222 lines
7.1 KiB
C
222 lines
7.1 KiB
C
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#include "nuklear.h"
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#include "nuklear_internal.h"
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/* ==============================================================
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*
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* CONTEXTUAL
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*
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* ===============================================================*/
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NK_API nk_bool
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nk_contextual_begin(struct nk_context *ctx, nk_flags flags, struct nk_vec2 size,
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struct nk_rect trigger_bounds)
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{
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struct nk_window *win;
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struct nk_window *popup;
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struct nk_rect body;
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NK_STORAGE const struct nk_rect null_rect = {-1,-1,0,0};
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int is_clicked = 0;
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int is_open = 0;
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int ret = 0;
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NK_ASSERT(ctx);
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NK_ASSERT(ctx->current);
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NK_ASSERT(ctx->current->layout);
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if (!ctx || !ctx->current || !ctx->current->layout)
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return 0;
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win = ctx->current;
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++win->popup.con_count;
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if (ctx->current != ctx->active)
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return 0;
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/* check if currently active contextual is active */
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popup = win->popup.win;
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is_open = (popup && win->popup.type == NK_PANEL_CONTEXTUAL);
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is_clicked = nk_input_mouse_clicked(&ctx->input, NK_BUTTON_RIGHT, trigger_bounds);
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if (win->popup.active_con && win->popup.con_count != win->popup.active_con)
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return 0;
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if (!is_open && win->popup.active_con)
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win->popup.active_con = 0;
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if ((!is_open && !is_clicked))
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return 0;
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/* calculate contextual position on click */
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win->popup.active_con = win->popup.con_count;
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if (is_clicked) {
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body.x = ctx->input.mouse.pos.x;
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body.y = ctx->input.mouse.pos.y;
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} else {
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body.x = popup->bounds.x;
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body.y = popup->bounds.y;
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}
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body.w = size.x;
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body.h = size.y;
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/* start nonblocking contextual popup */
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ret = nk_nonblock_begin(ctx, flags|NK_WINDOW_NO_SCROLLBAR, body,
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null_rect, NK_PANEL_CONTEXTUAL);
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if (ret) win->popup.type = NK_PANEL_CONTEXTUAL;
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else {
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win->popup.active_con = 0;
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win->popup.type = NK_PANEL_NONE;
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if (win->popup.win)
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win->popup.win->flags = 0;
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}
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return ret;
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}
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NK_API nk_bool
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nk_contextual_item_text(struct nk_context *ctx, const char *text, int len,
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nk_flags alignment)
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{
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struct nk_window *win;
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const struct nk_input *in;
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const struct nk_style *style;
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struct nk_rect bounds;
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enum nk_widget_layout_states state;
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NK_ASSERT(ctx);
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NK_ASSERT(ctx->current);
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NK_ASSERT(ctx->current->layout);
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if (!ctx || !ctx->current || !ctx->current->layout)
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return 0;
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win = ctx->current;
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style = &ctx->style;
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state = nk_widget_fitting(&bounds, ctx, style->contextual_button.padding);
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if (!state) return nk_false;
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in = (state == NK_WIDGET_ROM || win->layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input;
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if (nk_do_button_text(&ctx->last_widget_state, &win->buffer, bounds,
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text, len, alignment, NK_BUTTON_DEFAULT, &style->contextual_button, in, style->font)) {
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nk_contextual_close(ctx);
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return nk_true;
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}
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return nk_false;
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}
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NK_API nk_bool
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nk_contextual_item_label(struct nk_context *ctx, const char *label, nk_flags align)
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{
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return nk_contextual_item_text(ctx, label, nk_strlen(label), align);
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}
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NK_API nk_bool
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nk_contextual_item_image_text(struct nk_context *ctx, struct nk_image img,
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const char *text, int len, nk_flags align)
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{
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struct nk_window *win;
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const struct nk_input *in;
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const struct nk_style *style;
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struct nk_rect bounds;
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enum nk_widget_layout_states state;
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NK_ASSERT(ctx);
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NK_ASSERT(ctx->current);
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NK_ASSERT(ctx->current->layout);
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if (!ctx || !ctx->current || !ctx->current->layout)
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return 0;
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win = ctx->current;
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style = &ctx->style;
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state = nk_widget_fitting(&bounds, ctx, style->contextual_button.padding);
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if (!state) return nk_false;
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in = (state == NK_WIDGET_ROM || win->layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input;
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if (nk_do_button_text_image(&ctx->last_widget_state, &win->buffer, bounds,
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img, text, len, align, NK_BUTTON_DEFAULT, &style->contextual_button, style->font, in)){
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nk_contextual_close(ctx);
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return nk_true;
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}
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return nk_false;
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}
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NK_API nk_bool
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nk_contextual_item_image_label(struct nk_context *ctx, struct nk_image img,
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const char *label, nk_flags align)
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{
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return nk_contextual_item_image_text(ctx, img, label, nk_strlen(label), align);
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}
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NK_API nk_bool
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nk_contextual_item_symbol_text(struct nk_context *ctx, enum nk_symbol_type symbol,
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const char *text, int len, nk_flags align)
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{
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struct nk_window *win;
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const struct nk_input *in;
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const struct nk_style *style;
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struct nk_rect bounds;
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enum nk_widget_layout_states state;
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NK_ASSERT(ctx);
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NK_ASSERT(ctx->current);
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NK_ASSERT(ctx->current->layout);
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if (!ctx || !ctx->current || !ctx->current->layout)
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return 0;
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win = ctx->current;
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style = &ctx->style;
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state = nk_widget_fitting(&bounds, ctx, style->contextual_button.padding);
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if (!state) return nk_false;
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in = (state == NK_WIDGET_ROM || win->layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input;
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if (nk_do_button_text_symbol(&ctx->last_widget_state, &win->buffer, bounds,
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symbol, text, len, align, NK_BUTTON_DEFAULT, &style->contextual_button, style->font, in)) {
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nk_contextual_close(ctx);
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return nk_true;
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}
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return nk_false;
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}
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NK_API nk_bool
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nk_contextual_item_symbol_label(struct nk_context *ctx, enum nk_symbol_type symbol,
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const char *text, nk_flags align)
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{
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return nk_contextual_item_symbol_text(ctx, symbol, text, nk_strlen(text), align);
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}
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NK_API void
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nk_contextual_close(struct nk_context *ctx)
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{
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NK_ASSERT(ctx);
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NK_ASSERT(ctx->current);
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NK_ASSERT(ctx->current->layout);
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if (!ctx || !ctx->current || !ctx->current->layout) return;
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nk_popup_close(ctx);
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}
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NK_API void
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nk_contextual_end(struct nk_context *ctx)
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{
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struct nk_window *popup;
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struct nk_panel *panel;
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NK_ASSERT(ctx);
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NK_ASSERT(ctx->current);
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if (!ctx || !ctx->current) return;
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popup = ctx->current;
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panel = popup->layout;
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NK_ASSERT(popup->parent);
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NK_ASSERT(panel->type & NK_PANEL_SET_POPUP);
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if (panel->flags & NK_WINDOW_DYNAMIC) {
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/* Close behavior
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This is a bit of a hack solution since we do not know before we end our popup
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how big it will be. We therefore do not directly know when a
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click outside the non-blocking popup must close it at that direct frame.
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Instead it will be closed in the next frame.*/
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struct nk_rect body = {0,0,0,0};
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if (panel->at_y < (panel->bounds.y + panel->bounds.h)) {
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struct nk_vec2 padding = nk_panel_get_padding(&ctx->style, panel->type);
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body = panel->bounds;
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body.y = (panel->at_y + panel->footer_height + panel->border + padding.y + panel->row.height);
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body.h = (panel->bounds.y + panel->bounds.h) - body.y;
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}
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{int pressed = nk_input_is_mouse_pressed(&ctx->input, NK_BUTTON_LEFT);
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int in_body = nk_input_is_mouse_hovering_rect(&ctx->input, body);
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if (pressed && in_body)
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popup->flags |= NK_WINDOW_HIDDEN;
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}
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}
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if (popup->flags & NK_WINDOW_HIDDEN)
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popup->seq = 0;
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nk_popup_end(ctx);
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return;
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}
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