + 15, "Dictionary", true, EpdFontFamily::BOLD);
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// Draw header
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renderer.drawCenteredText(UI_12_FONT_ID, marginTop + 5, "Dictionary", true, EpdFontFamily::BOLD);
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// Draw subtitle
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renderer.drawCenteredText(UI_10_FONT_ID, marginTop + 50, "Look up a word");
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renderer.drawCenteredText(UI_10_FONT_ID, marginTop + 30, "Look up a word");
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// Draw menu items centered in content area
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constexpr int itemHeight = 50; // Height for each menu item (including description)
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@ -144,9 +144,13 @@ void DictionaryMenuActivity::render() const {
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renderer.drawText(SMALL_FONT_ID, marginLeft + 20, itemY + 22, MENU_DESCRIPTIONS[i], /*black=*/!isSelected);
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}
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// Draw help text at bottom
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const auto labels = mappedInput.mapLabels("\xc2\xab Back", "Select", "", "");
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// Draw front button hints (Prev/Next for list navigation)
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const auto labels = mappedInput.mapLabels("\xc2\xab Back", "Select", "< Prev", "Next >");
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renderer.drawButtonHints(UI_10_FONT_ID, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
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// Draw side button hints for up/down navigation (standard style with borders, always shown since list wraps)
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// Top button = up (prev), Bottom button = down (next)
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renderer.drawSideButtonHints(UI_10_FONT_ID, "<", ">");
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renderer.displayBuffer();
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}
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@ -97,11 +97,11 @@ void DictionaryResultActivity::loop() {
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} else if (hasMoreContent) {
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// At end of cached pages but more content available - parse next chunk
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Serial.printf("[DICT-DBG] Parsing next chunk on navigation (page %d)\n", currentPage);
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const size_t pagesBefore = pages.size();
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parseNextChunk();
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// If new pages were added, navigate to the next one
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if (pages.size() > pagesBefore) {
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// After parsing (and possible page trimming), check if we can advance
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// Note: Don't compare page counts - trimming may keep size the same while adding new content
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if (currentPage < static_cast<int>(pages.size()) - 1) {
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currentPage++;
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updateRequired = true;
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}
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@ -122,7 +122,7 @@ void DictionaryResultActivity::paginateDefinition() {
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return;
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}
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// Get margins using same pattern as reader + button hint space
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// Get margins with button hint space for all orientations
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int marginTop, marginRight, marginBottom, marginLeft;
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getDictionaryContentMargins(renderer, &marginTop, &marginRight, &marginBottom, &marginLeft);
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@ -130,8 +130,8 @@ void DictionaryResultActivity::paginateDefinition() {
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const auto pageHeight = renderer.getScreenHeight();
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// Calculate available area for text (must match render() layout)
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constexpr int headerHeight = 80; // Space for word and header (relative to marginTop)
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constexpr int footerHeight = 30; // Space for page indicator
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constexpr int headerHeight = 55; // Space for "Dictionary" + lookup word
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constexpr int footerHeight = 20; // Space for page indicator
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const int textMargin = marginLeft + 10;
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const int textWidth = pageWidth - textMargin - marginRight - 10;
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const int textHeight = pageHeight - marginTop - marginBottom - headerHeight - footerHeight;
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@ -272,7 +272,7 @@ void DictionaryResultActivity::parseNextChunk() {
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Serial.printf("[DICT-DBG] parseNextChunk starting at position %u of %u\n",
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parsePosition, rawDefinition.length());
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// Get margins for calculating page dimensions
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// Get margins with button hint space for all orientations
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int marginTop, marginRight, marginBottom, marginLeft;
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getDictionaryContentMargins(renderer, &marginTop, &marginRight, &marginBottom, &marginLeft);
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@ -280,8 +280,8 @@ void DictionaryResultActivity::parseNextChunk() {
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const auto pageHeight = renderer.getScreenHeight();
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// Calculate text area dimensions (must match paginateDefinition and render)
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constexpr int headerHeight = 80;
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constexpr int footerHeight = 30;
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constexpr int headerHeight = 55; // Space for "Dictionary" + lookup word
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constexpr int footerHeight = 20; // Space for page indicator
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const int textMargin = marginLeft + 10;
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const int textWidth = pageWidth - textMargin - marginRight - 10;
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const int textHeight = pageHeight - marginTop - marginBottom - headerHeight - footerHeight;
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@ -409,17 +409,15 @@ void DictionaryResultActivity::displayTaskLoop() {
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void DictionaryResultActivity::render() const {
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renderer.clearScreen();
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// Get margins using same pattern as reader + button hint space
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// Get margins with button hint space for all orientations
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int marginTop, marginRight, marginBottom, marginLeft;
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getDictionaryContentMargins(renderer, &marginTop, &marginRight, &marginBottom, &marginLeft);
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const auto pageHeight = renderer.getScreenHeight();
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// Draw header with top margin
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renderer.drawCenteredText(UI_12_FONT_ID, marginTop + 15, "Dictionary", true, EpdFontFamily::BOLD);
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// Draw word being looked up (bold)
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renderer.drawCenteredText(UI_12_FONT_ID, marginTop + 50, lookupWord.c_str(), true, EpdFontFamily::BOLD);
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// Draw header - "Dictionary" title and lookup word
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renderer.drawCenteredText(UI_12_FONT_ID, marginTop + 5, "Dictionary", true, EpdFontFamily::BOLD);
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renderer.drawCenteredText(UI_12_FONT_ID, marginTop + 30, lookupWord.c_str(), true, EpdFontFamily::BOLD);
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if (notFound) {
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// Show not found message (centered in content area)
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@ -427,10 +425,12 @@ void DictionaryResultActivity::render() const {
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renderer.drawCenteredText(UI_10_FONT_ID, centerY, "Word not found");
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} else if (!pages.empty()) {
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// Draw definition text using TextBlocks with rich formatting
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const int textStartY = marginTop + 80;
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constexpr int headerHeight = 55; // Space for "Dictionary" + lookup word
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constexpr int footerHeight = 20; // Space for page indicator
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const int textStartY = marginTop + headerHeight;
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const int textMargin = marginLeft + 10;
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const int lineHeight = renderer.getLineHeight(UI_10_FONT_ID);
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const int bottomLimit = pageHeight - marginBottom - 25; // Leave space for page indicator
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const int bottomLimit = pageHeight - marginBottom - footerHeight;
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const auto& pageBlocks = pages[currentPage];
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int y = textStartY;
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@ -449,12 +449,11 @@ void DictionaryResultActivity::render() const {
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const int displayPageNum = firstPageNumber + currentPage;
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const int lastKnownPage = firstPageNumber + static_cast<int>(pages.size()) - 1;
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if (hasMoreContent) {
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// More content to load - show "Page X of Y+" to indicate more pages coming
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snprintf(pageIndicator, sizeof(pageIndicator), "Page %d of %d+", displayPageNum, lastKnownPage);
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} else {
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snprintf(pageIndicator, sizeof(pageIndicator), "Page %d of %d", displayPageNum, lastKnownPage);
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}
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renderer.drawCenteredText(SMALL_FONT_ID, pageHeight - marginBottom - 5, pageIndicator);
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renderer.drawCenteredText(SMALL_FONT_ID, pageHeight - marginBottom - 15, pageIndicator);
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}
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}
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@ -468,5 +467,11 @@ void DictionaryResultActivity::render() const {
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const auto labels = mappedInput.mapLabels("\xc2\xab Back", "Search", leftHint, rightHint);
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renderer.drawButtonHints(UI_10_FONT_ID, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
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// Draw side button hints for page navigation (rotated 90° CW: ">" appears as "^", "<" as "v")
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// Top physical button = PageBack (prev), Bottom physical button = PageForward (next)
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const char* sideTopHint = canGoBack ? "<" : "";
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const char* sideBottomHint = canGoForward ? ">" : "";
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renderer.drawSideButtonHints(UI_10_FONT_ID, sideTopHint, sideBottomHint);
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renderer.displayBuffer();
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}
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@ -235,14 +235,14 @@ void DictionarySearchActivity::displayTaskLoop() {
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void DictionarySearchActivity::render() const {
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renderer.clearScreen();
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// Get margins using same pattern as reader + button hint space
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// Get margins with button hint space for all orientations
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int marginTop, marginRight, marginBottom, marginLeft;
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getDictionaryContentMargins(renderer, &marginTop, &marginRight, &marginBottom, &marginLeft);
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const auto pageHeight = renderer.getScreenHeight();
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// Draw header with top margin
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renderer.drawCenteredText(UI_12_FONT_ID, marginTop + 15, "Dictionary", true, EpdFontFamily::BOLD);
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// Draw header
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renderer.drawCenteredText(UI_12_FONT_ID, marginTop + 5, "Dictionary", true, EpdFontFamily::BOLD);
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if (isSearching) {
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// Show searching status with word and animated ellipsis
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@ -223,10 +223,13 @@ void EpubWordSelectionActivity::displayTaskLoop() {
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void EpubWordSelectionActivity::render() const {
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renderer.clearScreen();
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// Get margins using same pattern as reader + button hint space
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// Get margins with button hint space for all orientations
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int marginTop, marginRight, marginBottom, marginLeft;
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getDictionaryContentMargins(renderer, &marginTop, &marginRight, &marginBottom, &marginLeft);
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const auto screenWidth = renderer.getScreenWidth();
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const auto screenHeight = renderer.getScreenHeight();
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// Draw the page content (uses pre-calculated offsets from reader)
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// The page already has proper offsets, so render as-is
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if (page) {
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@ -246,14 +249,20 @@ void EpubWordSelectionActivity::render() const {
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renderer.drawText(fontId, selected.x, selected.y, selected.text.c_str(), false, selected.style);
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}
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// Draw instruction text - position it just above the front button area
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const auto screenHeight = renderer.getScreenHeight();
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// Draw instruction text - always show, positioned just above the front button area
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renderer.drawCenteredText(SMALL_FONT_ID, screenHeight - marginBottom - 10,
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"Navigate with arrows, select with confirm");
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// Draw button hints
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const auto labels = mappedInput.mapLabels("\xc2\xab Cancel", "Select", "< >", "");
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// Draw button hints with proper left/right navigation labels
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const auto labels = mappedInput.mapLabels("\xc2\xab Cancel", "Select", "< Prev", "Next >");
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renderer.drawButtonHints(UI_10_FONT_ID, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
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// Draw side button hints for up/down line navigation (no border, small font)
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// Top physical button = Up (prev line), Bottom physical button = Down (next line)
|
||||
const int lastLine = findLineForWordIndex(static_cast<int>(allWords.size()) - 1);
|
||||
const char* sideTopHint = (currentLineIndex > 0) ? "UP" : "";
|
||||
const char* sideBottomHint = (currentLineIndex < lastLine) ? "DOWN" : "";
|
||||
renderer.drawSideButtonHints(SMALL_FONT_ID, sideTopHint, sideBottomHint, false); // No border
|
||||
|
||||
renderer.displayBuffer(EInkDisplay::FAST_REFRESH);
|
||||
}
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
#include "KeyboardEntryActivity.h"
|
||||
|
||||
#include "MappedInputManager.h"
|
||||
#include "activities/dictionary/DictionaryMargins.h"
|
||||
#include "MappedInputManager.h"
|
||||
#include "fontIds.h"
|
||||
|
||||
// Keyboard layouts - lowercase
|
||||
@ -249,7 +249,7 @@ void KeyboardEntryActivity::loop() {
|
||||
}
|
||||
|
||||
void KeyboardEntryActivity::render() const {
|
||||
// Get margins using same pattern as reader + button hint space
|
||||
// Get margins with button hint space for all orientations
|
||||
int marginTop, marginRight, marginBottom, marginLeft;
|
||||
getDictionaryContentMargins(renderer, &marginTop, &marginRight, &marginBottom, &marginLeft);
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user