notgne2/tuxpaint-pencil-sharpener
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Adding scroll to the erasers, mainly copying/adapting code from draw_brushes().

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Also adapt the mouse cursor code.
This commit is contained in:
Pere Pujal i Carabantes 2021-01-24 16:31:37 +01:00
parent 74d5311b5a
commit 046baeb85b
1 changed files with 67 additions and 22 deletions
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89
src/tuxpaint.c
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@ -1828,7 +1828,7 @@ static char template_id[FILENAME_MAX];
static int brush_scroll;
static int stamp_scroll[MAX_STAMP_GROUPS];
static int font_scroll, magic_scroll, tool_scroll;
static int eraser_scroll, shape_scroll; /* dummy variables for now */
static int eraser_scroll, shape_scroll;
static int eraser_sound;
@ -5225,28 +5225,28 @@ static void mainloop(void)
{
}
max = 14;
int control_rows = 0;
if (cur_tool == TOOL_STAMP && !disable_stamp_controls)
max = 8; /* was 10 before left/right group buttons -bjk 2007.05.03 */
control_rows = 3;
if (cur_tool == TOOL_LABEL)
{
max = 12;
control_rows = 1;
if (!disable_stamp_controls)
max = 8;
control_rows = 3;
}
if (cur_tool == TOOL_TEXT && !disable_stamp_controls)
max = 10;
control_rows = 2;
if (cur_tool == TOOL_MAGIC && !disable_magic_controls)
max = 12;
control_rows = 1;
if (cur_tool == TOOL_SHAPES && !disable_shape_controls)
max = 12;
control_rows = 1;
int num_places = buttons_tall * gd_toolopt.cols - control_rows * gd_toolopt.cols;
if (num_things > max + TOOLOFFSET)
if (num_things > num_places)
{
/* Are there scroll buttons? */
num_places = num_places - gd_toolopt.cols; /* Two scroll buttons occupy one row */
if (event.button.y < r_ttoolopt.h + img_scroll_up->h)
{
/* Up button; is it available? */
@ -5257,12 +5257,12 @@ static void mainloop(void)
do_setcursor(cursor_arrow);
}
else if (event.button.y >
(button_h * ((max - 2) / 2 + TOOLOFFSET / 2)) + r_ttoolopt.h + img_scroll_up->h
&& event.button.y <= (button_h * ((max - 2) / 2 + TOOLOFFSET / 2)) + r_ttoolopt.h + img_scroll_up->h + img_scroll_up->h)
(button_h * (num_places / gd_toolopt.cols) + r_ttoolopt.h + img_scroll_up->h)
&& event.button.y <= (button_h * (num_places / gd_toolopt.cols) + r_ttoolopt.h + img_scroll_up->h + img_scroll_up->h))
{
/* Down button; is it available? */
if (*thing_scroll < num_things - (max - 2))
if (*thing_scroll < num_things - num_places)
do_setcursor(cursor_down);
else
do_setcursor(cursor_arrow);
@ -9375,21 +9375,66 @@ static void draw_shapes(void)
/* Draw the eraser selector: */
static void draw_erasers(void)
{
int i, x, y, sz;
int i, j, x, y, sz;
int xx, yy, n;
void (*putpixel) (SDL_Surface *, int, int, Uint32);
SDL_Rect dest;
int most, off_y, max;
putpixel = putpixels[screen->format->BytesPerPixel];
draw_image_title(TITLE_ERASERS, r_ttoolopt);
for (i = 0; i < 14 + TOOLOFFSET; i++)
{
dest.x = ((i % 2) * button_w) + WINDOW_WIDTH - r_ttoolopt.w;
dest.y = ((i / 2) * button_h) + r_ttoolopt.h;
/* Space for buttons, was 14 */
most = (buttons_tall * gd_toolopt.cols) - TOOLOFFSET;
/* Do we need scrollbars? */
if (NUM_ERASERS > most + TOOLOFFSET)
{
most = most - gd_toolopt.cols; /* was 12 */
off_y = img_scroll_up->h;
max = most + TOOLOFFSET;
dest.x = WINDOW_WIDTH - r_ttoolopt.w;
dest.y = r_ttoolopt.h;
if (eraser_scroll > 0)
{
SDL_BlitSurface(img_scroll_up, NULL, screen, &dest);
}
else
{
SDL_BlitSurface(img_scroll_up_off, NULL, screen, &dest);
}
dest.x = WINDOW_WIDTH - r_ttoolopt.w;
dest.y = r_ttoolopt.h + img_scroll_up->h + ((most / gd_toolopt.cols + TOOLOFFSET / gd_toolopt.cols) * button_h);
if (eraser_scroll < NUM_ERASERS - most - TOOLOFFSET)
{
SDL_BlitSurface(img_scroll_down, NULL, screen, &dest);
}
else
{
SDL_BlitSurface(img_scroll_down_off, NULL, screen, &dest);
}
}
else
{
off_y = 0;
max = most + TOOLOFFSET;
}
for (j = 0; j < most + TOOLOFFSET; j++)
{
i = j;
dest.x = ((i % 2) * button_w) + WINDOW_WIDTH - r_ttoolopt.w;
dest.y = ((i / 2) * button_h) + r_ttoolopt.h + off_y;
i = j + eraser_scroll;
if (i == cur_eraser)
{
SDL_BlitSurface(img_btn_down, NULL, screen, &dest);
@ -9403,7 +9448,6 @@ static void draw_erasers(void)
SDL_BlitSurface(img_btn_off, NULL, screen, &dest);
}
if (i < NUM_ERASERS)
{
if (i < NUM_ERASERS / 2)
@ -9413,7 +9457,7 @@ static void draw_erasers(void)
sz = (2 + (((NUM_ERASERS / 2) - 1 - i) * (38 / ((NUM_ERASERS / 2) - 1)))) * button_scale;
x = ((i % 2) * button_w) + WINDOW_WIDTH - r_ttoolopt.w + 24 * button_scale - sz / 2;
y = ((i / 2) * button_h) + r_ttoolopt.h + 24 * button_scale - sz / 2;
y = ((j / 2) * button_h) + r_ttoolopt.h + 24 * button_scale - sz / 2 + off_y;
dest.x = x;
dest.y = y;
@ -9450,7 +9494,7 @@ static void draw_erasers(void)
sz = (2 + (((NUM_ERASERS / 2) - 1 - (i - NUM_ERASERS / 2)) * (38 / ((NUM_ERASERS / 2) - 1)))) * button_scale;
x = ((i % 2) * button_w) + WINDOW_WIDTH - r_ttoolopt.w + 24 * button_scale- sz / 2;
y = ((i / 2) * button_h) + 40 * button_scale + 24 * button_scale - sz / 2;
y = ((j / 2) * button_h) + 40 * button_scale + 24 * button_scale - sz / 2 + off_y;
for (yy = 0; yy <= sz; yy++)
{
@ -24946,6 +24990,7 @@ static void claim_to_be_ready(void)
font_scroll = 0;
magic_scroll = 0;
tool_scroll = 0;
eraser_scroll = 0;
reset_avail_tools();