diff options
Diffstat (limited to 'hover.c')
| -rw-r--r-- | hover.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/hover.c b/hover.c deleted file mode 100644 index 9742e58..0000000 --- a/hover.c +++ /dev/null @@ -1,195 +0,0 @@ -// LSP hover information (textDocument/hover request) - -void hover_close(Ted *ted) { - Hover *hover = &ted->hover; - hover->open = false; - free(hover->text); - hover->text = NULL; -} - -static bool get_hover_position(Ted *ted, LSPDocumentPosition *pos, TextBuffer **pbuffer, LSP **lsp) { - // find the buffer where the mouse is - for (int i = 0; i < TED_MAX_BUFFERS; ++i) { - TextBuffer *buffer = &ted->buffers[i]; - if (!buffer->filename) continue; - LSP *l = buffer_lsp(buffer); - if (!l) continue; - BufferPos mouse_pos = {0}; - if (buffer_pixels_to_pos(buffer, ted->mouse_pos, &mouse_pos)) { - if (pos) *pos = buffer_pos_to_lsp_document_position(buffer, mouse_pos); - if (pbuffer) *pbuffer = buffer; - if (lsp) *lsp = l; - return true; - } - } - return false; -} - -void hover_send_request(Ted *ted) { - Hover *hover = &ted->hover; - LSPRequest request = {.type = LSP_REQUEST_HOVER}; - LSPRequestHover *h = &request.data.hover; - LSP *lsp = NULL; - if (get_hover_position(ted, &h->position, NULL, &lsp)) { - hover->requested_position = h->position; - hover->requested_lsp = lsp->id; - lsp_send_request(lsp, &request); - } -} - -void hover_process_lsp_response(Ted *ted, LSPResponse *response) { - if (!response) return; - if (response->request.type != LSP_REQUEST_HOVER) return; - - Hover *hover = &ted->hover; - LSPResponseHover *hover_response = &response->data.hover; - - TextBuffer *buffer=0; - LSPDocumentPosition pos={0}; - LSP *lsp=0; - get_hover_position(ted, &pos, &buffer, &lsp); - - if (hover->text // we already have hover text - && ( - lsp->id != hover->requested_lsp // this request is from a different LSP - || !lsp_document_position_eq(response->request.data.hover.position, pos) // this request is for a different position - )) { - // this is a stale request. ignore it - return; - } - - free(hover->text); hover->text = NULL; - - if (buffer) { - hover->range_start = buffer_pos_from_lsp(buffer, hover_response->range.start); - hover->range_end = buffer_pos_from_lsp(buffer, hover_response->range.end); - } - const char *contents = lsp_response_string(response, hover_response->contents); - if (*contents) { - hover->text = str_dup(contents); - char *p = hover->text + strlen(hover->text) - 1; - // remove trailing whitespace - // (rust-analyzer gives us trailing newlines for local variables) - for (; p > hover->text && isspace(*p); --p) - *p = '\0'; - } -} - -void hover_frame(Ted *ted, double dt) { - const Settings *settings = ted_active_settings(ted); - if (!settings->hover_enabled) - return; - Hover *hover = &ted->hover; - - bool shift_down = SDL_GetKeyboardState(NULL)[SDL_SCANCODE_LSHIFT] - || SDL_GetKeyboardState(NULL)[SDL_SCANCODE_RSHIFT]; - - if (!shift_down) { - hover_close(ted); - } - - (void)dt; - if (!hover->open) { - if (shift_down) { - hover_send_request(ted); - hover->open = true; - } - return; - } - - TextBuffer *buffer=0; - { - LSPDocumentPosition pos={0}; - LSP *lsp=0; - if (get_hover_position(ted, &pos, &buffer, &lsp)) { - if (lsp->id != hover->requested_lsp - || !lsp_document_position_eq(pos, hover->requested_position)) { - // refresh hover - hover_send_request(ted); - } - } else { - hover_close(ted); - return; - } - } - - - - const float padding = settings->padding; - const float border = settings->border_thickness; - const u32 *colors = settings->colors; - const char *text = hover->text; - Font *font = ted->font; - float x = ted->mouse_pos.x, y = ted->mouse_pos.y + font->char_height; - float char_height = font->char_height; - - BufferPos range_start = hover->range_start, range_end = hover->range_end; - if (!buffer_pos_eq(range_start, range_end)) { - // draw the highlight - if (range_start.line == range_end.line) { - v2 a = buffer_pos_to_pixels(buffer, range_start); - v2 b = buffer_pos_to_pixels(buffer, range_end); - b.y += char_height; - gl_geometry_rect(rect_endpoints(a, b), colors[COLOR_HOVER_HL]); - } else if (range_end.line - range_start.line < 1000) { // prevent gigantic highlights from slowing things down - // multiple lines. - v2 a = buffer_pos_to_pixels(buffer, range_start); - v2 b = buffer_pos_to_pixels(buffer, buffer_pos_end_of_line(buffer, range_start.line)); - b.y += char_height; - gl_geometry_rect(rect_endpoints(a, b), colors[COLOR_HOVER_HL]); - - for (u32 line = range_start.line + 1; line < range_end.line; ++line) { - // these lines are fully contained in the range. - BufferPos start = buffer_pos_start_of_line(buffer, line); - BufferPos end = buffer_pos_end_of_line(buffer, line); - a = buffer_pos_to_pixels(buffer, start); - b = buffer_pos_to_pixels(buffer, end); - b.y += char_height; - gl_geometry_rect(rect_endpoints(a, b), colors[COLOR_HOVER_HL]); - } - - // last line - a = buffer_pos_to_pixels(buffer, buffer_pos_start_of_line(buffer, range_end.line)); - b = buffer_pos_to_pixels(buffer, range_end); - b.y += char_height; - gl_geometry_rect(rect_endpoints(a, b), colors[COLOR_HOVER_HL]); - } - - } - if (hover->text) { - float max_width = 400; - TextRenderState state = text_render_state_default; - state.x = state.min_x = x; - state.y = state.min_y = y; - state.render = false; - state.wrap = true; - state.max_x = x + max_width; - state.max_y = ted->window_height; - text_utf8_with_state(font, &state, text); - float width = (float)(state.x_largest - x); - float height = (float)(state.y_largest - y) + char_height; - if (height > 300) { - height = 300; - } - - if (x + width > ted->window_width) - x -= width; // open left - if (y + height > ted->window_height) - y -= height + char_height * 2; // open up - state.x = state.min_x = x; - state.y = state.min_y = y; - state.max_x = x + max_width; - state.y = y; - state.render = true; - state.max_y = y + height; - - Rect rect = rect_xywh(x - padding, y - padding, width + 2*padding, height + 2*padding); - gl_geometry_rect(rect, colors[COLOR_HOVER_BG]); - gl_geometry_rect_border(rect, border, colors[COLOR_HOVER_BORDER]); - rgba_u32_to_floats(colors[COLOR_HOVER_TEXT], state.color); - text_utf8_with_state(font, &state, text); - } - - gl_geometry_draw(); - text_render(font); -} |