aboutsummaryrefslogtreecommitdiff
path: root/src/mgui
diff options
context:
space:
mode:
authordec05eba <dec05eba@protonmail.com>2021-12-02 16:48:23 +0100
committerdec05eba <dec05eba@protonmail.com>2021-12-02 16:48:23 +0100
commit9644f3c05b808a3cac3892aae36ffca2cce9357d (patch)
tree6f4b575c3e7fc21bea91a9721291aa8f97aa1c9c /src/mgui
parentdf3eb74930491458f97a3328a68bf8526fef3caf (diff)
Resize list widgets to the list width for vertical lists
Diffstat (limited to 'src/mgui')
-rw-r--r--src/mgui/button.c21
-rw-r--r--src/mgui/list.c33
-rw-r--r--src/mgui/widget.c11
3 files changed, 59 insertions, 6 deletions
diff --git a/src/mgui/button.c b/src/mgui/button.c
index c6b65d5..b548140 100644
--- a/src/mgui/button.c
+++ b/src/mgui/button.c
@@ -13,6 +13,7 @@ mgui_button* mgui_button_create() {
button->background.size = (mgl_vec2f){ 0.0f, 0.0f };
button->background.color = (mgl_color){ 45, 45, 45, 255 };
mgl_text_init(&button->label, mgui_get_font(MGUI_FONT_LATIN, 32), "Label", 5);
+ button->background.size = mgl_text_get_bounds(&button->label);
return button;
}
@@ -26,9 +27,22 @@ mgui_button* mgui_widget_to_button(mgui_widget *widget) {
}
void mgui_button_set_position(mgui_button *self, mgl_vec2i position) {
- const mgl_vec2f position_f = (mgl_vec2f){ position.x, position.y };
- self->background.position = position_f;
- mgl_text_set_position(&self->label, position_f);
+ const mgl_vec2f label_bounds = mgl_text_get_bounds(&self->label);
+ self->background.position = (mgl_vec2f){ position.x, position.y };
+ mgl_text_set_position(&self->label, (mgl_vec2f){
+ (int)(self->background.position.x + self->background.size.x * 0.5f - label_bounds.x * 0.5f),
+ (int)(self->background.position.y + self->background.size.y * 0.5f - label_bounds.y * 0.5f)
+ });
+}
+
+static int max_int(int a, int b) {
+ return a >= b ? a : b;
+}
+
+void mgui_button_set_width(mgui_button *self, int width) {
+ mgl_vec2f label_bounds = mgl_text_get_bounds(&self->label);
+ self->background.size.x = max_int(label_bounds.x, width);
+ mgui_button_set_position(self, (mgl_vec2i){ self->background.position.x, self->background.position.y });
}
void mgui_button_on_event(mgui_button *self, mgl_window *window, mgl_event *event) {
@@ -49,7 +63,6 @@ void mgui_button_on_event(mgui_button *self, mgl_window *window, mgl_event *even
mgl_vec2i mgui_button_draw(mgui_button *self, mgl_window *window) {
(void)window;
- self->background.size = mgl_text_get_bounds(&self->label);
mgl_rectangle_draw(mgl_get_context(), &self->background);
mgl_text_draw(mgl_get_context(), &self->label);
return (mgl_vec2i){ self->background.size.x, self->background.size.y };
diff --git a/src/mgui/list.c b/src/mgui/list.c
index 320b448..9923c4f 100644
--- a/src/mgui/list.c
+++ b/src/mgui/list.c
@@ -1,12 +1,14 @@
#include "../../include/mgui/list.h"
#include "../../include/alloc.h"
+#include <mgl/window/window.h>
#include <assert.h>
-mgui_list* mgui_list_create(mgui_list_direction direction) {
+mgui_list* mgui_list_create(mgui_list_direction direction, mgl_vec2i size) {
mgui_list *list = mgui_alloc(sizeof(mgui_list));
mgui_widget_init(&list->widget, MGUI_WIDGET_LIST);
list->direction = direction;
list->position = (mgl_vec2i){ 0, 0 };
+ list->size = size;
list->items = NULL;
list->num_items = 0;
list->items_capacity = 0;
@@ -26,6 +28,22 @@ void mgui_list_set_position(mgui_list *self, mgl_vec2i position) {
self->position = position;
}
+void mgui_list_set_size(mgui_list *self, mgl_vec2i size) {
+ self->size = size;
+ /* TODO: if direction is horizontal then put the widget in the center of its area */
+ /* TODO: put the widget in the center for vertical as well, for items with a max size */
+ /* TODO: support max size for widgets */
+ if(self->direction == MGUI_LIST_VERTICAL) {
+ for(size_t i = 0; i < self->num_items; ++i) {
+ mgui_widget_set_width(self->items[i], size.x);
+ }
+ }
+}
+
+void mgui_list_set_width(mgui_list *self, int width) {
+ mgui_list_set_size(self, (mgl_vec2i){ width, self->size.y });
+}
+
static void mgui_list_ensure_capacity(mgui_list *self, size_t new_capacity) {
if(self->items_capacity >= new_capacity)
return;
@@ -59,9 +77,19 @@ static int max_int(int a, int b) {
}
mgl_vec2i mgui_list_draw(mgui_list *self, mgl_window *window) {
- mgl_vec2i position = self->position;
+ mgl_vec2i position = (mgl_vec2i){ 0, 0 };
+ /* TODO: */
mgl_vec2i size = (mgl_vec2i){ 0, 0 };
+ mgl_view prev_view;
+ mgl_window_get_view(window, &prev_view);
+
+ mgl_view new_view = {
+ .position = { self->position.x, self->position.y },
+ .size = self->size
+ };
+ mgl_window_set_view(window, &new_view);
+
switch(self->direction) {
case MGUI_LIST_HORIZONITAL: {
for(size_t i = 0; i < self->num_items; ++i) {
@@ -85,5 +113,6 @@ mgl_vec2i mgui_list_draw(mgui_list *self, mgl_window *window) {
}
}
+ mgl_window_set_view(window, &prev_view); /* TODO: Remove */
return size;
}
diff --git a/src/mgui/widget.c b/src/mgui/widget.c
index f35ff05..195d253 100644
--- a/src/mgui/widget.c
+++ b/src/mgui/widget.c
@@ -25,6 +25,17 @@ void mgui_widget_set_position(mgui_widget *self, mgl_vec2i position) {
}
}
+void mgui_widget_set_width(mgui_widget *self, int width) {
+ switch(self->type) {
+ case MGUI_WIDGET_LIST:
+ mgui_list_set_width(mgui_widget_to_list(self), width);
+ break;
+ case MGUI_WIDGET_BUTTON:
+ mgui_button_set_width(mgui_widget_to_button(self), width);
+ break;
+ }
+}
+
void mgui_widget_on_event(mgui_widget *self, mgl_window *window, mgl_event *event) {
switch(self->type) {
case MGUI_WIDGET_LIST: